/* roulang page: index */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a58ca;
            --primary-light: #e8f0fe;
            --secondary: #14b8a6;
            --secondary-light: #e6fffa;
            --accent: #f59e0b;
            --accent-light: #fff7e6;
            --danger: #ef4444;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1a1a2e;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.14);
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        .button:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.4);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Magazine Masthead ========== */
        .masthead {
            background: #ffffff;
            border-bottom: 3px solid var(--text);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .masthead-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px 20px;
        }

        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .masthead-brand .brand-line {
            width: 2px;
            height: 38px;
            background: var(--primary);
            border-radius: 2px;
        }

        .masthead-brand .brand-name {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            line-height: 1.2;
        }

        .masthead-brand .brand-name span {
            color: var(--primary);
        }

        .masthead-brand .brand-sub {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .masthead-nav a {
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .masthead-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .masthead-nav a.active {
            color: #fff;
            background: var(--primary);
        }

        .masthead-nav a small {
            display: none;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 6px;
            cursor: pointer;
        }

        .masthead-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 10px 4px 14px;
            gap: 8px;
        }

        .masthead-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 4px 0;
            width: 120px;
            outline: none;
            color: var(--text);
        }

        .masthead-search i {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ========== Hero Section ========== */
        .hero-section {
            background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
            position: relative;
            padding: 60px 0 70px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            margin: 0 0 16px;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(13, 110, 253, 0.2);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 640px;
            margin: 0 0 28px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 28px;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 110, 253, 0.35);
        }

        .btn-outline {
            background: #fff;
            color: var(--text);
            border: 2px solid var(--border);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: #d97706;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35);
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-comparison {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
        }

        .hero-comp-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-comp-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .hero-comp-card {
            padding: 18px 14px;
            border-radius: var(--radius-sm);
            text-align: center;
            border: 2px solid var(--border-light);
            transition: all var(--transition);
            background: #fafbfc;
        }

        .hero-comp-card.recommended {
            border-color: var(--primary);
            background: var(--primary-light);
            position: relative;
            box-shadow: 0 4px 16px rgba(13, 110, 253, 0.2);
            transform: translateY(-4px);
        }

        .hero-comp-card .rec-badge {
            position: absolute;
            top: -10px;
            right: 50%;
            transform: translateX(50%);
            background: var(--primary);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 10px;
            white-space: nowrap;
        }

        .hero-comp-card .comp-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .hero-comp-card .comp-price {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .hero-comp-card .comp-feature {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== Section Common ========== */
        .section {
            padding: 50px 0;
        }

        .section-header {
            margin-bottom: 30px;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 12px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 10px;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin: 0;
        }

        .section-header-center {
            text-align: center;
        }

        .section-header-center .section-desc {
            margin: 0 auto;
        }

        /* ========== Data Metrics Dashboard ========== */
        .metrics-section {
            background: var(--bg-dark);
            padding: 50px 0;
            position: relative;
            overflow: hidden;
        }

        .metrics-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(13, 110, 253, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
            z-index: 2;
        }

        .metric-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition);
        }

        .metric-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-4px);
        }

        .metric-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .metric-value {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        .metric-live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulse-dot 1.5s ease-in-out infinite;
            margin-right: 4px;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        /* ========== Comparison Table ========== */
        .comparison-section {
            background: #fff;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 720px;
            background: #fff;
        }

        .comparison-table th {
            padding: 16px 18px;
            text-align: left;
            font-weight: 700;
            color: var(--text);
            background: #f8fafc;
            border-bottom: 2px solid var(--border);
            font-size: 14px;
        }

        .comparison-table th.highlight-col {
            background: var(--primary-light);
            color: var(--primary);
        }

        .comparison-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            vertical-align: middle;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .check-yes {
            color: #22c55e;
            font-size: 16px;
        }

        .comparison-table .check-no {
            color: #ef4444;
            font-size: 16px;
        }

        .comparison-table .plan-name {
            font-weight: 700;
            color: var(--text);
            font-size: 15px;
        }

        .comparison-table .plan-price {
            font-weight: 800;
            color: var(--primary);
            font-size: 20px;
        }

        /* ========== Staircase / Pricing ========== */
        .pricing-section {
            background: linear-gradient(180deg, #f8fafc 0%, #eef4fb 100%);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: start;
        }

        .pricing-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 2px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            box-shadow: var(--shadow-sm);
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .pricing-card.recommended {
            border-color: var(--primary);
            box-shadow: 0 8px 32px rgba(13, 110, 253, 0.18);
            background: #fff;
        }

        .pricing-card .rec-ribbon {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 12px;
        }

        .pricing-card .plan-tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .pricing-card .plan-title {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
        }

        .pricing-card .plan-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .pricing-card .plan-period {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .pricing-card .plan-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .pricing-card .plan-features li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-card .plan-features li i {
            color: #22c55e;
            font-size: 13px;
            flex-shrink: 0;
        }

        .pricing-card .btn {
            width: 100%;
            justify-content: center;
        }

        .pricing-note {
            text-align: center;
            margin-top: 18px;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ========== Vertical Cards / Social Feed Style ========== */
        .vertical-section {
            background: #fff;
        }

        .vertical-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .vertical-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
        }

        .vertical-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .vertical-card .cover-wrap {
            position: relative;
            aspect-ratio: 3/4;
            overflow: hidden;
            background: #f1f5f9;
        }

        .vertical-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .vertical-card:hover .cover-wrap img {
            transform: scale(1.05);
        }

        .vertical-card .cover-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 10px;
            backdrop-filter: blur(4px);
        }

        .vertical-card .card-body {
            padding: 14px;
        }

        .vertical-card .card-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .vertical-card .card-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .vertical-card .card-cta {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== Getting Started ========== */
        .started-section {
            background: #f8fafc;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 26px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            counter-increment: step;
            transition: all var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 800;
            font-size: 16px;
            margin-bottom: 14px;
        }

        .step-card .step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .step-card .step-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== News Section ========== */
        .news-section {
            background: #fff;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 18px;
            background: #f8fafc;
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--primary);
            transition: all var(--transition);
        }

        .news-item:hover {
            background: #f0f6ff;
            box-shadow: var(--shadow-sm);
        }

        .news-item .news-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 70px;
            font-weight: 600;
            padding-top: 2px;
        }

        .news-item .news-content {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-item .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 6px;
        }

        .news-item .news-link {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-sidebar {
            background: #f8fafc;
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-light);
        }

        .news-sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
        }

        .news-sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-sidebar-item {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px dotted var(--border);
            cursor: pointer;
            transition: color var(--transition);
        }

        .news-sidebar-item:last-child {
            border-bottom: none;
        }

        .news-sidebar-item:hover {
            color: var(--primary);
        }

        .news-sidebar-item .hot-badge {
            display: inline-block;
            font-size: 10px;
            background: var(--accent-light);
            color: var(--accent);
            padding: 1px 6px;
            border-radius: 8px;
            margin-left: 4px;
            font-weight: 700;
        }

        /* ========== Brand Introduction ========== */
        .brand-section {
            background: linear-gradient(135deg, #0f172a 0%, #1a2b45 100%);
            padding: 50px 0;
            position: relative;
            overflow: hidden;
        }

        .brand-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.3) 0%, transparent 70%);
            border-radius: 50%;
        }

        .brand-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .brand-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .brand-text .brand-tag {
            color: #14b8a6;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: block;
        }

        .brand-text h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 14px;
            line-height: 1.3;
        }

        .brand-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
            line-height: 1.8;
            margin: 0 0 12px;
        }

        .brand-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .brand-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        /* ========== Deep Content Zone ========== */
        .deep-content-section {
            background: #f8fafc;
        }

        .deep-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .deep-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .deep-card:hover {
            box-shadow: var(--shadow-md);
        }

        .deep-card .deep-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
            display: block;
        }

        .deep-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .deep-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 10px;
        }

        .deep-card .deep-list {
            list-style: none;
            padding: 0;
            margin: 10px 0 0;
        }

        .deep-card .deep-list li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .deep-card .deep-list li i {
            color: var(--primary);
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* ========== Service Matrix ========== */
        .services-section {
            background: #fff;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
        }

        .service-tile {
            background: #f8fafc;
            border-radius: var(--radius-sm);
            padding: 18px 14px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .service-tile:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }

        .service-tile i {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 8px;
            display: block;
        }

        .service-tile .tile-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.3;
        }

        /* ========== Results Comparison ========== */
        .results-section {
            background: linear-gradient(180deg, #f0f6ff 0%, #f8fafc 100%);
        }

        .results-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .result-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .result-panel.us-panel {
            border-color: var(--primary);
            box-shadow: 0 8px 32px rgba(13, 110, 253, 0.12);
        }

        .result-panel .panel-head {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
        }

        .result-panel .panel-head i {
            font-size: 20px;
            color: var(--primary);
        }

        .result-panel .panel-head.us-head i {
            color: var(--primary);
        }

        .result-panel .panel-head .panel-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
        }

        .result-panel .panel-head .panel-badge {
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 10px;
            background: #fee2e2;
            color: #dc2626;
        }

        .result-panel .panel-head .panel-badge.best {
            background: #d1fae5;
            color: #059669;
        }

        .result-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .result-panel ul li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 7px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }

        .result-panel ul li i {
            flex-shrink: 0;
            font-size: 12px;
            margin-top: 4px;
        }

        .result-panel ul li i.fa-check {
            color: #22c55e;
        }

        .result-panel ul li i.fa-times {
            color: #ef4444;
        }

        /* ========== Testimonials ========== */
        .testimonials-section {
            background: #fff;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .testimonial-card {
            background: #f8fafc;
            border-radius: var(--radius-md);
            padding: 22px 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-icon {
            font-size: 22px;
            color: var(--primary-light);
            margin-bottom: 8px;
            display: block;
        }

        .testimonial-card .quote-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .testimonial-card .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .user-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .testimonial-card .user-name {
            font-size: 13px;
            font-weight: 700;
            color: var(--text);
        }

        .testimonial-card .user-role {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* ========== Partners ========== */
        .partners-section {
            background: #f8fafc;
            padding: 40px 0;
        }

        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            align-items: center;
        }

        .partner-item {
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 16px 12px;
            text-align: center;
            border: 1px solid var(--border-light);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .partner-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
            padding: 50px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 350px;
            height: 350px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            margin: 0 auto 24px;
            max-width: 560px;
            line-height: 1.7;
        }

        .cta-inner .btn {
            background: #fff;
            color: var(--primary);
            font-size: 16px;
            padding: 14px 34px;
        }

        .cta-inner .btn:hover {
            background: #f0f6ff;
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .cta-inner .cta-note {
            color: rgba(255, 255, 255, 0.7);
            font-size: 12px;
            margin-top: 14px;
        }

        /* ========== FAQ Section ========== */
        .faq-section {
            background: #f8fafc;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-item .faq-question {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition);
        }

        .faq-item .faq-question:hover {
            color: var(--primary);
        }

        .faq-item .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 20px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 24px;
        }

        .footer-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-brand .brand-name span {
            color: var(--primary);
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-bottom .footer-links {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 32px;
            }
            .hero-comp-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .vertical-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .brand-inner {
                grid-template-columns: 1fr;
            }
            .deep-grid {
                grid-template-columns: 1fr;
            }
            .services-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .results-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .masthead-inner {
                flex-direction: column;
                align-items: stretch;
            }
            .masthead-brand {
                justify-content: center;
            }
            .masthead-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 16px;
                border-radius: 6px;
                font-size: 14px;
            }
            .nav-toggle {
                display: block;
                position: absolute;
                right: 16px;
                top: 16px;
            }
            .masthead-actions {
                justify-content: center;
                flex-wrap: wrap;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-comp-grid {
                grid-template-columns: 1fr;
            }
            .hero-comp-card.recommended {
                transform: none;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .vertical-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
            }
            .news-item .news-date {
                min-width: auto;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .stat-num {
                font-size: 22px;
            }
            .hero-comp-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-value {
                font-size: 24px;
            }
            .vertical-grid {
                grid-template-columns: 1fr;
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cta-inner h2 {
                font-size: 22px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 13px;
            }
            .comparison-table {
                font-size: 12px;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a58ca;
            --primary-light: #e8f0fe;
            --secondary: #14b8a6;
            --secondary-light: #e6fffa;
            --accent: #f59e0b;
            --accent-light: #fff7e6;
            --danger: #ef4444;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1a1a2e;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.14);
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        .button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        .button:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.4);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Magazine Masthead ========== */
        .masthead {
            background: #ffffff;
            border-bottom: 3px solid var(--text);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .masthead-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: nowrap;
        }
        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .masthead-brand .brand-line {
            width: 2px;
            height: 38px;
            background: var(--primary);
            border-radius: 2px;
        }
        .masthead-brand .brand-name {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            line-height: 1.2;
        }
        .masthead-brand .brand-name span {
            color: var(--primary);
        }
        .masthead-brand .brand-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }
        .masthead-nav a {
            padding: 6px 12px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .masthead-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .masthead-nav a.active {
            color: #fff;
            background: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 6px;
            cursor: pointer;
        }
        .masthead-actions {
            flex-shrink: 0;
        }
        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 10px 4px 14px;
            gap: 8px;
        }
        .masthead-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 4px 0;
            width: 120px;
            outline: none;
            color: var(--text);
        }
        .masthead-search i {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ========== Hero / Banner ========== */
        .hero-banner {
            background: linear-gradient(135deg, #ffffff 0%, #eef4ff 60%, #e0ecfe 100%);
            position: relative;
            padding: 60px 0 70px;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: -140px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner .container {
            position: relative;
            z-index: 2;
        }
        .hero-banner-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-banner-text h1 {
            font-size: 42px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .hero-banner-text h1 span {
            color: var(--primary);
        }
        .hero-banner-text .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-banner-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 4px solid #ffffff;
        }
        .hero-banner-visual img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .hero-banner-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-banner-badge i {
            color: var(--secondary);
            font-size: 20px;
        }
        .hero-banner-badge span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition);
            text-decoration: none;
            border: 2px solid transparent;
            line-height: 1.4;
            justify-content: center;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: var(--secondary);
            color: #fff;
        }
        .btn-secondary:hover {
            background: #0ea58e;
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 17px;
        }

        /* ========== Section Base ========== */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: #ffffff;
        }
        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }
        .section-header .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-dark .section-header p {
            color: #cbd5e1;
        }
        .section-dark .section-header .section-tag {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        /* ========== Metrics Dashboard ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }
        .metric-card .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 20px;
        }
        .metric-card .metric-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .metric-card .metric-icon.green {
            background: var(--secondary-light);
            color: var(--secondary);
        }
        .metric-card .metric-icon.yellow {
            background: var(--accent-light);
            color: var(--accent);
        }
        .metric-card .metric-icon.red {
            background: #fef2f2;
            color: var(--danger);
        }
        .metric-card .metric-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== Service Matrix ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }
        .service-card .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            margin-bottom: 16px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }
        .service-card .service-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: auto;
            padding-top: 16px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== Comparison Section ========== */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 32px;
            background: #fff;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .comparison-card:hover {
            box-shadow: var(--shadow-md);
        }
        .comparison-card.before {
            border-top: 4px solid var(--text-muted);
        }
        .comparison-card.after {
            border-top: 4px solid var(--primary);
        }
        .comparison-card .comparison-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comparison-card .comparison-title i {
            color: var(--text-muted);
        }
        .comparison-card.after .comparison-title i {
            color: var(--primary);
        }
        .comparison-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .comparison-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: start;
            gap: 10px;
            line-height: 1.7;
        }
        .comparison-card ul li:last-child {
            border-bottom: none;
        }
        .comparison-card ul li i {
            margin-top: 4px;
            flex-shrink: 0;
            font-size: 14px;
        }
        .comparison-card.before ul li i {
            color: var(--text-muted);
        }
        .comparison-card.after ul li i {
            color: var(--primary);
        }

        /* ========== Deep Content ========== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-content.reverse {
            direction: rtl;
        }
        .deep-content.reverse > * {
            direction: ltr;
        }
        .deep-content-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .deep-content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .deep-content-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 3px solid #ffffff;
        }
        .deep-content-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .deep-content-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .deep-content-list li {
            display: flex;
            align-items: start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .deep-content-list li:last-child {
            border-bottom: none;
        }
        .deep-content-list li i {
            color: var(--secondary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ========== Data Showcase ========== */
        .data-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }
        .data-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .data-panel:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .data-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
        }
        .data-panel .panel-header h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }
        .data-panel .panel-header .badge {
            font-size: 11px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 600;
        }
        .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }
        .data-row:last-child {
            border-bottom: none;
        }
        .data-row .label {
            color: var(--text-muted);
        }
        .data-row .value {
            font-weight: 700;
            color: var(--text);
        }
        .data-row .value.highlight {
            color: var(--primary);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            color: var(--text-muted);
            font-size: 14px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.25s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.9;
        }
        .faq-item.active .faq-question {
            color: var(--primary);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
            padding-top: 4px;
        }

        /* ========== CTA Form ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -60px;
            width: 350px;
            height: 350px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .cta-text h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .cta-form {
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .cta-form label {
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            display: block;
        }
        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.95);
            font-size: 14px;
            color: var(--text);
            margin-bottom: 14px;
            outline: none;
            transition: all var(--transition);
        }
        .cta-form input:focus,
        .cta-form select:focus {
            border-color: #fff;
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
        }
        .cta-form .btn {
            width: 100%;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
        }
        .cta-form .btn:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .cta-form .form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #e2e8f0;
            padding: 50px 0 28px;
            margin-top: 40px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-name {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .brand-name span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.8;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 12px;
            color: #64748b;
            text-align: center;
        }
        .footer-bottom .footer-links {
            margin-bottom: 10px;
        }
        .footer-bottom .footer-links a {
            color: #94a3b8;
            font-size: 12px;
        }
        .footer-bottom .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom p {
            margin: 3px 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .masthead-nav a {
                font-size: 12px;
                padding: 5px 8px;
            }
            .hero-banner-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-banner-text h1 {
                font-size: 34px;
            }
            .hero-banner-visual img {
                height: 280px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-showcase {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .masthead {
                padding: 14px 0;
            }
            .masthead-inner {
                flex-wrap: wrap;
                gap: 10px;
            }
            .masthead-brand .brand-name {
                font-size: 22px;
            }
            .masthead-brand .brand-sub {
                font-size: 10px;
                letter-spacing: 1px;
            }
            .masthead-actions {
                display: none;
            }
            .masthead-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                background: #fff;
                border-top: 1px solid var(--border);
                padding: 10px 0;
                gap: 0;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 16px;
                border-radius: 0;
                font-size: 14px;
                border-bottom: 1px solid var(--border-light);
                text-align: left;
            }
            .masthead-nav a:last-child {
                border-bottom: none;
            }
            .nav-toggle {
                display: block;
                margin-left: auto;
            }
            .masthead-nav a.active {
                background: var(--primary-light);
                color: var(--primary);
                border-radius: 0;
            }
            .hero-banner {
                padding: 36px 0 40px;
            }
            .hero-banner-text h1 {
                font-size: 28px;
            }
            .hero-banner-text .hero-desc {
                font-size: 15px;
            }
            .hero-banner-visual img {
                height: 220px;
            }
            .hero-banner-badge {
                padding: 8px 14px;
                font-size: 12px;
                bottom: 10px;
                left: 10px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .metric-card {
                padding: 18px 14px;
            }
            .metric-card .metric-number {
                font-size: 28px;
            }
            .service-card {
                padding: 18px;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
            }
            .deep-content,
            .deep-content.reverse {
                grid-template-columns: 1fr;
                gap: 20px;
                direction: ltr;
            }
            .deep-content.reverse > * {
                direction: ltr;
            }
            .deep-content-image img {
                height: 220px;
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section {
                padding: 32px 22px;
            }
            .cta-text h2 {
                font-size: 22px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .masthead-brand .brand-name {
                font-size: 18px;
            }
            .masthead-brand .brand-sub {
                font-size: 9px;
                letter-spacing: 1px;
            }
            .masthead-brand .brand-line {
                height: 28px;
            }
            .hero-banner {
                padding: 24px 0 28px;
            }
            .hero-banner-text h1 {
                font-size: 23px;
            }
            .hero-banner-text .hero-desc {
                font-size: 14px;
            }
            .hero-banner-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-banner-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-banner-visual img {
                height: 180px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .data-showcase {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 21px;
            }
            .section-header p {
                font-size: 14px;
            }
            .deep-content-text h2 {
                font-size: 21px;
            }
            .deep-content-text p {
                font-size: 14px;
            }
            .cta-section {
                padding: 24px 16px;
            }
            .cta-form {
                padding: 18px;
            }
        }

.testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .testimonial-quote {
            font-size: 28px;
            color: var(--primary);
            opacity: 0.3;
            margin-bottom: 8px;
        }
        .testimonial-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 20px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .author-name {
            font-weight: 700;
            font-size: 14px;
            color: var(--text);
        }
        .author-role {
            font-size: 12px;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a58ca;
            --primary-light: #e8f0fe;
            --secondary: #14b8a6;
            --secondary-light: #e6fffa;
            --accent: #f59e0b;
            --accent-light: #fff7e6;
            --danger: #ef4444;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1a1a2e;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.07);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.14);
            --font-sans: "Inter","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        .button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        .button:focus-visible {
            outline: 3px solid rgba(13,110,253,0.4);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Magazine Masthead ========== */
        .masthead {
            background: #ffffff;
            border-bottom: 3px solid var(--text);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        .masthead-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .masthead-brand .brand-line {
            width: 2px;
            height: 38px;
            background: var(--primary);
            border-radius: 2px;
        }
        .masthead-brand .brand-name {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            line-height: 1.2;
        }
        .masthead-brand .brand-name span {
            color: var(--primary);
        }
        .masthead-brand .brand-sub {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .masthead-nav a {
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .masthead-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .masthead-nav a.active {
            color: #fff;
            background: var(--primary);
        }
        .masthead-nav a small {
            display: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 6px;
            cursor: pointer;
        }
        .masthead-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 10px 4px 14px;
            gap: 8px;
        }
        .masthead-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 4px 0;
            width: 120px;
            outline: none;
            color: var(--text);
        }
        .masthead-search i {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ========== Inner Hero Section ========== */
        .inner-hero {
            position: relative;
            padding: 70px 0 80px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .inner-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(13,110,253,0.78) 55%, rgba(20,184,166,0.5) 100%);
            z-index: 1;
        }
        .inner-hero .container {
            position: relative;
            z-index: 2;
        }
        .inner-hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }
        .inner-hero-title {
            font-size: 44px;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .inner-hero-title span {
            color: #ffd166;
        }
        .inner-hero-desc {
            font-size: 17px;
            color: rgba(255,255,255,0.9);
            line-height: 1.85;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .inner-hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #ffffff;
            color: var(--primary-dark);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 30px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
            transition: all var(--transition);
        }
        .btn-primary-hero:hover {
            background: var(--accent);
            color: #1a1a2e;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0,0,0,0.2);
        }
        .btn-ghost-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 30px;
            border: 2px solid rgba(255,255,255,0.55);
            transition: all var(--transition);
        }
        .btn-ghost-hero:hover {
            background: rgba(255,255,255,0.15);
            border-color: #ffffff;
            color: #ffffff;
        }
        .hero-score-panel {
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: 0 24px 60px rgba(0,0,0,0.25);
        }
        .hero-score-panel .panel-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 18px;
            font-weight: 600;
        }
        .hero-score-match {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.15);
            gap: 8px;
        }
        .hero-score-match:last-child {
            border-bottom: none;
        }
        .hero-score-team {
            display: flex;
            flex-direction: column;
            align-items: center;
            flex: 1;
            text-align: center;
        }
        .hero-score-team .team-name {
            font-size: 14px;
            color: #fff;
            font-weight: 600;
        }
        .hero-score-team .team-score {
            font-size: 28px;
            font-weight: 800;
            color: #ffd166;
            line-height: 1.2;
        }
        .hero-score-vs {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            font-weight: 600;
            flex-shrink: 0;
        }
        .hero-score-time {
            text-align: center;
            font-size: 11px;
            color: rgba(255,255,255,0.65);
            margin-top: 4px;
            flex-shrink: 0;
            min-width: 60px;
        }

        /* ========== Stats Board ========== */
        .stats-board {
            padding: 48px 0 40px;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            text-align: center;
            padding: 26px 16px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            letter-spacing: -1px;
        }
        .stat-number small {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ========== Section Common ========== */
        .section {
            padding: 64px 0;
        }
        .section-white {
            background: #ffffff;
        }
        .section-bg {
            background: var(--bg);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }
        .section-head {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            margin: 0;
            line-height: 1.3;
            letter-spacing: 0.3px;
        }
        .section-head .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 6px;
            max-width: 560px;
            line-height: 1.7;
        }
        .section-head .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .section-dark h2 {
            color: #fff;
        }
        .section-dark .section-sub {
            color: rgba(255,255,255,0.7);
        }

        /* ========== Service Matrix ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .service-card .service-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .service-card:nth-child(2) .service-icon {
            background: var(--secondary-light);
            color: var(--secondary);
        }
        .service-card:nth-child(3) .service-icon {
            background: var(--accent-light);
            color: var(--accent);
        }
        .service-card:nth-child(4) .service-icon {
            background: #fef2f2;
            color: var(--danger);
        }
        .service-card:nth-child(5) .service-icon {
            background: #f5f3ff;
            color: #7c3aed;
        }
        .service-card:nth-child(6) .service-icon {
            background: #ecfdf5;
            color: #059669;
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }
        .service-card .service-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: var(--bg);
            color: var(--text-muted);
            margin-top: 14px;
        }

        /* ========== Comparison ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }
        .comparison-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .comparison-panel.advantage {
            border-top: 4px solid var(--primary);
            background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
        }
        .comparison-panel.traditional {
            border-top: 4px solid var(--text-muted);
            background: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
        }
        .comparison-panel h3 {
            font-size: 18px;
            font-weight: 700;
            margin-top: 0;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comparison-panel .comp-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }
        .comparison-panel.advantage .comp-icon {
            background: var(--primary-light);
            color: var(--primary);
        }
        .comparison-panel.traditional .comp-icon {
            background: #f1f5f9;
            color: var(--text-muted);
        }
        .comparison-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .comparison-list li {
            padding: 10px 0;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            border-bottom: 1px solid var(--border-light);
            line-height: 1.6;
        }
        .comparison-list li:last-child {
            border-bottom: none;
        }
        .comparison-list li i {
            margin-top: 4px;
            flex-shrink: 0;
            font-size: 13px;
        }
        .comparison-panel.advantage .comparison-list li i {
            color: var(--secondary);
        }
        .comparison-panel.traditional .comparison-list li i {
            color: var(--text-muted);
        }

        /* ========== Content Area ========== */
        .content-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .content-split .content-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-top: 0;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .content-split .content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 14px;
        }
        .content-split .content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .content-split .content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .content-split .content-image:hover img {
            transform: scale(1.04);
        }
        .check-list {
            list-style: none;
            padding: 0;
            margin: 18px 0 0;
        }
        .check-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 0;
            font-weight: 500;
        }
        .check-list li i {
            color: var(--secondary);
            font-size: 16px;
        }

        /* ========== Quick Links / Hot Matches ========== */
        .hot-matches-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .hot-match-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
            cursor: pointer;
        }
        .hot-match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .hot-match-card .league-name {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .hot-match-card .match-teams {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .hot-match-card .match-score {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.2;
        }
        .hot-match-card .match-time {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
            gap: 12px;
        }
        .faq-question i {
            color: var(--text-muted);
            transition: transform var(--transition);
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 18px;
        }

        /* ========== Form Section ========== */
        .form-panel {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            max-width: 880px;
            margin: 0 auto;
        }
        .form-panel h3 {
            font-size: 24px;
            font-weight: 700;
            margin-top: 0;
            margin-bottom: 8px;
            color: var(--text);
        }
        .form-panel .form-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            display: block;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            outline: none;
            transition: all var(--transition);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13,110,253,0.12);
            background: #fff;
        }
        .btn-submit {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 13px 32px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 30px;
            transition: all var(--transition);
            border: none;
        }
        .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(13,110,253,0.35);
            color: #fff;
        }

        /* ========== Brand / CTA ========== */
        .brand-cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 55%, #0d6efd 100%);
            padding: 60px 0;
            color: #fff;
        }
        .brand-cta-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .brand-cta-grid h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-top: 0;
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .brand-cta-grid p {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .brand-cta-grid .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #1a1a2e;
            padding: 14px 30px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 30px;
            transition: all var(--transition);
        }
        .brand-cta-grid .btn-accent:hover {
            background: #ffc93c;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245,158,11,0.4);
            color: #1a1a2e;
        }
        .brand-cta-card {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-lg);
            padding: 24px;
        }
        .brand-cta-card .brand-quote {
            font-size: 15px;
            color: rgba(255,255,255,0.9);
            line-height: 1.8;
            margin: 0;
        }
        .brand-cta-card .brand-quote i {
            color: var(--accent);
            font-size: 24px;
            margin-right: 6px;
            vertical-align: middle;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #cbd5e1;
            padding: 50px 0 30px;
            border-top: 4px solid var(--primary);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-name {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .brand-name span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 14px;
            color: #94a3b8;
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-top: 0;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: #64748b;
            margin: 0;
        }
        .footer-links {
            font-size: 13px;
            color: #94a3b8;
            margin-bottom: 4px;
        }
        .footer-links a {
            color: #94a3b8;
        }
        .footer-links a:hover {
            color: var(--primary);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .inner-hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .inner-hero-title {
                font-size: 36px;
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-matches-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-cta-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .masthead-inner {
                flex-direction: row;
                flex-wrap: wrap;
                align-items: center;
            }
            .nav-toggle {
                display: block;
                order: 1;
            }
            .masthead-brand {
                order: 2;
                flex: 1;
                justify-content: center;
            }
            .masthead-brand .brand-name {
                font-size: 24px;
            }
            .masthead-actions {
                order: 3;
                flex-basis: 100%;
                justify-content: center;
                margin-top: 12px;
            }
            .masthead-search {
                width: 100%;
                max-width: 360px;
            }
            .masthead-search input {
                width: 100%;
            }
            .masthead-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                order: 4;
                margin-top: 12px;
                background: #fff;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-md);
                padding: 12px;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                text-align: left;
            }
            .inner-hero {
                padding: 44px 0 56px;
            }
            .inner-hero-title {
                font-size: 30px;
            }
            .section {
                padding: 44px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .content-split {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .masthead-brand .brand-name {
                font-size: 20px;
            }
            .masthead-brand .brand-sub {
                font-size: 10px;
                letter-spacing: 1px;
            }
            .inner-hero-title {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 32px;
            }
            .hot-matches-grid {
                grid-template-columns: 1fr;
            }
            .hero-score-panel {
                padding: 20px 16px;
            }
            .hero-score-team .team-score {
                font-size: 24px;
            }
            .btn-primary-hero,
            .btn-ghost-hero {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .inner-hero-actions {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a58ca;
            --primary-light: #e8f0fe;
            --secondary: #14b8a6;
            --secondary-light: #e6fffa;
            --accent: #f59e0b;
            --accent-light: #fff7e6;
            --danger: #ef4444;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1a1a2e;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.14);
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        .button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.4);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Magazine Masthead ========== */
        .masthead {
            background: #ffffff;
            border-bottom: 3px solid var(--text);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .masthead-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .masthead-brand .brand-line {
            width: 2px;
            height: 38px;
            background: var(--primary);
            border-radius: 2px;
        }

        .masthead-brand .brand-name {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            line-height: 1.2;
        }

        .masthead-brand .brand-name span {
            color: var(--primary);
        }

        .masthead-brand .brand-sub {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .masthead-nav a {
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .masthead-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .masthead-nav a.active {
            color: #fff;
            background: var(--primary);
        }

        .masthead-nav a small {
            display: none;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 6px;
            cursor: pointer;
        }

        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 10px 4px 14px;
            gap: 8px;
            flex-shrink: 0;
        }

        .masthead-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 4px 0;
            width: 120px;
            outline: none;
            color: var(--text);
        }

        .masthead-search i {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ========== Hero Section ========== */
        .hero-nba {
            background: linear-gradient(135deg, #fdfefe 0%, #e8f0fe 55%, #d6e6ff 100%);
            position: relative;
            padding: 56px 0 72px;
            overflow: hidden;
        }

        .hero-nba::before {
            content: '';
            position: absolute;
            top: -140px;
            right: -80px;
            width: 580px;
            height: 580px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-nba::after {
            content: '';
            position: absolute;
            bottom: -180px;
            left: -100px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-nba .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-nba .hero-text {
            padding: 10px 0;
        }

        .hero-nba .hero-badge-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }

        .hero-nba .hot-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-light);
            color: #b45309;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid #fde68a;
        }

        .hero-nba .hot-badge i {
            font-size: 12px;
        }

        .hero-nba .live-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fee2e2;
            color: #dc2626;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid #fecaca;
        }

        .hero-nba .live-tag .dot {
            width: 8px;
            height: 8px;
            background: #ef4444;
            border-radius: 50%;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }

        .hero-nba h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            margin: 0 0 18px;
            letter-spacing: 0.5px;
        }

        .hero-nba h1 span {
            color: var(--primary);
            position: relative;
        }

        .hero-nba .hero-sub {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 28px;
            max-width: 520px;
        }

        .hero-nba .hero-cta-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 110, 253, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .hero-nba .hero-stats-mini {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-nba .hero-stat-mini {
            display: flex;
            flex-direction: column;
        }

        .hero-nba .hero-stat-mini .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .hero-nba .hero-stat-mini .lbl {
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-nba .hero-visual {
            position: relative;
            z-index: 2;
        }

        .hero-nba .score-panel {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            padding: 28px 24px 24px;
            box-shadow: var(--shadow-xl);
            color: #e2e8f0;
            position: relative;
            overflow: hidden;
        }

        .hero-nba .score-panel::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-nba .score-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        .hero-nba .score-panel .panel-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: #94a3b8;
        }

        .hero-nba .score-panel .panel-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: #f87171;
            background: rgba(239, 68, 68, 0.15);
            padding: 4px 12px;
            border-radius: 16px;
        }

        .hero-nba .score-panel .panel-live .dot {
            width: 7px;
            height: 7px;
            background: #ef4444;
            border-radius: 50%;
            animation: pulse-dot 1.4s ease-in-out infinite;
        }

        .hero-nba .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
            z-index: 2;
        }

        .hero-nba .match-row:last-child {
            border-bottom: none;
        }

        .hero-nba .team-info {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
        }

        .hero-nba .team-info .team-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .hero-nba .team-info .team-name {
            font-size: 14px;
            font-weight: 500;
            color: #e2e8f0;
            white-space: nowrap;
        }

        .hero-nba .score-num {
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            min-width: 40px;
            text-align: center;
        }

        .hero-nba .score-num.winner {
            color: #fbbf24;
        }

        .hero-nba .match-meta {
            font-size: 12px;
            color: #94a3b8;
            text-align: center;
            flex-shrink: 0;
        }

        .hero-nba .panel-footer {
            margin-top: 16px;
            display: flex;
            justify-content: center;
            position: relative;
            z-index: 2;
        }

        .hero-nba .panel-footer .btn-sm {
            padding: 8px 20px;
            font-size: 13px;
            background: rgba(255, 255, 255, 0.1);
            color: #e2e8f0;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition);
        }

        .hero-nba .panel-footer .btn-sm:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: 64px 0;
        }

        .section-block.bg-white {
            background: #ffffff;
        }

        .section-block.bg-light {
            background: var(--bg);
        }

        .section-block.bg-tinted {
            background: #f0f6ff;
        }

        .section-block.bg-dark {
            background: var(--bg-dark);
            color: #e2e8f0;
        }

        .section-block .section-header {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-block .section-header .title-group h2 {
            font-size: 32px;
            font-weight: 800;
            margin: 0 0 8px;
            color: var(--text);
            letter-spacing: 0.3px;
        }

        .section-block.bg-dark .section-header .title-group h2 {
            color: #ffffff;
        }

        .section-block .section-header .title-group p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 640px;
        }

        .section-block.bg-dark .section-header .title-group p {
            color: #94a3b8;
        }

        .section-block .section-header .header-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .section-block.bg-dark .section-header .header-tag {
            background: rgba(13, 110, 253, 0.25);
            color: #93c5fd;
        }

        /* ========== Metrics Dashboard ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-card .metric-icon {
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 12px;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            border-radius: var(--radius-md);
        }

        .metric-card .metric-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .metric-card .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 4px;
        }

        .metric-card .metric-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== Service Matrix ========== */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-matrix-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-matrix-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .service-matrix-card .sm-icon {
            font-size: 28px;
            color: var(--primary);
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            border-radius: var(--radius-md);
        }

        .service-matrix-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 4px 0 0;
            color: var(--text);
        }

        .service-matrix-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }

        .service-matrix-card .sm-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .service-matrix-card .sm-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ========== Compare Section ========== */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .compare-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .compare-card.compare-old {
            border-top: 5px solid #cbd5e1;
        }

        .compare-card.compare-new {
            border-top: 5px solid var(--primary);
            background: #fbfdff;
            box-shadow: var(--shadow-lg);
        }

        .compare-card .compare-head {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .compare-card .compare-head .badge {
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 16px;
            white-space: nowrap;
        }

        .compare-card .compare-head .badge.old {
            background: #f1f5f9;
            color: #64748b;
        }

        .compare-card .compare-head .badge.new {
            background: var(--primary);
            color: #fff;
        }

        .compare-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text);
        }

        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .compare-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .compare-card ul li:last-child {
            border-bottom: none;
        }

        .compare-card ul li i {
            margin-top: 4px;
            flex-shrink: 0;
            font-size: 13px;
        }

        .compare-card.compare-old ul li i {
            color: #cbd5e1;
        }

        .compare-card.compare-new ul li i {
            color: var(--primary);
        }

        /* ========== Deep Text ========== */
        .deep-text-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-text-grid.reverse {
            direction: rtl;
        }

        .deep-text-grid.reverse > * {
            direction: ltr;
        }

        .deep-text-grid .deep-text-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--text);
            line-height: 1.4;
        }

        .deep-text-grid .deep-text-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0 0 14px;
        }

        .deep-text-grid .deep-text-content ul {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .deep-text-grid .deep-text-content ul li {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .deep-text-grid .deep-text-content ul li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .deep-text-grid .deep-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .deep-text-grid .deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .deep-text-grid .deep-image .img-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 24px;
            background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
            color: #ffffff;
            font-size: 13px;
            font-weight: 500;
        }

        /* ========== Brand Intro ========== */
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .brand-intro-grid .brand-intro-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .brand-intro-grid .brand-intro-image img {
            min-height: 280px;
            object-fit: cover;
            width: 100%;
        }

        .brand-intro-grid .brand-intro-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--text);
        }

        .brand-intro-grid .brand-intro-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin: 0 0 12px;
        }

        .brand-intro-grid .brand-intro-content .brand-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .brand-intro-grid .brand-intro-content .brand-tag-list span {
            font-size: 13px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 18px;
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .faq-item .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition);
        }

        .faq-item .faq-question:hover {
            color: var(--primary);
        }

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            transition: all var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-item .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== CTA Form ========== */
        .cta-form-section {
            background: linear-gradient(135deg, #0f172a 0%, #1a2a4a 50%, #0d2137 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.22) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-form-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .cta-form-grid .cta-form-info h2 {
            font-size: 32px;
            font-weight: 800;
            color: #ffffff;
            margin: 0 0 16px;
            line-height: 1.3;
        }

        .cta-form-grid .cta-form-info p {
            font-size: 16px;
            color: #cbd5e1;
            line-height: 1.8;
            margin: 0 0 20px;
        }

        .cta-form-grid .cta-form-info .cta-points {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-form-grid .cta-form-info .cta-points li {
            font-size: 14px;
            color: #e2e8f0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .cta-form-grid .cta-form-info .cta-points li i {
            color: #fbbf24;
            font-size: 14px;
        }

        .cta-form-box {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-box .form-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }

        .cta-form-box .form-sub {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0 0 22px;
        }

        .cta-form-box .form-group {
            margin-bottom: 16px;
        }

        .cta-form-box .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .cta-form-box .form-group input{
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-sans);
            color: var(--text);
            background: #fff;
            transition: all var(--transition);
            outline: none;
        }

        .cta-form-box .form-group input:focus,
        .cta-form-box .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.12);
        }

        .cta-form-box .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-sans);
            color: var(--text);
            background: #fff;
            transition: all var(--transition);
            outline: none;
            min-height: 90px;
            resize: vertical;
        }

        .cta-form-box .form-group .form-hint {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .cta-form-box .btn-block {
            width: 100%;
            justify-content: center;
            padding: 14px 24px;
            font-size: 16px;
            border-radius: 30px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }

        .cta-form-box .btn-block:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 110, 253, 0.3);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 56px 0 0;
            font-size: 14px;
        }

        .site-footer .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .site-footer .footer-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .site-footer .footer-brand .brand-name span {
            color: var(--primary);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: #94a3b8;
            line-height: 1.8;
            margin: 0;
        }

        .site-footer .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }

        .site-footer .footer-col ul li a {
            color: #94a3b8;
            font-size: 14px;
            transition: color var(--transition);
        }

        .site-footer .footer-col ul li a:hover {
            color: #ffffff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 13px;
            color: #64748b;
        }

        .site-footer .footer-bottom .footer-links {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom .footer-links a {
            color: #94a3b8;
        }

        .site-footer .footer-bottom .footer-links a:hover {
            color: #ffffff;
        }

        .site-footer .footer-bottom p {
            margin: 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-nba .hero-content {
                gap: 32px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .masthead-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
                order: -1;
            }
            .masthead-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 0 8px;
                order: 10;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 14px;
                border-radius: 8px;
                display: block;
                text-align: left;
            }
            .masthead-search {
                width: 100%;
                margin-top: 8px;
                order: 11;
            }
            .masthead-search input {
                width: 100%;
            }
            .hero-nba {
                padding: 40px 0 48px;
            }
            .hero-nba .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-nba h1 {
                font-size: 32px;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-block .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-block .section-header .title-group h2 {
                font-size: 26px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .deep-text-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-text-grid.reverse {
                direction: ltr;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .masthead-brand .brand-name {
                font-size: 22px;
            }
            .masthead-brand .brand-sub {
                font-size: 10px;
                letter-spacing: 1px;
            }
            .hero-nba h1 {
                font-size: 26px;
            }
            .hero-nba .hero-sub {
                font-size: 15px;
            }
            .hero-nba .hero-stats-mini .num {
                font-size: 24px;
            }
            .cta-form-box {
                padding: 24px 20px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a58ca;
            --primary-light: #e8f0fe;
            --secondary: #14b8a6;
            --secondary-light: #e6fffa;
            --accent: #f59e0b;
            --accent-light: #fff7e6;
            --danger: #ef4444;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1a1a2e;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.14);
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        .button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        .button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.4);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Magazine Masthead ========== */
        .masthead {
            background: #ffffff;
            border-bottom: 3px solid var(--text);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .masthead-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .masthead-brand .brand-line {
            width: 2px;
            height: 38px;
            background: var(--primary);
            border-radius: 2px;
        }
        .masthead-brand .brand-name {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            line-height: 1.2;
            display: block;
        }
        .masthead-brand .brand-name span {
            color: var(--primary);
        }
        .masthead-brand .brand-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
            display: block;
        }
        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }
        .masthead-nav a {
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .masthead-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .masthead-nav a.active {
            color: #fff;
            background: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 6px;
            cursor: pointer;
        }
        .masthead-actions {
            flex-shrink: 0;
        }
        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 10px 4px 14px;
            gap: 8px;
        }
        .masthead-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 4px 0;
            width: 120px;
            outline: none;
            color: var(--text);
        }
        .masthead-search i {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ========== Hero Section ========== */
        .hero-section {
            background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
            position: relative;
            padding: 60px 0 70px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .hero-eyebrow i {
            font-size: 12px;
        }
        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
        }
        .hero-title span {
            color: var(--primary);
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .hero-points {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 26px;
        }
        .hero-point {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .hero-point i {
            color: var(--secondary);
            font-size: 16px;
        }
        .hero-form-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--border-light);
        }
        .hero-form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .hero-form-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .hero-form-card label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            display: block;
            margin-bottom: 4px;
        }
        .hero-form-card select,
        .hero-form-card input {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-sans);
            margin-bottom: 14px;
            background: #fff;
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .hero-form-card select:focus,
        .hero-form-card input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
            outline: none;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #ffffff;
            padding: 12px 24px;
            border-radius: 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            width: 100%;
            justify-content: center;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-primary i {
            font-size: 14px;
        }

        /* ========== Section Common ========== */
        .section {
            padding: 64px 0;
            position: relative;
        }
        .section-alt {
            background: #ffffff;
        }
        .section-dark {
            background: var(--bg-dark);
            color: #ffffff;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-dark .section-header h2 {
            color: #ffffff;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== Metrics ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 20px;
        }
        .metric-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .metric-icon.green {
            background: var(--secondary-light);
            color: var(--secondary);
        }
        .metric-icon.orange {
            background: var(--accent-light);
            color: var(--accent);
        }
        .metric-icon.red {
            background: #fef2f2;
            color: var(--danger);
        }
        .metric-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }
        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== Service Matrix ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .service-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .service-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .service-card-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .service-card-icon.green {
            background: var(--secondary-light);
            color: var(--secondary);
        }
        .service-card-icon.orange {
            background: var(--accent-light);
            color: var(--accent);
        }
        .service-card-icon.red {
            background: #fef2f2;
            color: var(--danger);
        }
        .service-card-body h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .service-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== Compare ========== */
        .compare-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }
        .compare-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .compare-card.old {
            border-left: 4px solid var(--danger);
        }
        .compare-card.new {
            border-left: 4px solid var(--secondary);
        }
        .compare-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-card.old h4 {
            color: var(--danger);
        }
        .compare-card.new h4 {
            color: var(--secondary);
        }
        .compare-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-secondary);
        }
        .compare-list li:last-child {
            border-bottom: none;
        }
        .compare-list li i {
            margin-top: 3px;
            flex-shrink: 0;
        }
        .compare-list li .fa-times {
            color: var(--danger);
        }
        .compare-list li .fa-check {
            color: var(--secondary);
        }

        /* ========== Deep Content ========== */
        .deep-content {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 40px;
            align-items: center;
        }
        .deep-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .deep-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .deep-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .deep-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .deep-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
            padding: 30px 20px 16px;
            color: #fff;
            font-size: 14px;
            font-weight: 500;
        }

        /* ========== Game Coverage ========== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .game-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: default;
        }
        .game-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .game-card i {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
            display: block;
        }
        .game-card h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 4px;
        }
        .game-card span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }
        .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
            font-size: 16px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== CTA Form ========== */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2f4f 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .cta-text h2 {
            font-size: 32px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-features {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .cta-features span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            padding: 6px 14px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
        }
        .cta-features span i {
            color: var(--secondary);
            font-size: 12px;
        }
        .cta-form-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
        }
        .cta-form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .cta-form-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .cta-form-card label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            display: block;
            margin-bottom: 4px;
        }
        .cta-form-card select,
        .cta-form-card input,
        .cta-form-card textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-sans);
            margin-bottom: 14px;
            background: #fff;
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .cta-form-card textarea {
            resize: vertical;
            min-height: 80px;
        }
        .cta-form-card select:focus,
        .cta-form-card input:focus,
        .cta-form-card textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
            outline: none;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            padding: 12px 24px;
            border-radius: 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0d1117;
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
            border-top: 3px solid var(--text);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .footer-brand .brand-name span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            margin: 0;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-links {
            margin-bottom: 10px;
            font-size: 13px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            margin: 0 4px;
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .footer-bottom p {
            margin: 3px 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .masthead-inner {
                justify-content: center;
                gap: 12px;
            }
            .masthead-nav {
                order: 3;
                width: 100%;
                justify-content: center;
            }
            .masthead-actions {
                display: none;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-title {
                font-size: 34px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-wrapper {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .compare-wrapper {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .masthead-nav {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                gap: 2px;
                padding: 10px 0;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                width: 100%;
                padding: 10px 14px;
                border-radius: 8px;
                font-size: 14px;
            }
            .nav-toggle {
                display: block;
            }
            .masthead-inner {
                justify-content: space-between;
                flex-wrap: wrap;
                position: relative;
            }
            .masthead-brand {
                flex: 1;
            }
            .masthead-actions {
                display: none;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-value {
                font-size: 24px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .game-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .compare-wrapper {
                gap: 20px;
            }
            .compare-card {
                padding: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .hero-form-card {
                padding: 22px 18px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .game-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .game-card {
                padding: 14px 10px;
            }
            .cta-form-card {
                padding: 22px 18px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .compare-list li {
                font-size: 13px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a58ca;
            --primary-light: #e8f0fe;
            --secondary: #14b8a6;
            --secondary-light: #e6fffa;
            --accent: #f59e0b;
            --accent-light: #fff7e6;
            --danger: #ef4444;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1a1a2e;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.14);
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        .button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        .button:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.4);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Magazine Masthead ========== */
        .masthead {
            background: #ffffff;
            border-bottom: 3px solid var(--text);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .masthead-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .masthead-brand .brand-line {
            width: 2px;
            height: 38px;
            background: var(--primary);
            border-radius: 2px;
        }
        .masthead-brand .brand-name {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            line-height: 1.2;
        }
        .masthead-brand .brand-name span {
            color: var(--primary);
        }
        .masthead-brand .brand-sub {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
            display: block;
        }
        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .masthead-nav a {
            padding: 6px 13px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .masthead-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .masthead-nav a.active {
            color: #fff;
            background: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 6px;
            cursor: pointer;
        }
        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 10px 4px 14px;
            gap: 8px;
            flex-shrink: 0;
        }
        .masthead-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 4px 0;
            width: 110px;
            outline: none;
            color: var(--text);
        }
        .masthead-search i {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ========== Hero Section ========== */
        .hero-section {
            background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
            position: relative;
            padding: 56px 0 64px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px;
            color: var(--text);
            letter-spacing: -0.5px;
        }
        .hero-title span {
            color: var(--primary);
        }
        .hero-desc {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 24px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 20px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 30px;
            transition: all var(--transition);
            text-decoration: none;
            border: 2px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 110, 253, 0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--text);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 30px;
            transition: all var(--transition);
            text-decoration: none;
            border: 2px solid var(--border);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .hero-trust {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-trust i {
            color: var(--secondary);
            margin-right: 4px;
        }
        .hero-visual {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .progress-ring-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 20px;
        }
        .progress-ring {
            position: relative;
            width: 180px;
            height: 180px;
        }
        .progress-ring svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }
        .progress-ring .bg-circle {
            fill: none;
            stroke: var(--border-light);
            stroke-width: 12;
        }
        .progress-ring .fg-circle {
            fill: none;
            stroke: var(--primary);
            stroke-width: 12;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.2s ease;
        }
        .progress-ring .ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }
        .ring-center .ring-value {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .ring-center .ring-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .progress-caption {
            font-size: 14px;
            color: var(--text-secondary);
            text-align: center;
            font-weight: 500;
        }
        .tier-preview {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 12px;
        }
        .tier-item {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 14px 12px;
            text-align: center;
            border: 2px solid var(--border-light);
            transition: all var(--transition);
        }
        .tier-item:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-3px);
        }
        .tier-item .tier-name {
            font-size: 13px;
            font-weight: 700;
            color: var(--text);
            display: block;
            margin-bottom: 2px;
        }
        .tier-item .tier-price {
            font-size: 11px;
            color: var(--primary);
            font-weight: 600;
        }
        .tier-item .tier-icon {
            font-size: 20px;
            color: var(--primary);
            display: block;
            margin-bottom: 6px;
        }

        /* ========== Section Common ========== */
        .section-padding {
            padding: 56px 0;
        }
        .section-padding-sm {
            padding: 40px 0;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 12px;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== Metrics Dashboard ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .metric-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }
        .metric-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 12px;
        }
        .metric-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .metric-value small {
            font-size: 16px;
            color: var(--primary);
            font-weight: 600;
        }
        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .metric-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 12px;
            margin-top: 8px;
        }
        .trend-up {
            background: var(--secondary-light);
            color: var(--secondary);
        }
        .trend-stable {
            background: var(--accent-light);
            color: var(--accent);
        }

        /* ========== Service Matrix ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--text);
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .service-features {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .service-features li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .service-features li i {
            color: var(--secondary);
            font-size: 12px;
        }

        /* ========== Deep Content ========== */
        .deep-section {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .deep-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .deep-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .deep-content h3 {
            font-size: 24px;
            font-weight: 800;
            margin: 0 0 16px;
            color: var(--text);
            line-height: 1.35;
        }
        .deep-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 14px;
        }
        .deep-points {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .deep-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            line-height: 1.6;
        }
        .deep-points li i {
            color: var(--secondary);
            margin-top: 4px;
            font-size: 14px;
        }

        /* ========== Comparison ========== */
        .compare-table-wrapper {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            overflow-x: auto;
        }
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 640px;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 18px;
            text-align: left;
            font-size: 14px;
            border-bottom: 1px solid var(--border-light);
        }
        .compare-table th {
            background: var(--bg);
            font-weight: 700;
            color: var(--text);
            font-size: 15px;
            white-space: nowrap;
        }
        .compare-table th:first-child {
            border-radius: var(--radius-sm) 0 0 0;
        }
        .compare-table th:last-child {
            border-radius: 0 var(--radius-sm) 0 0;
        }
        .compare-table td {
            color: var(--text-secondary);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .highlight-col {
            background: var(--primary-light);
            border-left: 3px solid var(--primary);
        }
        .compare-table .highlight-col td {
            font-weight: 600;
            color: var(--text);
        }
        .compare-check {
            color: var(--secondary);
            font-weight: 700;
        }
        .compare-cross {
            color: var(--danger);
            font-weight: 700;
        }
        .compare-dot {
            color: var(--accent);
            font-weight: 700;
        }

        /* ========== Process ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .process-step {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .process-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            margin: 0 auto 12px;
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== Testimonials ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .testimonial-stars {
            color: var(--accent);
            font-size: 14px;
            margin-bottom: 12px;
        }
        .testimonial-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
        }
        .testimonial-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
        }
        .testimonial-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            background: #ffffff;
            transition: all var(--transition);
        }
        .faq-question:hover {
            background: var(--primary-light);
        }
        .faq-question i {
            color: var(--primary);
            transition: transform var(--transition);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== CTA Form ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cta-info h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .cta-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin: 0 0 20px;
        }
        .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .cta-benefits li {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .cta-benefits li i {
            font-size: 12px;
        }
        .cta-form {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-xl);
        }
        .cta-form h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--text);
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 5px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 11px 14px;
            font-size: 14px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            font-family: var(--font-sans);
            background: #fff;
            color: var(--text);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
        }
        .btn-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            padding: 13px 20px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: none;
        }
        .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(13, 110, 253, 0.3);
        }
        .form-note {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .brand-name {
            font-size: 24px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .footer-brand .brand-name span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: #64748b;
            line-height: 2;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 12px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .footer-bottom p {
            margin: 2px 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 32px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .masthead-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .nav-toggle {
                display: inline-block;
                position: absolute;
                right: 20px;
                top: 16px;
            }
            .masthead-brand {
                padding-right: 50px;
            }
            .masthead-nav {
                display: none;
                flex-direction: column;
                gap: 2px;
                width: 100%;
                background: #ffffff;
                padding: 10px;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-md);
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                padding: 10px 14px;
                text-align: center;
                width: 100%;
            }
            .masthead-search {
                width: 100%;
            }
            .masthead-search input {
                width: 100%;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .tier-preview {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-value {
                font-size: 24px;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .deep-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 32px 24px;
            }
            .section-title {
                font-size: 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-section {
                padding: 24px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
                text-align: center;
            }
            .tier-preview {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .progress-ring {
                width: 140px;
                height: 140px;
            }
            .ring-center .ring-value {
                font-size: 28px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .masthead-brand .brand-name {
                font-size: 22px;
            }
            .cta-section {
                padding: 24px 16px;
            }
            .cta-form {
                padding: 20px 16px;
            }
            .compare-table-wrapper {
                padding: 16px;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 12px;
            }
            .process-step h4 {
                font-size: 14px;
            }
            .deep-section {
                padding: 18px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a58ca;
            --primary-light: #e8f0fe;
            --secondary: #14b8a6;
            --secondary-light: #e6fffa;
            --accent: #f59e0b;
            --accent-light: #fff7e6;
            --danger: #ef4444;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1a1a2e;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.14);
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        button,
        .button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        .button:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.4);
            outline-offset: 2px;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        /* ========== Header / Magazine Masthead ========== */
        .masthead {
            background: #ffffff;
            border-bottom: 3px solid var(--text);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .masthead-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .masthead-brand .brand-line {
            width: 2px;
            height: 38px;
            background: var(--primary);
            border-radius: 2px;
        }
        .masthead-brand .brand-name {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            line-height: 1.2;
        }
        .masthead-brand .brand-name span {
            color: var(--primary);
        }
        .masthead-brand .brand-sub {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }
        .masthead-nav a {
            padding: 6px 13px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .masthead-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .masthead-nav a.active {
            color: #fff;
            background: var(--primary);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 6px;
            cursor: pointer;
        }
        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 10px 4px 14px;
            gap: 8px;
            flex-shrink: 0;
        }
        .masthead-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 4px 0;
            width: 120px;
            outline: none;
            color: var(--text);
        }
        .masthead-search i {
            color: var(--text-muted);
            font-size: 13px;
        }
        /* ========== Hero Banner ========== */
        .hero-banner {
            background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
            position: relative;
            padding: 40px 0 50px;
            overflow: hidden;
            border-bottom: 1px solid var(--border-light);
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(20, 184, 166, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner .container {
            position: relative;
            z-index: 2;
        }
        .hero-banner-inner {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
            align-items: center;
        }
        .hero-banner-text h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-banner-text .hero-kicker {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-banner-text p {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .hero-banner-text .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 30px;
            text-decoration: none;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(13, 110, 253, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 110, 253, 0.4);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--text);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 30px;
            border: 1px solid var(--border);
            text-decoration: none;
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .hero-banner-visual {
            background: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .hero-banner-visual img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        .hero-banner-visual .visual-caption {
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .hero-banner-visual .visual-caption i {
            color: var(--primary);
            font-size: 18px;
        }
        /* ========== Section Base ========== */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: #ffffff;
        }
        .section-grey {
            background: #f1f5f9;
        }
        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.7;
            max-width: 700px;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-head.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        /* ========== Metrics Dashboard ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .metric-card .metric-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
        }
        .metric-card .metric-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .metric-card .metric-icon.green {
            background: var(--secondary-light);
            color: var(--secondary);
        }
        .metric-card .metric-icon.amber {
            background: var(--accent-light);
            color: var(--accent);
        }
        .metric-card .metric-icon.red {
            background: #fee2e2;
            color: var(--danger);
        }
        .metric-card .metric-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 8px;
        }
        .metric-card .metric-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* ========== Service Matrix ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .service-card .service-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .service-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .service-card .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .service-card .service-tags span {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--bg);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        /* ========== Comparison Section ========== */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }
        .comparison-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .comparison-card.highlight {
            border: 2px solid var(--primary);
            position: relative;
        }
        .comparison-card .comparison-badge {
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
        }
        .comparison-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comparison-card h3 i {
            color: var(--primary);
        }
        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .comparison-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .comparison-list li:last-child {
            border-bottom: none;
        }
        .comparison-list li i {
            color: var(--secondary);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .comparison-list li i.fa-times-circle {
            color: var(--danger);
        }
        .comparison-visual {
            background: #ffffff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .comparison-visual img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .comparison-visual .visual-note {
            padding: 16px 20px;
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--bg);
        }
        /* ========== Deep Content ========== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 40px;
            align-items: start;
        }
        .deep-content-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .deep-content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .deep-content-text .key-points {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-top: 16px;
        }
        .key-point {
            background: var(--primary-light);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
        }
        .key-point i {
            color: var(--primary);
            font-size: 18px;
        }
        .deep-content-visual {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .deep-content-visual img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .deep-content-visual .img-overlay {
            padding: 16px 20px;
            background: var(--bg-dark);
            color: #fff;
            font-size: 13px;
            line-height: 1.6;
        }
        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            user-select: none;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            color: var(--text-muted);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }
        /* ========== CTA / Form ========== */
        .cta-section {
            padding: 60px 0;
        }
        .cta-form-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .cta-form-content {
            padding: 40px 44px;
        }
        .cta-form-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .cta-form-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .cta-form-content form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .cta-form-content input,
        .cta-form-content select {
            padding: 12px 18px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 14px;
            font-family: var(--font-sans);
            outline: none;
            color: var(--text);
            background: var(--bg);
            transition: all var(--transition);
            width: 100%;
        }
        .cta-form-content input:focus,
        .cta-form-content select:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
        }
        .cta-form-content label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: -6px;
        }
        .cta-form-visual {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 40px 36px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 100%;
        }
        .cta-form-visual h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-form-visual ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cta-form-visual ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            line-height: 1.6;
        }
        .cta-form-visual ul li:last-child {
            border-bottom: none;
        }
        .cta-form-visual ul li i {
            color: #4ade80;
        }
        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #cbd5e1;
            padding: 56px 0 28px;
            font-size: 14px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-name {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer-brand .brand-name span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 12px;
            color: #64748b;
        }
        .footer-bottom .footer-links {
            margin-bottom: 10px;
        }
        .footer-bottom .footer-links a {
            color: #94a3b8;
            font-size: 12px;
            text-decoration: none;
            margin: 0 6px;
            transition: color var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom p {
            margin: 4px 0;
            font-size: 12px;
            color: #64748b;
        }
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero-banner-inner {
                grid-template-columns: 1fr 320px;
                gap: 28px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content {
                grid-template-columns: 1fr;
            }
            .cta-form-wrapper {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .masthead-inner {
                flex-wrap: wrap;
                gap: 12px;
                position: relative;
            }
            .nav-toggle {
                display: block;
                position: absolute;
                top: 0;
                right: 0;
                z-index: 101;
            }
            .masthead-nav {
                display: none;
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
                gap: 2px;
                padding: 16px 0 8px;
                background: #fff;
                border-top: 1px solid var(--border-light);
                margin-top: 12px;
            }
            .masthead-nav.open {
                display: flex;
            }
            .masthead-nav a {
                width: 100%;
                padding: 10px 14px;
                border-radius: 8px;
            }
            .masthead-search {
                display: none;
            }
            .hero-banner {
                padding: 28px 0 36px;
            }
            .hero-banner-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-banner-text h1 {
                font-size: 28px;
            }
            .hero-banner-visual img {
                height: 200px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .metric-card .metric-number {
                font-size: 28px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .deep-content-text .key-points {
                grid-template-columns: 1fr;
            }
            .deep-content-visual img {
                height: 220px;
            }
            .cta-form-content {
                padding: 28px 24px;
            }
            .cta-form-visual {
                padding: 28px 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hero-banner-text h1 {
                font-size: 24px;
            }
            .hero-banner-text p {
                font-size: 15px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 10px 18px;
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .cta-form-content h2 {
                font-size: 22px;
            }
            .comparison-card {
                padding: 24px 20px;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #0d6efd;
            --primary-dark: #0a58ca;
            --primary-light: #e8f0fe;
            --secondary: #14b8a6;
            --secondary-light: #e6fffa;
            --accent: #f59e0b;
            --accent-light: #fff7e6;
            --danger: #ef4444;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1a1a2e;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.14);
            --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
        }

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-sans);
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        .button:focus-visible {
            outline: 3px solid rgba(13, 110, 253, 0.4);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== Header / Magazine Masthead ========== */
        .masthead {
            background: #ffffff;
            border-bottom: 3px solid var(--text);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .masthead-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .masthead-brand {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .masthead-brand .brand-line {
            width: 2px;
            height: 38px;
            background: var(--primary);
            border-radius: 2px;
        }

        .masthead-brand .brand-name {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            line-height: 1.2;
        }

        .masthead-brand .brand-name span {
            color: var(--primary);
        }

        .masthead-brand .brand-sub {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .masthead-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .masthead-nav a {
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            position: relative;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .masthead-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .masthead-nav a.active {
            color: #fff;
            background: var(--primary);
        }

        .masthead-nav a small {
            display: none;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px 10px;
            border-radius: 6px;
            cursor: pointer;
        }

        .masthead-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 4px 10px 4px 14px;
            gap: 8px;
        }

        .masthead-search input {
            border: none;
            background: transparent;
            font-size: 13px;
            padding: 4px 0;
            width: 120px;
            outline: none;
            color: var(--text);
        }

        .masthead-search i {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ========== Page Banner ========== */
        .page-banner {
            background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
            padding: 50px 0 40px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .separator {
            color: var(--border);
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        .page-banner h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 14px;
            color: var(--text);
            letter-spacing: -0.5px;
        }

        .page-banner .lead {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.8;
            margin: 0;
        }

        /* ========== Section Base ========== */
        .section {
            padding: 60px 0;
        }

        .section-alt {
            background: #ffffff;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text);
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 700px;
            margin-bottom: 32px;
        }

        .section-header {
            margin-bottom: 28px;
        }

        .section-header .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding:6px 14px;
            border-radius: 20px;
            margin-bottom: 8px;
        }

        /* ========== Metrics Board ========== */
        .metrics-board {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .metric-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-card .metric-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            margin-bottom: 14px;
        }

        .metric-card .metric-icon.blue {
            background: var(--primary);
        }

        .metric-card .metric-icon.green {
            background: var(--secondary);
        }

        .metric-card .metric-icon.orange {
            background: var(--accent);
        }

        .metric-card .metric-icon.red {
            background: var(--danger);
        }

        .metric-card .metric-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        .metric-card .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            margin-top: 10px;
        }

        .metric-card .metric-trend.up {
            background: var(--secondary-light);
            color: var(--secondary);
        }

        .metric-card .metric-trend.down {
            background: #fee2e2;
            color: var(--danger);
        }

        /* ========== Hero / Group Panel ========== */
        .group-hero {
            background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
            border-radius: var(--radius-xl);
            padding: 48px 48px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
            margin-bottom: 48px;
        }

        .group-hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .group-hero .group-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .group-hero h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--text);
            letter-spacing: -0.5px;
        }

        .group-hero p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 560px;
        }

        .group-hero .group-status {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--secondary-light);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            margin-bottom: 24px;
        }

        .group-hero .group-status .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--secondary);
            animation: pulse 1.5s infinite;
        }

        .group-hero .group-status .status-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }

        .group-hero .group-status .status-count {
            font-size: 14px;
            color: var(--secondary);
            font-weight: 700;
        }

        .group-hero .button-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .group-hero .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 14px 30px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition);
            border: 2px solid var(--primary);
        }

        .group-hero .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .group-hero .btn-outline {
            background: #fff;
            color: var(--primary);
            padding: 14px 30px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition);
            border: 2px solid var(--primary);
        }

        .group-hero .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .group-hero .group-visual {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 32px;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .group-hero .group-visual h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .group-hero .group-visual .member-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .group-hero .group-visual .member-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
            color: #cbd5e1;
        }

        .group-hero .group-visual .member-list li:last-child {
            border-bottom: none;
        }

        .group-hero .group-visual .member-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }

        @keyframes pulse {
            0% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(1.3);
            }
            100% {
                opacity: 1;
                transform: scale(1);
            }
        }

        /* ========== Service Matrix ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .service-card .service-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            color: #fff;
        }

        .service-card .service-icon.blue {
            background: linear-gradient(135deg, #0d6efd, #0a58ca);
        }

        .service-card .service-icon.green {
            background: linear-gradient(135deg, #14b8a6, #0d9488);
        }

        .service-card .service-icon.orange {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }

        .service-card .service-icon.red {
            background: linear-gradient(135deg, #ef4444, #dc2626);
        }

        .service-card .service-icon.purple {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
        }

        .service-card .service-icon.cyan {
            background: linear-gradient(135deg, #06b6d4, #0891b2);
        }

        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 16px;
        }

        .service-card .service-tag {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .service-card .service-tag span {
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ========== Comparison / Results ========== */
        .comparison-section {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }

        .comparison-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(13, 110, 253, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .comparison-section .section-title {
            color: #fff;
        }

        .comparison-section .section-subtitle {
            color: #94a3b8;
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .comparison-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition);
        }

        .comparison-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.15);
        }

        .comparison-card h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-card h3 i {
            color: var(--secondary);
        }

        .comparison-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            color: #cbd5e1;
            font-size: 14px;
            line-height: 1.6;
        }

        .comparison-card ul li i {
            color: var(--secondary);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            transition: color var(--transition);
            gap: 16px;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: all var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA Form ========== */
        .cta-section {
            background: linear-gradient(135deg, #ffffff 0%, #f0f6ff 100%);
            border-radius: var(--radius-xl);
            padding: 48px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text);
            letter-spacing: -0.5px;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .cta-info .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .cta-info .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .cta-info .cta-benefits li i {
            color: var(--secondary);
        }

        .cta-form {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .cta-form h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
        }

        .cta-form .form-group {
            margin-bottom: 16px;
        }

        .cta-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text);
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
            font-family: var(--font-sans);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
            background: #fff;
        }

        .cta-form .form-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            padding: 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            transition: all var(--transition);
            cursor: pointer;
        }

        .cta-form .form-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: #cbd5e1;
            padding: 60px 0 30px;
            margin-top: 60px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-name {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .brand-name span {
            color: var(--primary);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: #94a3b8;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #94a3b8;
            font-size: 14px;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: #64748b;
        }

        .footer-bottom .footer-links {
            margin-bottom: 10px;
        }

        .footer-bottom .footer-links a {
            color: #94a3b8;
            font-size: 13px;
            transition: color var(--transition);
        }

        .footer-bottom .footer-links a:hover {
            color: var(--primary);
        }

        .footer-bottom p {
            margin: 4px 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .metrics-board {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }

            .group-hero .group-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .cta-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-inner {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .masthead-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .masthead-nav {
                width: 100%;
                gap: 2px;
            }

            .masthead-nav a {
                font-size: 13px;
                padding: 5px 10px;
            }

            .masthead-search {
                width: 100%;
            }

            .masthead-search input {
                width: 100%;
            }

            .nav-toggle {
                display: block;
                position: absolute;
                top: 18px;
                right: 20px;
            }

            .masthead-nav {
                display: none;
            }

            .masthead-nav.show {
                display: flex;
                flex-direction: column;
                width: 100%;
                align-items: flex-start;
            }

            .masthead-nav.show a {
                width: 100%;
                text-align: left;
                padding: 10px 14px;
            }

            .page-banner h1 {
                font-size: 28px;
            }

            .page-banner .lead {
                font-size: 15px;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .metrics-board {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .group-hero {
                padding: 30px 24px;
            }

            .group-hero h2 {
                font-size: 26px;
            }

            .group-hero .button-group {
                flex-direction: column;
            }

            .group-hero .btn-primary,
            .group-hero .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .service-matrix {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .comparison-section {
                padding: 30px 24px;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-section {
                padding: 30px 24px;
            }

            .cta-form {
                padding: 20px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 24px;
            }

            .section-title {
                font-size: 21px;
            }

            .group-hero h2 {
                font-size: 22px;
            }

            .metric-card .metric-value {
                font-size: 26px;
            }

            .comparison-section {
                padding: 24px 18px;
            }

            .cta-section {
                padding: 24px 18px;
            }

            .masthead-brand .brand-name {
                font-size: 22px;
            }
        }