/* roulang page: index */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #FFFFFF;
            --bg-alt: #F8FAFC;
            --text: #1E293B;
            --text-secondary: #64748B;
            --text-muted: #94A3B8;
            --border: #CBD5E1;
            --border-light: #E2E8F0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --transition: 0.2s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0.75rem 1rem;
            font-size: 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fff;
            width: 100%;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 2rem;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-text:hover {
            color: var(--primary-dark);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }
        .nav-menu a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0.85rem;
            right: 0.85rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            margin-left: 0.3rem;
            letter-spacing: 0.02em;
        }
        .chip-warmup {
            background: #F97316;
        }
        .chip-live {
            background: #10B981;
        }
        .chip-replay {
            background: #6B7280;
        }
        .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .nav-chips-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            color: var(--text);
            font-size: 1.5rem;
            line-height: 1;
        }
        @media (max-width: 1024px) {
            .nav-menu {
                gap: 0;
            }
            .nav-menu a {
                padding: 0.4rem 0.55rem;
                font-size: 0.85rem;
            }
            .nav-chips-group {
                gap: 0.3rem;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 0.25rem 0.5rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-menu-wrapper {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
                padding: 1rem;
                display: none;
                flex-direction: column;
                gap: 0.5rem;
                z-index: 49;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .nav-menu-wrapper.open {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                gap: 0.25rem;
                width: 100%;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius);
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-chips-group {
                flex-wrap: wrap;
                padding: 0.5rem 0;
                gap: 0.4rem;
            }
            .nav-inner {
                height: 56px;
            }
        }

        /* Section spacing */
        .section-padding {
            padding: 5rem 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
        }
        .section-padding-sm {
            padding: 3.5rem 0;
        }
        @media (max-width: 768px) {
            .section-padding-sm {
                padding: 2.5rem 0;
            }
        }

        /* Hero */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, #1a365d 0%, #1E4E8C 40%, #2B6CB0 70%, #1a365d 100%);
            overflow: hidden;
            padding-top: 64px;
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            width: 100%;
            padding: 4rem 0;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            line-height: 1.6;
            max-width: 480px;
        }
        .hero-cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.01em;
            transition: all var(--transition);
            white-space: nowrap;
            gap: 0.5rem;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-primary {
            background: var(--accent);
            color: #1a1a1a;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.55);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(4px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: #fff;
            transform: translateY(-1px);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }
        .hero-group-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: var(--shadow-xl);
            backdrop-filter: blur(8px);
        }
        .group-progress-bar {
            height: 10px;
            border-radius: 5px;
            background: #E2E8F0;
            overflow: hidden;
            margin: 1rem 0;
        }
        .group-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #F59E0B, #F97316);
            border-radius: 5px;
            transition: width 0.6s ease;
        }
        .group-stats {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }
        .group-stat {
            text-align: center;
        }
        .group-stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }
        .group-stat-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .hero-data-row {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }
        .hero-data-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
        }
        .hero-data-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10B981;
            animation: pulse-dot 2s infinite;
        }

        /* Section titles */
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 0.35rem 0.9rem;
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 0.75rem;
            text-transform: uppercase;
        }
        .section-heading {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        @media (max-width: 768px) {
            .section-heading {
                font-size: 1.5rem;
            }
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 1.5rem;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: #cbd5e1;
        }
        .card-img {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 1rem;
        }
        .card-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.04);
        }

        /* Guarantee icon strip */
        .guarantee-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            align-items: center;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.75rem 1.2rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text);
            border: 1px solid var(--border-light);
        }
        .guarantee-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .gi-blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .gi-orange {
            background: #FFF7ED;
            color: #F97316;
        }
        .gi-green {
            background: #ECFDF5;
            color: #10B981;
        }

        /* Progress / Task */
        .task-progress-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 700px;
            margin: 0 auto;
        }
        .task-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.2rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .task-item.completed {
            border-left: 4px solid #10B981;
            background: #F0FDF4;
        }
        .task-item.active {
            border-left: 4px solid var(--accent);
            background: #FFFBEB;
        }
        .task-check {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .task-check.done {
            background: #10B981;
            color: #fff;
        }
        .task-check.current {
            background: var(--accent);
            color: #fff;
            animation: pulse-dot 2s infinite;
        }
        .task-check.pending {
            background: #E2E8F0;
            color: #94A3B8;
        }

        /* Timeline */
        .timeline-vertical {
            position: relative;
            padding-left: 2.5rem;
            max-width: 700px;
            margin: 0 auto;
        }
        .timeline-vertical::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), var(--accent), #10B981);
            border-radius: 3px;
        }
        .timeline-node {
            position: relative;
            margin-bottom: 2rem;
            padding-left: 1.5rem;
        }
        .timeline-node::before {
            content: '';
            position: absolute;
            left: -2.1rem;
            top: 0.35rem;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--primary);
            z-index: 1;
        }
        .timeline-node:nth-child(even)::before {
            border-color: var(--accent);
        }
        .timeline-date {
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .timeline-title {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text);
            margin: 0.2rem 0 0.3rem;
        }
        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 0.75rem;
            background: #fff;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            border: none;
            cursor: pointer;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-icon {
            font-size: 1.3rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.2rem;
        }

        /* News list */
        .news-list-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
            align-items: flex-start;
        }
        .news-list-item:hover {
            background: var(--bg-alt);
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
            min-width: 80px;
            padding-top: 0.15rem;
        }
        .news-content h4 {
            margin: 0 0 0.3rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
        }
        .news-content p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .news-link {
            display: inline-block;
            margin-top: 0.4rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }
        .news-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .news-list-item {
                flex-direction: column;
                gap: 0.4rem;
            }
            .news-date {
                min-width: auto;
            }
        }

        /* Footer */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 3rem 0 2rem;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .footer-links h5 {
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.75rem;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.4rem;
        }
        .footer-links a {
            color: #CBD5E1;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: #94A3B8;
        }
        .footer-bottom a {
            color: #CBD5E1;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* Misc */
        .bg-alt {
            background: var(--bg-alt);
        }
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }
        .font-bold {
            font-weight: 700;
        }
        .stat-big {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }
        @media (max-width: 768px) {
            .stat-big {
                font-size: 1.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #FFFFFF;
            --bg-alt: #F8FAFC;
            --text: #1E293B;
            --text-secondary: #64748B;
            --text-muted: #94A3B8;
            --border: #CBD5E1;
            --border-light: #E2E8F0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --transition: 0.2s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

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

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0.75rem 1rem;
            font-size: 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fff;
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 2rem;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-text:hover {
            color: var(--primary-dark);
        }

        .nav-menu-wrapper {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }

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

        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0.85rem;
            right: 0.85rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .nav-chips-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .chip-warmup {
            background: #F97316;
        }

        .chip-live {
            background: #10B981;
        }

        .chip-replay {
            background: #6B7280;
        }

        .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            color: var(--text);
            font-size: 1.5rem;
            line-height: 1;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            padding: 1rem 0;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--border);
            user-select: none;
        }

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

        /* Hero Banner */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #1a3c5e 0%, #1E4E8C 40%, #2B6CB0 100%);
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            padding: 3rem 0;
            width: 100%;
        }

        .category-hero .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
        }

        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem 0;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        .category-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 640px;
            line-height: 1.7;
        }

        .category-hero .hero-cta-row {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: var(--shadow);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        /* Section */
        .section {
            padding: 5rem 0;
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 0.75rem 0;
            text-align: center;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 3rem auto;
            line-height: 1.7;
        }

        /* Card */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 1.5rem;
            transition: all var(--transition);
            overflow: hidden;
        }

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

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius);
            margin-bottom: 1rem;
        }

        .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .card-tag.accent {
            background: #FEF3C7;
            color: var(--accent-dark);
        }

        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0.5rem 0;
            color: var(--text);
            line-height: 1.4;
        }

        .card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Feature grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem auto;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.5rem 0;
            color: var(--text);
        }

        .feature-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Deep content */
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .deep-content-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 1rem 0;
            color: var(--text);
            line-height: 1.3;
        }

        .deep-content-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 1rem 0;
        }

        .deep-content-img {
            width: 100%;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .deep-content-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Stats row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.35rem;
        }

        .stat-item .stat-unit {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--accent);
        }

        /* Events grid */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        /* Steps */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .step-card {
            text-align: center;
            position: relative;
            padding: 2rem 1rem;
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem auto;
            position: relative;
            z-index: 2;
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 0.5rem 0;
            color: var(--text);
        }

        .step-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .steps-row::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--border-light);
            z-index: 1;
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--primary);
            transition: all var(--transition);
        }

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

        .scenario-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 0.75rem 0;
            color: var(--text);
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

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

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
            gap: 1rem;
        }

        .faq-question:hover {
            background: var(--bg-alt);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            transition: all var(--transition);
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.25rem 1.5rem;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a3c5e 0%, #1E4E8C 60%, #2B6CB0 100%);
            color: #fff;
            text-align: center;
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 1rem 0;
            color: #fff;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 2rem auto;
            line-height: 1.7;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            padding: 0.85rem 2rem;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
            white-space: nowrap;
            cursor: pointer;
            border: none;
        }

        .btn-cta:hover {
            background: var(--accent-dark);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
        }

        .btn-cta:active {
            transform: scale(0.98);
        }

        /* Footer */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .footer-links h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 0.75rem 0;
        }

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

        .footer-links ul li {
            margin-bottom: 0.4rem;
        }

        .footer-links ul li a {
            color: #94A3B8;
            transition: color var(--transition);
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            font-size: 0.8rem;
            color: #94A3B8;
        }

        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .deep-content-img {
                order: -1;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row::before {
                display: none;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .nav-menu a {
                padding: 0.4rem 0.55rem;
                font-size: 0.85rem;
            }
            .nav-chips-group {
                gap: 0.3rem;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 0.25rem 0.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu-wrapper {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
                display: none;
                z-index: 49;
                gap: 0.5rem;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .nav-menu-wrapper.open {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                width: 100%;
                gap: 0;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 1rem;
                border-radius: var(--radius);
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-menu a.active {
                background: var(--primary-light);
            }
            .nav-chips-group {
                flex-wrap: wrap;
                justify-content: center;
                width: 100%;
                padding-top: 0.5rem;
            }
            .mobile-menu-btn {
                display: block;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .category-hero {
                min-height: 260px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .deep-content-text h2 {
                font-size: 1.4rem;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .container-custom {
                padding: 0 1rem;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .category-hero h1 {
                font-size: 1.35rem;
            }
            .hero-cta-row {
                flex-direction: column;
            }
            .hero-cta-row .btn-primary,
            .hero-cta-row .btn-outline {
                width: 100%;
                text-align: center;
            }
            .card-img {
                height: 160px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #FFFFFF;
            --bg-alt: #F8FAFC;
            --text: #1E293B;
            --text-secondary: #64748B;
            --text-muted: #94A3B8;
            --border: #CBD5E1;
            --border-light: #E2E8F0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --transition: 0.2s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0.75rem 1rem;
            font-size: 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fff;
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 2rem;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-text:hover {
            color: var(--primary-dark);
        }

        .nav-menu-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex: 1;
            justify-content: flex-end;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }

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

        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0.85rem;
            right: 0.85rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            margin-left: 0.3rem;
            letter-spacing: 0.02em;
        }

        .chip-warmup {
            background: #F97316;
        }

        .chip-live {
            background: #10B981;
        }

        .chip-replay {
            background: #6B7280;
        }

        .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .nav-chips-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            color: var(--text);
            font-size: 1.5rem;
            line-height: 1;
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.875rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* Hero Bento */
        .hero-bento {
            padding: 5rem 0 4rem;
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
            gap: 1.25rem;
            min-height: 520px;
        }

        .hero-bento-main {
            grid-row: 1 / 3;
            background: linear-gradient(135deg, #1a365d 0%, #2B6CB0 40%, #1E4E8C 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            min-height: 400px;
        }

        .hero-bento-main::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-bento-main::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-bento-main>* {
            position: relative;
            z-index: 1;
        }

        .hero-bento-main .hero-label {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1.5rem;
            width: fit-content;
            backdrop-filter: blur(4px);
        }
        .hero-bento-main h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin: 0 0 1rem;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }
        .hero-bento-main .hero-subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            line-height: 1.6;
            max-width: 540px;
        }
        .hero-bento-main .hero-cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: #1a1a1a;
            padding: 0.85rem 1.75rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 0.85rem 1.75rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .hero-bento-sub {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: all var(--transition);
            cursor: default;
        }
        .hero-bento-sub:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .hero-bento-sub .sub-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
        }
        .hero-bento-sub .sub-icon.live-icon {
            background: #FEF2F2;
            color: #EF4444;
        }
        .hero-bento-sub .sub-icon.schedule-icon {
            background: #EFF6FF;
            color: #3B82F6;
        }
        .hero-bento-sub .sub-info h4 {
            margin: 0 0 0.25rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
        }
        .hero-bento-sub .sub-info p {
            margin: 0;
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.4;
        }
        .hero-bento-sub .sub-info .live-badge {
            display: inline-block;
            background: #EF4444;
            color: #fff;
            padding: 0.15rem 0.5rem;
            border-radius: 10px;
            font-size: 0.7rem;
            font-weight: 700;
            animation: pulse-dot 1.5s infinite;
        }

        /* Section */
        .section {
            padding: 5rem 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.75rem;
            color: var(--text);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            text-align: center;
            color: var(--text-secondary);
            margin-bottom: 3rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Stats row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-card {
            text-align: center;
            padding: 2rem 1.5rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 0.5rem;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Tournament cards */
        .tournament-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .tournament-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .tournament-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .tournament-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: #E2E8F0;
        }
        .tournament-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .tournament-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .tournament-card .card-img-wrap .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.3rem 0.7rem;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            color: #fff;
            z-index: 2;
        }
        .badge-live {
            background: #EF4444;
            animation: pulse-dot 1.5s infinite;
        }
        .badge-upcoming {
            background: #F97316;
        }
        .badge-ended {
            background: #6B7280;
        }
        .tournament-card .card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tournament-card .card-body h3 {
            margin: 0 0 0.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }
        .tournament-card .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
        }
        .tournament-card .card-body .card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }
        .tournament-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .tournament-card .card-body .card-link:hover {
            color: var(--primary-dark);
        }
        .tournament-card .card-body .card-link .arrow {
            transition: transform var(--transition);
        }
        .tournament-card .card-body .card-link:hover .arrow {
            transform: translateX(4px);
        }

        /* Deep content */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .deep-content .deep-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            color: var(--text);
            line-height: 1.3;
        }
        .deep-content .deep-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
        .deep-content .deep-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #E2E8F0;
        }
        .deep-content .deep-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 2rem 1.25rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 0.5rem;
            color: var(--text);
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Team highlight */
        .team-highlight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }
        .team-highlight-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            box-shadow: var(--shadow);
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            transition: all var(--transition);
        }
        .team-highlight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .team-highlight-card .team-img {
            width: 72px;
            height: 72px;
            border-radius: var(--radius);
            overflow: hidden;
            flex-shrink: 0;
            background: #E2E8F0;
        }
        .team-highlight-card .team-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .team-highlight-card .team-info h4 {
            margin: 0 0 0.35rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
        }
        .team-highlight-card .team-info .team-stat {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .team-highlight-card .team-info .team-stat strong {
            color: var(--accent);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            background: none;
            padding: 1.25rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition);
            gap: 1rem;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            transition: all var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 0 1.25rem;
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a365d 0%, #2B6CB0 50%, #1E4E8C 100%);
            padding: 4rem 0;
            text-align: center;
            color: #fff;
            border-radius: var(--radius-xl);
            margin: 0 1.5rem 5rem;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 2rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 3rem 0 2rem;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .site-footer .footer-links h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }
        .site-footer .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links ul li {
            margin-bottom: 0.5rem;
        }
        .site-footer .footer-links ul li a {
            color: #94A3B8;
            transition: color var(--transition);
            font-size: 0.85rem;
        }
        .site-footer .footer-links ul li a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: #94A3B8;
        }
        .site-footer .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition);
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
                min-height: auto;
            }
            .hero-bento-main {
                grid-row: auto;
                min-height: 320px;
                padding: 2.5rem 1.5rem;
            }
            .hero-bento-main h1 {
                font-size: 2rem;
            }
            .hero-bento-sub {
                flex-direction: row;
            }
            .tournament-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .team-highlight-grid {
                grid-template-columns: 1fr;
            }
            .nav-chips-group {
                display: none;
            }
            .nav-menu a {
                padding: 0.4rem 0.55rem;
                font-size: 0.85rem;
            }
            .cta-section {
                margin: 0 1rem 4rem;
                border-radius: var(--radius-lg);
            }
        }

        @media (max-width: 768px) {
            .nav-menu-wrapper {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                z-index: 49;
            }
            .nav-menu-wrapper.open {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                width: 100%;
                gap: 0;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.75rem 1rem;
                font-size: 0.95rem;
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-menu a.active {
                background: var(--primary-light);
                border-radius: var(--radius);
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-chips-group {
                display: flex;
                flex-wrap: wrap;
                padding: 0.75rem 0;
                gap: 0.4rem;
            }
            .tournament-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-bento-main h1 {
                font-size: 1.6rem;
            }
            .hero-bento-main .hero-subtitle {
                font-size: 0.95rem;
            }
            .cta-section {
                padding: 3rem 1.5rem;
                margin: 0 0.5rem 3rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 0.75rem;
            }
            .hero-bento-main {
                padding: 2rem 1rem;
                min-height: 280px;
            }
            .hero-bento-main h1 {
                font-size: 1.4rem;
            }
            .hero-bento-sub {
                padding: 1rem;
                gap: 0.75rem;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 0.7rem 1.25rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #FFFFFF;
            --bg-alt: #F8FAFC;
            --text: #1E293B;
            --text-secondary: #64748B;
            --text-muted: #94A3B8;
            --border: #CBD5E1;
            --border-light: #E2E8F0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --transition: 0.2s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0.75rem 1rem;
            font-size: 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fff;
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 2rem;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-text:hover {
            color: var(--primary-dark);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }

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

        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0.85rem;
            right: 0.85rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            margin-left: 0.3rem;
            letter-spacing: 0.02em;
        }

        .chip-warmup {
            background: #F97316;
        }

        .chip-live {
            background: #10B981;
        }

        .chip-replay {
            background: #6B7280;
        }

        .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .nav-chips-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            color: var(--text);
            font-size: 1.5rem;
            line-height: 1;
        }

        .nav-menu-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        /* Footer */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #334155;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .footer-links h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #E2E8F0;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

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

        .footer-links ul li {
            margin-bottom: 0.4rem;
        }

        .footer-links ul li a {
            font-size: 0.85rem;
            color: #94A3B8;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.5rem;
            font-size: 0.8rem;
            color: #94A3B8;
            gap: 0.75rem;
        }

        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition);
        }

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

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 0.5rem 0;
            flex-wrap: wrap;
        }

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

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

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

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* Hero - 白皮书获客风格 */
        .hero-whitepaper {
            background: linear-gradient(135deg, #f0f6fc 0%, #e8f0f8 30%, #f8fafc 60%, #fef9f0 100%);
            border-radius: var(--radius-xl);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-lg);
            margin-top: 0.5rem;
        }

        .hero-whitepaper::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(43, 108, 176, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-whitepaper::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* Card Hover */
        .card-hover {
            transition: box-shadow var(--transition), transform var(--transition);
            border-radius: var(--radius-lg);
            background: #fff;
            box-shadow: var(--shadow);
        }

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

        /* FAQ Accordion */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            background: #fff;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            padding: 1.25rem 1.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            cursor: pointer;
            gap: 1rem;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            transition: transform var(--transition), background var(--transition), color var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

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

        .faq-item.active .faq-answer {
            max-height: 600px;
        }

        .faq-answer-inner {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* Button Styles */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(43, 108, 176, 0.25);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(43, 108, 176, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
            transition: transform 0.1s ease;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 0.7rem 1.4rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--primary-light);
        }

        .btn-outline:active {
            transform: scale(0.98);
            transition: transform 0.1s ease;
        }

        /* Section spacing */
        .section-spacing {
            padding: 4rem 0;
        }

        /* Stat number */
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        /* Tag / Badge */
        .tag-badge {
            display: inline-block;
            padding: 0.25rem 0.65rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .tag-accent {
            background: #FEF3C7;
            color: #B45309;
        }

        .tag-primary {
            background: var(--primary-light);
            color: var(--primary);
        }

        .tag-green {
            background: #D1FAE5;
            color: #065F46;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-menu a {
                padding: 0.4rem 0.55rem;
                font-size: 0.85rem;
            }
            .nav-chips-group {
                gap: 0.3rem;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 0.2rem 0.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu-wrapper {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                gap: 0.5rem;
                z-index: 49;
            }
            .nav-menu-wrapper.open {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                width: 100%;
                gap: 0.15rem;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.65rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius);
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-menu a.active {
                background: var(--primary-light);
                border-radius: var(--radius);
            }
            .nav-chips-group {
                flex-wrap: wrap;
                padding: 0.5rem 0;
                gap: 0.4rem;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-inner {
                height: 56px;
                gap: 1rem;
            }
            .hero-whitepaper .grid {
                grid-template-columns: 1fr !important;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
            .section-spacing {
                padding: 2.5rem 0;
            }
            .stat-number {
                font-size: 1.75rem;
            }
            .container-custom {
                padding: 0 1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-whitepaper {
                border-radius: var(--radius-lg);
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                text-align: center;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #FFFFFF;
            --bg-alt: #F8FAFC;
            --text: #1E293B;
            --text-secondary: #64748B;
            --text-muted: #94A3B8;
            --border: #CBD5E1;
            --border-light: #E2E8F0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --transition: 0.2s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0.75rem 1rem;
            font-size: 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fff;
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 2rem;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-text:hover {
            color: var(--primary-dark);
        }

        .nav-menu-wrapper {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex: 1;
            justify-content: flex-end;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }

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

        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0.85rem;
            right: 0.85rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .nav-chips-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .chip-warmup {
            background: #F97316;
        }

        .chip-live {
            background: #10B981;
        }

        .chip-replay {
            background: #6B7280;
        }

        .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            color: var(--text);
            font-size: 1.5rem;
            line-height: 1;
        }

        @media (max-width: 1024px) {
            .nav-menu a {
                padding: 0.4rem 0.55rem;
                font-size: 0.85rem;
            }
            .nav-chips-group {
                gap: 0.3rem;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 0.25rem 0.5rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-menu-wrapper {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem 1.5rem;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
                gap: 0.75rem;
                z-index: 49;
            }
            .nav-menu-wrapper.open {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                width: 100%;
                gap: 0.25rem;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 1rem;
                justify-content: flex-start;
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-menu a.active {
                background: var(--primary-light);
                border-radius: var(--radius);
            }
            .nav-chips-group {
                flex-wrap: wrap;
                width: 100%;
                gap: 0.4rem;
                padding-top: 0.5rem;
                border-top: 1px solid var(--border-light);
            }
            .nav-inner {
                gap: 1rem;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1.25rem 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* Page header */
        .page-header {
            padding: 0 0 2rem 0;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 2rem;
        }
        .page-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 0.75rem 0;
            letter-spacing: -0.02em;
        }
        .page-header .intro-text {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 800px;
        }

        /* Tags bar */
        .tags-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 2rem;
            align-items: center;
        }
        .tags-bar .tag-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            margin-right: 0.25rem;
        }
        .tags-bar .tag {
            display: inline-block;
            padding: 0.4rem 0.9rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .tags-bar .tag:hover {
            background: #d6e8f9;
            border-color: var(--primary);
        }
        .tags-bar .tag.accent-tag {
            background: #FFF7ED;
            color: #EA580C;
            border-color: #FED7AA;
        }
        .tags-bar .tag.accent-tag:hover {
            background: #FFEDD5;
            border-color: #F97316;
        }

        /* Live chip indicator */
        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            background: #ECFDF5;
            color: #059669;
            font-weight: 600;
            font-size: 0.85rem;
            margin-left: auto;
            white-space: nowrap;
        }
        .live-indicator .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10B981;
            animation: pulse-dot 1.5s infinite;
        }

        /* Article grid */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
            margin-bottom: 2.5rem;
        }
        @media (max-width: 1024px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .articles-grid {
                grid-template-columns: 1fr;
            }
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .article-card .card-image {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #E2E8F0;
        }
        .article-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-card:hover .card-image img {
            transform: scale(1.04);
        }
        .article-card .card-image .card-category-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--accent);
            color: #fff;
            padding: 0.25rem 0.65rem;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.03em;
        }
        .article-card .card-body {
            padding: 1.3rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }
        .article-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 0.6rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-title a {
            color: inherit;
            transition: color var(--transition);
        }
        .article-card .card-title a:hover {
            color: var(--primary);
        }
        .article-card .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
        }
        .article-card .card-readmore {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: color var(--transition);
            margin-top: auto;
        }
        .article-card .card-readmore:hover {
            color: var(--primary-dark);
        }
        .article-card .card-readmore .arrow-icon {
            transition: transform var(--transition);
            display: inline-block;
        }
        .article-card .card-readmore:hover .arrow-icon {
            transform: translateX(3px);
        }

        /* Pagination */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.5rem;
            padding: 2rem 0 3rem;
            flex-wrap: wrap;
        }
        .pagination .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 0.75rem;
            border-radius: var(--radius);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text);
            background: #fff;
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }
        .pagination .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .pagination .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }
        .pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: default;
        }

        /* Section: methodology teaser */
        .methodology-section {
            background: var(--bg-alt);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            margin-bottom: 2.5rem;
            border: 1px solid var(--border-light);
        }
        .methodology-section h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 1rem 0;
        }
        .methodology-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0 0 0.75rem 0;
        }
        .methodology-section .highlight-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }
        .methodology-section .stat-item {
            text-align: center;
            min-width: 100px;
        }
        .methodology-section .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .methodology-section .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        /* Footer */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .footer-links h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #F1F5F9;
            margin: 0 0 0.75rem 0;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.4rem;
        }
        .footer-links a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: #94A3B8;
        }
        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }

        /* Page offset for fixed header */
        .page-offset {
            padding-top: 80px;
        }
        @media (max-width: 768px) {
            .page-offset {
                padding-top: 72px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #FFFFFF;
            --bg-alt: #F8FAFC;
            --text: #1E293B;
            --text-secondary: #64748B;
            --text-muted: #94A3B8;
            --border: #CBD5E1;
            --border-light: #E2E8F0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --transition: 0.2s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            --hero-dark: #0B1121;
            --hero-card-bg: rgba(255, 255, 255, 0.04);
            --hero-border: rgba(255, 255, 255, 0.08);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0.75rem 1rem;
            font-size: 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fff;
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 2rem;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-text:hover {
            color: var(--primary-dark);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }

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

        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0.85rem;
            right: 0.85rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            margin-left: 0.3rem;
            letter-spacing: 0.02em;
        }

        .chip-warmup {
            background: #F97316;
        }

        .chip-live {
            background: #10B981;
        }

        .chip-replay {
            background: #6B7280;
        }

        .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .nav-chips-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            color: var(--text);
            font-size: 1.5rem;
            line-height: 1;
        }

        @media (max-width: 1024px) {
            .nav-menu {
                gap: 0;
            }
            .nav-menu a {
                padding: 0.4rem 0.55rem;
                font-size: 0.85rem;
            }
            .nav-chips-group {
                gap: 0.3rem;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 0.25rem 0.5rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-menu-wrapper {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                padding: 1rem;
                flex-direction: column;
                z-index: 49;
            }
            .nav-menu-wrapper.open {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                width: 100%;
                gap: 0.5rem;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 1rem;
                border-radius: var(--radius);
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-chips-group {
                flex-wrap: wrap;
                margin-top: 0.5rem;
                padding-top: 0.5rem;
                border-top: 1px solid var(--border-light);
            }
            .nav-inner {
                height: 56px;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: var(--border);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* Hero - Dark Immersive */
        .hero-dark {
            background: var(--hero-dark);
            background-image:
                radial-gradient(ellipse at 30% 20%, rgba(43, 108, 176, 0.25) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(245, 158, 11, 0.15) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
            min-height: 520px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 6rem 0 4rem;
            margin-top: 64px;
        }
        .hero-dark::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(255, 255, 255, 0.008) 40px, rgba(255, 255, 255, 0.008) 41px),
                repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255, 255, 255, 0.008) 40px, rgba(255, 255, 255, 0.008) 41px);
            pointer-events: none;
            z-index: 0;
        }
        .hero-dark .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-dark .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 1.25rem;
            letter-spacing: -0.02em;
        }
        .hero-dark .hero-text h1 .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-dark .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: #B0BEC5;
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 480px;
        }
        .hero-dark .hero-badges {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }
        .hero-dark .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #E2E8F0;
            backdrop-filter: blur(4px);
        }
        .hero-dark .hero-badge.live-badge {
            background: rgba(16, 185, 129, 0.2);
            border-color: rgba(16, 185, 129, 0.4);
            color: #34D399;
        }
        .hero-dark .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #34D399;
            animation: pulse-dot 1.5s infinite;
        }
        .hero-dark .hero-cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .hero-dark .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(43, 108, 176, 0.4);
        }
        .hero-dark .btn-primary-hero:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(43, 108, 176, 0.55);
            transform: translateY(-1px);
        }
        .hero-dark .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: #E2E8F0;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition);
        }
        .hero-dark .btn-outline-hero:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .hero-dark .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-dark .hero-visual-card {
            background: var(--hero-card-bg);
            border: 1px solid var(--hero-border);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            backdrop-filter: blur(8px);
            width: 100%;
            max-width: 420px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }
        .hero-dark .hero-visual-card .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: #CBD5E1;
            font-size: 0.9rem;
        }
        .hero-dark .hero-visual-card .data-row .rank-num {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.1rem;
        }
        .hero-dark .hero-visual-card .data-row .team-name {
            font-weight: 500;
            color: #F1F5F9;
        }
        .hero-dark .hero-visual-card .data-row .points {
            font-weight: 600;
            color: #fff;
        }
        .hero-dark .hero-visual-card .card-title-sm {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: #94A3B8;
            margin-bottom: 0.75rem;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .hero-dark {
                min-height: auto;
                padding: 5rem 0 2.5rem;
                margin-top: 56px;
            }
            .hero-dark .hero-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .hero-dark .hero-text h1 {
                font-size: 2rem;
            }
            .hero-dark .hero-text .hero-subtitle {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-dark .hero-visual-card {
                max-width: 100%;
            }
            .hero-dark .hero-cta-group {
                flex-direction: column;
            }
            .hero-dark .btn-primary-hero,
            .hero-dark .btn-outline-hero {
                justify-content: center;
                text-align: center;
            }
        }

        /* Section common */
        .section {
            padding: 5rem 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 3rem;
        }
        .section-header.centered {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-header.centered .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 2rem;
            }
        }

        /* Stats highlight row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-card {
            text-align: center;
            padding: 2rem 1.5rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }
        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 0.4rem;
        }
        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-card .stat-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-card {
                padding: 1.25rem 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
        }

        /* Ranking type cards - asymmetric grid */
        .ranking-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 1.5rem;
        }
        .ranking-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .ranking-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .ranking-card.featured {
            grid-row: span 2;
        }
        .ranking-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: #E2E8F0;
        }
        .ranking-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .ranking-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .ranking-card .card-img-wrap .card-tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            padding: 0.3rem 0.75rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .ranking-card .card-body {
            padding: 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .ranking-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .ranking-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .ranking-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 0.75rem;
            transition: gap var(--transition);
        }
        .ranking-card .card-body .card-link:hover {
            gap: 0.6rem;
            color: var(--primary-dark);
        }

        @media (max-width: 1024px) {
            .ranking-grid {
                grid-template-columns: 1fr 1fr;
            }
            .ranking-card.featured {
                grid-row: span 1;
            }
        }
        @media (max-width: 600px) {
            .ranking-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Dual column block */
        .dual-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .dual-block .dual-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 1rem;
        }
        .dual-block .dual-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
        .dual-block .dual-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .dual-block .dual-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        @media (max-width: 768px) {
            .dual-block {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .dual-block .dual-text h2 {
                font-size: 1.4rem;
            }
        }

        /* Process timeline */
        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }
        .process-item {
            text-align: center;
            position: relative;
            padding: 2rem 1rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .process-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .process-item .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }
        .process-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .process-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .process-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }
        @media (max-width: 480px) {
            .process-list {
                grid-template-columns: 1fr;
            }
        }

        /* Dark CTA block */
        .cta-dark-block {
            background: #0F172A;
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 2rem;
            align-items: center;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-dark-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(43, 108, 176, 0.3) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-dark-block .cta-dark-text {
            position: relative;
            z-index: 1;
        }
        .cta-dark-block .cta-dark-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .cta-dark-block .cta-dark-text p {
            color: #B0BEC5;
            font-size: 1rem;
            line-height: 1.7;
            max-width: 500px;
        }
        .cta-dark-block .cta-dark-btn {
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2.5rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1.05rem;
            background: var(--accent);
            color: #1E293B;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }
        .cta-dark-block .cta-dark-btn:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
            transform: translateY(-1px);
        }

        @media (max-width: 768px) {
            .cta-dark-block {
                grid-template-columns: 1fr;
                text-align: center;
                padding: 2rem 1.5rem;
            }
            .cta-dark-block .cta-dark-text p {
                max-width: 100%;
            }
            .cta-dark-block .cta-dark-btn {
                justify-content: center;
                width: 100%;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.25rem 1.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            background: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            cursor: pointer;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            transition: all var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.5rem;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .footer-links h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #F1F5F9;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 0.4rem;
        }
        .footer-links ul li a {
            color: #94A3B8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: #94A3B8;
        }
        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
            transition: transform 0.1s ease;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            transition: all var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }
        .btn-outline:active {
            transform: scale(0.98);
            transition: transform 0.1s ease;
        }

        /* Scene list */
        .scene-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .scene-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .scene-card .scene-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
        }
        .scene-card .scene-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.35rem;
        }
        .scene-card .scene-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .scene-list {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .scene-list {
                grid-template-columns: 1fr;
            }
        }

        /* Quality assurance block */
        .quality-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .quality-block .quality-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.75rem;
        }
        .quality-block .quality-text p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0.75rem;
        }
        .quality-block .quality-check-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .quality-block .quality-check-list li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 0;
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
        }
        .quality-block .quality-check-list li::before {
            content: '✓';
            color: #10B981;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .quality-block .quality-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .quality-block .quality-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        @media (max-width: 768px) {
            .quality-block {
                grid-template-columns: 1fr;
                padding: 1.5rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1E4E8C;
            --primary-light: #EBF4FF;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg: #FFFFFF;
            --bg-alt: #F8FAFC;
            --text: #1E293B;
            --text-secondary: #64748B;
            --text-muted: #94A3B8;
            --border: #CBD5E1;
            --border-light: #E2E8F0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --transition: 0.2s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea,
        select {
            font-family: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0.75rem 1rem;
            font-size: 1rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fff;
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
            outline: none;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 1rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 2rem;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-text:hover {
            color: var(--primary-dark);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition), background var(--transition);
        }
        .nav-menu a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0.85rem;
            right: 0.85rem;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            margin-left: 0.3rem;
            letter-spacing: 0.02em;
        }
        .chip-warmup {
            background: #F97316;
        }
        .chip-live {
            background: #10B981;
        }
        .chip-replay {
            background: #6B7280;
        }
        .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }
        .nav-chips-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            color: var(--text);
            font-size: 1.5rem;
            line-height: 1;
        }
        .nav-menu-wrapper {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        @media (max-width: 1024px) {
            .nav-menu a {
                padding: 0.4rem 0.55rem;
                font-size: 0.85rem;
            }
            .nav-chips-group {
                gap: 0.3rem;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 0.25rem 0.5rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-menu-wrapper {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                gap: 0.5rem;
                border-top: 1px solid var(--border-light);
            }
            .nav-menu-wrapper.open {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                width: 100%;
                gap: 0.25rem;
            }
            .nav-menu a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 1rem;
                justify-content: flex-start;
            }
            .nav-menu a.active::after {
                display: none;
            }
            .nav-menu a.active {
                background: var(--primary-light);
                border-radius: var(--radius);
            }
            .nav-chips-group {
                flex-wrap: wrap;
                padding: 0.5rem 0;
                gap: 0.4rem;
                justify-content: flex-start;
                width: 100%;
            }
            .nav-inner {
                gap: 1rem;
                height: 60px;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            padding: 0.5rem 0;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero Banner - compact */
        .hero-banner {
            background: linear-gradient(135deg, #EBF4FF 0%, #F8FAFC 40%, #F0F7FF 100%);
            padding: 6rem 0 3rem;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(43, 108, 176, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner .hero-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0.5rem 0 0.75rem;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .hero-banner .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 768px) {
            .hero-banner {
                padding: 5rem 0 2rem;
            }
            .hero-banner .hero-title {
                font-size: 1.6rem;
            }
            .hero-banner .hero-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Tag chips */
        .tag-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            padding: 1.5rem 0 0.5rem;
        }
        .tag-chip {
            display: inline-block;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border-light);
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .tag-chip:hover,
        .tag-chip.active-tag {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 600;
        }

        /* Case cards grid */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 1024px) {
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .cases-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }
        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--primary-light);
        }
        .case-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f1f5f9;
        }
        .case-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .case-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .case-card .card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--accent);
            color: #fff;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .case-card .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .case-card .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }
        .case-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 0.6rem;
            line-height: 1.4;
        }
        .case-card .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 1rem;
        }
        .case-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition);
            align-self: flex-start;
            margin-top: auto;
        }
        .case-card .card-link:hover {
            gap: 0.6rem;
            color: var(--primary-dark);
        }
        .case-card .card-link .arrow {
            transition: transform var(--transition);
        }
        .case-card .card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* Section titles */
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 2rem;
            max-width: 600px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
        }

        /* Deep content */
        .deep-content-block {
            background: var(--bg-alt);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            display: flex;
            gap: 2.5rem;
            align-items: flex-start;
            border: 1px solid var(--border-light);
        }
        .deep-content-block .deep-text {
            flex: 1;
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .deep-content-block .deep-text h3 {
            font-size: 1.3rem;
            color: var(--text);
            margin: 0 0 1rem;
            font-weight: 700;
        }
        .deep-content-block .deep-text p {
            margin: 0 0 1rem;
        }
        .deep-content-block .deep-img {
            flex-shrink: 0;
            width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .deep-content-block .deep-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .deep-content-block {
                flex-direction: column-reverse;
                padding: 1.5rem;
                gap: 1.5rem;
            }
            .deep-content-block .deep-img {
                width: 100%;
                max-height: 220px;
            }
        }

        /* Stats row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            padding: 2rem 0;
            text-align: center;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
        }
        .stat-item {
            padding: 1.5rem 1rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-1px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.4rem;
            font-weight: 500;
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            padding: 1.5rem 0;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }
        @media (max-width: 480px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }
        .process-step {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.75rem;
        }
        .process-step .step-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            margin: 0 0 0.4rem;
        }
        .process-step .step-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Testimonials */
        .testimonial-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            padding: 1.5rem 0;
        }
        @media (max-width: 768px) {
            .testimonial-cards {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow);
        }
        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 1rem;
        }
        .testimonial-card .author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text);
        }
        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            padding: 1rem 0;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            gap: 1rem;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            transition: all var(--transition);
            font-weight: 700;
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 0 1.5rem 1.25rem;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, #1E4E8C 0%, #2B6CB0 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            margin: 2rem 0;
        }
        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
            color: #fff;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: #fff;
            padding: 0.8rem 2rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 2rem 1.5rem;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
        }

        /* Footer */
        .site-footer {
            background: #1E293B;
            color: #CBD5E1;
            padding: 3rem 0 0;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .footer-links h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links ul li {
            margin-bottom: 0.5rem;
        }
        .footer-links ul li a {
            color: #94A3B8;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-links ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            font-size: 0.8rem;
            color: #94A3B8;
            gap: 0.75rem;
        }
        .footer-bottom a {
            color: #94A3B8;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.5rem;
            }
        }