/* roulang page: index */
:root {
            --primary: #0f1f33;
            --primary-light: #1a3050;
            --primary-dark: #0a1522;
            --accent: #c9a96e;
            --accent-light: #d9c08a;
            --accent-dark: #b8944f;
            --bg-white: #ffffff;
            --bg-light: #f7f8fa;
            --bg-card: #ffffff;
            --bg-muted: #eef1f5;
            --text-primary: #1a1d23;
            --text-secondary: #4a4f5a;
            --text-muted: #7e8491;
            --text-light: #9ca3af;
            --border-color: #e2e5ea;
            --border-light: #eef0f3;
            --shadow-sm: 0 1px 3px rgba(15, 31, 51, 0.06);
            --shadow-md: 0 4px 16px rgba(15, 31, 51, 0.08);
            --shadow-lg: 0 8px 32px rgba(15, 31, 51, 0.12);
            --shadow-xl: 0 16px 48px rgba(15, 31, 51, 0.16);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --sidebar-width: 260px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, #0d1a2d 0%, #0f1f33 40%, #111d2b 100%);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 32px 20px 24px;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-slow);
            overflow-y: auto;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .sidebar-logo .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #1a1d23;
            font-weight: 900;
            flex-shrink: 0;
        }
        .sidebar-logo .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 16px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: 0.75;
            transition: opacity var(--transition-fast);
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #ffffff;
        }
        .sidebar-nav a:hover i {
            opacity: 1;
        }
        .sidebar-nav a.active {
            background: rgba(201, 169, 110, 0.15);
            color: var(--accent);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(201, 169, 110, 0.25);
        }
        .sidebar-nav a.active i {
            opacity: 1;
            color: var(--accent);
        }
        .sidebar-cta {
            margin-top: auto;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .sidebar-cta .btn-sidebar {
            display: block;
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            background: var(--accent);
            color: #1a1d23;
            font-weight: 600;
            text-align: center;
            font-size: 14px;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .sidebar-cta .btn-sidebar:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(201, 169, 110, 0.3);
            color: #1a1d23;
        }

        /* ========== MOBILE NAVBAR ========== */
        .navbar-mobile {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: var(--primary);
            padding: 12px 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            align-items: center;
            justify-content: space-between;
        }
        .navbar-mobile .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-mobile .mobile-logo .logo-icon-sm {
            width: 34px;
            height: 34px;
            border-radius: 5px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #1a1d23;
            font-weight: 900;
        }
        .navbar-mobile .mobile-logo span {
            font-weight: 700;
            color: #fff;
            font-size: 16px;
        }
        .navbar-mobile .btn-menu {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .navbar-mobile .btn-menu:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .offcanvas-sidebar {
            background: linear-gradient(180deg, #0d1a2d 0%, #0f1f33 40%, #111d2b 100%);
            color: #fff;
            max-width: 280px;
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px;
        }
        .offcanvas-sidebar .offcanvas-title {
            font-weight: 700;
            color: #fff;
            font-size: 17px;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 16px;
        }
        .offcanvas-sidebar .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition-fast);
            margin-bottom: 2px;
        }
        .offcanvas-sidebar .offcanvas-body a i {
            width: 18px;
            text-align: center;
            font-size: 14px;
        }
        .offcanvas-sidebar .offcanvas-body a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
        }
        .offcanvas-sidebar .offcanvas-body a.active {
            background: rgba(201, 169, 110, 0.15);
            color: var(--accent);
            font-weight: 600;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-light);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(15, 31, 51, 0.88) 0%, rgba(13, 26, 45, 0.92) 100%), url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 80px 48px 80px;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: var(--accent);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            color: var(--accent-light);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(201, 169, 110, 0.3);
        }
        .hero-title {
            font-size: clamp(32px, 4.5vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .hero-title span {
            color: var(--accent);
        }
        .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 580px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            background: var(--accent);
            color: #1a1d23;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.02em;
            border: none;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-accent:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.35);
            color: #1a1d23;
        }
        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.02em;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        /* ========== SECTION COMMONS ========== */
        .section-block {
            padding: 64px 40px;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: clamp(24px, 2.6vw, 34px);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.7;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .brand-intro-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 60px;
            background: var(--accent);
            border-radius: 0 0 4px 0;
        }
        .brand-intro-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0;
            text-indent: 2em;
        }

        /* ========== STATS CARDS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 20px;
            color: var(--accent-dark);
        }
        .stat-card .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .advantage-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            text-align: center;
        }
        .advantage-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .advantage-card .adv-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 22px;
            color: #fff;
        }
        .advantage-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== BRAND STORY ========== */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .story-image {
            height: 100%;
            min-height: 380px;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
        }
        .story-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 31, 51, 0.15) 0%, rgba(15, 31, 51, 0.35) 100%);
        }
        .story-text {
            padding: 40px 36px 40px 0;
        }
        .story-text h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .story-text p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        /* ========== FOCUS EVENTS ========== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .event-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .event-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .event-card .event-img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .event-card .event-body {
            padding: 18px 16px;
        }
        .event-card .event-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 50px;
            background: rgba(201, 169, 110, 0.15);
            color: var(--accent-dark);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .event-card h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .event-card .event-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== PARTNERS ========== */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px 36px;
            justify-content: center;
            align-items: center;
            padding: 20px 0;
        }
        .partner-item {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.02em;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            background: var(--bg-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .partner-item:hover {
            color: var(--primary);
            background: #e8ecf2;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .testimonial-card .quote-icon {
            font-size: 40px;
            color: var(--accent);
            opacity: 0.4;
            line-height: 1;
            margin-bottom: 10px;
        }
        .testimonial-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-card .t-author {
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
        }
        .testimonial-card .t-role {
            font-size: 12px;
            color: var(--text-muted);
        }
        .stars {
            color: #e8b84b;
            font-size: 13px;
            letter-spacing: 2px;
            margin-bottom: 8px;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
            background: var(--bg-white);
            padding: 18px 22px;
            border: none;
            box-shadow: none !important;
            transition: all var(--transition-fast);
            border-radius: var(--radius-md) !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--bg-white);
            color: var(--accent-dark);
            border-bottom: 1px solid var(--border-light);
        }
        .faq-accordion .accordion-button::after {
            background-size: 14px;
        }
        .faq-accordion .accordion-body {
            padding: 18px 22px 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-white);
        }
        .faq-accordion .accordion-button:hover {
            background: #fafbfc;
        }

        /* ========== NEWS ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            align-items: center;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .news-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info .news-date {
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 4px;
        }
        .news-info h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 480px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            white-space: nowrap;
            transition: all var(--transition-fast);
            padding: 8px 14px;
            border-radius: 50px;
            border: 1px solid transparent;
        }
        .btn-read-more:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(201, 169, 110, 0.06);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 52px 44px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.08);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-accent {
            position: relative;
            z-index: 1;
            font-size: 16px;
            padding: 15px 34px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 40px 24px;
            font-size: 13px;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-grid h6 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-grid a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-grid a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-block {
                padding: 48px 28px;
            }
            .hero-section {
                padding: 60px 32px;
                min-height: 460px;
            }
        }
        @media (max-width: 991px) {
            .sidebar {
                display: none !important;
            }
            .navbar-mobile {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 62px;
            }
            .story-block {
                grid-template-columns: 1fr;
            }
            .story-image {
                min-height: 240px;
            }
            .story-text {
                padding: 28px 24px;
            }
            .section-block {
                padding: 40px 20px;
            }
            .hero-section {
                padding: 48px 20px;
                min-height: 400px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
                object-fit: cover;
            }
            .news-info p {
                max-width: 100%;
                white-space: normal;
            }
        }
        @media (max-width: 767px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 28px;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .events-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .partners-row {
                gap: 12px 16px;
            }
            .partner-item {
                font-size: 13px;
                padding: 8px 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-btns {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-section {
                min-height: 360px;
                padding: 40px 16px;
            }
            .section-block {
                padding: 32px 14px;
            }
            .brand-intro-card {
                padding: 24px 18px;
            }
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 22px;
            }
            .news-item {
                padding: 14px;
            }
            .news-thumb {
                height: 100px;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 12px 22px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card .stat-number {
                font-size: 24px;
            }
            .stat-card .stat-label {
                font-size: 11px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .story-text h3 {
                font-size: 21px;
            }
            .site-footer {
                padding: 28px 14px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0f1d36;
            --primary-light: #1a3052;
            --accent: #c8963e;
            --accent-light: #ddb15e;
            --accent-dark: #a07a2e;
            --bg-white: #ffffff;
            --bg-light: #f6f7f9;
            --bg-lighter: #fafbfc;
            --bg-card: #ffffff;
            --text-primary: #1a1d24;
            --text-secondary: #4a4f5a;
            --text-muted: #7a7f8a;
            --text-on-dark: #e8eaef;
            --text-on-primary: #dde1e8;
            --border-light: #e2e5ea;
            --border-medium: #d0d4db;
            --shadow-sm: 0 1px 3px rgba(15, 29, 54, 0.06);
            --shadow-md: 0 4px 16px rgba(15, 29, 54, 0.08);
            --shadow-lg: 0 8px 32px rgba(15, 29, 54, 0.12);
            --shadow-xl: 0 16px 48px rgba(15, 29, 54, 0.16);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --sidebar-width: 250px;
            --sidebar-bg: #0b1628;
            --sidebar-hover: #15203a;
            --sidebar-active: #1a2d4a;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-light);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin: 0;
        }

        /* ============ SIDEBAR (Desktop) ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--sidebar-bg);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.25);
            transition: transform var(--transition-base);
            overflow-y: auto;
        }
        .sidebar-logo {
            padding: 22px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
            transition: opacity var(--transition-fast);
        }
        .sidebar-logo a:hover {
            opacity: 0.85;
            color: #ffffff;
        }
        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1a1d24;
            flex-shrink: 0;
            font-weight: 800;
        }
        .sidebar-nav {
            flex: 1;
            padding: 12px 10px;
            display: flex;
            flex-direction: column;
            gap: 3px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 11px 16px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            opacity: 0.8;
            transition: opacity var(--transition-fast);
        }
        .sidebar-nav a:hover {
            background: var(--sidebar-hover);
            color: #ffffff;
        }
        .sidebar-nav a:hover i {
            opacity: 1;
        }
        .sidebar-nav a.active {
            background: var(--sidebar-active);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }
        .sidebar-nav a.active i {
            opacity: 1;
            color: var(--accent-light);
        }
        .sidebar-footer-note {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.5;
            flex-shrink: 0;
            text-align: center;
        }

        /* ============ MOBILE NAVBAR ============ */
        .mobile-navbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--sidebar-bg);
            padding: 10px 16px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
            align-items: center;
            justify-content: space-between;
        }
        .mobile-navbar .mobile-logo {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-navbar .mobile-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 800;
            color: #1a1d24;
            flex-shrink: 0;
        }
        .mobile-navbar .menu-toggle {
            color: #ffffff;
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            background: none;
            border: none;
            cursor: pointer;
        }
        .mobile-navbar .menu-toggle:hover {
            background: var(--sidebar-hover);
        }

        /* Mobile offcanvas menu */
        .mobile-offcanvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--sidebar-bg);
            z-index: 1100;
            transform: translateX(-100%);
            transition: transform var(--transition-base);
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.4);
            overflow-y: auto;
        }
        .mobile-offcanvas.open {
            transform: translateX(0);
        }
        .mobile-offcanvas .offcanvas-header {
            padding: 18px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-shrink: 0;
        }
        .mobile-offcanvas .offcanvas-header .offcanvas-logo {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
        }
        .mobile-offcanvas .offcanvas-header .close-offcanvas {
            color: #ffffff;
            font-size: 1.4rem;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            background: none;
            border: none;
            transition: background var(--transition-fast);
        }
        .mobile-offcanvas .offcanvas-header .close-offcanvas:hover {
            background: var(--sidebar-hover);
        }
        .mobile-offcanvas .offcanvas-nav {
            flex: 1;
            padding: 10px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .mobile-offcanvas .offcanvas-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .mobile-offcanvas .offcanvas-nav a i {
            width: 20px;
            text-align: center;
            opacity: 0.8;
        }
        .mobile-offcanvas .offcanvas-nav a:hover {
            background: var(--sidebar-hover);
            color: #ffffff;
        }
        .mobile-offcanvas .offcanvas-nav a.active {
            background: var(--sidebar-active);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1090;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-base);
        }
        .mobile-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ============ MAIN CONTENT ============ */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            padding: 60px 40px 56px 40px;
            background: linear-gradient(160deg, #0f1d36 0%, #162544 40%, #1a3052 100%);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
            color: #ffffff;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.28;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(15, 29, 54, 0.7), transparent);
            z-index: 1;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }
        .hero-breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }
        .hero-breadcrumb a:hover {
            color: var(--accent-light);
        }
        .hero-breadcrumb .sep {
            opacity: 0.4;
        }
        .hero-section h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #ffffff;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .hero-section .hero-sub {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 0;
        }
        .hero-highlight-tag {
            display: inline-block;
            background: var(--accent);
            color: #1a1d24;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        /* ============ SECTION COMMON ============ */
        .section-block {
            padding: 48px 40px;
        }
        .section-block.alt-bg {
            background: var(--bg-white);
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--accent-dark);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 650px;
        }

        /* ============ ODDS OVERVIEW CARDS ============ */
        .odds-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .odds-stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            text-align: center;
        }
        .odds-stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .odds-stat-card .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 10px;
            background: rgba(200, 150, 62, 0.1);
            color: var(--accent-dark);
        }
        .odds-stat-card .stat-value {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .odds-stat-card .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.3px;
        }
        .odds-stat-card .stat-change {
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 4px;
        }
        .odds-stat-card .stat-change.up {
            color: #16a34a;
        }
        .odds-stat-card .stat-change.down {
            color: #dc2626;
        }

        /* ============ ANALYSIS CARDS ============ */
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .analysis-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .analysis-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .analysis-card .card-img-wrap {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .analysis-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .analysis-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .analysis-card .card-body-content {
            padding: 20px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .analysis-card .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.8px;
            color: var(--accent-dark);
            background: rgba(200, 150, 62, 0.08);
            padding: 4px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .analysis-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .analysis-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
            flex: 1;
        }

        /* ============ ODDS TABLE ============ */
        .odds-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            background: var(--bg-white);
        }
        .odds-table-wrap table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }
        .odds-table-wrap thead th {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
            padding: 14px 16px;
            text-align: center;
            font-size: 0.82rem;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }
        .odds-table-wrap tbody td {
            padding: 12px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
            white-space: nowrap;
        }
        .odds-table-wrap tbody tr:hover {
            background: var(--bg-lighter);
        }
        .odds-table-wrap tbody tr:last-child td {
            border-bottom: none;
        }
        .odds-val {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
        }
        .odds-change-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 10px;
        }
        .odds-change-badge.rise {
            background: #fef2f2;
            color: #dc2626;
        }
        .odds-change-badge.fall {
            background: #f0fdf4;
            color: #16a34a;
        }
        .odds-team-cell {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--text-primary);
        }

        /* ============ INSIGHT BLOCK ============ */
        .insight-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .insight-block .insight-img {
            height: 100%;
            min-height: 300px;
            position: relative;
        }
        .insight-block .insight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .insight-block .insight-text {
            padding: 32px 28px 32px 8px;
        }
        .insight-block .insight-text h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .insight-block .insight-text p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .insight-block .insight-text .highlight-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-dark);
            letter-spacing: 0.5px;
        }

        /* ============ FAQ ============ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            background: var(--bg-white);
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
            letter-spacing: 0.2px;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--bg-lighter);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(15, 29, 54, 0.1);
            border-color: var(--border-medium);
        }
        .faq-accordion .accordion-body {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding: 8px 20px 18px;
        }

        /* ============ CTA ============ */
        .cta-block {
            background: linear-gradient(135deg, #0f1d36 0%, #1a3052 50%, #14223b 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #ffffff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: 1.55rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .cta-block p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta {
            display: inline-block;
            background: var(--accent);
            color: #1a1d24;
            font-weight: 700;
            padding: 13px 32px;
            border-radius: 30px;
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-base);
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.35);
        }
        .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.45);
            color: #1a1d24;
        }
        .btn-outline-light-cta {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #ffffff;
            font-weight: 600;
            padding: 11px 28px;
            border-radius: 30px;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            margin-left: 12px;
        }
        .btn-outline-light-cta:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0b1424;
            color: rgba(255, 255, 255, 0.75);
            padding: 40px 40px 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 28px;
        }
        .footer-grid h6 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .footer-grid a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-grid a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199px) {
            .odds-overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .analysis-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-block {
                grid-template-columns: 1fr;
            }
            .insight-block .insight-img {
                min-height: 200px;
                order: -1;
            }
            .insight-block .insight-text {
                padding: 20px 18px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-block {
                padding: 36px 28px;
            }
            .hero-section {
                padding: 48px 28px 44px;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 991px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .sidebar.open-mobile {
                transform: translateX(0);
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
                z-index: 1100;
            }
            .mobile-navbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .odds-overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .analysis-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .section-block {
                padding: 32px 16px;
            }
            .hero-section {
                padding: 36px 16px 32px;
                min-height: auto;
            }
            .hero-section h1 {
                font-size: 1.7rem;
            }
            .hero-section .hero-sub {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .cta-block {
                padding: 28px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-block h3 {
                font-size: 1.25rem;
            }
            .btn-outline-light-cta {
                margin-left: 0;
                margin-top: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 28px 16px 18px;
            }
        }

        @media (max-width: 640px) {
            .odds-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .odds-stat-card {
                padding: 16px 12px;
            }
            .odds-stat-card .stat-value {
                font-size: 1.4rem;
            }
            .analysis-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .hero-section h1 {
                font-size: 1.45rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .insight-block .insight-img {
                min-height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .cta-block .btn-cta,
            .cta-block .btn-outline-light-cta {
                display: block;
                width: 100%;
                margin: 0 0 8px 0;
            }
            .odds-table-wrap table {
                min-width: 550px;
                font-size: 0.78rem;
            }
            .odds-table-wrap thead th,
            .odds-table-wrap tbody td {
                padding: 10px 8px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #0d2b45;
            --color-primary-light: #143b5c;
            --color-accent: #c9a050;
            --color-accent-light: #d9b868;
            --color-accent-subtle: #f5ecd7;
            --color-bg: #f6f7f9;
            --color-surface: #ffffff;
            --color-text: #1c1c28;
            --color-text-secondary: #5a5d6b;
            --color-text-muted: #8b8f9a;
            --color-border: #e2e4e9;
            --color-border-light: #eef0f3;
            --color-sidebar-bg: #0d2b45;
            --color-sidebar-text: #c8d6e1;
            --color-sidebar-hover: #163c5c;
            --color-sidebar-active: #c9a050;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.09);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.11);
            --sidebar-width: 250px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        /* ============ SIDEBAR (Desktop) ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar-bg);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 3px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-normal);
        }
        .sidebar-brand {
            padding: 22px 20px 18px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.2;
        }
        .sidebar-brand .brand-name i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }
        .sidebar-brand .brand-sub {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 2px;
            letter-spacing: 0.04em;
            padding-left: 2px;
        }
        .sidebar-nav {
            flex: 1;
            padding: 14px 12px;
            display: flex;
            flex-direction: column;
            gap: 3px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--color-sidebar-text);
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: var(--color-sidebar-hover);
            color: #ffffff;
        }
        .sidebar-nav a.active {
            background: rgba(201, 160, 80, 0.18);
            color: var(--color-sidebar-active);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-sidebar-active);
            border-radius: var(--radius-sm);
        }
        .sidebar-footer {
            padding: 14px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.03em;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin var(--transition-normal);
        }
        .main-content {
            flex: 1;
            padding-bottom: 0;
        }

        /* ============ MOBILE TOPBAR ============ */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--color-sidebar-bg);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-topbar .mobile-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-topbar .mobile-brand i {
            color: var(--color-accent);
        }
        .mobile-topbar .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px 8px;
            margin-right: 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-topbar .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1045;
        }
        .mobile-overlay.show {
            display: block;
        }

        /* Sidebar slide on mobile */
        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
                width: 270px;
                z-index: 1055;
                box-shadow: 6px 0 30px rgba(0, 0, 0, 0.35);
            }
            .sidebar.mobile-open {
                transform: translateX(0);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                padding-top: 56px;
            }
        }
        @media (min-width: 1024px) {
            .mobile-topbar,
            .mobile-overlay {
                display: none !important;
            }
            .sidebar {
                transform: translateX(0) !important;
            }
        }

        /* ============ SECTIONS & CONTAINERS ============ */
        .section {
            padding: 52px 0;
        }
        .section-sm {
            padding: 36px 0;
        }
        .section-lg {
            padding: 64px 0;
        }
        .container-custom {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 767px) {
            .section {
                padding: 32px 0;
            }
            .section-lg {
                padding: 40px 0;
            }
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ============ HERO BANNER ============ */
        .hero-banner {
            position: relative;
            background: linear-gradient(170deg, #0d2b45 0%, #143b5c 35%, #1a4d73 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 40%;
            background-blend-mode: overlay;
            padding: 72px 0 64px;
            color: #ffffff;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 45, 0.75) 0%, rgba(13, 27, 45, 0.55) 100%);
            z-index: 1;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
        }
        .hero-banner .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #1c1c28;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 16px;
            border-radius: 30px;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }
        .hero-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .hero-banner .hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.75;
            max-width: 600px;
        }
        .hero-banner .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 28px;
        }
        .hero-banner .hero-stat {
            text-align: center;
            min-width: 90px;
        }
        .hero-banner .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }
        .hero-banner .hero-stat .stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }
        @media (max-width: 767px) {
            .hero-banner {
                padding: 44px 0 36px;
            }
            .hero-banner h1 {
                font-size: 1.7rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.95rem;
            }
            .hero-banner .hero-stats-row {
                gap: 18px;
            }
            .hero-banner .hero-stat .stat-num {
                font-size: 1.5rem;
            }
        }

        /* ============ CARDS ============ */
        .card-custom {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-custom .card-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-custom .card-icon-wrap.accent-bg {
            background: var(--color-accent-subtle);
            color: #b8891f;
        }
        .card-custom .card-icon-wrap.primary-bg {
            background: #e8f0f8;
            color: var(--color-primary);
        }
        .card-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .card-custom p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .card-custom.card-accent-border {
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
        }

        /* ============ STEP CARDS ============ */
        .step-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-normal);
            height: 100%;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 12px;
            flex-shrink: 0;
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ============ IMAGE CARD ============ */
        .image-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-surface);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .image-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .image-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .image-card .image-card-body {
            padding: 18px 16px;
        }
        .image-card .image-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .image-card .image-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            margin: 0;
        }
        @media (max-width: 767px) {
            .image-card img {
                height: 160px;
            }
        }

        /* ============ BUTTONS ============ */
        .btn-accent {
            display: inline-block;
            background: var(--color-accent);
            color: #1c1c28;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            font-size: 0.95rem;
            text-align: center;
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            color: #1c1c28;
            box-shadow: 0 6px 20px rgba(201, 160, 80, 0.35);
            transform: translateY(-2px);
        }
        .btn-outline-light-custom {
            display: inline-block;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            padding: 11px 26px;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.55);
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            font-size: 0.93rem;
            text-align: center;
        }
        .btn-outline-light-custom:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }
        .btn-sm-accent {
            display: inline-block;
            background: var(--color-accent);
            color: #1c1c28;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 20px;
            font-size: 0.82rem;
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
        }
        .btn-sm-accent:hover {
            background: var(--color-accent-light);
            color: #1c1c28;
            box-shadow: 0 3px 10px rgba(201, 160, 80, 0.3);
        }

        /* ============ TAGS & BADGES ============ */
        .tag {
            display: inline-block;
            background: #eef1f6;
            color: #4a5568;
            font-size: 0.78rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }
        .tag-accent {
            background: var(--color-accent-subtle);
            color: #8b6914;
            font-weight: 600;
        }

        /* ============ LIST STYLES ============ */
        .checklist {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .checklist li {
            padding: 10px 0 10px 28px;
            position: relative;
            font-size: 0.94rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            border-bottom: 1px solid var(--color-border-light);
        }
        .checklist li:last-child {
            border-bottom: none;
        }
        .checklist li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 10px;
            color: var(--color-accent);
            font-size: 0.95rem;
        }

        /* ============ WARNING BOX ============ */
        .warning-box {
            background: #fef9f0;
            border: 1px solid #f0d89c;
            border-left: 5px solid #d4a017;
            border-radius: var(--radius-md);
            padding: 20px 22px;
            margin: 20px 0;
        }
        .warning-box h5 {
            font-weight: 700;
            color: #8b5e14;
            margin-bottom: 6px;
            font-size: 1rem;
        }
        .warning-box p {
            margin: 0;
            font-size: 0.9rem;
            color: #6b4e1a;
            line-height: 1.6;
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item .faq-question {
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--color-text);
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-item .faq-question:hover {
            background: #fafbfc;
        }
        .faq-item .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item.open {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(160deg, #0d2b45 0%, #143b5c 100%);
            color: #fff;
            padding: 56px 0;
            text-align: center;
            border-radius: 0;
        }
        .cta-section h2 {
            font-weight: 800;
            font-size: 1.8rem;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 767px) {
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 40px 0;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0a1e30;
            color: #c8d6e1;
            padding: 48px 0 20px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-footer .footer-grid h6 {
            color: #ffffff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .site-footer .footer-grid a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            padding: 3px 0;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-grid a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            max-width: 1100px;
            margin: 28px auto 0;
            padding: 18px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.02em;
        }
        @media (max-width: 767px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ MISC ============ */
        .section-title {
            font-weight: 800;
            font-size: 1.55rem;
            letter-spacing: 0.02em;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin-bottom: 32px;
        }
        .divider-accent {
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin-bottom: 20px;
        }
        @media (max-width: 767px) {
            .section-title {
                font-size: 1.3rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1B2A4A;
            --color-primary-light: #243660;
            --color-accent: #C8A052;
            --color-accent-light: #D9B86B;
            --color-accent-dark: #A8853A;
            --color-bg: #F4F5F7;
            --color-white: #FFFFFF;
            --color-text: #1a1a2e;
            --color-text-soft: #5A6070;
            --color-text-muted: #8B919E;
            --color-border: #E2E5EA;
            --color-border-light: #EEF0F4;
            --color-success: #2E9B6E;
            --color-danger: #D94A4A;
            --color-info: #3B7DBF;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --sidebar-width: 260px;
            --mobile-header-height: 56px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== LAYOUT ========== */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
        }

        /* ========== SIDEBAR (Desktop) ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #ffffff;
            display: flex;
            flex-direction: column;
            z-index: 1050;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
            transition: transform var(--transition-base);
            overflow-y: auto;
        }
        .sidebar-brand {
            padding: 22px 24px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-brand .brand-name i {
            color: var(--color-accent);
            font-size: 1.35rem;
        }
        .sidebar-brand .brand-tagline {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.50);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 14px;
            display: flex;
            flex-direction: column;
            gap: 3px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.93rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
            color: rgba(255, 255, 255, 0.50);
            transition: color var(--transition-fast);
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .sidebar-nav a:hover i {
            color: var(--color-accent-light);
        }
        .sidebar-nav a.active {
            background: rgba(200, 160, 82, 0.18);
            color: var(--color-accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }
        .sidebar-nav a.active i {
            color: var(--color-accent);
        }
        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.40);
            flex-shrink: 0;
            text-align: center;
            letter-spacing: 0.03em;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ========== MOBILE HEADER ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--mobile-header-height);
            background: var(--color-primary);
            color: #ffffff;
            z-index: 1040;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-header .mobile-brand {
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-header .mobile-brand i {
            color: var(--color-accent);
        }
        .mobile-header .menu-toggle {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-header .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ========== OFFCANVAS (Mobile) ========== */
        .offcanvas-sidebar {
            background: var(--color-primary) !important;
            color: #ffffff !important;
            width: 275px !important;
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            padding: 16px 20px;
        }
        .offcanvas-sidebar .offcanvas-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #ffffff;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.7;
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 12px 10px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .offcanvas-sidebar .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .offcanvas-sidebar .offcanvas-body a i {
            width: 18px;
            text-align: center;
            color: rgba(255, 255, 255, 0.50);
            flex-shrink: 0;
        }
        .offcanvas-sidebar .offcanvas-body a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .offcanvas-sidebar .offcanvas-body a.active {
            background: rgba(200, 160, 82, 0.18);
            color: var(--color-accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }
        .offcanvas-sidebar .offcanvas-body a.active i {
            color: var(--color-accent);
        }
        .offcanvas-sidebar .offcanvas-footer-mobile {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.68rem;
            color: rgba(255, 255, 255, 0.40);
            text-align: center;
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 48px 0;
        }
        .section-sm {
            padding: 32px 0;
        }
        .section-lg {
            padding: 64px 0;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-accent-dark);
            background: rgba(200, 160, 82, 0.10);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            letter-spacing: 0.02em;
        }
        .section-header p {
            color: var(--color-text-soft);
            font-size: 0.95rem;
            margin: 0;
            max-width: 620px;
        }

        /* ========== HERO BANNER ========== */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(27, 42, 74, 0.88) 0%, rgba(13, 24, 44, 0.92) 100%), url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 70px 40px 60px;
            color: #ffffff;
            border-radius: 0;
            margin: 0;
        }
        .hero-banner .hero-inner {
            max-width: 780px;
            position: relative;
            z-index: 2;
        }
        .hero-banner .hero-tag {
            display: inline-block;
            font-size: 0.76rem;
            font-weight: 600;
            letter-spacing: 0.07em;
            color: var(--color-accent-light);
            background: rgba(200, 160, 82, 0.15);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .hero-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin: 0 0 14px;
            line-height: 1.25;
        }
        .hero-banner .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.80);
            line-height: 1.7;
            margin: 0 0 24px;
            max-width: 600px;
        }
        .hero-banner .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-banner .hero-stat-item {
            text-align: center;
            min-width: 80px;
        }
        .hero-banner .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent-light);
            letter-spacing: 0.02em;
        }
        .hero-banner .hero-stat-item .stat-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.60);
            letter-spacing: 0.04em;
        }

        /* ========== STAT CARDS ========== */
        .stat-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(27, 42, 74, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }
        .stat-card:hover .stat-icon {
            background: var(--color-primary);
            color: #ffffff;
        }
        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .stat-card .stat-value .unit {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-soft);
            margin-left: 2px;
        }
        .stat-card .stat-label-text {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        .stat-card .stat-sub {
            font-size: 0.72rem;
            color: var(--color-accent-dark);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== TABLE ========== */
        .table-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
        }
        .table-card .table-header-bar {
            padding: 18px 24px;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .table-card .table-header-bar h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
        }
        .table-card .table-wrap {
            overflow-x: auto;
        }
        .table-card table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 700px;
        }
        .table-card table thead th {
            background: #F8F9FB;
            color: var(--color-text-soft);
            font-weight: 600;
            font-size: 0.78rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            padding: 14px 16px;
            border-bottom: 2px solid var(--color-border);
            white-space: nowrap;
        }
        .table-card table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--color-border-light);
            vertical-align: middle;
        }
        .table-card table tbody tr {
            transition: background var(--transition-fast);
        }
        .table-card table tbody tr:hover {
            background: rgba(200, 160, 82, 0.04);
        }
        .table-card .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.85rem;
            background: #F0F2F6;
            color: var(--color-text-soft);
        }
        .table-card .rank-badge.top3 {
            background: var(--color-accent);
            color: #ffffff;
        }
        .table-card .trend-up {
            color: var(--color-success);
            font-weight: 600;
        }
        .table-card .trend-down {
            color: var(--color-danger);
            font-weight: 600;
        }
        .table-card .trend-stable {
            color: var(--color-text-muted);
        }

        /* ========== INSIGHT CARDS ========== */
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .insight-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition-base);
        }
        .insight-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .insight-card .insight-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(27, 42, 74, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.4rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }
        .insight-card:hover .insight-icon-wrap {
            background: var(--color-primary);
            color: #ffffff;
        }
        .insight-card .insight-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }
        .insight-card .insight-body p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.6;
        }
        .insight-card .insight-body .insight-meta {
            font-size: 0.75rem;
            color: var(--color-accent-dark);
            margin-top: 8px;
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        /* ========== IMAGE FEATURE BLOCK ========== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .feature-block .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
        }
        .feature-block .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-block .feature-image:hover img {
            transform: scale(1.04);
        }
        .feature-block .feature-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px;
        }
        .feature-block .feature-text p {
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0 0 8px;
            font-size: 0.93rem;
        }
        .feature-block .feature-list {
            list-style: none;
            padding: 0;
            margin: 14px 0 0;
        }
        .feature-block .feature-list li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .feature-block .feature-list li i {
            color: var(--color-accent);
            font-size: 0.75rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ========== UPDATE INFO ========== */
        .update-info-block {
            background: linear-gradient(135deg, #F8F9FB 0%, #EEF1F5 100%);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }
        .update-info-block .update-icon-large {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--color-accent);
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }
        .update-info-block .update-body h4 {
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
            font-size: 1.05rem;
        }
        .update-info-block .update-body p {
            color: var(--color-text-soft);
            margin: 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .update-info-block .update-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 14px;
            background: var(--color-success);
            color: #fff;
            letter-spacing: 0.04em;
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-list .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            background: var(--color-white);
        }
        .faq-list .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            background: var(--color-white);
            padding: 16px 20px;
            box-shadow: none !important;
            transition: all var(--transition-fast);
            border-radius: var(--radius-md) !important;
        }
        .faq-list .accordion-button:not(.collapsed) {
            background: rgba(200, 160, 82, 0.04);
            color: var(--color-accent-dark);
            border-bottom: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
        }
        .faq-list .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 160, 82, 0.2) !important;
            border-color: var(--color-accent-light);
        }
        .faq-list .accordion-body {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            padding: 16px 20px 18px;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--color-primary) 0%, #152540 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(200, 160, 82, 0.08);
            pointer-events: none;
        }
        .cta-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 10px;
            position: relative;
            z-index: 2;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 22px;
            font-size: 0.95rem;
            position: relative;
            z-index: 2;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-block .btn-cta {
            display: inline-block;
            padding: 13px 32px;
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 700;
            border-radius: 30px;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            position: relative;
            z-index: 2;
            border: none;
            box-shadow: 0 4px 18px rgba(200, 160, 82, 0.35);
        }
        .cta-block .btn-cta:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 24px rgba(200, 160, 82, 0.50);
            transform: translateY(-2px);
            color: #ffffff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: #ffffff;
            padding: 40px 36px 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 28px;
        }
        .footer-grid h6 {
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-accent-light);
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .footer-grid a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-grid a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.03em;
        }

        /* ========== BUTTONS ========== */
        .btn-outline-accent {
            border: 1.5px solid var(--color-accent);
            color: var(--color-accent-dark);
            background: transparent;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            display: inline-block;
        }
        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #ffffff;
        }
        .btn-sm-accent {
            padding: 7px 16px;
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            border-radius: 18px;
            font-weight: 600;
            font-size: 0.78rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            display: inline-block;
        }
        .btn-sm-accent:hover {
            background: var(--color-accent-dark);
            color: #ffffff;
            box-shadow: var(--shadow-sm);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .stat-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991px) {
            .sidebar {
                display: none !important;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--mobile-header-height);
            }
        }
        @media (max-width: 767px) {
            .hero-banner {
                padding: 42px 20px 36px;
            }
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.9rem;
            }
            .hero-banner .hero-stats-row {
                gap: 16px;
            }
            .hero-banner .hero-stat-item .stat-num {
                font-size: 1.5rem;
            }
            .stat-card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .insight-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .insight-card {
                flex-direction: column;
                gap: 12px;
                padding: 20px 16px;
            }
            .feature-block {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .feature-block .feature-image {
                aspect-ratio: 16/10;
            }
            .update-info-block {
                flex-direction: column;
                text-align: center;
                padding: 24px 18px;
            }
            .cta-block {
                padding: 30px 20px;
            }
            .cta-block h3 {
                font-size: 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .section {
                padding: 32px 0;
            }
            .section-lg {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .table-card .table-header-bar {
                padding: 14px 16px;
            }
            .table-card table {
                font-size: 0.78rem;
                min-width: 550px;
            }
            .table-card table thead th,
            .table-card table tbody td {
                padding: 10px 10px;
            }
        }
        @media (max-width: 480px) {
            .stat-card-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-banner h1 {
                font-size: 1.35rem;
            }
            .hero-banner .hero-stats-row {
                gap: 10px;
            }
            .hero-banner .hero-stat-item .stat-num {
                font-size: 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --deep-blue: #0b1c36;
            --navy: #0f2347;
            --gold: #c9a84c;
            --gold-light: #e0c56e;
            --gold-dark: #a8862e;
            --white: #ffffff;
            --gray-50: #f8f9fb;
            --gray-100: #f1f3f6;
            --gray-200: #e4e7ed;
            --gray-300: #d0d5dd;
            --gray-400: #9ca3b0;
            --gray-500: #6b7280;
            --gray-600: #4b5059;
            --gray-700: #363a42;
            --gray-800: #1f2228;
            --gray-900: #13151a;
            --text-primary: #1a1d24;
            --text-secondary: #4b5059;
            --text-muted: #7d828c;
            --text-on-dark: #e8eaef;
            --border-light: #e4e7ed;
            --border-medium: #d0d5dd;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 18px rgba(0, 0, 0, 0.06);
            --sidebar-width: 250px;
            --sidebar-collapsed: 0px;
            --header-mobile-height: 60px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--gray-50);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-weight: 600;
            line-height: 1.3;
        }

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, var(--deep-blue) 0%, var(--navy) 100%);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-slow), width var(--transition-slow);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-brand {
            padding: 24px 20px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--white);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.2;
        }
        .sidebar-brand .brand-logo i {
            color: var(--gold);
            font-size: 1.5rem;
        }
        .sidebar-brand .brand-tagline {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        .sidebar-nav {
            flex: 1;
            padding: 12px 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 20px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: 0;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
            margin: 0 8px;
            border-radius: var(--radius-sm);
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: var(--white);
        }
        .sidebar-nav a:hover i {
            color: var(--gold-light);
        }
        .sidebar-nav a.active {
            background: rgba(201, 168, 76, 0.18);
            color: var(--gold-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--gold);
        }
        .sidebar-nav a.active i {
            color: var(--gold);
        }
        .sidebar-footer-tag {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.03em;
            flex-shrink: 0;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-slow);
        }
        .main-content {
            flex: 1;
        }

        /* ========== MOBILE HEADER ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--deep-blue);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-header .brand-mini {
            font-weight: 700;
            color: var(--white);
            font-size: 1.05rem;
            letter-spacing: 0.02em;
        }
        .mobile-header .brand-mini i {
            color: var(--gold);
            margin-right: 6px;
        }
        .mobile-menu-btn {
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.4rem;
            padding: 6px 8px;
            margin-left: auto;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1045;
            opacity: 0;
            transition: opacity var(--transition-slow);
            pointer-events: none;
        }
        .sidebar-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ========== SECTION SPACING ========== */
        .section-padding {
            padding: 56px 0;
        }
        .section-padding-sm {
            padding: 40px 0;
        }
        .section-padding-lg {
            padding: 72px 0;
        }
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== HERO BANNER ========== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(11, 28, 54, 0.88) 0%, rgba(15, 35, 71, 0.82) 100%), url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 80px 0 70px;
            color: var(--white);
            text-align: center;
            border-bottom: 3px solid var(--gold);
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--gold);
            color: var(--deep-blue);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .category-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            color: #fff;
        }
        .category-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== CARDS ========== */
        .info-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .info-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--gold-light);
        }
        .info-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--gray-100);
        }
        .info-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .info-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .info-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--gold);
            color: var(--deep-blue);
            font-weight: 700;
            font-size: 0.72rem;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .info-card .card-body-custom {
            padding: 18px 18px 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .info-card .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .info-card .card-meta i {
            color: var(--gold);
            font-size: 0.7rem;
        }
        .info-card h3 {
            font-size: 1.1rem;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .info-card .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 10px;
        }
        .info-card .card-link {
            font-weight: 600;
            color: var(--gold-dark);
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
            margin-top: auto;
        }
        .info-card .card-link:hover {
            gap: 10px;
            color: var(--deep-blue);
        }

        /* ========== FEATURED ROW ========== */
        .featured-match-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 24px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            flex-wrap: wrap;
        }
        .featured-match-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--gold-light);
        }
        .featured-match-card .match-teams {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            min-width: 140px;
        }
        .featured-match-card .match-teams .vs-badge {
            background: var(--deep-blue);
            color: var(--white);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .featured-match-card .match-info {
            flex: 1;
            min-width: 150px;
        }
        .featured-match-card .match-league {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .featured-match-card .match-date {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .featured-match-card .match-odds {
            background: var(--gray-50);
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--gold-dark);
            white-space: nowrap;
        }

        /* ========== TIMELINE ========== */
        .timeline-list {
            position: relative;
            padding-left: 28px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: var(--border-medium);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 20px;
            padding-left: 14px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -22px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--gold);
            border: 2px solid var(--white);
            box-shadow: 0 0 0 3px var(--gold-light);
            z-index: 2;
        }
        .timeline-item .tl-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            margin-bottom: 2px;
        }
        .timeline-item .tl-title {
            font-weight: 650;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        .timeline-item .tl-desc {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 650;
            font-size: 0.98rem;
            color: var(--text-primary);
            background: var(--white);
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
            transition: background var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--gray-50);
            color: var(--deep-blue);
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.2);
        }
        .faq-accordion .accordion-body {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding: 16px 20px 20px;
            background: var(--white);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--deep-blue) 0%, var(--navy) 100%);
            color: var(--white);
            text-align: center;
            padding: 60px 0;
            border-top: 3px solid var(--gold);
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 24px;
        }
        .btn-gold {
            display: inline-block;
            background: var(--gold);
            color: var(--deep-blue);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-md);
        }
        .btn-gold:hover {
            background: var(--gold-light);
            color: var(--deep-blue);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .btn-outline-light-custom {
            display: inline-block;
            background: transparent;
            color: var(--white);
            font-weight: 600;
            padding: 11px 24px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            font-size: 0.9rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-base);
        }
        .btn-outline-light-custom:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--gray-900);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .footer-grid h6 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-grid a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.83rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-grid a:hover {
            color: var(--gold-light);
        }
        .footer-bottom {
            max-width: 1100px;
            margin: 28px auto 0;
            padding: 18px 28px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== SECTION TITLES ========== */
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.07em;
            color: var(--gold-dark);
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 550px;
            line-height: 1.6;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header.text-center .section-subtitle {
            margin: 0 auto;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 991px) {
            .sidebar {
                transform: translateX(-100%);
                width: 270px;
                box-shadow: 8px 0 32px rgba(0, 0, 0, 0.3);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: var(--header-mobile-height);
            }
            .category-hero {
                padding: 50px 0 44px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .content-container {
                padding: 0 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 767px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-desc {
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .featured-match-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .featured-match-card .match-teams {
                min-width: auto;
            }
            .info-card h3 {
                font-size: 0.98rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .content-container {
                padding: 0 14px;
            }
            .section-padding {
                padding: 36px 0;
            }
            .section-padding-lg {
                padding: 48px 0;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                padding: 36px 0 32px;
            }
            .category-hero h1 {
                font-size: 1.35rem;
            }
            .info-card .card-body-custom {
                padding: 14px 12px 10px;
            }
            .info-card h3 {
                font-size: 0.9rem;
            }
            .info-card .card-excerpt {
                font-size: 0.8rem;
            }
            .btn-gold {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.15rem;
            }
        }