/* roulang page: index */
:root {
            --brand: #1a4b8c;
            --brand-dark: #153d73;
            --brand-deeper: #0f2f56;
            --brand-light: #e8f0fa;
            --brand-lighter: #f0f5fb;
            --pitch: #1e7a3c;
            --pitch-dark: #165d2f;
            --pitch-light: #e6f4ec;
            --match: #c0392b;
            --match-light: #fce8e6;
            --bg: #f7f9fc;
            --card: #ffffff;
            --title: #0f172a;
            --body: #334155;
            --muted: #64748b;
            --disabled: #94a3b8;
            --border: #e2e8f0;
            --divider: #e8edf3;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 6px rgba(15, 23, 42, 0.04);
            --shadow-hover: 0 4px 12px rgba(26, 75, 140, 0.10), 0 2px 6px rgba(15, 23, 42, 0.06);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-h: 60px;
            --transition: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--body);
            font-size: 15px;
            line-height: 1.85;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        ::selection {
            background: var(--brand-light);
            color: var(--brand);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ============ Sidebar ============ */
        #sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #ffffff;
            border-right: 1px solid var(--border);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
            box-shadow: 1px 0 8px rgba(15, 23, 42, 0.04);
        }

        #sidebar .sidebar-inner {
            display: flex;
            flex-direction: column;
            flex: 1;
            overflow-y: auto;
            padding: 20px 14px 16px;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 10px 18px;
            border-bottom: 1px solid var(--divider);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-badge {
            width: 36px;
            height: 36px;
            background: var(--brand);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--title);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex: 1;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            position: relative;
            min-height: 42px;
            transition: background var(--transition), color var(--transition);
        }

        .sidebar-nav a .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .sidebar-nav a:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }

        .sidebar-nav a:hover::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-nav a.active {
            background: rgba(26, 75, 140, 0.10);
            color: var(--brand);
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-footer {
            flex-shrink: 0;
            padding: 14px 10px 6px;
            border-top: 1px solid var(--divider);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }

        .sidebar-footer .footer-icons {
            display: flex;
            gap: 8px;
        }

        .sidebar-footer .footer-icons a {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--bg);
            color: var(--muted);
            font-size: 12px;
            transition: all var(--transition);
        }

        .sidebar-footer .footer-icons a:hover {
            background: var(--brand-light);
            color: var(--brand);
        }

        /* ============ Main Area ============ */
        #main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ============ Mobile Header ============ */
        #mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            z-index: 900;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
        }

        #mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            color: var(--title);
        }

        #mobile-header .mobile-logo .logo-badge-sm {
            width: 28px;
            height: 28px;
            background: var(--brand);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            flex-shrink: 0;
        }

        #hamburger-btn {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
            width: 44px;
            height: 44px;
            padding: 10px;
            border-radius: 8px;
            background: var(--bg);
            transition: background var(--transition);
        }

        #hamburger-btn:hover {
            background: var(--brand-light);
        }

        #hamburger-btn .bar {
            display: block;
            width: 20px;
            height: 2.5px;
            background: var(--title);
            border-radius: 2px;
            transition: all var(--transition);
        }

        #hamburger-btn.open .bar:nth-child(1) {
            transform: translateY(6.5px) rotate(45deg);
        }

        #hamburger-btn.open .bar:nth-child(2) {
            opacity: 0;
        }

        #hamburger-btn.open .bar:nth-child(3) {
            transform: translateY(-6.5px) rotate(-45deg);
        }

        #backdrop {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 42, 0.55);
            z-index: 850;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        #backdrop.show {
            opacity: 1;
        }

        /* ============ Section Base ============ */
        section {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: 26px;
            font-weight: 650;
            color: var(--title);
            letter-spacing: -0.01em;
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.85;
            margin-bottom: 30px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 22px;
            }
        }

        /* ============ Cards ============ */
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .card-sm {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 16px 18px;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .card-sm:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }

        /* ============ Buttons ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 500;
            min-height: 44px;
            transition: background var(--transition);
        }

        .btn-primary:hover {
            background: var(--brand-dark);
        }

        .btn-primary:active {
            background: var(--brand-deeper);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--brand);
            color: var(--brand);
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 500;
            min-height: 44px;
            transition: background var(--transition), color var(--transition);
        }

        .btn-secondary:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }

        .btn-secondary:active {
            background: #d5e3f5;
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        .btn-pitch {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--pitch);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            font-size: 13px;
            font-weight: 500;
            min-height: 40px;
            transition: background var(--transition);
        }

        .btn-pitch:hover {
            background: var(--pitch-dark);
        }

        .btn-pitch:focus-visible {
            outline: 2px solid var(--pitch);
            outline-offset: 2px;
        }

        .text-link {
            color: var(--brand);
            font-weight: 500;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }

        .text-link:hover {
            color: var(--brand-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .text-link:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ============ Badge ============ */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 9px;
            border-radius: 4px;
        }

        .badge-live {
            background: rgba(192, 57, 43, 0.10);
            color: var(--match);
            border: 1px solid rgba(192, 57, 43, 0.30);
        }

        .badge-finished {
            background: var(--brand-light);
            color: var(--brand);
        }

        .badge-upcoming {
            background: #f1f5f9;
            color: var(--muted);
        }

        .badge-cyan {
            background: var(--brand-light);
            color: var(--brand);
        }

        .badge-hit {
            background: var(--pitch-light);
            color: var(--pitch);
        }

        .badge-miss {
            background: var(--match-light);
            color: var(--match);
        }

        /* ============ Hero ============ */
        #hero {
            padding: 40px 0 60px;
            background: linear-gradient(180deg, rgba(26, 75, 140, 0.04) 0%, var(--bg) 80%);
        }

        #hero .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: center;
        }

        #hero .hero-content {
            padding-right: 12px;
        }

        #hero h1 {
            font-size: 34px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--title);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        #hero h1 .highlight {
            color: var(--brand);
        }

        #hero .hero-subtitle {
            font-size: 16px;
            color: var(--body);
            line-height: 1.9;
            max-width: 480px;
            margin-bottom: 22px;
        }

        #hero .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        #hero .hero-kpis {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        #hero .hero-kpi-item {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        #hero .hero-kpi-number {
            font-size: 24px;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.2;
        }

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

        #hero .hero-figure {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            aspect-ratio: 4/3;
            transform: translateY(-10px);
        }

        #hero .hero-figure img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        #hero .hero-figure::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(180deg, transparent, rgba(15, 23, 42, 0.6));
            pointer-events: none;
        }

        #hero .hero-overlay-card {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            z-index: 2;
            display: flex;
            gap: 10px;
        }

        #hero .hero-overlay-card .mini-stat {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            border-radius: 8px;
            padding: 10px 14px;
            flex: 1;
            text-align: center;
        }

        #hero .mini-stat .ms-num {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand);
        }

        #hero .mini-stat .ms-label {
            font-size: 11px;
            color: var(--muted);
        }

        @media (max-width: 1024px) {
            #hero .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            #hero .hero-figure {
                transform: translateY(0);
                aspect-ratio: 16/9;
            }
            #hero .hero-content {
                padding-right: 0;
            }
            #hero h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            #hero {
                padding: 24px 0 40px;
            }
            #hero h1 {
                font-size: 26px;
            }
            #hero .hero-subtitle {
                font-size: 15px;
            }
            #hero .hero-kpis {
                gap: 16px;
            }
            #hero .hero-overlay-card {
                flex-direction: column;
                gap: 6px;
            }
            #hero .mini-stat {
                padding: 8px 12px;
            }
        }

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

        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

        .service-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: box-shadow var(--transition), transform var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .service-card .sc-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .service-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--title);
            line-height: 1.4;
        }

        .service-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            flex: 1;
        }

        .service-card .sc-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/7;
            border: 1px solid var(--border);
        }

        .service-card .sc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ============ Stats ============ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 22px 20px;
            text-align: center;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .stat-card .stat-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-card .stat-number.pitch-color {
            color: var(--pitch);
        }

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

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ Ranking List ============ */
        .ranking-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .ranking-list {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 20px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 8px;
            border-bottom: 1px solid var(--divider);
            transition: background var(--transition);
            border-radius: 6px;
        }

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

        .ranking-item:hover {
            background: var(--bg);
        }

        .ranking-item .rank-no {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
            flex-shrink: 0;
        }

        .ranking-item .rank-no.top1 {
            background: var(--brand);
            color: #fff;
        }

        .ranking-item .rank-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-item .rank-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--title);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-item .rank-meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            gap: 12px;
        }

        .ranking-item .rank-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--pitch);
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .ranking-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ============ Case Cards ============ */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .case-grid {
                grid-template-columns: 1fr;
            }
        }

        .case-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .case-card .cc-img {
            aspect-ratio: 16/8;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .case-card .cc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-card .cc-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .case-card .cc-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .case-card .cc-date {
            font-size: 13px;
            color: var(--muted);
        }

        .case-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--title);
            line-height: 1.45;
        }

        .case-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            flex: 1;
        }

        /* ============ News List ============ */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .news-item {
            display: flex;
            gap: 18px;
            padding: 18px 22px;
            border-bottom: 1px solid var(--divider);
            transition: background var(--transition);
            align-items: flex-start;
        }

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

        .news-item:hover {
            background: var(--bg);
        }

        .news-item .news-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: var(--brand-light);
            border-radius: 8px;
            padding: 8px 10px;
            min-width: 62px;
            flex-shrink: 0;
        }

        .news-item .news-date .nd-day {
            font-size: 20px;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.2;
        }

        .news-item .news-date .nd-month {
            font-size: 11px;
            color: var(--muted);
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color var(--transition);
        }

        .news-item:hover .news-title {
            color: var(--brand);
        }

        .news-item .news-summary {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 6px;
        }

        @media (max-width: 520px) {
            .news-item {
                flex-direction: column;
                gap: 10px;
                padding: 14px 16px;
            }
            .news-item .news-date {
                flex-direction: row;
                gap: 6px;
                min-width: auto;
                padding: 5px 10px;
                font-size: 13px;
            }
            .news-item .news-date .nd-day {
                font-size: 14px;
            }
        }

        /* ============ Strategy Deep Content ============ */
        .strategy-block {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
            margin-bottom: 20px;
        }

        .strategy-block h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .strategy-block p {
            font-size: 15px;
            color: var(--body);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        .strategy-block p:last-child {
            margin-bottom: 0;
        }

        .strategy-block .sb-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: 16px 0;
            border: 1px solid var(--border);
            aspect-ratio: 16/6;
        }

        .strategy-block .sb-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

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

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            min-height: 50px;
            transition: background var(--transition);
            width: 100%;
            text-align: left;
        }

        .faq-q:hover {
            background: var(--brand-lighter);
        }

        .faq-q:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: -2px;
        }

        .faq-q .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--brand);
            transition: transform var(--transition);
            border-radius: 50%;
            background: var(--brand-light);
        }

        .faq-item.open .faq-q .faq-icon {
            transform: rotate(180deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, opacity 0.3s ease;
            opacity: 0;
            padding: 0 20px;
            font-size: 14px;
            color: var(--body);
            line-height: 1.85;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
            opacity: 1;
            padding: 0 20px 18px;
        }

        /* ============ Review Bubbles ============ */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        .review-bubble {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 20px;
            position: relative;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .review-bubble .rb-text {
            font-size: 14px;
            color: var(--body);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .review-bubble .rb-user {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .review-bubble .rb-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--brand);
            font-size: 15px;
            flex-shrink: 0;
        }

        .review-bubble .rb-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--title);
        }

        .review-bubble .rb-meta {
            font-size: 12px;
            color: var(--muted);
        }

        /* ============ Subscribe CTA ============ */
        #subscribe {
            background: var(--brand);
            padding: 70px 0;
        }

        #subscribe .subs-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 20px;
            max-width: 640px;
            margin: 0 auto;
        }

        #subscribe h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
        }

        #subscribe p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.85;
        }

        #subscribe .subs-form {
            display: flex;
            gap: 10px;
            width: 100%;
            max-width: 480px;
            margin-top: 6px;
        }

        #subscribe .subs-form input {
            flex: 1;
            min-width: 0;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            padding: 11px 16px;
            color: #fff;
            font-size: 14px;
            min-height: 44px;
            transition: border var(--transition), background var(--transition);
        }

        #subscribe .subs-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        #subscribe .subs-form input:focus {
            border-color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.18);
            outline: 2px solid rgba(255, 255, 255, 0.25);
            outline-offset: 1px;
        }

        #subscribe .subs-form button {
            background: #fff;
            color: var(--brand);
            border-radius: var(--radius-sm);
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            min-height: 44px;
            white-space: nowrap;
            transition: background var(--transition);
        }

        #subscribe .subs-form button:hover {
            background: var(--brand-light);
        }

        #subscribe .subs-form button:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }

        @media (max-width: 520px) {
            #subscribe .subs-form {
                flex-direction: column;
            }
            #subscribe .subs-form button {
                width: 100%;
            }
        }

        /* ============ Footer ============ */
        footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.65);
            padding: 40px 0 28px;
            margin-top: auto;
        }

        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 28px;
        }

        @media (max-width: 768px) {
            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        footer .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        footer .footer-brand a {
            color: #fff;
        }

        footer .footer-brand a:hover {
            color: var(--brand-light);
        }

        footer .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.5);
        }

        footer .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        footer .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

        footer .footer-links a:hover {
            color: var(--brand-light);
        }

        footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        footer .footer-bottom .fb-links {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }

        footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        /* ============ Responsive Sidebar ============ */
        @media (max-width: 1023px) {
            #sidebar {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: 4px 0 20px rgba(15, 23, 42, 0.12);
            }
            #sidebar.open {
                transform: translateX(0);
            }
            #main {
                margin-left: 0;
                padding-top: var(--header-h);
            }
            #mobile-header {
                display: flex;
            }
            #backdrop.show {
                display: block;
            }
        }

        @media (min-width: 1024px) {
            #backdrop {
                display: none !important;
            }
            #mobile-header {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --brand: #1a4b8c;
            --brand-dark: #153d73;
            --brand-deeper: #0f2f56;
            --brand-light: #e8f0fa;
            --brand-lighter: #f0f5fb;
            --pitch: #1e7a3c;
            --pitch-dark: #165d2f;
            --pitch-light: #e6f4ec;
            --match: #c0392b;
            --match-light: #fce8e6;
            --bg: #f7f9fc;
            --card: #ffffff;
            --title: #0f172a;
            --body: #334155;
            --muted: #64748b;
            --disabled: #94a3b8;
            --border: #e2e8f0;
            --divider: #e8edf3;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 6px rgba(15, 23, 42, 0.04);
            --shadow-hover: 0 4px 12px rgba(26, 75, 140, 0.10), 0 2px 6px rgba(15, 23, 42, 0.06);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-h: 60px;
            --transition: 0.2s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--body);
            font-size: 15px;
            line-height: 1.85;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Sidebar ===== */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--card);
            border-right: 1px solid var(--divider);
            display: flex;
            flex-direction: column;
            z-index: 50;
            transition: transform 0.28s ease;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 16px 16px;
            border-bottom: 1px solid var(--divider);
            margin-bottom: 12px;
            flex-shrink: 0;
        }
        .sidebar-logo .logo-badge {
            width: 38px;
            height: 38px;
            background: var(--brand);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .sidebar-logo .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--title);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex: 1;
            padding: 0 10px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            position: relative;
            min-height: 42px;
            transition: background var(--transition), color var(--transition);
        }
        .sidebar-nav a .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }
        .sidebar-nav a:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }
        .sidebar-nav a:hover::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }
        .sidebar-nav a.active {
            background: rgba(26, 75, 140, 0.10);
            color: var(--brand);
            font-weight: 600;
        }
        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }
        .sidebar-footer {
            flex-shrink: 0;
            padding: 14px 10px 10px;
            border-top: 1px solid var(--divider);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }
        .sidebar-footer .footer-icons {
            display: flex;
            gap: 8px;
        }
        .sidebar-footer .footer-icons a {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--bg);
            color: var(--muted);
            font-size: 12px;
            transition: all var(--transition);
        }
        .sidebar-footer .footer-icons a:hover {
            background: var(--brand-light);
            color: var(--brand);
        }

        /* ===== Main Area ===== */
        #main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== Mobile Header ===== */
        #mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: var(--card);
            border-bottom: 1px solid var(--divider);
            z-index: 60;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }
        #mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            color: var(--title);
        }
        #mobile-header .mobile-logo .logo-badge {
            width: 30px;
            height: 30px;
            background: var(--brand);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
        }
        #hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--bg);
            color: var(--title);
            font-size: 20px;
        }
        #hamburger:hover {
            background: var(--brand-light);
            color: var(--brand);
        }
        #mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 55;
        }
        #mobile-overlay.show {
            display: block;
        }

        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 0 0 30px rgba(0,0,0,0.15);
            }
            #mobile-header {
                display: flex;
            }
            #main {
                margin-left: 0;
                padding-top: var(--header-h);
            }
        }
        @media (min-width: 1024px) {
            #mobile-header, #mobile-overlay {
                display: none !important;
            }
        }

        /* ===== Content Area ===== */
        .page-content {
            flex: 1;
            padding: 32px 0 80px;
        }
        @media (max-width: 768px) {
            .page-content {
                padding: 20px 0 48px;
            }
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb .sep {
            color: var(--disabled);
        }
        .breadcrumb .current {
            color: var(--brand);
            font-weight: 500;
        }

        /* Filter Tags */
        .filter-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .filter-tag {
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            background: var(--card);
            border: 1px solid var(--border);
            color: var(--body);
            transition: all var(--transition);
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--brand-light);
        }
        .filter-tag.active {
            background: var(--brand);
            border-color: var(--brand);
            color: #fff;
        }
        .filter-tag:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        /* Article List */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .article-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: #cbd5e1;
        }
        .article-date {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 64px;
            min-height: 64px;
            background: var(--brand-light);
            border-radius: var(--radius-md);
            padding: 8px;
            text-align: center;
        }
        .article-date .day {
            font-size: 20px;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.2;
        }
        .article-date .month {
            font-size: 12px;
            color: var(--muted);
            line-height: 1.3;
            margin-top: 2px;
        }
        .article-body {
            flex: 1;
            min-width: 0;
        }
        .article-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-body h3 a {
            transition: color var(--transition);
        }
        .article-body h3 a:hover {
            color: var(--brand);
        }
        .article-body .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        .article-body .article-meta .badge-tag {
            font-size: 12px;
            font-weight: 500;
            padding: 3px 8px;
            border-radius: 4px;
            background: var(--brand-light);
            color: var(--brand);
        }
        .article-body .article-meta .badge-tag.green {
            background: var(--pitch-light);
            color: var(--pitch);
        }
        .article-body .article-meta .badge-tag.red {
            background: var(--match-light);
            color: var(--match);
        }
        .article-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--pitch);
            transition: color var(--transition);
        }
        .read-more:hover {
            color: var(--pitch-dark);
        }
        .read-more .arrow {
            transition: transform var(--transition);
        }
        .read-more:hover .arrow {
            transform: translateX(4px);
        }
        @media (max-width: 620px) {
            .article-item {
                flex-direction: column;
                gap: 14px;
                padding: 18px;
            }
            .article-date {
                flex-direction: row;
                width: auto;
                min-height: auto;
                gap: 6px;
            }
            .article-date .day {
                font-size: 16px;
            }
        }

        /* CTA Section */
        .cta-section {
            margin-top: 48px;
            background: var(--brand);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            color: #fff;
            box-shadow: 0 8px 24px rgba(26, 75, 140, 0.15);
        }
        .cta-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .cta-section p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 480px;
            line-height: 1.7;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            background: #fff;
            color: var(--brand);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-btn:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }
        .cta-btn:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 2px;
        }
        @media (max-width: 560px) {
            .cta-section {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 22px;
            }
            .cta-btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* Deep content block */
        .deep-block {
            margin-top: 40px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-card);
        }
        .deep-block h2 {
            font-size: 20px;
            font-weight: 650;
            color: var(--title);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .deep-block h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--title);
            margin: 20px 0 8px;
        }
        .deep-block p {
            font-size: 15px;
            color: var(--body);
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .deep-block .highlight-box {
            background: var(--brand-light);
            border-left: 3px solid var(--brand);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 14px 18px;
            margin: 16px 0;
            font-size: 14px;
            color: var(--body);
        }
        @media (max-width: 640px) {
            .deep-block {
                padding: 22px 20px;
            }
        }

        /* ===== Footer ===== */
        footer[role="contentinfo"] {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
            font-size: 14px;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand a {
            color: #fff;
            transition: color var(--transition);
        }
        .footer-brand a:hover {
            color: #b0c9e8;
        }
        .footer-desc {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.8;
            max-width: 400px;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #b0c9e8;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: #64748b;
        }
        .fb-links {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            color: #64748b;
        }
        .fb-links a {
            color: #64748b;
            transition: color var(--transition);
        }
        .fb-links a:hover {
            color: #b0c9e8;
        }
        .fb-links .sep {
            color: #475569;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* Utility */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --brand: #1a4b8c;
            --brand-dark: #153d73;
            --brand-deeper: #0f2f56;
            --brand-light: #e8f0fa;
            --brand-lighter: #f0f5fb;
            --pitch: #1e7a3c;
            --pitch-dark: #165d2f;
            --pitch-light: #e6f4ec;
            --match: #c0392b;
            --match-light: #fce8e6;
            --bg: #f7f9fc;
            --card: #ffffff;
            --title: #0f172a;
            --body: #334155;
            --muted: #64748b;
            --disabled: #94a3b8;
            --border: #e2e8f0;
            --divider: #e8edf3;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 6px rgba(15, 23, 42, 0.04);
            --shadow-hover: 0 4px 12px rgba(26, 75, 140, 0.10), 0 2px 6px rgba(15, 23, 42, 0.06);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-h: 60px;
            --transition: 0.2s ease;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--body);
            font-size: 15px;
            line-height: 1.85;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 1023px) {
            .container {
                padding: 0 18px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ============ Sidebar ============ */
        #sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #fff;
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            padding: 18px 14px 12px;
            z-index: 50;
            box-shadow: 0 0 12px rgba(15, 23, 42, 0.04);
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 10px 18px;
            border-bottom: 1px solid var(--divider);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-badge {
            width: 36px;
            height: 36px;
            background: var(--brand);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--title);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex: 1;
            overflow-y: auto;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            position: relative;
            min-height: 42px;
            transition: background var(--transition), color var(--transition);
        }

        .sidebar-nav a .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .sidebar-nav a:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }

        .sidebar-nav a:hover::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-nav a.active {
            background: rgba(26, 75, 140, 0.10);
            color: var(--brand);
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-footer {
            flex-shrink: 0;
            padding: 14px 10px 6px;
            border-top: 1px solid var(--divider);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }

        .sidebar-footer .footer-icons {
            display: flex;
            gap: 8px;
        }

        .sidebar-footer .footer-icons a {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--bg);
            color: var(--muted);
            font-size: 12px;
            transition: all var(--transition);
        }

        .sidebar-footer .footer-icons a:hover {
            background: var(--brand-light);
            color: var(--brand);
        }

        /* ============ Main Area ============ */
        #main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ============ Mobile Header ============ */
        #mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: #fff;
            border-bottom: 1px solid var(--border);
            z-index: 60;
            padding: 0 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);
        }

        #mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            color: var(--title);
        }

        #mobile-header .mobile-logo .logo-badge {
            width: 30px;
            height: 30px;
            background: var(--brand);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }

        #mobile-header .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            color: var(--body);
            font-size: 20px;
            transition: background var(--transition);
        }

        #mobile-header .hamburger:hover {
            background: var(--brand-light);
        }

        #drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 55;
            opacity: 0;
            transition: opacity 0.25s ease;
        }

        #drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        #drawer {
            position: fixed;
            top: 0;
            left: -280px;
            width: 260px;
            height: 100vh;
            background: #fff;
            z-index: 65;
            padding: 18px 14px 12px;
            display: flex;
            flex-direction: column;
            transition: left 0.25s ease;
            box-shadow: 2px 0 12px rgba(15, 23, 42, 0.12);
        }

        #drawer.open {
            left: 0;
        }

        #drawer .sidebar-logo {
            margin-bottom: 12px;
        }

        #drawer .sidebar-nav {
            flex: 1;
            overflow-y: auto;
        }

        #drawer .sidebar-footer {
            margin-top: 12px;
        }

        /* ============ Page Header ============ */
        .page-header {
            background: linear-gradient(180deg, rgba(26, 75, 140, 0.04) 0%, rgba(247, 249, 252, 0) 100%);
            border-bottom: 1px solid var(--divider);
            padding: 28px 0 22px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
        }

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

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

        .breadcrumb .sep {
            color: var(--disabled);
            font-size: 12px;
        }

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

        .page-header h1 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--title);
            line-height: 1.35;
            margin: 0;
        }

        @media (max-width: 767px) {
            .page-header {
                padding: 18px 0 16px;
            }
            .page-header h1 {
                font-size: 24px;
            }
        }

        /* ============ Article Body ============ */
        .article-body {
            padding: 40px 0 48px;
        }

        .article-body .lead {
            font-size: 16px;
            color: var(--body);
            line-height: 1.9;
            margin-bottom: 24px;
            padding: 16px 20px;
            background: var(--brand-lighter);
            border-left: 4px solid var(--brand);
            border-radius: 0 8px 8px 0;
        }

        .article-body h2 {
            font-size: 23px;
            font-weight: 650;
            color: var(--title);
            margin-top: 36px;
            margin-bottom: 16px;
            letter-spacing: -0.005em;
        }

        .article-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: #1a1a1a;
            margin-top: 26px;
            margin-bottom: 12px;
        }

        .article-body p {
            font-size: 15px;
            color: var(--body);
            line-height: 1.9;
            margin-bottom: 18px;
        }

        .article-body .article-image {
            margin: 26px 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }

        .article-body .article-image img {
            width: 100%;
            height: auto;
        }

        .article-body .article-image .caption {
            padding: 10px 16px;
            font-size: 13px;
            color: var(--muted);
            background: #fff;
            border-top: 1px solid var(--divider);
        }

        /* ============ Data Cards ============ */
        .data-cards-section {
            padding: 8px 0 44px;
        }

        .data-cards-section .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 22px;
        }

        .data-cards-section .section-head h2 {
            font-size: 23px;
            font-weight: 650;
            color: var(--title);
            margin: 0;
            letter-spacing: -0.005em;
        }

        .data-cards-section .section-head .tag-note {
            font-size: 13px;
            color: var(--muted);
        }

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

        .data-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .data-card .card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .data-card .card-date {
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
        }

        .data-card .card-badge {
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 4px;
            background: var(--brand-light);
            color: var(--brand);
        }

        .data-card .card-badge.live {
            background: rgba(192, 57, 43, 0.10);
            color: var(--match);
            border: 1px solid rgba(192, 57, 43, 0.30);
        }

        .data-card .card-badge.soon {
            background: #f1f5f9;
            color: var(--muted);
        }

        .data-card .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 8px;
        }

        .data-card .match-row .team {
            flex: 1;
            text-align: center;
        }

        .data-card .match-row .vs {
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
            flex-shrink: 0;
        }

        .data-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--muted);
            margin-top: 6px;
            flex-wrap: wrap;
        }

        .data-card .card-meta .league {
            color: var(--brand);
            font-weight: 500;
        }

        .data-card .card-link {
            margin-top: auto;
            padding-top: 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--pitch);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }

        .data-card .card-link:hover {
            color: var(--pitch-dark);
        }

        @media (max-width: 1023px) {
            .data-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .data-card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ============ CTA Section ============ */
        .cta-section {
            padding: 36px 0 48px;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(26, 75, 140, 0.06) 0%, rgba(26, 75, 140, 0.02) 60%, rgba(30, 122, 60, 0.04) 100%);
            border: 1px solid rgba(26, 75, 140, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .cta-box .cta-text h3 {
            font-size: 20px;
            font-weight: 650;
            color: var(--title);
            margin: 0 0 8px;
        }

        .cta-box .cta-text p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
        }

        .cta-box .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
            border: none;
            min-height: 44px;
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: var(--shadow-hover);
        }

        .btn-primary:active {
            background: var(--brand-deeper);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--brand);
            color: var(--brand);
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
            min-height: 44px;
        }

        .btn-secondary:hover {
            background: var(--brand-light);
        }

        .btn-secondary:active {
            background: #d5e3f5;
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        @media (max-width: 767px) {
            .cta-box {
                padding: 24px 20px;
                flex-direction: column;
                text-align: center;
            }
            .cta-box .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 8px 0 44px;
        }

        .faq-section h2 {
            font-size: 23px;
            font-weight: 650;
            color: var(--title);
            margin-bottom: 20px;
            letter-spacing: -0.005em;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            background: #fff;
            min-height: 48px;
            transition: background var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            background: var(--brand-lighter);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: -2px;
        }

        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--muted);
            flex-shrink: 0;
            transition: transform 0.25s ease;
            font-weight: 400;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--body);
            line-height: 1.85;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* ============ Footer ============ */
        footer[role="contentinfo"] {
            background: #0f172a;
            color: #cbd5e1;
            padding: 44px 0 24px;
            margin-top: auto;
        }

        footer .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 1023px) {
            footer .container {
                padding: 0 18px;
            }
        }

        @media (max-width: 767px) {
            footer .container {
                padding: 0 16px;
            }
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }

        .footer-brand a {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            transition: color var(--transition);
        }

        .footer-brand a:hover {
            color: #93b4e0;
        }

        .footer-desc {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.75;
            margin-top: 10px;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 14px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 13px;
            color: #94a3b8;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(148, 163, 184, 0.15);
            font-size: 12px;
            color: #94a3b8;
        }

        .footer-bottom .fb-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .footer-bottom .fb-links a {
            color: #94a3b8;
            transition: color var(--transition);
        }

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

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ============ Responsive Sidebar ============ */
        @media (max-width: 1023px) {
            #sidebar {
                display: none;
            }
            #main {
                margin-left: 0;
                padding-top: var(--header-h);
            }
            #mobile-header {
                display: flex;
            }
        }

        @media (min-width: 1024px) {
            #mobile-header, #drawer, #drawer-overlay {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root {
            --brand: #1a4b8c;
            --brand-dark: #153d73;
            --brand-deeper: #0f2f56;
            --brand-light: #e8f0fa;
            --brand-lighter: #f0f5fb;
            --pitch: #1e7a3c;
            --pitch-dark: #165d2f;
            --pitch-light: #e6f4ec;
            --match: #c0392b;
            --match-light: #fce8e6;
            --bg: #f7f9fc;
            --card: #ffffff;
            --title: #0f172a;
            --body: #334155;
            --muted: #64748b;
            --disabled: #94a3b8;
            --border: #e2e8f0;
            --divider: #e8edf3;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 6px rgba(15, 23, 42, 0.04);
            --shadow-hover: 0 4px 12px rgba(26, 75, 140, 0.10), 0 2px 6px rgba(15, 23, 42, 0.06);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-h: 60px;
            --transition: 0.2s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--body);
            font-size: 15px;
            line-height: 1.85;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition);
        }
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* Sidebar */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--card);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            padding: 18px 12px 12px;
            z-index: 50;
            transition: transform var(--transition);
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 10px 18px;
            border-bottom: 1px solid var(--divider);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .sidebar-logo .logo-badge {
            width: 36px;
            height: 36px;
            background: var(--brand);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .sidebar-logo .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--title);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex: 1;
            overflow-y: auto;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            position: relative;
            min-height: 42px;
            flex-shrink: 0;
            transition: background var(--transition), color var(--transition);
        }
        .sidebar-nav a .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }
        .sidebar-nav a:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }
        .sidebar-nav a:hover::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }
        .sidebar-nav a.active {
            background: rgba(26, 75, 140, 0.10);
            color: var(--brand);
            font-weight: 600;
        }
        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }
        .sidebar-footer {
            flex-shrink: 0;
            padding: 14px 10px 6px;
            border-top: 1px solid var(--divider);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }
        .sidebar-footer .footer-icons {
            display: flex;
            gap: 6px;
        }
        .sidebar-footer .footer-icons a {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--bg);
            color: var(--muted);
            font-size: 12px;
            transition: all var(--transition);
        }
        .sidebar-footer .footer-icons a:hover {
            background: var(--brand-light);
            color: var(--brand);
        }

        #main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Mobile Header */
        #mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: var(--card);
            border-bottom: 1px solid var(--border);
            z-index: 40;
            align-items: center;
            padding: 0 16px;
            gap: 10px;
        }
        #mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--title);
            font-size: 15px;
        }
        #mobile-header .mobile-logo .logo-badge {
            width: 28px;
            height: 28px;
            background: var(--brand);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
        }
        #mobile-header .hamburger {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--bg);
            color: var(--title);
            font-size: 18px;
            margin-left: auto;
            transition: background var(--transition);
        }
        #mobile-header .hamburger:hover {
            background: var(--brand-light);
        }

        /* Overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.45);
            z-index: 45;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .sidebar-overlay.show {
            opacity: 1;
        }

        /* Page-specific */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb .sep {
            color: var(--disabled);
        }
        .breadcrumb .current {
            color: var(--brand);
            font-weight: 500;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--brand);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 500;
            min-height: 42px;
            transition: all var(--transition);
            border: 1px solid var(--brand);
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            border-color: var(--brand-dark);
        }
        .btn-primary:active {
            background: var(--brand-deeper);
            border-color: var(--brand-deeper);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: transparent;
            color: var(--brand);
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 500;
            min-height: 42px;
            border: 1.5px solid var(--brand);
            transition: all var(--transition);
        }
        .btn-secondary:hover {
            background: var(--brand-light);
        }
        .btn-secondary:active {
            background: #d5e3f5;
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }
        .btn-green {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--pitch);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            min-height: 38px;
            transition: all var(--transition);
            border: 1px solid var(--pitch);
        }
        .btn-green:hover {
            background: var(--pitch-dark);
            border-color: var(--pitch-dark);
        }
        .btn-green:focus-visible {
            outline: 2px solid var(--pitch);
            outline-offset: 2px;
        }

        .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(192, 57, 43, 0.10);
            color: var(--match);
            border: 1px solid rgba(192, 57, 43, 0.30);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 500;
        }
        .badge-done {
            display: inline-flex;
            align-items: center;
            background: var(--brand-light);
            color: var(--brand);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 500;
        }
        .badge-upcoming {
            display: inline-flex;
            align-items: center;
            background: #f1f5f9;
            color: var(--muted);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 500;
        }

        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
        }

        .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .stat-num.green {
            color: var(--pitch);
        }
        .stat-num.red {
            color: var(--match);
        }

        .section-title {
            font-size: 24px;
            font-weight: 650;
            color: var(--title);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .data-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            background: var(--card);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
            font-size: 14px;
        }
        .data-table th {
            background: var(--brand-lighter);
            color: var(--title);
            font-weight: 600;
            text-align: left;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
            font-size: 13px;
        }
        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--divider);
            color: var(--body);
            white-space: nowrap;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tbody tr {
            transition: background var(--transition);
        }
        .data-table tbody tr:hover {
            background: var(--brand-lighter);
        }
        .data-table .league-tag {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 500;
        }
        .score-cell {
            font-weight: 700;
            color: var(--title);
            font-size: 15px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--card);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--brand);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 14px 18px;
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            min-height: 48px;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--brand);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--muted);
            font-size: 16px;
            transition: transform var(--transition), color var(--transition);
        }
        .faq-answer {
            display: none;
            padding: 0 18px 16px;
            font-size: 14px;
            color: var(--body);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            display: block;
            animation: fadeIn 0.25s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--brand);
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-4px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
        }

        .footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-brand a {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            transition: color var(--transition);
        }
        .footer-brand a:hover {
            color: var(--brand);
        }
        .footer-desc {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.7;
            margin-top: 8px;
            max-width: 360px;
        }
        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 12px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #64748b;
        }
        .fb-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #64748b;
        }
        .fb-links a {
            color: #64748b;
            transition: color var(--transition);
        }
        .fb-links a:hover {
            color: #cbd5e1;
        }

        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
                width: 260px;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
                pointer-events: none;
            }
            .sidebar-overlay.show {
                pointer-events: auto;
            }
            #mobile-header {
                display: flex;
            }
            #main {
                margin-left: 0;
                padding-top: var(--header-h);
            }
            .container {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-title {
                font-size: 20px;
            }
            .stat-num {
                font-size: 24px;
            }
            .data-table-wrap {
                border-radius: var(--radius-md);
            }
        }
        @media (min-width: 1024px) {
            .sidebar-overlay {
                display: none !important;
            }
        }

/* roulang page: category4 */
:root {
            --brand: #1a4b8c;
            --brand-dark: #153d73;
            --brand-deeper: #0f2f56;
            --brand-light: #e8f0fa;
            --brand-lighter: #f0f5fb;
            --pitch: #1e7a3c;
            --pitch-dark: #165d2f;
            --pitch-light: #e6f4ec;
            --match: #c0392b;
            --match-light: #fce8e6;
            --bg: #f7f9fc;
            --card: #ffffff;
            --title: #0f172a;
            --body: #334155;
            --muted: #64748b;
            --disabled: #94a3b8;
            --border: #e2e8f0;
            --divider: #e8edf3;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 6px rgba(15, 23, 42, 0.04);
            --shadow-hover: 0 4px 12px rgba(26, 75, 140, 0.10), 0 2px 6px rgba(15, 23, 42, 0.06);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-h: 60px;
            --transition: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--body);
            font-size: 15px;
            line-height: 1.85;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
        }

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

        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ============ Sidebar ============ */
        #sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: #fff;
            border-right: 1px solid var(--divider);
            z-index: 60;
            display: flex;
            flex-direction: column;
            padding: 18px 14px;
            box-shadow: 0 0 20px rgba(15, 23, 42, 0.03);
            transition: transform var(--transition);
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 10px 18px;
            border-bottom: 1px solid var(--divider);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-badge {
            width: 36px;
            height: 36px;
            background: var(--brand);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
            line-height: 1;
        }

        .sidebar-logo .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--title);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex: 1;
            overflow-y: auto;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            position: relative;
            min-height: 42px;
            transition: background var(--transition), color var(--transition);
            flex-shrink: 0;
        }

        .sidebar-nav a .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            line-height: 1;
        }

        .sidebar-nav a:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }

        .sidebar-nav a:hover::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-nav a.active {
            background: rgba(26, 75, 140, 0.10);
            color: var(--brand);
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-footer {
            flex-shrink: 0;
            padding: 14px 10px 6px;
            border-top: 1px solid var(--divider);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }

        .sidebar-footer .footer-icons {
            display: flex;
            gap: 8px;
        }

        .sidebar-footer .footer-icons a {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--bg);
            color: var(--muted);
            font-size: 12px;
            transition: all var(--transition);
        }

        .sidebar-footer .footer-icons a:hover {
            background: var(--brand-light);
            color: var(--brand);
        }

        /* ============ Main Area ============ */
        #main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ============ Mobile Header ============ */
        #mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: #fff;
            border-bottom: 1px solid var(--divider);
            z-index: 70;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
        }

        #mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--title);
            font-size: 15px;
        }

        #mobile-header .mobile-logo .logo-badge {
            width: 30px;
            height: 30px;
            background: var(--brand);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
            line-height: 1;
        }

        #hamburger {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--bg);
            color: var(--title);
            font-size: 22px;
            transition: background var(--transition);
            flex-shrink: 0;
        }

        #hamburger:hover {
            background: var(--brand-light);
            color: var(--brand);
        }

        #drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 42, 0.55);
            z-index: 65;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }

        #drawer-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .divider {
            color: var(--disabled);
            user-select: none;
        }

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

        /* ============ Buttons ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 500;
            min-height: 44px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

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

        .btn-primary:active {
            background: var(--brand-deeper);
            transform: translateY(0);
            box-shadow: none;
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1.5px solid var(--brand);
            color: var(--brand);
            border-radius: var(--radius-sm);
            padding: 9px 24px;
            font-size: 14px;
            font-weight: 500;
            min-height: 44px;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            background: var(--brand-light);
            transform: translateY(0);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        .btn-pitch {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--pitch);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 500;
            min-height: 40px;
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-pitch:hover {
            background: var(--pitch-dark);
            transform: translateY(-1px);
        }

        .btn-pitch:focus-visible {
            outline: 2px solid var(--pitch);
            outline-offset: 2px;
        }

        /* ============ Cards ============ */
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #d5e3f5;
            transform: translateY(-2px);
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            transition: border-color var(--transition), box-shadow var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: #d5e3f5;
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            text-align: left;
            min-height: 52px;
            transition: color var(--transition), background var(--transition);
        }

        .faq-question:hover {
            color: var(--brand);
            background: var(--brand-lighter);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: var(--radius-md);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 16px;
            transition: transform var(--transition), background var(--transition);
            line-height: 1;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
            opacity: 0;
            padding: 0 20px;
            color: var(--body);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-answer.open {
            max-height: 600px;
            opacity: 1;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            margin: 0 0 8px;
        }

        .faq-answer p:last-child {
            margin-bottom: 0;
        }

        /* ============ Tags / Badges ============ */
        .tag {
            display: inline-flex;
            align-items: center;
            background: var(--brand-light);
            color: var(--brand);
            border-radius: 4px;
            padding: 4px 8px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.4;
            white-space: nowrap;
        }

        .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(192, 57, 43, 0.10);
            color: var(--match);
            border: 1px solid rgba(192, 57, 43, 0.30);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 500;
        }

        .badge-done {
            display: inline-flex;
            align-items: center;
            background: var(--brand-light);
            color: var(--brand);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 500;
        }

        .badge-upcoming {
            display: inline-flex;
            align-items: center;
            background: #f1f5f9;
            color: var(--muted);
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 500;
        }

        /* ============ News List ============ */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--divider);
            align-items: flex-start;
            transition: background var(--transition);
        }

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

        .news-item .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--brand-light);
        }

        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-date {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 4px;
        }

        .news-item .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-item .news-abstract {
            font-size: 14px;
            color: var(--body);
            line-height: 1.7;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-link {
            font-size: 13px;
            color: var(--pitch);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }

        .news-item .news-link:hover {
            color: var(--pitch-dark);
        }

        /* ============ Footer ============ */
        footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: 80px;
        }

        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        footer .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        footer .footer-brand a {
            color: #fff;
        }

        footer .footer-brand a:hover {
            color: var(--brand-light);
        }

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

        footer .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        footer .footer-links a {
            color: #cbd5e1;
            font-size: 14px;
            transition: color var(--transition);
        }

        footer .footer-links a:hover {
            color: var(--brand-light);
        }

        footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: #94a3b8;
        }

        footer .fb-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        footer .fb-links a {
            color: #cbd5e1;
            transition: color var(--transition);
        }

        footer .fb-links a:hover {
            color: var(--brand-light);
        }

        /* ============ Responsive ============ */
        @media (max-width: 1280px) {
            .container {
                padding: 0 24px;
            }
        }

        @media (max-width: 1023px) {
            #sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }

            #sidebar.active {
                transform: translateX(0);
                box-shadow: 0 0 30px rgba(15, 23, 42, 0.2);
            }

            #main {
                margin-left: 0;
                padding-top: var(--header-h);
            }

            #mobile-header {
                display: flex;
            }

            .container {
                padding: 0 18px;
            }

            footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            footer {
                padding: 36px 0 20px;
            }

            footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .news-item {
                flex-direction: column;
                gap: 10px;
            }

            .news-item .news-thumb {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 24px;
                line-height: 1.4;
            }

            h2 {
                font-size: 20px;
            }

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

            .news-item .news-thumb {
                height: 140px;
            }
        }

/* roulang page: category5 */
:root {
            --brand: #1a4b8c;
            --brand-dark: #153d73;
            --brand-deeper: #0f2f56;
            --brand-light: #e8f0fa;
            --brand-lighter: #f0f5fb;
            --pitch: #1e7a3c;
            --pitch-dark: #165d2f;
            --pitch-light: #e6f4ec;
            --match: #c0392b;
            --match-light: #fce8e6;
            --bg: #f7f9fc;
            --card: #ffffff;
            --title: #0f172a;
            --body: #334155;
            --muted: #64748b;
            --disabled: #94a3b8;
            --border: #e2e8f0;
            --divider: #e8edf3;
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 6px rgba(15, 23, 42, 0.04);
            --shadow-hover: 0 4px 12px rgba(26, 75, 140, 0.10), 0 2px 6px rgba(15, 23, 42, 0.06);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-h: 60px;
            --transition: 0.2s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--body);
            font-size: 15px;
            line-height: 1.85;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== App Shell Sidebar ========== */
        .app-shell {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--card);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 50;
            overflow-y: auto;
            padding: 18px 14px 12px;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 10px 18px;
            border-bottom: 1px solid var(--divider);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-badge {
            width: 36px;
            height: 36px;
            background: var(--brand);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--title);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            flex: 1;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            color: var(--body);
            position: relative;
            min-height: 42px;
            transition: background var(--transition), color var(--transition);
        }

        .sidebar-nav a .nav-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .sidebar-nav a:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }

        .sidebar-nav a:hover::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-nav a.active {
            background: rgba(26, 75, 140, 0.10);
            color: var(--brand);
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--brand);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-footer {
            flex-shrink: 0;
            padding: 14px 10px 6px;
            border-top: 1px solid var(--divider);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }

        .sidebar-footer .footer-icons {
            display: flex;
            gap: 8px;
        }

        .sidebar-footer .footer-icons a {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--bg);
            color: var(--muted);
            font-size: 12px;
            transition: all var(--transition);
        }

        .sidebar-footer .footer-icons a:hover {
            background: var(--brand-light);
            color: var(--brand);
        }

        /* ========== Main Area ========== */
        #main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== Mobile Header ========== */
        #mobile-header {
            display: none;
            position: sticky;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: var(--card);
            border-bottom: 1px solid var(--border);
            z-index: 60;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        #mobile-header .logo-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--title);
        }

        .hamburger-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: var(--brand-light);
            color: var(--brand);
            font-size: 20px;
            transition: background var(--transition);
        }

        .hamburger-btn:hover {
            background: var(--brand-lighter);
        }

        .hamburger-btn:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        /* ========== Drawer ========== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 70;
            display: none;
            opacity: 0;
            transition: opacity 0.25s ease;
        }

        .drawer-overlay.open {
            display: block;
            opacity: 1;
        }

        .drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 270px;
            height: 100vh;
            background: var(--card);
            z-index: 80;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            padding: 18px 14px;
            box-shadow: 2px 0 20px rgba(15, 23, 42, 0.15);
        }

        .drawer.open {
            transform: translateX(0);
        }

        .drawer-close {
            align-self: flex-end;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: var(--bg);
            color: var(--muted);
            font-size: 18px;
            margin-bottom: 8px;
        }

        .drawer-close:hover {
            background: var(--brand-light);
            color: var(--brand);
        }

        .drawer .sidebar-nav a {
            font-size: 15px;
        }

        .drawer .sidebar-footer {
            border-top: 1px solid var(--divider);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--muted);
            padding: 20px 0 8px;
        }

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

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

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

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

        /* ========== Buttons ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 500;
            min-height: 44px;
            transition: background var(--transition), transform var(--transition);
        }

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

        .btn-primary:active {
            background: var(--brand-deeper);
            transform: translateY(0);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--brand);
            color: var(--brand);
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 500;
            min-height: 44px;
            transition: background var(--transition), color var(--transition);
        }

        .btn-secondary:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }

        .btn-secondary:active {
            background: #d5e3f5;
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        .btn-pitch {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--pitch);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            min-height: 38px;
            transition: background var(--transition);
        }

        .btn-pitch:hover {
            background: var(--pitch-dark);
        }

        .btn-pitch:focus-visible {
            outline: 2px solid var(--pitch);
            outline-offset: 2px;
        }

        /* ========== Badges & Tags ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.5;
        }

        .badge-brand {
            background: var(--brand-light);
            color: var(--brand);
            border: 1px solid rgba(26, 75, 140, 0.2);
        }

        .badge-pitch {
            background: var(--pitch-light);
            color: var(--pitch);
            border: 1px solid rgba(30, 122, 60, 0.2);
        }

        .badge-match {
            background: var(--match-light);
            color: var(--match);
            border: 1px solid rgba(192, 57, 43, 0.2);
        }

        .badge-muted {
            background: #f1f5f9;
            color: var(--muted);
            border: 1px solid var(--border);
        }

        /* ========== Cards ========== */
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .stat-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            text-align: center;
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        .stat-number.pitch {
            color: var(--pitch);
        }

        .stat-label {
            font-size: 14px;
            color: var(--muted);
            margin-top: 6px;
        }

        /* ========== News List ========== */
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--divider);
            transition: background var(--transition);
            border-radius: var(--radius-md);
            padding-left: 12px;
            padding-right: 12px;
        }

        .news-item:hover {
            background: var(--brand-lighter);
        }

        .news-date {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--muted);
            padding-top: 2px;
            min-width: 80px;
        }

        .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .news-content p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        .news-content .read-more {
            display: inline-block;
            color: var(--pitch);
            font-size: 13px;
            font-weight: 500;
            margin-top: 6px;
            transition: color var(--transition);
        }

        .news-content .read-more:hover {
            color: var(--pitch-dark);
        }

        /* ========== Section Headings ========== */
        .section-heading {
            margin-bottom: 28px;
        }

        .section-heading h2 {
            font-size: 24px;
            font-weight: 650;
            color: var(--title);
            letter-spacing: -0.01em;
            line-height: 1.4;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--muted);
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--card);
            transition: box-shadow var(--transition);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--title);
            text-align: left;
            background: var(--card);
            min-height: 52px;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--brand-lighter);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: -2px;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--brand);
            transition: transform 0.25s ease;
            user-select: none;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--body);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ========== Hero Large Image ========== */
        .knowledge-hero {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: 16px;
            background-image: linear-gradient(to bottom, rgba(26, 75, 140, 0.75), rgba(15, 23, 42, 0.82)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 380px;
            display: flex;
            align-items: center;
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
        }

        .knowledge-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 75, 140, 0.55) 0%, rgba(15, 23, 42, 0.65) 100%);
            pointer-events: none;
        }

        .knowledge-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 620px;
            color: #fff;
        }

        .knowledge-hero .hero-content h1 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.35;
            margin-bottom: 16px;
            color: #fff;
        }

        .knowledge-hero .hero-content p {
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 24px;
        }

        .knowledge-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .knowledge-hero .hero-actions .btn-primary {
            background: #fff;
            color: var(--brand);
            font-weight: 600;
        }

        .knowledge-hero .hero-actions .btn-primary:hover {
            background: var(--brand-light);
            color: var(--brand-dark);
        }

        .knowledge-hero .hero-actions .btn-secondary {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .knowledge-hero .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
        }

        /* ========== Data Cards Row ========== */
        .data-cards-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: -20px;
            position: relative;
            z-index: 2;
        }

        /* ========== Deep Content ========== */
        .deep-content {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .deep-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .deep-content p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--body);
            margin-bottom: 16px;
        }

        .deep-content p:last-child {
            margin-bottom: 0;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--brand);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            color: #fff;
        }

        .cta-section h3 {
            font-size: 22px;
            font-weight: 650;
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            line-height: 1.75;
        }

        .cta-section .cta-input-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .cta-section input {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            color: #fff;
            font-size: 14px;
            min-width: 240px;
            height: 44px;
            transition: border-color var(--transition), background var(--transition);
        }

        .cta-section input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .cta-section input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.18);
            outline: 2px solid rgba(255, 255, 255, 0.3);
            outline-offset: 1px;
        }

        .cta-section .btn-white {
            background: #fff;
            color: var(--brand);
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

        .cta-section .btn-white:hover {
            background: var(--brand-light);
        }

        /* ========== Footer ========== */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 48px 0 28px;
            margin-top: 60px;
        }

        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .footer-brand a {
            color: #fff;
            transition: color var(--transition);
        }

        .footer-brand a:hover {
            color: var(--brand-light);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: #94a3b8;
            max-width: 380px;
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 12px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #64748b;
        }

        .fb-links {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .fb-links a {
            color: #94a3b8;
            transition: color var(--transition);
        }

        .fb-links a:hover {
            color: #fff;
        }

        .fb-links span {
            color: #64748b;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1280px) {
            :root {
                --sidebar-width: 220px;
            }
            .container {
                padding: 0 28px;
            }
        }

        @media (max-width: 1023px) {
            .app-shell {
                display: none;
            }
            #main {
                margin-left: 0;
            }
            #mobile-header {
                display: flex;
            }
            .container {
                padding: 0 20px;
            }
            .knowledge-hero {
                min-height: 320px;
                padding: 36px 28px;
            }
            .knowledge-hero .hero-content h1 {
                font-size: 26px;
            }
            .data-cards-row {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .knowledge-hero {
                min-height: 280px;
                padding: 28px 20px;
                background-position: center right;
            }
            .knowledge-hero .hero-content h1 {
                font-size: 22px;
            }
            .knowledge-hero .hero-content p {
                font-size: 14px;
            }
            .knowledge-hero .hero-actions {
                flex-direction: column;
                gap: 8px;
            }
            .knowledge-hero .hero-actions .btn-primary,
            .knowledge-hero .hero-actions .btn-secondary {
                width: 100%;
            }
            .data-cards-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 26px;
            }
            .deep-content {
                padding: 20px 16px;
            }
            .deep-content h3 {
                font-size: 17px;
            }
            .deep-content p {
                font-size: 14px;
                line-height: 1.8;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
                padding: 14px 10px;
            }
            .news-date {
                min-width: auto;
            }
            .cta-section {
                padding: 28px 20px;
                flex-direction: column;
                align-items: stretch;
            }
            .cta-section .cta-input-group {
                flex-direction: column;
            }
            .cta-section input {
                min-width: auto;
                width: 100%;
            }
            .cta-section .btn-white {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .knowledge-hero {
                min-height: 260px;
                padding: 24px 16px;
            }
            .knowledge-hero .hero-content h1 {
                font-size: 19px;
            }
            .section-heading h2 {
                font-size: 20px;
            }
            .card {
                padding: 16px;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .drawer {
                width: 260px;
            }
        }