/* roulang page: index */
:root {
            --sidebar-width: 265px;
            --color-primary: #1a3352;
            --color-primary-light: #243f64;
            --color-accent: #c8923a;
            --color-accent-light: #d4a853;
            --color-accent-dark: #a8752e;
            --color-bg: #f5f6f9;
            --color-white: #ffffff;
            --color-text: #1c1c1e;
            --color-text-soft: #5a5d66;
            --color-text-muted: #8b8f98;
            --color-border: #e4e6ec;
            --color-border-light: #eff1f5;
            --color-sidebar-bg: #0c1525;
            --color-sidebar-text: #b0b8c8;
            --color-sidebar-hover: #1a2740;
            --color-sidebar-active: #c8923a;
            --color-card-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --color-card-shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.11);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        .app-shell {
            display: flex;
            min-height: 100vh;
            position: relative;
        }

        /* SIDEBAR */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar-bg);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-base);
            box-shadow: 3px 0 20px rgba(0, 0, 0, 0.18);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.12) transparent;
        }
        .app-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .app-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .app-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 26px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.2;
        }
        .sidebar-brand .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .sidebar-brand .brand-sub {
            font-size: 0.78rem;
            color: var(--color-sidebar-text);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 14px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.3);
            padding: 10px 10px 6px;
            font-weight: 600;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--color-sidebar-text);
            font-size: 0.93rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
        }
        .sidebar-nav a i {
            font-size: 1.1rem;
            width: 22px;
            text-align: center;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: var(--color-sidebar-hover);
            color: #e0e5ed;
            transform: translateX(2px);
        }
        .sidebar-nav a.active {
            background: rgba(200, 146, 58, 0.15);
            color: var(--color-sidebar-active);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-sidebar-active);
        }
        .sidebar-nav a.active i {
            color: var(--color-sidebar-active);
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.3);
        }

        /* MAIN */
        .app-main {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-base);
        }

        /* MOBILE TOP BAR */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--color-sidebar-bg);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
        }
        .mobile-topbar .mobile-logo {
            font-weight: 700;
            color: #fff;
            font-size: 1.1rem;
            letter-spacing: 0.03em;
            flex: 1;
        }
        .mobile-topbar .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-topbar .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* OFFCANVAS OVERRIDES */
        .offcanvas-sidebar {
            background: var(--color-sidebar-bg) !important;
            color: var(--color-sidebar-text);
            width: var(--sidebar-width) !important;
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 20px;
        }
        .offcanvas-sidebar .offcanvas-title {
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 12px 14px;
            display: flex;
            flex-direction: column;
        }
        .offcanvas-sidebar .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--color-sidebar-text);
            font-size: 0.93rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .offcanvas-sidebar .offcanvas-body a:hover {
            background: var(--color-sidebar-hover);
            color: #e0e5ed;
        }
        .offcanvas-sidebar .offcanvas-body a.active {
            background: rgba(200, 146, 58, 0.15);
            color: var(--color-sidebar-active);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-sidebar-active);
        }
        .offcanvas-sidebar .offcanvas-body .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.3);
            padding: 10px 10px 6px;
            font-weight: 600;
        }

        /* CONTAINER */
        .content-container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 28px;
            width: 100%;
        }
        @media (min-width: 1400px) {
            .content-container {
                max-width: 1240px;
            }
        }

        /* HERO */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0c1525 0%, #152238 40%, #1a3352 100%);
            color: #fff;
            padding: 70px 0 80px;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .hero-section .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }
        .hero-section .hero-glow {
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 146, 58, 0.2) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }
        .hero-section .content-container {
            position: relative;
            z-index: 2;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .hero-title .accent {
            color: var(--color-accent-light);
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent-light);
            line-height: 1;
        }
        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.3;
        }
        .btn-hero {
            display: inline-block;
            padding: 13px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 30px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            box-shadow: 0 4px 16px rgba(200, 146, 58, 0.35);
        }
        .btn-hero:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 146, 58, 0.45);
        }
        .btn-hero-outline {
            display: inline-block;
            padding: 12px 30px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 30px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            margin-left: 12px;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* SECTION */
        .section-block {
            padding: 60px 0;
        }
        .section-block-sm {
            padding: 40px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 0.98rem;
            color: var(--color-text-soft);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered .section-desc {
            margin: 0 auto;
        }

        /* STATS CARDS */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            text-align: center;
            box-shadow: var(--color-card-shadow);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--color-card-shadow-hover);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 4px;
        }
        .stat-card .stat-unit {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ADVANTAGE CARDS */
        .adv-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .adv-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .adv-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--color-card-shadow-hover);
            border-color: var(--color-border);
        }
        .adv-card .adv-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background: rgba(26, 51, 82, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .adv-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
        }
        .adv-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.65;
        }

        /* CATEGORY GRID */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .cat-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--color-card-shadow-hover);
        }
        .cat-card .cat-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .cat-card .cat-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cat-card .cat-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
        }
        .cat-card .cat-body p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0 0 12px;
            line-height: 1.55;
        }
        .cat-card .cat-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .cat-card .cat-link:hover {
            gap: 8px;
            color: var(--color-accent-dark);
        }

        /* BRAND STORY */
        .brand-story-block {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 44px 36px;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 32px;
            align-items: center;
        }
        .brand-story-block .story-img {
            width: 280px;
            height: 280px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .brand-story-block .story-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .brand-story-block .story-content p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.8;
            margin-bottom: 8px;
        }

        /* NEWS */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all var(--transition-base);
        }
        .news-item:hover {
            box-shadow: var(--color-card-shadow-hover);
            transform: translateX(3px);
        }
        .news-item .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 4px;
        }
        .news-item .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-item .news-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-readmore {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
        }

        /* TESTIMONIALS */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            box-shadow: var(--color-card-shadow);
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .testimonial-card .quote-mark {
            font-size: 3rem;
            color: rgba(200, 146, 58, 0.2);
            line-height: 1;
            position: absolute;
            top: 14px;
            left: 18px;
            pointer-events: none;
        }
        .testimonial-card .testi-text {
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .testimonial-card .testi-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .testimonial-card .testi-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-item .faq-question:hover {
            background: #fafbfc;
        }
        .faq-item .faq-question .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            border-top: 0px solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 14px 22px 18px;
            border-top: 1px solid var(--color-border-light);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(150deg, #0c1525 0%, #152238 60%, #1a3352 100%);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            border-radius: var(--radius-lg);
            margin: 20px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-section .cta-glow {
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 146, 58, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin: 10px auto 22px;
            font-size: 0.95rem;
        }
        .btn-cta {
            display: inline-block;
            padding: 13px 34px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 30px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            box-shadow: 0 4px 18px rgba(200, 146, 58, 0.4);
            position: relative;
            z-index: 1;
        }
        .btn-cta:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(200, 146, 58, 0.5);
        }

        /* FOOTER */
        .site-footer {
            background: #0c1525;
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 28px;
            font-size: 0.88rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 24px;
        }
        .footer-grid h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-grid a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.84rem;
            padding: 3px 0;
            transition: color var(--transition-fast);
        }
        .footer-grid a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* BTN STYLES */
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            cursor: pointer;
            box-shadow: 0 3px 12px rgba(200, 146, 58, 0.25);
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 146, 58, 0.4);
        }

        /* RESPONSIVE */
        @media (max-width: 1199px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 991px) {
            .app-sidebar {
                transform: translateX(-100%);
            }
            .app-sidebar.mobile-open {
                transform: translateX(0);
            }
            .app-main {
                margin-left: 0 !important;
            }
            .mobile-topbar {
                display: flex;
            }
            .app-main {
                padding-top: 56px;
            }
            .hero-section {
                padding: 48px 0 56px;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .adv-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-story-block {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }
            .brand-story-block .story-img {
                width: 200px;
                height: 200px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 44px 20px;
                border-radius: var(--radius-md);
                margin: 16px 10px 30px;
            }
            .cta-section h3 {
                font-size: 1.35rem;
            }
            .content-container {
                padding: 0 16px;
            }
        }
        @media (max-width: 767px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-stats-row {
                gap: 16px;
                flex-direction: column;
            }
            .hero-stat-item .stat-num {
                font-size: 1.5rem;
            }
            .btn-hero-outline {
                margin-left: 0;
                margin-top: 10px;
                display: block;
                text-align: center;
                width: fit-content;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .adv-grid {
                grid-template-columns: 1fr;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 160px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-block {
                padding: 36px 0;
            }
            .brand-story-block {
                padding: 20px 16px;
            }
            .hero-section {
                padding: 36px 0 44px;
            }
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cat-card .cat-img {
                height: 140px;
            }
            .news-item .news-thumb {
                height: 130px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0b1e33;
            --primary-light: #132a45;
            --accent: #c8963e;
            --accent-light: #d9aa52;
            --accent-dark: #a67a2e;
            --bg: #ffffff;
            --bg-soft: #f4f5f7;
            --bg-muted: #e9eaed;
            --text: #1a1d24;
            --text-soft: #4a4f5a;
            --text-muted: #7c818d;
            --border: #dfe1e5;
            --border-light: #eceef1;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.11);
            --sidebar-width: 248px;
            --sidebar-collapsed: 0px;
            --header-mobile-h: 56px;
            --transition-fast: 0.18s ease;
            --transition: 0.26s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg-soft);
            color: var(--text);
            line-height: 1.65;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        /* ========== SIDEBAR ========== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            color: #ffffff;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            transition: transform var(--transition), box-shadow var(--transition);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-name {
            font-size: 1.28rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 9px;
        }
        .sidebar-brand .brand-name i {
            color: var(--accent);
            font-size: 1.4rem;
        }
        .sidebar-brand .brand-tagline {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 3px;
            letter-spacing: 0.04em;
        }
        .sidebar-nav {
            flex: 1;
            padding: 14px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav .nav-label {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.3);
            padding: 10px 10px 6px;
            display: block;
            font-weight: 600;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav a i {
            font-size: 1.1rem;
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #ffffff;
        }
        .sidebar-nav a.active {
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.3);
        }
        .sidebar-nav a.active i {
            color: #ffffff;
        }
        .sidebar-footer-tag {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.3);
            flex-shrink: 0;
            text-align: center;
            letter-spacing: 0.03em;
        }

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

        /* Mobile header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-h);
            background: var(--primary);
            color: #fff;
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
        }
        .mobile-header .brand-name-sm {
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            flex: 1;
        }
        .mobile-header .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-header .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1045;
        }
        .sidebar-overlay.show {
            display: block;
        }

        /* ========== CONTENT CONTAINER ========== */
        .content-container {
            max-width: 1040px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }
        .section-pad {
            padding: 56px 0;
        }
        .section-pad-sm {
            padding: 40px 0;
        }

        /* ========== HERO BANNER ========== */
        .category-hero {
            background: var(--primary-light);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-blend-mode: overlay;
            position: relative;
            padding: 80px 0 72px;
            color: #ffffff;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 30, 51, 0.88) 0%, rgba(11, 30, 51, 0.65) 100%);
            z-index: 1;
        }
        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 30px;
            letter-spacing: 0.05em;
            margin-bottom: 18px;
        }
        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .category-hero .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .category-hero .hero-stat {
            text-align: center;
        }
        .category-hero .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1.1;
        }
        .category-hero .hero-stat .stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.04em;
        }

        /* ========== SECTION TITLES ========== */
        .section-label {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-dark);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-soft);
            max-width: 600px;
            line-height: 1.6;
            margin-bottom: 36px;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .card-custom .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .card-custom .card-icon.blue {
            background: #e8f0fa;
            color: #1a4f8a;
        }
        .card-custom .card-icon.gold {
            background: #fdf3e0;
            color: #c8963e;
        }
        .card-custom .card-icon.green {
            background: #e6f5ec;
            color: #2d7a4a;
        }
        .card-custom .card-icon.purple {
            background: #f0eafa;
            color: #5c3d99;
        }
        .card-custom h4 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 7px;
            color: var(--text);
        }
        .card-custom p {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== STAT CARD ========== */
        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .stat-card .stat-value.accent {
            color: var(--accent-dark);
        }
        .stat-card .stat-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== CASE LIST ========== */
        .case-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            margin-bottom: 12px;
        }
        .case-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }
        .case-item .case-thumb {
            width: 80px;
            height: 56px;
            border-radius: var(--radius);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-muted);
        }
        .case-item .case-info {
            flex: 1;
            min-width: 0;
        }
        .case-item .case-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            margin-bottom: 3px;
        }
        .case-item .case-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .case-item .case-result {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .case-result.win {
            color: #2d7a4a;
        }
        .case-result.loss {
            color: #c0392b;
        }
        .case-result i {
            font-size: 1rem;
        }

        /* ========== STEPS ========== */
        .step-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .step-item {
            flex: 1 1 200px;
            min-width: 180px;
            text-align: center;
            padding: 24px 16px;
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .step-item .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .step-item h5 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 5px;
            color: var(--text);
        }
        .step-item p {
            font-size: 0.8rem;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-block .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: #fff;
        }
        .faq-block .accordion-button {
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--text);
            background: #fff;
            box-shadow: none !important;
            padding: 16px 20px;
            border-radius: var(--radius) !important;
        }
        .faq-block .accordion-button:not(.collapsed) {
            color: var(--accent-dark);
            background: #fdfaf5;
        }
        .faq-block .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.15) !important;
            border-color: var(--accent-light);
        }
        .faq-block .accordion-body {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.7;
            padding: 10px 20px 20px;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: var(--primary);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #ffffff;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 30, 51, 0.78);
            z-index: 1;
        }
        .cta-block .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-block h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 22px;
            font-size: 0.95rem;
        }

        /* ========== BUTTONS ========== */
        .btn-accent {
            display: inline-block;
            background: var(--accent);
            color: #ffffff;
            font-weight: 700;
            padding: 11px 28px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            text-align: center;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #ffffff;
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #ffffff;
            font-weight: 600;
            padding: 10px 26px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            background: transparent;
            text-align: center;
        }
        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .btn-sm-accent {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-sm-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 3px 10px rgba(200, 150, 62, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: #ffffff;
            padding: 48px 0 20px;
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer h5 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            color: #ffffff;
            letter-spacing: 0.02em;
        }
        .site-footer a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            padding: 3px 0;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: var(--accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.03em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .content-container {
                padding: 0 20px;
            }
        }
        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
                box-shadow: none;
                width: 260px;
            }
            .app-sidebar.open {
                transform: translateX(0);
                box-shadow: var(--shadow-lg);
            }
            .app-main {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .app-main {
                padding-top: var(--header-mobile-h);
            }
            .sidebar-overlay.show {
                display: block;
            }
            .category-hero {
                padding: 56px 0 48px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-desc {
                font-size: 0.9rem;
            }
            .category-hero .hero-stats {
                gap: 18px;
            }
            .category-hero .hero-stat .stat-num {
                font-size: 1.5rem;
            }
            .section-pad {
                padding: 36px 0;
            }
            .section-pad-sm {
                padding: 28px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .case-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .case-item .case-thumb {
                width: 100%;
                height: 120px;
            }
            .case-item .case-result {
                margin-left: auto;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.35rem;
            }
            .category-hero .hero-stats {
                gap: 12px;
            }
            .category-hero .hero-stat .stat-num {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.15rem;
            }
            .step-row {
                flex-direction: column;
                gap: 12px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .content-container {
                padding: 0 14px;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 9px 20px;
                font-size: 0.82rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1B3A5C;
            --primary-light: #2C5F8A;
            --primary-dark: #122840;
            --accent: #C8943E;
            --accent-light: #D4A855;
            --accent-dark: #A67B2E;
            --bg: #F7F8FA;
            --white: #FFFFFF;
            --text: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-muted: #7a7d82;
            --border: #e2e5ea;
            --border-light: #eef0f4;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-xs: 6px;
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --sidebar-width: 250px;
            --topbar-height: 56px;
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

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

        /* ========== SIDEBAR ========== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary-dark);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition);
        }

        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-brand .brand-name i {
            color: var(--accent);
            font-size: 1.5rem;
        }

        .sidebar-brand .brand-sub {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
            letter-spacing: 0.3px;
        }

        .sidebar-nav {
            flex: 1;
            padding: 12px 10px;
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .sidebar-nav .nav-label {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: rgba(255, 255, 255, 0.35);
            padding: 10px 10px 6px;
            font-weight: 600;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .sidebar-nav a i {
            font-size: 1.1rem;
            width: 22px;
            text-align: center;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            transform: translateX(3px);
        }

        .sidebar-nav a.active {
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(200, 148, 62, 0.35);
        }

        .sidebar-nav a.active i {
            color: #1a1a1a;
        }

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
            flex-shrink: 0;
        }

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

        /* ========== MOBILE TOPBAR ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--primary-dark);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .mobile-topbar .brand-mobile {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .mobile-topbar .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px;
            margin-right: 8px;
            display: flex;
            align-items: center;
        }

        /* ========== SECTIONS ========== */
        .content-section {
            padding: 48px 0;
        }

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

        .section-container {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-header {
            margin-bottom: 36px;
            text-align: center;
        }

        .section-header .section-tag {
            display: inline-block;
            background: rgba(200, 148, 62, 0.12);
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 0.78rem;
            letter-spacing: 1px;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 0 0 8px;
            letter-spacing: 0.3px;
        }

        .section-header .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== HERO ========== */
        .hero-banner {
            background: linear-gradient(160deg, #0f1f33 0%, #1a3552 40%, #1B3A5C 100%);
            color: #fff;
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(200, 148, 62, 0.13) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner .hero-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .hero-banner .hero-icon {
            font-size: 2.8rem;
            color: var(--accent);
            margin-bottom: 12px;
            display: block;
        }

        .hero-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

        .hero-banner .hero-lead {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto;
        }

        .hero-banner .breadcrumb-custom {
            display: flex;
            justify-content: center;
            gap: 6px;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.7);
        }

        .breadcrumb-custom a:hover {
            color: var(--accent-light);
        }

        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }

        .info-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .info-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(27, 58, 92, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .info-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 0;
        }

        .info-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        .info-card .card-badge {
            align-self: flex-start;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            background: rgba(200, 148, 62, 0.1);
            color: var(--accent-dark);
            letter-spacing: 0.5px;
        }

        /* ========== STRATEGY BLOCK ========== */
        .strategy-block {
            display: flex;
            gap: 32px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .strategy-block .strategy-image {
            flex: 0 0 320px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .strategy-block .strategy-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius);
            transition: transform 0.5s ease;
        }

        .strategy-block .strategy-image img:hover {
            transform: scale(1.03);
        }

        .strategy-block .strategy-text {
            flex: 1;
            min-width: 280px;
        }

        .strategy-block .strategy-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .strategy-block .strategy-text p {
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.75;
            margin-bottom: 10px;
        }

        .strategy-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }

        .strategy-list .strategy-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent);
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .strategy-list .strategy-item:hover {
            background: #eef1f5;
            border-left-color: var(--primary);
        }

        .strategy-list .strategy-item i {
            color: var(--accent);
            font-size: 1rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ========== DATA ROW ========== */
        .data-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .data-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

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

        .data-card .data-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
        }

        .data-card .data-unit {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .data-card .data-label {
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ========== TIPS LIST ========== */
        .tips-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .tips-list .tip-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            align-items: flex-start;
        }

        .tips-list .tip-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d5d9df;
        }

        .tips-list .tip-num {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .tips-list .tip-content h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin: 0 0 4px;
        }

        .tips-list .tip-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-wrapper .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 10px;
            background: var(--white);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .faq-wrapper .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary-dark);
            background: var(--white);
            padding: 16px 20px;
            border-radius: var(--radius-sm) !important;
            box-shadow: none !important;
            transition: all var(--transition);
        }

        .faq-wrapper .accordion-button:not(.collapsed) {
            background: rgba(27, 58, 92, 0.03);
            color: var(--primary);
            border-bottom: 1px solid var(--border-light);
        }

        .faq-wrapper .accordion-button:focus {
            outline: 2px solid rgba(27, 58, 92, 0.25);
            outline-offset: -2px;
        }

        .faq-wrapper .accordion-body {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding: 18px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #1B3A5C 0%, #122840 100%);
            color: #fff;
            text-align: center;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -70px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(200, 148, 62, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        .btn-cta {
            display: inline-block;
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            border: none;
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(200, 148, 62, 0.3);
        }

        .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(200, 148, 62, 0.4);
            color: #1a1a1a;
        }

        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 500;
            padding: 10px 24px;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: all var(--transition);
            text-decoration: none;
        }

        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1a28;
            color: #fff;
            padding: 48px 0 20px;
            margin-top: 0;
        }

        .site-footer .content-container {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 32px;
        }

        .site-footer .footer-grid h5 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            color: #fff;
            letter-spacing: 0.4px;
        }

        .site-footer .footer-grid a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.84rem;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .site-footer .footer-grid a:hover {
            color: var(--accent-light);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
            line-height: 1.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 992px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: 260px;
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 1045;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                padding-top: var(--topbar-height);
            }
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            }
            .data-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .strategy-block .strategy-image {
                flex: 0 0 100%;
                max-width: 400px;
                margin: 0 auto;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .section-container {
                padding: 0 20px;
            }
        }

        @media (max-width: 576px) {
            .hero-banner {
                padding: 44px 0 36px;
            }
            .hero-banner h1 {
                font-size: 1.5rem;
            }
            .hero-banner .hero-lead {
                font-size: 0.9rem;
            }
            .hero-banner .hero-icon {
                font-size: 2.2rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .data-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .data-card {
                padding: 16px 10px;
            }
            .data-card .data-number {
                font-size: 1.5rem;
            }
            .data-card .data-label {
                font-size: 0.7rem;
            }
            .strategy-block {
                flex-direction: column;
            }
            .strategy-block .strategy-image {
                flex: 0 0 auto;
                max-width: 100%;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-container {
                padding: 0 16px;
            }
            .tips-list .tip-item {
                flex-direction: column;
                gap: 8px;
            }
            .faq-wrapper .accordion-button {
                font-size: 0.85rem;
                padding: 14px 16px;
            }
            .content-section {
                padding: 32px 0;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a3c5e;
            --color-primary-light: #1f4d7a;
            --color-accent: #c8963e;
            --color-accent-light: #d4a84b;
            --color-accent-dark: #a67c2e;
            --color-bg: #f7f8fa;
            --color-white: #ffffff;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-light: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-card-bg: #ffffff;
            --color-footer-bg: #0f1f33;
            --color-sidebar-bg: #0f1d2e;
            --color-sidebar-hover: #1a314a;
            --color-sidebar-active: #1f4d7a;
            --color-badge-bg: #fef3e1;
            --color-badge-text: #a67c2e;
            --color-tag-bg: #e8f0f8;
            --color-tag-text: #1a3c5e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.09), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.11), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --sidebar-width: 240px;
            --sidebar-collapsed-width: 0px;
            --header-height: 56px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            display: flex;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        /* ===== Sidebar ===== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar-bg);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-slow), width var(--transition-slow);
            box-shadow: 2px 0 18px rgba(0, 0, 0, 0.13);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }

        .sidebar-brand {
            padding: 20px 18px 14px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .sidebar-brand .brand-logo i {
            font-size: 1.45rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 10px 10px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav .nav-label {
            display: block;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.3);
            padding: 8px 10px 4px 10px;
            font-weight: 500;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .sidebar-nav a i {
            font-size: 1.1rem;
            width: 22px;
            text-align: center;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .sidebar-nav a:hover {
            background: var(--color-sidebar-hover);
            color: #ffffff;
            transform: translateX(3px);
        }
        .sidebar-nav a:hover i {
            color: var(--color-accent);
        }

        .sidebar-nav a.active {
            background: var(--color-sidebar-active);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
            border-radius: var(--radius-md);
        }
        .sidebar-nav a.active i {
            color: var(--color-accent);
        }

        .sidebar-footer-tag {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
            letter-spacing: 0.03em;
        }

        /* ===== Main Content Area ===== */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-slow);
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding: 10px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-sm);
        }

        .mobile-header .mobile-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-header .mobile-brand i {
            color: var(--color-accent);
            font-size: 1.2rem;
        }

        .mobile-menu-btn {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .mobile-menu-btn:active {
            background: var(--color-border);
        }

        /* ===== Sidebar Overlay ===== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1035;
            opacity: 0;
            transition: opacity var(--transition-base);
            pointer-events: none;
        }
        .sidebar-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #0f1d2e 0%, #1a3c5e 40%, #1f4d7a 75%, #163350 100%);
            padding: 56px 40px;
            color: #ffffff;
            overflow: hidden;
            min-height: 240px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.18;
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 150, 62, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(255, 255, 255, 0.04) 0%, transparent 55%);
            z-index: 2;
            pointer-events: none;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 3;
            max-width: 800px;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-accent-light);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .page-banner h1 {
            font-size: 2.3rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .page-banner .banner-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 600px;
            line-height: 1.7;
        }

        /* ===== Content Container ===== */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 28px;
            width: 100%;
        }

        .section-block {
            padding: 48px 0;
        }

        .section-title {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 28px;
        }

        .section-divider {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        /* ===== Cards ===== */
        .analysis-card {
            background: var(--color-card-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .analysis-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .analysis-card .card-icon {
            width: 46px;
            height: 46px;
            border-radius: var(--radius-md);
            background: var(--color-tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-primary);
            margin-bottom: 14px;
            flex-shrink: 0;
        }

        .analysis-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .analysis-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            margin: 0;
            flex: 1;
        }

        /* ===== Match List ===== */
        .match-list-item {
            background: var(--color-card-bg);
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            transition: all var(--transition-fast);
            margin-bottom: 10px;
        }
        .match-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .match-date-badge {
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            font-weight: 700;
            font-size: 0.8rem;
            text-align: center;
            min-width: 56px;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        .match-teams {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            flex: 1;
            min-width: 160px;
        }
        .match-teams .vs {
            color: var(--color-accent);
            margin: 0 6px;
            font-weight: 800;
        }

        .match-league-tag {
            font-size: 0.78rem;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            padding: 4px 10px;
            border-radius: 14px;
            font-weight: 500;
            white-space: nowrap;
        }

        .match-score-preview {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            background: var(--color-bg);
            padding: 5px 14px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        /* ===== Stats Grid ===== */
        .stat-highlight {
            text-align: center;
            padding: 20px 12px;
        }
        .stat-highlight .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-highlight .stat-number span {
            color: var(--color-accent);
        }
        .stat-highlight .stat-label {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ===== CTA Block ===== */
        .cta-block {
            background: linear-gradient(135deg, #1a3c5e 0%, #0f1d2e 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 1;
        }
        .cta-block>* {
            position: relative;
            z-index: 2;
        }
        .cta-block h3 {
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 8px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 150, 62, 0.3);
        }
        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-outline-light-custom {
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            background: transparent;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.93rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 8px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            background: var(--color-card-bg);
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            padding: 16px 20px;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: #f8fafc;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 60, 94, 0.1);
        }
        .faq-accordion .accordion-body {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            padding: 12px 20px 20px 20px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-footer-bg);
            color: #fff;
            padding: 0;
            margin-top: auto;
        }
        .site-footer .content-container {
            padding: 40px 28px 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 24px;
        }
        .footer-grid h5 {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .footer-grid a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.84rem;
            padding: 3px 0;
            transition: color var(--transition-fast);
        }
        .footer-grid a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
            letter-spacing: 0.02em;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-banner {
                padding: 40px 24px;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .stat-highlight .stat-number {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: 260px;
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .page-banner {
                padding: 32px 18px;
                min-height: 170px;
                border-radius: 0;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-desc {
                font-size: 0.88rem;
            }
            .content-container {
                padding: 0 14px;
            }
            .section-block {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .match-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }
            .match-teams {
                font-size: 0.95rem;
            }
            .cta-block {
                padding: 30px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-block h3 {
                font-size: 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .stat-highlight .stat-number {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                padding: 26px 14px;
                min-height: 150px;
            }
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .page-banner .banner-badge {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
            .analysis-card {
                padding: 16px;
            }
            .analysis-card h4 {
                font-size: 0.95rem;
            }
            .btn-accent,
            .btn-outline-light-custom {
                font-size: 0.85rem;
                padding: 8px 18px;
            }
            .stat-highlight .stat-number {
                font-size: 1.4rem;
            }
            .match-date-badge {
                font-size: 0.72rem;
                padding: 4px 10px;
                min-width: 44px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1a2740;
            --primary-light: #243656;
            --primary-lighter: #2e4268;
            --accent: #c8a45c;
            --accent-hover: #b8923f;
            --accent-light: #e8d5a3;
            --accent-subtle: #faf6ec;
            --bg: #f5f6f8;
            --surface: #ffffff;
            --surface-alt: #f9fafb;
            --text: #1a1a1a;
            --text-secondary: #4a4f5a;
            --text-muted: #6b7280;
            --text-light: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f0f1f3;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.07), 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.10), 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 16px 56px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(0, 0, 0, 0.07);
            --sidebar-width: 250px;
            --sidebar-width-lg: 260px;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.35;
            font-weight: 700;
            color: var(--primary);
            margin-top: 0;
        }

        /* ============ SIDEBAR ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition), width var(--transition);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 1.6rem 1.5rem 1.2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 0.9rem 0.75rem;
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
        }

        .sidebar-nav .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.35);
            padding: 0.5rem 0.85rem 0.3rem;
            font-weight: 600;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            padding: 0.7rem 0.85rem;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.93rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .sidebar-nav a i {
            font-size: 1.05rem;
            flex-shrink: 0;
            width: 22px;
            text-align: center;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .sidebar-nav a:hover i {
            opacity: 1;
        }

        .sidebar-nav a.active {
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(200, 164, 92, 0.35);
        }
        .sidebar-nav a.active i {
            opacity: 1;
            color: #1a1a1a;
        }

        .sidebar-footer {
            padding: 0.9rem 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

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

        /* ============ MOBILE HEADER ============ */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: var(--primary);
            padding: 0.75rem 1rem;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .mobile-header .mobile-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
        }

        .mobile-header .menu-toggle {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            padding: 0.3rem 0.5rem;
            cursor: pointer;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-header .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ============ CONTAINERS ============ */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
        }

        .section {
            padding: 3.5rem 0;
        }

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

        .section-accent {
            background: var(--accent-subtle);
        }

        /* ============ HERO / BANNER ============ */
        .page-hero {
            position: relative;
            background: linear-gradient(160deg, var(--primary) 0%, var(--primary-light) 40%, #1e3555 100%);
            padding: 5rem 0 4rem;
            color: #ffffff;
            overflow: hidden;
        }

        .page-hero .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.14;
            pointer-events: none;
            user-select: none;
        }

        .page-hero .hero-overlay {
            position: relative;
            z-index: 1;
        }

        .page-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: var(--accent-light);
        }
        .page-hero .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .page-hero .breadcrumb-custom .current {
            color: var(--accent-light);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 0.9rem;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 640px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-accent-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            margin-right: 0.5rem;
            vertical-align: middle;
        }

        /* ============ CARDS ============ */
        .card-custom {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-light);
        }
        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #eef0f4;
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-custom .card-body-custom {
            padding: 1.5rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-hover);
            background: var(--accent-subtle);
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            margin-bottom: 0.7rem;
            width: fit-content;
            letter-spacing: 0.02em;
        }
        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .card-custom p {
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
            flex: 1;
        }
        .card-custom .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            margin-top: 1rem;
            transition: color var(--transition-fast);
        }
        .card-custom .card-link:hover {
            color: var(--accent-hover);
        }
        .card-custom .card-link i {
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
        }
        .card-custom .card-link:hover i {
            transform: translateX(4px);
        }

        /* ============ STAT CARDS ============ */
        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.01em;
            line-height: 1;
            margin-bottom: 0.4rem;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 0.6rem;
            opacity: 0.7;
        }

        /* ============ INFO BLOCK ============ */
        .info-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .info-block.reverse {
            direction: rtl;
        }
        .info-block.reverse>* {
            direction: ltr;
        }
        .info-block .info-text h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        .info-block .info-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0.7rem;
            font-size: 0.98rem;
        }
        .info-block .info-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 4/3;
        }
        .info-block .info-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ============ LIST GROUP ============ */
        .list-custom {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .list-custom li {
            padding: 0.85rem 1.1rem;
            border-left: 3px solid var(--accent);
            background: var(--surface);
            margin-bottom: 0.6rem;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
            font-size: 0.95rem;
        }
        .list-custom li:hover {
            border-left-color: var(--primary-light);
            background: #fdfdfd;
            box-shadow: var(--shadow-sm);
            color: var(--text);
        }
        .list-custom li strong {
            color: var(--primary);
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 0.7rem;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 1.1rem 1.4rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
            user-select: none;
            transition: background var(--transition-fast);
            background: var(--surface);
        }
        .faq-item .faq-question:hover {
            background: var(--surface-alt);
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            font-size: 1.1rem;
            color: var(--accent);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            background: var(--surface-alt);
            padding: 0 1.4rem;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0.8rem 1.4rem 1.2rem;
        }
        .faq-item .faq-answer p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 0.93rem;
            line-height: 1.75;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(145deg, var(--primary) 0%, var(--primary-lighter) 100%);
            color: #ffffff;
            padding: 4rem 0;
            text-align: center;
            border-radius: 0;
        }
        .cta-section h2 {
            color: #ffffff;
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 0.7rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 1.8rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent);
            color: #1a1a1a;
            font-weight: 700;
            padding: 0.85rem 2rem;
            border-radius: 50px;
            border: none;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 4px 18px rgba(200, 164, 92, 0.4);
            letter-spacing: 0.02em;
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 26px rgba(184, 146, 63, 0.5);
            transform: translateY(-2px);
            color: #1a1a1a;
        }
        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
        }
        .btn-outline-light-custom:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.8rem;
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h5 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .site-footer a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: var(--accent-light);
            text-decoration: none;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.3rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        /* ============ RESPONSIVE ============ */
        @media (min-width: 1200px) {
            .sidebar {
                width: var(--sidebar-width-lg);
            }
            .main-content {
                margin-left: var(--sidebar-width-lg);
            }
        }

        @media (max-width: 991px) {
            .sidebar {
                width: 220px;
            }
            .sidebar-brand .brand-name {
                font-size: 1.1rem;
            }
            .sidebar-nav a {
                font-size: 0.85rem;
                padding: 0.6rem 0.7rem;
            }
            .main-content {
                margin-left: 220px;
            }
            .content-container {
                padding: 0 1.5rem;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .info-block {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .info-block.reverse {
                direction: ltr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .section {
                padding: 2.5rem 0;
            }
        }

        @media (max-width: 767px) {
            .sidebar {
                transform: translateX(-100%);
                width: 270px;
                z-index: 1060;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-backdrop {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 1055;
                display: none;
                transition: opacity var(--transition);
            }
            .sidebar-backdrop.show {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: 56px;
            }
            .page-hero {
                padding: 3rem 0 2.5rem;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .content-container {
                padding: 0 1rem;
            }
            .section {
                padding: 2rem 0;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            .card-custom .card-body-custom {
                padding: 1.1rem 1rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 0.7rem 1.4rem;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.85rem;
            }
            .stat-card {
                padding: 1.2rem 0.8rem;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .stat-card .stat-label {
                font-size: 0.78rem;
            }
            .card-custom h3 {
                font-size: 1.05rem;
            }
            .faq-item .faq-question {
                font-size: 0.9rem;
                padding: 0.9rem 1rem;
            }
            .faq-item .faq-answer p {
                font-size: 0.85rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a3350;
            --color-primary-light: #234b6e;
            --color-accent: #c8963e;
            --color-accent-light: #e0b55f;
            --color-accent-dark: #a67a2e;
            --color-bg: #f4f5f7;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #5a6070;
            --color-text-muted: #8b919e;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f3;
            --color-success: #2d8a56;
            --color-warning: #e8943a;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.10), 0 8px 20px rgba(0, 0, 0, 0.06);
            --sidebar-width: 248px;
            --topbar-height: 56px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
        }

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

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

        body {
            font-family: var(--font-stack);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ============ SIDEBAR - DESKTOP ============ */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: linear-gradient(180deg, #0f1f33 0%, #152840 40%, #1a3350 100%);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-normal);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .app-sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .app-sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .app-sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 24px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-name {
            font-size: 1.22rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .sidebar-brand .brand-sub {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 3px;
            letter-spacing: 0.06em;
            padding-left: 46px;
        }

        .sidebar-nav {
            flex: 1;
            padding: 12px 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav .nav-label {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.35);
            padding: 8px 20px 6px 20px;
            display: block;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 20px;
            margin: 0 10px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav a i {
            font-size: 1.05rem;
            width: 22px;
            text-align: center;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
        }
        .sidebar-nav a.active {
            background: rgba(200, 150, 62, 0.2);
            color: var(--color-accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-left: 0;
            padding-left: 17px;
        }
        .sidebar-nav a.active i {
            color: var(--color-accent-light);
        }

        .sidebar-footer-note {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-footer-note span {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.5;
        }

        /* ============ TOP BAR - MOBILE ============ */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: #0f1f33;
            z-index: 1035;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }
        .mobile-topbar .topbar-brand {
            font-weight: 700;
            color: #fff;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-topbar .topbar-brand .brand-icon-sm {
            width: 28px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #fff;
        }
        .mobile-topbar .menu-toggle {
            margin-left: auto;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-topbar .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ============ OFFCANVAS MOBILE ============ */
        .offcanvas-custom {
            background: linear-gradient(180deg, #0f1f33 0%, #152840 40%, #1a3350 100%);
            color: #fff;
            width: 260px !important;
            border-right: none;
        }
        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 20px;
        }
        .offcanvas-custom .offcanvas-title {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.03em;
            color: #fff;
        }
        .offcanvas-custom .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }
        .offcanvas-custom .offcanvas-body {
            padding: 8px 0;
        }
        .offcanvas-custom .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border-radius: 0;
        }
        .offcanvas-custom .offcanvas-body a i {
            font-size: 1.05rem;
            width: 22px;
            text-align: center;
            flex-shrink: 0;
        }
        .offcanvas-custom .offcanvas-body a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .offcanvas-custom .offcanvas-body a.active {
            background: rgba(200, 150, 62, 0.2);
            color: var(--color-accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }
        .offcanvas-custom .offcanvas-body .nav-label-mobile {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.35);
            padding: 10px 20px 6px 20px;
            display: block;
        }

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

        /* ============ BANNER / HERO ============ */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(15, 31, 51, 0.88) 0%, rgba(26, 51, 80, 0.82) 50%, rgba(15, 31, 51, 0.9) 100%), url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 64px 40px 56px;
            color: #fff;
            border-bottom: 3px solid var(--color-accent);
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .page-hero .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            line-height: 1.6;
        }
        .page-hero .hero-meta {
            display: flex;
            gap: 24px;
            margin-top: 18px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .page-hero .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ============ SECTION COMMONS ============ */
        .section-block {
            padding: 48px 40px;
        }
        .section-block--alt {
            background: #fff;
        }
        .section-block--dark {
            background: #1a1f2b;
            color: #fff;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 6px;
        }
        .section-block--dark .section-header h2 {
            color: #fff;
        }
        .section-header .section-line {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 6px;
        }
        .section-header p {
            color: var(--color-text-soft);
            font-size: 0.92rem;
            margin-top: 8px;
        }
        .section-block--dark .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ============ CARDS ============ */
        .card-custom {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e9ecf1;
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-custom .card-body-custom {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            background: rgba(200, 150, 62, 0.1);
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
            align-self: flex-start;
            letter-spacing: 0.03em;
        }
        .card-custom h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .card-custom p {
            font-size: 0.84rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
        }
        .card-custom .card-meta-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 12px;
            font-size: 0.76rem;
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border-light);
            padding-top: 10px;
        }
        .card-custom .card-link {
            color: var(--color-accent-dark);
            font-weight: 600;
            font-size: 0.84rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-custom .card-link:hover {
            color: var(--color-accent);
        }

        /* ============ TIP CARD (技巧卡片) ============ */
        .tip-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-normal);
            height: 100%;
        }
        .tip-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .tip-card .tip-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(26, 51, 80, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .tip-card:hover .tip-icon {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(26, 51, 80, 0.25);
        }
        .tip-card h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .tip-card p {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* ============ STATS ============ */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .stat-card .stat-number .stat-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-left: 2px;
        }
        .stat-card .stat-label {
            font-size: 0.84rem;
            color: var(--color-text-soft);
            margin-top: 6px;
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-item .faq-question:hover {
            color: var(--color-accent-dark);
        }
        .faq-item .faq-question .faq-arrow {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-fast);
            padding: 0 22px;
            font-size: 0.86rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ============ CTA ============ */
        .cta-block {
            background: linear-gradient(135deg, #1a3350 0%, #0f1f33 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.12);
            pointer-events: none;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            pointer-events: none;
        }
        .cta-block h3 {
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 0.94rem;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.94rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            display: inline-block;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            color: #fff;
            box-shadow: 0 8px 24px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 11px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.94rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            display: inline-block;
            position: relative;
            z-index: 1;
        }
        .btn-outline-light-custom:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0f1a28;
            color: rgba(255, 255, 255, 0.75);
            padding: 40px 40px 24px;
            font-size: 0.86rem;
            margin-top: 0;
        }
        .site-footer .content-container {
            max-width: 1100px;
            margin: 0 auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .site-footer h5 {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .site-footer a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            padding: 3px 0;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.76rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .app-sidebar {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .page-hero {
                padding: 40px 24px 36px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .section-block {
                padding: 32px 20px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .site-footer {
                padding: 28px 20px 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .card-custom h4 {
                font-size: 0.95rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .cta-block {
                padding: 32px 22px;
            }
            .cta-block h3 {
                font-size: 1.2rem;
            }
            .tip-card {
                padding: 20px 16px;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 32px 18px 28px;
            }
            .page-hero h1 {
                font-size: 1.35rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.88rem;
            }
            .section-block {
                padding: 24px 14px;
            }
            .section-header {
                margin-bottom: 22px;
            }
            .section-header h2 {
                font-size: 1.15rem;
            }
            .card-custom .card-body-custom {
                padding: 14px 15px 16px;
            }
            .card-custom h4 {
                font-size: 0.9rem;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .page-hero .hero-meta {
                gap: 12px;
                font-size: 0.76rem;
            }
            .cta-block {
                padding: 24px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-block h3 {
                font-size: 1.1rem;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 10px 20px;
                font-size: 0.84rem;
            }
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 0.86rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px;
                font-size: 0.8rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .tip-card {
                padding: 18px 14px;
            }
            .tip-card .tip-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
                margin-bottom: 12px;
            }
            .tip-card h4 {
                font-size: 0.9rem;
            }
            .tip-card p {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                padding: 24px 14px 22px;
            }
            .page-hero h1 {
                font-size: 1.2rem;
            }
            .page-hero .hero-badge {
                font-size: 0.7rem;
                padding: 4px 12px;
            }
            .section-block {
                padding: 20px 10px;
            }
            .section-header h2 {
                font-size: 1.05rem;
            }
            .card-custom .card-meta-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.3rem;
            }
            .btn-accent,
            .btn-outline-light-custom {
                width: 100%;
                text-align: center;
                margin-bottom: 6px;
            }
            .cta-block {
                border-radius: var(--radius-md);
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a3c5e;
            --primary-light: #1e4d7a;
            --primary-dark: #0f2a44;
            --accent: #c8963e;
            --accent-light: #d4a84f;
            --accent-dark: #a67a2e;
            --surface: #ffffff;
            --surface-alt: #f6f8fb;
            --surface-card: #ffffff;
            --text-primary: #1a1f2b;
            --text-secondary: #4a5568;
            --text-muted: #7b8794;
            --text-on-dark: #e8edf3;
            --border-light: #e2e8f0;
            --border-medium: #cbd5e0;
            --shadow-sm: 0 1px 3px rgba(15, 42, 68, 0.06);
            --shadow-md: 0 4px 14px rgba(15, 42, 68, 0.09);
            --shadow-lg: 0 8px 30px rgba(15, 42, 68, 0.12);
            --shadow-xl: 0 16px 48px rgba(15, 42, 68, 0.16);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --sidebar-width: 248px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: #f0f4f9;
            color: var(--text-primary);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 600;
            color: var(--text-primary);
        }

        /* Sidebar */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, #0f2a44 0%, #132e4a 30%, #1a3c5e 100%);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(15, 42, 68, 0.22);
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-base);
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 18px 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 6px;
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-brand .brand-text {
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            padding: 0 10px;
            flex: 1;
            gap: 2px;
        }

        .sidebar-nav .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.4);
            padding: 10px 12px 4px;
            font-weight: 600;
            display: block;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .sidebar-nav a i {
            font-size: 1.1rem;
            width: 22px;
            text-align: center;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            transform: translateX(2px);
        }

        .sidebar-nav a.active {
            background: rgba(200, 150, 62, 0.22);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
            border-radius: var(--radius-sm);
        }

        .sidebar-nav a.active i {
            color: var(--accent-light);
        }

        .sidebar-footer-mini {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }

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

        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 28px;
            width: 100%;
        }

        /* Mobile top bar */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1040;
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            padding: 10px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-sm);
        }

        .mobile-topbar .mobile-brand {
            font-weight: 700;
            font-size: 1rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-topbar .mobile-brand .brand-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: 5px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            font-size: 0.85rem;
        }

        .menu-toggle-btn {
            font-size: 1.5rem;
            color: var(--primary);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .menu-toggle-btn:hover {
            background: var(--surface-alt);
        }

        /* Offcanvas sidebar for mobile */
        .offcanvas-sidebar {
            width: var(--sidebar-width) !important;
            background: linear-gradient(180deg, #0f2a44 0%, #132e4a 30%, #1a3c5e 100%);
        }

        .offcanvas-sidebar .sidebar-nav a {
            color: rgba(255, 255, 255, 0.78);
        }

        .offcanvas-sidebar .sidebar-nav a.active {
            background: rgba(200, 150, 62, 0.22);
            color: #fff;
        }

        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }

        /* Page banner */
        .page-banner {
            background: linear-gradient(135deg, #1a3c5e 0%, #0f2a44 50%, #1e4d7a 100%);
            position: relative;
            overflow: hidden;
            padding: 50px 0 44px;
            color: #fff;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.18;
            z-index: 0;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 1;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.85);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .page-banner h1 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }

        .page-banner .banner-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            line-height: 1.6;
        }

        /* Section */
        .section {
            padding: 40px 0;
        }

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

        .section-header .section-label {
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.07em;
            color: var(--accent-dark);
            font-weight: 700;
            margin-bottom: 4px;
        }

        .section-header h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }

        .section-header .section-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 4px;
            max-width: 560px;
        }

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

        .stat-card {
            background: var(--surface-card);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--accent-light);
        }

        .stat-card .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(26, 60, 94, 0.07);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .stat-card .stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
        }

        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

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

        .service-card {
            background: var(--surface-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .service-card .card-img-wrap {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .service-card .card-body-custom {
            padding: 18px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .card-body-custom h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .service-card .card-body-custom p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .service-card .card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(200, 150, 62, 0.1);
            display: inline-block;
            padding: 4px 10px;
            border-radius: 14px;
            align-self: flex-start;
        }

        /* League cards */
        .league-cards-row {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }

        .league-card {
            background: var(--surface-card);
            border-radius: var(--radius-md);
            padding: 20px 14px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }

        .league-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--accent-light);
        }

        .league-card .league-flag {
            font-size: 2rem;
            margin-bottom: 8px;
        }

        .league-card .league-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .league-card .league-count {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Report list */
        .report-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .report-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--surface-card);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

        .report-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
            transform: translateX(3px);
        }

        .report-item .report-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 80px;
            text-align: center;
            background: var(--surface-alt);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            font-weight: 600;
        }

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

        .report-item .report-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .report-item .report-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .report-item .report-arrow {
            color: var(--accent);
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .report-item:hover .report-arrow {
            transform: translateX(4px);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--surface-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-item .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }

        .faq-item .faq-question i {
            font-size: 1.1rem;
            color: var(--accent);
            transition: transform var(--transition-fast);
        }

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

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a3c5e 0%, #0f2a44 100%);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            margin-bottom: 20px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-accent {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 10px 26px;
            border-radius: 28px;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }

        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            padding: 9px 24px;
            border-radius: 28px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.02em;
            background: transparent;
        }

        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #0f2a44;
            color: rgba(255, 255, 255, 0.7);
            padding: 36px 0 20px;
            margin-top: auto;
            flex-shrink: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 24px;
        }

        .site-footer h5 {
            color: #ffffff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .site-footer a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.84rem;
            padding: 3px 0;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 16px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .service-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .league-cards-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .content-container {
                padding: 0 18px;
            }
        }

        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
            }
            .app-sidebar.show {
                transform: translateX(0);
            }
            .main-wrapper {
                margin-left: 0 !important;
            }
            .mobile-topbar {
                display: flex;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .service-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .league-cards-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .service-card .card-img-wrap {
                height: 140px;
            }
            .section {
                padding: 28px 0;
            }
            .page-banner {
                padding: 32px 0 28px;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .cta-section {
                padding: 28px 18px;
                border-radius: var(--radius-lg);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .report-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .report-item .report-date {
                min-width: auto;
                font-size: 0.72rem;
                padding: 4px 8px;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .stat-card .stat-value {
                font-size: 1.4rem;
            }
            .service-cards-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .league-cards-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .page-banner h1 {
                font-size: 1.2rem;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
            .content-container {
                padding: 0 10px;
            }
            .cta-section {
                padding: 22px 12px;
                border-radius: var(--radius-md);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .report-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .report-item .report-date {
                align-self: flex-start;
            }
        }