/* roulang page: index */
:root {
            --primary: #0a1f3f;
            --primary-light: #122d5c;
            --accent: #c8963e;
            --accent-light: #d4a853;
            --accent-dark: #a67c2e;
            --bg: #f8f9fb;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0a1a30;
            --text: #1a1d28;
            --text-secondary: #5a5f6e;
            --text-light: #8b8f9a;
            --text-on-dark: #e8eaef;
            --border: #e2e5ea;
            --border-light: #eef0f4;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(10, 20, 40, 0.06);
            --shadow: 0 4px 16px rgba(10, 20, 40, 0.08);
            --shadow-md: 0 8px 28px rgba(10, 20, 40, 0.1);
            --shadow-lg: 0 16px 40px rgba(10, 20, 40, 0.12);
            --shadow-xl: 0 24px 56px rgba(10, 20, 40, 0.14);
            --nav-width: 260px;
            --nav-width-tablet: 210px;
            --transition: 0.22s 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 {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(10, 20, 40, 0.18);
            transition: transform var(--transition), width var(--transition);
        }

        .sidebar-nav .nav-logo {
            padding: 26px 24px 20px;
            flex-shrink: 0;
        }

        .sidebar-nav .nav-logo a {
            font-size: 1.65rem;
            font-weight: 750;
            letter-spacing: 0.03em;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-nav .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius);
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-nav .nav-links {
            list-style: none;
            margin: 0;
            padding: 8px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav .nav-links li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 16px;
            border-radius: var(--radius);
            color: #c5cad6;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.01em;
        }

        .sidebar-nav .nav-links li a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #ffffff;
        }

        .sidebar-nav .nav-links li a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }

        .sidebar-nav .nav-links li a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .sidebar-nav .nav-bottom {
            padding: 16px 20px 24px;
            flex-shrink: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 0 16px;
        }

        .sidebar-nav .nav-bottom .nav-cta {
            display: block;
            text-align: center;
            padding: 10px 18px;
            border-radius: var(--radius);
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            letter-spacing: 0.02em;
        }

        .sidebar-nav .nav-bottom .nav-cta:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
            transform: translateY(-1px);
        }

        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--primary);
            padding: 14px 18px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 16px rgba(10, 20, 40, 0.15);
        }

        .mobile-header .mobile-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .mobile-logo .logo-icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
        }

        .mobile-header .menu-toggle {
            background: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .mobile-header .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition);
            pointer-events: none;
        }

        .mobile-nav-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100%;
            background: var(--primary);
            z-index: 999;
            flex-direction: column;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform var(--transition);
            box-shadow: 4px 0 24px rgba(10, 20, 40, 0.3);
        }

        .mobile-nav-panel.open {
            transform: translateX(0);
        }

        .mobile-nav-panel .mobile-nav-links {
            list-style: none;
            margin: 0;
            padding: 60px 16px 20px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mobile-nav-panel .mobile-nav-links li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: var(--radius);
            color: #c5cad6;
            font-size: 1rem;
            font-weight: 500;
            transition: all var(--transition);
        }

        .mobile-nav-panel .mobile-nav-links li a:hover,
        .mobile-nav-panel .mobile-nav-links li a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .mobile-nav-panel .mobile-nav-close {
            position: absolute;
            top: 14px;
            right: 14px;
            background: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: 6px;
            z-index: 2;
        }

        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .section {
            padding: 60px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 32px;
            max-width: 600px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header .section-title {
            position: relative;
            display: inline-block;
        }

        .section-header .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 48px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            white-space: nowrap;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            box-shadow: 0 8px 24px rgba(200, 150, 62, 0.35);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }
        .btn-lg {
            padding: 14px 34px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card-body {
            padding: 22px 20px;
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: #eef3fa;
            color: var(--primary-light);
        }
        .card-tag.accent {
            background: #fdf6ea;
            color: var(--accent-dark);
        }

        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 750;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-card .stat-number .accent-num {
            color: var(--accent);
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .advantage-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
            text-align: center;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
            transform: translateY(-4px);
        }
        .advantage-card .adv-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #f0f4fa;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .advantage-card:hover .adv-icon {
            background: var(--accent);
            color: #fff;
        }
        .advantage-card h3 {
            font-size: 1.1rem;
            font-weight: 650;
            margin: 0 0 8px;
            color: var(--text);
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--accent);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin: 0 0 14px;
            font-style: italic;
        }
        .testimonial-card .quote-author {
            font-weight: 650;
            font-size: 0.9rem;
            color: var(--primary);
        }
        .testimonial-card .quote-role {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-card);
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: #cdd3dd;
        }
        .faq-question {
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            color: var(--text);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition);
            font-size: 0.8rem;
            color: var(--text-light);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .news-card {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .news-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .news-card .news-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-card .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-card .news-date {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-bottom: 4px;
        }
        .news-card .news-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .news-card .news-summary {
            font-size: 0.83rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .partner-logo-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: center;
        }
        .partner-item {
            background: var(--bg-card);
            padding: 16px 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition);
            text-align: center;
            min-width: 100px;
            border: 1px solid var(--border-light);
        }
        .partner-item:hover {
            color: var(--primary);
            box-shadow: var(--shadow);
            border-color: var(--accent);
        }

        .hero-section {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 25, 50, 0.88) 0%, rgba(10, 25, 50, 0.7) 60%, rgba(10, 25, 50, 0.5) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 28px;
            max-width: 700px;
        }
        .hero-content h1 {
            font-size: 2.6rem;
            font-weight: 750;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
            line-height: 1.25;
        }
        .hero-content .hero-desc {
            font-size: 1.1rem;
            line-height: 1.7;
            opacity: 0.9;
            margin: 0 0 24px;
            max-width: 560px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .bg-dark-section {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .bg-dark-section .section-title {
            color: #fff;
        }
        .bg-dark-section .section-subtitle {
            color: #b0b8c4;
        }

        .story-image-block {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .story-image-block img {
            width: 100%;
            height: auto;
            display: block;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .grid-news {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        footer {
            background: var(--primary);
            color: #c5cad6;
            padding: 48px 0 28px;
            margin-top: auto;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        footer .footer-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            opacity: 0.8;
        }
        footer h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 650;
            margin: 0 0 14px;
        }
        footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        footer ul li {
            margin-bottom: 8px;
        }
        footer ul li a {
            font-size: 0.88rem;
            opacity: 0.8;
            transition: all var(--transition);
        }
        footer ul li a:hover {
            opacity: 1;
            color: var(--accent-light);
        }
        footer .footer-bottom {
            text-align: center;
            padding-top: 22px;
            font-size: 0.82rem;
            opacity: 0.7;
        }

        @media (max-width: 1024px) {
            .sidebar-nav {
                width: var(--nav-width-tablet);
            }
            .main-content {
                margin-left: var(--nav-width-tablet);
            }
            .hero-content h1 {
                font-size: 2.1rem;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-news {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 20px;
            }
            .section {
                padding: 44px 0;
            }
            .section-lg {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            .sidebar-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .mobile-nav-overlay {
                display: block;
            }
            .hero-section {
                min-height: 380px;
            }
            .hero-content {
                padding: 40px 18px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-content .hero-desc {
                font-size: 0.95rem;
            }
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .grid-3 {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .grid-news {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 34px 0;
            }
            .section-lg {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
            footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .partner-logo-grid {
                gap: 12px;
            }
            .partner-item {
                padding: 12px 16px;
                font-size: 0.8rem;
                min-width: 70px;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                min-height: 300px;
            }
            .hero-content h1 {
                font-size: 1.4rem;
            }
            .hero-content .hero-desc {
                font-size: 0.85rem;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card .news-thumb {
                width: 100%;
                height: 140px;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .container {
                padding: 0 12px;
            }
            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .mobile-nav-panel {
                width: 260px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1a3c5e;
            --primary-dark: #0f2740;
            --primary-light: #2a5580;
            --accent: #c8963e;
            --accent-light: #e0b860;
            --accent-dark: #a0752a;
            --bg-white: #ffffff;
            --bg-light: #f7f8fa;
            --bg-lighter: #edf0f5;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-body: #3a3d48;
            --text-muted: #6b6f7c;
            --text-light: #8a8d98;
            --border: #e2e5ec;
            --border-light: #eef0f5;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.10);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --shadow-xl: 0 24px 64px rgba(15, 23, 42, 0.15);
            --sidebar-width: 260px;
            --header-mobile-height: 60px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: '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;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: clamp(1.1rem, 1.6vw, 1.35rem);
        }

        /* ========== 桌面端侧边栏导航 ========== */
        .desktop-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(15, 23, 42, 0.18);
            transition: transform var(--transition);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-logo-area {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
        }
        .sidebar-logo-link {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #ffffff;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            transition: opacity var(--transition);
            white-space: nowrap;
        }
        .sidebar-logo-link:hover {
            opacity: 0.85;
        }
        .sidebar-logo-icon {
            font-size: 1.5rem;
            color: var(--accent-light);
            flex-shrink: 0;
        }
        .sidebar-nav-list {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.82);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.02em;
        }
        .sidebar-nav-item i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }
        .sidebar-nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .sidebar-nav-item:hover i {
            color: var(--accent-light);
        }
        .sidebar-nav-item.active {
            background: rgba(255, 255, 255, 0.14);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent-light);
        }
        .sidebar-nav-item.active i {
            color: var(--accent-light);
        }
        .sidebar-cta-area {
            padding: 16px 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
        }
        .sidebar-cta-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            padding: 12px 18px;
            border-radius: var(--radius);
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .sidebar-cta-btn:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
            transform: translateY(-1px);
        }
        .sidebar-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--primary);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.18);
        }
        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #ffffff;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.03em;
        }
        .logo-icon-sm {
            color: var(--accent-light);
            font-size: 1.2rem;
        }
        .menu-toggle {
            color: #ffffff;
            font-size: 1.4rem;
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .menu-toggle:focus-visible {
            outline: 2px solid var(--accent-light);
            outline-offset: 2px;
        }

        /* 移动端抽屉导航 */
        .mobile-drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1001;
            opacity: 0;
            transition: opacity var(--transition);
            pointer-events: none;
        }
        .mobile-drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--primary);
            z-index: 1002;
            transform: translateX(-100%);
            transition: transform var(--transition);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 4px 0 28px rgba(0, 0, 0, 0.3);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
        }
        .mobile-drawer-close {
            color: #ffffff;
            font-size: 1.3rem;
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition);
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-drawer-nav {
            flex: 1;
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer-nav .sidebar-nav-item {
            font-size: 0.95rem;
            padding: 14px 16px;
        }
        .mobile-drawer-cta {
            padding: 16px 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
        }

        /* ========== 主内容区域 ========== */
        .main-content-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        main {
            flex: 1;
        }

        .container {
            width: 100%;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .container-wide {
            max-width: 1200px;
        }

        /* ========== 页面 Banner ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            padding: 64px 0 56px;
            overflow: hidden;
            color: #ffffff;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }
        .page-banner-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 720px;
        }
        .page-banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            flex-wrap: wrap;
        }
        .page-banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition);
        }
        .page-banner-breadcrumb a:hover {
            color: var(--accent-light);
        }
        .page-banner-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }
        .page-banner h1 {
            color: #ffffff;
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            letter-spacing: -0.02em;
        }
        .page-banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            margin-bottom: 10px;
        }
        .section-header .subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            background: rgba(200, 150, 62, 0.12);
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-lighter);
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .card-body h3 {
            font-size: 1.1rem;
            line-height: 1.4;
        }
        .card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            background: rgba(26, 60, 94, 0.07);
            color: var(--primary);
            letter-spacing: 0.03em;
            align-self: flex-start;
        }
        .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition);
            margin-top: auto;
        }
        .card-link:hover {
            color: var(--accent-dark);
        }
        .card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition);
        }
        .card-link:hover i {
            transform: translateX(3px);
        }

        /* ========== 百科特色卡片 ========== */
        .wiki-feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .wiki-feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .wiki-feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin: 0 auto 16px;
            flex-shrink: 0;
        }
        .wiki-feature-card h4 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .wiki-feature-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== 列表样式 ========== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
        }
        .article-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
            cursor: pointer;
        }
        .article-list-item:last-child {
            border-bottom: none;
        }
        .article-list-item:hover {
            background: var(--bg-lighter);
        }
        .article-list-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .article-list-content {
            flex: 1;
            min-width: 0;
        }
        .article-list-content h4 {
            font-size: 0.95rem;
            margin-bottom: 3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .article-list-content .meta {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .article-list-arrow {
            color: var(--text-light);
            flex-shrink: 0;
            transition: transform var(--transition);
        }
        .article-list-item:hover .article-list-arrow {
            transform: translateX(4px);
            color: var(--accent);
        }

        /* ========== 数据统计条 ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            padding: 24px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-number .accent {
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background var(--transition);
            letter-spacing: 0.01em;
        }
        .faq-question:hover {
            background: var(--bg-lighter);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: -2px;
            border-radius: var(--radius);
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-light);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 56px 0;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-content h2 {
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            font-size: 1rem;
            line-height: 1.7;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 10px 28px rgba(200, 150, 62, 0.4);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(200, 150, 62, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-1px);
        }

        /* ========== 页脚 ========== */
        footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            color: #ffffff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand i {
            color: var(--accent-light);
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        footer h4 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        footer ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        footer ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        footer ul li a:hover {
            color: var(--accent-light);
        }
        footer ul li span {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.02em;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1200px) {
            .card-grid-4 {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 1024px) {
            .desktop-sidebar {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-drawer-overlay {
                display: block;
            }
            .main-content-wrapper {
                margin-left: 0;
                padding-top: var(--header-mobile-height);
            }
            .container {
                padding: 0 20px;
            }
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-banner {
                padding: 40px 0 36px;
            }
            .section {
                padding: 40px 0;
            }
        }
        @media (max-width: 768px) {
            .card-grid,
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .article-list-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .article-list-num {
                font-size: 1.1rem;
                min-width: 30px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner-desc {
                font-size: 0.9rem;
            }
            .section {
                padding: 32px 0;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
            .wiki-feature-card {
                padding: 20px 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item {
                padding: 16px 10px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.84rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .page-banner {
                padding: 28px 0 24px;
            }
            .mobile-drawer {
                width: 260px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1a365d;
            --primary-light: #1e4d7b;
            --primary-dark: #0f2340;
            --accent: #c7962b;
            --accent-light: #d4a84b;
            --accent-dark: #a67c22;
            --bg: #ffffff;
            --bg-light: #f7f8fa;
            --bg-alt: #edf0f5;
            --text: #1a1a1a;
            --text-secondary: #5a5f6b;
            --text-muted: #8b8f99;
            --border: #e2e5ea;
            --border-light: #eef0f4;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --transition: 0.22s ease;
            --sidebar-width: 250px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            display: flex;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            font-size: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary-dark);
        }
        h1 {
            font-size: 2.2rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.7rem;
        }
        h3 {
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1.05rem;
        }

        /* ========== SIDEBAR NAVIGATION (DESKTOP) ========== */
        .sidebar {
            width: var(--sidebar-width);
            min-width: var(--sidebar-width);
            background: var(--primary-dark);
            color: #ffffff;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 200;
            display: flex;
            flex-direction: column;
            box-shadow: 3px 0 20px rgba(0, 0, 0, 0.18);
            transition: transform 0.3s ease;
            overflow-y: auto;
        }
        .sidebar-brand {
            padding: 28px 22px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #ffffff;
            font-family: var(--font-heading);
        }
        .sidebar-brand .logo-icon {
            font-size: 1.5rem;
            color: var(--accent-light);
            flex-shrink: 0;
        }
        .sidebar-nav {
            flex: 1;
            padding: 18px 0;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 22px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.98rem;
            font-weight: 500;
            transition: all 0.2s ease;
            border-left: 3px solid transparent;
            letter-spacing: 0.01em;
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
            border-left-color: rgba(255, 255, 255, 0.35);
        }
        .sidebar-nav a.active {
            background: rgba(255, 255, 255, 0.10);
            color: #ffffff;
            border-left-color: var(--accent-light);
            font-weight: 600;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--accent-light);
            opacity: 0.75;
            flex-shrink: 0;
        }
        .sidebar-nav a.active i {
            opacity: 1;
        }
        .sidebar-footer-info {
            padding: 16px 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
        }

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

        /* ========== MOBILE HEADER ========== */
        .mobile-header {
            display: none;
            background: var(--primary-dark);
            color: #ffffff;
            padding: 14px 18px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 150;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 700;
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
        }
        .logo-icon-sm {
            color: var(--accent-light);
            font-size: 1.1rem;
        }
        .menu-toggle {
            color: #ffffff;
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background 0.2s;
            line-height: 1;
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .menu-toggle:focus-visible {
            outline: 2px solid var(--accent-light);
            outline-offset: 3px;
        }

        /* Mobile sidebar overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 190;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .sidebar-overlay.active {
            opacity: 1;
        }

        /* ========== CONTAINER ========== */
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .container-narrow {
            max-width: 880px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== MAIN CONTENT ========== */
        main {
            flex: 1;
            padding-bottom: 0;
        }

        /* ========== BANNER / HERO SECTION ========== */
        .page-banner {
            position: relative;
            background: var(--primary-dark) url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 35, 64, 0.88) 0%, rgba(26, 54, 93, 0.72) 50%, rgba(15, 35, 64, 0.85) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #ffffff;
            padding: 50px 0;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            color: #ffffff;
            font-size: 2.5rem;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .page-banner .banner-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.08rem;
            max-width: 620px;
            line-height: 1.7;
        }
        .breadcrumb-trail {
            display: flex;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb-trail a {
            color: rgba(255, 255, 255, 0.8);
        }
        .breadcrumb-trail a:hover {
            color: var(--accent-light);
        }
        .breadcrumb-trail span {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--bg-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            position: relative;
            display: inline-block;
            padding-bottom: 14px;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-header p {
            color: var(--text-secondary);
            margin-top: 8px;
            font-size: 0.95rem;
        }

        /* ========== CATEGORY CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background: var(--bg-alt);
        }
        .card-body {
            padding: 20px 22px 22px;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.76rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            background: rgba(26, 54, 93, 0.08);
            color: var(--primary);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--primary-dark);
        }
        .card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap 0.25s;
        }
        .card-link:hover {
            gap: 9px;
            color: var(--accent);
        }
        .card-link i {
            font-size: 0.75rem;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .news-item {
            display: flex;
            gap: 18px;
            padding: 18px 22px;
            align-items: flex-start;
            border-bottom: 1px solid var(--border-light);
            transition: background 0.2s;
            cursor: pointer;
            flex-wrap: wrap;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: var(--bg-light);
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            background: var(--bg-alt);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 70px;
            font-weight: 500;
            line-height: 1.4;
        }
        .news-date strong {
            display: block;
            font-size: 1.25rem;
            color: var(--primary);
        }
        .news-content {
            flex: 1;
            min-width: 200px;
        }
        .news-content h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--primary-dark);
            transition: color 0.2s;
        }
        .news-item:hover .news-content h4 {
            color: var(--accent-dark);
        }
        .news-content p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.5;
        }
        .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.01em;
            font-family: var(--font-heading);
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== FEATURED BLOCK ========== */
        .featured-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .featured-image {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            display: block;
            background: var(--bg-alt);
        }
        .featured-text {
            padding: 32px 36px 32px 8px;
        }
        .featured-text h3 {
            font-size: 1.5rem;
            margin-bottom: 14px;
        }
        .featured-text p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .featured-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }
        .highlight-badge {
            background: var(--bg-alt);
            padding: 7px 14px;
            border-radius: 20px;
            font-size: 0.84rem;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .highlight-badge i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            text-align: center;
            cursor: pointer;
            border: 2px solid transparent;
            font-family: var(--font-heading);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 3px 12px rgba(199, 150, 43, 0.30);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            box-shadow: 0 5px 18px rgba(199, 150, 43, 0.40);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
            border-radius: 30px;
        }
        .btn:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 3px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--primary-dark);
            font-size: 0.98rem;
            gap: 14px;
            user-select: none;
            transition: background 0.2s;
        }
        .faq-question:hover {
            background: var(--bg-light);
        }
        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent);
            flex-shrink: 0;
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary-dark);
            color: #ffffff;
            text-align: center;
            padding: 56px 28px;
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #ffffff;
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            font-size: 1rem;
        }
        .cta-section .btn {
            font-size: 1rem;
            padding: 14px 34px;
        }

        /* ========== FOOTER ========== */
        footer {
            background: #0f1f33;
            color: rgba(255, 255, 255, 0.78);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        footer .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
            font-family: var(--font-heading);
            letter-spacing: 0.03em;
        }
        .footer-brand i {
            color: var(--accent-light);
        }
        .footer-desc {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
        }
        footer h4 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        footer ul li {
            margin-bottom: 7px;
        }
        footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.84rem;
            transition: color 0.2s;
        }
        footer ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .container,
            .container-narrow,
            footer .container {
                padding: 0 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 1023px) {
            :root {
                --sidebar-width: 0px;
            }
            body {
                flex-direction: column;
            }
            .sidebar {
                position: fixed;
                top: 0;
                left: 0;
                bottom: 0;
                width: 270px;
                z-index: 210;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
                pointer-events: none;
                opacity: 0;
                transition: opacity 0.3s ease;
            }
            .sidebar-overlay.active {
                opacity: 1;
                pointer-events: auto;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .cards-grid {
                grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .featured-block {
                grid-template-columns: 1fr;
            }
            .featured-text {
                padding: 24px 22px;
            }
            .featured-image {
                min-height: 240px;
                max-height: 300px;
                width: 100%;
            }
            .section {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 640px) {
            .page-banner {
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 14px 16px;
            }
            .news-date {
                align-self: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section {
                padding: 32px 0;
            }
            .container,
            .container-narrow,
            footer .container {
                padding: 0 16px;
            }
            .cta-section {
                padding: 36px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .featured-text {
                padding: 18px 16px;
            }
            .featured-text h3 {
                font-size: 1.2rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .breadcrumb-trail {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 380px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .sidebar {
                width: 240px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0f1d2e;
            --primary-light: #1a3350;
            --accent: #c8963e;
            --accent-light: #d4a853;
            --accent-dark: #a67a2e;
            --bg: #ffffff;
            --bg-soft: #f7f8fa;
            --bg-warm: #faf9f6;
            --text: #1a1a2e;
            --text-soft: #4a4a5e;
            --text-muted: #7a7a90;
            --text-light: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f0f0f4;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.15);
            --sidenav-width: 260px;
            --header-mobile-height: 58px;
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-title: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        .container {
            width: 100%;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        /* ============ 侧边导航（桌面端） ============ */
        .sidenav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidenav-width);
            height: 100vh;
            background: var(--primary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 0 20px;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-slow);
            overflow-y: auto;
        }
        .sidenav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 24px 24px;
            margin-bottom: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-title);
        }
        .sidenav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .sidenav-nav {
            flex: 1;
            padding: 8px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidenav-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .sidenav-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .sidenav-nav a.active {
            background: rgba(200, 150, 62, 0.18);
            color: var(--accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }
        .sidenav-nav a .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .sidenav-extra {
            padding: 16px 24px 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            margin-top: auto;
        }
        .sidenav-extra .tagline {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.78rem;
            line-height: 1.5;
        }

        /* ============ 移动端顶部导航 ============ */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--primary);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            font-family: var(--font-title);
        }
        .logo-icon-sm {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
            flex-shrink: 0;
        }
        .menu-toggle {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.3rem;
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .menu-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* 移动端遮罩 */
        .sidenav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 998;
            transition: opacity var(--transition);
        }
        .sidenav-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ============ 主内容区 ============ */
        .main-content {
            margin-left: var(--sidenav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin var(--transition-slow);
        }

        /* ============ Banner ============ */
        .page-banner {
            position: relative;
            background: var(--primary-light) url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 80px 40px 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            min-height: 340px;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 29, 46, 0.88) 0%, rgba(15, 29, 46, 0.65) 50%, rgba(15, 29, 46, 0.80) 100%);
            z-index: 1;
        }
        .page-banner .banner-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.22);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.8px;
            margin-bottom: 18px;
            border: 1px solid rgba(200, 150, 62, 0.30);
        }
        .page-banner h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .page-banner .banner-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.08rem;
            line-height: 1.75;
            max-width: 580px;
            margin: 0 auto;
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: 60px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-header .accent-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: 14px;
        }

        /* ============ 百科分类卡片网格 ============ */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .wiki-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .wiki-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .wiki-card .card-img-wrap {
            position: relative;
            width: 100%;
            padding-top: 58%;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .wiki-card .card-img-wrap img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .wiki-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .wiki-card .card-img-wrap .img-overlay-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 1;
            letter-spacing: 0.5px;
        }
        .wiki-card .card-body {
            padding: 20px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .wiki-card .card-body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            margin-bottom: 7px;
            color: var(--text);
        }
        .wiki-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.55;
            flex: 1;
            margin-bottom: 12px;
        }
        .wiki-card .card-body .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition);
        }
        .wiki-card .card-body .card-link:hover {
            gap: 9px;
            color: var(--accent);
        }

        /* ============ 文章列表 ============ */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-item {
            display: flex;
            gap: 18px;
            background: var(--bg);
            border-radius: var(--radius);
            padding: 16px 18px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: center;
        }
        .article-item:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateX(3px);
        }
        .article-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-info {
            flex: 1;
            min-width: 0;
        }
        .article-info h4 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .article-info .meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .article-info .meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-tag {
            display: inline-block;
            background: rgba(200, 150, 62, 0.10);
            color: var(--accent-dark);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.73rem;
            font-weight: 600;
        }

        /* ============ 术语标签云 ============ */
        .term-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .term-tag {
            display: inline-block;
            padding: 9px 18px;
            background: var(--bg-soft);
            border-radius: 24px;
            font-size: 0.88rem;
            color: var(--text-soft);
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: default;
        }
        .term-tag:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .term-tag.featured {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
        }

        /* ============ 数据统计行 ============ */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .stat-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 28px 18px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .stat-card .stat-icon {
            width: 50px;
            height: 50px;
            margin: 0 auto 12px;
            background: rgba(200, 150, 62, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
        }
        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
        }
        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-q {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            transition: background var(--transition);
            cursor: pointer;
        }
        .faq-q:hover {
            background: var(--bg-soft);
        }
        .faq-q:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: var(--radius);
        }
        .faq-q .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: transform var(--transition);
            color: var(--text-muted);
        }
        .faq-item.open .faq-q .faq-icon {
            transform: rotate(180deg);
            background: var(--accent);
            color: #fff;
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            color: var(--text-soft);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--primary);
            padding: 56px 0;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            font-size: 0.95rem;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.35);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .btn:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }

        /* ============ Footer ============ */
        footer {
            background: #0c1826;
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 24px;
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 30px;
            margin-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 10px;
            font-family: var(--font-title);
        }
        .footer-brand i {
            color: var(--accent);
            font-size: 1.1rem;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            line-height: 1.6;
        }
        footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        footer ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.84rem;
            transition: color var(--transition);
        }
        footer ul li a:hover {
            color: var(--accent-light);
        }
        footer ul li span {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 18px;
            text-align: center;
            color: rgba(255, 255, 255, 0.40);
            font-size: 0.78rem;
            letter-spacing: 0.3px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .sidenav {
                transform: translateX(-100%);
            }
            .sidenav.open {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--header-mobile-height);
            }
            .page-banner {
                padding: 48px 20px 42px;
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 0.92rem;
            }
            .wiki-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .article-thumb {
                width: 80px;
                height: 56px;
            }
            .article-info h4 {
                font-size: 0.9rem;
            }
            .section {
                padding: 42px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 640px) {
            .wiki-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .page-banner {
                padding: 36px 16px 30px;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-desc {
                font-size: 0.84rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .article-item {
                flex-direction: column;
                align-items: stretch;
            }
            .article-thumb {
                width: 100%;
                height: 140px;
            }
            .term-cloud {
                gap: 7px;
            }
            .term-tag {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.88rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .section {
                padding: 32px 0;
            }
            .faq-q {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0d2137;
            --primary-light: #132d4a;
            --primary-lighter: #1a3f5c;
            --accent: #c8963e;
            --accent-light: #e0b860;
            --accent-soft: #f5e6c8;
            --bg: #f6f7f9;
            --white: #ffffff;
            --text: #1a1d23;
            --text-secondary: #4a5058;
            --text-light: #7a8088;
            --text-muted: #9ca3af;
            --border: #e2e5ea;
            --border-light: #eef0f4;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.18);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-width: 260px;
            --nav-collapsed: 72px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        ul,
        ol {
            list-style: none;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        /* ==================== 桌面端左侧导航 ==================== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-slow), width var(--transition-slow);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .side-nav-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 28px 0 20px;
        }

        .side-nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 22px 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .side-nav-logo .logo-icon {
            width: 44px;
            height: 44px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.4);
        }

        .side-nav-logo .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .side-nav-logo .logo-sub {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            white-space: nowrap;
            margin-top: 1px;
        }
        .side-nav-logo>div:last-child {
            display: flex;
            flex-direction: column;
        }

        .side-nav-menu {
            flex: 1;
            padding: 8px 14px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .side-nav-menu .nav-label {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.35);
            padding: 18px 10px 8px;
            font-weight: 600;
        }

        .side-nav-menu a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .side-nav-menu a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }

        .side-nav-menu a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
        }
        .side-nav-menu a:hover i {
            opacity: 1;
        }

        .side-nav-menu a.active {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.45);
        }
        .side-nav-menu a.active i {
            opacity: 1;
            color: var(--primary);
        }

        .side-nav-menu a .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-light);
            margin-left: auto;
            flex-shrink: 0;
        }
        .side-nav-menu a.active .badge-dot {
            background: var(--primary);
        }

        .side-nav-cta {
            padding: 16px 20px;
            flex-shrink: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            margin-top: 8px;
        }

        .side-nav-cta .cta-mini {
            display: block;
            width: 100%;
            padding: 11px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .side-nav-cta .cta-mini:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }

        /* ==================== 移动端 Header ==================== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--primary);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-md);
            height: 56px;
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .logo-icon-sm {
            width: 34px;
            height: 34px;
            background: var(--accent);
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
        }

        .menu-toggle {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            background: rgba(255, 255, 255, 0.08);
            transition: background var(--transition-fast);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }
        .menu-toggle:active {
            background: rgba(255, 255, 255, 0.22);
        }

        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            z-index: 998;
            pointer-events: none;
        }
        .mobile-drawer.open {
            pointer-events: auto;
        }
        .mobile-drawer .drawer-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .mobile-drawer.open .drawer-overlay {
            opacity: 1;
        }
        .mobile-drawer .drawer-panel {
            position: absolute;
            top: 0;
            left: -300px;
            width: 280px;
            height: 100%;
            background: var(--primary);
            box-shadow: var(--shadow-xl);
            transition: left var(--transition-slow);
            display: flex;
            flex-direction: column;
            padding: 20px 0;
            overflow-y: auto;
        }
        .mobile-drawer.open .drawer-panel {
            left: 0;
        }
        .drawer-panel .drawer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            margin-bottom: 12px;
            color: #fff;
            font-weight: 700;
            font-size: 1.15rem;
        }
        .drawer-panel .drawer-logo .logo-icon-sm {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.05rem;
        }
        .drawer-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 13px 20px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .drawer-panel a:hover,
        .drawer-panel a.active {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
        }
        .drawer-panel a.active {
            border-left: 3px solid var(--accent);
            background: rgba(200, 150, 62, 0.12);
            color: var(--accent-light);
            font-weight: 600;
        }
        .drawer-panel a i {
            width: 18px;
            text-align: center;
        }
        .drawer-close {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: background var(--transition-fast);
            z-index: 2;
        }
        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        /* ==================== 主内容区 ==================== */
        .main-content {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-slow);
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }
        .container-wide {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* ==================== Hero Banner ==================== */
        .hero-banner {
            position: relative;
            background: var(--primary-light);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            padding: 80px 0 90px;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(13, 33, 55, 0.82) 0%, rgba(19, 45, 74, 0.6) 50%, rgba(13, 33, 55, 0.78) 100%);
            z-index: 1;
        }
        .hero-banner .hero-inner {
            position: relative;
            z-index: 2;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .hero-breadcrumb a:hover {
            color: var(--accent-light);
        }
        .hero-breadcrumb .sep {
            opacity: 0.5;
            font-size: 0.7rem;
        }
        .hero-banner .hero-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.78rem;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .hero-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            max-width: 700px;
        }
        .hero-banner .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-stats-row {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1;
        }
        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* ==================== 板块通用 ==================== */
        .section {
            padding: 64px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.01em;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-header .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-light);
            max-width: 550px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-alt {
            background: var(--white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        /* ==================== 卡片网格 ==================== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
            position: relative;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef0f4;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-img-wrap .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 14px;
            letter-spacing: 0.03em;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .card-body .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            flex: 1;
        }
        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent);
            margin-top: 12px;
            transition: gap var(--transition-fast);
        }
        .card-body .card-link:hover {
            gap: 10px;
            color: var(--primary);
        }
        .card-body .card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .card-body .card-link:hover i {
            transform: translateX(3px);
        }

        /* ==================== 排名表格 ==================== */
        .table-wrap {
            overflow-x: auto;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .table-wrap thead th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            font-size: 0.82rem;
            font-weight: 600;
            text-align: left;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .table-wrap thead th:first-child {
            border-radius: var(--radius-sm) 0 0 0;
            text-align: center;
            width: 50px;
        }
        .table-wrap thead th:last-child {
            border-radius: 0 var(--radius-sm) 0 0;
        }
        .table-wrap tbody td {
            padding: 13px 16px;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .table-wrap tbody tr {
            transition: background var(--transition-fast);
        }
        .table-wrap tbody tr:hover {
            background: #fafbfc;
        }
        .table-wrap tbody tr:last-child td {
            border-bottom: none;
        }
        .rank-pos {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .rank-pos.top1 {
            background: #f6c343;
            color: #5c3d00;
        }
        .rank-pos.top2 {
            background: #c0c0c0;
            color: #3a3a3a;
        }
        .rank-pos.top3 {
            background: #d4a574;
            color: #4a2e10;
        }
        .rank-pos.normal {
            background: #f0f2f5;
            color: var(--text-secondary);
        }
        .team-name-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--text);
        }
        .team-name-cell .mini-crest {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-lighter);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.65rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ==================== 文章列表 ==================== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .article-item {
            display: flex;
            gap: 20px;
            background: var(--white);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .article-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }
        .article-thumb {
            width: 180px;
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #eef0f4;
        }
        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-item:hover .article-thumb img {
            transform: scale(1.05);
        }
        .article-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }
        .article-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .article-info .article-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .article-info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
            flex: 1;
        }
        .article-info .article-link {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--accent);
            margin-top: 8px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-info .article-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .article-info .article-link:hover i {
            transform: translateX(3px);
        }

        /* ==================== 球队历史区块 ==================== */
        .history-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .history-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
            background: #eef0f4;
        }
        .history-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .history-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .history-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .history-text .highlight-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }
        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .highlight-list li i {
            color: var(--accent);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ==================== FAQ ==================== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            text-align: left;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f0f2f5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            color: var(--text-light);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        /* ==================== CTA ==================== */
        .cta-section {
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.12);
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            z-index: 0;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 500px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        /* ==================== Footer ==================== */
        footer {
            background: #0a1929;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.3fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }
        .footer-brand i {
            color: var(--accent-light);
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.55);
        }
        footer h4 {
            font-size: 0.82rem;
            text-transform: uppercase;
            letter-spacing: 0.07em;
            color: #fff;
            margin-bottom: 14px;
            font-weight: 700;
        }
        footer ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        footer ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        footer ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.02em;
        }

        /* ==================== 响应式 ==================== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .history-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-banner h1 {
                font-size: 2.2rem;
            }
            .article-thumb {
                width: 140px;
                height: 100px;
            }
            .container,
            .container-wide {
                padding: 0 24px;
            }
            .section {
                padding: 48px 0;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .card-grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .hero-banner {
                padding: 50px 0 56px;
            }
            .hero-banner h1 {
                font-size: 1.7rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.5rem;
            }
            .article-item {
                flex-direction: column;
                padding: 16px;
            }
            .article-thumb {
                width: 100%;
                height: 160px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
            .table-wrap table {
                min-width: 550px;
                font-size: 0.8rem;
            }
            .table-wrap thead th,
            .table-wrap tbody td {
                padding: 10px 10px;
                font-size: 0.75rem;
            }
            .container,
            .container-wide {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .card-grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .hero-banner h1 {
                font-size: 1.4rem;
            }
            .hero-banner {
                padding: 36px 0 40px;
            }
            .hero-stats-row {
                gap: 14px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.3rem;
            }
            .hero-stat-item .stat-label {
                font-size: 0.7rem;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .table-wrap {
                border-radius: var(--radius-sm);
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .history-text h3 {
                font-size: 1.2rem;
            }
            .article-thumb {
                height: 130px;
            }
        }