/* roulang page: index */
:root {
            --primary: #1565c0;
            --primary-light: #42a5f5;
            --primary-dark: #0d47a1;
            --accent: #ff9800;
            --accent-light: #ffb74d;
            --bg: #f4f6fa;
            --surface: #ffffff;
            --text: #182b3a;
            --text-muted: #6b7c91;
            --border: #e3eaf0;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(20, 45, 80, 0.06);
            --shadow-md: 0 8px 30px rgba(20, 45, 80, 0.10);
            --shadow-lg: 0 16px 48px rgba(20, 45, 80, 0.16);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Nav Capsule */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 100;
            padding: 0 20px;
        }

        .nav-capsule {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 60px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, 0.6);
            max-width: 1220px;
            margin: 0 auto;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 24px;
        }

        .brand {
            font-size: 1.45rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            transition: all 0.25s ease;
        }

        .nav-links a:hover {
            background: #eef3f9;
            color: var(--primary);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(21, 101, 192, 0.35);
        }

        .nav-cta {
            background: var(--accent);
            color: #fff !important;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
        }

        .nav-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text);
            line-height: 1;
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 140px 0 120px;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 28, 50, 0.55) 0%, rgba(8, 28, 50, 0.75) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(6px);
            padding: 8px 24px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: 3.4rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .hero p {
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 36px;
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 152, 0, 0.4);
        }

        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 152, 0, 0.5);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 60px;
            margin-top: 56px;
            flex-wrap: wrap;
        }

        .stat-item h3 {
            font-size: 2.4rem;
            font-weight: 900;
        }

        .stat-item p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
        }

        /* Sections */
        .section {
            padding: 90px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 64px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            background: #e8f0fe;
            color: var(--primary);
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .section-header h2 {
            font-size: 2.6rem;
            font-weight: 900;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* Cards */
        .feature-card {
            background: var(--surface);
            padding: 40px 32px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
        }

        .feature-card i {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 20px;
            display: block;
        }

        .feature-card h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-muted);
        }

        /* Category cards */
        .category-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            height: 100%;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .category-card img {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }

        .category-card-body {
            padding: 24px;
        }

        .category-card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        .category-card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            background: #e8f0fe;
            color: var(--primary);
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        /* News list */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-item {
            background: var(--surface);
            padding: 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: block;
        }

        .news-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .news-meta {
            display: flex;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .news-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .news-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .empty-tip {
            text-align: center;
            padding: 48px 20px;
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
            color: var(--text-muted);
            font-size: 1rem;
        }

        /* Featured content */
        .featured-item {
            display: flex;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 16px;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .featured-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .featured-item img {
            width: 45%;
            border-radius: var(--radius-md);
            object-fit: cover;
        }

        .featured-item-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-item-content h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .featured-item-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 12px;
        }

        .featured-item-content a {
            color: var(--primary);
            font-weight: 700;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .featured-item-content a:hover {
            gap: 10px;
        }

        /* Process */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: transform 0.3s ease;
        }

        .process-step:hover {
            transform: translateY(-6px);
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .process-step h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .process-step p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 0 24px;
            transition: box-shadow 0.3s ease;
        }

        .faq-item summary {
            padding: 18px 0;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item[open] {
            box-shadow: var(--shadow-md);
        }

        .faq-item p {
            padding: 0 0 18px;
            color: var(--text-muted);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 900;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }

        /* Footer */
        .site-footer {
            background: #101d2d;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-about p {
            max-width: 320px;
        }

        .footer-links h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }

        .footer-links a,
        .footer-contact p {
            display: block;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s;
        }

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

        .footer-bottom {
            text-align: center;
            padding: 24px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }

        /* Article page */
        .article-banner {
            position: relative;
            padding: 120px 0 80px;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 28, 50, 0.6);
        }

        .article-banner .container {
            position: relative;
            z-index: 2;
        }

        .article-banner h1 {
            font-size: 2.8rem;
            font-weight: 900;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }

        .article-content {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 48px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .article-content p {
            margin-bottom: 20px;
            color: var(--text);
            line-height: 1.9;
        }

        .article-content h2,
        .article-content h3 {
            margin: 28px 0 12px;
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-widget {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .sidebar-widget ul li {
            margin-bottom: 8px;
        }

        .sidebar-widget ul li a {
            color: var(--text-muted);
        }

        .sidebar-widget ul li a:hover {
            color: var(--primary);
        }

        /* Category page */
        .category-hero {
            position: relative;
            padding: 120px 0 80px;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 28, 50, 0.6);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .category-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            margin-bottom: 16px;
        }

        .category-hero p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 640px;
            margin: 0 auto;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-top: 32px;
        }

        .tag-cloud a {
            background: #eef3f9;
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.2s ease;
        }

        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.8rem;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .article-layout {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                background: var(--surface);
                border-radius: var(--radius-md);
                padding: 16px;
                box-shadow: var(--shadow-md);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 14px;
            }

            .hero {
                padding: 100px 0 80px;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .hero-stats {
                gap: 24px;
            }

            .section {
                padding: 60px 0;
            }

            .section-header h2 {
                font-size: 2rem;
            }

            .news-list {
                grid-template-columns: 1fr;
            }

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

            .featured-item {
                flex-direction: column;
            }

            .featured-item img {
                width: 100%;
                height: 180px;
            }

            .article-banner {
                padding: 90px 0 60px;
            }

            .article-banner h1 {
                font-size: 2rem;
            }

            .category-hero {
                padding: 90px 0 60px;
            }

            .category-hero h1 {
                font-size: 2.4rem;
            }

            .article-content {
                padding: 24px;
            }
        }

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

            .brand {
                font-size: 1.2rem;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .hero-actions {
                flex-direction: column;
            }

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

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

            .stat-item h3 {
                font-size: 1.8rem;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

            .article-layout {
                gap: 24px;
            }

            .article-content {
                padding: 20px;
            }

            .article-meta {
                flex-direction: column;
                gap: 8px;
            }

            .tag-cloud a {
                padding: 6px 14px;
                font-size: 0.9rem;
            }

            .footer-contact p,
            .footer-links a {
                font-size: 0.95rem;
            }

            .footer-bottom {
                font-size: 0.85rem;
            }
        }

/* roulang page: article */
:root {
    --primary: #0b1220;
    --primary-light: #122238;
    --secondary: #ff6a30;
    --secondary-hover: #e8551a;
    --accent: #4cc2ff;
    --bg: #f5f7fa;
    --card-bg: #ffffff;
    --text: #16233a;
    --text-muted: #6b7a90;
    --border: #e3e9f1;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 8px 30px rgba(11, 18, 32, 0.07);
    --shadow-lg: 0 20px 55px rgba(11, 18, 32, 0.13);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

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

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

body {
    font-family: var(--font);
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--secondary-hover);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-pad {
    padding: 90px 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1.4;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    background: var(--secondary);
    color: #fff;
    box-shadow: 0 6px 20px rgba(255, 106, 48, 0.28);
}

.btn:hover {
    background: var(--secondary-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255, 106, 48, 0.35);
}

.btn:focus-visible {
    outline: 3px solid rgba(76, 194, 255, 0.5);
    outline-offset: 2px;
}

.btn-light {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.18);
}

.btn-light:hover {
    background: #f2f4f7;
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.65);
    box-shadow: none;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: #fff;
    box-shadow: none;
}

.btn-outline {
    background: transparent;
    color: var(--secondary);
    border-color: var(--secondary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--secondary);
    color: #fff;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-lg {
    padding: 15px 38px;
    font-size: 16px;
}

/* ===== Header / 导航 ===== */
.site-header {
    position: sticky;
    top: 16px;
    z-index: 1000;
    padding: 0 20px;
    pointer-events: none;
}

.nav-capsule {
    pointer-events: auto;
    max-width: 1100px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 999px;
    box-shadow: 0 8px 32px rgba(11, 18, 32, 0.10);
    transition: var(--transition);
}

.nav-capsule:hover {
    box-shadow: 0 12px 40px rgba(11, 18, 32, 0.14);
    background: rgba(255, 255, 255, 0.92);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    max-width: 1100px;
}

.brand {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
    transition: var(--transition);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    color: var(--text);
    font-weight: 500;
    font-size: 15px;
    padding: 9px 18px;
    border-radius: 999px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(76, 194, 255, 0.10);
}

.nav-links a.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 4px 14px rgba(11, 18, 32, 0.25);
}

.nav-links .nav-cta {
    background: var(--secondary);
    color: #fff;
    margin-left: 8px;
    box-shadow: 0 4px 14px rgba(255, 106, 48, 0.28);
}

.nav-links .nav-cta:hover {
    background: var(--secondary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(255, 106, 48, 0.35);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 22px;
    color: var(--primary);
    cursor: pointer;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    transition: var(--transition);
}

.nav-toggle:hover {
    background: rgba(11, 18, 32, 0.06);
}

/* ===== 页面 Banner ===== */
.page-banner {
    background-size: cover;
    background-position: center;
    position: relative;
    padding: 120px 0 96px;
    margin-top: -76px;
    color: #fff;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(102deg, rgba(11, 18, 32, 0.92) 0%, rgba(11, 18, 32, 0.72) 60%, rgba(18, 34, 56, 0.55) 100%);
    z-index: 1;
}

.page-banner .container {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

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

.breadcrumb-sep {
    color: rgba(255, 255, 255, 0.4);
    font-size: 12px;
}

.banner-content .badge-category {
    display: inline-block;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    padding: 6px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 18px;
    backdrop-filter: blur(8px);
}

.banner-content h1 {
    font-size: clamp(26px, 4vw, 46px);
    font-weight: 800;
    line-height: 1.25;
    max-width: 860px;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.banner-content .banner-desc {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.82);
    max-width: 720px;
    line-height: 1.7;
}

/* ===== 文章主体 ===== */
.article-section {
    padding: 72px 0 90px;
}

.article-layout {
    row-gap: 32px;
}

.article-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 42px 44px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.article-card:hover {
    box-shadow: var(--shadow-lg);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin: 22px 0 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.meta-item i {
    color: var(--secondary);
    font-size: 15px;
}

.article-body {
    font-size: 16.5px;
    line-height: 1.9;
    color: var(--text);
}

.article-body p {
    margin-bottom: 1.4em;
}

.article-body h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 1.6em 0 0.7em;
    color: var(--primary);
    padding-left: 18px;
    border-left: 4px solid var(--secondary);
    line-height: 1.35;
}

.article-body h3 {
    font-size: 21px;
    font-weight: 700;
    margin: 1.5em 0 0.6em;
    color: var(--primary);
}

.article-body img {
    border-radius: var(--radius);
    margin: 24px 0;
    box-shadow: var(--shadow);
}

.article-body ul,
.article-body ol {
    margin: 0 0 1.5em 1.5em;
}

.article-body ul li,
.article-body ol li {
    margin-bottom: 0.6em;
}

.article-body blockquote {
    background: #f8fafc;
    border-left: 4px solid var(--accent);
    padding: 18px 24px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 1.5em 0;
    color: var(--text-muted);
    font-style: italic;
}

.article-body a {
    color: var(--secondary);
    font-weight: 600;
    border-bottom: 1px solid rgba(255, 106, 48, 0.3);
    padding-bottom: 1px;
}

.article-body a:hover {
    border-bottom-color: var(--secondary);
}

.article-body code {
    background: #f1f5f9;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 0.9em;
    color: var(--secondary);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 36px;
    padding-top: 26px;
    border-top: 1px solid var(--border);
}

.tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f0f4f9;
    border: 1px solid #e3e9f1;
    color: #475569;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    cursor: default;
}

.tag-badge:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.not-found-box {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 80px 44px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.not-found-box i {
    font-size: 52px;
    color: var(--secondary);
    margin-bottom: 20px;
    display: block;
}

.not-found-box h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 12px;
}

.not-found-box p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 28px;
}

*:focus-visible {
    outline: 3px solid rgba(76, 194, 255, 0.5);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== 侧边栏 ===== */
.sidebar-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    transition: var(--transition);
}

.sidebar-card:hover {
    box-shadow: var(--shadow-lg);
}

.sidebar-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--border);
    position: relative;
}

.sidebar-card h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 42px;
    height: 2px;
    background: var(--secondary);
}

.info-list {
    list-style: none;
    margin: 0;
}

.info-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 11px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list span {
    color: var(--text-muted);
}

.info-list strong {
    color: var(--text);
    font-weight: 600;
    max-width: 55%;
    text-align: right;
    word-break: break-all;
}

.sidebar-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border: none;
    color: #fff;
}

.sidebar-cta h3 {
    color: #fff;
    border-bottom-color: rgba(255, 255, 255, 0.16);
}

.sidebar-cta h3::after {
    background: var(--accent);
}

.sidebar-cta p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* ===== 推荐阅读 ===== */
.recommend-section {
    padding: 90px 0;
    background: var(--bg);
}

.section-head {
    text-align: center;
    margin-bottom: 52px;
}

.section-tag {
    display: inline-block;
    background: rgba(255, 106, 48, 0.10);
    color: var(--secondary);
    padding: 6px 20px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 14px;
}

.section-head h2 {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.section-head p {
    color: var(--text-muted);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.content-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.content-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.content-card .card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.content-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.content-card:hover .card-img img {
    transform: scale(1.06);
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 42%, rgba(11, 18, 32, 0.55) 100%);
    pointer-events: none;
}

.card-cat {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(11, 18, 32, 0.78);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
    letter-spacing: 0.03em;
    z-index: 2;
}

.card-img .card-cat {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 3;
}

.card-body {
    padding: 26px 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 12px;
    color: var(--primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-body p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-body .card-link {
    margin-top: auto;
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.card-body .card-link:hover {
    gap: 12px;
    color: var(--secondary-hover);
}

.card-body .card-link i {
    font-size: 13px;
    transition: transform 0.3s ease;
}

/* ===== FAQ ===== */
.faq-section {
    background: #eef1f6;
    padding: 90px 0;
}

.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: 0 4px 16px rgba(11, 18, 32, 0.05);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.faq-item summary {
    padding: 20px 26px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    list-style: none;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
    user-select: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::before {
    content: '\f059';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--secondary);
    font-size: 18px;
    flex-shrink: 0;
}

.faq-item summary:hover {
    background: #f8fafc;
}

.faq-item p {
    padding: 0 26px 22px 58px;
    font-size: 15.5px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
    padding: 90px 0;
    background: var(--primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(76, 194, 255, 0.22) 0%, transparent 45%),
                radial-gradient(circle at 20% 80%, rgba(255, 106, 48, 0.18) 0%, transparent 40%);
    pointer-events: none;
}

.cta-box {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    color: #fff;
}

.cta-box h2 {
    font-size: clamp(26px, 4vw, 40px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.cta-box p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin-bottom: 32px;
}

.cta-box .btn-group {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
}

/* ===== 页脚 ===== */
.site-footer {
    background: #070d18;
    color: rgba(255, 255, 255, 0.65);
    padding: 62px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.footer-about p {
    font-size: 14.5px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.55);
    max-width: 360px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
    letter-spacing: 0.03em;
}

.footer-links a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14.5px;
    padding: 6px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 6px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14.5px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
}

.footer-contact i {
    color: var(--accent);
    width: 18px;
    text-align: center;
}

.footer-bottom {
    padding: 22px 0;
    text-align: center;
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .site-header {
        top: 10px;
        padding: 0 12px;
    }

    .nav-inner {
        padding: 10px 18px;
    }

    .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        position: fixed;
        top: 74px;
        left: 12px;
        right: 12px;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(18px);
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        border-radius: 18px;
        gap: 6px;
        box-shadow: 0 18px 50px rgba(11, 18, 32, 0.18);
        border: 1px solid rgba(255, 255, 255, 0.7);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-12px);
        transition: var(--transition);
    }

    .nav-links.nav-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-links a {
        padding: 12px 18px;
        text-align: center;
        font-size: 15.5px;
    }

    .nav-links .nav-cta {
        margin-left: 0;
        margin-top: 6px;
    }

    .page-banner {
        padding: 110px 0 70px;
    }

    .article-card {
        padding: 30px 24px;
    }

    .banner-content h1 {
        font-size: 26px;
    }

    .article-body {
        font-size: 15.5px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

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

    .article-section {
        padding: 48px 0 60px;
    }

    .article-card {
        padding: 22px 18px;
        border-radius: 18px;
    }

    .article-meta {
        gap: 10px;
    }

    .meta-item {
        font-size: 13px;
    }

    .meta-item i {
        font-size: 13px;
    }

    .card-body {
        padding: 20px;
    }

    .faq-item summary {
        font-size: 15px;
        padding: 16px 18px;
    }

    .faq-item p {
        padding: 0 18px 18px 48px;
        font-size: 14px;
    }

    .cta-section {
        padding: 64px 0;
    }

    .cta-box .btn-group {
        flex-direction: column;
    }

    .cta-box .btn-group .btn {
        width: 100%;
    }

    .page-banner {
        padding-top: 104px;
    }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1e33;
            --primary-soft: #e8edf5;
            --primary-light: #15365a;
            --accent: #f5732a;
            --accent-hover: #e05c18;
            --bg: #f5f7fb;
            --surface: #ffffff;
            --text: #0f1c2e;
            --text-weak: #6a7a8e;
            --border: #e3e8ef;
            --border-light: #edf1f7;
            --radius: 18px;
            --radius-sm: 10px;
            --radius-pill: 60px;
            --shadow: 0 6px 24px rgba(11, 30, 51, .08);
            --shadow-hover: 0 14px 36px rgba(11, 30, 51, .14);
            --spacing: 16px;
        }

        /* ===== 基础样式 ===== */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 115, 42, .35);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: #d4dce8;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
        }

        .btn-light:hover {
            background: #f1f4f8;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .15);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .tag:focus-visible,
        .nav-links a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 悬浮胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 14px;
            left: 0;
            right: 0;
            z-index: 100;
            pointer-events: none;
        }

        .nav-capsule {
            pointer-events: auto;
            max-width: 1100px;
            margin: 0 auto;
            padding: 8px;
            background: rgba(255, 255, 255, .82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            box-shadow: 0 10px 36px rgba(11, 30, 51, .12);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 8px;
        }

        .brand {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .5px;
            transition: opacity .2s ease;
        }

        .brand:hover {
            opacity: .8;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            padding-right: 4px;
        }

        .nav-links a {
            padding: 9px 16px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            transition: all .2s ease;
        }

        .nav-links a:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #fff;
        }

        .nav-links a.nav-cta {
            background: var(--accent);
            color: #fff;
            padding: 9px 18px;
        }

        .nav-links a.nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(245, 115, 42, .35);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--primary);
            cursor: pointer;
            padding: 8px 12px;
            border-radius: 12px;
            position: relative;
            z-index: 300;
        }

        .nav-toggle:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }

        .section-tight {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 44px;
        }

        .section-head.text-center {
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(245, 115, 42, .1);
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .section-desc {
            color: var(--text-weak);
            font-size: 16px;
            max-width: 600px;
        }

        /* ===== 分类 Hero ===== */
        .cat-hero {
            position: relative;
            padding: 150px 0 100px;
            background-image: linear-gradient(135deg, rgba(11, 30, 51, .92), rgba(20, 55, 90, .76)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: 50px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            margin-bottom: 22px;
            backdrop-filter: blur(6px);
            letter-spacing: 1px;
        }

        .hero-badge i {
            margin-right: 6px;
            color: #ffb68a;
        }

        .cat-hero h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.2;
            margin: 0 0 18px;
            letter-spacing: 1px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, .3);
        }

        .cat-hero p {
            font-size: 18px;
            line-height: 1.8;
            max-width: 640px;
            margin: 0 auto 36px;
            color: rgba(255, 255, 255, .85);
        }

        .hero-search {
            display: flex;
            max-width: 580px;
            margin: 0 auto 40px;
            background: #fff;
            border-radius: 60px;
            padding: 6px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
        }

        .hero-search input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            padding: 12px 20px;
            font-size: 15px;
            color: var(--text);
            border-radius: 50px;
            min-width: 0;
        }

        .hero-search input::placeholder {
            color: #98a4b3;
        }

        .hero-search button {
            width: 48px;
            height: 48px;
            border: none;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            cursor: pointer;
            transition: background .2s ease;
            flex-shrink: 0;
        }

        .hero-search button:hover {
            background: var(--accent-hover);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
        }

        .hero-stats span {
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
        }

        .hero-stats strong {
            display: block;
            font-size: 28px;
            color: #fff;
            font-weight: 800;
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .tag {
            padding: 10px 22px;
            border-radius: 50px;
            background: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-weak);
            font-size: 14px;
            font-weight: 600;
            transition: all .2s ease;
        }

        .tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* ===== 最新资讯 ===== */
        .section-news {
            background: #fff;
        }

        .featured-card {
            overflow: hidden;
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .featured-media {
            position: relative;
            display: block;
            height: 300px;
            overflow: hidden;
        }

        .featured-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .featured-card:hover .featured-media img {
            transform: scale(1.04);
        }

        .badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(245, 115, 42, .92);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 30px;
            z-index: 2;
        }

        .featured-body {
            padding: 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .meta {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 12px;
        }

        .featured-body h3 {
            font-size: 24px;
            line-height: 1.4;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
        }

        .featured-body h3 a:hover {
            color: var(--accent);
        }

        .featured-body p {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--accent);
            font-size: 15px;
            transition: gap .2s ease, color .2s ease;
            margin-top: auto;
        }

        .text-link:hover {
            gap: 12px;
            color: var(--accent-hover);
        }

        .news-side-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            height: 100%;
        }

        .news-side-item {
            display: flex;
            gap: 16px;
            background: var(--surface);
            border-radius: 14px;
            padding: 14px;
            align-items: center;
            transition: all .25s ease;
            box-shadow: var(--shadow);
            flex: 1;
        }

        .news-side-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .news-side-item img {
            width: 96px;
            height: 96px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }

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

        .side-tag {
            display: inline-block;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 6px;
        }

        .side-content h4 {
            font-size: 16px;
            line-height: 1.5;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }

        .side-content h4 a:hover {
            color: var(--accent);
        }

        .side-content .meta {
            margin: 0;
            font-size: 12px;
        }

        .news-card-row {
            margin-top: 28px;
            row-gap: 28px;
        }

        .news-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .news-card .news-media {
            position: relative;
            display: block;
            height: 200px;
            overflow: hidden;
        }

        .news-card .news-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card:hover .news-media img {
            transform: scale(1.05);
        }

        .news-card .news-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(245, 115, 42, .92);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 30px;
            z-index: 2;
        }

        .news-card .news-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-title {
            font-size: 18px;
            font-weight: 800;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 10px;
        }

        .news-card .news-title a:hover {
            color: var(--accent);
        }

        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .news-card .news-foot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .news-card .news-foot a {
            color: var(--accent);
            font-weight: 600;
            transition: gap .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .news-foot a:hover {
            gap: 10px;
        }

        /* ===== 数据看板 ===== */
        .section-stats {
            background: var(--primary);
            background-image: linear-gradient(135deg, #0b1e33 0%, #15365a 50%, #0b1e33 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .section-stats::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(245, 115, 42, .15);
        }

        .section-stats .section-head {
            margin-bottom: 40px;
        }

        .section-stats .section-title {
            color: #fff;
        }

        .section-stats .section-desc {
            color: rgba(255, 255, 255, .65);
        }

        .section-stats .section-eyebrow {
            background: rgba(255, 255, 255, .08);
            color: #ffb68a;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            text-align: center;
            color: #fff;
            padding: 30px 20px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius);
            backdrop-filter: blur(4px);
            transition: transform .25s ease;
        }

        .stat-item:hover {
            transform: translateY(-4px);
        }

        .stat-item strong {
            display: block;
            font-size: 44px;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 6px;
            color: #fff;
        }

        .stat-item span {
            color: rgba(255, 255, 255, .7);
            font-size: 15px;
            font-weight: 600;
        }

        /* ===== 深度专栏 ===== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
            transition: box-shadow .3s ease;
        }

        .feature-row:hover {
            box-shadow: var(--shadow-hover);
        }

        .feature-row.reverse .feature-media {
            order: 2;
        }

        .feature-media {
            position: relative;
            min-height: 260px;
            overflow: hidden;
        }

        .feature-media img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .feature-row:hover .feature-media img {
            transform: scale(1.04);
        }

        .feature-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 40px;
        }

        .feature-tag {
            align-self: flex-start;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
        }

        .feature-content h3 {
            font-size: 24px;
            line-height: 1.4;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
        }

        .feature-content p {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 22px;
        }

        .feature-stats {
            display: flex;
            gap: 24px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .feature-stats span {
            font-size: 14px;
            color: var(--text-weak);
        }

        .feature-stats strong {
            color: var(--primary);
            font-size: 16px;
            margin-left: 2px;
        }

        /* ===== 赛事日程 ===== */
        .section-schedule {
            background: #fff;
        }

        .schedule-note {
            font-size: 13px;
            color: var(--text-weak);
            padding: 6px 14px;
            background: var(--bg);
            border-radius: 30px;
        }

        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--surface);
            border-radius: 16px;
            padding: 20px 26px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--accent);
            transition: all .25s ease;
        }

        .schedule-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-hover);
        }

        .schedule-time {
            font-weight: 800;
            font-size: 20px;
            color: var(--primary);
            width: 70px;
            flex-shrink: 0;
        }

        .schedule-league {
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            width: 64px;
            text-align: center;
            flex-shrink: 0;
        }

        .schedule-matches {
            flex: 1;
            font-weight: 700;
            font-size: 16px;
            min-width: 0;
        }

        .schedule-matches span {
            margin: 0 8px;
            color: #adb5c1;
            font-weight: 400;
            font-size: 13px;
        }

        .schedule-status {
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 30px;
            background: #eef4ef;
            color: #1f8a4c;
            flex-shrink: 0;
        }

        .schedule-status.live {
            background: rgba(245, 115, 42, .1);
            color: var(--accent);
            animation: pulse 1.6s infinite;
        }

        .schedule-status .dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            margin-right: 5px;
            vertical-align: middle;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: .55;
            }
        }

        /* ===== FAQ ===== */
        .section-faq .accordion {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            border: none;
            list-style: none;
        }

        .accordion-item:not(:last-child) {
            border-bottom: 1px solid var(--border-light);
        }

        .accordion-title {
            position: relative;
            display: block;
            background: transparent;
            border: none;
            padding: 22px 60px 22px 28px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            border-radius: 0;
            transition: background .2s ease;
        }

        .accordion-title:hover {
            background: #f8fafc;
        }

        .accordion-title::before {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            position: absolute;
            right: 26px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            transition: transform .3s ease;
        }

        .accordion-item.is-active > .accordion-title::before {
            transform: translateY(-50%) rotate(180deg);
        }

        .accordion-content {
            padding: 0 52px 22px 28px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
            background: transparent;
            border: none;
        }

        .accordion-title:focus {
            outline: none;
            background: #f0f3f8;
        }

        .accordion-title:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== CTA ===== */
        .section-cta {
            padding-bottom: 90px;
        }

        .cta-panel {
            position: relative;
            border-radius: 26px;
            padding: 70px 60px;
            text-align: center;
            color: #fff;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(11, 30, 51, .3);
            background: linear-gradient(95deg, rgba(11, 30, 51, .92), rgba(20, 55, 90, .72));
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: .35;
            z-index: 0;
        }

        .cta-panel > * {
            position: relative;
            z-index: 2;
        }

        .cta-panel h2 {
            font-size: 36px;
            font-weight: 900;
            margin-bottom: 16px;
        }

        .cta-panel p {
            font-size: 17px;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, .75);
            padding-top: 70px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 50px;
        }

        .footer-brand {
            color: #fff;
            font-size: 24px;
            font-weight: 900;
            margin-bottom: 16px;
        }

        .footer-about p {
            font-size: 15px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-links h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, .6);
            font-size: 15px;
            line-height: 2.2;
            transition: color .2s ease;
        }

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

        .footer-contact p {
            font-size: 15px;
            line-height: 2.2;
            margin: 0;
        }

        .footer-contact i {
            color: var(--accent);
            margin-right: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 64px 0;
            }

            .cat-hero h1 {
                font-size: 42px;
            }

            .feature-row {
                grid-template-columns: 1fr;
            }

            .feature-row.reverse .feature-media {
                order: 0;
            }

            .feature-media {
                min-height: 220px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 28px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .section-head.text-center {
                align-items: center;
            }

            .cat-hero {
                padding: 120px 0 70px;
            }

            .cat-hero h1 {
                font-size: 34px;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stats strong {
                font-size: 22px;
            }

            .nav-capsule {
                max-width: 100%;
                margin: 0 14px;
                border-radius: 24px;
            }

            .nav-toggle {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: 0;
                width: 280px;
                height: 100vh;
                background: var(--surface);
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 90px 24px 40px;
                box-shadow: -16px 0 40px rgba(11, 30, 51, .12);
                transform: translateX(100%);
                transition: transform .3s ease;
                border-radius: 0;
                margin: 0;
            }

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

            .nav-links a {
                width: 100%;
                text-align: left;
                padding: 12px 18px;
            }

            .nav-links a.nav-cta {
                text-align: center;
            }

            .news-side-item img {
                width: 80px;
                height: 80px;
            }

            .schedule-item {
                flex-wrap: wrap;
                gap: 12px;
            }

            .schedule-matches {
                width: 100%;
                flex: none;
            }

            .cta-panel {
                padding: 48px 24px;
            }

            .cta-panel h2 {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

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

            .section {
                padding: 44px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .cat-hero {
                padding: 110px 0 60px;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

            .cat-hero p {
                font-size: 15px;
            }

            .featured-media {
                height: 220px;
            }

            .featured-body {
                padding: 22px;
            }

            .featured-body h3 {
                font-size: 20px;
            }

            .news-side-item img {
                width: 70px;
                height: 70px;
            }

            .news-card .news-media {
                height: 170px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-item strong {
                font-size: 32px;
            }

            .feature-content {
                padding: 28px 22px;
            }

            .feature-content h3 {
                font-size: 20px;
            }

            .footer-about p {
                max-width: 100%;
            }

            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }