/* roulang page: index */
/* Custom global styles beyond Tailwind utilities */
:root {
  --primary: #1E40AF;
  --primary-light: #3B82F6;
  --accent: #F97316;
  --accent-dark: #EA580C;
  --dark: #0F172A;
  --gray-soft: #F1F5F9;
  --gray-muted: #94A3B8;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --shadow-card: 0 10px 25px -5px rgba(0,0,0,0.05), 0 8px 10px -6px rgba(0,0,0,0.02);
  --shadow-elevated: 0 20px 25px -5px rgba(0,0,0,0.08), 0 10px 10px -5px rgba(0,0,0,0.02);
}

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica Neue, Arial, sans-serif;
  color: #1e293b;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Smooth transitions for interactive elements */
a, button, .transition-custom {
  transition: all 0.2s ease-in-out;
}

/* Navbar styling */
.navbar-glass {
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.92);
  box-shadow: 0 4px 30px rgba(0,0,0,0.03);
}
.nav-link {
  position: relative;
  font-weight: 500;
  color: #334155;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

/* Hero gradient overlay */
.hero-overlay {
  background: linear-gradient(135deg, rgba(15,23,42,0.8) 0%, rgba(30,64,175,0.7) 100%);
}

/* Card hover lift */
.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}
.card-hover {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* Custom button styles */
.btn-primary {
  background: linear-gradient(135deg, #1E40AF, #2563EB);
  border: none;
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  box-shadow: 0 8px 15px -3px rgba(37,99,235,0.3);
  transition: all 0.2s;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #1E3A8A, #1D4ED8);
  box-shadow: 0 12px 20px -4px rgba(37,99,235,0.4);
  transform: translateY(-1px);
}
.btn-accent {
  background: linear-gradient(135deg, #F97316, #FB923C);
  border: none;
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  box-shadow: 0 8px 15px -3px rgba(249,115,22,0.3);
}
.btn-accent:hover {
  background: linear-gradient(135deg, #EA580C, #F97316);
  box-shadow: 0 12px 20px -4px rgba(249,115,22,0.4);
}

/* Search box */
.search-box {
  border: 1px solid #e2e8f0;
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  width: 220px;
  background: white;
  transition: border-color 0.2s;
  display: flex;
  align-items: center;
}
.search-box:focus-within {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}
.search-box input {
  border: none;
  outline: none;
  flex: 1;
  background: transparent;
}

/* Rating stars */
.rating-star {
  color: #fbbf24;
  font-size: 1.2rem;
}

/* FAQ accordion */
.faq-item {
  border-bottom: 1px solid #e2e8f0;
}
.faq-question {
  cursor: pointer;
  padding: 1.25rem 0;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #1e293b;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 1.25rem;
}

/* Mobile menu */
.mobile-menu {
  display: none;
  background: white;
  border-top: 1px solid #f1f5f9;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}
.mobile-menu.open {
  display: block;
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
}
@media (min-width: 769px) {
  .mobile-nav-toggle {
    display: none;
  }
}

/* roulang page: category1 */
:root {
            --primary: #0F2B5C;
            --primary-light: #1A3A6B;
            --accent: #FF6B35;
            --accent-hover: #E85A28;
            --bg: #F8FAFC;
            --white: #FFFFFF;
            --gray-light: #F1F5F9;
            --gray-muted: #94A3B8;
            --text: #1E293B;
            --text-secondary: #475569;
            --border: #E2E8F0;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow: 0 4px 6px rgba(0,0,0,0.05);
            --shadow-md: 0 10px 25px rgba(0,0,0,0.08);
            --radius-sm: 0.5rem;
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --transition: 0.2s ease;
        }
        * { box-sizing: border-box; }
        body { 
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            margin: 0;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; }
        button { cursor: pointer; font-family: inherit; }

        /* Navbar Glass Effect */
        .navbar-glass {
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226,232,240,0.5);
            box-shadow: var(--shadow-sm);
        }
        .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
            transition: color var(--transition);
        }
        .nav-link:hover { color: var(--primary); }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--gray-light);
            border-radius: 2rem;
            padding: 0.5rem 1rem;
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
            background: var(--white);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            min-width: 140px;
            color: var(--text);
        }
        .btn-primary {
            background: var(--primary);
            color: white;
            border-radius: 2rem;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-accent {
            background: var(--accent);
            color: white;
            border-radius: 2rem;
            font-weight: 600;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 10px 25px rgba(255,107,53,0.3);
        }
        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            border-radius: 2rem;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        .btn-sm {
            padding: 0.5rem 1.25rem;
            font-size: 0.875rem;
        }
        /* Mobile nav toggle */
        .mobile-nav-toggle { display: none; }
        .mobile-menu { display: none; background: white; border-bottom: 1px solid var(--border); }
        @media (max-width: 768px) {
            .desktop-nav { display: none !important; }
            .mobile-nav-toggle { display: block; }
        }
        .mobile-menu.active { display: block; }

        /* Rating stars */
        .star-rating {
            color: #FBBF24;
            font-size: 0.95rem;
            letter-spacing: 1px;
        }
        .score-badge {
            background: linear-gradient(135deg, var(--accent), #FF8C00);
            color: white;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 0.25rem 0.75rem;
            border-radius: 2rem;
            display: inline-flex;
            align-items: center;
            box-shadow: 0 4px 10px rgba(255,107,53,0.3);
        }
        /* Hero Banner */
        .category-hero {
            background: linear-gradient(135deg, #0F2B5C 0%, #1A3A6B 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-blend-mode: overlay;
            padding: 6rem 0 4rem;
            color: white;
            text-align: center;
        }
        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        @media (max-width: 640px) {
            .category-hero h1 { font-size: 1.8rem; }
        }
        /* Card styles */
        .review-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .review-card .cover-img {
            height: 200px;
            object-fit: cover;
            background-color: #E2E8F0;
        }
        .review-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-type-tag {
            background: #EFF6FF;
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            width: fit-content;
            margin-bottom: 0.75rem;
        }
        .review-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            line-height: 1.3;
        }
        .review-card p.summary {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0 0 1rem;
            flex: 1;
        }
        .review-card .meta {
            font-size: 0.8rem;
            color: var(--gray-muted);
            margin-top: 0.5rem;
        }
        /* FAQ Accordion */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: var(--white);
            margin-bottom: 0.75rem;
            overflow: hidden;
        }
        .faq-question {
            padding: 1rem 1.5rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background var(--transition);
        }
        .faq-question:hover { background: var(--gray-light); }
        .faq-answer {
            padding: 0 1.5rem 1rem;
            color: var(--text-secondary);
            display: none;
            font-size: 0.95rem;
        }
        .faq-item.active .faq-answer { display: block; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }

/* roulang page: article */
:root {
            --color-primary: #1a56db;
            --color-primary-dark: #1040b0;
            --color-primary-light: #e8f0fe;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-accent-light: #fef3c7;
            --color-dark: #1e293b;
            --color-gray-muted: #94a3b8;
            --color-gray-soft: #f1f5f9;
            --color-gray-border: #e2e8f0;
            --color-surface: #ffffff;
            --color-surface-alt: #f8fafc;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 32px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.05);
            --shadow-btn: 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-btn-hover: 0 2px 8px rgba(26, 86, 219, 0.25);
            --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 250ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-dark);
            background-color: #fafbfc;
            overflow-x: hidden;
        }

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

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

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

        input {
            font-family: inherit;
        }

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

        /* ===== 导航栏 ===== */
        .navbar-glass {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
        }

        .nav-link {
            position: relative;
            font-weight: 500;
            color: #475569;
            padding: 0.375rem 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }

        .nav-link:hover {
            color: var(--color-primary);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            width: 100%;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: #f1f5f9;
            border: 1.5px solid transparent;
            border-radius: 2rem;
            padding: 0.5rem 1rem;
            transition: all var(--transition-fast);
            min-width: 180px;
        }

        .search-box:focus-within {
            background: #ffffff;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            width: 100%;
            color: var(--color-dark);
            font-size: 0.875rem;
        }

        .search-box input::placeholder {
            color: #94a3b8;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            border: none;
            border-radius: 2rem;
            cursor: pointer;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

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

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
            border: none;
            border-radius: 2rem;
            cursor: pointer;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
            transform: translateY(-1px);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            border: 2px solid var(--color-primary);
            border-radius: 2rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-outline:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-dark);
            color: var(--color-primary-dark);
        }

        .btn-outline:active {
            background: var(--color-primary);
            color: #ffffff;
        }

        /* ===== 移动端导航 ===== */
        .mobile-menu {
            display: none;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-gray-border);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            animation: slideDown 0.25s ease-out;
        }

        .mobile-menu.show {
            display: block;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-dark);
            font-size: 1.5rem;
            padding: 0.5rem;
            transition: color var(--transition-fast);
        }

        .mobile-nav-toggle:hover {
            color: var(--color-primary);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.375rem;
            font-size: 0.875rem;
            color: var(--color-gray-muted);
            padding: 0;
            margin: 0;
            list-style: none;
        }

        .breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
        }

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

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

        .breadcrumb .separator {
            color: #cbd5e1;
            font-size: 0.7rem;
        }

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

        /* ===== 文章排版 ===== */
        .article-prose {
            font-size: 1.0625rem;
            line-height: 1.85;
            color: #334155;
        }

        .article-prose h1,
        .article-prose h2,
        .article-prose h3,
        .article-prose h4 {
            color: var(--color-dark);
            font-weight: 700;
            margin-top: 2em;
            margin-bottom: 0.75em;
            line-height: 1.35;
        }

        .article-prose h2 {
            font-size: 1.625rem;
            border-left: 4px solid var(--color-primary);
            padding-left: 1rem;
        }

        .article-prose h3 {
            font-size: 1.3rem;
        }

        .article-prose p {
            margin-bottom: 1.25em;
        }

        .article-prose ul,
        .article-prose ol {
            margin-bottom: 1.25em;
            padding-left: 1.5em;
        }

        .article-prose li {
            margin-bottom: 0.5em;
        }

        .article-prose ul li::marker {
            color: var(--color-primary);
        }

        .article-prose blockquote {
            border-left: 4px solid var(--color-accent);
            background: #fffbeb;
            padding: 1rem 1.25rem;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: #92400e;
            font-style: italic;
        }

        .article-prose img {
            border-radius: var(--radius-lg);
            margin: 1.5em auto;
            box-shadow: var(--shadow-card);
        }

        .article-prose a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-thickness: 1px;
            transition: all var(--transition-fast);
        }

        .article-prose a:hover {
            color: var(--color-primary-dark);
            text-decoration-thickness: 2px;
        }

        .article-prose code {
            background: #f1f5f9;
            padding: 0.15em 0.45em;
            border-radius: 4px;
            font-size: 0.9em;
            color: #1e40af;
            font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
        }

        .article-prose pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 1.25rem;
            border-radius: var(--radius-lg);
            overflow-x: auto;
            margin: 1.5em 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .article-prose pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            font-size: inherit;
        }

        /* ===== 分类标签徽章 ===== */
        .badge-category {
            display: inline-flex;
            align-items: center;
            padding: 0.3rem 0.85rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .badge-category.accent {
            background: var(--color-accent-light);
            color: #92400e;
        }

        .badge-category.primary {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .badge-category:hover {
            transform: translateY(-1px);
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
        }

        /* ===== 文章元信息 ===== */
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            font-size: 0.9rem;
            color: var(--color-gray-muted);
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
        }

        .article-meta .meta-item i {
            font-size: 0.85rem;
        }

        /* ===== 分享按钮组 ===== */
        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            border: 1.5px solid var(--color-gray-border);
            background: #ffffff;
            color: #64748b;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .share-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-light);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(26, 86, 219, 0.15);
        }

        /* ===== 相关文章卡片 ===== */
        .related-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-gray-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #cbd5e1;
        }

        .related-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f1f5f9;
        }

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

        .related-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .related-card .card-body {
            padding: 1.125rem 1.25rem;
        }

        .related-card .card-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-dark);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .related-card:hover .card-title {
            color: var(--color-primary);
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1a3a6b 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(26, 86, 219, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* ===== 页脚 ===== */
        .footer-link {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

        .footer-link:hover {
            color: #ffffff;
        }

        /* ===== 标签组 ===== */
        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.3rem 0.75rem;
            background: #f1f5f9;
            color: #475569;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .tag-pill:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
            border-color: rgba(26, 86, 219, 0.25);
        }

        /* ===== 响应式设计 ===== */
        @media (max-width: 1024px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-nav-toggle {
                display: block !important;
            }
            .navbar-glass .max-w-7xl {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .article-prose {
                font-size: 1rem;
                line-height: 1.75;
            }
            .article-prose h2 {
                font-size: 1.4rem;
            }
            .article-prose h3 {
                font-size: 1.15rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }

        @media (max-width: 768px) {
            .article-hero-title {
                font-size: 1.5rem !important;
                line-height: 1.35 !important;
            }
            .article-meta {
                gap: 0.75rem;
                font-size: 0.8rem;
            }
            .article-prose {
                font-size: 0.95rem;
                line-height: 1.7;
            }
            .article-prose h2 {
                font-size: 1.25rem;
                padding-left: 0.75rem;
                border-left-width: 3px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .share-row {
                justify-content: center;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
            .cta-section .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-section .cta-inner .cta-buttons {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .navbar-glass .max-w-7xl {
                padding-left: 0.75rem;
                padding-right: 0.75rem;
            }
            .article-hero-title {
                font-size: 1.3rem !important;
                line-height: 1.3 !important;
            }
            .article-prose {
                font-size: 0.9rem;
                line-height: 1.65;
            }
            .article-prose h2 {
                font-size: 1.15rem;
            }
            .article-prose blockquote {
                padding: 0.75rem 1rem;
                margin: 1em 0;
            }
            .badge-category {
                font-size: 0.7rem;
                padding: 0.25rem 0.7rem;
            }
            .tag-pill {
                font-size: 0.7rem;
                padding: 0.25rem 0.6rem;
            }
            .related-card .card-body {
                padding: 0.875rem 1rem;
            }
            .related-card .card-title {
                font-size: 0.9rem;
            }
            .btn-primary,
            .btn-accent,
            .btn-outline {
                font-size: 0.85rem;
                padding: 0.6rem 1.25rem;
            }
        }