/* roulang page: index */
:root {
            --primary: #5B5FEF;
            --primary-dark: #4C51BF;
            --primary-light: #EEEDFF;
            --accent: #FF6B3D;
            --accent-hover: #E85D2C;
            --accent-light: #FFF0EB;
            --success: #10B981;
            --success-light: #ECFDF5;
            --warning: #F59E0B;
            --warning-light: #FFFBEB;
            --bg: #F7F8FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A2E;
            --bg-dark-secondary: #16213E;
            --text: #1A1A2E;
            --text-secondary: #6B7280;
            --text-light: #9CA3AF;
            --text-white: #F9FAFB;
            --border: #E5E7EB;
            --border-light: #F3F4F6;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.13), 0 8px 16px rgba(0,0,0,0.06);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.17), 0 12px 24px rgba(0,0,0,0.07);
            --shadow-nav: 0 4px 20px rgba(91,95,239,0.15), 0 2px 8px rgba(0,0,0,0.06);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ NAVIGATION - Floating Dock ============ */
        .nav-wrapper {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: auto;
            max-width: calc(100% - 40px);
        }

        .nav-dock {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(229,231,235,0.6);
            border-radius: var(--radius-full);
            padding: 6px 10px 6px 20px;
            box-shadow: var(--shadow-nav);
            white-space: nowrap;
            transition: all var(--transition);
        }

        .nav-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 7px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 8px;
        }

        .nav-links a {
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

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

        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(91,95,239,0.3);
        }

        .nav-cta {
            margin-left: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.925rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255,107,61,0.25);
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(255,107,61,0.35);
            transform: translateY(-1px);
        }

        .nav-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

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

        /* ============ HERO ============ */
        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26,26,46,0.72) 0%, rgba(26,26,46,0.55) 40%, rgba(26,26,46,0.78) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 2;
        }

        .hero .container {
            position: relative;
            z-index: 3;
        }

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-full);
            padding: 8px 18px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #fff;
            margin-bottom: 24px;
            animation: fadeInUp 0.6s ease-out;
        }

        .hero-badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.18;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            animation: fadeInUp 0.7s ease-out;
        }

        .hero h1 span {
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.85);
            line-height: 1.65;
            margin-bottom: 36px;
            max-width: 520px;
            animation: fadeInUp 0.8s ease-out;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            animation: fadeInUp 0.9s ease-out;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255,107,61,0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 28px rgba(255,107,61,0.45);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.3);
            color: #fff;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.25);
            border-color: rgba(255,255,255,0.5);
            transform: translateY(-2px);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 750;
            color: var(--text);
            letter-spacing: -0.015em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ============ FEATURES GRID ============ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, #7C3AED 100%);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            flex-shrink: 0;
        }

        .feature-icon.blue {
            background: #EEF2FF;
            color: #4F46E5;
        }
        .feature-icon.orange {
            background: #FFF7ED;
            color: #EA580C;
        }
        .feature-icon.green {
            background: #ECFDF5;
            color: #059669;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 650;
            margin-bottom: 10px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 0.925rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ============ CATEGORY CARDS ============ */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow);
            isolation: isolate;
        }

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

        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            transition: transform var(--transition-slow);
        }

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

        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26,26,46,0.2) 0%, rgba(26,26,46,0.7) 60%, rgba(26,26,46,0.88) 100%);
            z-index: 1;
        }

        .category-card-content {
            position: relative;
            z-index: 2;
            padding: 32px 28px;
            color: #fff;
            width: 100%;
        }

        .category-card-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            background: rgba(255,255,255,0.2);
            backdrop-filter: blur(4px);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .category-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .category-card p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.8);
            line-height: 1.5;
            margin-bottom: 16px;
        }

        .category-card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #FFD700;
            transition: gap var(--transition-fast);
        }

        .category-card:hover .category-card-arrow {
            gap: 10px;
        }

        /* ============ STATS ============ */
        .stats-section {
            background: var(--bg-dark);
            padding: 64px 0;
            color: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.7);
            font-weight: 500;
        }

        /* ============ CMS LIST ============ */
        .cms-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .cms-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .cms-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            background: var(--primary-light);
            color: var(--primary);
            width: fit-content;
            letter-spacing: 0.02em;
        }

        .cms-card h3 {
            font-size: 1.08rem;
            font-weight: 650;
            color: var(--text);
            line-height: 1.4;
            flex-grow: 1;
        }

        .cms-card h3 a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .cms-card h3 a:hover {
            color: var(--primary);
        }

        .cms-card-excerpt {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-card-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 8px;
            border-top: 1px solid var(--border-light);
        }

        .cms-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-secondary);
            font-size: 1rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
        }

        /* ============ ADVANTAGES ============ */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .advantage-card {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 30px 26px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .advantage-card:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
        }

        .advantage-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: var(--primary-light);
            color: var(--primary);
        }

        .advantage-info h4 {
            font-size: 1.05rem;
            font-weight: 650;
            margin-bottom: 6px;
            color: var(--text);
        }

        .advantage-info p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: #d1d5db;
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            color: var(--text);
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.925rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(91,95,239,0.08);
        }

        /* ============ CTA ============ */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(91,95,239,0.7) 100%);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 750;
            color: #fff;
            letter-spacing: -0.015em;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border-radius: var(--radius-full);
            font-weight: 650;
            font-size: 1.08rem;
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 28px rgba(0,0,0,0.2);
            transition: all var(--transition);
        }

        .btn-cta-large:hover {
            box-shadow: 0 12px 36px rgba(0,0,0,0.3);
            transform: translateY(-3px);
            color: var(--primary-dark);
        }

        /* ============ FOOTER ============ */
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 0.875rem;
            color: rgba(255,255,255,0.6);
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.6rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .cms-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                top: auto;
                bottom: 16px;
                left: 50%;
                transform: translateX(-50%);
                max-width: calc(100% - 24px);
            }
            .nav-dock {
                padding: 8px 10px;
                gap: 2px;
                border-radius: var(--radius-xl);
                justify-content: space-around;
                background: rgba(255,255,255,0.95);
            }
            .nav-logo {
                font-size: 0.85rem;
                gap: 4px;
            }
            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .nav-links a {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .hero {
                min-height: 560px;
                padding: 100px 0 60px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cms-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .container {
                padding: 0 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                justify-content: center;
                text-align: center;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .nav-dock {
                padding: 6px 8px;
                gap: 1px;
                border-radius: var(--radius-lg);
            }
            .nav-logo {
                font-size: 0.7rem;
                gap: 3px;
            }
            .nav-logo-icon {
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
            }
            .nav-links a {
                padding: 6px 8px;
                font-size: 0.7rem;
            }
            .nav-cta {
                padding: 6px 10px;
                font-size: 0.7rem;
            }
            .hero {
                min-height: 480px;
                padding: 80px 0 48px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .category-card {
                min-height: 220px;
            }
            .category-card h3 {
                font-size: 1.15rem;
            }
            .feature-card {
                padding: 24px 18px;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #4338CA;
            --color-primary-dark: #3730A3;
            --color-primary-light: #6366F1;
            --color-primary-bg: #EEF2FF;
            --color-accent: #F59E0B;
            --color-accent-light: #FEF3C7;
            --color-accent-dark: #D97706;
            --color-bg: #F8F9FC;
            --color-surface: #FFFFFF;
            --color-text: #1E1B4B;
            --color-text-secondary: #6B7280;
            --color-text-muted: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F3F4F6;
            --color-success: #10B981;
            --color-success-bg: #ECFDF5;
            --color-danger: #EF4444;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.09), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.11), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-dock: 0 8px 32px rgba(67, 56, 202, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --spacing-5xl: 100px;
            --max-width: 1200px;
            --nav-height: 56px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }

        /* ============ 基础 Reset/Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        /* ============ 导航（浮动 Dock） ============ */
        .nav-wrapper {
            position: sticky;
            top: 16px;
            z-index: 1000;
            padding: 0 var(--spacing-lg);
            pointer-events: none;
            display: flex;
            justify-content: center;
        }

        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(229, 231, 235, 0.6);
            border-radius: var(--radius-full);
            padding: 8px 14px 8px 18px;
            box-shadow: var(--shadow-dock);
            transition: all var(--transition-base);
            max-width: 700px;
            width: auto;
        }

        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            border-color: rgba(67, 56, 202, 0.15);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--color-primary);
            white-space: nowrap;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.85;
            color: var(--color-primary);
        }

        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

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

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

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

        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            white-space: nowrap;
            text-decoration: none;
            transition: all var(--transition-base);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
        }

        .nav-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.35);
        }

        /* 移动端导航 */
        @media (max-width: 768px) {
            .nav-wrapper {
                top: 8px;
                padding: 0 8px;
            }

            .nav-dock {
                gap: 6px;
                padding: 6px 10px 6px 14px;
                border-radius: var(--radius-xl);
                flex-wrap: nowrap;
                overflow-x: auto;
                justify-content: flex-start;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }

            .nav-dock::-webkit-scrollbar {
                display: none;
            }

            .nav-logo {
                font-size: 0.9rem;
                gap: 6px;
                flex-shrink: 0;
            }

            .nav-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
                border-radius: 7px;
            }

            .nav-links a {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .nav-cta {
                padding: 7px 14px;
                font-size: 0.78rem;
                flex-shrink: 0;
                white-space: nowrap;
            }
        }

        @media (max-width: 520px) {
            .nav-dock {
                gap: 2px;
                padding: 5px 6px 5px 10px;
                border-radius: var(--radius-lg);
            }

            .nav-logo span:not(.nav-logo-icon) {
                display: none;
            }

            .nav-links a {
                padding: 5px 10px;
                font-size: 0.75rem;
            }

            .nav-cta {
                padding: 6px 10px;
                font-size: 0.72rem;
                gap: 2px;
            }

            .nav-cta i {
                display: none;
            }
        }

        /* ============ 主内容区 ============ */
        .main-content {
            flex: 1;
        }

        /* ============ 分类 Banner ============ */
        .category-banner {
            position: relative;
            background: linear-gradient(135deg, #1E1B4B 0%, #312E81 40%, #4338CA 70%, #4F46E5 100%);
            background-image:
                linear-gradient(135deg, rgba(30, 27, 75, 0.92) 0%, rgba(49, 46, 129, 0.88) 40%, rgba(67, 56, 202, 0.82) 70%, rgba(79, 70, 229, 0.85) 100%),
                url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--spacing-5xl) 0 var(--spacing-4xl);
            margin-top: -72px;
            padding-top: 120px;
            position: relative;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.08);
            pointer-events: none;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(99, 102, 241, 0.12);
            pointer-events: none;
        }

        .banner-inner {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-full);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: var(--spacing-lg);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .banner-badge i {
            font-size: 0.7rem;
            color: var(--color-accent);
        }

        .category-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .category-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }

        .banner-stats {
            display: flex;
            justify-content: center;
            gap: var(--spacing-3xl);
            flex-wrap: wrap;
        }

        .banner-stat {
            text-align: center;
        }

        .banner-stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 4px;
        }

        .banner-stat-value span {
            color: var(--color-accent);
        }

        .banner-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 400;
        }

        @media (max-width: 768px) {
            .category-banner {
                padding-top: 100px;
                padding-bottom: var(--spacing-3xl);
                margin-top: -60px;
            }

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

            .category-banner .banner-subtitle {
                font-size: 1rem;
                padding: 0 var(--spacing-md);
            }

            .banner-stats {
                gap: var(--spacing-xl);
            }

            .banner-stat-value {
                font-size: 1.6rem;
            }

            .banner-stat-label {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .category-banner h1 {
                font-size: 1.6rem;
            }

            .banner-stats {
                gap: var(--spacing-lg);
            }

            .banner-stat-value {
                font-size: 1.3rem;
            }

            .banner-stat-label {
                font-size: 0.7rem;
            }
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: var(--spacing-5xl) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-2xl);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-bg);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 580px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-3xl) 0;
            }

            .section-title {
                font-size: 1.55rem;
            }

            .section-desc {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.35rem;
            }
        }

        /* ============ 攻略卡片网格 ============ */
        .guides-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-xl);
        }

        .guide-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(67, 56, 202, 0.12);
        }

        .guide-card-image {
            position: relative;
            height: 220px;
            overflow: hidden;
            background: #eef2ff;
        }

        .guide-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .guide-card:hover .guide-card-image img {
            transform: scale(1.04);
        }

        .guide-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-primary);
            box-shadow: var(--shadow-xs);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .guide-card-body {
            padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: var(--spacing-sm);
        }

        .guide-card-tag {
            font-size: 0.72rem;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 500;
            background: var(--color-primary-bg);
            color: var(--color-primary);
        }

        .guide-card-tag.hot {
            background: #FEF2F2;
            color: #DC2626;
        }

        .guide-card-tag.new {
            background: #ECFDF5;
            color: #059669;
        }

        .guide-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
            color: var(--color-text);
        }

        .guide-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: var(--spacing-md);
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--color-border-light);
        }

        .guide-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .guide-card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.85rem;
            transition: gap var(--transition-fast);
        }

        .guide-card:hover .guide-card-arrow {
            gap: 8px;
        }

        @media (max-width: 768px) {
            .guides-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .guide-card-image {
                height: 180px;
            }

            .guide-card-body {
                padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
            }

            .guide-card h3 {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 520px) {
            .guide-card-image {
                height: 160px;
            }
        }

        /* ============ 热门排行板块 ============ */
        .ranking-section {
            background: var(--color-surface);
        }

        .ranking-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg) var(--spacing-xl);
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-decoration: none;
            color: inherit;
        }

        .ranking-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(67, 56, 202, 0.12);
            transform: translateX(4px);
        }

        .ranking-position {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            background: var(--color-border-light);
            color: var(--color-text-secondary);
        }

        .ranking-item:nth-child(1) .ranking-position {
            background: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #fff;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
        }

        .ranking-item:nth-child(2) .ranking-position {
            background: linear-gradient(135deg, #94A3B8, #CBD5E1);
            color: #fff;
            box-shadow: 0 4px 12px rgba(148, 163, 184, 0.3);
        }

        .ranking-item:nth-child(3) .ranking-position {
            background: linear-gradient(135deg, #D97706, #F59E0B);
            color: #fff;
            box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
        }

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

        .ranking-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--color-text);
        }

        .ranking-info p {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-stat {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 768px) {
            .ranking-item {
                padding: var(--spacing-md) var(--spacing-lg);
                gap: var(--spacing-md);
            }

            .ranking-position {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .ranking-item {
                padding: var(--spacing-md);
                gap: var(--spacing-sm);
            }

            .ranking-stat {
                display: none;
            }
        }

        /* ============ 攻略分类标签云 ============ */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: var(--spacing-sm);
            max-width: 700px;
            margin: 0 auto;
        }

        .tag-pill {
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1.5px solid var(--color-border);
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            background: var(--color-surface);
            white-space: nowrap;
            text-decoration: none;
        }

        .tag-pill:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-bg);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .tag-pill.active-tag {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        @media (max-width: 520px) {
            .tag-pill {
                padding: 7px 14px;
                font-size: 0.78rem;
            }
        }

        /* ============ 精选专题 ============ */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .featured-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            height: 280px;
            background: #eef2ff;
            cursor: pointer;
            text-decoration: none;
            color: #fff;
            display: flex;
            align-items: flex-end;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

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

        .featured-card img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .featured-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--spacing-xl) var(--spacing-lg);
            background: linear-gradient(to top, rgba(30, 27, 75, 0.9) 0%, rgba(30, 27, 75, 0.5) 60%, transparent 100%);
            z-index: 1;
        }

        .featured-card-overlay h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .featured-card-overlay p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .featured-card {
                height: 240px;
            }
        }

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

            .featured-card {
                height: 200px;
            }
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--color-surface);
        }

        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .faq-item {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(67, 56, 202, 0.15);
        }

        .faq-question {
            padding: var(--spacing-lg) var(--spacing-xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-base);
            font-size: 0.75rem;
            color: var(--color-text-secondary);
        }

        .faq-item.open .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 var(--spacing-xl);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-xl) var(--spacing-lg);
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: var(--spacing-md) var(--spacing-lg);
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 var(--spacing-lg);
            }

            .faq-item.open .faq-answer {
                padding: 0 var(--spacing-lg) var(--spacing-md);
            }
        }

        /* ============ CTA 板块 ============ */
        .cta-section {
            background: linear-gradient(135deg, #1E1B4B 0%, #312E81 50%, #4338CA 100%);
            position: relative;
            overflow: hidden;
            padding: var(--spacing-5xl) 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.06);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(99, 102, 241, 0.1);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: var(--spacing-3xl) 0;
            }

            .cta-inner h2 {
                font-size: 1.55rem;
            }

            .cta-inner p {
                font-size: 0.95rem;
            }

            .btn {
                padding: 12px 22px;
                font-size: 0.85rem;
            }
        }

        /* ============ 页脚 ============ */
        .footer {
            background: #1A1738;
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-4xl) 0 var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-3xl);
            margin-bottom: var(--spacing-3xl);
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-md);
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

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

            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
        }

        /* ============ 面包屑 ============ */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            padding: var(--spacing-lg) 0;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--color-border);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        @media (max-width: 520px) {
            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px;
            }
        }

        /* ============ 分页 ============ */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-top: var(--spacing-2xl);
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            font-size: 0.88rem;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            background: var(--color-surface);
        }

        .pagination a:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-bg);
        }

        .pagination .active-page {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .pagination .dots {
            border: none;
            background: transparent;
            cursor: default;
            color: var(--color-text-muted);
        }

/* roulang page: article */
:root {
            --primary: #5B4CF0;
            --primary-dark: #4338CA;
            --primary-light: #EDEBFE;
            --accent: #F0A040;
            --accent-dark: #D4892A;
            --bg: #F8F7FC;
            --bg-alt: #F0EEF8;
            --surface: #FFFFFF;
            --text: #1E1B2E;
            --text-secondary: #6B6680;
            --text-muted: #9B96AD;
            --border: #E8E5F0;
            --border-light: #F2F0F7;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(30, 27, 46, 0.06);
            --shadow: 0 4px 20px rgba(30, 27, 46, 0.08);
            --shadow-lg: 0 12px 40px rgba(30, 27, 46, 0.12);
            --shadow-xl: 0 20px 60px rgba(30, 27, 46, 0.16);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1140px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        /* ---------- 导航 Dock ---------- */
        .nav-wrapper {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 20px;
            background: transparent;
            pointer-events: none;
        }
        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 10px 22px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(232, 229, 240, 0.7);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            transition: box-shadow var(--transition), background var(--transition);
        }
        .nav-dock:hover {
            box-shadow: var(--shadow-xl);
            background: rgba(255, 255, 255, 0.94);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            text-decoration: none;
            flex-shrink: 0;
            transition: opacity var(--transition);
        }
        .nav-logo:hover {
            opacity: 0.8;
            color: var(--text);
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), #7C6FF7);
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(91, 76, 240, 0.3);
        }
        .nav-links a.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 9px 18px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            text-decoration: none;
            flex-shrink: 0;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 2px 10px rgba(240, 160, 64, 0.3);
        }
        .nav-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 4px 18px rgba(240, 160, 64, 0.4);
            transform: translateY(-1px);
        }

        /* ---------- 容器 ---------- */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ---------- 面包屑 ---------- */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 20px 0 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
            font-size: 0.65rem;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            pointer-events: none;
        }

        /* ---------- 文章 Banner ---------- */
        .article-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin: 16px 0 0;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            box-shadow: var(--shadow-lg);
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 27, 46, 0.15) 0%, rgba(30, 27, 46, 0.65) 60%, rgba(30, 27, 46, 0.88) 100%);
            z-index: 1;
        }
        .article-banner-content {
            position: relative;
            z-index: 2;
            padding: 40px 36px 32px;
            color: #fff;
            width: 100%;
        }
        .article-banner .badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }
        .article-banner .badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.01em;
        }
        .badge-category {
            background: rgba(255, 255, 255, 0.22);
            backdrop-filter: blur(6px);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        .badge-time {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .article-banner h1 {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 0.005em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
            margin: 0;
        }
        .article-banner.not-found {
            min-height: 220px;
            align-items: center;
            text-align: center;
        }
        .article-banner.not-found .article-banner-content {
            text-align: center;
        }
        .article-banner.not-found h1 {
            font-size: 1.6rem;
        }

        /* ---------- 文章正文卡片 ---------- */
        .article-card {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 40px 44px;
            margin: -36px auto 0;
            position: relative;
            z-index: 3;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            max-width: 860px;
        }
        .cms-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .cms-content h2 {
            font-size: 1.45rem;
            font-weight: 700;
            margin: 1.8em 0 0.7em;
            color: var(--text);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
        }
        .cms-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.5em 0 0.6em;
            color: var(--text);
        }
        .cms-content p {
            margin: 0 0 1.2em;
        }
        .cms-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .cms-content ul, .cms-content ol {
            margin: 0 0 1.2em;
            padding-left: 1.6em;
        }
        .cms-content li {
            margin-bottom: 0.5em;
        }
        .cms-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 22px;
            margin: 1.5em 0;
            background: var(--primary-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--primary-dark);
            font-style: italic;
        }
        .cms-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .cms-content a:hover {
            color: var(--primary-dark);
        }
        .cms-content code {
            background: var(--bg-alt);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
        }
        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            padding-bottom: 20px;
            margin-bottom: 28px;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta-row .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-meta-row .meta-item i {
            font-size: 0.85rem;
        }
        .not-found-message {
            text-align: center;
            padding: 50px 30px;
        }
        .not-found-message .icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--bg-alt);
            color: var(--text-muted);
            font-size: 1.8rem;
            margin-bottom: 18px;
        }
        .not-found-message h2 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .not-found-message p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 24px;
            border-radius: 26px;
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(91, 76, 240, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 22px rgba(91, 76, 240, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(240, 160, 64, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 22px rgba(240, 160, 64, 0.4);
            transform: translateY(-2px);
        }

        /* ---------- 相关推荐 ---------- */
        .section {
            padding: 60px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .related-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            color: inherit;
        }
        .related-card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 18px 20px 20px;
        }
        .related-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
            line-height: 1.4;
        }
        .related-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body .card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .faq-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 28px;
            color: var(--text);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            background: var(--bg);
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--primary);
            font-size: 0.85rem;
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            background: var(--surface);
        }
        .faq-item.open .faq-question {
            background: var(--surface);
            color: var(--primary);
        }

        /* ---------- CTA ---------- */
        .cta-block {
            background: linear-gradient(135deg, #4A3BDB 0%, #6C5FF5 40%, #5B4CF0 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 1.55rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            font-size: 0.95rem;
            opacity: 0.9;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-block .btn {
            position: relative;
            z-index: 1;
        }

        /* ---------- 页脚 ---------- */
        .footer {
            background: var(--text);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            opacity: 0.75;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            margin-bottom: 8px;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            font-size: 0.8rem;
            text-align: center;
            opacity: 0.6;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .article-card {
                padding: 30px 28px;
                margin-top: -28px;
            }
            .article-banner h1 {
                font-size: 1.7rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .section {
                padding: 44px 0;
            }
            .faq-section {
                padding: 32px 24px;
            }
            .cta-block {
                padding: 36px 28px;
            }
            .cta-block h2 {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                padding: 8px 10px;
            }
            .nav-dock {
                padding: 8px 14px;
                gap: 10px;
                border-radius: var(--radius);
            }
            .nav-logo {
                font-size: 0.95rem;
                gap: 6px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .nav-links a {
                padding: 6px 11px;
                font-size: 0.8rem;
                border-radius: 20px;
            }
            .nav-cta {
                padding: 7px 14px;
                font-size: 0.78rem;
                border-radius: 20px;
            }
            .article-banner {
                min-height: 220px;
                border-radius: var(--radius-lg);
            }
            .article-banner-content {
                padding: 28px 20px 22px;
            }
            .article-banner h1 {
                font-size: 1.4rem;
            }
            .article-card {
                padding: 24px 18px;
                margin-top: -20px;
                border-radius: var(--radius-lg);
            }
            .cms-content {
                font-size: 0.95rem;
                line-height: 1.75;
            }
            .cms-content h2 {
                font-size: 1.25rem;
            }
            .cms-content h3 {
                font-size: 1.1rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .related-card-img {
                height: 140px;
            }
            .related-card-body {
                padding: 14px 16px 16px;
            }
            .related-card-body h3 {
                font-size: 0.9rem;
            }
            .section {
                padding: 34px 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .faq-section {
                padding: 26px 18px;
                border-radius: var(--radius-lg);
            }
            .faq-section h2 {
                font-size: 1.3rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.83rem;
            }
            .cta-block {
                padding: 30px 22px;
                border-radius: var(--radius-lg);
            }
            .cta-block h2 {
                font-size: 1.2rem;
            }
            .cta-block p {
                font-size: 0.88rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-grid > div:first-child {
                grid-column: 1 / -1;
            }
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 14px 0 4px;
            }
        }

        @media (max-width: 520px) {
            .nav-wrapper {
                padding: 6px 5px;
            }
            .nav-dock {
                padding: 7px 10px;
                gap: 5px;
                border-radius: 12px;
            }
            .nav-logo {
                font-size: 0.82rem;
                gap: 4px;
            }
            .nav-logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
                border-radius: 6px;
            }
            .nav-links a {
                padding: 5px 9px;
                font-size: 0.72rem;
                border-radius: 16px;
            }
            .nav-cta {
                padding: 6px 10px;
                font-size: 0.7rem;
                border-radius: 16px;
                gap: 3px;
            }
            .nav-cta i {
                font-size: 0.6rem !important;
            }
            .article-banner {
                min-height: 180px;
                border-radius: var(--radius);
            }
            .article-banner-content {
                padding: 22px 14px 16px;
            }
            .article-banner h1 {
                font-size: 1.15rem;
            }
            .article-banner .badge {
                font-size: 0.7rem;
                padding: 3px 10px;
            }
            .article-card {
                padding: 18px 14px;
                margin-top: -14px;
                border-radius: var(--radius);
            }
            .cms-content {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .cms-content h2 {
                font-size: 1.15rem;
            }
            .cms-content h3 {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .related-card-img {
                height: 160px;
            }
            .section {
                padding: 26px 0;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
            .section-header p {
                font-size: 0.85rem;
            }
            .faq-section {
                padding: 20px 14px;
                border-radius: var(--radius);
            }
            .faq-section h2 {
                font-size: 1.15rem;
                margin-bottom: 20px;
            }
            .faq-question {
                padding: 12px 14px;
                font-size: 0.82rem;
            }
            .faq-answer {
                padding: 0 14px 12px;
                font-size: 0.78rem;
            }
            .cta-block {
                padding: 24px 16px;
                border-radius: var(--radius);
            }
            .cta-block h2 {
                font-size: 1.1rem;
            }
            .cta-block p {
                font-size: 0.82rem;
            }
            .btn {
                padding: 9px 18px;
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer {
                padding: 34px 0 18px;
            }
            .footer-bottom {
                font-size: 0.72rem;
            }
            .article-meta-row {
                font-size: 0.78rem;
                gap: 8px;
                padding-bottom: 14px;
                margin-bottom: 20px;
            }
        }

        @media (max-width: 400px) {
            .nav-dock {
                padding: 6px 8px;
                gap: 3px;
                border-radius: 10px;
                flex-wrap: nowrap;
                overflow-x: auto;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 4px 7px;
                font-size: 0.68rem;
                border-radius: 14px;
            }
            .nav-cta {
                padding: 5px 8px;
                font-size: 0.65rem;
            }
            .nav-logo {
                font-size: 0.7rem;
            }
            .nav-logo-icon {
                width: 22px;
                height: 22px;
                font-size: 0.65rem;
            }
        }