/* roulang page: index */
:root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #e9e6fd;
            --secondary: #fdc029;
            --secondary-light: #fff5d6;
            --bg: #f7f8fc;
            --bg-dark: #0f1123;
            --text: #1a1f36;
            --text-muted: #6b7280;
            --border: #eceef5;
            --white: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 6px 24px rgba(34, 25, 88, 0.08);
            --shadow-lg: 0 12px 40px rgba(34, 25, 88, 0.14);
            --transition: all 0.3s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }
        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), #9b8cfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 10px 22px;
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .main-nav a.active {
            color: var(--white);
            background: linear-gradient(135deg, var(--primary), #8b7df7);
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), #8b7df7);
            box-shadow: 0 4px 18px rgba(108, 92, 231, 0.35);
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 92, 231, 0.45);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            background: var(--white);
            border: 2px solid var(--border);
            transition: var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.3rem;
            cursor: pointer;
            justify-content: center;
            align-items: center;
        }
        .hero-section {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, rgba(15, 17, 35, 0.82), rgba(76, 50, 145, 0.65)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -30%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.5), transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
            padding: 0 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 28px;
            color: #fff;
        }
        .hero-content h1 {
            font-size: clamp(2.4rem, 5vw, 4.2rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }
        .hero-content h1 span {
            background: linear-gradient(135deg, var(--secondary), #ffdf80);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
            padding: 16px 28px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            min-width: 140px;
        }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .section {
            padding: 90px 0;
        }
        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }
        .section-head .tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 100px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .section-head h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            padding: 40px 30px;
            border-radius: var(--radius);
            background: var(--white);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), #9b8cfa, var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 20px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .feature-card:nth-child(2) .feature-icon {
            background: var(--secondary-light);
            color: #d4940b;
        }
        .feature-card:nth-child(3) .feature-icon {
            background: #e2f7ea;
            color: #12a150;
        }
        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .category-section {
            background: linear-gradient(180deg, var(--bg), #fff);
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .category-card {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: flex-end;
            color: #fff;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover img {
            transform: scale(1.05);
        }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.75));
        }
        .category-card .content {
            position: relative;
            z-index: 2;
            padding: 32px;
            width: 100%;
        }
        .category-card .content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .category-card .content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }
        .category-card .content .btn-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 100px;
            background: var(--secondary);
            color: #1a1f36;
            font-weight: 700;
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .category-card .content .btn-card:hover {
            background: #fff;
            transform: translateX(4px);
        }
        .news-section {
            background: var(--white);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .article-card {
            background: var(--white);
            border-radius: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .article-card .thumb {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .article-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-card:hover .thumb img {
            transform: scale(1.05);
        }
        .article-card .thumb .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 700;
        }
        .article-card .body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--text);
            transition: var(--transition);
        }
        .article-card .body h3:hover {
            color: var(--primary);
        }
        .article-card .body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .body .meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .article-card .body .meta time {
            color: #9ca3af;
        }
        .empty-state {
            grid-column: 1/-1;
            text-align: center;
            padding: 60px 30px;
            background: var(--bg);
            border-radius: 20px;
            border: 2px dashed var(--border);
            color: var(--text-muted);
            font-size: 1.1rem;
        }
        .stats-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, var(--bg-dark), #1a1d3d);
            color: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-box {
            text-align: center;
            padding: 36px 20px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }
        .stat-box:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }
        .stat-box .icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 14px;
        }
        .stat-box .num {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .stat-box .label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        .process-section {
            background: var(--white);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 50px;
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            position: relative;
        }
        .process-step .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #9b8cfa);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.35);
        }
        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            color: var(--text-muted);
            font-size: 0.88rem;
        }
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 48px;
            right: -14px;
            width: 28px;
            height: 2px;
            background: var(--border);
            display: none;
        }
        @media (min-width: 900px) {
            .process-step:not(:last-child)::after {
                display: block;
                right: -10px;
            }
        }
        .faq-section {
            background: var(--bg);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.08);
        }
        .faq-item summary {
            padding: 22px 28px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.02rem;
            color: var(--text);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .fa {
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-item[open] summary .fa {
            transform: rotate(45deg);
        }
        .faq-item .answer {
            padding: 0 28px 22px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, rgba(15, 17, 35, 0.85), rgba(76, 50, 145, 0.7)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-brand .social {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        .footer-brand .social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-brand .social a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 6px 0;
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 6px;
        }
        .footer-bottom {
            padding-top: 24px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .article-content {
            background: var(--white);
            border-radius: 20px;
            border: 1px solid var(--border);
            padding: 40px;
            box-shadow: var(--shadow);
            line-height: 2;
        }
        .article-content h1 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--text);
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            margin-top: 32px;
            color: var(--text);
        }
        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 12px;
            margin-top: 24px;
            color: var(--text);
        }
        .article-content p {
            margin-bottom: 16px;
            color: #374151;
        }
        .article-content img {
            border-radius: 12px;
            margin: 24px 0;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 16px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-meta .badge {
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.82rem;
            font-weight: 700;
        }
        .breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            padding: 16px 0;
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .article-sidebar {
            background: var(--white);
            border-radius: 20px;
            border: 1px solid var(--border);
            padding: 28px;
            box-shadow: var(--shadow);
        }
        .article-sidebar h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
        }
        .article-sidebar ul {
            list-style: none;
        }
        .article-sidebar li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .article-sidebar li:last-child {
            border-bottom: none;
        }
        .article-sidebar li a {
            color: var(--text-muted);
            font-size: 0.92rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        .article-sidebar li a:hover {
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .site-header .container {
                height: 68px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                padding: 16px 24px;
                gap: 6px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-cta .btn-primary {
                display: none;
            }
            .hero-section {
                min-height: 520px;
                padding: 80px 0 60px;
            }
            .hero-stats {
                gap: 16px;
                margin-top: 40px;
            }
            .hero-stat {
                padding: 12px 18px;
                min-width: 110px;
            }
            .hero-stat .num {
                font-size: 1.5rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 1.7rem;
            }
            .article-content {
                padding: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .hero-buttons .btn-primary,
            .hero-buttons .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .stat-box {
                padding: 24px 16px;
            }
            .stat-box .num {
                font-size: 1.8rem;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
        }

:root {
            --primary: #6c5ce7; --primary-dark: #5a4bd1; --primary-light: #e9e6fd; --secondary: #fdc029; --secondary-light: #fff5d6;
            --bg: #f7f8fc; --bg-dark: #0f1123; --text: #1a1f36; --text-muted: #6b7280; --border: #eceef5; --white: #ffffff;
            --radius: 16px; --radius-sm: 10px; --shadow: 0 6px 24px rgba(34, 25, 88, 0.08); --shadow-lg: 0 12px 40px rgba(34, 25, 88, 0.14);
            --transition: all 0.3s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        img { max-width: 100%; display: block; }
        button, input { font-family: inherit; border: none; outline: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04); }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
        .logo { font-size: 1.6rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), #9b8cfa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .main-nav { display: flex; align-items: center; gap: 8px; }
        .main-nav a { padding: 10px 22px; border-radius: 100px; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); transition: var(--transition); }
        .main-nav a:hover { color: var(--primary); background: var(--primary-light); }
        .main-nav a.active { color: var(--white); background: linear-gradient(135deg, var(--primary), #8b7df7); box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35); }
        .nav-cta { display: flex; align-items: center; gap: 12px; }
        .btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 100px; font-weight: 700; font-size: 0.95rem; color: #fff; background: linear-gradient(135deg, var(--primary), #8b7df7); box-shadow: 0 4px 18px rgba(108, 92, 231, 0.35); transition: var(--transition); }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(108, 92, 231, 0.45); }
        .btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 100px; font-weight: 700; font-size: 0.95rem; color: var(--text); background: var(--white); border: 2px solid var(--border); transition: var(--transition); }
        .btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06); }
        .menu-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--primary-light); color: var(--primary); font-size: 1.3rem; cursor: pointer; justify-content: center; align-items: center; }
        .article-banner { position: relative; padding: 80px 0 60px; background: linear-gradient(135deg, rgba(15, 17, 35, 0.85), rgba(76, 50, 145, 0.7)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; color: #fff; }
        .article-banner .container { position: relative; z-index: 2; }
        .breadcrumb { display: flex; gap: 8px; align-items: center; padding: 8px 0 24px; font-size: 0.88rem; color: rgba(255, 255, 255, 0.7); }
        .breadcrumb a:hover { color: var(--secondary); }
        .breadcrumb .sep { opacity: 0.5; }
        .article-banner h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; max-width: 760px; line-height: 1.4; }
        .article-banner .meta { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; color: rgba(255, 255, 255, 0.8); font-size: 0.9rem; }
        .article-banner .badge { background: var(--secondary); color: #1a1f36; padding: 4px 16px; border-radius: 100px; font-size: 0.82rem; font-weight: 700; }
        .article-main { padding: 50px 0 80px; }
        .article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; }
        .article-content { background: var(--white); border-radius: 20px; border: 1px solid var(--border); padding: 44px; box-shadow: var(--shadow); line-height: 2; }
        .article-content p { margin-bottom: 16px; color: #374151; }
        .article-content img { border-radius: 12px; margin: 24px 0; }
        .article-content h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; margin-top: 32px; color: var(--text); }
        .article-content h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 12px; margin-top: 24px; color: var(--text); }
        .article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 16px; }
        .article-content blockquote { border-left: 4px solid var(--primary); background: var(--primary-light); padding: 16px 24px; border-radius: 0 12px 12px 0; margin: 20px 0; }
        .article-sidebar { display: flex; flex-direction: column; gap: 24px; }
        .article-sidebar .widget { background: var(--white); border-radius: 20px; border: 1px solid var(--border); padding: 28px; box-shadow: var(--shadow); }
        .article-sidebar h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--primary-light); }
        .article-sidebar ul { list-style: none; }
        .article-sidebar li { padding: 10px 0; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
        .article-sidebar li:last-child { border-bottom: none; }
        .article-sidebar li a { color: var(--text-muted); font-size: 0.92rem; transition: var(--transition); }
        .article-sidebar li a:hover { color: var(--primary); }
        .article-sidebar .widget .icon { color: var(--primary); font-size: 0.9rem; }
        .not-found { text-align: center; padding: 60px 30px; background: var(--white); border-radius: 20px; border: 2px dashed var(--border); box-shadow: var(--shadow); }
        .not-found .icon { font-size: 3rem; color: #c0c8d8; margin-bottom: 20px; }
        .not-found h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .not-found p { color: var(--text-muted); margin-bottom: 24px; }
        .cta-section { position: relative; padding: 70px 0; background: linear-gradient(135deg, rgba(15, 17, 35, 0.88), rgba(76, 50, 145, 0.72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; color: #fff; text-align: center; }
        .cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
        .cta-section p { color: rgba(255, 255, 255, 0.8); max-width: 600px; margin: 0 auto 28px; }
        .site-footer { background: var(--bg-dark); color: rgba(255, 255, 255, 0.7); padding: 70px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
        .footer-brand h3 { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.92rem; line-height: 1.8; max-width: 340px; }
        .footer-brand .social { display: flex; gap: 12px; margin-top: 20px; }
        .footer-brand .social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; transition: var(--transition); }
        .footer-brand .social a:hover { background: var(--primary); transform: translateY(-3px); }
        .footer-col h4 { color: #fff; font-size: 1.1rem; font-weight: 600; margin-bottom: 20px; }
        .footer-col a { display: block; color: rgba(255, 255, 255, 0.6); padding: 6px 0; font-size: 0.92rem; transition: var(--transition); }
        .footer-col a:hover { color: var(--secondary); padding-left: 6px; }
        .footer-bottom { padding-top: 24px; text-align: center; font-size: 0.82rem; color: rgba(255, 255, 255, 0.4); }
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { flex-direction: row; flex-wrap: wrap; }
            .article-sidebar .widget { flex: 1; min-width: 200px; }
        }
        @media (max-width: 768px) {
            .site-header .container { height: 68px; }
            .main-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); flex-direction: column; padding: 16px 24px; gap: 6px; }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; text-align: center; padding: 12px; }
            .menu-toggle { display: flex; }
            .nav-cta .btn-primary { display: none; }
            .article-banner { padding: 50px 0 40px; }
            .article-banner h1 { font-size: 1.6rem; }
            .article-content { padding: 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            .article-banner h1 { font-size: 1.4rem; }
            .article-banner .meta { gap: 12px; }
            .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
        }

:root {
            --primary: #6c5ce7; --primary-dark: #5a4bd1; --primary-light: #e9e6fd; --secondary: #fdc029; --secondary-light: #fff5d6;
            --bg: #f7f8fc; --bg-dark: #0f1123; --text: #1a1f36; --text-muted: #6b7280; --border: #eceef5; --white: #ffffff;
            --radius: 16px; --radius-sm: 10px; --shadow: 0 6px 24px rgba(34, 25, 88, 0.08); --shadow-lg: 0 12px 40px rgba(34, 25, 88, 0.14);
            --transition: all 0.3s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.75; font-size: 16px; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        img { max-width: 100%; display: block; }
        button, input { font-family: inherit; border: none; outline: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04); }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
        .logo { font-size: 1.6rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), #9b8cfa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .main-nav { display: flex; align-items: center; gap: 8px; }
        .main-nav a { padding: 10px 22px; border-radius: 100px; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); transition: var(--transition); }
        .main-nav a:hover { color: var(--primary); background: var(--primary-light); }
        .main-nav a.active { color: var(--white); background: linear-gradient(135deg, var(--primary), #8b7df7); box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35); }
        .nav-cta { display: flex; align-items: center; gap: 12px; }
        .btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 100px; font-weight: 700; font-size: 0.95rem; color: #fff; background: linear-gradient(135deg, var(--primary), #8b7df7); box-shadow: 0 4px 18px rgba(108, 92, 231, 0.35); transition: var(--transition); }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(108, 92, 231, 0.45); }
        .btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 100px; font-weight: 700; font-size: 0.95rem; color: var(--text); background: var(--white); border: 2px solid var(--border); transition: var(--transition); }
        .btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06); }
        .menu-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--primary-light); color: var(--primary); font-size: 1.3rem; cursor: pointer; justify-content: center; align-items: center; }
        .cat-banner { position: relative; padding: 80px 0 60px; background: linear-gradient(135deg, rgba(15, 17, 35, 0.86), rgba(76, 50, 145, 0.7)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; color: #fff; text-align: center; }
        .cat-banner .container { position: relative; z-index: 2; }
        .cat-banner h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 14px; }
        .cat-banner p { color: rgba(255, 255, 255, 0.82); max-width: 660px; margin: 0 auto; font-size: 1.05rem; }
        .section { padding: 80px 0; }
        .section-head { text-align: center; max-width: 700px; margin: 0 auto 50px; }
        .section-head .tag { display: inline-block; padding: 6px 18px; border-radius: 100px; background: var(--primary-light); color: var(--primary); font-size: 0.82rem; font-weight: 700; margin-bottom: 14px; }
        .section-head h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
        .section-head p { color: var(--text-muted); }
        .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .guide-card { background: var(--white); border-radius: 20px; border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; transition: var(--transition); }
        .guide-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .guide-card img { height: 180px; width: 100%; object-fit: cover; }
        .guide-card .body { padding: 28px; }
        .guide-card .body .icon { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; background: var(--primary-light); color: var(--primary); font-size: 1.2rem; margin-bottom: 16px; }
        .guide-card .body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
        .guide-card .body p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }
        .guide-steps { background: linear-gradient(180deg, var(--bg), #fff); }
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 50px; }
        .step-box { text-align: center; padding: 36px 24px; background: var(--white); border-radius: 20px; border: 1px solid var(--border); box-shadow: var(--shadow); position: relative; transition: var(--transition); }
        .step-box:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
        .step-box .num { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #9b8cfa); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 800; box-shadow: 0 6px 18px rgba(108, 92, 231, 0.3); }
        .step-box h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
        .step-box p { color: var(--text-muted); font-size: 0.88rem; }
        .faq-section { background: var(--white); }
        .faq-list { max-width: 860px; margin: 0 auto; }
        .faq-item { background: var(--bg); border-radius: 16px; border: 1px solid var(--border); margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--primary-light); box-shadow: 0 6px 20px rgba(108, 92, 231, 0.08); }
        .faq-item summary { padding: 22px 28px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 1.02rem; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary .fa { color: var(--primary); transition: transform 0.3s ease; }
        .faq-item[open] summary .fa { transform: rotate(45deg); }
        .faq-item .answer { padding: 0 28px 22px; color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; }
        .cta-section { position: relative; padding: 80px 0; background: linear-gradient(135deg, rgba(15, 17, 35, 0.85), rgba(76, 50, 145, 0.7)), url('/assets/images/backpic/back-3.png') center/cover no-repeat; color: #fff; text-align: center; }
        .cta-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 14px; }
        .cta-section p { color: rgba(255, 255, 255, 0.8); max-width: 600px; margin: 0 auto 30px; }
        .site-footer { background: var(--bg-dark); color: rgba(255, 255, 255, 0.7); padding: 70px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
        .footer-brand h3 { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.92rem; line-height: 1.8; max-width: 340px; }
        .footer-brand .social { display: flex; gap: 12px; margin-top: 20px; }
        .footer-brand .social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; transition: var(--transition); }
        .footer-brand .social a:hover { background: var(--primary); transform: translateY(-3px); }
        .footer-col h4 { color: #fff; font-size: 1.1rem; font-weight: 600; margin-bottom: 20px; }
        .footer-col a { display: block; color: rgba(255, 255, 255, 0.6); padding: 6px 0; font-size: 0.92rem; transition: var(--transition); }
        .footer-col a:hover { color: var(--secondary); padding-left: 6px; }
        .footer-bottom { padding-top: 24px; text-align: center; font-size: 0.82rem; color: rgba(255, 255, 255, 0.4); }
        @media (max-width: 1024px) {
            .guide-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .site-header .container { height: 68px; }
            .main-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); flex-direction: column; padding: 16px 24px; gap: 6px; }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; text-align: center; padding: 12px; }
            .menu-toggle { display: flex; }
            .nav-cta .btn-primary { display: none; }
            .cat-banner { padding: 55px 0 45px; }
            .cat-banner h1 { font-size: 1.8rem; }
            .guide-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .section { padding: 60px 0; }
            .container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            .cat-banner h1 { font-size: 1.5rem; }
            .step-box { padding: 28px 18px; }
            .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
        }

:root {
            --primary: #6c5ce7; --primary-dark: #5a4bd1; --primary-light: #e9e6fd; --secondary: #fdc029; --secondary-light: #fff5d6;
            --bg: #f7f8fc; --bg-dark: #0f1123; --text: #1a1f36; --text-muted: #6b7280; --border: #eceef5; --white: #ffffff;
            --radius: 16px; --radius-sm: 10px; --shadow: 0 6px 24px rgba(34, 25, 88, 0.08); --shadow-lg: 0 12px 40px rgba(34, 25, 88, 0.14);
            --transition: all 0.3s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.75; font-size: 16px; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        img { max-width: 100%; display: block; }
        button, input { font-family: inherit; border: none; outline: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04); }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
        .logo { font-size: 1.6rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), #9b8cfa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .main-nav { display: flex; align-items: center; gap: 8px; }
        .main-nav a { padding: 10px 22px; border-radius: 100px; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); transition: var(--transition); }
        .main-nav a:hover { color: var(--primary); background: var(--primary-light); }
        .main-nav a.active { color: var(--white); background: linear-gradient(135deg, var(--primary), #8b7df7); box-shadow: 0 4px 14px rgba(108, 92, 231, 0.35); }
        .nav-cta { display: flex; align-items: center; gap: 12px; }
        .btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 100px; font-weight: 700; font-size: 0.95rem; color: #fff; background: linear-gradient(135deg, var(--primary), #8b7df7); box-shadow: 0 4px 18px rgba(108, 92, 231, 0.35); transition: var(--transition); }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(108, 92, 231, 0.45); }
        .btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 100px; font-weight: 700; font-size: 0.95rem; color: var(--text); background: var(--white); border: 2px solid var(--border); transition: var(--transition); }
        .btn-secondary:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06); }
        .menu-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--primary-light); color: var(--primary); font-size: 1.3rem; cursor: pointer; justify-content: center; align-items: center; }
        .cat-banner { position: relative; padding: 80px 0 60px; background: linear-gradient(135deg, rgba(15, 17, 35, 0.85), rgba(140, 78, 46, 0.55)), url('/assets/images/backpic/back-3.png') center/cover no-repeat; color: #fff; text-align: center; }
        .cat-banner .container { position: relative; z-index: 2; }
        .cat-banner h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 14px; }
        .cat-banner p { color: rgba(255, 255, 255, 0.82); max-width: 660px; margin: 0 auto; font-size: 1.05rem; }
        .section { padding: 80px 0; }
        .section-head { text-align: center; max-width: 700px; margin: 0 auto 50px; }
        .section-head .tag { display: inline-block; padding: 6px 18px; border-radius: 100px; background: var(--secondary-light); color: #d4940b; font-size: 0.82rem; font-weight: 700; margin-bottom: 14px; }
        .section-head h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
        .section-head p { color: var(--text-muted); }
        .event-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
        .event-card { background: var(--white); border-radius: 20px; border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; transition: var(--transition); }
        .event-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .event-card .thumb { position: relative; height: 220px; overflow: hidden; }
        .event-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .event-card:hover .thumb img { transform: scale(1.05); }
        .event-card .thumb .hot-tag { position: absolute; top: 14px; left: 14px; background: linear-gradient(135deg, #ff6b6b, #f03e3e); color: #fff; padding: 5px 16px; border-radius: 100px; font-size: 0.78rem; font-weight: 700; box-shadow: 0 4px 12px rgba(240, 62, 62, 0.4); }
        .event-card .thumb .date-tag { position: absolute; bottom: 14px; right: 14px; background: rgba(0, 0, 0, 0.55); backdrop-filter: blur(6px); color: #fff; padding: 4px 14px; border-radius: 100px; font-size: 0.78rem; font-weight: 600; }
        .event-card .body { padding: 28px; }
        .event-card .body h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; transition: var(--transition); }
        .event-card .body h3:hover { color: var(--primary); }
        .event-card .body p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; margin-bottom: 16px; }
        .event-card .body .reward { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 100px; background: var(--secondary-light); color: #b8860b; font-size: 0.82rem; font-weight: 600; }
        .process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 50px; }
        .p-step { text-align: center; padding: 30px 20px; background: var(--white); border-radius: 20px; border: 1px solid var(--border); box-shadow: var(--shadow); transition: var(--transition); }
        .p-step:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
        .p-step .icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 16px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--secondary), #ffd45e); color: #1a1f36; font-size: 1.5rem; box-shadow: 0 6px 18px rgba(243, 156, 18, 0.3); }
        .p-step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
        .p-step p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; }
        .faq-section { background: var(--white); }
        .faq-list { max-width: 860px; margin: 0 auto; }
        .faq-item { background: var(--bg); border-radius: 16px; border: 1px solid var(--border); margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--secondary); box-shadow: 0 6px 20px rgba(243, 156, 18, 0.1); }
        .faq-item summary { padding: 22px 28px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; font-size: 1.02rem; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary .fa { color: var(--secondary); transition: transform 0.3s ease; }
        .faq-item[open] summary .fa { transform: rotate(45deg); }
        .faq-item .answer { padding: 0 28px 22px; color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; }
        .cta-section { position: relative; padding: 80px 0; background: linear-gradient(135deg, rgba(15, 17, 35, 0.88), rgba(140, 78, 46, 0.6)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; color: #fff; text-align: center; }
        .cta-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 14px; }
        .cta-section p { color: rgba(255, 255, 255, 0.8); max-width: 600px; margin: 0 auto 30px; }
        .site-footer { background: var(--bg-dark); color: rgba(255, 255, 255, 0.7); padding: 70px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
        .footer-brand h3 { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.92rem; line-height: 1.8; max-width: 340px; }
        .footer-brand .social { display: flex; gap: 12px; margin-top: 20px; }
        .footer-brand .social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; transition: var(--transition); }
        .footer-brand .social a:hover { background: var(--primary); transform: translateY(-3px); }
        .footer-col h4 { color: #fff; font-size: 1.1rem; font-weight: 600; margin-bottom: 20px; }
        .footer-col a { display: block; color: rgba(255, 255, 255, 0.6); padding: 6px 0; font-size: 0.92rem; transition: var(--transition); }
        .footer-col a:hover { color: var(--secondary); padding-left: 6px; }
        .footer-bottom { padding-top: 24px; text-align: center; font-size: 0.82rem; color: rgba(255, 255, 255, 0.4); }
        @media (max-width: 1024px) {
            .event-grid { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .site-header .container { height: 68px; }
            .main-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); flex-direction: column; padding: 16px 24px; gap: 6px; }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; text-align: center; padding: 12px; }
            .menu-toggle { display: flex; }
            .nav-cta .btn-primary { display: none; }
            .cat-banner { padding: 55px 0 45px; }
            .cat-banner h1 { font-size: 1.8rem; }
            .event-card .thumb { height: 190px; }
            .process-steps { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .section { padding: 60px 0; }
            .container { padding: 0 16px; }
        }
        @media (max-width: 520px) {
            .cat-banner h1 { font-size: 1.5rem; }
            .event-card .body { padding: 20px; }
            .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --brand-50: #f0f0ff;
            --brand-100: #e3e0ff;
            --brand-200: #c6bfff;
            --brand-300: #a89bfa;
            --brand-400: #8a7af0;
            --brand-500: #6d5ef5;
            --brand-600: #5a45e0;
            --brand-700: #4a37c0;
            --brand-800: #3d2d9c;
            --brand-900: #2f2378;
            --gold-300: #fbd971;
            --gold-400: #f7c952;
            --gold-500: #f0b429;
            --gold-600: #d99a1b;
            --ink: #1f2430;
            --ink-light: #5f6472;
            --ink-muted: #8f95a3;
            --bg-body: #f7f8fc;
            --bg-card: #ffffff;
            --border: #e4e7ef;
            --gradient-primary: linear-gradient(135deg, #6d5ef5, #4a37c0);
            --gradient-gold: linear-gradient(135deg, #fbd971, #f0b429);
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 14px rgba(30, 34, 50, 0.06);
            --shadow-md: 0 12px 30px rgba(30, 34, 50, 0.10);
            --shadow-lg: 0 24px 48px rgba(30, 34, 50, 0.15);
            --transition: all 0.3s ease;
            --space-section: 100px;
            --space-section-sm: 64px;
        }

        /* ========== Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-body);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }

        /* ========== 容器与区块 ========== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 58px;
        }
        .section-tag {
            display: inline-block;
            background: var(--brand-50);
            color: var(--brand-700);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.5px;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--ink);
        }
        .section-head p {
            font-size: 16px;
            color: var(--ink-light);
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 999px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            box-shadow: 0 8px 22px rgba(90, 69, 224, 0.32);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(90, 69, 224, 0.42);
        }
        .btn-light {
            background: #fff;
            color: #352b8c;
            border-color: #fff;
        }
        .btn-light:hover {
            background: rgba(255, 255, 255, 0.88);
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(0, 0, 0, 0.15);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.65);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-gold {
            background: var(--gradient-gold);
            color: #352b4a;
            box-shadow: 0 10px 24px rgba(240, 180, 41, 0.35);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 34px rgba(240, 180, 41, 0.45);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 38px;
            font-size: 17px;
        }

        /* ========== Header & Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 78px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 900;
            letter-spacing: 0.5px;
            color: var(--brand-700);
            flex-shrink: 0;
        }
        .logo i {
            color: var(--gold-500);
            font-size: 26px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--brand-600);
            background: var(--brand-50);
        }
        .main-nav a.active {
            background: var(--gradient-primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(90, 69, 224, 0.35);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-cta {
            padding: 10px 22px !important;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 14px;
            background: #fff;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--brand-300);
            color: var(--brand-600);
        }

        /* ========== 页面 Banner ========== */
        .page-banner {
            position: relative;
            padding: 120px 0;
            background-size: cover;
            background-position: center;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 22, 75, 0.90), rgba(80, 58, 190, 0.65), rgba(240, 180, 41, 0.30));
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            margin-bottom: 26px;
            color: rgba(255, 255, 255, 0.8);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }
        .breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .breadcrumb .sep {
            opacity: 0.5;
        }
        .breadcrumb .current {
            color: var(--gold-300);
            font-weight: 600;
        }
        .banner-content h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: 1px;
            margin-bottom: 18px;
            text-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
        }
        .banner-content p {
            font-size: 18px;
            max-width: 740px;
            margin: 0 auto 38px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.92);
        }
        .banner-actions {
            display: flex;
            gap: 18px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 分类说明卡片 ========== */
        .overview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .overview-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 42px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .overview-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .overview-card i {
            font-size: 32px;
            color: var(--brand-600);
            background: var(--brand-50);
            width: 80px;
            height: 80px;
            border-radius: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            transition: var(--transition);
        }
        .overview-card:hover i {
            background: var(--brand-600);
            color: #fff;
        }
        .overview-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .overview-card p {
            color: var(--ink-light);
            font-size: 15px;
            line-height: 1.75;
        }

        /* ========== 功能指南卡片 ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .guide-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .card-img {
            position: relative;
            overflow: hidden;
        }
        .card-img img {
            width: 100%;
            height: 215px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            padding: 5px 16px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            color: var(--brand-700);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.10);
            border: 1px solid rgba(136, 122, 250, 0.20);
        }
        .card-body {
            padding: 26px;
        }
        .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-body p {
            font-size: 14px;
            color: var(--ink-light);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-600);
            transition: gap 0.3s ease;
        }
        .card-link i {
            transition: transform 0.3s ease;
        }
        .card-link:hover i {
            transform: translateX(5px);
        }

        /* ========== 流程步骤 ========== */
        .steps-section {
            background: linear-gradient(180deg, #f7f8fc 0%, #f0effd 100%);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
        }
        .step-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 24px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            position: relative;
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            position: absolute;
            top: 18px;
            right: 22px;
            font-size: 44px;
            font-weight: 900;
            color: var(--brand-100);
            line-height: 1;
            z-index: 0;
        }
        .step-item i {
            font-size: 28px;
            color: var(--gold-500);
            background: #fff9e8;
            width: 68px;
            height: 68px;
            border-radius: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            transition: var(--transition);
        }
        .step-item:hover i {
            background: var(--gold-500);
            color: #fff;
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--ink-light);
            line-height: 1.7;
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            background: linear-gradient(135deg, #1f1845, #352b7a, #2a2260);
            position: relative;
            overflow: hidden;
            padding: 90px 0;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("/assets/images/backpic/back-2.png");
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            position: relative;
        }
        .stat-item {
            text-align: center;
        }
        .stat-num {
            display: block;
            font-size: 48px;
            font-weight: 900;
            letter-spacing: 1px;
            color: var(--gold-400);
            line-height: 1.2;
        }
        .stat-label {
            display: inline-block;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 10px;
            letter-spacing: 1px;
        }

        /* ========== 内容列表 ========== */
        .guide-list {
            max-width: 980px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .guide-list-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 26px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            gap: 24px;
        }
        .guide-list-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-md);
            border-color: var(--brand-200);
        }
        .list-item-main {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            min-width: 0;
        }
        .list-item-tag {
            flex-shrink: 0;
            background: var(--brand-50);
            color: var(--brand-700);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-top: 4px;
            white-space: nowrap;
        }
        .list-item-content {
            min-width: 0;
        }
        .list-item-content h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .list-item-content p {
            font-size: 14px;
            color: var(--ink-light);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .list-item-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            color: var(--ink-muted);
            font-size: 13px;
            flex-shrink: 0;
        }
        .list-arrow {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-50);
            color: var(--brand-600);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .guide-list-item:hover .list-arrow {
            background: var(--brand-600);
            color: #fff;
            transform: translateX(3px);
        }

        /* ========== FAQ ========== */
        .faq-grid {
            max-width: 940px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 22px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--brand-200);
        }
        .faq-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
        }
        .faq-item h3 i {
            color: var(--gold-500);
            flex-shrink: 0;
            margin-top: 3px;
        }
        .faq-item p {
            font-size: 14px;
            color: var(--ink-light);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 40px 0 var(--space-section);
        }
        .cta-box {
            background: linear-gradient(135deg, var(--brand-800), var(--brand-600), #7b5bd6);
            border-radius: var(--radius-xl);
            padding: 72px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 70%);
        }
        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -42%;
            left: -18%;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(240, 180, 41, 0.28), transparent 70%);
        }
        .cta-box h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 17px;
            opacity: 0.92;
            margin-bottom: 34px;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #1d1b2f;
            color: rgba(255, 255, 255, 0.85);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }
        .footer-brand h3 i {
            color: var(--gold-500);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.65);
            max-width: 380px;
            margin-bottom: 22px;
        }
        .social {
            display: flex;
            gap: 12px;
        }
        .social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            transition: var(--transition);
        }
        .social a:hover {
            background: var(--brand-600);
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 7px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--gold-400);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .faq-grid {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                margin: 0;
                padding: 18px 24px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border);
                transform: translateY(-130%);
                transition: transform 0.35s ease;
                display: flex;
                gap: 6px;
                border-radius: 0 0 20px 20px;
                z-index: 99;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav a {
                display: block;
                padding: 14px 20px;
                text-align: center;
                justify-content: center;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-inner {
                height: 64px;
            }
            .page-banner {
                padding: 100px 0;
            }
            .banner-content h1 {
                font-size: 42px;
            }
            .overview-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-section-sm) 0;
            }
            .section-head h2 {
                font-size: 30px;
            }
            .overview-grid {
                grid-template-columns: 1fr;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .banner-content h1 {
                font-size: 34px;
            }
            .banner-content p {
                font-size: 16px;
            }
            .guide-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                padding: 22px;
            }
            .list-item-meta {
                width: 100%;
                justify-content: space-between;
            }
            .list-item-content p {
                white-space: normal;
            }
            .cta-box {
                padding: 52px 28px;
            }
            .cta-box h2 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .nav-cta {
                display: none !important;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .page-banner {
                padding: 80px 0;
            }
            .banner-content h1 {
                font-size: 30px;
            }
            .banner-content p {
                font-size: 15px;
            }
            .banner-actions {
                flex-direction: column;
                width: 100%;
            }
            .banner-actions .btn {
                width: 100%;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .stats-num {
                font-size: 32px;
            }
            .stat-num {
                font-size: 36px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .overview-card {
                padding: 32px 22px;
            }
            .step-item {
                padding: 28px 18px;
            }
            .cta-box {
                padding: 42px 20px;
                border-radius: 26px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .list-item-main {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
        --primary: #0F1E3D;
        --primary-light: #1B3160;
        --primary-lighter: #24407A;
        --accent: #D4B651;
        --accent-light: #E6CE7B;
        --accent-dark: #B4932F;
        --bg: #F5F7FC;
        --bg-alt: #E9EDF5;
        --surface: #FFFFFF;
        --text: #1B2434;
        --muted: #6B7688;
        --border: #E1E6F0;
        --radius: 20px;
        --radius-sm: 12px;
        --shadow-sm: 0 6px 20px rgba(15, 30, 61, .06);
        --shadow-md: 0 12px 36px rgba(15, 30, 61, .10);
        --shadow-lg: 0 28px 60px rgba(15, 30, 61, .15);
        --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

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

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

    a {
        text-decoration: none;
        color: inherit;
        transition: color .25s, background .25s, transform .25s, box-shadow .25s;
    }

    ul,
    ol {
        list-style: none;
    }

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

    a:focus-visible,
    button:focus-visible {
        outline: 3px solid rgba(212, 182, 81, .45);
        outline-offset: 2px;
    }

    .container {
        max-width: 1140px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ===== Header / 导航 ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255, 255, 255, .88);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(225, 230, 240, .8);
        box-shadow: 0 2px 12px rgba(15, 30, 61, .03);
    }

    .header-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 76px;
        gap: 16px;
    }

    .logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 24px;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: .5px;
        white-space: nowrap;
        line-height: 1;
    }

    .logo i {
        color: var(--accent);
        font-size: 26px;
        filter: drop-shadow(0 2px 6px rgba(212, 182, 81, .45));
    }

    .logo:hover i {
        transform: scale(1.08);
    }

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

    .main-nav a {
        display: inline-flex;
        align-items: center;
        padding: 9px 18px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        color: #555f74;
        transition: all .25s;
        white-space: nowrap;
    }

    .main-nav a:hover {
        background: rgba(15, 30, 61, .06);
        color: var(--primary);
    }

    .main-nav a.active {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 6px 16px rgba(15, 30, 61, .22);
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .nav-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border-radius: 12px;
        border: 1px solid var(--border);
        background: var(--surface);
        color: var(--primary);
        font-size: 18px;
        align-items: center;
        justify-content: center;
        transition: background .25s, color .25s;
    }

    .nav-toggle:hover {
        background: rgba(15, 30, 61, .06);
    }

    /* ===== 按钮 ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        justify-content: center;
        border-radius: 999px;
        font-weight: 600;
        font-size: 15px;
        padding: 12px 26px;
        border: 1px solid transparent;
        transition: all .3s;
        line-height: 1.4;
    }

    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 10px 24px rgba(15, 30, 61, .18);
    }

    .btn-primary:hover {
        background: var(--primary-light);
        transform: translateY(-2px);
        box-shadow: 0 16px 34px rgba(15, 30, 61, .24);
    }

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

    .btn-outline:hover {
        background: rgba(15, 30, 61, .05);
        border-color: var(--primary);
        transform: translateY(-2px);
    }

    .btn-gold {
        background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 55%, var(--accent-dark) 100%);
        color: #1c1c1c;
        box-shadow: 0 10px 24px rgba(180, 147, 47, .28);
    }

    .btn-gold:hover {
        transform: translateY(-2px);
        box-shadow: 0 16px 34px rgba(180, 147, 47, .36);
        color: #000;
    }

    .btn-outline-light {
        background: rgba(255, 255, 255, .06);
        border-color: rgba(255, 255, 255, .35);
        color: #fff;
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, .16);
        border-color: #fff;
        color: #fff;
        transform: translateY(-2px);
    }

    .btn-header {
        padding: 9px 20px;
        font-size: 14px;
    }

    .btn-block {
        width: 100%;
    }

    /* ===== Hero ===== */
    .article-hero {
        position: relative;
        background-size: cover;
        background-position: center;
        padding: 90px 0 64px;
        overflow: hidden;
    }

    .article-hero .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(11, 22, 48, .90) 0%, rgba(18, 35, 72, .76) 100%);
        z-index: 1;
    }

    .article-hero-inner {
        position: relative;
        z-index: 2;
        max-width: 900px;
        margin: 0 auto;
        text-align: center;
        color: #fff;
    }

    .breadcrumb {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
        font-size: 14px;
        color: rgba(255, 255, 255, .65);
        margin-bottom: 20px;
    }

    .breadcrumb a {
        color: rgba(255, 255, 255, .85);
    }

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

    .breadcrumb i {
        font-size: 12px;
        align-self: center;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(212, 182, 81, .16);
        border: 1px solid rgba(212, 182, 81, .45);
        color: var(--accent-light);
        border-radius: 999px;
        padding: 6px 16px;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 20px;
        backdrop-filter: blur(4px);
    }

    .article-hero h1 {
        font-size: 40px;
        font-weight: 800;
        line-height: 1.35;
        margin-bottom: 22px;
        text-shadow: 0 6px 30px rgba(0, 0, 0, .25);
        word-break: break-word;
    }

    .hero-meta {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 14px;
        font-size: 14px;
        color: rgba(255, 255, 255, .78);
    }

    .hero-meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    /* ===== 文章布局 ===== */
    .article-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 32px;
        padding: 48px 0 80px;
        align-items: start;
    }

    .article-main {
        background: #fff;
        border-radius: var(--radius);
        box-shadow: var(--shadow-md);
        padding: 40px 48px;
        border: 1px solid rgba(225, 230, 240, .7);
        overflow: hidden;
        min-width: 0;
    }

    /* 文章排版 */
    .article-content {
        font-size: 16px;
        line-height: 1.9;
        color: #2c3546;
        word-break: break-word;
    }

    .article-content p {
        margin-bottom: 1.2em;
    }

    .article-content h2 {
        font-size: 25px;
        font-weight: 800;
        color: var(--primary);
        margin: 1.8em 0 .6em;
        line-height: 1.45;
        position: relative;
        padding-left: 18px;
    }

    .article-content h2::before {
        content: '';
        position: absolute;
        left: 0;
        top: 6px;
        bottom: 6px;
        width: 4px;
        border-radius: 4px;
        background: linear-gradient(180deg, var(--accent-light), var(--accent-dark));
    }

    .article-content h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--primary);
        margin: 1.6em 0 .5em;
        line-height: 1.5;
    }

    .article-content img {
        border-radius: var(--radius-sm);
        margin: 1.5em 0;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
    }

    .article-content ul {
        margin-bottom: 1.2em;
    }

    .article-content ul li {
        position: relative;
        padding-left: 26px;
        margin-bottom: 8px;
    }

    .article-content ul li::before {
        content: '';
        position: absolute;
        left: 6px;
        top: 12px;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 0 3px rgba(212, 182, 81, .2);
    }

    .article-content ol {
        margin-bottom: 1.2em;
        padding-left: 1.4em;
        list-style: decimal;
    }

    .article-content ol li {
        margin-bottom: 8px;
    }

    .article-content blockquote {
        border-left: 4px solid var(--accent);
        background: #FBF9EF;
        padding: 16px 22px;
        border-radius: 0 12px 12px 0;
        margin: 1.5em 0;
        color: #6B6A55;
    }

    .article-content a {
        color: var(--accent-dark);
        text-decoration: underline;
        text-underline-offset: 3px;
    }

    /* 标签 */
    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 32px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
    }

    .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(15, 30, 61, .06);
        color: var(--primary);
        border-radius: 999px;
        font-size: 13px;
        font-weight: 600;
        padding: 6px 14px;
        transition: background .25s;
    }

    .tag:hover {
        background: rgba(15, 30, 61, .12);
    }

    /* 分享 */
    .article-share {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 24px;
        padding: 18px 0;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        flex-wrap: wrap;
    }

    .share-label {
        font-size: 14px;
        font-weight: 600;
        color: var(--muted);
    }

    .article-share a {
        width: 36px;
        height: 36px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(15, 30, 61, .06);
        color: var(--primary);
        font-size: 15px;
        transition: all .25s;
    }

    .article-share a:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-3px);
    }

    /* 返回 */
    .article-back {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 26px;
    }

    /* 内容未找到 */
    .not-found-card {
        text-align: center;
        padding: 90px 20px;
    }

    .not-found-card i {
        font-size: 64px;
        color: var(--accent);
        opacity: .5;
        display: block;
        margin-bottom: 20px;
    }

    .not-found-card h2 {
        font-size: 28px;
        font-weight: 800;
        color: var(--primary);
        margin-bottom: 12px;
    }

    .not-found-card p {
        color: var(--muted);
        max-width: 430px;
        margin: 0 auto 28px;
        font-size: 15px;
    }

    /* ===== 侧边栏 ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .sidebar-card {
        background: #fff;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        padding: 26px;
    }

    .sidebar-card h3 {
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 14px;
    }

    .sidebar-card h3 i {
        color: var(--accent);
        margin-right: 6px;
    }

    .sidebar-card p {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.75;
        margin-bottom: 18px;
    }

    .sidebar-links li {
        padding: 3px 0;
    }

    .sidebar-links a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        border-radius: 10px;
        background: rgba(245, 247, 252, .8);
        color: var(--text);
        font-weight: 600;
        font-size: 14px;
        transition: all .25s;
    }

    .sidebar-links a i {
        font-size: 12px;
        color: var(--accent-dark);
    }

    .sidebar-links a:hover {
        background: rgba(15, 30, 61, .06);
        color: var(--primary);
        transform: translateX(3px);
    }

    /* ===== 亮点板块 ===== */
    .highlight-section {
        padding: 80px 0;
        background: #fff;
        border-top: 1px solid var(--border);
    }

    .section-head {
        text-align: center;
        margin-bottom: 48px;
    }

    .section-head .overline {
        display: inline-block;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: .2em;
        color: var(--accent-dark);
        background: rgba(212, 182, 81, .12);
        padding: 5px 16px;
        border-radius: 999px;
        margin-bottom: 14px;
    }

    .section-head h2 {
        font-size: 32px;
        color: var(--primary);
        font-weight: 800;
        line-height: 1.3;
    }

    .section-head p {
        color: var(--muted);
        margin-top: 10px;
        max-width: 640px;
        margin-left: auto;
        margin-right: auto;
        font-size: 15px;
    }

    .highlight-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .highlight-card {
        background: var(--bg);
        border-radius: var(--radius);
        padding: 32px;
        border: 1px solid var(--border);
        transition: all .3s;
        position: relative;
        overflow: hidden;
    }

    .highlight-card::after {
        content: '';
        position: absolute;
        right: -40px;
        bottom: -40px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: rgba(212, 182, 81, .08);
        transition: transform .4s;
    }

    .highlight-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-color: rgba(212, 182, 81, .4);
    }

    .highlight-card:hover::after {
        transform: scale(1.2);
    }

    .highlight-card .icon {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        background: linear-gradient(135deg, rgba(212, 182, 81, .28), rgba(180, 147, 47, .14));
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent-dark);
        font-size: 22px;
        margin-bottom: 16px;
        position: relative;
        z-index: 1;
    }

    .highlight-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 10px;
        position: relative;
        z-index: 1;
    }

    .highlight-card p {
        color: var(--muted);
        font-size: 14px;
        position: relative;
        z-index: 1;
    }

    /* ===== 延伸阅读 ===== */
    .related-section {
        padding: 80px 0;
        background: var(--bg);
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .related-card {
        background: #fff;
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: all .35s;
        display: block;
        position: relative;
    }

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

    .related-card .cover {
        height: 180px;
        overflow: hidden;
        position: relative;
    }

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

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

    .related-card .cover .cover-badge {
        position: absolute;
        top: 14px;
        left: 14px;
        z-index: 2;
        background: rgba(15, 30, 61, .78);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 999px;
        backdrop-filter: blur(4px);
    }

    .related-card .body {
        padding: 22px;
    }

    .related-card .body h3 {
        color: var(--primary);
        font-size: 17px;
        font-weight: 700;
        margin-bottom: 8px;
        line-height: 1.5;
    }

    .related-card .body p {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.7;
    }

    .related-card .meta {
        margin-top: 16px;
        padding-top: 14px;
        border-top: 1px solid var(--border);
        font-size: 13px;
        color: #9aa3b2;
        display: flex;
        gap: 14px;
    }

    .related-card .meta i {
        color: var(--accent);
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 80px 0;
        background: linear-gradient(180deg, #F5F7FC 0%, #EDF0F8 100%);
    }

    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .faq-item {
        background: #fff;
        border-radius: 14px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        overflow: hidden;
        transition: box-shadow .3s;
    }

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

    .faq-item summary {
        display: flex;
        align-items: center;
        cursor: pointer;
        padding: 18px 22px;
        font-weight: 600;
        font-size: 15px;
        color: var(--primary);
        list-style: none;
        position: relative;
        padding-right: 48px;
    }

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

    .faq-item summary::after {
        content: '+';
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        width: 28px;
        height: 28px;
        background: rgba(212, 182, 81, .16);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent-dark);
        font-weight: 700;
        font-size: 20px;
        transition: transform .3s;
    }

    .faq-item[open] summary::after {
        content: '−';
        transform: translateY(-50%) rotate(180deg);
    }

    .faq-item .answer {
        padding: 0 22px 20px;
        color: var(--muted);
        font-size: 14px;
        line-height: 1.75;
        border-top: 1px dashed var(--border);
        padding-top: 14px;
    }

    /* ===== CTA ===== */
    .cta-section {
        position: relative;
        padding: 80px 0;
        background-size: cover;
        background-position: center;
        overflow: hidden;
    }

    .cta-section .cta-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(15, 30, 61, .94), rgba(27, 49, 96, .88));
        z-index: 1;
    }

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

    .cta-content h2 {
        font-size: 34px;
        font-weight: 800;
        margin-bottom: 14px;
        line-height: 1.35;
    }

    .cta-content p {
        color: rgba(255, 255, 255, .8);
        margin-bottom: 28px;
        font-size: 16px;
    }

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

    /* ===== Footer ===== */
    .site-footer {
        background: #0B1226;
        color: #b5bfd0;
        padding: 60px 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .footer-brand h3 {
        color: #fff;
        font-size: 24px;
        font-weight: 800;
        margin-bottom: 16px;
    }

    .footer-brand h3 i {
        color: var(--accent);
    }

    .footer-brand p {
        color: #8b96ab;
        font-size: 14px;
        line-height: 1.75;
        max-width: 360px;
    }

    .social {
        display: flex;
        gap: 12px;
        margin-top: 20px;
    }

    .social a {
        width: 38px;
        height: 38px;
        border-radius: 50%;
        background: rgba(255, 255, 255, .08);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #b5bfd0;
        font-size: 15px;
        transition: all .3s;
    }

    .social a:hover {
        background: var(--accent);
        color: #1c1c1c;
        transform: translateY(-3px);
    }

    .footer-col h4 {
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 18px;
    }

    .footer-col a {
        display: block;
        color: #8b96ab;
        font-size: 14px;
        margin-bottom: 12px;
        transition: color .25s, transform .25s;
    }

    .footer-col a:hover {
        color: var(--accent);
        transform: translateX(4px);
    }

    .footer-bottom {
        padding: 22px 0;
        text-align: center;
        font-size: 13px;
        color: #6f7a90;
    }

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

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

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

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

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

    @media (max-width: 768px) {
        .main-nav {
            position: fixed;
            top: 76px;
            left: 16px;
            right: 16px;
            background: #fff;
            border-radius: 16px;
            padding: 14px;
            box-shadow: var(--shadow-lg);
            flex-direction: column;
            align-items: stretch;
            gap: 6px;
            transform: translateY(-160%);
            opacity: 0;
            pointer-events: none;
            transition: opacity .35s, transform .35s;
            z-index: 99;
            border: 1px solid var(--border);
        }

        .main-nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .main-nav a {
            padding: 13px 16px;
            justify-content: center;
        }

        .nav-toggle {
            display: inline-flex;
        }

        .header-actions .btn-header {
            display: none;
        }

        .article-main {
            padding: 28px 22px;
        }

        .article-hero {
            padding: 64px 0 56px;
        }

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

        .highlight-section,
        .related-section,
        .faq-section,
        .cta-section {
            padding: 56px 0;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .section-head h2 {
            font-size: 26px;
        }

        .cta-content h2 {
            font-size: 28px;
        }
    }

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

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

        .article-main {
            padding: 24px 18px;
            border-radius: 14px;
        }

        .article-hero h1 {
            font-size: 23px;
        }

        .hero-meta {
            font-size: 13px;
            gap: 10px;
        }

        .article-content {
            font-size: 15px;
        }

        .article-content h2 {
            font-size: 20px;
        }

        .article-back .btn {
            width: 100%;
        }

        .article-share {
            gap: 8px;
        }

        .article-share a {
            width: 34px;
            height: 34px;
        }

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

        .logo {
            font-size: 20px;
        }

        .container {
            padding: 0 16px;
        }
    }

/* roulang page: category2 */
:root {
            --primary: #b08d57;
            --primary-dark: #8c6d3f;
            --primary-light: #f5e7c8;
            --accent: #1a1a2e;
            --bg: #faf7f2;
            --card: #ffffff;
            --text: #2d2d3a;
            --muted: #6b6b7c;
            --border: #e8e2d8;
            --radius: 18px;
            --shadow: 0 20px 40px rgba(26, 26, 46, 0.08);
            --shadow-hover: 0 28px 56px rgba(26, 26, 46, 0.15);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .site-logo .logo-icon {
            color: var(--primary);
            font-size: 1.6rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(176, 141, 87, 0.3);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-cta {
            padding: 10px 24px;
            border-radius: 999px;
            background: linear-gradient(135deg, #c9a46e 0%, var(--primary) 50%, var(--primary-dark) 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 8px 24px rgba(176, 141, 87, 0.35);
            transition: var(--transition);
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(176, 141, 87, 0.45);
            color: #fff;
        }

        .btn-cta:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(176, 141, 87, 0.3);
        }

        .btn-cta:focus-visible {
            outline: 3px solid rgba(176, 141, 87, 0.4);
            outline-offset: 3px;
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--accent);
            width: 44px;
            height: 44px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        /* Hero */
        .hero {
            position: relative;
            padding: 120px 0 140px;
            background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            text-align: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.55) 0%, rgba(26, 26, 46, 0.35) 45%, rgba(250, 247, 242, 0.9) 100%);
            backdrop-filter: saturate(1.2);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(6px);
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            text-shadow: 0 4px 30px rgba(26, 26, 46, 0.3);
        }

        .hero h1 span {
            color: var(--primary-light);
            position: relative;
        }

        .hero p {
            font-size: 1.15rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.92);
            max-width: 640px;
            margin: 0 auto 36px;
            text-shadow: 0 2px 12px rgba(26, 26, 46, 0.25);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: var(--transition);
        }

        .btn-light {
            background: #fff;
            color: var(--accent);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
            color: var(--primary-dark);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(4px);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(176, 141, 87, 0.5);
            outline-offset: 3px;
        }

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

        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .section-head p {
            color: var(--muted);
            font-size: 1.05rem;
            line-height: 1.7;
        }

        /* Category cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .category-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .category-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

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

        .category-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary-dark);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            align-self: flex-start;
        }

        .category-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .category-card p {
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.65;
            flex: 1;
            margin-bottom: 20px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
        }

        .card-link i {
            transition: transform 0.3s ease;
        }

        .category-card:hover .card-link i {
            transform: translateX(5px);
        }

        /* Activity list */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .activity-card {
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 28px;
            display: flex;
            gap: 24px;
            transition: var(--transition);
        }

        .activity-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }

        .activity-card .act-img {
            flex-shrink: 0;
            width: 150px;
            height: 130px;
            border-radius: 14px;
            overflow: hidden;
            background: var(--primary-light);
        }

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

        .activity-card:hover .act-img img {
            transform: scale(1.05);
        }

        .activity-card .act-info {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .activity-card .act-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }

        .tag-hot {
            background: #ffe8e8;
            color: #d45b5b;
        }

        .activity-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .activity-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .act-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--muted);
        }

        .act-meta i {
            color: var(--primary);
            margin-right: 4px;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .step-item {
            text-align: center;
            padding: 40px 24px;
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            transition: var(--transition);
        }

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

        .step-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), #fdf6ec);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--primary);
            box-shadow: 0 10px 24px rgba(176, 141, 87, 0.18);
        }

        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.65;
        }

        .step-num {
            position: absolute;
            top: 18px;
            right: 24px;
            font-size: 2rem;
            font-weight: 800;
            color: rgba(176, 141, 87, 0.18);
            line-height: 1;
        }

        /* Stats */
        .stats-section {
            background: linear-gradient(135deg, var(--accent) 0%, #2d2d50 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            opacity: 0.12;
        }

        .stats-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }

        .stat-item .num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-item .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 1px;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: 0 4px 16px rgba(26, 26, 46, 0.06);
        }

        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--accent);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border-radius: 14px;
            transition: var(--transition);
        }

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

        .faq-item summary::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item .faq-body {
            padding: 0 24px 20px;
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.7;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin-top: 0;
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 90px 0;
            text-align: center;
            background: url('/assets/images/backpic/back-3.png') no-repeat center center / cover;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 26, 46, 0.72);
            backdrop-filter: blur(4px);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--accent);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 50px;
            margin-bottom: 50px;
        }

        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand h3 i {
            color: var(--primary);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
            max-width: 360px;
        }

        .social {
            display: flex;
            gap: 12px;
        }

        .social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            transition: var(--transition);
        }

        .social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: var(--primary-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
            .steps-grid {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                flex-direction: column;
                padding: 20px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(26, 26, 46, 0.1);
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                justify-content: center;
                padding: 14px;
                font-size: 1rem;
            }
            .nav-actions .btn-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                padding: 90px 0 110px;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .section {
                padding: 56px 0;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .activity-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .activity-card {
                flex-direction: column;
            }
            .activity-card .act-img {
                width: 100%;
                height: 180px;
            }
            .section-head h2 {
                font-size: 1.7rem;
            }
            .cta-content h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-btns {
                flex-direction: column;
                gap: 12px;
            }
            .hero-btns .btn {
                width: 100%;
                justify-content: center;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item .num {
                font-size: 2rem;
            }
            .section-head .eyebrow {
                font-size: 0.75rem;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-body {
                padding: 0 18px 16px;
            }
            .footer-grid {
                gap: 30px;
            }
        }