/* roulang page: index */
:root {
            --primary: #6c5ce7;
            --primary-dark: #5438d6;
            --primary-light: #a29bfe;
            --accent: #ffb347;
            --accent-dark: #f39c12;
            --dark-bg: #0f1024;
            --dark-bg-2: #1a1d3a;
            --light-bg: #f6f7fb;
            --white: #ffffff;
            --text-main: #1a1d29;
            --text-muted: #6e7395;
            --border-color: #e8eaf3;
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--white);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button, input, select, textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .container-narrow {
            max-width: 960px;
        }

        /* ============ 导航 Dock ============ */
        .site-header {
            position: fixed;
            top: 20px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 16px;
            pointer-events: none;
        }
        .dock-nav {
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 60px;
            box-shadow: 0 8px 32px rgba(31, 38, 135, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.7);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            pointer-events: auto;
            transition: var(--transition);
        }
        .dock-nav:hover {
            box-shadow: 0 12px 40px rgba(31, 38, 135, 0.18);
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.2px;
            white-space: nowrap;
        }
        .site-logo:hover {
            color: var(--primary);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, #a29bfe 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0;
            box-shadow: 0 4px 12px rgba(108, 92, 231, 0.35);
            flex-shrink: 0;
        }
        .dock-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .dock-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
        }
        .dock-link:hover {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.08);
        }
        .dock-link.active {
            color: var(--white);
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
        }
        .dock-link.active:hover {
            color: var(--white);
        }
        .dock-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--accent) 0%, #ff8c42 100%);
            border: none;
            color: #1a1d29;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(255, 179, 71, 0.4);
            transition: var(--transition);
            white-space: nowrap;
        }
        .dock-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 179, 71, 0.5);
            color: #1a1d29;
        }
        .dock-toggle {
            display: none;
            background: none;
            border: none;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            cursor: pointer;
            position: relative;
            z-index: 1100;
            background: rgba(108, 92, 231, 0.1);
        }
        .dock-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-main);
            margin: 5px auto;
            transition: var(--transition);
            border-radius: 2px;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background-image: linear-gradient(120deg, rgba(15, 16, 36, 0.92) 0%, rgba(76, 61, 143, 0.75) 60%, rgba(108, 92, 231, 0.65) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 140px 0 100px;
            overflow: hidden;
        }
        .hero-content {
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            border-radius: 40px;
            padding: 7px 18px;
            font-size: 14px;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            margin-bottom: 28px;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero-title {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-title span {
            color: var(--accent);
            position: relative;
            display: inline-block;
        }
        .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            max-width: 620px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent) 0%, #ff8c42 100%);
            border: none;
            color: #1a1d29;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 24px rgba(255, 179, 71, 0.4);
            transition: var(--transition);
            font-size: 16px;
        }
        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 179, 71, 0.5);
            color: #1a1d29;
        }
        .btn-hero-ghost {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-weight: 500;
            padding: 14px 32px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            font-size: 16px;
            backdrop-filter: blur(6px);
        }
        .btn-hero-ghost:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            transform: translateY(-3px);
            border-color: rgba(255, 255, 255, 0.6);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            margin-top: 56px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-stat-item {
            color: #fff;
        }
        .hero-stat-num {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.2;
        }
        .hero-stat-num small {
            font-size: 16px;
            font-weight: 500;
            color: var(--accent);
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.5px;
        }

        /* ============ 通用板块 ============ */
        .section {
            padding: 100px 0;
        }
        .section-alt {
            background: var(--light-bg);
        }
        .section-narrow {
            padding: 80px 0;
        }
        .section-head {
            margin-bottom: 50px;
        }
        .section-head.center {
            text-align: center;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary);
            border-radius: 40px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .section-tag i {
            font-size: 12px;
        }
        .section-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ============ 平台介绍 ============ */
        .intro-block {
            display: flex;
            align-items: center;
            gap: 60px;
        }
        .intro-media {
            flex: 1;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .intro-media img {
            width: 100%;
            display: block;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        .intro-media::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(15, 16, 36, 0.4), transparent);
        }
        .intro-content {
            flex: 1;
        }
        .intro-content .section-title {
            font-size: 32px;
        }
        .intro-features {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }
        .intro-features li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 16px;
            color: var(--text-main);
        }
        .intro-features li i {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.12);
            border-radius: 50%;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* ============ 分类入口 ============ */
        .category-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(108, 92, 231, 0.2);
        }
        .category-cover {
            position: relative;
            border-radius: 0;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .category-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .category-cover img {
            transform: scale(1.05);
        }
        .category-cover::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(200deg, rgba(108, 92, 231, 0.15) 0%, rgba(15, 16, 36, 0.3) 100%);
        }
        .category-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 5;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(4px);
            color: var(--text-main);
            border-radius: 40px;
            padding: 5px 16px;
            font-size: 13px;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .category-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .category-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .category-body p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }
        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
        }
        .category-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ============ 资讯列表 ============ */
        .news-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 26px 28px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(108, 92, 231, 0.2);
        }
        .news-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .news-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 30px;
            padding: 4px 14px;
        }
        .news-time {
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .news-card h3 a {
            color: var(--text-main);
        }
        .news-card h3 a:hover {
            color: var(--primary);
        }
        .news-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-card-link:hover {
            gap: 10px;
        }
        .news-empty {
            background: var(--light-bg);
            border-radius: var(--radius-md);
            padding: 50px;
            text-align: center;
            color: var(--text-muted);
            font-size: 16px;
        }

        /* ============ 数据统计 ============ */
        .stats-section {
            position: relative;
            background-image: linear-gradient(120deg, rgba(15, 16, 36, 0.94), rgba(76, 61, 143, 0.88)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 90px 0;
            color: #fff;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent);
        }
        .stat-num {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.5px;
        }

        /* ============ 平台优势 ============ */
        .feature-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 36px 30px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .feature-icon {
            width: 68px;
            height: 68px;
            background: linear-gradient(135deg, var(--primary) 0%, #a29bfe 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #fff;
            margin: 0 auto 22px;
            box-shadow: 0 8px 20px rgba(108, 92, 231, 0.3);
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .feature-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ============ 使用流程 ============ */
        .steps-section {
            background: var(--light-bg);
        }
        .step-item {
            position: relative;
            text-align: center;
            padding: 20px 16px;
        }
        .step-num {
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin: 0 auto 20px;
            box-shadow: 0 6px 16px rgba(108, 92, 231, 0.35);
            position: relative;
            z-index: 2;
        }
        .step-item::after {
            content: '';
            position: absolute;
            top: 44px;
            left: 50%;
            transform: translateX(10px);
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, rgba(108, 92, 231, 0.4), rgba(108, 92, 231, 0.1));
        }
        .step-item:last-child::after {
            display: none;
        }
        .step-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 14px;
            display: block;
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ============ FAQ ============ */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border-color) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: #fff;
        }
        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            padding: 22px 28px;
            background: #fff;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.04);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1) !important;
        }
        .accordion-button::after {
            filter: hue-rotate(220deg) saturate(1.5);
        }
        .accordion-body {
            padding: 4px 28px 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 100px 0;
            background-image: linear-gradient(120deg, rgba(15, 16, 36, 0.88), rgba(108, 92, 231, 0.8)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
        }
        .cta-box {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 56px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .cta-box h2 {
            color: #fff;
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 17px;
            margin-bottom: 32px;
        }
        .cta-btn {
            background: linear-gradient(135deg, var(--accent) 0%, #ff8c42 100%);
            color: #1a1d29;
            font-weight: 700;
            font-size: 16px;
            padding: 16px 40px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            box-shadow: 0 10px 30px rgba(255, 179, 71, 0.4);
            transition: var(--transition);
        }
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(255, 179, 71, 0.5);
            color: #1a1d29;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .footer-brand .logo-icon {
            background: linear-gradient(135deg, var(--accent) 0%, #ff8c42 100%);
            color: #1a1d29;
            box-shadow: 0 4px 14px rgba(255, 179, 71, 0.3);
        }
        .footer-brand span {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }
        .footer-desc {
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 340px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            margin-top: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 44px;
            }
            .intro-block {
                gap: 36px;
            }
            .section {
                padding: 80px 0;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                top: 12px;
            }
            .dock-nav {
                padding: 8px 14px;
                border-radius: 40px;
            }
            .dock-menu {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(16px);
                border-radius: 20px;
                box-shadow: var(--shadow-lg);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                border: 1px solid var(--border-color);
            }
            .dock-menu.open {
                display: flex;
            }
            .dock-link {
                justify-content: center;
                padding: 12px 18px;
            }
            .dock-cta {
                display: none;
            }
            .dock-toggle {
                display: block;
            }
            .hero {
                padding: 120px 0 80px;
                min-height: auto;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-stats {
                gap: 20px;
                margin-top: 40px;
            }
            .hero-stat-num {
                font-size: 24px;
            }
            .section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .intro-block {
                flex-direction: column;
            }
            .intro-content .section-title {
                font-size: 26px;
            }
            .stat-num {
                font-size: 32px;
            }
            .step-item::after {
                display: none;
            }
            .cta-box {
                padding: 36px 24px;
            }
            .cta-box h2 {
                font-size: 28px;
            }
            .dock-link.active {
                background: rgba(108, 92, 231, 0.15);
                color: var(--primary);
                box-shadow: none;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-ghost {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 24px;
            }
            .category-body {
                padding: 20px;
            }
            .news-card {
                padding: 20px;
            }
            .cta-box {
                padding: 28px 20px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .feature-card {
                padding: 26px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --dark-bg: #0b1220;
  --dark-surface: #111a2c;
  --light-bg: #f5f7fb;
  --white: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 16px rgba(15, 23, 42, .06);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, .09);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .13);
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-main);
  background: var(--light-bg);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}

/* ============ Header / Dock 导航 ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  padding: 14px 20px;
  pointer-events: none;
}

.dock-nav {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(10, 15, 30, .86);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, .10);
  border-radius: 60px;
  padding: 10px 16px 10px 20px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, .28);
  pointer-events: auto;
  transition: var(--transition);
}

.dock-nav:hover {
  box-shadow: 0 20px 56px rgba(0, 0, 0, .34);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: .3px;
  white-space: nowrap;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #0b1220;
  font-size: 13px;
  font-weight: 900;
  border-radius: 12px;
  flex-shrink: 0;
  letter-spacing: 0;
}

.dock-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.dock-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 40px;
  color: rgba(255, 255, 255, .72);
  font-size: 14.5px;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.dock-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, .10);
  transform: translateY(-1px);
}

.dock-link.active {
  color: #0b1220;
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(245, 158, 11, .35);
}

.dock-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 40px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition);
  box-shadow: 0 6px 18px rgba(37, 99, 235, .32);
}

.dock-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37, 99, 235, .45);
  color: #ffffff;
}

.dock-cta i {
  font-size: 13px;
  transition: transform .3s;
}

.dock-cta:hover i {
  transform: translateX(3px);
}

.dock-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  padding: 8px;
  border-radius: 10px;
  cursor: pointer;
  margin-left: auto;
}

.dock-toggle span {
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: var(--transition);
}

.dock-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.dock-toggle.active span:nth-child(2) {
  opacity: 0;
}

.dock-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============ Page Hero ============ */
.page-hero {
  position: relative;
  padding: 180px 0 110px;
  background-image: linear-gradient(rgba(7, 12, 25, .82), rgba(7, 12, 25, .88)), url(/assets/images/backpic/back-1.png);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  text-align: center;
}

.page-hero .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 40px;
  background: rgba(245, 158, 11, .16);
  border: 1px solid rgba(245, 158, 11, .35);
  color: #fbbf24;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 22px;
}

.page-hero .hero-tag i {
  font-size: 14px;
}

.page-hero h1 {
  font-size: 52px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 1px;
  line-height: 1.15;
  margin-bottom: 20px;
}

.page-hero h1 span {
  background: linear-gradient(90deg, #fbbf24, #f97316);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-hero .hero-sub {
  max-width: 680px;
  margin: 0 auto 30px;
  color: rgba(255, 255, 255, .78);
  font-size: 17px;
  line-height: 1.8;
}

.page-hero .hero-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-hero .hero-tags .badge-tag {
  padding: 8px 18px;
  background: rgba(255, 255, 255, .10);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 40px;
  color: rgba(255, 255, 255, .85);
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
}

.page-hero .hero-tags .badge-tag:hover {
  background: rgba(255, 255, 255, .18);
  transform: translateY(-2px);
  color: #ffffff;
}

.hero-scroll {
  margin-top: 48px;
  color: rgba(255, 255, 255, .5);
  font-size: 22px;
  animation: bounce-down 2s infinite;
}

@keyframes bounce-down {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

/* ============ 通用板块标题 ============ */
.section-pad {
  padding: 90px 0;
}

.section-pad-sm {
  padding: 60px 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.center .section-eyebrow::after {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 14px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
}

/* ============ 数据统计 ============ */
.stats-overview {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px 30px;
  margin-top: -50px;
  position: relative;
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, .85);
}

.stat-item {
  text-align: center;
  padding: 12px 8px;
}

.stat-item .stat-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  font-size: 20px;
  color: var(--primary);
  background: var(--primary-light);
}

.stat-item .stat-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.2;
}

.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============ 资讯列表 ============ */
.news-featured {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 100%;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  transition: var(--transition);
}

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

.news-featured img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-featured::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 10, 20, .92) 0%, rgba(5, 10, 20, .28) 55%, transparent 100%);
}

.news-featured .featured-body {
  position: relative;
  z-index: 2;
  padding: 32px;
  color: #ffffff;
  width: 100%;
}

.featured-badge {
  display: inline-block;
  padding: 5px 14px;
  background: var(--accent);
  color: #0b1220;
  font-size: 12px;
  font-weight: 800;
  border-radius: 30px;
  margin-bottom: 14px;
  letter-spacing: .5px;
}

.news-featured h3 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 10px;
}

.news-featured p {
  color: rgba(255, 255, 255, .72);
  font-size: 14.5px;
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 90%;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, .66);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.news-list-item:last-child {
  border-bottom: none;
}

.news-list-item:hover {
  padding-left: 12px;
}

.news-list-item .thumb {
  width: 92px;
  height: 68px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.news-list-item .list-content {
  flex: 1;
  min-width: 0;
}

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

.news-list-item h4 {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  transition: var(--transition);
}

.news-list-item:hover h4 {
  color: var(--primary);
}

.news-list-item .list-meta {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============ 热门专题卡片 ============ */
.topic-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  height: 320px;
  display: block;
  transition: var(--transition);
}

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

.topic-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 10, 20, .88) 0%, rgba(5, 10, 20, .25) 60%, transparent 100%);
}

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

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

.topic-card .topic-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 24px;
  color: #ffffff;
}

.topic-card .topic-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(245, 158, 11, .9);
  color: #0b1220;
  font-size: 16px;
  margin-bottom: 12px;
}

.topic-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
}

.topic-card p {
  font-size: 13.5px;
  color: rgba(255, 255, 255, .7);
  margin: 0;
}

.topic-card .topic-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: #fbbf24;
}

.topic-card .topic-link i {
  font-size: 12px;
  transition: transform .3s;
}

.topic-card:hover .topic-link i {
  transform: translateX(4px);
}

/* ============ CTA 订阅 ============ */
.cta-subscribe {
  background: linear-gradient(135deg, #111a2c 0%, #1a2440 50%, #0b1220 100%);
  border-radius: var(--radius-lg);
  padding: 60px 50px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-subscribe::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(245, 158, 11, .3), transparent 70%);
  border-radius: 50%;
}

.cta-subscribe::after {
  content: '';
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(59, 130, 246, .35), transparent 70%);
  border-radius: 50%;
}

.cta-subscribe .cta-content {
  position: relative;
  z-index: 2;
}

.cta-subscribe h3 {
  color: #ffffff;
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-subscribe p {
  color: rgba(255, 255, 255, .72);
  font-size: 16px;
  margin-bottom: 0;
}

.subscribe-form {
  display: flex;
  gap: 10px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 60px;
  padding: 6px 6px 6px 22px;
  backdrop-filter: blur(8px);
  max-width: 500px;
  width: 100%;
}

.subscribe-form .form-control {
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 15px;
  caret-color: #fbbf24;
  padding: 10px 0;
}

.subscribe-form .form-control::placeholder {
  color: rgba(255, 255, 255, .45);
}

.subscribe-form .form-control:focus {
  box-shadow: none;
  background: transparent;
  font-size: 15px;
}

.subscribe-form .btn-subscribe {
  padding: 10px 26px;
  border-radius: 40px;
  background: linear-gradient(135deg, var(--accent), #f97316);
  color: #0b1220;
  font-weight: 700;
  border: none;
  font-size: 14px;
  white-space: nowrap;
  transition: var(--transition);
}

.subscribe-form .btn-subscribe:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, .4);
}

/* ============ FAQ ============ */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius) !important;
  margin-bottom: 14px;
  background: var(--white);
  overflow: hidden;
}

.accordion-item:last-child {
  margin-bottom: 0;
}

.accordion-button {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  padding: 18px 22px;
  background: var(--white);
  box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
  color: var(--primary);
  background: #f8fbff;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%232563eb' viewBox='0 0 16 16'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
}

.accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}

.accordion-body {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  padding: 6px 22px 20px;
}

/* ============ 联系 CTA ============ */
.contact-row {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 44px 40px;
  border: 1px solid rgba(226, 232, 240, .6);
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.contact-info-item .contact-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 18px;
}

.contact-info-item h5 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 14.5px;
  color: var(--text-muted);
  margin: 0;
}

.contact-form .form-control {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 15px;
  background: #f8fafc;
  transition: var(--transition);
}

.contact-form .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .10);
  background: #ffffff;
}

.contact-form textarea.form-control {
  min-height: 110px;
  resize: vertical;
}

.btn-contact {
  padding: 12px 32px;
  border-radius: 40px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: #ffffff;
  font-weight: 600;
  border: none;
  font-size: 15px;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(37, 99, 235, .28);
}

.btn-contact:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37, 99, 235, .38);
  color: #ffffff;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, .72);
  padding: 70px 0 0;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  width: 38px;
  height: 38px;
  font-size: 15px;
}

.footer-desc {
  color: rgba(255, 255, 255, .55);
  font-size: 14.5px;
  line-height: 1.8;
  max-width: 320px;
  margin-bottom: 0;
}

.footer-title {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, .6);
  font-size: 14px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a i {
  font-size: 12px;
  color: rgba(245, 158, 11, .7);
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-bottom {
  margin-top: 50px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .4);
}

/* ============ 响应式 ============ */
@media (max-width: 992px) {
  .dock-nav {
    border-radius: 26px;
    flex-wrap: wrap;
    padding: 12px 18px;
  }

  .dock-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    padding: 12px 0 6px;
    gap: 6px;
  }

  .dock-menu.open {
    display: flex;
  }

  .dock-link {
    padding: 12px 18px;
    border-radius: 12px;
  }

  .dock-cta {
    display: none;
  }

  .dock-toggle {
    display: flex;
  }

  .page-hero {
    padding: 150px 0 90px;
  }

  .page-hero h1 {
    font-size: 38px;
  }

  .stats-overview {
    margin-top: -30px;
    padding: 24px 20px;
  }

  .news-featured {
    min-height: 340px;
    margin-bottom: 20px;
  }

  .cta-subscribe {
    padding: 40px 30px;
  }

  .cta-subscribe h3 {
    font-size: 24px;
  }

  .section-head h2 {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .section-pad {
    padding: 64px 0;
  }

  .page-hero h1 {
    font-size: 30px;
  }

  .page-hero .hero-sub {
    font-size: 15.5px;
  }

  .stat-item {
    padding: 8px 4px;
  }

  .stat-item .stat-num {
    font-size: 24px;
  }

  .news-list-item .thumb {
    width: 76px;
    height: 60px;
  }

  .news-list-item h4 {
    font-size: 14px;
  }

  .topic-card {
    height: 260px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .subscribe-form {
    flex-direction: column;
    background: transparent;
    border: none;
    padding: 0;
    gap: 12px;
  }

  .subscribe-form .form-control {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 40px;
    padding: 12px 20px;
  }

  .subscribe-form .btn-subscribe {
    width: 100%;
  }

  .contact-row {
    padding: 30px 24px;
  }
}

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

  .site-logo {
    font-size: 15px;
  }

  .logo-icon {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }

  .page-hero h1 {
    font-size: 26px;
  }

  .page-hero .hero-tags .badge-tag {
    font-size: 12px;
    padding: 7px 14px;
  }

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

  .news-featured h3 {
    font-size: 18px;
  }

  .news-list-item {
    gap: 12px;
  }

  .news-list-item .thumb {
    width: 72px;
    height: 58px;
  }

  .topic-card h4 {
    font-size: 16px;
  }

  .faq-wrap .accordion-button {
    font-size: 15px;
    padding: 16px;
  }

  .cta-subscribe h3 {
    font-size: 22px;
  }
}

/* roulang page: article */
:root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd4;
            --primary-light: #a29bfe;
            --accent: #ff6b81;
            --accent-light: #ffe8ec;
            --dark: #1e1e2e;
            --text: #2d3436;
            --text-muted: #7b8d93;
            --text-light: #b2bec3;
            --bg: #f5f6fb;
            --bg-white: #ffffff;
            --bg-dark: #14141f;
            --border: #e8ecf1;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 14px rgba(30, 35, 48, 0.06);
            --shadow-md: 0 14px 34px rgba(30, 35, 48, 0.08);
            --shadow-lg: 0 24px 52px rgba(108, 92, 231, 0.14);
            --font-main: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 110px;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: color .25s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }
        .container {
            max-width: 1200px;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 1050;
            padding: 0 20px;
        }
        .dock-nav {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(232, 236, 241, 0.9);
            border-radius: 24px;
            padding: 10px 16px 10px 20px;
            box-shadow: 0 8px 30px rgba(30, 35, 48, 0.08);
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0.2px;
            color: var(--dark) !important;
            white-space: nowrap;
        }
        .site-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 36px;
            padding: 0 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 13px;
            font-weight: 900;
            border-radius: 10px;
            letter-spacing: 0;
            box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
        }
        .dock-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .dock-link {
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            border-radius: 12px;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .dock-link:hover {
            color: var(--primary);
            background: #f0edff;
        }
        .dock-link.active {
            color: var(--primary);
            background: #e6e1ff;
            box-shadow: inset 0 0 0 1px rgba(108, 92, 231, 0.12);
        }
        .dock-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            border-radius: 14px;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
            transition: all .3s ease;
            border: none;
            white-space: nowrap;
        }
        .dock-cta:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 92, 231, 0.35);
        }
        .dock-cta i {
            font-size: 13px;
        }
        .dock-toggle {
            display: none;
            background: none;
            border: 0;
            cursor: pointer;
            width: 40px;
            height: 40px;
            padding: 10px;
            border-radius: 10px;
            background: #f0f1f5;
        }
        .dock-toggle span {
            display: block;
            height: 2px;
            background: var(--text);
            margin: 4px 0;
            border-radius: 2px;
            transition: all .3s ease;
        }
        .dock-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .dock-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .dock-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .breadcrumb-section {
            padding: 30px 0 0;
        }
        .breadcrumb-section .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
            font-size: 14px;
        }
        .breadcrumb-section .breadcrumb-item a {
            color: var(--text-muted);
            font-weight: 500;
        }
        .breadcrumb-section .breadcrumb-item a:hover {
            color: var(--primary);
        }
        .breadcrumb-section .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 600;
        }
        .breadcrumb-section .breadcrumb-item + .breadcrumb-item::before {
            color: var(--text-light);
            content: "\f105";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
        }

        .article-section {
            padding: 32px 0 70px;
        }
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 40px;
            border: 1px solid var(--border);
            transition: box-shadow .3s ease;
        }
        .article-card:hover {
            box-shadow: var(--shadow-md);
        }
        .article-head {
            margin-bottom: 32px;
        }
        .badge-cat {
            display: inline-block;
            padding: 5px 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.2px;
        }
        .article-head h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--dark);
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-muted);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--primary-light);
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--dark);
            margin: 2em 0 0.8em;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            border-radius: 2px;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin: 1.8em 0 0.7em;
        }
        .article-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin: 1.6em 0 0.6em;
        }
        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(108, 92, 231, 0.3);
        }
        .article-body a:hover {
            border-bottom-color: var(--primary);
        }
        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin: 24px 0;
        }
        .article-body ul,
        .article-body ol {
            margin: 1em 0 1.4em;
            padding-left: 1.4em;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.5em;
        }
        .article-body ul li::marker {
            color: var(--primary);
        }
        .article-body blockquote {
            background: #f5f3ff;
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 18px 22px;
            margin: 1.6em 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body code {
            background: #f0f1f5;
            color: var(--primary-dark);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 14px;
        }

        .article-tags {
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .article-tags .tag-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
            margin-right: 4px;
        }
        .tag-item {
            display: inline-block;
            padding: 5px 14px;
            background: #f2f0ff;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            border-radius: 20px;
            transition: all .25s ease;
        }
        .tag-item:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(108, 92, 231, 0.25);
        }
        .article-footer-bar {
            margin-top: 28px;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 14px;
            font-weight: 700;
            font-size: 14px;
            transition: all .3s ease;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.25);
        }
        .btn-brand:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 92, 231, 0.35);
        }
        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 9px 22px;
            border-radius: 14px;
            font-weight: 700;
            font-size: 14px;
            transition: all .3s ease;
        }
        .btn-outline-brand:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(108, 92, 231, 0.2);
        }
        .article-not-found {
            text-align: center;
            padding: 70px 20px;
        }
        .not-found-icon {
            width: 82px;
            height: 82px;
            margin: 0 auto 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f2f0ff;
            border-radius: 50%;
            font-size: 32px;
            color: var(--primary);
        }
        .article-not-found h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 14px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 28px;
            max-width: 380px;
            margin-left: auto;
            margin-right: auto;
        }

        .sidebar {
            position: sticky;
            top: 110px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .widget-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px;
            box-shadow: var(--shadow-sm);
        }
        .widget-title {
            font-size: 17px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .widget-title::before {
            content: '';
            width: 4px;
            height: 18px;
            background: linear-gradient(180deg, var(--primary), var(--primary-light));
            border-radius: 2px;
        }
        .widget-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .widget-links li {
            margin-bottom: 4px;
        }
        .widget-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: 10px;
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: all .25s ease;
        }
        .widget-links a i {
            font-size: 12px;
            color: var(--primary-light);
            transition: transform .25s ease;
        }
        .widget-links a:hover {
            background: #f2f0ff;
            color: var(--primary);
            transform: translateX(2px);
        }
        .widget-links a:hover i {
            transform: translateX(3px);
            color: var(--primary);
        }
        .service-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .service-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--text);
            font-weight: 500;
        }
        .service-list li:last-child {
            border-bottom: 0;
        }
        .service-list i {
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f2f0ff;
            color: var(--primary);
            border-radius: 10px;
            font-size: 14px;
        }
        .widget-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            text-align: center;
        }
        .widget-cta .widget-title {
            color: #fff;
        }
        .widget-cta .widget-title::before {
            background: linear-gradient(180deg, #fff, #d8d0ff);
        }
        .widget-cta p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 18px;
        }
        .widget-cta .btn {
            background: #fff;
            color: var(--primary);
            border: none;
            font-weight: 700;
            border-radius: 12px;
            padding: 8px 22px;
            transition: all .3s ease;
        }
        .widget-cta .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }

        .faq-section {
            padding: 20px 0 70px;
        }
        .section-head {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            background: #f2f0ff;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto;
        }
        .faq-wrap .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 14px !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-wrap .accordion-button {
            background: var(--bg-white);
            color: var(--dark);
            font-weight: 700;
            font-size: 15px;
            padding: 18px 24px;
            border: 0;
            box-shadow: none;
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            background: #faf9ff;
            color: var(--primary);
            box-shadow: none;
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: none;
            border: 0;
        }
        .faq-wrap .accordion-body {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.85;
            padding: 4px 24px 22px;
            background: var(--bg-white);
        }
        .faq-wrap .accordion-button::after {
            background-size: 14px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236c5ce7'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        }

        .cta-section {
            padding: 70px 0;
            position: relative;
            background: linear-gradient(135deg, rgba(20, 20, 31, 0.92), rgba(30, 30, 46, 0.88)), url('/assets/images/backpic/back-2.png') center/cover fixed;
            color: #fff;
            text-align: center;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at right bottom, rgba(108, 92, 231, 0.35), transparent 60%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-brand {
            background: #fff;
            color: var(--primary-dark);
        }
        .cta-section .btn-brand:hover {
            background: #f0edff;
            color: var(--primary-dark);
        }

        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 38px;
            padding: 0 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 13px;
            font-weight: 900;
            border-radius: 10px;
            letter-spacing: 0;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 3px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .25s ease;
        }
        .footer-links a i {
            font-size: 11px;
            color: var(--primary-light);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 40px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 1024px) {
            .article-head h1 {
                font-size: 28px;
            }
            .article-card {
                padding: 30px;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .dock-menu {
                position: absolute;
                top: 110%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: #fff;
                border-radius: 18px;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border);
                display: none;
                align-items: stretch;
            }
            .dock-menu.open {
                display: flex;
            }
            .dock-link {
                padding: 12px 16px;
                border-radius: 12px;
            }
            .dock-toggle {
                display: block;
            }
            .dock-cta {
                display: none;
            }
            .article-section {
                padding: 24px 0 50px;
            }
            .article-card {
                padding: 20px;
            }
            .article-head h1 {
                font-size: 24px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .site-header {
                top: 8px;
                padding: 0 12px;
            }
            .dock-nav {
                padding: 8px 12px;
                border-radius: 18px;
            }
            .site-logo {
                font-size: 15px;
                gap: 6px;
            }
            .site-logo .logo-icon {
                min-width: 34px;
                height: 32px;
                padding: 0 8px;
                font-size: 11px;
            }
            .article-head h1 {
                font-size: 20px;
            }
            .article-card {
                padding: 16px;
                border-radius: 16px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 17px;
            }
            .article-footer-bar .btn {
                width: 100%;
                justify-content: center;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section p {
                font-size: 14px;
            }
            .cta-section .btn-brand {
                width: 100%;
                max-width: 240px;
                justify-content: center;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量与基础 ========== */
        :root {
            --primary: #5b4dff;
            --primary-dark: #4a3de0;
            --primary-soft: #eceaff;
            --accent: #16c9a3;
            --accent-soft: #e2f9f3;
            --dark: #0d1024;
            --body-bg: #f7f7fc;
            --card-bg: #ffffff;
            --text: #1b1e30;
            --muted: #6b7085;
            --border: #e8e8f2;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 10px 30px rgba(40, 35, 120, .08);
            --shadow-lg: 0 24px 56px rgba(40, 35, 120, .14);
            --transition: all .28s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 90px 0;
        }

        .section-soft {
            background: #ffffff;
        }

        .section-white {
            background: #ffffff;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 100px;
            letter-spacing: .4px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 10px;
            letter-spacing: -.4px;
        }

        .section-head p {
            color: var(--muted);
            font-size: 16px;
            max-width: 620px;
        }

        /* ========== 浮动 Dock 导航 ========== */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 1050;
            margin: 16px auto 0;
            width: min(1200px, 94%);
        }

        .dock-nav {
            position: relative;
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, .86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(220, 220, 245, .82);
            border-radius: 56px;
            padding: 8px 10px 8px 20px;
            box-shadow: var(--shadow);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            color: var(--dark);
            letter-spacing: .2px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 13px;
            font-weight: 800;
            border-radius: 11px;
            letter-spacing: 0;
        }

        .dock-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }

        .dock-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            transition: var(--transition);
            white-space: nowrap;
        }

        .dock-link:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .dock-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(91, 77, 255, .28);
        }

        .dock-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--dark);
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }

        .dock-cta:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .dock-toggle {
            display: none;
            border: 0;
            background: var(--primary-soft);
            width: 40px;
            height: 40px;
            border-radius: 12px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            cursor: pointer;
        }

        .dock-toggle span {
            width: 18px;
            height: 2px;
            background: var(--dark);
            border-radius: 2px;
            transition: transform .3s;
        }

        /* ========== Banner ========== */
        .page-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 120px 0 105px;
            color: #fff;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(13, 16, 36, .88) 15%, rgba(91, 77, 255, .62) 80%);
        }

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

        .breadcrumb {
            display: inline-flex;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 100px;
            padding: 6px 16px;
            margin-bottom: 20px;
        }

        .breadcrumb .breadcrumb-item,
        .breadcrumb .breadcrumb-item a {
            color: rgba(255, 255, 255, .82);
            font-size: 14px;
        }

        .breadcrumb .breadcrumb-item.active {
            color: #fff;
        }

        .breadcrumb .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, .5);
            content: "/";
        }

        .page-banner .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .16);
            border: 1px solid rgba(255, 255, 255, .24);
            border-radius: 100px;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            backdrop-filter: blur(6px);
            margin-bottom: 18px;
        }

        .page-banner h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: -.6px;
        }

        .page-banner .lead {
            max-width: 620px;
            font-size: 17px;
            color: rgba(255, 255, 255, .9);
        }

        /* ========== 内容介绍 ========== */
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .intro-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
            color: var(--text);
        }

        .feature-list li:last-child {
            border-bottom: 0;
        }

        .feature-list i {
            width: 28px;
            height: 28px;
            flex: 0 0 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 10px;
            font-size: 13px;
        }

        /* ========== 玩法分类卡片 ========== */
        .guide-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 26px;
            height: 100%;
            transition: var(--transition);
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .guide-icon {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }

        .guide-card:nth-child(2) .guide-icon {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .guide-card:nth-child(3) .guide-icon {
            background: #fff1e6;
            color: #f2715a;
        }

        .guide-card:nth-child(4) .guide-icon {
            background: #e7f0ff;
            color: #3d7bff;
        }

        .guide-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .guide-card p {
            color: var(--muted);
            font-size: 14px;
            margin: 0;
        }

        .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }

        .guide-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ========== 内容列表卡片 ========== */
        .article-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
        }

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

        .article-thumb {
            position: relative;
            overflow: hidden;
        }

        .article-thumb img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .article-card:hover .article-thumb img {
            transform: scale(1.04);
        }

        .article-thumb .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(13, 16, 36, .72);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, .24);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            border-radius: 100px;
            padding: 5px 13px;
        }

        .article-body {
            padding: 22px;
        }

        .article-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            transition: color .2s;
        }

        .article-card:hover .article-body h3 {
            color: var(--primary);
        }

        .article-body p {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-meta {
            display: flex;
            gap: 14px;
            font-size: 13px;
            color: var(--muted);
        }

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

        /* ========== 流程步骤 ========== */
        .steps-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 90px 0;
            color: #fff;
        }

        .steps-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(13, 16, 36, .9);
        }

        .steps-section .container {
            position: relative;
            z-index: 2;
        }

        .steps-section .section-tag {
            background: rgba(255, 255, 255, .16);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .24);
        }

        .steps-section .section-head p {
            color: rgba(255, 255, 255, .75);
        }

        .steps-item {
            text-align: center;
            padding: 36px 20px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: var(--radius);
            backdrop-filter: blur(8px);
            height: 100%;
            transition: var(--transition);
        }

        .steps-item:hover {
            background: rgba(255, 255, 255, .12);
            transform: translateY(-4px);
        }

        .step-num {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            background: var(--accent);
            color: #0d1024;
            margin: 0 auto 18px;
            font-size: 17px;
        }

        .steps-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .steps-item p {
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-intro-card {
            background: var(--primary-soft);
            border-radius: var(--radius);
            padding: 30px;
            color: var(--dark);
        }

        .faq-intro-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .faq-intro-card p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 22px;
        }

        .contact-mini {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            padding: 10px 20px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: var(--shadow);
            color: var(--primary);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .contact-mini:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        .accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            overflow: hidden;
            background: #fff;
            box-shadow: none;
        }

        .accordion-button {
            background: #fff;
            color: var(--text);
            font-weight: 600;
            padding: 18px 22px;
            border: 0;
            box-shadow: none;
            font-size: 15px;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .accordion-button::after {
            background-size: 14px;
            opacity: .6;
        }

        .accordion-body {
            color: var(--muted);
            padding: 4px 22px 20px;
            font-size: 14px;
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 90px 0;
        }

        .cta-box {
            position: relative;
            background-color: #0d1024;
            background-image: radial-gradient(circle at 25% 30%, rgba(91, 77, 255, .4), transparent 55%),
                radial-gradient(circle at 80% 90%, rgba(22, 201, 163, .35), transparent 45%),
                url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            padding: 72px 48px;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(13, 16, 36, .55);
        }

        .cta-box .container,
        .cta-box .cta-inner {
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -.4px;
        }

        .cta-inner p {
            max-width: 560px;
            margin: 0 auto 30px;
            color: rgba(255, 255, 255, .82);
            font-size: 16px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            padding: 13px 30px;
            border-radius: 100px;
            font-size: 15px;
            border: 2px solid transparent;
            transition: var(--transition);
            box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
        }

        .btn-accent:hover {
            background: transparent;
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, .7);
            font-weight: 600;
            padding: 12px 26px;
            border-radius: 100px;
            font-size: 15px;
            transition: var(--transition);
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .14);
            color: #fff;
            border-color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark);
            color: #a6a9c2;
            padding: 70px 0 0;
            font-size: 14px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo-icon {
            width: 40px;
            height: 40px;
            font-size: 14px;
        }

        .footer-desc {
            color: #8e91ad;
            line-height: 1.8;
            margin: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #a6a9c2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #8e91ad;
            margin-top: 40px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .site-header {
                width: auto;
                margin: 12px 16px 0;
            }

            .dock-nav {
                padding: 8px 8px 8px 16px;
                flex-wrap: wrap;
            }

            .dock-menu {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 18px;
                padding: 10px;
                box-shadow: var(--shadow-lg);
                margin: 0;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: opacity .3s, transform .3s, visibility .3s;
            }

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

            .dock-link {
                width: 100%;
                padding: 12px 14px;
                border-radius: 12px;
                justify-content: center;
            }

            .dock-cta {
                margin-left: auto;
            }

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

            .page-banner {
                padding: 80px 0 70px;
            }

            .page-banner h1 {
                font-size: 34px;
            }

            .section {
                padding: 64px 0;
            }

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

            .cta-box {
                padding: 56px 28px;
            }

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

        @media (max-width: 767.98px) {
            .site-header {
                margin: 10px 12px 0;
            }

            .site-logo {
                font-size: 15px;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 11px;
            }

            .dock-cta {
                font-size: 13px;
                padding: 8px 14px;
            }

            .dock-toggle {
                width: 38px;
                height: 38px;
            }

            .page-banner h1 {
                font-size: 29px;
            }

            .page-banner .lead {
                font-size: 15px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .section {
                padding: 48px 0;
            }

            .steps-section {
                padding: 48px 0;
            }

            .cta-section {
                padding: 48px 0;
            }

            .cta-box {
                padding: 44px 20px;
                border-radius: 18px;
            }

            .cta-inner h2 {
                font-size: 24px;
            }

            .btn-accent,
            .btn-outline-light-custom {
                width: 100%;
                justify-content: center;
            }

            .page-banner {
                padding: 64px 0 56px;
                border-radius: 0;
            }
        }