/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --primary: #1a5cff;
            --primary-dark: #0a3fcc;
            --primary-light: #e8efff;
            --accent: #ff6a00;
            --accent-dark: #e55a00;
            --accent-light: #fff1e8;
            --bg: #f5f8fc;
            --bg-white: #ffffff;
            --bg-dark: #0b1a2e;
            --text: #14263b;
            --text-weak: #5d6d85;
            --text-light: #93a4ba;
            --border: #e2e9f3;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 10px rgba(20, 38, 59, .06);
            --shadow: 0 10px 32px rgba(20, 38, 59, .09);
            --shadow-lg: 0 20px 56px rgba(20, 38, 59, .13);
            --transition: all .25s ease;
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ============ Reset / Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
            object-fit: cover;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 14px;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        ::placeholder {
            color: var(--text-light);
        }

        /* ============ 容器 ============ */
        .container {
            width: min(1240px, 92%);
            margin-inline: auto;
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            border: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn i {
            font-size: 14px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(26, 92, 255, .3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(26, 92, 255, .4);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(26, 92, 255, .3);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 106, 0, .3);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 106, 0, .4);
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, .18);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(26, 92, 255, .4);
            outline-offset: 2px;
        }

        /* ============ 顶部导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 233, 243, .7);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: grid;
            place-items: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 6px 18px rgba(26, 92, 255, .32);
        }
        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .5px;
            color: var(--text);
            line-height: 1.2;
        }
        .brand-name span {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-weak);
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .main-nav a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(26, 92, 255, .3);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            position: relative;
        }
        .search-box .icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }
        .search-box input {
            width: 180px;
            padding: 9px 16px 9px 38px;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: #f1f5fa;
            color: var(--text);
            font-size: 14px;
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(26, 92, 255, .12);
        }
        .header-login {
            padding: 9px 20px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            color: var(--text);
            background: #f1f5fa;
            border: 1px solid transparent;
        }
        .header-login:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: #fff;
        }
        .header-cta {
            padding: 10px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), #3b7bff);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 6px 18px rgba(26, 92, 255, .28);
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(26, 92, 255, .38);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 110px 0 100px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(6, 18, 39, .88) 0%, rgba(6, 18, 39, .62) 50%, rgba(6, 18, 39, .28) 100%);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            backdrop-filter: blur(8px);
            margin-bottom: 24px;
        }
        .hero-tag i {
            color: #ffc107;
        }
        .hero h1 {
            font-size: 54px;
            line-height: 1.18;
            color: #fff;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            background: linear-gradient(120deg, #ffb347, #ff6a00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .92);
            margin-bottom: 36px;
            max-width: 560px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
        }
        .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat .num span {
            font-size: 20px;
            color: #ffb347;
        }
        .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            margin-top: 4px;
        }

        /* ============ 通用板块 ============ */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ============ 核心特色 ============ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .35s ease;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }
        .feature-card:hover::after {
            transform: scaleX(1);
        }
        .feature-icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            font-size: 24px;
            margin-bottom: 22px;
        }
        .feature-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .feature-icon.orange {
            background: var(--accent-light);
            color: var(--accent);
        }
        .feature-icon.green {
            background: #e4f7ed;
            color: #12b76a;
        }
        .feature-icon.purple {
            background: #f1ebff;
            color: #7a5af8;
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ============ 分类入口 ============ */
        .category-section {
            background: linear-gradient(180deg, var(--bg) 0%, #eef3fa 100%);
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 300px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
        }
        .category-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(6, 18, 39, .82) 100%);
            z-index: 1;
        }
        .category-content {
            position: relative;
            z-index: 2;
            padding: 30px;
            width: 100%;
        }
        .category-content .badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .category-content .badge.blue {
            background: var(--primary);
        }
        .category-content h3 {
            color: #fff;
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .category-content p {
            color: rgba(255, 255, 255, .85);
            font-size: 15px;
            margin-bottom: 18px;
            max-width: 440px;
        }
        .category-content .link-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 600;
            font-size: 14px;
        }
        .category-content .link-more i {
            transition: transform .25s;
        }
        .category-card:hover .link-more i {
            transform: translateX(5px);
        }

        /* ============ 数据统计 ============ */
        .stats-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(26, 92, 255, .25), transparent 70%);
        }
        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 106, 0, .2), transparent 70%);
        }
        .stats-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-card {
            text-align: center;
            padding: 20px 10px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .08);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, .09);
            transform: translateY(-4px);
        }
        .stat-card .icon {
            font-size: 28px;
            margin-bottom: 12px;
            color: #ffb347;
        }
        .stat-card .num {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-card .num sup {
            font-size: 20px;
            color: #ffb347;
        }
        .stat-card .label {
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            margin-top: 6px;
        }

        /* ============ 最新资讯列表 ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .news-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 26px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: rgba(26, 92, 255, .3);
        }
        .news-tag {
            display: inline-block;
            align-self: flex-start;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            font-size: 13px;
            color: var(--text-light);
        }
        .news-meta .more {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .empty-tip {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            color: var(--text-weak);
            font-size: 16px;
        }
        .empty-tip i {
            font-size: 36px;
            color: var(--text-light);
            margin-bottom: 12px;
            display: block;
        }

        /* ============ 使用指南 ============ */
        .process-section {
            background: var(--bg-white);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .process-step {
            text-align: center;
            padding: 30px 20px;
            position: relative;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            background: #fff;
        }
        .process-step .step-num {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: grid;
            place-items: center;
            margin: 0 auto 18px;
            box-shadow: 0 6px 16px rgba(26, 92, 255, .3);
        }
        .process-step .step-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(26, 92, 255, .3);
        }
        .faq-item summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 22px 26px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            list-style: none;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: grid;
            place-items: center;
            flex-shrink: 0;
            transition: transform .3s ease;
            font-size: 14px;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-item .faq-answer {
            padding: 0 26px 22px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 90px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(6, 18, 39, .92), rgba(26, 92, 255, .75));
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 40px;
            color: #fff;
            font-weight: 800;
            margin-bottom: 18px;
        }
        .cta-inner p {
            font-size: 18px;
            color: rgba(255, 255, 255, .88);
            margin-bottom: 36px;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-dark);
            color: #93a4ba;
            padding: 70px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1.2fr 1.2fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand .brand {
            margin-bottom: 18px;
        }
        .footer-brand .brand .brand-name {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: #93a4ba;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            gap: 10px;
            align-items: center;
            font-size: 14px;
            margin-bottom: 14px;
        }
        .footer-contact i {
            color: var(--accent);
            width: 16px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 28px;
            font-size: 13px;
            color: #5d6d85;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-inner {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .search-box input {
                width: 140px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 8px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, .1);
                border-bottom: 1px solid var(--border);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 14px 20px;
                border-radius: 12px;
                font-size: 16px;
            }
            .nav-toggle {
                display: flex;
            }
            .header-actions .search-box,
            .header-login {
                display: none;
            }
            .hero {
                padding: 80px 0;
            }
            .hero h1 {
                font-size: 38px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-inner {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat .num {
                font-size: 24px;
            }
            .cta-inner h2 {
                font-size: 28px;
            }
            .cta-inner p {
                font-size: 16px;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #12315e;
            --primary-dark: #0b1f3d;
            --primary-light: #1e4a8a;
            --accent: #f5a623;
            --accent-dark: #d98a0b;
            --accent-light: #ffe8c2;
            --bg: #f5f7fb;
            --bg-alt: #eef1f6;
            --white: #ffffff;
            --text: #1c2b3a;
            --text-weak: #5f6f80;
            --border: #e2e8f0;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(18, 49, 94, 0.06);
            --shadow-md: 0 8px 24px rgba(18, 49, 94, 0.10);
            --shadow-lg: 0 16px 40px rgba(18, 49, 94, 0.14);
            --space-section: 88px;
            --transition: all 0.3s ease;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            border: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button {
            border: none;
            outline: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        input {
            border: none;
            outline: none;
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(18, 49, 94, 0.05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(18, 49, 94, 0.25);
        }
        .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .brand-name span {
            color: var(--accent);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: var(--bg-alt);
            color: var(--primary);
        }
        .main-nav a.active {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 12px rgba(18, 49, 94, 0.25);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 0 6px 0 14px;
            height: 40px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            background: var(--white);
            box-shadow: 0 0 0 3px rgba(18, 49, 94, 0.08);
        }
        .search-box .icon {
            color: var(--text-weak);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-box input {
            background: transparent;
            font-size: 14px;
            width: 130px;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: var(--text-weak);
        }
        .header-login {
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            border: 1px solid var(--border);
            background: var(--white);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .header-login:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg);
        }
        .header-cta {
            padding: 10px 18px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.35);
            transition: var(--transition);
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(245, 166, 35, 0.45);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            background: var(--bg);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-alt);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 1024px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.35s ease;
                box-shadow: 0 20px 40px rgba(18, 49, 94, 0.12);
                border-radius: 0 0 16px 16px;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                padding: 14px 16px;
                font-size: 16px;
                border-radius: 10px;
            }
            .search-box {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-login {
                display: none;
            }
        }
        @media (max-width: 600px) {
            .brand-name {
                font-size: 17px;
            }
            .brand-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .header-cta {
                padding: 8px 12px;
                font-size: 13px;
            }
            .header-inner {
                height: 64px;
            }
            .main-nav {
                top: 64px;
            }
        }

        /* ===== Banner ===== */
        .page-banner {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary) 60%, var(--primary-light));
            padding: 90px 0 90px;
            position: relative;
            color: var(--white);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.1;
            filter: blur(60px);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 18px;
            backdrop-filter: blur(8px);
        }
        .page-banner h1 {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-banner h1 span {
            color: var(--accent);
        }
        .page-banner p {
            font-size: 17px;
            max-width: 640px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .banner-ctas {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: 10px;
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 8px 24px rgba(245, 166, 35, 0.35);
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(245, 166, 35, 0.45);
            background: #ffb53a;
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 26px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            color: var(--white);
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
        }
        .banner-stats {
            display: flex;
            gap: 32px;
            margin-top: 44px;
        }
        .banner-stat {
            display: flex;
            flex-direction: column;
        }
        .banner-stat strong {
            font-size: 30px;
            font-weight: 800;
            color: var(--accent);
        }
        .banner-stat span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 70px 0;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .page-banner p {
                font-size: 15px;
            }
            .banner-stats {
                gap: 20px;
                flex-wrap: wrap;
            }
        }

        /* ===== 分类徽章 ===== */
        .category-badges {
            padding: 60px 0 20px;
        }
        .badges-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .badges-row a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .badges-row a:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .badges-row a i {
            color: var(--accent);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 88px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: var(--accent-light);
            color: var(--accent-dark);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 680px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
        }

        /* ===== 入门步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .step-num {
            position: absolute;
            top: 20px;
            right: 22px;
            font-size: 44px;
            font-weight: 900;
            color: var(--bg-alt);
            line-height: 1;
            letter-spacing: -2px;
        }
        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
            box-shadow: 0 6px 16px rgba(18, 49, 94, 0.25);
        }
        .step-card:nth-child(2) .step-icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            box-shadow: 0 6px 16px rgba(245, 166, 35, 0.3);
        }
        .step-card:nth-child(3) .step-icon {
            background: linear-gradient(135deg, #2eb872, #1d9a5e);
            box-shadow: 0 6px 16px rgba(46, 184, 114, 0.3);
        }
        .step-card:nth-child(4) .step-icon {
            background: linear-gradient(135deg, #7b6cf6, #5b4bd6);
            box-shadow: 0 6px 16px rgba(123, 108, 246, 0.3);
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            position: relative;
            z-index: 2;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }
        .step-arrow {
            display: none;
        }

        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 指南文章卡片 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .guide-cover {
            height: 200px;
            position: relative;
            overflow: hidden;
        }
        .guide-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .guide-cover img {
            transform: scale(1.06);
        }
        .guide-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(18, 49, 94, 0.35));
        }
        .guide-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: var(--accent);
            color: var(--white);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 50px;
            box-shadow: 0 4px 10px rgba(245, 166, 35, 0.4);
        }
        .guide-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .guide-body h3 a:hover {
            color: var(--primary);
        }
        .guide-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .guide-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .guide-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .guide-meta i {
            color: var(--accent);
            font-size: 12px;
        }
        .guide-meta .read-more {
            margin-left: auto;
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
        }
        .guide-meta .read-more:hover {
            color: var(--accent);
        }

        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 平台特色 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-item {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 20px;
            background: var(--accent-light);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 20px;
            transition: var(--transition);
        }
        .feature-item:hover .feature-icon {
            background: var(--accent);
            color: var(--white);
            transform: scale(1.05);
        }
        .feature-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
        }

        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 内容列表 ===== */
        .content-list-wrap {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .content-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 28px;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .content-list-item:last-child {
            border-bottom: none;
        }
        .content-list-item:hover {
            background: var(--bg);
        }
        .content-list-num {
            font-size: 20px;
            font-weight: 800;
            color: var(--border);
            min-width: 40px;
            text-align: center;
        }
        .content-list-item:nth-child(1) .content-list-num {
            color: var(--accent);
        }
        .content-list-item:nth-child(2) .content-list-num {
            color: var(--accent);
        }
        .content-list-item:nth-child(3) .content-list-num {
            color: var(--accent);
        }
        .content-list-info {
            flex: 1;
        }
        .content-list-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            transition: var(--transition);
        }
        .content-list-info h3 a:hover {
            color: var(--primary);
        }
        .content-list-info p {
            font-size: 13px;
            color: var(--text-weak);
        }
        .content-list-tag {
            font-size: 13px;
            color: var(--primary);
            background: var(--bg);
            padding: 4px 12px;
            border-radius: 20px;
            white-space: nowrap;
        }

        @media (max-width: 600px) {
            .content-list-item {
                padding: 16px;
                gap: 12px;
            }
            .content-list-info h3 {
                font-size: 14px;
            }
            .content-list-tag {
                display: none;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            background: transparent;
            transition: var(--transition);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-light);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 14px;
            color: var(--text-weak);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding: 0 24px 20px 66px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        @media (max-width: 600px) {
            .faq-question {
                padding: 16px;
                font-size: 14px;
            }
            .faq-answer p {
                padding: 0 16px 16px 56px;
                font-size: 14px;
            }
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: var(--accent);
            opacity: 0.08;
            filter: blur(80px);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 14px;
        }
        .cta-content h2 span {
            color: var(--accent);
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        @media (max-width: 600px) {
            .cta-content h2 {
                font-size: 26px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 44px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand .brand-name {
            color: var(--white);
        }
        .footer-brand .brand-name span {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 4px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-links a::before {
            content: '›';
            color: var(--accent);
            font-weight: 700;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 14px;
        }
        .footer-contact li i {
            color: var(--accent);
            width: 20px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 焦点状态 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(245, 166, 35, 0.5);
            outline-offset: 2px;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #ccfbf1;
    --primary-lighter: #f0fdfa;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --bg: #f6f7f9;
    --bg-white: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, .04);
    --shadow: 0 4px 20px rgba(15, 23, 42, .06);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, .1);
    --transition: all .3s ease;
    --font: 'PingFang SC', 'Microsoft YaHei', 'HarmonyOS Sans SC', 'Helvetica Neue', Arial, sans-serif;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input { font-family: inherit; outline: none; }
ul, ol { list-style: none; }

/* ===== 容器 ===== */
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ===== 通用按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    transition: var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(13, 148, 136, .3);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(13, 148, 136, .35); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(13, 148, 136, .3); }
.btn-ghost {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .6);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; transform: translateY(-2px); }
.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary-lighter); transform: translateY(-2px); }
.btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(245, 158, 11, .3);
}
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(245, 158, 11, .35); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 3px solid rgba(13, 148, 136, .35);
    outline-offset: 3px;
}

/* ===== 徽章 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
}
.badge-primary {
    background: var(--primary-lighter);
    color: var(--primary-dark);
    border: 1px solid rgba(13, 148, 136, .15);
}
.badge-accent {
    background: #fffbeb;
    color: var(--accent-dark);
    border: 1px solid rgba(245, 158, 11, .2);
}

/* ===== 导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 24px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-mark {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, #0d9488, #0f766e);
    color: #fff;
    font-size: 20px;
    box-shadow: 0 4px 14px rgba(13, 148, 136, .3);
}
.brand-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -.3px;
    white-space: nowrap;
}
.brand-name span {
    color: var(--primary);
    font-weight: 800;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-left: 30px;
    flex: 1;
}
.main-nav a {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    position: relative;
    padding: 6px 2px;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a.active { color: var(--primary-dark); }
.main-nav a.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 3px;
    border-radius: 2px;
    background: var(--primary);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}
.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 16px;
    width: 220px;
    transition: var(--transition);
}
.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, .1);
    background: #fff;
}
.search-box .icon { color: var(--text-light); font-size: 14px; }
.search-box input {
    border: none;
    background: transparent;
    font-size: 14px;
    width: 100%;
    color: var(--text);
}
.search-box input::placeholder { color: var(--text-light); }
.header-login {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    padding: 8px 12px;
    border-radius: 8px;
    transition: var(--transition);
}
.header-login:hover { color: var(--primary); background: var(--primary-lighter); }
.header-cta {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    background: var(--primary);
    padding: 10px 22px;
    border-radius: 999px;
    box-shadow: 0 4px 14px rgba(13, 148, 136, .28);
    transition: var(--transition);
}
.header-cta:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(13, 148, 136, .35); }
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid var(--border);
    font-size: 18px;
    color: var(--text);
    background: #fff;
    transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 页脚 ===== */
.site-footer {
    background: #0f172a;
    color: #e2e8f0;
    padding: 64px 0 28px;
    margin-top: 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr .8fr 1fr;
    gap: 50px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .brand {
    margin-bottom: 16px;
}
.footer-brand .brand-name {
    color: #fff;
    font-size: 22px;
}
.footer-brand .brand-name span { color: #5eead4; }
.footer-brand .brand-mark {
    background: linear-gradient(135deg, #14b8a6, #0f766e);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: #94a3b8;
    max-width: 360px;
}
.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;
    border-radius: 2px;
    background: var(--primary);
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    font-size: 14px;
    color: #94a3b8;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-links a:hover { color: #5eead4; padding-left: 4px; }
.footer-contact li {
    font-size: 14px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.footer-contact i { color: #5eead4; width: 18px; text-align: center; }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 26px;
    font-size: 13px;
    color: #64748b;
}
.footer-bottom span:last-child { color: #475569; }

/* ===== 文章 Hero ===== */
.article-hero {
    position: relative;
    background: linear-gradient(135deg, rgba(15, 23, 42, .88), rgba(13, 148, 136, .72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding: 72px 0 64px;
    color: #fff;
}
.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(15, 23, 42, .2) 0%, transparent 100%);
    pointer-events: none;
}
.article-hero .container {
    position: relative;
    z-index: 1;
    max-width: 960px;
}
.article-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, .75);
    margin-bottom: 24px;
}
.article-breadcrumb a {
    color: rgba(255, 255, 255, .65);
    transition: var(--transition);
}
.article-breadcrumb a:hover { color: #fff; }
.article-breadcrumb .sep { opacity: .5; }
.article-breadcrumb .current { color: #fff; font-weight: 600; }
.article-hero h1 {
    font-size: 40px;
    font-weight: 900;
    line-height: 1.25;
    max-width: 800px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, .2);
    word-break: break-word;
}
.article-hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 22px;
}
.article-hero-meta .badge {
    background: rgba(255, 255, 255, .18);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .25);
    backdrop-filter: blur(4px);
}
.article-hero-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    color: rgba(255, 255, 255, .8);
}

/* ===== 文章正文区 ===== */
.article-main-section {
    padding: 56px 0 28px;
    background: var(--bg);
}
.article-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 36px;
    align-items: start;
}
.article-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 42px 48px;
    border: 1px solid rgba(226, 232, 240, .6);
}
.article-meta-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}
.article-source {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
}
.article-source i { color: var(--primary); }
.article-excerpt {
    font-size: 17px;
    line-height: 1.85;
    color: var(--text-muted);
    background: var(--primary-lighter);
    border-left: 4px solid var(--primary);
    padding: 18px 22px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 32px;
}
.article-body {
    font-size: 16px;
    line-height: 1.9;
    color: #334155;
}
.article-body p { margin-bottom: 20px; }
.article-body h2 {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    margin: 36px 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}
.article-body h3 {
    font-size: 21px;
    font-weight: 700;
    color: var(--text);
    margin: 28px 0 14px;
}
.article-body h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 24px 0 12px;
}
.article-body img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin: 28px 0;
}
.article-body ul, .article-body ol {
    margin: 0 0 22px;
    padding-left: 1.6em;
}
.article-body ul li { list-style: disc; margin-bottom: 8px; }
.article-body ol li { list-style: decimal; margin-bottom: 8px; }
.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-lighter);
    padding: 18px 24px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 28px 0;
    color: var(--text-muted);
    font-style: italic;
}
.article-body code {
    background: #f1f5f9;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: .9em;
    color: #0f766e;
    font-family: 'SFMono-Regular', Consolas, monospace;
}
.article-body pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 22px 24px;
    border-radius: var(--radius);
    overflow-x: auto;
    margin: 24px 0;
    font-size: 14px;
    line-height: 1.7;
}
.article-body pre code { background: none; color: inherit; padding: 0; }
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}
.article-body th {
    background: var(--primary-lighter);
    font-weight: 700;
    text-align: left;
    padding: 12px 16px;
    border: 1px solid var(--border);
    color: var(--primary-dark);
}
.article-body td {
    padding: 11px 16px;
    border: 1px solid var(--border);
}
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--primary-dark); }
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 34px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    border-radius: 999px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition);
}
.tag:hover { background: var(--primary-lighter); color: var(--primary-dark); border-color: rgba(13, 148, 136, .3); }
.article-bottom-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.article-bottom-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--bg);
    transition: var(--transition);
}
.article-bottom-nav a:hover { background: var(--primary-lighter); color: var(--primary-dark); }

/* ===== 侧边栏 ===== */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 100px;
}
.sidebar-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 28px;
    border: 1px solid rgba(226, 232, 240, .6);
}
.sidebar-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}
.sidebar-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 3px;
    border-radius: 2px;
    background: var(--primary);
}
.sidebar-list li { margin-bottom: 14px; }
.sidebar-list li:last-child { margin-bottom: 0; }
.sidebar-list a {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    line-height: 1.55;
    transition: var(--transition);
}
.sidebar-list a::before {
    content: '\f138';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 13px;
    color: var(--primary);
    margin-top: 3px;
    flex-shrink: 0;
}
.sidebar-list a:hover { color: var(--primary-dark); transform: translateX(4px); }
.sidebar-service {
    background: linear-gradient(140deg, #f0fdfa, #ffffff);
    border: 1px solid rgba(13, 148, 136, .12);
}
.sidebar-service-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
    box-shadow: 0 4px 14px rgba(13, 148, 136, .3);
}
.sidebar-service p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 18px;
}
.sidebar-service .btn {
    padding: 10px 24px;
    font-size: 14px;
}

/* ===== 内容未找到 ===== */
.not-found {
    text-align: center;
    padding: 60px 20px;
}
.not-found-icon {
    font-size: 56px;
    color: var(--text-light);
    margin-bottom: 22px;
}
.not-found h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
}
.not-found p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 28px;
}
.not-found .btn { margin: 0 6px; }

/* ===== 相关推荐 ===== */
.related-section {
    padding: 56px 0;
    background: #fff;
    border-top: 1px solid var(--border);
}
.section-head {
    text-align: center;
    margin-bottom: 42px;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-dark);
    background: var(--primary-lighter);
    padding: 7px 18px;
    border-radius: 999px;
    margin-bottom: 14px;
}
.section-head h2 {
    font-size: 30px;
    font-weight: 900;
    color: var(--text);
    line-height: 1.3;
}
.section-head p {
    font-size: 15px;
    color: var(--text-muted);
    margin-top: 10px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.related-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: block;
}
.related-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: rgba(13, 148, 136, .3);
}
.related-cover {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}
.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.related-card:hover .related-cover img { transform: scale(1.06); }
.related-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, .18), transparent 60%);
}
.related-info {
    padding: 22px 24px 24px;
}
.related-info .badge {
    margin-bottom: 12px;
}
.related-info h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--text);
    margin-bottom: 10px;
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card:hover .related-info h3 { color: var(--primary-dark); }
.related-info .related-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
}

/* ===== 平台服务 ===== */
.feature-section {
    padding: 64px 0;
    background: var(--bg);
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 32px 28px;
    border: 1px solid rgba(226, 232, 240, .6);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}
.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: rgba(13, 148, 136, .25);
}
.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}
.feature-icon.p1 { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.feature-icon.p2 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.feature-icon.p3 { background: linear-gradient(135deg, #6366f1, #4f46e5); }
.feature-icon.p4 { background: linear-gradient(135deg, #ef4444, #dc2626); }
.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    background: linear-gradient(135deg, #0f172a, rgba(13, 148, 136, .32)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    padding: 70px 0;
    text-align: center;
    color: #fff;
}
.cta-section .container {
    position: relative;
    z-index: 1;
}
.cta-section h2 {
    font-size: 34px;
    font-weight: 900;
    margin-bottom: 14px;
    letter-spacing: -.5px;
}
.cta-section p {
    font-size: 16px;
    color: rgba(255, 255, 255, .85);
    max-width: 560px;
    margin: 0 auto 30px;
    line-height: 1.7;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
    .header-inner { gap: 14px; }
    .main-nav { gap: 22px; margin-left: 12px; }
    .search-box { width: 170px; }
    .article-layout { grid-template-columns: 1fr; }
    .sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
    }
    .sidebar-card { flex: 1 1 280px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media screen and (max-width: 768px) {
    .site-header { position: sticky; }
    .header-inner { height: auto; flex-wrap: wrap; padding: 14px 0; }
    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin: 12px 0 0;
        background: #fff;
        border-radius: var(--radius);
        border: 1px solid var(--border);
        padding: 12px;
        order: 4;
    }
    .main-nav.open { display: flex; }
    .main-nav a {
        padding: 13px 16px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
    }
    .main-nav a:hover { background: var(--primary-lighter); color: var(--primary-dark); }
    .main-nav a.active { background: var(--primary-lighter); color: var(--primary-dark); }
    .main-nav a.active::after { display: none; }
    .header-actions { margin-left: auto; gap: 10px; }
    .search-box { display: none; }
    .header-login { display: none; }
    .header-cta { padding: 9px 18px; font-size: 13px; }
    .nav-toggle { display: inline-flex; }
    .article-hero { padding: 50px 0 46px; }
    .article-hero h1 { font-size: 28px; }
    .article-card { padding: 30px 24px; }
    .article-layout { gap: 24px; }
    .article-excerpt { font-size: 15px; padding: 15px 18px; }
    .article-body { font-size: 15px; }
    .related-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .feature-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .cta-section h2 { font-size: 26px; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}
@media screen and (max-width: 520px) {
    .container { padding: 0 16px; }
    .brand-name { font-size: 17px; }
    .brand-mark { width: 36px; height: 36px; font-size: 16px; border-radius: 10px; }
    .article-hero { padding: 40px 0 38px; }
    .article-hero h1 { font-size: 22px; }
    .article-hero-meta { gap: 10px; }
    .article-card { padding: 22px 16px; border-radius: var(--radius); }
    .article-bottom-nav { flex-direction: column; align-items: stretch; }
    .article-bottom-nav a { justify-content: center; }
    .cta-section { padding: 50px 0; }
    .cta-section h2 { font-size: 22px; }
    .cta-actions .btn { width: 100%; }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #16294a;
            --primary-light: #1f3a63;
            --primary-dark: #0e1b2e;
            --accent: #e8a33d;
            --accent-light: #f0b95a;
            --accent-dark: #c8892e;
            --bg: #f4f6f9;
            --bg-white: #ffffff;
            --bg-dark: #0e1b2e;
            --text: #1a1a2e;
            --text-light: #5c6b7a;
            --text-lighter: #8a97a5;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            background: var(--bg);
            color: var(--text);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 10px rgba(232, 163, 61, 0.3);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-name span {
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(22, 41, 74, 0.06);
        }

        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(22, 41, 74, 0.25);
        }

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

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: 24px;
            padding: 0 14px;
            height: 40px;
            width: 220px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(232, 163, 61, 0.15);
            background: #fff;
        }

        .search-box .icon {
            color: var(--text-lighter);
            font-size: 14px;
            margin-right: 8px;
        }

        .search-box input {
            flex: 1;
            font-size: 14px;
            color: var(--text);
            background: transparent;
        }

        .search-box input::placeholder {
            color: var(--text-lighter);
        }

        .header-login {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 20px;
            transition: var(--transition);
        }

        .header-login:hover {
            color: var(--primary);
            background: rgba(22, 41, 74, 0.06);
        }

        .header-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 24px;
            box-shadow: 0 4px 12px rgba(232, 163, 61, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 163, 61, 0.45);
        }

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--primary);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(22, 41, 74, 0.08);
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 96px 0;
        }

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

        .section-tag {
            display: inline-block;
            background: rgba(232, 163, 61, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 18px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-light);
        }

        /* ===== 页面 Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            overflow: hidden;
            padding: 110px 0 90px;
            text-align: center;
            isolation: isolate;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-1.png") center/cover no-repeat;
            opacity: 0.35;
            z-index: -1;
        }

        .page-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(14, 27, 46, 0.7), rgba(22, 41, 74, 0.85));
            z-index: -1;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 6px 20px;
            border-radius: 24px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }

        .page-banner h1 {
            font-size: 48px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .page-banner p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 32px;
            border-radius: 30px;
            box-shadow: 0 6px 18px rgba(232, 163, 61, 0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(232, 163, 61, 0.5);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            padding: 13px 32px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(6px);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }

        /* ===== 赛事分类入口 ===== */
        .category-grid-section {
            padding: 96px 0 80px;
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .category-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            border: 1px solid var(--border);
            display: block;
        }

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

        .category-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .category-card .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 40%, rgba(14, 27, 46, 0.5));
        }

        .category-card .card-body {
            padding: 22px 24px 26px;
        }

        .category-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .category-card .card-body h3 i {
            color: var(--accent);
            font-size: 18px;
        }

        .category-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        .category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--accent-dark);
            font-size: 14px;
            font-weight: 600;
            margin-top: 14px;
            transition: var(--transition);
        }

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

        /* ===== 焦点赛事 ===== */
        .featured-section {
            background: var(--bg-white);
            padding: 96px 0;
            border-top: 1px solid var(--border);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

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

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

        .match-card .match-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }

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

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

        .match-card .match-status {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(14, 27, 46, 0.7);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .match-card .match-status.live {
            background: rgba(220, 53, 69, 0.85);
        }

        .match-card .match-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .match-card .match-league {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(232, 163, 61, 0.1);
            padding: 4px 14px;
            border-radius: 16px;
            align-self: flex-start;
            margin-bottom: 12px;
        }

        .match-card .match-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .match-card .match-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-lighter);
            margin-top: auto;
        }

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

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            text-align: center;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-2.png") center/cover no-repeat;
            opacity: 0.2;
        }

        .stats-section .container {
            position: relative;
            z-index: 1;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-item .stat-number {
            font-size: 52px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 6px;
            font-family: "Arial", sans-serif;
            letter-spacing: -2px;
        }

        .stat-item .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        /* ===== 赛程时间线 ===== */
        .schedule-section {
            padding: 96px 0;
            background: var(--bg);
        }

        .timeline {
            max-width: 840px;
            margin: 0 auto;
            position: relative;
            padding-left: 40px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--accent), var(--primary-light));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 40px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -34px;
            top: 8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--accent);
        }

        .timeline-item .timeline-date {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-dark);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .timeline-item .timeline-card {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .timeline-item .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .timeline-item .timeline-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .timeline-item .timeline-card p {
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .timeline-item .timeline-card p i {
            color: var(--accent);
        }

        /* ===== 积分榜 ===== */
        .ranking-section {
            background: var(--bg-white);
            padding: 96px 0;
            border-top: 1px solid var(--border);
        }

        .ranking-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .ranking-panel {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px;
        }

        .ranking-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }

        .ranking-panel .panel-header h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ranking-panel .panel-header h3 i {
            color: var(--accent);
        }

        .ranking-panel .panel-header span {
            font-size: 13px;
            color: var(--text-lighter);
            background: var(--bg-white);
            padding: 4px 14px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .ranking-table {
            width: 100%;
            border-collapse: collapse;
        }

        .ranking-table th {
            font-size: 13px;
            color: var(--text-lighter);
            font-weight: 600;
            text-align: left;
            padding: 10px 8px;
            border-bottom: 1px solid var(--border);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .ranking-table td {
            padding: 12px 8px;
            font-size: 14px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            color: var(--text);
        }

        .ranking-table tr:last-child td {
            border-bottom: none;
        }

        .ranking-table tr:hover td {
            background: rgba(232, 163, 61, 0.04);
        }

        .ranking-table .rank-num {
            font-weight: 800;
            color: var(--accent-dark);
            font-size: 16px;
            width: 40px;
        }

        .ranking-table .team-name {
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ranking-table .pts {
            font-weight: 700;
            color: var(--primary);
        }

        .hot-list {
            margin-top: 8px;
        }

        .hot-list .hot-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .hot-item .hot-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }

        .hot-item:nth-child(1) .hot-icon {
            background: linear-gradient(135deg, #e8a33d, #c8892e);
        }

        .hot-item:nth-child(2) .hot-icon {
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
        }

        .hot-item:nth-child(3) .hot-icon {
            background: linear-gradient(135deg, #10b981, #047857);
        }

        .hot-item:nth-child(4) .hot-icon {
            background: linear-gradient(135deg, #8b5cf6, #6d28d9);
        }

        .hot-item .hot-info {
            flex: 1;
        }

        .hot-item .hot-info h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
        }

        .hot-item .hot-info p {
            font-size: 13px;
            color: var(--text-lighter);
        }

        .hot-item .hot-level {
            font-size: 13px;
            color: var(--accent);
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 96px 0;
            background: var(--bg);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

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

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

        .faq-item summary {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
        }

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

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 28px 22px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 96px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-3.png") center/cover no-repeat;
            opacity: 0.15;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 36px;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            padding: 72px 0 24px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-brand .brand .brand-name {
            color: #fff;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            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: 30px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact li {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .header-actions .search-box {
                width: 160px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .header-inner {
                height: 64px;
                gap: 12px;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                display: none;
                z-index: 99;
            }

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

            .main-nav a {
                padding: 12px 20px;
                border-radius: 12px;
                text-align: center;
                font-size: 16px;
            }

            .header-actions .search-box {
                display: none;
            }

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

            .header-cta {
                padding: 8px 18px;
                font-size: 14px;
            }

            .nav-toggle {
                display: flex;
            }

            .page-banner {
                padding: 70px 0 60px;
            }

            .page-banner h1 {
                font-size: 32px;
            }

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

            .section-padding,
            .category-grid-section,
            .featured-section,
            .schedule-section,
            .ranking-section,
            .faq-section,
            .cta-section {
                padding: 60px 0;
            }

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

            .category-grid,
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .timeline {
                padding-left: 28px;
            }

            .timeline::before {
                left: 8px;
            }

            .timeline-item::before {
                left: -25px;
                width: 13px;
                height: 13px;
            }

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

            .stat-item .stat-number {
                font-size: 36px;
            }

            .ranking-panel {
                padding: 18px;
            }

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

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

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

            .brand-name {
                font-size: 17px;
            }

            .header-cta {
                padding: 7px 14px;
                font-size: 13px;
            }

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

            .page-banner p {
                font-size: 14px;
            }

            .banner-actions {
                flex-direction: column;
                align-items: center;
            }

            .btn-primary,
            .btn-ghost {
                width: 100%;
                max-width: 260px;
                justify-content: center;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .stat-item {
                padding: 12px;
            }

            .stat-item .stat-number {
                font-size: 40px;
            }

            .ranking-table th,
            .ranking-table td {
                padding: 8px 4px;
                font-size: 12px;
            }

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

            .faq-item .faq-answer {
                padding: 0 16px 16px;
                font-size: 14px;
            }
        }