/* roulang page: index */
:root {
            --color-primary: #d9452c;
            --color-primary-dark: #b5341f;
            --color-ink: #0f172a;
            --color-ink-light: #1e293b;
            --color-soft: #f4f6f9;
            --color-border: #e2e8f0;
            --color-muted: #64748b;
            --color-accent: #f0b90b;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.08);
            --shadow-hover: 0 16px 40px rgba(15, 23, 42, 0.14);
            --transition: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background: #ffffff;
            color: var(--color-ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 22px;
        }
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--color-soft);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(217, 69, 44, 0.1);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 6px 18px;
            border-radius: 30px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--color-ink);
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-muted);
            margin-top: 14px;
        }

        /* 顶部信息条 */
        .topbar {
            background: var(--color-ink);
            color: #94a3b8;
            font-size: 13px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 8px 0;
        }
        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .topbar-inner .domain-badge {
            color: #e2e8f0;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .topbar-inner .topbar-tip {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .topbar-inner .topbar-tip span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topbar-inner .topbar-tip i {
            color: var(--color-accent);
        }

        /* 主导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 22px;
            max-width: 1220px;
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-primary), #e8732c);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 900;
            box-shadow: 0 6px 16px rgba(217, 69, 44, 0.3);
        }
        .logo-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-ink);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .logo-sub {
            display: block;
            font-size: 11px;
            font-weight: 500;
            color: var(--color-muted);
            letter-spacing: 2px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 600;
            color: #334155;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            background: rgba(217, 69, 44, 0.08);
            color: var(--color-primary);
        }
        .nav-link.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(217, 69, 44, 0.3);
        }
        .header-cta {
            flex-shrink: 0;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 14px;
            font-weight: 700;
            border-radius: 10px;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(217, 69, 44, 0.25);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 69, 44, 0.35);
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--color-ink);
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
        }
        .btn-light:hover {
            background: var(--color-accent);
            color: var(--color-ink);
            transform: translateY(-2px);
        }
        .btn:focus-visible,
        .nav-link:focus-visible {
            outline: 3px solid rgba(217, 69, 44, 0.4);
            outline-offset: 2px;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 660px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-color: var(--color-ink);
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(10, 16, 28, 0.92) 15%, rgba(10, 16, 28, 0.72) 50%, rgba(10, 16, 28, 0.4) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 840px;
            padding: 90px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(240, 185, 11, 0.15);
            border: 1px solid rgba(240, 185, 11, 0.35);
            color: #f6d88a;
            font-size: 13px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 185, 11, 0.2);
        }
        .hero h1 {
            font-size: 54px;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }
        .hero h1 .accent {
            color: var(--color-accent);
        }
        .hero p.lead {
            font-size: 18px;
            color: #cbd5e1;
            max-width: 640px;
            margin-bottom: 34px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
            max-width: 640px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 32px;
        }
        .hero-stat {
            padding: 8px 0;
        }
        .hero-stat .num {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            font-variant-numeric: tabular-nums;
        }
        .hero-stat .label {
            font-size: 13px;
            color: #94a3b8;
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        /* 快捷入口卡片 */
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .quick-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .quick-card::after {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 4px;
            height: 100%;
            background: var(--color-primary);
            opacity: 0;
            transition: var(--transition);
        }
        .quick-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(217, 69, 44, 0.3);
        }
        .quick-card:hover::after {
            opacity: 1;
        }
        .quick-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            background: rgba(217, 69, 44, 0.1);
            color: var(--color-primary);
        }
        .quick-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .quick-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
        }

        /* 核心内容分栏 */
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .split-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }
        .split-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .split-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.5));
        }
        .split-content h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            margin-top: 12px;
            margin-bottom: 16px;
        }
        .split-content p {
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .feature-list {
            margin-top: 24px;
            display: grid;
            gap: 14px;
        }
        .feature-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 16px;
            border-radius: 12px;
            background: var(--color-soft);
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .feature-item:hover {
            border-color: rgba(217, 69, 44, 0.2);
            background: rgba(217, 69, 44, 0.04);
        }
        .feature-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #fff;
            font-size: 15px;
        }
        .feature-text h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .feature-text p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* 分类卡片 */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .category-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            position: relative;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .category-image {
            position: relative;
            height: 260px;
            overflow: hidden;
        }
        .category-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .category-image img {
            transform: scale(1.05);
        }
        .category-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.7));
        }
        .category-badge {
            position: absolute;
            top: 18px;
            left: 18px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            color: var(--color-ink);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            backdrop-filter: blur(6px);
        }
        .category-body {
            padding: 28px;
        }
        .category-body h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .category-body p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .category-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-link:hover {
            gap: 12px;
        }

        /* 流程 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            position: relative;
            text-align: left;
            transition: var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .step-num {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--color-ink);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: 4px 4px 0 rgba(217, 69, 44, 0.4);
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.7;
        }

        /* 资讯列表 */
        .news-wrapper {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .news-main-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .news-main-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .news-main-card .news-img {
            height: 300px;
            background: url('/assets/images/coverpic/cover-2.png') center center / cover no-repeat;
            position: relative;
        }
        .news-main-card .news-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, 0.6));
        }
        .news-main-card .news-body {
            padding: 24px;
        }
        .news-main-card .news-body h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .news-main-card .news-body p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
        }
        .news-list {
            display: grid;
            gap: 12px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            transition: var(--transition);
        }
        .news-item:hover {
            border-color: rgba(217, 69, 44, 0.35);
            box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
            transform: translateX(4px);
        }
        .news-item .news-tag {
            flex-shrink: 0;
            background: rgba(217, 69, 44, 0.1);
            color: var(--color-primary);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 6px;
            white-space: nowrap;
            margin-top: 2px;
        }
        .news-item .news-info h4 {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .news-item .news-info h4:hover {
            color: var(--color-primary);
        }
        .news-item .news-info p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-date {
            font-size: 12px;
            color: #94a3b8;
            margin-top: 6px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 深色信息面板 */
        .dark-panel {
            background: var(--color-ink);
            border-radius: 24px;
            color: #fff;
            overflow: hidden;
            position: relative;
        }
        .dark-panel::before {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(217, 69, 44, 0.35), transparent 70%);
        }
        .dark-panel .panel-inner {
            position: relative;
            z-index: 2;
            padding: 60px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .panel-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .panel-desc {
            color: #94a3b8;
            line-height: 1.8;
            margin-bottom: 24px;
            font-size: 14px;
        }
        .panel-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .tech-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 26px 22px;
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }
        .tech-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }
        .tech-card .tech-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(240, 185, 11, 0.15);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
        }
        .tech-card h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .tech-card p {
            font-size: 12px;
            color: #94a3b8;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 26px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(217, 69, 44, 0.25);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
        }
        .faq-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            gap: 10px;
        }
        .faq-item h3::before {
            content: 'Q';
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .faq-item p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.75;
            padding-left: 36px;
        }

        /* CTA */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-radius: 24px;
            overflow: hidden;
            padding: 70px 50px;
            text-align: center;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 16, 28, 0.75);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-inner p {
            color: #cbd5e1;
            margin-bottom: 30px;
            font-size: 16px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--color-ink);
            color: #94a3b8;
            padding: 70px 0 30px;
            margin-top: 90px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo-title {
            color: #fff;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            margin-top: 18px;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #94a3b8;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 26px;
            font-size: 13px;
            flex-wrap: wrap;
        }
        .footer-bottom .domain {
            color: #64748b;
            font-family: monospace;
            letter-spacing: 0.5px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .section {
                padding: 70px 0;
            }
            .hero h1 {
                font-size: 42px;
            }
            .split-grid {
                gap: 40px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dark-panel .panel-inner {
                padding: 40px;
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 12px;
            }
            .main-nav {
                order: 3;
                flex-basis: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 6px;
                margin-top: 4px;
                gap: 4px;
            }
            .nav-link {
                padding: 8px 14px;
                font-size: 14px;
            }
            .header-cta {
                margin-left: auto;
            }
            .hero {
                min-height: auto;
            }
            .hero-content {
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero p.lead {
                font-size: 15px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-stat .num {
                font-size: 20px;
            }
            .quick-grid,
            .category-grid {
                grid-template-columns: 1fr;
            }
            .split-grid {
                grid-template-columns: 1fr;
            }
            .split-image img {
                height: 280px;
            }
            .news-wrapper {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .tech-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 50px 24px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .topbar-tip span:last-child {
                display: none;
            }
            .hero h1 {
                font-size: 27px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .hero-stat {
                display: flex;
                align-items: baseline;
                gap: 14px;
            }
            .hero-stat .label {
                margin-top: 0;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .split-content h2 {
                font-size: 24px;
            }
            .category-body h3 {
                font-size: 19px;
            }
            .dark-panel .panel-inner {
                padding: 30px 20px;
            }
            .panel-title {
                font-size: 24px;
            }
            .faq-item {
                padding: 20px 16px;
            }
            .faq-item p {
                padding-left: 0;
                margin-top: 8px;
            }
            .cta-section {
                padding: 40px 20px;
            }
        }

/* roulang page: article */
:root {
  --primary: #dc2626;
  --primary-dark: #b91c1c;
  --primary-light: #fef2f2;
  --bg: #f8fafc;
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --border: #e2e8f0;
  --radius: 1rem;
  --radius-lg: 1.25rem;
  --shadow: 0 4px 24px rgba(15,23,42,0.06);
  --shadow-lg: 0 12px 40px rgba(15,23,42,0.12);
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

button {
  cursor: pointer;
}

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

.top-bar {
  background: #0f172a;
  color: #94a3b8;
  font-size: 13px;
  padding: 6px 0;
}

.top-bar a {
  color: #e2e8f0;
}

.site-header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(220,38,38,0.3);
  flex-shrink: 0;
}

.logo-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  display: block;
  line-height: 1.2;
  letter-spacing: 0.5px;
}

.logo-sub {
  font-size: 12px;
  color: #94a3b8;
  display: block;
  line-height: 1.2;
}

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

.nav-link {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  transition: all 0.2s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.nav-link:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: #fecaca;
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(220,38,38,0.25);
}

.header-cta .btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 10px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(220,38,38,0.25);
  transition: all 0.2s ease;
  border: none;
}

.header-cta .btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(220,38,38,0.35);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.25s ease;
  border: none;
  line-height: 1.5;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(220,38,38,0.25);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(220,38,38,0.32);
}

.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.page-banner {
  position: relative;
  padding: 80px 0 60px;
  background-image: linear-gradient(135deg, rgba(15,23,42,0.92), rgba(30,41,59,0.78)), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}

.page-banner .banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(220,38,38,0.9);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.page-banner h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.page-banner p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  max-width: 600px;
}

.breadcrumb {
  max-width: var(--container);
  margin: 24px auto 0;
  padding: 0 24px;
  font-size: 14px;
  color: var(--ink-3);
}

.breadcrumb a {
  color: var(--ink-2);
}

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

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

.article-layout {
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 24px;
}

.article-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 48px;
  border: 1px solid var(--border);
}

.article-title {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--ink-3);
}

.article-meta .meta-badge {
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
}

.article-content {
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-2);
}

.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin: 40px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--primary);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin: 32px 0 14px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 28px 0;
}

.article-content ul {
  margin: 20px 0;
  padding-left: 0;
  list-style: none;
}

.article-content ul li {
  padding: 10px 16px 10px 40px;
  background: #f8fafc;
  border-radius: 12px;
  margin-bottom: 10px;
  position: relative;
}

.article-content ul li::before {
  content: '✓';
  position: absolute;
  left: 16px;
  top: 10px;
  color: var(--primary);
  font-weight: 700;
}

.article-content a {
  color: var(--primary);
  text-decoration: underline;
}

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

.article-footer-tags {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f8fafc;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-2);
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.tag-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.back-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.back-home:hover {
  color: var(--primary);
}

.guide-nav-section {
  padding: 64px 0;
}

.section-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}

.section-sub {
  color: var(--ink-3);
  font-size: 16px;
  margin-bottom: 40px;
}

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

.guide-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: block;
}

.guide-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #f97316);
}

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

.guide-card .icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}

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

.guide-card p {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.7;
}

.faq-section {
  padding: 64px 0;
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #f8fafc;
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 14px;
  border: 1px solid transparent;
  transition: border-color 0.2s;
}

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

.faq-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}

.faq-item p {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.8;
}

.cta-section {
  padding: 64px 0;
  position: relative;
  background-image: linear-gradient(135deg, rgba(15,23,42,0.92), rgba(185,28,28,0.85)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  color: #fff;
}

.cta-inner {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}

.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: #94a3b8;
  margin-top: 16px;
}

.footer-col h4 {
  color: #f1f5f9;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col ul a {
  font-size: 14px;
  color: #94a3b8;
  transition: color 0.2s;
}

.footer-col ul a:hover {
  color: #fca5a5;
}

.footer-bottom {
  border-top: 1px solid rgba(148,163,184,0.15);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #64748b;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 900px) {
  .guide-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 10px;
  }
  .main-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .nav-link {
    white-space: nowrap;
    font-size: 14px;
    padding: 6px 14px;
  }
  .header-cta {
    margin-left: auto;
  }
  .page-banner {
    padding: 56px 0 40px;
  }
  .page-banner h1 {
    font-size: 28px;
  }
  .article-card {
    padding: 28px 20px;
  }
  .article-title {
    font-size: 24px;
  }
  .article-content {
    font-size: 16px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .top-bar {
    display: none;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .header-cta .btn-primary {
    padding: 8px 16px;
    font-size: 13px;
  }
  .btn {
    width: 100%;
  }
  .cta-inner h2 {
    font-size: 24px;
  }
  .section-title {
    font-size: 24px;
  }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #0b1120;
            --color-primary-light: #111a2e;
            --color-accent: #e11d48;
            --color-accent-hover: #be123c;
            --color-bg: #f8fafc;
            --color-card: #ffffff;
            --color-text: #1e293b;
            --color-text-light: #64748b;
            --color-border: #e2e8f0;
            --color-surface-dark: #0f172a;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(2, 6, 23, 0.06);
            --shadow-md: 0 8px 30px rgba(2, 6, 23, 0.10);
            --shadow-lg: 0 16px 48px rgba(2, 6, 23, 0.14);
            --spacing-unit: 1rem;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            background: rgba(2, 6, 23, 0.96);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 1px 12px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.75rem 1.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, #e11d48 0%, #f97316 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 14px rgba(225, 29, 72, 0.45);
        }
        .logo-title {
            display: block;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            line-height: 1.2;
            letter-spacing: 0.01em;
        }
        .logo-sub {
            display: block;
            color: #94a3b8;
            font-size: 0.7rem;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .nav-link {
            color: #94a3b8;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.5rem 0.85rem;
            border-radius: 10px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-link.active {
            color: #fff;
            background: rgba(225, 29, 72, 0.16);
            box-shadow: inset 0 0 0 1px rgba(225, 29, 72, 0.35);
        }
        .header-cta {
            flex-shrink: 0;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            font-size: 0.92rem;
            padding: 0.6rem 1.25rem;
            border-radius: 10px;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            cursor: pointer;
            text-align: center;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, #e11d48, #be123c);
            color: #fff;
            box-shadow: 0 4px 16px rgba(225, 29, 72, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(225, 29, 72, 0.45);
            border-color: rgba(255, 255, 255, 0.15);
        }
        .btn-outline {
            background: transparent;
            color: #e2e8f0;
            border-color: rgba(255, 255, 255, 0.3);
        }
        .btn-outline:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: #0f172a;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
        }
        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
            background: #f1f5f9;
        }
        .btn-lg {
            padding: 0.85rem 2rem;
            font-size: 1.05rem;
            border-radius: 12px;
        }

        /* ===== Hero 区域 ===== */
        .hero {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            isolation: isolate;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(2, 6, 23, 0.96) 20%, rgba(2, 6, 23, 0.75) 55%, rgba(225, 29, 72, 0.15) 100%);
            z-index: -1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 32px 32px;
            z-index: -1;
            pointer-events: none;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 3rem;
            align-items: center;
            padding: 5rem 1.5rem;
            color: #fff;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(225, 29, 72, 0.18);
            border: 1px solid rgba(225, 29, 72, 0.4);
            color: #fda4af;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.4rem 0.9rem;
            border-radius: 100px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 1.2rem;
        }
        .hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .hero h1 span {
            color: #f43f5e;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: #cbd5e1;
            max-width: 560px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2.5rem;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            max-width: 480px;
            gap: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 2rem;
        }
        .hero-stat {
            border-left: 2px solid #e11d48;
            padding-left: 1rem;
        }
        .hero-stat strong {
            font-size: 1.5rem;
            font-weight: 800;
            display: block;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat span {
            font-size: 0.82rem;
            color: #94a3b8;
        }
        .hero-panel {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(20px);
            border-radius: var(--radius-lg);
            padding: 2rem;
            position: relative;
            overflow: hidden;
        }
        .hero-panel::before {
            content: 'ATHLETE';
            position: absolute;
            top: -12px;
            right: -8px;
            font-size: 5rem;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.04);
            letter-spacing: -0.04em;
            line-height: 1;
        }
        .hero-panel h3 {
            color: #fff;
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .hero-panel ul {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .hero-panel li {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            color: #cbd5e1;
            font-size: 0.9rem;
        }
        .hero-panel li i {
            color: #f43f5e;
            font-size: 0.85rem;
            width: 20px;
            text-align: center;
        }
        .hero-panel .bar {
            height: 4px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 100px;
            margin-top: 1.2rem;
            overflow: hidden;
            display: block;
        }
        .hero-panel .bar span {
            display: block;
            height: 100%;
            border-radius: 100px;
            background: linear-gradient(90deg, #e11d48, #f97316);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 5.5rem 0;
        }
        .section-alt {
            background: #f1f5f9;
        }
        .section-dark {
            background: var(--color-surface-dark);
            color: #fff;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 3rem;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: #e11d48;
            background: rgba(225, 29, 72, 0.08);
            border: 1px solid rgba(225, 29, 72, 0.18);
            padding: 0.3rem 0.8rem;
            border-radius: 100px;
            margin-bottom: 0.75rem;
        }
        .section-dark .section-tag {
            background: rgba(225, 29, 72, 0.2);
            border-color: rgba(225, 29, 72, 0.4);
        }
        .section-head h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--color-text);
        }
        .section-dark .section-head h2 {
            color: #fff;
        }
        .section-head p {
            color: var(--color-text-light);
            margin-top: 0.75rem;
            font-size: 1rem;
            line-height: 1.7;
        }
        .section-dark .section-head p {
            color: #94a3b8;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #e2e8f0;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-img .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(2, 6, 23, 0.8);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 100px;
            letter-spacing: 0.04em;
        }
        .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.35;
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.65;
            flex: 1;
        }
        .card-body .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--color-border);
            padding-top: 0.85rem;
            font-size: 0.82rem;
            color: var(--color-text-light);
        }
        .card-body .card-meta a {
            color: #e11d48;
            font-weight: 600;
        }
        .card-body .card-meta a:hover {
            text-decoration: underline;
        }

        /* ===== 标签 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.28rem 0.7rem;
            border-radius: 100px;
            background: #f1f5f9;
            color: #475569;
        }
        .badge-red {
            background: rgba(225, 29, 72, 0.1);
            color: #be123c;
        }
        .badge-green {
            background: rgba(16, 185, 129, 0.1);
            color: #047857;
        }

        /* ===== 登录方式 ===== */
        .access-card .card-body {
            gap: 0.6rem;
        }
        .access-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 0.25rem;
        }
        .icon-wrap-red {
            background: rgba(225, 29, 72, 0.12);
            color: #e11d48;
        }
        .icon-wrap-blue {
            background: rgba(59, 130, 246, 0.12);
            color: #2563eb;
        }
        .icon-wrap-orange {
            background: rgba(249, 115, 22, 0.12);
            color: #ea580c;
        }
        .access-card .badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: 0.2rem;
        }

        /* ===== 流程步骤 ===== */
        .steps-wrapper {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.25rem;
        }
        .step-item {
            position: relative;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            text-align: left;
            transition: all 0.3s ease;
        }
        .step-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(225, 29, 72, 0.4);
            transform: translateY(-4px);
        }
        .step-num {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: #f43f5e;
            display: block;
            margin-bottom: 0.6rem;
        }
        .step-item i {
            font-size: 1.5rem;
            color: #f43f5e;
            display: block;
            margin-bottom: 0.85rem;
        }
        .step-item h3 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .step-item p {
            color: #94a3b8;
            font-size: 0.82rem;
            line-height: 1.6;
        }
        .step-arrow {
            position: absolute;
            right: -0.9rem;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.2);
            font-size: 1rem;
            z-index: 2;
        }
        .step-item:last-child .step-arrow {
            display: none;
        }

        /* ===== 安全提示面板 ===== */
        .safety-panel {
            background: linear-gradient(115deg, #0f172a 0%, #1e293b 60%, #334155 100%);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .safety-panel::before {
            content: '';
            position: absolute;
            right: -80px;
            bottom: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(225, 29, 72, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }
        .safety-intro {
            display: flex;
            flex-direction: column;
            justify-content: center;
            border-right: 2px solid rgba(255, 255, 255, 0.1);
            padding-right: 2rem;
        }
        .safety-intro h3 {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            line-height: 1.2;
        }
        .safety-intro p {
            color: #94a3b8;
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .safety-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        .safety-item {
            display: flex;
            gap: 0.75rem;
            padding: 1rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-sm);
            transition: background 0.25s ease, border-color 0.25s ease;
        }
        .safety-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(225, 29, 72, 0.3);
        }
        .safety-item i {
            color: #f43f5e;
            font-size: 1rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .safety-item h4 {
            color: #fff;
            font-size: 0.92rem;
            font-weight: 600;
            margin-bottom: 0.2rem;
        }
        .safety-item p {
            color: #94a3b8;
            font-size: 0.8rem;
            line-height: 1.5;
        }

        /* ===== 资讯列表 ===== */
        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.75rem;
            display: flex;
            gap: 1rem;
            align-items: center;
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(225, 29, 72, 0.25);
        }
        .news-date {
            flex-shrink: 0;
            width: 72px;
            height: 72px;
            background: #f1f5f9;
            border-radius: 14px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 0.78rem;
            color: #64748b;
            border: 1px solid #e2e8f0;
            line-height: 1.2;
        }
        .news-date strong {
            font-size: 1.3rem;
            color: #1e293b;
            font-weight: 800;
        }
        .news-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.3rem;
            transition: color 0.2s ease;
        }
        .news-body h3:hover {
            color: #e11d48;
        }
        .news-body p {
            font-size: 0.86rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin-bottom: 0.4rem;
        }
        .news-body .badge-group {
            display: flex;
            gap: 0.4rem;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
            max-width: 1000px;
            margin: 0 auto;
        }
        details.faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
        }
        details.faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(225, 29, 72, 0.2);
        }
        details.faq-item summary {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            cursor: pointer;
            list-style: none;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--color-text);
            user-select: none;
            line-height: 1.4;
        }
        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(225, 29, 72, 0.1);
            color: #e11d48;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }
        details.faq-item[open] summary .faq-icon {
            background: #e11d48;
            color: #fff;
            transform: rotate(45deg);
        }
        details.faq-item .faq-answer {
            padding: 0.9rem 0 0 2.1rem;
            color: var(--color-text-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            position: relative;
            padding: 5rem 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(2, 6, 23, 0.88);
            z-index: -1;
        }
        .cta-box {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(16px);
            border-radius: var(--radius-lg);
            padding: 3.5rem;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        .cta-box::after {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(225, 29, 72, 0.4) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            color: #fff;
            font-weight: 800;
            margin-bottom: 0.8rem;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .cta-box p {
            color: #cbd5e1;
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto 1.8rem;
            line-height: 1.7;
        }
        .cta-box .btn-group {
            display: flex;
            gap: 0.75rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0b1120;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: #94a3b8;
            padding-top: 3.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            margin-top: 1rem;
            color: #94a3b8;
            max-width: 340px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
        }
        .footer-col a {
            color: #94a3b8;
            font-size: 0.88rem;
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
            font-size: 0.82rem;
            color: #64748b;
        }
        .footer-bottom .domain {
            font-family: monospace;
            letter-spacing: 0.03em;
            padding: 0.2rem 0.6rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            font-size: 0.78rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .steps-wrapper {
                grid-template-columns: repeat(3, 1fr);
                gap: 1rem;
            }
            .step-arrow {
                display: none;
            }
            .safety-panel {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .safety-intro {
                border-right: none;
                border-bottom: 2px solid rgba(255, 255, 255, 0.08);
                padding-right: 0;
                padding-bottom: 1.5rem;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .hero-panel {
                max-width: 560px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
                padding: 0.75rem 1rem;
            }
            .main-nav {
                order: 3;
                width: 100%;
                display: flex;
                overflow-x: auto;
                gap: 0.25rem;
                padding-bottom: 0.25rem;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .main-nav::-webkit-scrollbar {
                display: none;
            }
            .nav-link {
                flex-shrink: 0;
                padding: 0.4rem 0.7rem;
                font-size: 0.84rem;
            }
            .header-cta {
                display: none;
            }
            .hero {
                min-height: auto;
                background-attachment: scroll;
            }
            .hero-content {
                padding: 3.5rem 1.25rem;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.5rem;
            }
            .hero-stat strong {
                font-size: 1.15rem;
            }
            .section {
                padding: 3.5rem 0;
            }
            .section-head {
                margin-bottom: 2rem;
            }
            .steps-wrapper {
                grid-template-columns: 1fr 1fr;
            }
            .safety-list {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }
            .cta-box {
                padding: 2rem 1.5rem;
            }
            .news-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-date {
                width: auto;
                height: auto;
                padding: 0.3rem 0.8rem;
                flex-direction: row;
                gap: 0.35rem;
                border-radius: 100px;
            }
            .news-date strong {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .steps-wrapper {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.92rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                grid-template-columns: 1fr;
                gap: 0.8rem;
            }
            .hero-panel {
                padding: 1.5rem;
            }
            .safety-panel {
                padding: 2rem 1.25rem;
            }
        }

        /* ===== 通用动画 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp 0.7s ease both;
        }
        .delay-100 {
            animation-delay: 0.1s;
        }
        .delay-200 {
            animation-delay: 0.2s;
        }
        .delay-300 {
            animation-delay: 0.3s;
        }

        /* ===== 焦点可见性 ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid #f43f5e;
            outline-offset: 2px;
            border-radius: 6px;
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root {
  --color-primary: #dc2626;
  --color-primary-dark: #991b1b;
  --color-secondary: #0f172a;
  --color-accent: #f59e0b;
  --color-bg: #f8fafc;
  --color-card: #ffffff;
  --color-text: #0f172a;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-dark-surface: #1e293b;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);
  --shadow: 0 8px 24px rgba(15, 23, 42, .08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, .12);
  --transition: .22s 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", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; border: none; outline: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(220, 38, 38, .3);
}
.logo-title {
  display: block;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--color-text);
  line-height: 1.2;
}
.logo-sub {
  display: block;
  font-size: 12px;
  color: var(--color-text-light);
  letter-spacing: 2px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: #334155;
  border-radius: 10px;
  transition: all var(--transition);
  position: relative;
}
.nav-link:hover {
  color: var(--color-primary);
  background: rgba(220, 38, 38, .06);
}
.nav-link.active {
  color: var(--color-primary);
  background: rgba(220, 38, 38, .08);
  font-weight: 600;
}
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
}
.header-cta .btn { margin-left: 4px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: #fff;
}
.nav-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--color-text);
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  transition: all var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn i { font-size: 14px; }
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #ef4444);
  color: #fff;
  box-shadow: 0 4px 16px rgba(220, 38, 38, .25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(220, 38, 38, .35);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}
.btn-ghost {
  background: rgba(255, 255, 255, .1);
  color: #fff;
  border-color: rgba(255, 255, 255, .4);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, .2);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 38px; font-size: 17px; }
.btn-light {
  background: #fff;
  color: var(--color-primary-dark);
}
.btn-light:hover {
  background: #fef2f2;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  padding: 130px 0 140px;
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(15, 23, 42, .92) 30%, rgba(15, 23, 42, .55) 80%);
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -100px;
  top: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(220, 38, 38, .35) 0%, transparent 70%);
  border-radius: 50%;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero-content { max-width: 760px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: #fbbf24;
  backdrop-filter: blur(6px);
}
.hero-badge i { font-size: 13px; }
.page-hero h1 {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 800;
  margin: 22px 0 18px;
  line-height: 1.2;
}
.page-hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, .85);
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== 通用版块 ===== */
.section { padding: 70px 0; }
.section-dark {
  background: var(--color-secondary);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(220, 38, 38, .1);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 100px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 34px);
  color: var(--color-text);
  margin-bottom: 10px;
}
.section-head p {
  color: var(--color-text-light);
  font-size: 15px;
}

/* ===== 数据统计 ===== */
.stats-section {
  padding: 50px 0;
  margin-top: -50px;
  position: relative;
  z-index: 5;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border-radius: 14px;
  background: rgba(220, 38, 38, .08);
  color: var(--color-primary);
}
.stat-card h3 {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -1px;
}
.stat-card h3 span { font-size: 18px; margin-left: 2px; }
.stat-card p { font-size: 14px; color: var(--color-text-light); margin-top: 4px; }

/* ===== 卡片网格 ===== */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(220, 38, 38, .2);
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  border-radius: 16px;
  background: rgba(220, 38, 38, .08);
  color: var(--color-primary);
  margin-bottom: 18px;
}
.card-icon.alt1 { background: rgba(245, 158, 11, .1); color: #d97706; }
.card-icon.alt2 { background: rgba(16, 185, 129, .1); color: #059669; }
.card-icon.alt3 { background: rgba(59, 130, 246, .1); color: #3b82f6; }
.card-icon.alt4 { background: rgba(139, 92, 246, .1); color: #8b5cf6; }
.card-icon.alt5 { background: rgba(236, 72, 153, .1); color: #db2777; }
.card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--color-text);
}
.card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}
.card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: 12px;
}
.card .card-link i { font-size: 12px; transition: transform var(--transition); }
.card .card-link:hover i { transform: translateX(4px); }

/* ===== 流程/步骤 ===== */
.process-section { background: var(--color-secondary); position: relative; overflow: hidden; }
.process-section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(220, 38, 38, .2), transparent 70%);
  border-radius: 50%;
}
.process-section .section-head h2 { color: #fff; }
.process-section .section-head p { color: rgba(255, 255, 255, .6); }
.process-section .section-tag { background: rgba(220, 38, 38, .2); color: #fca5a5; }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.step-card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}
.step-card:hover {
  background: rgba(255, 255, 255, .09);
  transform: translateY(-4px);
  border-color: rgba(220, 38, 38, .4);
}
.step-number {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  margin-bottom: 16px;
  box-shadow: 0 4px 14px rgba(220, 38, 38, .4);
}
.step-card h3 { color: #fff; font-size: 18px; margin-bottom: 10px; }
.step-card p { color: rgba(255, 255, 255, .65); font-size: 14px; line-height: 1.8; }

/* ===== 合规展示 ===== */
.compliance-wrap {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.compliance-img { position: relative; min-height: 320px; }
.compliance-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.compliance-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(15,23,42,.3) 0%, transparent 50%);
}
.compliance-content { padding: 40px; }
.compliance-content h3 { font-size: 22px; margin-bottom: 16px; }
.compliance-content p { color: var(--color-text-light); font-size: 14px; line-height: 1.9; margin-bottom: 24px; }
.compliance-list { display: flex; flex-direction: column; gap: 14px; }
.compliance-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: #1e293b;
}
.compliance-list li i {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  border-radius: 50%;
  background: rgba(220, 38, 38, .1);
  color: var(--color-primary);
  margin-top: 2px;
}
.compliance-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.compliance-tags .tag {
  padding: 6px 14px;
  background: #f1f5f9;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: #334155;
}

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: rgba(220, 38, 38, .3); box-shadow: var(--shadow-sm); }
.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
}
.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(--color-text-light);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(180deg); color: var(--color-primary); }
.faq-answer {
  padding: 0 24px 20px;
  color: var(--color-text-light);
  font-size: 14px;
  line-height: 1.9;
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
  margin-top: 0;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, .95) 0%, rgba(30, 41, 59, .88) 100%),
              url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  position: relative;
  text-align: center;
  color: #fff;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(220, 38, 38, .5), transparent 70%);
  border-radius: 50%;
  filter: blur(20px);
}
.cta-section h2 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 15px;
  color: rgba(255, 255, 255, .75);
  max-width: 560px;
  margin: 0 auto 36px;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer { background: var(--color-secondary); color: #cbd5e1; padding: 60px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-sub { color: #64748b; }
.footer-brand p { font-size: 13px; line-height: 1.9; color: #94a3b8; max-width: 320px; margin-top: 12px; }
.footer-col h4 { font-size: 15px; color: #fff; margin-bottom: 18px; font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li a { font-size: 14px; color: #94a3b8; transition: all var(--transition); }
.footer-col li a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  font-size: 13px;
  color: #64748b;
  flex-wrap: wrap;
}
.footer-bottom .domain { letter-spacing: 1px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .header-inner { padding: 0 16px; }
}
@media (max-width: 768px) {
  .page-hero { padding: 80px 0 100px; }
  .section { padding: 56px 0; }
  .stats-section { margin-top: -36px; }
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 72px;
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(255, 255, 255, .98);
    padding: 16px 24px 24px;
    gap: 6px;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all .35s ease;
    z-index: 990;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-link { width: 100%; padding: 12px 16px; }
  .nav-link.active::after { left: 16px; right: auto; width: 40px; height: 3px; }
  .header-cta .btn { padding: 10px 16px; font-size: 14px; }
  .header-cta .btn i { display: none; }
  .compliance-wrap { grid-template-columns: 1fr; }
  .compliance-img { min-height: 220px; }
  .compliance-img img { position: relative; height: 220px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .stats-grid { grid-template-columns: 1fr; }
  .cards-grid-3 { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 30px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
}