/* roulang page: index */
:root {
            --primary: #0F2C59;
            --primary-dark: #0A192F;
            --accent: #C5A880;
            --accent-hover: #b39366;
            --success: #1B7F5A;
            --danger: #DC2626;
            --bg-main: #F8F9FA;
            --bg-alt: #F0F4F8;
            --text-heading: #1E293B;
            --text-body: #334155;
            --text-muted: #64748B;
            --white: #FFFFFF;
            --border: #E2E8F0;
            --shadow-sm: 0 2px 4px rgba(15, 44, 89, 0.04);
            --shadow-md: 0 4px 6px -1px rgba(15, 44, 89, 0.06), 0 2px 4px -2px rgba(15, 44, 89, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(15, 44, 89, 0.08), 0 4px 6px -2px rgba(15, 44, 89, 0.04);
            --radius: 8px;
            --transition: all 0.25s ease-in-out;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部通栏 */
        .topbar {
            background-color: var(--primary-dark);
            color: #94A3B8;
            font-size: 0.85rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .topbar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 38px;
        }
        .topbar-info span {
            margin-right: 20px;
        }

        /* 主导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-emblem {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            font-weight: 700;
            font-size: 1.2rem;
            border: 1px solid var(--accent);
        }
        .brand-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .brand-title small {
            font-size: 0.75rem;
            color: var(--accent);
            display: block;
            font-weight: 500;
            letter-spacing: 0.05em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-link {
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            padding: 8px 0;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-accent {
            background-color: var(--accent);
            color: var(--white);
        }
        .btn-accent:hover {
            background-color: var(--accent-hover);
            box-shadow: 0 4px 12px rgba(197, 168, 128, 0.35);
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background-color: #173e79;
        }
        .btn-outline {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background-color: var(--primary);
            color: var(--white);
        }

        /* 移动端汉堡按钮 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }

        /* 统一板块样式 */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background-color: var(--bg-alt);
        }
        .section-dark {
            background-color: var(--primary-dark);
            color: #E2E8F0;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(197, 168, 128, 0.12);
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 8px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .section-dark .section-tag {
            background: rgba(197, 168, 128, 0.2);
        }
        .section-title {
            font-size: 2rem;
            color: var(--text-heading);
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .section-dark .section-title {
            color: var(--white);
        }
        .section-desc {
            color: var(--text-muted);
            max-width: 820px;
            font-size: 1rem;
            line-height: 1.7;
        }
        .section-dark .section-desc {
            color: #94A3B8;
        }

        /* 板块 1: Hero（优惠券墙与专项补贴） */
        .hero-section {
            background: linear-gradient(rgba(15, 44, 89, 0.92), rgba(10, 25, 47, 0.96)), url('/assets/images/b8020a2b5ce6e1ad.jpg') center/cover no-repeat;
            color: var(--white);
            padding: 80px 0 60px 0;
        }
        .hero-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.5rem;
            line-height: 1.25;
            margin-bottom: 18px;
            font-weight: 700;
        }
        .hero-content p {
            font-size: 1.05rem;
            color: #CBD5E1;
            margin-bottom: 24px;
        }
        .hero-btn-group {
            display: flex;
            gap: 16px;
            margin-bottom: 24px;
        }
        .coupon-wall {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(197, 168, 128, 0.3);
            border-radius: var(--radius);
            padding: 24px;
            backdrop-filter: blur(10px);
        }
        .coupon-banner {
            background: linear-gradient(135deg, #243B55 0%, #141E30 100%);
            border: 1px dashed var(--accent);
            border-radius: 6px;
            padding: 20px;
            margin-bottom: 16px;
            position: relative;
        }
        .coupon-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 4px;
        }
        .coupon-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 6px;
        }
        .coupon-desc {
            font-size: 0.85rem;
            color: #E2E8F0;
        }
        .coupon-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .coupon-subcard {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            padding: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .coupon-sub-txt strong {
            display: block;
            color: var(--white);
            font-size: 0.9rem;
        }
        .coupon-sub-txt span {
            font-size: 0.75rem;
            color: #94A3B8;
        }

        /* 板块 2: 指标看板 */
        .metrics-bar {
            background: var(--white);
            border-radius: var(--radius);
            margin-top: -36px;
            position: relative;
            z-index: 10;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            padding: 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .metric-item {
            text-align: center;
            border-right: 1px solid var(--border);
        }
        .metric-item:last-child {
            border-right: none;
        }
        .metric-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .metric-num span {
            font-size: 1.1rem;
            color: var(--accent);
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 板块 3: 体系介绍 */
        .about-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }
        .about-img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .service-tree-item {
            display: flex;
            gap: 16px;
            margin-bottom: 20px;
        }
        .tree-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(15, 44, 89, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* 板块 4: 服务矩阵 */
        .grid-3col {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .advantage-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .advantage-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }
        .card-icon-box {
            width: 44px;
            height: 44px;
            border-radius: 6px;
            background: var(--bg-alt);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .advantage-card h3 {
            font-size: 1.2rem;
            color: var(--text-heading);
            margin-bottom: 10px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .advantage-meta {
            font-size: 0.8rem;
            color: var(--primary);
            border-top: 1px dashed var(--border);
            padding-top: 12px;
            display: flex;
            justify-content: space-between;
        }

        /* 板块 5: 核心热门产品 */
        .hot-pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: center;
        }
        .pricing-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            position: relative;
        }
        .pricing-card.featured {
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
        }
        .card-hot-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: var(--white);
            padding: 3px 14px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .pricing-header h3 {
            font-size: 1.35rem;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .pricing-term {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .pricing-list {
            list-style: none;
            margin-bottom: 24px;
            text-align: left;
        }
        .pricing-list li {
            font-size: 0.88rem;
            color: var(--text-body);
            padding: 8px 0;
            border-bottom: 1px solid #F1F5F9;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-list li::before {
            content: "✓";
            color: var(--success);
            font-weight: bold;
        }

        /* 板块 6: 结果对比区 */
        .comparison-table-wrap {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }
        .comp-table th, .comp-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
        }
        .comp-table th {
            background-color: #F8FAFC;
            font-size: 1rem;
            color: var(--primary);
        }
        .comp-dim {
            font-weight: 600;
            width: 24%;
            color: var(--text-heading);
        }
        .comp-trad {
            width: 38%;
            color: var(--text-muted);
            background-color: #FFFDFD;
        }
        .comp-plat {
            width: 38%;
            color: var(--primary);
            font-weight: 600;
            background-color: #FAFBFD;
        }

        /* 板块 7: 维权案例展示区 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-dark-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 24px;
            transition: var(--transition);
        }
        .case-dark-card:hover {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.08);
        }
        .case-type-badge {
            font-size: 0.75rem;
            background: rgba(197, 168, 128, 0.25);
            color: var(--accent);
            padding: 3px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }
        .case-dark-card h3 {
            color: var(--white);
            font-size: 1.15rem;
            margin-bottom: 10px;
        }
        .case-dark-card p {
            color: #94A3B8;
            font-size: 0.88rem;
            margin-bottom: 16px;
        }
        .case-outcome {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 12px;
            font-size: 0.85rem;
            color: #38BDF8;
        }

        /* 板块 8: 里程碑流程 */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }
        .step-node {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 16px;
            text-align: center;
            position: relative;
        }
        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            border: 2px solid var(--accent);
        }
        .step-node h4 {
            font-size: 1.05rem;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .step-node p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 板块 9: 合规用户故事 */
        .story-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .story-img-wrap {
            border-radius: var(--radius);
            overflow: hidden;
        }
        .story-content h3 {
            font-size: 1.4rem;
            color: var(--text-heading);
            margin-bottom: 14px;
        }
        .story-stat-row {
            display: flex;
            gap: 24px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px dashed var(--border);
        }
        .story-stat strong {
            display: block;
            font-size: 1.4rem;
            color: var(--primary);
        }
        .story-stat span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 板块 10: 客观评价 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .quote-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .quote-stars {
            color: #F59E0B;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .quote-text {
            font-size: 0.92rem;
            color: var(--text-body);
            margin-bottom: 16px;
            font-style: italic;
        }
        .quote-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }
        .quote-role {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 板块 11: 行业动态资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .news-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-card h3 {
            font-size: 1.15rem;
            color: var(--text-heading);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .news-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .news-link {
            font-size: 0.85rem;
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
        }

        /* 板块 12: FAQ 手风琴 */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #FAFAFA;
        }
        .faq-question:hover {
            background: #F1F5F9;
        }
        .faq-icon {
            font-size: 1.2rem;
            color: var(--accent);
            transition: transform 0.3s;
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--text-body);
            display: none;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* 板块 13: 转化表单区 */
        .lead-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow-md);
        }
        .lead-policy h3 {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .lead-policy-list {
            list-style: none;
            margin-bottom: 24px;
        }
        .lead-policy-list li {
            padding: 8px 0;
            color: var(--text-body);
            font-size: 0.92rem;
        }
        .form-box {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-heading);
        }
        .form-control {
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(197, 168, 128, 0.2);
        }
        .form-checkbox {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--primary-dark);
            color: #94A3B8;
            padding: 60px 0 24px 0;
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 1.05rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 0.8rem;
            color: #64748B;
        }

        /* 响应式样式 */
        @media (max-width: 1024px) {
            .hero-wrap, .about-wrap, .story-box, .lead-grid {
                grid-template-columns: 1fr;
            }
            .grid-3col, .cases-grid, .testimonials-grid, .news-grid, .hot-pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-timeline {
                grid-template-columns: repeat(3, 1fr);
            }
            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .metric-item:nth-child(2) {
                border-right: none;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .topbar {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
            }
            .main-nav.show {
                display: flex;
            }
            .grid-3col, .cases-grid, .testimonials-grid, .news-grid, .hot-pricing-grid {
                grid-template-columns: 1fr;
            }
            .pricing-card.featured {
                transform: none;
            }
            .step-timeline {
                grid-template-columns: 1fr;
            }
            .metrics-bar {
                grid-template-columns: 1fr;
            }
            .metric-item {
                border-right: none;
                border-bottom: 1px solid var(--border);
                padding-bottom: 12px;
            }
            .metric-item:last-child {
                border-bottom: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 1.85rem;
            }
            .comp-table th, .comp-table td {
                padding: 10px 12px;
                font-size: 0.85rem;
            }
        }