/* roulang page: index */
:root {
            --primary-dark: #0b0f19;
            --primary-navy: #0f172a;
            --primary-slate: #1e293b;
            --brand-blue: #0284c7;
            --brand-indigo: #4f46e5;
            --brand-gradient: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #4f46e5 100%);
            --accent-green: #10b981;
            --accent-amber: #f59e0b;
            --accent-rose: #f43f5e;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-color: rgba(226, 232, 240, 0.85);
            --border-card: rgba(203, 213, 225, 0.5);
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-full: 9999px;
            --shadow-subtle: 0 4px 12px -2px rgba(15, 23, 42, 0.04);
            --shadow-card: 0 12px 32px -8px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 20px 40px -12px rgba(2, 132, 199, 0.15);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        body {
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部通栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-color);
        }

        .header-topbar {
            background-color: var(--primary-dark);
            color: var(--text-light);
            font-size: 13px;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .topbar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .pulse-indicator {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            background-color: var(--accent-green);
            border-radius: 50%;
            box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
            animation: pulse-glow 2s infinite;
        }

        @keyframes pulse-glow {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.15); opacity: 1; }
            100% { transform: scale(0.95); opacity: 0.8; }
        }

        .main-navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .brand-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-slate);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }

        .brand-badge {
            background: var(--brand-gradient);
            color: #fff;
            padding: 4px 8px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 700;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            padding: 6px 0;
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--brand-blue);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            border-radius: var(--radius-full);
            padding: 10px 22px;
            cursor: pointer;
            border: 1px solid transparent;
            transition: var(--transition);
            font-size: 15px;
            text-align: center;
        }

        .btn-gradient {
            background: var(--brand-gradient);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
        }

        .btn-gradient:hover {
            opacity: 0.94;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(2, 132, 199, 0.45);
        }

        .btn-outline {
            border-color: #cbd5e1;
            color: var(--primary-slate);
            background: #ffffff;
        }

        .btn-outline:hover {
            border-color: var(--brand-blue);
            color: var(--brand-blue);
            background: rgba(2, 132, 199, 0.04);
        }

        .btn-dark {
            background: var(--primary-slate);
            color: #fff;
        }

        .btn-dark:hover {
            background: var(--primary-dark);
        }

        .badge-chip {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            gap: 6px;
            background: rgba(2, 132, 199, 0.1);
            color: var(--brand-blue);
            border: 1px solid rgba(2, 132, 199, 0.2);
        }

        /* 统一 Section 视觉规范 */
        section {
            padding: 84px 0;
            position: relative;
        }

        .section-header {
            max-width: 820px;
            margin: 0 auto 52px auto;
            text-align: center;
        }

        .section-header.left-aligned {
            margin-left: 0;
            text-align: left;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary-slate);
            letter-spacing: -0.5px;
            margin: 12px 0 16px 0;
            line-height: 1.35;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .bg-white-panel {
            background-color: var(--bg-white);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .bg-dark-panel {
            background-color: var(--primary-dark);
            color: #ffffff;
        }

        .card-panel {
            background: #ffffff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .card-panel:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(2, 132, 199, 0.35);
        }

        /* 板块一：Hero */
        .hero-section {
            padding: 72px 0 84px 0;
            background: linear-gradient(180deg, #f0f7ff 0%, #f8fafc 100%);
            border-bottom: 1px solid var(--border-color);
        }

        .hero-banner-inner {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-title {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            color: var(--primary-slate);
            margin: 20px 0;
            letter-spacing: -1px;
        }

        .hero-highlight {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 36px;
            max-width: 780px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
        }

        .hero-matrix-status {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: #ffffff;
            padding: 24px;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
        }

        .status-cell {
            padding: 12px;
            border-right: 1px solid var(--border-color);
            text-align: left;
        }

        .status-cell:last-child {
            border-right: none;
        }

        .status-cell-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .status-cell-val {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-slate);
        }

        /* 板块二：卖点三连 */
        .grid-trio {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .trio-card {
            padding: 36px 30px;
            position: relative;
            overflow: hidden;
        }

        .trio-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--brand-gradient);
            opacity: 0;
            transition: var(--transition);
        }

        .trio-card:hover::after {
            opacity: 1;
        }

        .card-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: rgba(2, 132, 199, 0.1);
            color: var(--brand-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .trio-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary-slate);
        }

        .trio-text {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.65;
        }

        /* 板块三：入口矩阵 */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .matrix-item {
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .matrix-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary-slate);
        }

        .matrix-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .matrix-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(226, 232, 240, 0.6);
            padding-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-blue);
        }

        /* 板块四：最新发布架构 */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-media {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            background: #fff;
        }

        .release-tag-list {
            list-style: none;
            margin: 24px 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .release-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text-main);
        }

        .release-dot {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 800;
            margin-top: 2px;
            flex-shrink: 0;
        }

        /* 板块五：热门专题方案 */
        .scheme-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scheme-card {
            padding: 32px;
            background: #ffffff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .scheme-card.highlight {
            border-color: var(--brand-blue);
            box-shadow: 0 16px 36px -10px rgba(2, 132, 199, 0.2);
        }

        .scheme-price-wrap {
            margin: 20px 0;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .scheme-subtitle {
            font-size: 14px;
            color: var(--text-muted);
        }

        .scheme-metric {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-slate);
            margin-top: 4px;
        }

        .scheme-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 28px;
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 板块六：资讯动态 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .news-cover {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }

        .news-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-meta {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
        }

        .news-heading {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary-slate);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块七：指标与数据架构看板 */
        .stats-stripe {
            background: linear-gradient(135deg, #0b0f19 0%, #1e293b 100%);
            border-radius: var(--radius-xl);
            padding: 48px;
            color: #ffffff;
        }

        .stats-stripe-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stats-stripe-item {
            position: relative;
        }

        .stats-stripe-item:not(:last-child)::after {
            content: "";
            position: absolute;
            right: -16px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: rgba(255, 255, 255, 0.12);
        }

        .stripe-num {
            font-size: 40px;
            font-weight: 900;
            color: #38bdf8;
            line-height: 1.1;
            margin-bottom: 8px;
            font-feature-settings: "tnum";
        }

        .stripe-name {
            font-size: 14px;
            color: #94a3b8;
            line-height: 1.4;
        }

        /* 板块八：风控效能对比 */
        .comparison-table-wrap {
            overflow-x: auto;
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }

        .comp-table th, .comp-table td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .comp-table th {
            background: #f8fafc;
            font-size: 15px;
            font-weight: 700;
            color: var(--primary-slate);
        }

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

        .comp-table .col-highlight {
            background: rgba(2, 132, 199, 0.03);
            font-weight: 600;
            color: var(--brand-blue);
        }

        /* 板块九：实战集成生态 */
        .eco-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .eco-card {
            padding: 20px;
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .eco-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--primary-slate);
            font-size: 14px;
        }

        /* 板块十：行业口碑 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-quote {
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .reviewer-meta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .reviewer-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .reviewer-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary-slate);
        }

        .reviewer-info p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 板块十一：常见问题问答 */
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            color: var(--primary-slate);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-answer {
            padding: 0 24px 20px 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块十二：私有化与部署接入表单 */
        .contact-cta-wrapper {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-radius: var(--radius-xl);
            padding: 60px 48px;
            color: #ffffff;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .contact-cta-info h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .contact-cta-info p {
            color: #94a3b8;
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .form-card {
            background: #ffffff;
            padding: 32px;
            border-radius: var(--radius-lg);
            color: var(--text-main);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .form-control {
            width: 100%;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid #cbd5e1;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
        }

        /* 页脚规范 */
        .site-footer {
            background: var(--primary-dark);
            color: #94a3b8;
            font-size: 14px;
            padding: 72px 0 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a:hover {
            color: #38bdf8;
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #64748b;
        }

        .icp-info {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        /* 移动端菜单按钮与抽屉 */
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 24px;
            color: var(--primary-slate);
            cursor: pointer;
            padding: 8px;
        }

        /* 响应式断点控制 */
        @media (max-width: 1024px) {
            .hero-title { font-size: 38px; }
            .hero-matrix-status { grid-template-columns: repeat(2, 1fr); }
            .status-cell:nth-child(2) { border-right: none; }
            .grid-trio, .scheme-grid, .news-grid, .reviews-grid { grid-template-columns: 1fr; }
            .matrix-grid, .eco-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-split { grid-template-columns: 1fr; }
            .stats-stripe-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-stripe-item:nth-child(2)::after { display: none; }
            .contact-cta-wrapper { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .header-topbar { display: none; }
            .mobile-toggle { display: block; }
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                border-bottom: 1px solid var(--border-color);
                gap: 16px;
            }
            .nav-menu.active { display: flex; }
            .nav-actions { display: none; }
            .hero-title { font-size: 30px; }
            .hero-matrix-status { grid-template-columns: 1fr; }
            .status-cell { border-right: none; border-bottom: 1px solid var(--border-color); }
            .status-cell:last-child { border-bottom: none; }
            .matrix-grid, .eco-grid { grid-template-columns: 1fr; }
            .stats-stripe-grid { grid-template-columns: 1fr; }
            .stats-stripe-item::after { display: none !important; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
            section { padding: 56px 0; }
        }