/* roulang page: index */
:root {
            --primary: #059669;
            --primary-hover: #047857;
            --primary-light: #ecfdf5;
            --accent: #FF6B00;
            --accent-hover: #e05e00;
            --dark: #0F172A;
            --dark-card: #1E293B;
            --gray-bg: #F8FAFC;
            --gray-alt: #F1F5F9;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border: #E2E8F0;
            --border-dark: #334155;
            --white: #FFFFFF;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
            --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: var(--font-stack);
            color: var(--text-main);
            background-color: var(--gray-bg);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.2s ease;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部状态条与导航 */
        .topbar {
            height: 36px;
            background: var(--dark);
            color: var(--text-light);
            font-size: 12px;
            line-height: 36px;
            border-bottom: 1px solid var(--border-dark);
        }

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

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: #10B981;
            border-radius: 50%;
            box-shadow: 0 0 8px #10B981;
        }

        .topbar-right span {
            margin-left: 20px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            height: 70px;
        }

        .navbar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .brand-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.02em;
        }

        .brand-logo svg {
            width: 28px;
            height: 28px;
            fill: var(--primary);
        }

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

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 0;
            position: relative;
        }

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all 0.2s ease;
            border: 1px solid transparent;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--white);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }

        .btn-outline {
            border-color: var(--border);
            background: var(--white);
            color: var(--text-main);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark);
        }

        /* 基础区块排版 */
        .section-block {
            padding: 80px 0;
            position: relative;
        }

        .section-block.bg-light {
            background-color: var(--gray-bg);
        }

        .section-block.bg-white {
            background-color: var(--white);
        }

        .section-block.bg-alt {
            background-color: var(--gray-alt);
        }

        .section-block.bg-dark {
            background-color: var(--dark);
            color: var(--white);
        }

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
        }

        .section-block.bg-dark .section-tag {
            background: rgba(5, 150, 105, 0.2);
            color: #34D399;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .section-block.bg-dark .section-title {
            color: var(--white);
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-block.bg-dark .section-desc {
            color: var(--text-light);
        }

        /* 板块 1: 首屏看板 */
        .hero-banner {
            position: relative;
            background-color: var(--dark);
            background-image: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.95)), url('/assets/images/d7c477966485dd5f.jpg');
            background-size: cover;
            background-position: center;
            color: var(--white);
            padding: 100px 0 80px;
            overflow: hidden;
        }

        .hero-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .hero-h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .hero-intro {
            font-size: 16px;
            color: #cbd5e1;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .hero-search-box {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 8px;
            display: flex;
            gap: 8px;
            margin-bottom: 24px;
        }

        .hero-search-box input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--white);
            padding: 8px 16px;
            font-size: 14px;
        }

        .hero-search-box input::placeholder {
            color: #94a3b8;
        }

        .hero-tags {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #94a3b8;
        }

        .hero-tags a {
            color: #e2e8f0;
            text-decoration: underline;
        }

        .hero-dashboard-card {
            background: rgba(30, 41, 59, 0.8);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
        }

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

        .indicator-green {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #34D399;
        }

        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .dash-metric-item {
            background: rgba(15, 23, 42, 0.6);
            padding: 16px;
            border-radius: var(--radius-md);
            border-left: 3px solid var(--primary);
        }

        .dash-val {
            font-size: 32px;
            font-weight: 700;
            color: var(--white);
            line-height: 1;
            margin-bottom: 6px;
        }

        .dash-lbl {
            font-size: 12px;
            color: var(--text-light);
        }

        /* 板块 2: 技术底座 */
        .tech-base-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .tech-media-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .tech-specs-list {
            margin-top: 24px;
            display: grid;
            gap: 16px;
        }

        .spec-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .spec-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: bold;
            font-size: 14px;
        }

        /* 板块 3: 核心优势六宫格 */
        .strengths-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .strength-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .strength-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .strength-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }

        .strength-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }

        .strength-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* 板块 4: 产品矩阵 */
        .product-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .product-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .prod-tag {
            font-size: 11px;
            font-weight: 600;
            background: var(--gray-alt);
            color: var(--text-main);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            display: inline-block;
            margin-bottom: 12px;
        }

        .product-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .product-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .prod-specs {
            list-style: none;
            margin-bottom: 28px;
            border-top: 1px dashed var(--border);
            padding-top: 16px;
        }

        .prod-specs li {
            font-size: 13px;
            color: var(--text-main);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .prod-specs li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* 板块 5: 实战压测看板 (深色) */
        .benchmark-wrapper {
            background: var(--dark-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-dark);
            padding: 32px;
        }

        .benchmark-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            color: var(--white);
        }

        .benchmark-table th {
            padding: 16px;
            font-size: 14px;
            color: var(--text-light);
            border-bottom: 1px solid var(--border-dark);
        }

        .benchmark-table td {
            padding: 18px 16px;
            font-size: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .highlight-green {
            color: #34D399;
            font-weight: 600;
        }

        .highlight-orange {
            color: #F87171;
        }

        /* 板块 6: 场景方案 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .scenario-item h4 {
            font-size: 17px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .scenario-sub {
            font-size: 12px;
            color: var(--primary);
            margin-bottom: 14px;
            font-weight: 600;
        }

        .scenario-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块 7: 运营数据全宽条 */
        .telemetry-strip {
            background: var(--primary);
            color: var(--white);
            padding: 48px 0;
        }

        .telemetry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .telemetry-val {
            font-size: 44px;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .telemetry-lbl {
            font-size: 14px;
            opacity: 0.9;
        }

        /* 板块 8: 客户评价 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testi-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .testi-quote {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 20px;
            position: relative;
        }

        .testi-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--gray-alt);
            padding-top: 16px;
        }

        .testi-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gray-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
        }

        .testi-meta h5 {
            font-size: 14px;
            color: var(--dark);
        }

        .testi-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块 9: 资讯前瞻 */
        .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-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .news-img {
            height: 180px;
            overflow: hidden;
        }

        .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-body h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-light);
        }

        /* 板块 10: 合规保障 */
        .compliance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .comp-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .comp-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
        }

        .comp-card h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .comp-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 板块 11: 极速接入步骤 */
        .onboarding-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .steps-col {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .step-item {
            display: flex;
            gap: 16px;
            background: var(--white);
            padding: 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
        }

        .step-index {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 板块 12: 深度技术 FAQ */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-arrow {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
            border-top: 1px solid var(--gray-alt);
            padding-top: 16px;
        }

        .faq-item.active {
            border-color: var(--primary);
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* 板块 13: 商业转化与对接表单 */
        .cta-box-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;gap: 40px;
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 48px;
            box-shadow: var(--shadow-lg);
        }

        .cta-info h3 {
            font-size: 26px;
            color: var(--dark);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .cta-info p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .support-badges {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }

        .support-badge-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-main);
        }

        .support-badge-item svg {
            width: 18px;
            height: 18px;
            fill: var(--primary);
            flex-shrink: 0;
        }

        .lead-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
        }

        .form-group input,
        .form-group select {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--gray-bg);
            color: var(--text-main);
            font-size: 14px;
            outline: none;
            transition: all 0.2s ease;
        }

        .form-group input:focus,
        .form-group select:focus {
            background: var(--white);
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
        }

        /* 全局页脚 */
        .site-footer {
            background: var(--dark);
            color: var(--text-light);
            border-top: 1px solid var(--border-dark);
            padding: 64px 0 32px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand h4 {
            font-size: 18px;
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-brand p {
            line-height: 1.7;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .footer-col h5 {
            font-size: 15px;
            color: var(--white);
            margin-bottom: 16px;
            font-weight: 600;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-light);
            font-size: 13px;
        }

        .footer-links a:hover {
            color: #34D399;
        }

        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #64748b;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-layout {
                grid-template-columns: 1fr;
            }
            .tech-base-grid {
                grid-template-columns: 1fr;
            }
            .strengths-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .product-cards-grid {
                grid-template-columns: 1fr;
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compliance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 767px) {
            .topbar {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                gap: 16px;
            }
            .nav-links.active {
                display: flex;
            }
            .hero-h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .strengths-grid,
            .scenarios-grid,
            .testimonials-grid,
            .news-grid,
            .compliance-grid,
            .onboarding-grid,
            .cta-box-grid,
            .telemetry-grid,
            .dashboard-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .cta-box-grid {
                padding: 24px;
            }
            .benchmark-table {
                display: block;
                overflow-x: auto;
            }
        }