/* roulang page: index */
:root {
            --bg-dark: #0B0F17;
            --bg-card-dark: #111827;
            --bg-light: #F8FAFC;
            --bg-white: #FFFFFF;
            --primary: #10B981;
            --primary-glow: #00F5A0;
            --secondary: #F97316;
            --navy-deep: #064E3B;
            --navy-layer: #1E293B;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-white: #FFFFFF;
            --border-light: #E2E8F0;
            --border-dark: rgba(255, 255, 255, 0.08);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 10px 15px -5px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
            --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.25);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --font-mono: 'JetBrains Mono', 'Roboto Mono', monospace;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background-color: var(--bg-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        ul {
            list-style: none;
        }

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

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

        /* 顶部双行导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 15, 23, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
        }

        .top-notification-bar {
            background-color: #06090e;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 13px;
            color: var(--text-muted);
            padding: 6px 0;
        }

        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .status-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #94A3B8;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background-color: var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--primary-glow);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { opacity: 0.6; transform: scale(0.95); }
            50% { opacity: 1; transform: scale(1.15); }
            100% { opacity: 0.6; transform: scale(0.95); }
        }

        .top-bar-contact {
            display: flex;
            gap: 20px;
        }

        .main-nav {
            padding: 14px 0;
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), #059669);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #CBD5E1;
            padding: 6px 0;
            position: relative;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #06281E;
        }

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

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.2);
            color: var(--text-white);
            background: transparent;
        }

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

        .btn-orange {
            background-color: var(--secondary);
            color: #FFFFFF;
        }

        .btn-orange:hover {
            background-color: #EA580C;
            transform: translateY(-1px);
        }

        /* 基础区块通用样式 */
        .section {
            padding: 90px 0;
            position: relative;
        }

        .section-dark {
            background-color: var(--bg-dark);
            color: #F1F5F9;
        }

        .section-light {
            background-color: var(--bg-light);
            color: var(--text-body);
        }

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

        .section-header {
            margin-bottom: 50px;
        }

        .section-header.center {
            text-align: center;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(16, 185, 129, 0.12);
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-badge.dark-badge {
            background: rgba(0, 245, 160, 0.15);
            color: var(--primary-glow);
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

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

        .section-light .section-title, .section-white .section-title {
            color: var(--text-title);
        }

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

        .section-dark .section-desc {
            color: #94A3B8;
        }

        /* 板块一：Hero 前后对比首屏 */
        .hero-section {
            padding: 80px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
                        linear-gradient(180deg, var(--bg-dark) 0%, #111827 100%);
            border-bottom: 1px solid var(--border-dark);
            color: var(--text-white);
        }

        .hero-intro {
            text-align: center;
            max-width: 860px;
            margin: 0 auto 60px;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #FFFFFF;
        }

        .hero-title span {
            background: linear-gradient(120deg, #FFFFFF, var(--primary-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: #94A3B8;
            margin-bottom: 30px;
        }

        .hero-cta-group {
            display: flex;
            justify-content: center;
            gap: 16px;
        }

        /* Before/After 对比栅格 */
        .compare-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 40px;
        }

        .compare-card {
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
            overflow: hidden;
            border: 1px solid;
        }

        .compare-card.before {
            background-color: rgba(30, 41, 59, 0.4);
            border-color: rgba(239, 68, 68, 0.3);
        }

        .compare-card.after {
            background-color: rgba(17, 24, 39, 0.85);
            border-color: var(--primary);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(16, 185, 129, 0.15);
        }

        .compare-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }

        .compare-card.before .compare-tag {
            background-color: rgba(239, 68, 68, 0.2);
            color: #F87171;
        }

        .compare-card.after .compare-tag {
            background-color: rgba(16, 185, 129, 0.2);
            color: var(--primary-glow);
        }

        .compare-head-title {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .compare-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            line-height: 1.5;
        }

        .compare-card.before .compare-item {
            color: #94A3B8;
        }

        .compare-card.after .compare-item {
            color: #E2E8F0;
        }

        .compare-icon {
            font-weight: 800;
            font-size: 14px;
            line-height: 1.4;
        }

        .compare-card.before .compare-icon {
            color: #EF4444;
        }

        .compare-card.after .compare-icon {
            color: var(--primary-glow);
        }

        /* 终端代码模拟框 */
        .terminal-block {
            margin-top: 20px;
            background: #06090e;
            border-radius: var(--radius-sm);
            padding: 14px;
            font-family: var(--font-mono);
            font-size: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .terminal-row {
            display: flex;
            gap: 12px;
            margin-bottom: 6px;
        }

        .term-ts { color: #64748B; }
        .term-evt { color: #F59E0B; }
        .term-score { color: var(--primary-glow); font-weight: 700; }
        .term-match { color: #93C5FD; }

        /* 板块二：KPI 核心数据指标看板 */
        .kpi-section {
            background-color: #0d131f;
            padding: 50px 0;
            border-bottom: 1px solid var(--border-dark);
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .kpi-item {
            padding: 20px 24px;
            border-left: 2px solid var(--navy-layer);
            transition: all 0.25s ease;
        }

        .kpi-item:hover {
            border-left-color: var(--primary);
            background: rgba(255, 255, 255, 0.02);
        }

        .kpi-number {
            font-family: var(--font-mono);
            font-size: 38px;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .kpi-number span {
            color: var(--primary-glow);
            font-size: 24px;
        }

        .kpi-label {
            font-size: 14px;
            font-weight: 600;
            color: #94A3B8;
            margin-bottom: 4px;
        }

        .kpi-sub {
            font-size: 12px;
            color: #64748B;
        }

        /* 板块三：核心架构与技术参数 */
        .infra-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }

        .infra-feature-list {
            margin-top: 30px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .infra-feat-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            padding: 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .infra-feat-item h4 {
            font-size: 16px;
            color: var(--text-title);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .infra-feat-item h4::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }

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

        .visual-frame {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: relative;
        }

        /* 板块四：服务优势矩阵卡片 (6宫格) */
        .cards-grid-3x2 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .matrix-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .matrix-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.06);
            border-color: #CBD5E1;
        }

        .matrix-card-num {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
        }

        .matrix-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 12px;
        }

        .matrix-card-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* 板块五：核心产品与数据接口套件 (3大卡) */
        .product-suite-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .suite-card {
            background: var(--bg-card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
        }

        .suite-card.highlight {
            border-color: rgba(16, 185, 129, 0.4);
            background: linear-gradient(180deg, #162032 0%, var(--bg-card-dark) 100%);
        }

        .suite-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 4px;
            background: rgba(16, 185, 129, 0.2);
            color: var(--primary-glow);
        }

        .suite-title {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .suite-desc {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .suite-specs {
            margin-bottom: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
        }

        .spec-row {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
        }

        .spec-name { color: #64748B; }
        .spec-val { color: #E2E8F0; font-family: var(--font-mono); font-weight: 600; }

        /* 板块六：深色控制台交互与实时路由 */
        .dark-stage {
            background: #080C14;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .console-mockup {
            background: #0F172A;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.6);
        }

        .console-header {
            background: #1E293B;
            padding: 12px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .window-dots {
            display: flex;
            gap: 6px;
        }

        .w-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .w-red { background: #EF4444; }
        .w-yellow { background: #F59E0B; }
        .w-green { background: #10B981; }

        .console-title-text {
            font-family: var(--font-mono);
            font-size: 12px;
            color: #94A3B8;
        }

        .console-body {
            padding: 24px;
            font-family: var(--font-mono);
            font-size: 13px;
            line-height: 1.8;
            color: #CBD5E1;
            overflow-x: auto;
        }

        .json-key { color: #38BDF8; }
        .json-str { color: #A7F3D0; }
        .json-num { color: #FBBF24; }
        .json-bool { color: #F472B6; }

        /* 板块七：全场景使用解决方案 (4列) */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scenario-box {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.25s ease;
        }

        .scenario-box:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .scenario-box h3 {
            font-size: 18px;
            color: var(--text-title);
            margin-bottom: 10px;
        }

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

        .scenario-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .scenario-tag {
            font-size: 11px;
            background: #F1F5F9;
            color: #475569;
            padding: 3px 8px;
            border-radius: 4px;
        }

        /* 板块八：客户实际落地成效 */
        .case-study-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .case-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

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

        .case-client-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
        }

        .case-badge {
            font-size: 12px;
            padding: 3px 10px;
            background: #ECFDF5;
            color: #065F46;
            border-radius: 20px;
            font-weight: 600;
        }

        .case-metrics-bar {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            background: #F8FAFC;
            padding: 16px;
            border-radius: var(--radius-sm);
            margin: 20px 0;
        }

        .case-stat-num {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
        }

        .case-stat-desc {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块九：平台里程碑路线历程 */
        .milestone-timeline {
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
        }

        .milestone-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: var(--border-light);
            transform: translateX(-50%);
        }

        .timeline-node {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-node:nth-child(even) {
            flex-direction: row-reverse;
        }

        .timeline-content {
            width: 45%;            background: #FFFFFF;
            padding: 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .timeline-badge {
            position: absolute;
            left: 50%;
            top: 20px;
            transform: translateX(-50%);
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px #FFFFFF, 0 0 0 6px rgba(16, 185, 129, 0.3);
        }

        .timeline-year {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .timeline-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .timeline-desc {
            font-size: 13px;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* 板块十：行业开发者与技术评价墙 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testi-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            box-shadow: var(--shadow-sm);
        }

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

        .testi-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid #F1F5F9;
            padding-top: 16px;
        }

        .testi-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #475569;
            font-size: 14px;
        }

        .testi-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-title);
        }

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

        /* 板块十一：技术资讯与实时更新指南 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.25s ease;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .news-thumb {
            height: 180px;
            overflow: hidden;
            background: #0B0F17;
        }

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

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

        .news-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-headline {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
            line-height: 1.4;
        }

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

        .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 板块十二：平台服务保障机制 (4列) */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .assurance-item {
            text-align: center;
            padding: 30px 20px;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
        }

        .assurance-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: rgba(16, 185, 129, 0.1);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: bold;
        }

        .assurance-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .assurance-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块十三：常见技术与接入疑问（FAQ） */
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

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

        .faq-toggle-icon {
            font-size: 18px;
            color: var(--text-muted);
            font-weight: normal;
        }

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

        /* 底部聚合转化行动区 (Bottom CTA) */
        .bottom-cta-banner {
            padding: 80px 0;
            background: linear-gradient(135deg, #064E3B 0%, #0B0F17 60%, #111827 100%);
            border-top: 1px solid rgba(16, 185, 129, 0.3);
            color: #FFFFFF;
            text-align: center;
        }

        .bottom-cta-inner {
            max-width: 760px;
            margin: 0 auto;
        }

        .bottom-cta-title {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .bottom-cta-desc {
            font-size: 16px;
            color: #94A3B8;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .bottom-cta-btns {
            display: flex;
            justify-content: center;
            gap: 18px;
        }

        /* 统一页脚 */
        .site-footer {
            background: #080C14;
            color: #64748B;
            padding: 70px 0 30px;
            border-top: 1px solid var(--border-dark);
            font-size: 13px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand-title {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand-desc {
            line-height: 1.7;
            margin-bottom: 16px;
            color: #94A3B8;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: #E2E8F0;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .footer-links-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links-list a:hover {
            color: var(--primary-glow);
        }

        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 响应式样式适配 */
        @media (max-width: 1024px) {
            .cards-grid-3x2,
            .product-suite-grid,
            .news-grid,
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid,
            .assurance-grid,
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .infra-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .top-bar-contact {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .hero-title {
                font-size: 30px;
            }
            .compare-hero-grid,
            .case-study-grid {
                grid-template-columns: 1fr;
            }
            .cards-grid-3x2,
            .product-suite-grid,
            .news-grid,
            .testimonial-grid,
            .scenarios-grid,
            .assurance-grid,
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .milestone-timeline::before {
                left: 10px;
            }
            .timeline-node {
                flex-direction: column !important;
                padding-left: 30px;
            }
            .timeline-content {
                width: 100%;
            }
            .timeline-badge {
                left: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .bottom-cta-btns {
                flex-direction: column;
            }
        }