/* roulang page: index */
:root {
            --primary: #1A56DB;
            --primary-dark: #0E3B99;
            --secondary: #38B2AC;
            --warning: #F59E0B;
            --bg-main: #FFFFFF;
            --bg-alt: #F4F7FB;
            --text-main: #0F172A;
            --text-muted: #475569;
            --text-light: #94A3B8;
            --border-color: rgba(226, 232, 240, 0.85);
            --card-shadow: 0 4px 20px -2px rgba(26, 86, 219, 0.06), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
            --hover-shadow: 0 16px 32px -4px rgba(26, 86, 219, 0.12);
            --radius: 12px;
            --transition: all 280ms 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, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-main);
            line-height: 1.6;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部公用条与主导航 */
        .top-utility-bar {
            background-color: #EEF2F6;
            font-size: 13px;
            color: var(--text-muted);
            border-bottom: 1px solid #E2E8F0;
            padding: 8px 0;
        }
        .top-utility-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-utility-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }
        .top-utility-links span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .main-navbar {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 76px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.3px;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            position: relative;
            padding: 6px 0;
        }
        .nav-menu a:hover {
            color: var(--primary);
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }
        .nav-menu a:hover::after {
            width: 100%;
        }
        .nav-action {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* 按钮与通用组件 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid transparent;
            transition: var(--transition);
            min-height: 46px;
            line-height: 1;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(26, 86, 219, 0.25);
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(26, 86, 219, 0.35);
        }
        .btn-secondary {
            background-color: #FFFFFF;
            color: var(--primary);
            border-color: rgba(26, 86, 219, 0.3);
        }
        .btn-secondary:hover {
            background-color: #EFF6FF;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            background-color: rgba(26, 86, 219, 0.08);
            color: var(--primary);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(26, 86, 219, 0.15);
        }

        /* 板块结构基类 */
        .section {
            padding: 96px 0;
        }
        .section-alt {
            background-color: var(--bg-alt);
        }
        .section-dark {
            background-color: #0F172A;
            color: #F8FAFC;
        }
        .section-header {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 56px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: inherit;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .section-dark .section-header p {
            color: #94A3B8;
        }

        /* 1. 首屏全宽沉浸 KV */
        .hero-banner {
            position: relative;
            background: linear-gradient(rgba(15, 23, 42, 0.78), rgba(15, 23, 42, 0.88)), url('/assets/images/49e8f56ed8b0ff3c.png') center/cover no-repeat;
            color: #FFFFFF;
            padding: 120px 0 100px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-content {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-banner h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }
        .hero-banner .hero-intro {
            font-size: 17px;
            line-height: 1.8;
            color: #E2E8F0;
            margin-bottom: 36px;
            font-weight: 400;
        }
        .hero-countdown-bar {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 10px 28px;
            display: inline-flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 36px;
            font-size: 14px;
            color: #CBD5E1;
        }
        .countdown-digits {
            display: flex;
            gap: 12px;
            font-weight: 700;
            color: #FFFFFF;
        }
        .countdown-unit {
            background: var(--primary);
            padding: 4px 10px;
            border-radius: 6px;
            color: #FFF;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* 2. 全球节点与分发覆盖 */
        .global-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .global-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 24px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        .global-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--hover-shadow);
            border-color: rgba(26, 86, 219, 0.4);
        }
        .global-item i {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .global-item h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .global-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 3. 场景方案卡片 */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .scenario-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hover-shadow);
        }
        .scenario-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .scenario-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .scenario-card:hover .scenario-img-wrap img {
            transform: scale(1.04);
        }
        .scenario-body {
            padding: 28px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .scenario-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .scenario-body h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .scenario-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 20px;
            flex: 1;
        }
        .scenario-specs {
            border-top: 1px solid #EDF2F7;
            padding-top: 16px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
        }

        /* 4. 本地化内容合规与发布能力 */
        .dual-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .dual-intro-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
        }
        .dual-intro-content h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-main);
            line-height: 1.35;
        }
        .dual-intro-content p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .spec-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .spec-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-main);
        }
        .spec-list li i {
            color: var(--primary);
            font-size: 16px;
            margin-top: 3px;
        }

        /* 5. 综合品牌门户内容中台矩阵（6卡网格） */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-matrix-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        .service-matrix-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hover-shadow);
            border-color: rgba(26, 86, 219, 0.4);
        }
        .card-icon-box {
            width: 52px;
            height: 52px;
            border-radius: 10px;
            background: #EFF6FF;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }
        .service-matrix-card h3 {
            font-size: 19px;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .service-matrix-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 6. 拼团与集约化采购通道 */
        .group-order-box {
            background: linear-gradient(135deg, #EFF6FF, #E0E7FF);
            border: 1px solid #BFDBFE;
            border-radius: 16px;
            padding: 48px;
        }
        .group-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 20px;
        }
        .group-progress-wrap {
            width: 100%;
            background: #DBEAFE;
            height: 12px;
            border-radius: 6px;
            overflow: hidden;
            margin: 16px 0 24px;
        }
        .group-progress-bar {
            width: 78%;
            background: var(--primary);
            height: 100%;
            border-radius: 6px;
        }
        .group-deals-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .deal-card {
            background: #FFFFFF;
            padding: 24px;
            border-radius: var(--radius);
            border: 1px solid #DBEAFE;
        }
        .deal-card h4 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .deal-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* 7. 底层高可用技术架构区（深色大网格） */
        .arch-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .arch-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 32px 24px;
            transition: var(--transition);
        }
        .arch-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: var(--primary);
        }
        .arch-card i {
            font-size: 28px;
            color: var(--secondary);
            margin-bottom: 16px;
        }
        .arch-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: #FFFFFF;
        }
        .arch-card p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.6;
        }

        /* 8. 门户内容数字化指标数据条 */
        .metrics-bar {
            background-color: #F8FAFC;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 56px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .metric-item .number {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1;
            margin-bottom: 8px;
            font-family: inherit;
        }
        .metric-item .label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .metric-item .desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 9. 全周期内容实施与保障流程 */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .workflow-step {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 32px 20px;
            position: relative;
            box-shadow: var(--card-shadow);
        }
        .step-num {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #FFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 15px;
        }
        .workflow-step h3 {
            font-size: 17px;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .workflow-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 10. 品牌客户数字化案例墙 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hover-shadow);
        }
        .case-img-wrap {
            height: 190px;
            overflow: hidden;
        }
        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-body {
            padding: 24px;
        }
        .case-badge {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: #EFF6FF;
            padding: 3px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 10px;
        }
        .case-body h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .case-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 11. 竖屏种草与内容精选展示 */
        .vertical-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .vertical-card {
            background: #FFFFFF;
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .vertical-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hover-shadow);
        }
        .vertical-cover {
            height: 240px;
            overflow: hidden;
            position: relative;
        }
        .vertical-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .vertical-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 23, 42, 0.75);
            color: #FFFFFF;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 11px;
            backdrop-filter: blur(4px);
        }
        .vertical-body {
            padding: 16px;
        }
        .vertical-body h4 {
            font-size: 15px;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .vertical-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 12. 行业门户动态与资讯精选 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--hover-shadow);
            border-color: rgba(26, 86, 219, 0.3);
        }
        .news-meta {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--text-main);
            line-height: 1.4;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }

        /* 13. 底部咨询转化表单区 */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), #1E40AF);
            color: #FFFFFF;
            padding: 90px 0;
        }
        .cta-inner {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }
        .cta-inner h2 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: 16px;
            color: #E2E8F0;
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .cta-form-box {
            background: #FFFFFF;
            border-radius: var(--radius);
            padding: 36px 32px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            color: var(--text-main);
            text-align: left;
        }
        .cta-form-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-bottom: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
        }
        .form-control {
            height: 44px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 0 14px;
            font-size: 14px;
            color: var(--text-main);
            outline: none;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
        }

        /* 全局页脚系统 */
        .site-footer {
            background-color: #0B1120;
            color: #94A3B8;
            padding: 72px 0 32px;
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand h3 {
            color: #FFFFFF;
            font-size: 20px;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 20px;
            font-size: 13px;
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* 移动端汉堡菜单支持 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-main);
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            .global-grid, .service-matrix-grid, .scenario-grid, .arch-grid, .case-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .vertical-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .workflow-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .group-deals-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-form-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-utility-bar {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 76px;
                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);
            }
            .nav-menu.active {
                display: flex;
            }
            .hero-banner {
                padding: 72px 0 60px;
            }
            .hero-banner h1 {
                font-size: 30px;
            }
            .hero-banner .hero-intro {
                font-size: 15px;
            }
            .dual-intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .global-grid, .service-matrix-grid, .scenario-grid, .arch-grid, .case-grid, .news-grid, .vertical-grid, .workflow-timeline, .metrics-grid {
                grid-template-columns: 1fr;
            }
            .group-order-box {
                padding: 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }