/* roulang page: index */
:root {
            --bg-primary: #0B132B;
            --bg-secondary: #1C2541;
            --bg-tertiary: #141E3C;
            --brand-cyan: #00D2FF;
            --brand-blue: #3A86FF;
            --brand-glow: #00F5D4;
            --text-main: #FFFFFF;
            --text-muted: #E0E6ED;
            --text-sub: #8D99AE;
            --border-glass: rgba(0, 210, 255, 0.18);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --card-glass: rgba(28, 37, 65, 0.65);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-glow: 0 10px 30px -10px rgba(0, 210, 255, 0.35);
            --transition: all 0.3s 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", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-muted);
            line-height: 1.7;
        }

        body {
            overflow-x: hidden;
            background: radial-gradient(circle at 50% 0%, #1C2541 0%, #0B132B 75%);
        }

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

        ul {
            list-style: none;
        }

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

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

        /* 顶部微通知栏 */
        .top-notice-bar {
            background: rgba(11, 19, 43, 0.95);
            border-bottom: 1px solid var(--border-subtle);
            font-size: 13px;
            color: var(--text-sub);
            padding: 8px 0;
        }
        .top-notice-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .notice-tag {
            background: rgba(0, 245, 212, 0.1);
            color: var(--brand-glow);
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            margin-right: 8px;
        }

        /* 主导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 19, 43, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glass);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }
        .logo-badge {
            background: linear-gradient(135deg, var(--brand-cyan), var(--brand-blue));
            width: 38px;
            height: 38px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 0 15px rgba(0, 210, 255, 0.5);
        }
        .nav-links {
            display: flex;
            gap: 28px;
            align-items: center;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
        }
        .nav-links a:hover {
            color: var(--brand-cyan);
        }

        /* 按钮与发光体系 */
        .btn-glow {
            background: linear-gradient(135deg, var(--brand-cyan), var(--brand-blue));
            color: #fff;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(58, 134, 255, 0.4);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 210, 255, 0.6);
            color: #fff;
        }
        .btn-outline {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: rgba(0, 210, 255, 0.1);
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
        }

        /* 通用 Section 样式 */
        section {
            padding: 90px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-tertiary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 55px;
        }
        .section-tag {
            color: var(--brand-cyan);
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            display: inline-block;
        }
        .section-title {
            font-size: 32px;
            color: var(--text-main);
            font-weight: 700;
            margin-bottom: 18px;
            line-height: 1.35;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* 玻璃拟态卡片 */
        .glass-card {
            background: var(--card-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: var(--transition);
        }
        .glass-card:hover {
            border-color: var(--brand-cyan);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        /* 1. Hero 秒杀闪购条 + 紧凑式布局 */
        #hero {
            padding: 45px 0 75px;
            background-image: linear-gradient(to bottom, rgba(11, 19, 43, 0.7), rgba(11, 19, 43, 0.98)), url('/assets/images/29760e6c40d50051.webp');
            background-size: cover;
            background-position: center;
        }
        .flash-deal-banner {
            background: linear-gradient(90deg, rgba(58, 134, 255, 0.25), rgba(0, 245, 212, 0.15));
            border: 1px solid var(--brand-cyan);
            border-radius: var(--radius-md);
            padding: 14px 24px;
            margin-bottom: 35px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
        }
        .deal-countdown {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--text-main);
        }
        .timer-unit {
            background: #000;
            color: var(--brand-glow);
            padding: 3px 8px;
            border-radius: 4px;
            font-family: monospace;
            font-size: 16px;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 42px;
            color: var(--text-main);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 22px;
        }
        .hero-content h1 span {
            background: linear-gradient(135deg, var(--brand-cyan), var(--brand-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 30px;
            line-height: 1.75;
        }
        .hero-btn-group {
            display: flex;
            gap: 16px;
            margin-bottom: 35px;
        }
        .hero-metrics-pill {
            display: flex;
            gap: 24px;
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
        }
        .hero-pill-item strong {
            display: block;
            font-size: 20px;
            color: var(--brand-cyan);
            font-weight: 700;
        }
        .hero-pill-item span {
            font-size: 13px;
            color: var(--text-sub);
        }
        .hero-card-display {
            background: var(--card-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
        }
        .card-display-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-subtle);
            padding-bottom: 14px;
            margin-bottom: 18px;
        }
        .status-badge-live {
            background: rgba(0, 245, 212, 0.15);
            color: var(--brand-glow);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .status-badge-live::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--brand-glow);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.2); }
            100% { opacity: 1; transform: scale(1); }
        }

        /* 2. KPI 看板区 */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .kpi-card {
            background: var(--card-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
        }
        .kpi-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--brand-cyan);
            margin-bottom: 6px;
            font-family: monospace;
        }
        .kpi-title {
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .kpi-note {
            font-size: 13px;
            color: var(--text-sub);
        }

        /* 3. 架构与协同机制 */
        .about-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .param-list {
            margin-top: 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .param-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            padding: 14px;
            border-radius: var(--radius-sm);
        }
        .param-item strong {
            color: var(--brand-glow);
            font-size: 18px;
            display: block;
        }
        .param-item span {
            font-size: 12px;
            color: var(--text-sub);
        }

        /* 4. 功能优势矩阵 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-icon-box {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background: rgba(0, 210, 255, 0.1);
            color: var(--brand-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            border: 1px solid var(--border-glass);
        }
        .feature-card h3 {
            font-size: 19px;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
        }

        /* 5. 热门解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .solution-card {
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            background: var(--card-glass);
            padding: 32px;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .solution-card.featured {
            border-color: var(--brand-cyan);
            background: linear-gradient(180deg, rgba(28, 37, 65, 0.85) 0%, rgba(11, 19, 43, 0.95) 100%);
            box-shadow: 0 10px 30px rgba(0, 210, 255, 0.2);
        }
        .solution-badge {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--brand-glow);
            color: #0B132B;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 20px;
        }
        .solution-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand-cyan);
            margin: 16px 0;
        }
        .solution-price span {
            font-size: 14px;
            color: var(--text-sub);
            font-weight: 400;
        }
        .solution-items {
            margin: 20px 0 30px;
            flex-grow: 1;
        }
        .solution-items li {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .solution-items li::before {
            content: "✓";
            color: var(--brand-glow);
            font-weight: 800;
        }

        /* 6. 采销存财闭环区 */
        .loop-box {
            background-image: linear-gradient(rgba(11, 19, 43, 0.92), rgba(11, 19, 43, 0.92)), url('/assets/images/2ed44df20fd2339d.webp');
            background-size: cover;
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 45px;
        }
        .loop-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 35px;
        }
        .loop-step-item {
            background: rgba(28, 37, 65, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px;
            text-align: center;
            position: relative;
        }
        .step-index {
            width: 32px;
            height: 32px;
            background: var(--brand-cyan);
            color: #0B132B;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 12px;
        }

        /* 7. 行业案例 */
        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .story-item {
            display: flex;
            flex-direction: column;
            gap: 16px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--card-glass);
            border: 1px solid var(--border-glass);
        }
        .story-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .story-body {
            padding: 20px 24px 24px;
        }

        /* 8. 效能对比 */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--card-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-glass);
        }
        .compare-table th, .compare-table td {
            padding: 18px 24px;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
        }
        .compare-table th {
            background: rgba(0, 210, 255, 0.08);
            color: var(--text-main);
            font-size: 16px;
        }
        .compare-highlight {
            color: var(--brand-glow);
            font-weight: 600;
        }
        .compare-bad {
            color: #FF6B6B;
        }

        /* 9. 里程碑 / 发展演进 */
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .timeline-card {
            background: rgba(28, 37, 65, 0.4);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            position: relative;
        }
        .timeline-year {
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-cyan);
            margin-bottom: 8px;
        }

        /* 10. 用户口碑 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testi-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .testi-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-cyan), var(--brand-blue));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
        }

        /* 11. 实操指南与资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--card-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .news-card img {
            height: 140px;
            object-fit: cover;
            width: 100%;
        }
        .news-content {
            padding: 16px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .news-content h4 {
            font-size: 15px;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-content p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        /* 12. 安全保障体系 */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .security-item {
            text-align: center;
            padding: 24px 16px;
            background: rgba(28, 37, 65, 0.4);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
        }
        .security-badge-icon {
            font-size: 30px;
            color: var(--brand-glow);
            margin-bottom: 12px;
        }

        /* 13. FAQ 手风琴 */
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }
        details.faq-item {
            background: var(--card-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            padding: 18px 24px;
            transition: var(--transition);
        }
        details.faq-item[open] {
            border-color: var(--brand-cyan);
            background: rgba(28, 37, 65, 0.85);
        }
        summary.faq-q {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        summary.faq-q::-webkit-details-marker {
            display: none;
        }
        summary.faq-q::after {
            content: "+";
            font-size: 20px;
            color: var(--brand-cyan);
            font-weight: 700;
            transition: var(--transition);
        }
        details[open] summary.faq-q::after {
            content: "−";
        }
        .faq-a {
            margin-top: 14px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            border-top: 1px solid var(--border-subtle);
            padding-top: 12px;
        }

        /* 14. 转化表单 */
        .contact-card {
            background: linear-gradient(135deg, rgba(28, 37, 65, 0.95), rgba(11, 19, 43, 0.95));
            border: 1px solid var(--brand-cyan);
            box-shadow: 0 0 35px rgba(0, 210, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 45px;
            max-width: 900px;
            margin: 0 auto;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 24px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group.full {
            grid-column: span 2;
        }
        .form-group label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .form-control {
            background: rgba(11, 19, 43, 0.8);
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--brand-glow);
            box-shadow: 0 0 10px rgba(0, 245, 212, 0.3);
        }

        /* 页脚 */
        .site-footer {
            background: #060B18;
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            font-size: 14px;
            color: var(--text-sub);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: var(--brand-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 25px;
            text-align: center;
            font-size: 13px;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .kpi-grid { grid-template-columns: repeat(2, 1fr); }
            .solution-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .loop-steps { grid-template-columns: repeat(2, 1fr); }
            .timeline-grid { grid-template-columns: repeat(2, 1fr); }
            .security-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .about-split { grid-template-columns: 1fr; }
            .stories-grid { grid-template-columns: 1fr; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .features-grid { grid-template-columns: 1fr; }
            .kpi-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .loop-steps { grid-template-columns: 1fr; }
            .timeline-grid { grid-template-columns: 1fr; }
            .security-grid { grid-template-columns: 1fr; }
            .form-grid { grid-template-columns: 1fr; }
            .form-group.full { grid-column: span 1; }
            .footer-grid { grid-template-columns: 1fr; }
            .hero-content h1 { font-size: 30px; }
            .section-title { font-size: 24px; }
            .hero-metrics-pill { flex-direction: column; gap: 12px; }
        }