/* 根变量及春绿薄荷清新风配色 */
        :root {
            --primary: #10B981;
            --primary-hover: #059669;
            --primary-light: #ECFDF5;
            --secondary: #34D399;
            --dark: #064E3B;
            --text-main: #1F2937;
            --text-muted: #4B5563;
            --bg-light: #F9FAFB;
            --bg-mint: #F0FDF4;
            --border-color: #E5E7EB;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.02);
            --transition: all 0.3s ease;
        }

        /* 基础样式复位 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
        }
        body {
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        /* 容器布局规范 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 公共模块间距 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .section-mint {
            background-color: var(--bg-mint);
        }
        .section-white {
            background-color: #ffffff;
        }

        /* 模块标题规范 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 700;
        }
        .section-header p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.1rem;
        }

        /* 导航栏样式 */
        .site-header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-color);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand img {
            height: 40px;
            width: auto;
        }
        .brand-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--dark);
        }
        .nav-menu {
            display: flex;
            gap: 25px;
            align-items: center;
        }
        .nav-menu a {
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #ffffff;
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 1. 首页 (Hero) - 无背景图片，纯科技清新动感 */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: linear-gradient(135deg, var(--bg-mint) 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-glow {
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, rgba(255,255,255,0) 70%);
            top: -100px;
            right: -100px;
            z-index: 1;
            animation: pulse 10s infinite alternate;
        }
        .hero-wrapper {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-hover);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 25px;
            border: 1px solid rgba(16,185,129,0.2);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 25px;
        }
        .hero-title span {
            color: var(--primary);
            position: relative;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-buttons .btn {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 20px;
        }
        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .about-feat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--dark);
        }
        .about-feat-item svg {
            width: 20px;
            height: 20px;
            fill: var(--primary);
        }
        .about-image-wrapper {
            position: relative;
            background-color: var(--primary-light);
            border-radius: 16px;
            padding: 30px;
            border: 2px dashed var(--primary);
            text-align: center;
        }
        .about-image-wrapper p {
            font-weight: 600;
            color: var(--primary-hover);
        }

        /* 3. AIGC服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        .service-card {
            background-color: #ffffff;
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background-color: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .service-card:hover::before {
            transform: scaleX(1);
        }
        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }
        .service-card h3 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 15px;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* 4. 一站式制作 */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .flow-card {
            background-color: #ffffff;
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .flow-card h3 {
            margin-bottom: 10px;
            color: var(--dark);
        }
        .flow-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .flow-step-num {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--primary);
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        /* 5. 行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .sol-card {
            background-color: #ffffff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .sol-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .sol-content {
            padding: 25px;
        }
        .sol-content h3 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .sol-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .sol-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sol-tag {
            background-color: var(--bg-mint);
            color: var(--primary-hover);
            font-size: 0.8rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .net-map {
            background-color: var(--primary-light);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
            border: 1px dashed var(--primary);
            position: relative;
        }
        .net-nodes {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
            margin-top: 20px;
        }
        .node-tag {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            color: var(--dark);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .node-tag::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            background-color: var(--primary);
            border-radius: 50%;
        }

        /* 7. 标准化流程 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--primary-light);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }
        .timeline-container {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }
        .timeline-container::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: #ffffff;
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }
        .left-time {
            left: 0;
        }
        .right-time {
            left: 50%;
        }
        .right-time::after {
            left: -10px;
        }
        .timeline-content {
            padding: 20px;
            background-color: white;
            position: relative;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .timeline-content h3 {
            color: var(--dark);
            margin-bottom: 8px;
        }
        .timeline-content p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 8. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .case-card {
            background-color: #ffffff;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .case-media {
            background-color: #E5E7EB;
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-weight: 500;
        }
        .case-info {
            padding: 20px;
        }
        .case-info h3 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 10px;
        }
        .case-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }
        .case-metrics {
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
            display: flex;
            justify-content: space-between;
            color: var(--primary-hover);
            font-weight: bold;
            font-size: 0.95rem;
        }

        /* 9. 对比评测 */
        .comparison-wrapper {
            background-color: #ffffff;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            padding: 40px;
            border: 1px solid var(--border-color);
        }
        .rating-box {
            text-align: center;
            margin-bottom: 40px;
        }
        .rating-num {
            font-size: 4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }
        .rating-stars {
            color: #FBBF24;
            font-size: 1.5rem;
            margin: 10px 0;
        }
        .rating-label {
            font-weight: 700;
            color: var(--dark);
            font-size: 1.2rem;
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }
        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }
        .comp-table th, .comp-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .comp-table th {
            background-color: var(--bg-mint);
            color: var(--dark);
            font-weight: 700;
        }
        .comp-table tr:hover td {
            background-color: var(--bg-light);
        }
        .comp-highlight {
            font-weight: 700;
            color: var(--primary-hover);
        }

        /* 10. 智能需求匹配与表单 */
        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .form-card {
            background-color: #ffffff;
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
            font-size: 0.95rem;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--border-color);
            border-radius: 8px;
            transition: var(--transition);
            outline: none;
            background-color: var(--bg-light);
        }
        .form-control:focus {
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px rgba(16,185,129,0.15);
        }
        textarea.form-control {
            height: 100px;
            resize: vertical;
        }

        /* 11. Token比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .token-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .token-card h4 {
            color: var(--dark);
            margin-bottom: 10px;
        }
        .token-price {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary-hover);
            margin-bottom: 5px;
        }
        .token-status {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 12 & 13. 职业与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .train-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .train-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }
        .train-badge {
            background-color: var(--primary-light);
            color: var(--primary-hover);
            font-size: 0.8rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 15px;
        }
        .train-card h3 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 15px;
        }
        .train-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .train-meta {
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
            font-size: 0.9rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
        }

        /* 14 & 15. FAQ折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-header {
            padding: 20px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }
        .faq-header:hover {
            background-color: var(--bg-mint);
        }
        .faq-header::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-item.active .faq-header::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #ffffff;
            border-top: 1px solid transparent;
        }
        .faq-item.active .faq-content {
            border-top-color: var(--border-color);
        }
        .faq-text {
            padding: 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* 16. AI术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .glossary-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
        }
        .glossary-card h4 {
            color: var(--primary-hover);
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .glossary-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        /* 17. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .news-card {
            background-color: #ffffff;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .news-info {
            padding: 20px;
        }
        .news-info h3 {
            font-size: 1.15rem;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .news-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }
        .news-link {
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }
        .review-card {
            background-color: #ffffff;
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
        }
        .review-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 20px;
            font-style: italic;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary-hover);
        }
        .author-info h4 {
            font-size: 0.95rem;
            color: var(--dark);
        }
        .author-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 18 & 19. 联系我们与加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }
        .contact-info-panel {
            background-color: var(--dark);
            color: #ffffff;
            border-radius: 16px;
            padding: 40px;
        }
        .contact-info-panel h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #ffffff;
        }
        .contact-info-panel p {
            color: rgba(255,255,255,0.8);
            margin-bottom: 30px;
        }
        .contact-details {
            margin-bottom: 40px;
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }
        .contact-item svg {
            width: 20px;
            height: 20px;
            fill: var(--primary);
        }
        .qr-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .qr-item {
            text-align: center;
        }
        .qr-item img {
            border-radius: 8px;
            background-color: #ffffff;
            padding: 8px;
            max-width: 130px;
            margin: 0 auto 10px;
        }
        .qr-item span {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.8);
        }

        /* 页脚规范与友情链接 */
        .site-footer {
            background-color: #032018;
            color: #ffffff;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-column h4 {
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .footer-column p {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 10px;
        }
        .friend-links a {
            color: rgba(255,255,255,0.6);
            font-size: 0.85rem;
            background-color: rgba(255,255,255,0.05);
            padding: 4px 10px;
            border-radius: 4px;
        }
        .friend-links a:hover {
            background-color: var(--primary);
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }

        /* 浮动客服栏 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }
        .float-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.05);
        }
        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: #ffffff;
        }
        .float-qr-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            display: none;
            text-align: center;
            width: 160px;
        }
        .float-qr-pop img {
            width: 130px;
            height: 130px;
            margin-bottom: 8px;
        }
        .float-qr-pop p {
            color: var(--text-main);
            font-size: 0.8rem;
            font-weight: bold;
        }
        .float-btn:hover .float-qr-pop {
            display: block;
        }

        /* 数据指标卡片 */
        .stats-section {
            background-color: var(--primary-light);
            padding: 50px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item h3 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-hover);
            margin-bottom: 5px;
        }
        .stat-item p {
            color: var(--dark);
            font-weight: 600;
            font-size: 1rem;
        }

        /* 动画定义 */
        @keyframes pulse {
            0% { transform: scale(1); opacity: 0.5; }
            100% { transform: scale(1.1); opacity: 0.8; }
        }

        /* 移动端响应式布局适配 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                padding: 20px;
                box-shadow: var(--shadow-lg);
                border-top: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .about-grid, .network-grid, .match-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-container {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-container::after {
                left: 21px;
            }
            .right-time {
                left: 0%;
            }
        }
        @media (max-width: 576px) {
            .flow-grid, .stats-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }
        }