:root {
            --primary: #6366f1;
            --primary-grad: linear-gradient(135deg, #4f46e5 0%, #ec4899 50%, #f43f5e 100%);
            --bg-grad: linear-gradient(120deg, #f5f7ff 0%, #fdf2f8 50%, #f0fdf4 100%);
            --text-main: #1f2937;
            --text-muted: #4b5563;
            --card-bg: rgba(255, 255, 255, 0.85);
            --border-color: rgba(229, 231, 235, 0.8);
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-grad);
            background-attachment: fixed;
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 6px 12px;
            border-radius: 6px;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(99, 102, 241, 0.08);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-primary {
            text-decoration: none;
            background: var(--primary-grad);
            color: #fff;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .btn-nav-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 统一标题设计 */
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--primary-grad);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* 1. 首页 (Hero) - 首屏绝无图片 */
        .hero-section {
            padding: 160px 0 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-bg-shapes {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            pointer-events: none;
        }

        .shape {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            opacity: 0.15;
        }

        .shape-1 {
            top: 10%;
            left: 15%;
            width: 300px;
            height: 300px;
            background: #ff007f;
        }

        .shape-2 {
            bottom: 15%;
            right: 10%;
            width: 400px;
            height: 400px;
            background: #00f2fe;
        }

        .shape-3 {
            top: 40%;
            left: 50%;
            width: 250px;
            height: 250px;
            background: #7928ca;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: linear-gradient(90deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
            border: 1px solid rgba(99, 102, 241, 0.2);
            color: var(--primary);
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 850;
            line-height: 1.25;
            color: var(--text-main);
            max-width: 900px;
            margin: 0 auto 20px auto;
        }

        .hero-title span {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 40px auto;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        .btn-primary {
            text-decoration: none;
            background: var(--primary-grad);
            color: #fff;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(79, 70, 229, 0.4);
        }

        .btn-secondary {
            text-decoration: none;
            background: #fff;
            color: var(--text-main);
            border: 2px solid var(--border-color);
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: #f9fafb;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px 15px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(99, 102, 241, 0.4);
        }

        .metric-val {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 2. 关于我们 */
        .about-section {
            padding: 80px 0;
            background: rgba(255, 255, 255, 0.6);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-main);
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-bullets {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .about-bullets li {
            position: relative;
            padding-left: 24px;
            font-weight: 600;
            color: var(--text-main);
        }

        .about-bullets li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #10b981;
            font-weight: 800;
        }

        .about-badge-card {
            background: linear-gradient(135deg, #e0e7ff 0%, #fce7f3 100%);
            border: 2px dashed rgba(99, 102, 241, 0.3);
            border-radius: 24px;
            padding: 40px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .about-badge-card h4 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: #4f46e5;
        }

        /* 3. 全平台AIGC服务 (模型聚合) */
        .services-section {
            padding: 80px 0;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-grad);
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(236, 72, 153, 0.3);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 聚合标签云 */
        .model-tags-box {
            margin-top: 40px;
            text-align: center;
            background: rgba(255, 255, 255, 0.4);
            border-radius: 16px;
            padding: 25px;
            border: 1px dashed var(--border-color);
        }

        .model-tags-box h4 {
            margin-bottom: 15px;
            font-size: 1.1rem;
            color: var(--text-muted);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .tag-item {
            padding: 6px 14px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .tag-item:hover {
            background: var(--primary-grad);
            color: #fff;
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 4. 一站式AIGC制作 & 5. 解决方案 */
        .solutions-section {
            padding: 80px 0;
            background: rgba(255, 255, 255, 0.5);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .solution-card h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            color: var(--text-main);
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }

        .solution-card ul {
            list-style: none;
            margin-top: 15px;
        }

        .solution-card ul li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-bottom: 1px dashed #f3f4f6;
        }

        /* 6. 全国服务网络 */
        .network-section {
            padding: 80px 0;
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .network-text p {
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .network-images {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
        }

        .network-images img {
            width: 100%;
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .network-images img:hover {
            transform: scale(1.02);
        }

        /* 7. 标准化AIGC流程 & 8. 技术标准 */
        .process-section {
            padding: 80px 0;
            background: rgba(255, 255, 255, 0.6);
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
        }

        .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: white;
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -10px;
        }

        .timeline-content {
            padding: 20px 30px;
            background-color: white;
            position: relative;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        /* 9. 客户案例中心 */
        .cases-section {
            padding: 80px 0;
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #f3f4f6;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 10. 对比评测 */
        .compare-section {
            padding: 80px 0;
            background: linear-gradient(180deg, rgba(255,255,255,0.6) 0%, rgba(253,242,248,0.6) 100%);
        }

        .compare-header {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .score-badge {
            background: var(--primary-grad);
            color: #fff;
            padding: 20px 40px;
            border-radius: 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }

        .score-num {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1;
        }

        .score-stars {
            font-size: 1.2rem;
            color: #f59e0b;
            margin-top: 5px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            text-align: left;
            min-width: 700px;
        }

        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background: #f9fafb;
            font-weight: 700;
            color: var(--text-main);
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .highlight-col {
            background: rgba(99, 102, 241, 0.03);
            font-weight: 600;
        }

        /* 11. 智能需求匹配 (表单) & 20. 联系我们 */
        .form-section {
            padding: 80px 0;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .form-info-pane {
            background: var(--primary-grad);
            color: #fff;
            padding: 50px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .form-info-pane h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .contact-details {
            margin-top: 30px;
        }

        .contact-item {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .contact-item span {
            font-size: 1.1rem;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 40px;
        }

        .qr-card {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(5px);
            padding: 15px;
            border-radius: 12px;
            text-align: center;
            font-size: 0.8rem;
            width: 130px;
        }

        .qr-card img {
            width: 100px;
            height: 100px;
            margin-bottom: 8px;
            border-radius: 6px;
            background: #fff;
        }

        .form-pane {
            padding: 50px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-main);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
        }

        .btn-submit {
            width: 100%;
            background: var(--primary-grad);
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* 12. Token比价参考 */
        .token-section {
            padding: 80px 0;
            background: rgba(255, 255, 255, 0.4);
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .token-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .token-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #f3f4f6;
            padding-bottom: 12px;
            margin-bottom: 15px;
        }

        .token-name {
            font-weight: 700;
            font-size: 1.1rem;
        }

        .token-price {
            color: #e11d48;
            font-weight: 800;
        }

        .token-card ul {
            list-style: none;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .token-card ul li {
            margin-bottom: 6px;
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .train-section {
            padding: 80px 0;
        }

        .train-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .train-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .train-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .train-icon {
            font-size: 2.2rem;
            margin-bottom: 15px;
        }

        .train-card h3 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .train-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 15/16/17. 常见用户问题 FAQ & 常见问题自助排查 */
        .faq-section {
            padding: 80px 0;
            background: rgba(255, 255, 255, 0.5);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 20px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: #fdf2f8;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #fafbfd;
        }

        .faq-answer-inner {
            padding: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-icon::before {
            content: '+';
            font-weight: bold;
            font-size: 1.2rem;
            color: var(--primary);
        }

        .faq-item.active .faq-icon::before {
            content: '-';
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
        }

        /* 18. AI术语百科 */
        .wiki-section {
            padding: 80px 0;
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .wiki-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .wiki-card h4 {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .wiki-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 19. 行业资讯 / 知识库 (最新文章) */
        .news-section {
            padding: 80px 0;
            background: rgba(255, 255, 255, 0.6);
        }

        .news-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .news-list {
            list-style: none;
        }

        .news-item {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .news-item:hover {
            transform: translateX(5px);
            border-color: var(--primary);
        }

        .news-title {
            font-weight: 700;
            color: var(--text-main);
            text-decoration: none;
            font-size: 1rem;
        }

        .news-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 用户评论 */
        .reviews-section {
            padding: 80px 0;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .review-avatar-placeholder {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .review-user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }

        .review-user-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .review-content {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 21. 加盟代理 */
        .agent-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #e0e7ff 0%, #fef3c7 100%);
            border-radius: 30px;
            text-align: center;
            margin-bottom: 80px;
        }

        .agent-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        .agent-content h2 {
            font-size: 2.2rem;
            font-weight: 900;
            color: #1e1b4b;
            margin-bottom: 15px;
        }

        .agent-content p {
            font-size: 1.1rem;
            color: #4338ca;
            margin-bottom: 30px;
            font-weight: 500;
        }

        /* 页脚与友情链接 */
        footer {
            background: #111827;
            color: #9ca3af;
            padding: 60px 0 20px 0;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo-area {
            margin-bottom: 20px;
        }

        .footer-logo-area img {
            
            height: 35px;
            margin-bottom: 10px;
        }

        .footer-brand {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
        }

        .footer-links-title {
            color: #fff;
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #9ca3af;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-friendship-links {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 25px 0;
            text-align: center;
        }

        .footer-friendship-links span {
            color: #fff;
            margin-right: 15px;
            font-weight: 600;
        }

        .footer-friendship-links a {
            color: #6b7280;
            text-decoration: none;
            margin: 0 10px;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .footer-friendship-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #6b7280;
        }

        /* 浮动客服入口 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: #fff;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 2px solid var(--primary);
            transition: var(--transition);
        }

        .floating-kefu:hover {
            transform: scale(1.1);
        }

        .floating-kefu-pop {
            position: absolute;
            bottom: 75px;
            right: 0;
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            padding: 15px;
            width: 160px;
            text-align: center;
            display: none;
            border: 1px solid var(--border-color);
        }

        .floating-kefu-pop img {
            width: 130px;
            height: 130px;
            border-radius: 6px;
        }

        .floating-kefu-pop p {
            font-size: 0.75rem;
            margin-top: 8px;
            color: var(--text-muted);
            font-weight: bold;
        }

        .floating-kefu:hover .floating-kefu-pop {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.4rem; }
            .metrics-grid { grid-template-columns: repeat(2, 1fr); }
            .about-grid { grid-template-columns: 1fr; }
            .solutions-grid { grid-template-columns: 1fr; }
            .train-grid { grid-template-columns: repeat(2, 1fr); }
            .reviews-grid { grid-template-columns: 1fr; }
            .wiki-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                box-shadow: var(--shadow-md);
            }

            .nav-links.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .network-grid { grid-template-columns: 1fr; }
            .timeline::after { left: 31px; }
            .timeline-container { width: 100%; padding-left: 70px; padding-right: 25px; }
            .timeline-container::after { left: 21px; }
            .right { left: 0%; }
            .cases-grid { grid-template-columns: 1fr; }
            .form-grid { grid-template-columns: 1fr; }
            .form-info-pane { padding: 30px; }
            .form-pane { padding: 30px; }
            .token-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }