:root {
            --primary: #7c3aed; /* 科技紫 */
            --secondary: #db2777; /* 艳丽粉 */
            --accent: #06b6d4; /* 极光青 */
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            --border-color: #e2e8f0;
            --shadow-vibrant: 0 10px 30px -10px rgba(124, 58, 237, 0.3);
            --gradient-vibrant: linear-gradient(135deg, #7c3aed 0%, #db2777 50%, #06b6d4 100%);
            --gradient-soft: linear-gradient(135deg, rgba(124,58,237,0.05) 0%, rgba(219,39,119,0.05) 100%);
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }

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

        .logo-area img {
            height: 40px;
            width: auto;
        }

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

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
        }

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

        .nav-btn {
            background: var(--gradient-vibrant);
            color: #ffffff;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: bold;
            box-shadow: var(--shadow-vibrant);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px -8px rgba(124, 58, 237, 0.5);
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* 网页统一容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 80px 20px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            background: var(--gradient-vibrant);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            margin-bottom: 15px;
        }

        .section-header p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 16px;
        }

        /* 首屏 (Hero) - 严禁出现图片 */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(124, 58, 237, 0.08) 0%, rgba(219, 39, 119, 0.05) 90.2%);
            padding: 120px 20px 100px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 60%);
            pointer-events: none;
            animation: rotateBg 20s linear infinite;
        }

        @keyframes rotateBg {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .hero-content {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            z-index: 10;
        }

        .hero-badge {
            background: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 25px;
            border: 1px solid rgba(124, 58, 237, 0.2);
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 25px;
            background: var(--gradient-vibrant);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-primary {
            background: var(--gradient-vibrant);
            color: #ffffff;
            padding: 15px 35px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: bold;
            box-shadow: var(--shadow-vibrant);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 15px 40px -8px rgba(124, 58, 237, 0.6);
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--text-main);
            padding: 15px 35px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: bold;
            border: 2px solid var(--border-color);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: var(--border-color);
            transform: scale(1.05);
        }

        /* 2. 数据指标卡片 (关于我们 & 平台介绍) */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            margin-top: 50px;
        }

        .stat-card {
            background: var(--bg-card);
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            text-align: center;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

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

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            justify-content: center;
            align-items: baseline;
        }

        .stat-num small {
            font-size: 16px;
            color: var(--text-muted);
            margin-left: 5px;
        }

        .stat-title {
            font-weight: bold;
            color: var(--text-main);
            margin-bottom: 5px;
        }

        .stat-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 3. 服务与制作 (全平台AIGC服务 / 一站式AIGC制作) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            padding: 40px 30px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-vibrant);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px -15px rgba(0,0,0,0.1);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: rgba(124, 58, 237, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 25px;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag {
            background: #f1f5f9;
            color: var(--text-muted);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
        }

        /* AI平台聚合走马灯 */
        .platform-ticker {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 25px 0;
            overflow: hidden;
            position: relative;
        }

        .ticker-wrapper {
            display: flex;
            width: max-content;
            animation: ticker 40s linear infinite;
        }

        .ticker-item {
            padding: 0 30px;
            font-weight: 700;
            font-size: 16px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        @keyframes ticker {
            0% { transform: translate3d(0, 0, 0); }
            100% { transform: translate3d(-50%, 0, 0); }
        }

        /* 4. 行业解决方案与流程 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background: var(--bg-card);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px -10px rgba(0,0,0,0.15);
        }

        .solution-content {
            padding: 25px;
        }

        .solution-content h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .solution-content p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 时间线 (标准化流程) */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: var(--bg-card);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -8px;
        }

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

        /* 5. 技术标准与全国服务网络 */
        .standards-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

        .standards-list li {
            margin-bottom: 20px;
            padding-left: 30px;
            position: relative;
        }

        .standards-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent);
            font-weight: bold;
            font-size: 18px;
        }

        /* 6. 客户案例中心 (包含横版图) */
        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .case-img-wrapper {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: #f1f5f9;
        }

        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .case-info {
            padding: 25px;
        }

        .case-badge {
            background: var(--gradient-soft);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 15px;
        }

        /* 7. 对比评测 (严格按要求打分) */
        .comparison-section {
            background: var(--gradient-soft);
            border-radius: 32px;
            padding: 60px 40px;
            border: 1px solid rgba(124,58,237,0.1);
        }

        .comparison-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 40px;
        }

        .recommendation-score {
            background: var(--bg-card);
            padding: 20px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: 0 10px 20px -10px rgba(0,0,0,0.05);
        }

        .score-num {
            font-size: 48px;
            font-weight: 900;
            color: var(--secondary);
            line-height: 1;
        }

        .score-stars {
            color: #fbbf24;
            font-size: 20px;
        }

        .table-responsive {
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            min-width: 700px;
        }

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

        .comparison-table th {
            background-color: #f1f5f9;
            font-weight: 700;
            color: var(--text-main);
        }

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

        .comparison-table td.highlight {
            background-color: rgba(124, 58, 237, 0.02);
            font-weight: bold;
            color: var(--primary);
        }

        /* 8. 职业技术培训 & 人工智能培训 */
        .training-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
        }

        .training-card {
            background: var(--bg-card);
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: all 0.3s ease;
        }

        .training-card:hover {
            border-color: var(--accent);
            box-shadow: 0 10px 20px -10px rgba(6, 182, 212, 0.3);
            transform: translateY(-5px);
        }

        .training-icon {
            font-size: 40px;
            margin-bottom: 20px;
            display: block;
        }

        /* 9. Token比价参考 */
        .token-card {
            background: var(--bg-card);
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 40px;
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .token-item {
            padding: 20px;
            border-radius: 16px;
            background: var(--bg-main);
            border: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .token-price {
            font-weight: 800;
            color: var(--accent);
        }

        /* 10. 智能需求匹配表单 & 转化 */
        .matching-form-wrapper {
            background: var(--bg-card);
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: 0 20px 40px -15px rgba(0,0,0,0.05);
            max-width: 800px;
            margin: 0 auto;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        .form-group input, .form-group select, .form-group textarea {
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            font-family: inherit;
            font-size: 14px;
            background-color: var(--bg-main);
            outline: none;
            transition: all 0.3s ease;
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
        }

        /* 11. FAQ 折叠面板 & 术语百科 & 排查 */
        .faq-grid {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-question {
            padding: 20px 25px;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-answer {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            color: var(--text-muted);
            font-size: 14px;
        }

        .faq-item.active .faq-answer {
            padding-bottom: 20px;
            max-height: 500px;
        }

        .faq-icon::after {
            content: '+';
            font-size: 20px;
            font-weight: bold;
            color: var(--primary);
        }

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

        /* 12. 客户评论卡片 (6条) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

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

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

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient-vibrant);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .review-meta h4 {
            font-size: 16px;
            font-weight: 700;
        }

        .review-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .review-stars {
            color: #fbbf24;
            margin-bottom: 10px;
        }

        .review-content {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 13. 资讯知识库 (带方版图) */
        .kb-container {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 50px;
        }

        .kb-featured-card {
            background: var(--bg-card);
            border-radius: 24px;
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .kb-featured-img {
            aspect-ratio: 1;
            background-color: #f1f5f9;
        }

        .kb-featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .kb-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .kb-item {
            background: var(--bg-card);
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: all 0.3s ease;
        }

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

        .kb-item h4 {
            font-size: 16px;
            font-weight: bold;
        }

        .kb-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .kb-item a {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 14. 加盟代理 & 客服 (包含二维码) */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
        }

        .contact-info-card {
            background: var(--bg-card);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
        }

        .contact-list {
            display: flex;
            flex-direction: column;
            gap: 25px;
            margin-top: 30px;
        }

        .contact-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .contact-icon {
            font-size: 24px;
            color: var(--primary);
        }

        .contact-details h4 {
            font-weight: 700;
            margin-bottom: 5px;
        }

        .contact-details p {
            color: var(--text-muted);
            font-size: 14px;
        }

        .qr-card {
            background: var(--bg-card);
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 40px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .qr-wrapper {
            background: #ffffff;
            padding: 15px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            margin-bottom: 20px;
            width: 200px;
            height: 200px;
        }

        .qr-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        /* 浮动组件 */
        .float-panel {
            position: fixed;
            right: 20px;
            bottom: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--bg-card);
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid var(--border-color);
            font-size: 20px;
            transition: all 0.3s ease;
        }

        .float-btn:hover {
            background: var(--primary);
            color: #ffffff;
            transform: scale(1.1);
        }

        /* 页脚 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 20px 0;
            font-size: 14px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: #ffffff;
            margin-bottom: 20px;
            font-size: 22px;
        }

        .footer-brand p {
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .footer-links h4 {
            color: #ffffff;
            margin-bottom: 20px;
            font-size: 16px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            border-top: 1px solid #334155;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .friend-links a {
            color: #64748b;
        }

        .friend-links a:hover {
            color: var(--accent);
        }

        /* 响应式调整 */
        @media (max-width: 968px) {
            .menu-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--bg-card);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
            }

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

            .standards-container, .cases-grid, .kb-container, .contact-grid {
                grid-template-columns: 1fr;
            }

            .timeline::after {
                left: 31px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .timeline-item.right {
                left: 0;
            }

            .timeline-item::after {
                left: 23px;
            }

            .timeline-item.right::after {
                left: 23px;
            }

            .form-grid {
                grid-template-columns: 1fr;
            }

            .form-group.full-width {
                grid-column: span 1;
            }
        }