:root {
            --primary: #6366f1;
            --primary-light: #818cf8;
            --secondary: #ec4899;
            --accent: #14b8a6;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --bg-main: #fafafa;
            --bg-card: #ffffff;
            --border-color: #e2e8f0;
            --gradient-accent: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #14b8a6 100%);
            --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);
            --radius: 12px;
        }

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

        html {
            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;
            -webkit-font-smoothing: antialiased;
        }

        /* 统一容器规范 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--secondary);
        }

        /* 斑斓彩条背景修饰线 */
        .color-strip {
            height: 6px;
            background: var(--gradient-accent);
            width: 100%;
            position: sticky;
            top: 0;
            z-index: 1001;
        }

        /* 导航栏 */
        header.site-header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 6px;
            z-index: 1000;
        }

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

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

        .logo-area img {
            height: 38px;
            width: auto;
        }

        .logo-area span {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav.main-nav {
            display: flex;
            gap: 24px;
            align-items: center;
        }

        nav.main-nav a {
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 500;
        }

        nav.main-nav a:hover {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .header-btn {
            background: var(--gradient-accent);
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 4px 10px rgba(99, 102, 241, 0.2);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .header-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 15px rgba(99, 102, 241, 0.3);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-main);
        }

        /* 首屏 (Hero) - 严格禁止图片资源 */
        .hero-section {
            padding: 100px 0 80px 0;
            background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 90.1%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(99, 102, 241, 0.08);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(99, 102, 241, 0.15);
        }

        .hero-section h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            color: #0f172a;
        }

        .hero-section h1 span {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 760px;
            margin: 0 auto 36px auto;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
            transition: all 0.3s;
        }

        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(99, 102, 241, 0.45);
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--text-main);
            border: 1px solid var(--border-color);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            background: #f8fafc;
            border-color: #cbd5e1;
            transform: translateY(-2px);
        }

        /* 核心卖点简报 (数据指标卡片) */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .stat-card h3 {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 8px;
            font-weight: 700;
        }

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

        /* 通用区块设置 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #0f172a;
        }

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

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .about-features {
            margin-top: 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .about-feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: var(--text-main);
        }

        .about-feature-item span {
            color: var(--accent);
            font-weight: bold;
        }

        .about-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .about-media img {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        /* 全平台AIGC服务 (模型列表) */
        .service-intro-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 12px;
            margin-top: 30px;
        }

        .model-tag {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: 8px;
            text-align: center;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all 0.2s;
            box-shadow: var(--shadow-sm);
        }

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

        /* 一站式AIGC制作场景与解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s;
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-top: 4px solid var(--primary);
        }

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

        .solution-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }

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

        /* 全国服务网络 */
        .map-section {
            background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
            text-align: center;
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .network-node {
            background: rgba(255,255,255,0.7);
            border: 1px dashed var(--primary-light);
            padding: 20px;
            border-radius: var(--radius);
        }

        .network-node h4 {
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* 标准化AIGC流程 */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .flow-step {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius);
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 32px;
            height: 32px;
            background: var(--gradient-accent);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px auto;
            font-weight: 800;
            font-size: 0.85rem;
        }

        .flow-step h4 {
            margin-bottom: 8px;
            font-size: 1rem;
        }

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

        /* 对比评测表格与技术标准 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        table.comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        table.comparison-table th, table.comparison-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        table.comparison-table th {
            background-color: #f8fafc;
            color: var(--text-main);
            font-weight: 700;
        }

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

        .highlight-cell {
            background-color: rgba(99, 102, 241, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        .rating-badge {
            background: var(--gradient-accent);
            color: white;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 800;
            display: inline-block;
        }

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

        .case-image {
            height: 220px;
            overflow: hidden;
        }

        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-info {
            padding: 24px;
        }

        .case-tag {
            color: var(--secondary);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-info h3 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }

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

        /* 职业技术与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .training-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--accent);
        }

        .training-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .badge-gov {
            background: #f1f5f9;
            color: var(--text-main);
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* 帮助中心与自助排查 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: var(--bg-card);
            overflow: hidden;
        }

        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #f8fafc;
            user-select: none;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: transform 0.2s;
        }

        .faq-item.active .faq-question::after {
            content: "−";
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .faq-item.active .faq-answer {
            padding: 16px 20px;
            max-height: 200px;
        }

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

        .diagnostic-card h3 {
            margin-bottom: 20px;
            color: var(--text-main);
        }

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

        .diagnostic-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
        }

        .diagnostic-list li:last-child {
            border-bottom: none;
        }

        .diagnostic-list span {
            color: var(--secondary);
            font-weight: bold;
        }

        /* AI术语百科 & 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .tag-cloud-item {
            background: #f1f5f9;
            color: var(--text-main);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient-accent);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .review-meta h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

        .review-meta span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .review-content {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.2s;
        }

        .news-card:hover {
            transform: translateY(-4px);
        }

        .news-card-content {
            padding: 24px;
        }

        .news-card-content h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .news-card-content a {
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* 需求匹配表单 & 联系我们 & 加盟代理 */
        .contact-section {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.02) 0%, rgba(20, 184, 166, 0.02) 100%);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
        }

        .form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            outline: none;
            transition: border-color 0.2s;
            font-size: 0.95rem;
        }

        .form-control:focus {
            border-color: var(--primary);
        }

        .btn-submit {
            width: 100%;
            background: var(--gradient-accent);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.2s;
        }

        .btn-submit:hover {
            opacity: 0.9;
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary);
            line-height: 1;
        }

        .contact-detail h4 {
            margin-bottom: 6px;
            font-size: 1.1rem;
        }

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

        .qrcode-box {
            display: flex;
            gap: 20px;
            margin-top: 10px;
            flex-wrap: wrap;
        }

        .qrcode-item {
            text-align: center;
            background: #fff;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
        }

        .qrcode-item img {
            width: 120px;
            height: 120px;
            display: block;
            margin-bottom: 8px;
        }

        .qrcode-item span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 友情链接 */
        .friend-links {
            padding: 30px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            background: #fff;
            text-align: center;
        }

        .friend-links h4 {
            margin-bottom: 16px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .friend-links-list {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .friend-links-list a {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

        /* 页脚 */
        footer.site-footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: #94a3b8;
        }

        .footer-col ul li a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid #1e293b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 返回顶部 & 浮动客服 */
        .fixed-widgets {
            position: fixed;
            right: 24px;
            bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .widget-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #ffffff;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: all 0.2s;
            position: relative;
        }

        .widget-btn:hover {
            transform: translateY(-2px);
            background: var(--gradient-accent);
            color: white;
            border-color: transparent;
        }

        .widget-btn .hover-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            padding: 10px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            display: none;
        }

        .widget-btn:hover .hover-qr {
            display: block;
        }

        .widget-btn .hover-qr img {
            width: 100px;
            height: 100px;
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .solutions-grid { grid-template-columns: repeat(2, 1fr); }
            .training-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .reviews-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            nav.main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                gap: 16px;
            }
            
            nav.main-nav.active {
                display: flex;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero-section h1 { font-size: 2.1rem; }
            .about-grid, .contact-grid, .help-grid { grid-template-columns: 1fr; }
            .flow-steps { grid-template-columns: 1fr; }
            .case-grid { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .reviews-grid { grid-template-columns: 1fr; }
            .network-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 480px) {
            .stats-grid { grid-template-columns: 1fr; }
            .network-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }