:root {
            --primary: #0052ff;
            --primary-hover: #0041cc;
            --secondary: #ff5a00;
            --secondary-hover: #e04f00;
            --accent: #7c3aed;
            --accent-light: #f3e8ff;
            --success: #10b981;
            --dark: #0f172a;
            --light: #f8fafc;
            --white: #ffffff;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-400: #94a3b8;
            --gray-600: #475569;
            --border-width: 3px;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.2s ease;
        }

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

        /* 撞色艳色风全局组件样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 700;
            font-size: 16px;
            border-radius: 0;
            border: var(--border-width) solid var(--dark);
            cursor: pointer;
            transition: transform 0.15s ease, box-shadow 0.15s ease;
            box-shadow: 4px 4px 0px var(--dark);
            background: var(--white);
            color: var(--dark);
        }

        .btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--dark);
        }

        .btn:active {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px var(--dark);
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
        }

        .btn-secondary {
            background-color: var(--secondary);
            color: var(--white);
        }

        .btn-accent {
            background-color: var(--accent);
            color: var(--white);
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 16px;
            color: var(--dark);
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 6px;
            background: var(--secondary);
            border: 2px solid var(--dark);
            z-index: -1;
        }

        .section-desc {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px auto;
            color: var(--gray-600);
            font-size: 18px;
        }

        .card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 6px 6px 0px var(--dark);
            padding: 32px;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .card:hover {
            transform: translate(-4px, -4px);
            box-shadow: 10px 10px 0px var(--dark);
        }

        /* 顶部导航 */
        header {
            background-color: var(--white);
            border-bottom: var(--border-width) solid var(--dark);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

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

        .ai-page-logo {
            height: 45px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            gap: 24px;
            list-style: none;
        }

        .nav-link {
            font-weight: 700;
            font-size: 15px;
            color: var(--dark);
            padding: 8px 12px;
            border: 2px solid transparent;
        }

        .nav-link:hover {
            background: var(--accent-light);
            border: 2px solid var(--dark);
        }

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

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 28px;
            height: 3px;
            background-color: var(--dark);
            transition: 0.3s;
        }

        /* 模块公共间距 */
        section {
            padding: 80px 0;
            border-bottom: var(--border-width) solid var(--dark);
        }

        /* 1. Hero 首屏 - 撞色排版，无图片 */
        .hero-section {
            background: linear-gradient(135deg, #e0f2fe 0%, #ffe4e6 100%);
            padding: 100px 0 80px 0;
            position: relative;
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 24px;
            text-transform: uppercase;
        }

        .hero-badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--white);
            padding: 6px 12px;
            font-weight: 800;
            font-size: 14px;
            border: 2px solid var(--dark);
            margin-bottom: 16px;
            transform: rotate(-1deg);
        }

        .hero-desc {
            font-size: 20px;
            color: var(--gray-600);
            margin-bottom: 32px;
            font-weight: 500;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stats-box {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 8px 8px 0px var(--dark);
            padding: 30px;
            transform: rotate(1deg);
        }

        .stat-item {
            margin-bottom: 20px;
        }

        .stat-item:last-child {
            margin-bottom: 0;
        }

        .stat-val {
            font-size: 36px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .stat-lbl {
            font-size: 14px;
            font-weight: 700;
            color: var(--gray-600);
            margin-top: 4px;
        }

        /* 2. 关于我们与平台介绍 */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-text p {
            font-size: 16px;
            color: var(--gray-600);
            margin-bottom: 20px;
        }

        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .intro-feat-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 20px;
            box-shadow: 4px 4px 0px var(--dark);
        }

        .intro-feat-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--accent);
        }

        /* 3. 全平台AIGC服务 - 标签云与模型展示 */
        .models-wrapper {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 40px;
            box-shadow: 6px 6px 0px var(--dark);
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-tag {
            font-size: 15px;
            font-weight: 700;
            padding: 8px 16px;
            background: var(--light);
            border: 2px solid var(--dark);
            transition: all 0.15s ease;
        }

        .model-tag:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }

        .model-tag.highlight {
            background: var(--secondary);
            color: var(--white);
        }

        /* 4. 一站式AIGC制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .service-card {
            border-top: 8px solid var(--primary);
        }

        .service-card:nth-child(2n) {
            border-top-color: var(--secondary);
        }

        .service-card:nth-child(3n) {
            border-top-color: var(--accent);
        }

        .service-icon {
            font-size: 40px;
            margin-bottom: 16px;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        /* 5. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .solution-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 24px;
            box-shadow: 4px 4px 0px var(--dark);
            border-left: 8px solid var(--accent);
        }

        /* 6. 全国服务网络 */
        .network-section {
            background-color: var(--white);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

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

        .network-item {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
            padding: 16px;
            border: 2px solid var(--dark);
            background: var(--light);
        }

        .network-dot {
            width: 16px;
            height: 16px;
            background: var(--success);
            border: 2px solid var(--dark);
            border-radius: 50%;
        }

        .network-map-placeholder {
            border: var(--border-width) solid var(--dark);
            padding: 24px;
            background: var(--accent-light);
            text-align: center;
            box-shadow: 6px 6px 0px var(--dark);
        }

        .network-cities {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 20px;
        }

        .city-tag {
            background: var(--white);
            border: 2px solid var(--dark);
            padding: 8px;
            font-weight: 700;
            text-align: center;
        }

        /* 7. 标准化AIGC流程 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
            position: relative;
        }

        .step-card {
            position: relative;
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 30px;
            box-shadow: 6px 6px 0px var(--dark);
        }

        .step-num {
            position: absolute;
            top: -20px;
            right: 20px;
            font-size: 48px;
            font-weight: 900;
            color: var(--accent);
            opacity: 0.2;
        }

        /* 8. 技术标准 */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .tech-card {
            border-left: 6px solid var(--success);
        }

        /* 9. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .case-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 6px 6px 0px var(--dark);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-img-container {
            border-bottom: var(--border-width) solid var(--dark);
            background: var(--gray-100);
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

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

        .case-body {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 700;
            border: 2px solid var(--dark);
            margin-bottom: 12px;
        }

        /* 10. 对比评测 - 核心组件 */
        .rating-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            background: var(--secondary);
            color: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 24px;
            box-shadow: 6px 6px 0px var(--dark);
            margin-bottom: 40px;
        }

        .rating-stars {
            font-size: 32px;
            color: #facc15;
            text-shadow: 2px 2px 0px var(--dark);
        }

        .rating-score {
            font-size: 40px;
            font-weight: 900;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: var(--border-width) solid var(--dark);
            box-shadow: 6px 6px 0px var(--dark);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--white);
            text-align: left;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border: 2px solid var(--dark);
            font-size: 15px;
        }

        .compare-table th {
            background: var(--dark);
            color: var(--white);
            font-weight: 800;
        }

        .compare-table tr:nth-child(even) {
            background: var(--light);
        }

        .compare-table td.highlight-td {
            background: var(--accent-light);
            font-weight: 700;
        }

        /* 11. 智能需求匹配 - 表单 */
        .form-section {
            background: linear-gradient(135deg, #fef08a 0%, #f9a8d4 100%);
        }

        .form-wrapper {
            max-width: 700px;
            margin: 0 auto;
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 40px;
            box-shadow: 8px 8px 0px var(--dark);
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-group label {
            display: block;
            font-weight: 800;
            margin-bottom: 8px;
            font-size: 16px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            font-size: 16px;
            border: var(--border-width) solid var(--dark);
            border-radius: 0;
            background: var(--light);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background: var(--white);
        }

        /* 12. Token比价参考 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .price-card {
            text-align: center;
        }

        .price-val {
            font-size: 28px;
            font-weight: 900;
            color: var(--secondary);
            margin: 16px 0;
        }

        /* 13 & 14. 职业技术与人工智能培训 */
        .train-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
        }

        .train-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .train-item {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 20px;
            box-shadow: 4px 4px 0px var(--dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .train-title {
            font-weight: 800;
            font-size: 18px;
        }

        .train-badge {
            background: var(--success);
            color: var(--white);
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 700;
            border: 2px solid var(--dark);
        }

        /* 15 & 16. FAQ 折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            margin-bottom: 16px;
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 800;
            font-size: 18px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            border-top: 0 solid var(--dark);
            color: var(--gray-600);
            font-size: 15px;
        }

        .faq-item.active .faq-answer {
            padding: 20px 24px;
            max-height: 500px;
            border-top-width: 2px;
        }

        .faq-icon::after {
            content: '+';
            font-size: 24px;
            font-weight: 800;
        }

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

        /* 17. 常见问题自助排查 */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .troubleshoot-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 24px;
            box-shadow: 4px 4px 0px var(--dark);
        }

        .troubleshoot-card h4 {
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--secondary);
        }

        /* 18. AI术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .wiki-card {
            background: var(--white);
            border: 2px solid var(--dark);
            padding: 16px;
            border-radius: 0;
        }

        .wiki-card h5 {
            font-weight: 800;
            font-size: 16px;
            margin-bottom: 6px;
            color: var(--primary);
        }

        /* 19. 行业资讯 / 知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .article-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 24px;
            box-shadow: 4px 4px 0px var(--dark);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .article-link {
            font-weight: 700;
            color: var(--primary);
            text-decoration: underline;
        }

        /* 20 & 21. 联系我们 & 加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
        }

        .partner-box {
            background: var(--accent-light);
            border: var(--border-width) solid var(--dark);
            padding: 40px;
            box-shadow: 6px 6px 0px var(--dark);
        }

        .contact-info-list {
            list-style: none;
            margin-top: 24px;
        }

        .contact-info-list li {
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            font-weight: 700;
        }

        .qr-code-wrapper {
            margin-top: 24px;
            border: 2px solid var(--dark);
            display: inline-block;
            padding: 12px;
            background: var(--white);
        }

        .qr-code-wrapper img {
            width: 150px;
            height: 150px;
            display: block;
        }

        /* 用户评论 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .testimonial-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 24px;
            box-shadow: 4px 4px 0px var(--dark);
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 16px;
            color: var(--gray-600);
        }

        .testimonial-author {
            font-weight: 800;
            text-align: right;
            color: var(--accent);
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 60px 0 30px 0;
            border-top: var(--border-width) solid var(--dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 24px;
            font-weight: 900;
            margin-bottom: 16px;
            color: var(--secondary);
        }

        .footer-brand p {
            color: var(--gray-400);
            font-size: 14px;
        }

        .footer-links h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--white);
        }

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

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

        .footer-links a {
            color: var(--gray-400);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }

        .friend-links a {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            color: var(--white);
            padding: 6px 12px;
            font-size: 12px;
            border: 1px solid var(--gray-600);
        }

        .friend-links a:hover {
            background: var(--primary);
            border-color: var(--white);
        }

        .footer-bottom {
            border-top: 1px solid var(--gray-600);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            color: var(--gray-400);
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 浮动客服 */
        .floating-contact {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 60px;
            height: 60px;
            border-radius: 0;
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            background: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s ease;
            position: relative;
        }

        .float-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--dark);
        }

        .float-btn svg {
            width: 28px;
            height: 28px;
            fill: var(--dark);
        }

        .float-qr {
            position: absolute;
            right: 75px;
            bottom: 0;
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 12px;
            box-shadow: 4px 4px 0px var(--dark);
            display: none;
            text-align: center;
        }

        .float-qr img {
            width: 120px;
            height: 120px;
        }

        .float-qr span {
            display: block;
            font-size: 12px;
            font-weight: 800;
            margin-top: 8px;
            color: var(--dark);
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .hero-grid, .intro-grid, .network-grid, .train-grid, .contact-grid, .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-content h1 {
                font-size: 32px;
            }

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

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--white);
                border-bottom: var(--border-width) solid var(--dark);
                padding: 20px;
                gap: 16px;
                box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            }

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

            .menu-toggle {
                display: flex;
            }

            .nav-btn-group {
                display: none;
            }

            .section-title {
                font-size: 26px;
            }
        }