:root {
            --primary: #10B981; /* 鲜绿 */
            --primary-light: #D1FAE5;
            --primary-dark: #065F46;
            --accent: #00E676;
            --text-dark: #111827;
            --text-muted: #4B5563;
            --bg-light: #F9FAFB;
            --bg-card: #FFFFFF;
            --border-color: #E5E7EB;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* 基础重置 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 通用布局 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-title-wrap {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

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

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
        }

        .btn-outline {
            border-color: var(--primary);
            color: var(--primary-dark);
            background-color: transparent;
        }

        .btn-outline:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 70px;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-page-logo {
            height: 40px;
            object-fit: contain;
        }

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

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 8px 12px;
            border-radius: 4px;
        }

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

        .nav-btn {
            padding: 8px 20px;
            font-size: 14px;
        }

        /* 移动端菜单切换 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

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

        /* 1. 首页 (Hero区) - 严格无图 */
        .hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(circle at 80% 20%, #E8F5E9 0%, #FFFFFF 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 40%;
            height: 40%;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--primary-dark);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .hero-badge span {
            background-color: var(--primary);
            color: #fff;
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 11px;
        }

        .hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 36px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
        }

        .hero-official-btn {
            font-size: 18px;
            padding: 16px 36px;
            box-shadow: 0 10px 25px rgba(16, 185, 129, 0.4);
            background-color: var(--primary);
            color: #fff;
            border-radius: 8px;
            font-weight: bold;
        }

        .hero-official-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
        }

        /* 3. 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 12px 30px rgba(16, 185, 129, 0.08);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 4px;
        }

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

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

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--text-dark);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

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

        .about-feat-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .about-feat-icon {
            color: var(--primary);
            font-size: 20px;
            line-height: 1;
        }

        .about-feat-title {
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 4px;
        }

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

        /* 3. 全平台AIGC服务 / 模型聚合 */
        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 30px;
        }

        .model-tag {
            padding: 8px 16px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .model-tag:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: scale(1.05);
        }

        .service-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 32px;
            border-radius: 12px;
            transition: var(--transition);
        }

        .service-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 30px rgba(16, 185, 129, 0.08);
            transform: translateY(-5px);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            background-color: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .service-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

        /* 4. 一站式AIGC制作 & 5. 解决方案 */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

        .flow-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .flow-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .flow-img-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #eee;
        }

        .flow-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .flow-content {
            padding: 24px;
        }

        .flow-tag {
            display: inline-block;
            padding: 4px 10px;
            font-size: 12px;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 4px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .flow-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 7. 标准化AIGC流程 & 13. 时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 40px auto 0;
            padding-left: 30px;
            border-left: 2px solid var(--primary-light);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -37px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--primary);
            border: 4px solid var(--bg-light);
        }

        .timeline-step {
            font-size: 12px;
            font-weight: 800;
            color: var(--primary);
            text-transform: uppercase;
        }

        .timeline-title {
            font-size: 18px;
            font-weight: 700;
            margin: 4px 0 8px;
        }

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

        /* 12. Token比价参考表格 */
        .pricing-table-container {
            width: 100%;
            overflow-x: auto;
            margin-top: 30px;
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .pricing-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

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

        .pricing-table th {
            background-color: var(--bg-light);
            font-weight: 700;
            color: var(--text-dark);
        }

        .pricing-table tbody tr:hover {
            background-color: rgba(16, 185, 129, 0.02);
        }

        .price-highlight {
            color: var(--primary-dark);
            font-weight: 700;
        }

        /* 10. 对比评测 - 9.9分推荐 */
        .comparison-layout {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .score-card {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #fff;
            padding: 40px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(16, 185, 129, 0.2);
        }

        .score-title {
            font-size: 20px;
            font-weight: 600;
            opacity: 0.9;
            margin-bottom: 10px;
        }

        .score-number {
            font-size: 72px;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 10px;
        }

        .score-stars {
            font-size: 24px;
            color: #FFD700;
            margin-bottom: 10px;
        }

        .score-desc {
            font-size: 14px;
            opacity: 0.8;
        }

        .comparison-table-wrapper {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
        }

        .comp-table th, .comp-table td {
            padding: 16px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        .comp-table th {
            background-color: var(--bg-light);
            font-weight: 700;
        }

        .check-icon {
            color: var(--primary);
            font-weight: bold;
        }

        .cross-icon {
            color: #EF4444;
        }

        /* 11. 智能需求匹配 (表单区) */
        .form-section {
            background: linear-gradient(180deg, #F3FBF7 0%, #FFFFFF 100%);
        }

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

        .form-intro h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .form-intro p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .form-container {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

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

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            transition: var(--transition);
            background-color: var(--bg-light);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
        }

        textarea.form-control {
            resize: vertical;
            height: 100px;
        }

        /* 16. FAQ 折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 40px auto 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-header {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            font-weight: 600;
            font-size: 16px;
        }

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

        .faq-item.active .faq-header::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: rgba(16, 185, 129, 0.01);
        }

        .faq-content {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-body {
            max-height: 300px;
        }

        .faq-item.active .faq-content {
            border-top-color: var(--border-color);
        }

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .review-card {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 12px 30px rgba(16, 185, 129, 0.05);
        }

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

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary-dark);
            font-weight: bold;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .review-meta h4 {
            font-size: 15px;
            font-weight: 700;
        }

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

        .review-comment {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 19. 行业资讯 / 知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

        .article-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .article-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .article-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        .contact-info {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .contact-card {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
        }

        .contact-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary-dark);
        }

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

        .contact-qr-wrapper {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
        }

        .contact-qr-wrapper img {
            width: 140px;
            height: 140px;
            margin: 0 auto 16px;
            border: 1px solid var(--border-color);
            padding: 6px;
            background: #fff;
        }

        .contact-qr-wrapper p {
            font-size: 14px;
            font-weight: 600;
        }

        .contact-qr-wrapper span {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
            margin-top: 4px;
        }

        /* 页脚与友情链接 */
        .footer {
            background-color: #111827;
            color: #9CA3AF;
            padding: 60px 0 30px;
            font-size: 14px;
        }

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

        .footer-logo {
            
            height: 38px;
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.6;
        }

        .footer-col h5 {
            color: #F3F4F6;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 10px;
        }

        .friend-links a {
            background-color: #1F2937;
            padding: 6px 12px;
            border-radius: 4px;
            color: #D1D5DB;
            font-size: 12px;
        }

        .friend-links a:hover {
            background-color: var(--primary-dark);
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid #1F2937;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-copyright {
            font-size: 12px;
        }

        /* 侧边浮动客服 */
        .float-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .float-item:hover {
            background-color: var(--primary-dark);
            transform: scale(1.05);
        }

        .float-item svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .float-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            width: 200px;
            display: none;
            text-align: center;
        }

        .float-popover img {
            width: 120px;
            height: 120px;
            margin: 0 auto 10px;
        }

        .float-popover p {
            color: var(--text-dark);
            font-size: 12px;
            font-weight: 600;
        }

        .float-item:hover .float-popover {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid, .service-cards, .flow-grid, .reviews-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .form-layout, .comparison-layout, .contact-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #fff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            }

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

            .menu-toggle {
                display: flex;
            }

            .stats-grid, .service-cards, .flow-grid, .reviews-grid, .articles-grid {
                grid-template-columns: 1fr;
            }

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

            .hero-desc {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-official-btn {
                width: 100%;
                max-width: 300px;
            }

            .contact-info {
                grid-template-columns: 1fr;
            }
        }