/* 基础变量定义 - 桃红艳丽风 */
        :root {
            --primary-color: #E91E63;       /* 核心桃红 */
            --primary-hover: #D81B60;       /* 悬停深桃红 */
            --primary-light: #FCE4EC;       /* 浅粉 */
            --secondary-color: #9C27B0;     /* 艳紫 */
            --dark-color: #2D0B14;          /* 极深桃黑 */
            --text-color: #4A3B40;          /* 暖灰正文 */
            --bg-color: #FFF9FB;            /* 浅粉白底色 */
            --card-bg: #FFFFFF;             /* 卡片纯白 */
            --border-color: #F8BBD0;        /* 柔粉边框 */
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        /* 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, "Noto Sans CJK SC", sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
        }
        body {
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }

        /* 统一容器规范 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            color: var(--dark-color);
            margin-bottom: 15px;
            position: relative;
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-subtitle {
            text-align: center;
            color: #8C7B80;
            margin-bottom: 50px;
            font-size: 1.1rem;
        }

        /* 按钮样式 */
        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 1rem;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: #fff !important;
            box-shadow: 0 4px 15px rgba(233, 30, 99, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(233, 30, 99, 0.4);
        }
        .btn-secondary {
            background-color: var(--primary-light);
            color: var(--primary-color) !important;
            border: 1px solid var(--border-color);
        }
        .btn-secondary:hover {
            background-color: var(--border-color);
            transform: translateY(-2px);
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 249, 251, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(233, 30, 99, 0.05);
            z-index: 1000;
            transition: var(--transition);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-link {
            color: var(--dark-color);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 5px 0;
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }
        .mobile-toggle span {
            width: 25px;
            height: 30px;
            height: 3px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }

        /* 1. 首页 (Hero首屏) - 严格禁止出现图片 */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 64, 129, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(156, 39, 176, 0.08) 0%, transparent 50%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            color: var(--primary-color);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid var(--border-color);
        }
        .hero-h1 {
            font-size: 2.8rem;
            color: var(--dark-color);
            line-height: 1.3;
            margin-bottom: 20px;
            font-weight: 800;
        }
        .hero-desc {
            max-width: 750px;
            margin: 0 auto 35px;
            font-size: 1.2rem;
            color: var(--text-color);
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        /* 2. 数据指标卡片 */
        .stats-section {
            background-color: var(--card-bg);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 50px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            text-align: center;
        }
        .stat-card h3 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 5px;
            font-weight: 800;
        }
        .stat-card p {
            font-size: 0.95rem;
            color: #8C7B80;
        }

        /* 3. 关于我们 / 平台介绍 */
        .about-section {
            background-color: var(--bg-color);
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            color: var(--dark-color);
            margin-bottom: 20px;
        }
        .about-list {
            list-style: none;
            margin-top: 20px;
        }
        .about-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-size: 0.98rem;
        }
        .about-list li::before {
            content: "✦";
            position: absolute;
            left: 0;
            color: var(--primary-color);
        }

        /* 4. 全平台AIGC服务 */
        .services-section {
            background-color: var(--card-bg);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }
        .service-card {
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(233, 30, 99, 0.08);
            border-color: var(--primary-color);
        }
        .service-icon {
            font-size: 2rem;
            margin-bottom: 15px;
            display: inline-block;
        }
        .service-card h3 {
            font-size: 1.3rem;
            color: var(--dark-color);
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--text-color);
        }

        /* 聚合平台标签云 */
        .tag-cloud-wrapper {
            margin-top: 40px;
            background-color: var(--bg-color);
            padding: 25px;
            border-radius: 12px;
            border: 1px dashed var(--border-color);
            text-align: center;
        }
        .tag-cloud-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 15px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
        }
        .tag-item {
            background-color: #fff;
            border: 1px solid var(--border-color);
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 0.85rem;
            color: var(--text-color);
            transition: var(--transition);
        }
        .tag-item:hover {
            background-color: var(--primary-color);
            color: #fff;
            border-color: var(--primary-color);
        }

        /* 5. 一站式AIGC制作 & 全行业解决方案 */
        .solutions-section {
            background-color: var(--bg-color);
        }
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .solution-card {
            background-color: var(--card-bg);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
            transition: var(--transition);
            border: 1px solid rgba(248, 187, 208, 0.3);
        }
        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(233, 30, 99, 0.1);
        }
        .solution-content {
            padding: 25px;
        }
        .solution-content h3 {
            font-size: 1.3rem;
            color: var(--dark-color);
            margin-bottom: 10px;
        }
        .solution-content p {
            font-size: 0.92rem;
            color: var(--text-color);
        }

        /* 6. 全国服务网络 & 价格参考/时间线 */
        .network-section {
            background-color: var(--card-bg);
        }
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }
        .timeline-item {
            position: relative;
            background-color: var(--bg-color);
            padding: 25px;
            border-radius: 12px;
            border-left: 4px solid var(--primary-color);
        }
        .timeline-step {
            font-size: 0.85rem;
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 5px;
        }
        .timeline-title {
            font-size: 1.1rem;
            color: var(--dark-color);
            margin-bottom: 8px;
            font-weight: 600;
        }

        /* 7. 标准化AIGC流程 & 技术标准 */
        .process-section {
            background-color: var(--bg-color);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        .process-card {
            text-align: center;
            background-color: var(--card-bg);
            padding: 30px 20px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            position: relative;
        }
        .process-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-weight: 700;
        }

        /* 8. 客户案例中心 - 包含图片区 */
        .case-section {
            background-color: var(--card-bg);
        }
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .case-card {
            background-color: var(--bg-color);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .case-img-container {
            position: relative;
            background-color: #eaeaea;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .case-body {
            padding: 20px;
        }
        .case-tag {
            display: inline-block;
            padding: 2px 8px;
            background-color: var(--primary-light);
            color: var(--primary-color);
            font-size: 0.75rem;
            border-radius: 4px;
            margin-bottom: 10px;
        }
        .case-title {
            font-size: 1.15rem;
            color: var(--dark-color);
            font-weight: 700;
            margin-bottom: 5px;
        }

        /* 9. 对比评测 - 突出推荐指标 */
        .review-section {
            background-color: var(--bg-color);
        }
        .review-header {
            display: flex;
            justify-content: space-around;
            align-items: center;
            background-color: var(--card-bg);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }
        .score-box {
            text-align: center;
        }
        .score-num {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary-color);
            line-height: 1;
        }
        .score-star {
            color: #FFB300;
            font-size: 1.5rem;
            margin-top: 5px;
        }
        .compare-table-wrapper {
            width: 100%;
            overflow-x: auto;
            background-color: var(--card-bg);
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(248, 187, 208, 0.3);
        }
        .compare-table th {
            background-color: var(--primary-light);
            color: var(--dark-color);
            font-weight: 700;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table td.highlight {
            background-color: rgba(252, 228, 236, 0.3);
            font-weight: 600;
            color: var(--primary-color);
        }

        /* 10. Token比价参考 */
        .token-section {
            background-color: var(--card-bg);
        }

        /* 11. 职业技术培训 & 人工智能培训 */
        .training-section {
            background-color: var(--bg-color);
        }
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }
        .training-card {
            background-color: var(--card-bg);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
            transition: var(--transition);
        }
        .training-card:hover {
            transform: translateY(-3px);
            border-color: var(--secondary-color);
        }
        .training-badge {
            display: inline-block;
            background-color: var(--secondary-color);
            color: #fff;
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 15px;
        }

        /* 12. 客户评论卡片 (6条评论) */
        .comments-section {
            background-color: var(--card-bg);
        }
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .comment-card {
            background-color: var(--bg-color);
            border-radius: 16px;
            padding: 25px;
            border: 1px solid rgba(248, 187, 208, 0.4);
            position: relative;
        }
        .comment-text {
            font-size: 0.95rem;
            color: var(--text-color);
            font-style: italic;
            margin-bottom: 20px;
        }
        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .user-avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .user-info h4 {
            font-size: 0.95rem;
            color: var(--dark-color);
            font-weight: 700;
        }
        .user-info p {
            font-size: 0.8rem;
            color: #8C7B80;
        }

        /* 13. 常见用户问题 FAQ & 自助排查 & AI术语百科 */
        .faq-section {
            background-color: var(--bg-color);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        @media (max-width: 992px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        .faq-item {
            background-color: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-question {
            padding: 18px 20px;
            font-weight: 600;
            color: var(--dark-color);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-question::after {
            content: '+';
            font-size: 1.2rem;
            color: var(--primary-color);
            transition: var(--transition);
        }
        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #FFFDFE;
        }
        .faq-answer-inner {
            padding: 0 20px 20px;
            font-size: 0.92rem;
            color: var(--text-color);
            border-top: 1px solid rgba(248, 187, 208, 0.1);
        }

        /* 14. 行业资讯 / 知识库 (最新文章) */
        .articles-section {
            background-color: var(--card-bg);
        }
        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }
        .article-card {
            background-color: var(--bg-color);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .article-card h4 {
            font-size: 1.05rem;
            color: var(--dark-color);
            margin-bottom: 15px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary-color);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 15. 智能需求匹配 (表单提交) & 加盟代理 */
        .form-section {
            background: linear-gradient(135deg, rgba(233, 30, 99, 0.03) 0%, rgba(156, 39, 176, 0.03) 100%);
            border-top: 1px solid var(--border-color);
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .form-info h3 {
            font-size: 1.8rem;
            color: var(--dark-color);
            margin-bottom: 20px;
        }
        .form-card {
            background-color: var(--card-bg);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(233, 30, 99, 0.05);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--dark-color);
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: var(--bg-color);
            color: var(--dark-color);
            outline: none;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.15);
        }

        /* 16. 联系我们 */
        .contact-section {
            background-color: var(--card-bg);
        }
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .contact-card {
            background-color: var(--bg-color);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            border: 1px solid var(--border-color);
        }
        .qr-code {
            max-width: 150px;
            margin: 0 auto 15px;
            background-color: #fff;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        /* 页脚 & 友情链接 */
        footer {
            background-color: var(--dark-color);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
            border-top: 2px solid var(--primary-color);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo-desc h4 {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 15px;
        }
        .footer-links-col h5 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 15px;
            position: relative;
        }
        .footer-links-col ul {
            list-style: none;
        }
        .footer-links-col ul li {
            margin-bottom: 10px;
        }
        .footer-links-col ul li a {
            color: rgba(255,255,255,0.7);
        }
        .footer-links-col ul li a:hover {
            color: var(--primary-color);
        }
        .friendly-links {
            margin-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
        }
        .friendly-links-title {
            font-size: 0.9rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .friendly-links-box {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .friendly-links-box a {
            color: rgba(255,255,255,0.6);
            font-size: 0.85rem;
        }
        .friendly-links-box a:hover {
            color: var(--primary-color);
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            font-size: 0.85rem;
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(233,30,99,0.3);
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.2rem;
            border: none;
            position: relative;
        }
        .float-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.1);
        }
        .float-qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: #fff;
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            width: 140px;
            border: 1px solid var(--border-color);
        }
        .float-btn:hover .float-qr-popup {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .hero-h1 { font-size: 2.2rem; }
            .about-grid, .form-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--bg-color);
                border-top: 1px solid var(--border-color);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-toggle {
                display: flex;
            }
        }