:root {
            --primary: #00b894;
            --primary-light: #e6f9f3;
            --primary-dark: #008f72;
            --accent: #55efc4;
            --text-main: #2d3748;
            --text-muted: #718096;
            --bg-light: #f4f9f6;
            --bg-white: #ffffff;
            --border-color: #e2e8f0;
            --transition: all 0.3s ease;
            --shadow: 0 8px 30px rgba(0, 184, 148, 0.06);
            --shadow-hover: 0 15px 40px rgba(0, 184, 148, 0.12);
        }

        * {
            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-main);
            background-color: var(--bg-light);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

        /* 布局容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 顶部导航 */
        .header {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

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

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

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-dark);
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .nav-btn {
            background-color: var(--primary);
            color: white;
            padding: 8px 18px;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
        }

        .nav-btn:hover {
            background-color: var(--primary-dark);
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 移动端菜单激活状态 */
        .nav-menu.active {
            display: flex;
            position: absolute;
            top: 70px;
            left: 0;
            right: 0;
            background-color: var(--bg-white);
            flex-direction: column;
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-hover);
        }

        /* Hero 广告区 - 严格禁止图片 */
        .hero {
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #f4f9f6 0%, #e6f9f3 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(85,239,196,0.3) 0%, rgba(255,255,255,0) 70%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0,184,148,0.15) 0%, rgba(255,255,255,0) 70%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .h1-title {
            font-size: 2.5rem;
            color: #1a202c;
            line-height: 1.25;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .h1-title span {
            color: var(--primary);
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 35px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
            padding: 14px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(0, 184, 148, 0.3);
            transition: var(--transition);
        }

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

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--primary-dark);
            border: 2px solid var(--primary);
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }

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

        /* 页面区块通用 */
        .section {
            padding: 80px 0;
            background-color: var(--bg-white);
        }

        .section-alt {
            background-color: var(--bg-light);
        }

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

        .section-title h2 {
            font-size: 2rem;
            color: var(--text-main);
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-muted);
            margin-top: 10px;
            font-size: 1rem;
        }

        /* 数据指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .stat-card {
            background-color: var(--bg-white);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0, 184, 148, 0.05);
            transition: var(--transition);
        }

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

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-main);
            font-weight: 600;
        }

        .stat-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 5px;
        }

        /* 全平台 AIGC 服务 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            padding: 40px 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 24px;
            margin-bottom: 20px;
        }

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

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 15px;
        }

        .tag {
            background-color: var(--bg-light);
            color: var(--primary-dark);
            font-size: 0.8rem;
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid rgba(0, 184, 148, 0.15);
        }

        /* 一站式AIGC制作场景 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .scene-card {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 25px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .scene-card:hover {
            transform: translateX(5px);
        }

        .scene-card h4 {
            color: var(--text-main);
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

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

        /* 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

        .solution-card h3 {
            color: var(--primary-dark);
            margin-bottom: 15px;
            font-size: 1.3rem;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 10px;
        }

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

        .solution-list li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            font-size: 0.95rem;
        }

        .solution-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: var(--shadow);
            background: var(--bg-white);
            border: 1px solid var(--border-color);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background-color: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
        }

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

        .compare-table tr:hover {
            background-color: rgba(0, 184, 148, 0.02);
        }

        .score-badge {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: bold;
            font-size: 0.85rem;
        }

        /* 案例展示 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--bg-white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .case-img-container {
            position: relative;
            background: var(--bg-light);
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .case-img-container.square {
            aspect-ratio: 1;
        }

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

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

        .case-info {
            padding: 25px;
        }

        .case-tag {
            color: var(--primary);
            font-weight: bold;
            font-size: 0.85rem;
            text-transform: uppercase;
            margin-bottom: 5px;
            display: block;
        }

        .case-title {
            font-size: 1.2rem;
            color: var(--text-main);
            margin-bottom: 10px;
        }

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

        /* 流程步骤与时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

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

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

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--bg-white);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -10px;
        }

        .timeline-content {
            padding: 20px 30px;
            background-color: var(--bg-white);
            position: relative;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

        /* 价格卡片 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .price-card {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 40px 30px;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
            transition: var(--transition);
        }

        .price-card.featured {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-hover);
            transform: scale(1.03);
        }

        .price-card.featured::top {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--primary);
            color: white;
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 10px;
        }

        .price-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .price-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin: 15px 0;
        }

        .price-val span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: normal;
        }

        .price-features {
            list-style: none;
            margin: 20px 0 30px;
            text-align: left;
        }

        .price-features li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
            color: var(--text-main);
        }

        /* 常见用户问题 FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            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: var(--bg-light);
        }

        .faq-answer-inner {
            padding: 18px 24px;
            font-size: 0.95rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        /* 评论卡片 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-main);
            font-style: italic;
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        .author-info h4 {
            font-size: 0.95rem;
            color: var(--text-main);
            font-weight: 600;
        }

        .author-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 表单与需求匹配 */
        .form-section {
            background: linear-gradient(135deg, #e6f9f3 0%, #ffffff 100%);
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--shadow);
            max-width: 700px;
            margin: 0 auto;
            border: 1px solid rgba(0, 184, 148, 0.15);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-main);
            font-size: 0.95rem;
        }

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

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.15);
        }

        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 14px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
        }

        .submit-btn:hover {
            background-color: var(--primary-dark);
        }

        /* 行业资讯 / 知识库 */
        .news-section {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

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

        .article-item {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .article-title {
            font-size: 1.15rem;
            color: var(--text-main);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }

        .article-title:hover {
            color: var(--primary);
        }

        .article-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 联系我们 & 加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 35px;
        }

        .contact-info-card {
            background: var(--bg-white);
            padding: 30px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

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

        .contact-item h4 {
            color: var(--primary-dark);
            margin-bottom: 5px;
            font-size: 1rem;
        }

        .contact-item p {
            color: var(--text-main);
            font-size: 0.95rem;
        }

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

        .qrcode-box {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }

        .qrcode-box img {
            width: 100%;
            max-width: 120px;
            height: auto;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            padding: 5px;
            background: white;
        }

        .qrcode-box p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 5px;
        }

        /* 友情链接与页脚 */
        .footer {
            background-color: #1a202c;
            color: #a0aec0;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h3 {
            color: var(--bg-white);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

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

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

        .footer-links a {
            color: #a0aec0;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .friend-links {
            border-top: 1px solid #2d3748;
            padding-top: 25px;
            margin-bottom: 25px;
        }

        .friend-links h4 {
            color: var(--bg-white);
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

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

        .friend-links-inner a {
            color: #a0aec0;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .copyright-area {
            border-top: 1px solid #2d3748;
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .copyright-area p {
            font-size: 0.85rem;
        }

        .ai-page-home-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        /* 浮动客服入口 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: white;
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            transition: var(--transition);
            font-size: 20px;
            cursor: pointer;
            border: none;
        }

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

        /* 微信悬浮展示 */
        .float-btn-wechat {
            position: relative;
        }

        .float-wechat-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border-color);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-wechat-pop img {
            width: 100px;
            height: 100px;
        }

        .float-wechat-pop p {
            color: var(--text-main);
            font-size: 0.75rem;
            margin-top: 5px;
        }

        .float-btn-wechat:hover .float-wechat-pop {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .news-section {
                grid-template-columns: 1fr;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 21px;
                right: auto;
            }
            .right {
                left: 0%;
            }
        }

        @media (max-width: 600px) {
            .h1-title {
                font-size: 1.8rem;
            }
            .hero {
                padding: 60px 0;
            }
            .section {
                padding: 50px 0;
            }
        }