:root {
            --primary: #FF2A6D;
            --primary-hover: #E0115F;
            --secondary: #7928CA;
            --dark: #0F172A;
            --light: #FFF5F7;
            --gray-light: #F8FAFC;
            --text: #334155;
            --text-light: #64748B;
            --white: #FFFFFF;
            --border-radius: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow: 0 10px 30px -10px rgba(255, 42, 109, 0.15);
            --container-width: 1200px;
        }

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

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

        /* 统一居中容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 42, 109, 0.1);
        }

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

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

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

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

        .nav-menu a {
            color: var(--dark);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 8px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background-color: var(--light);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white) !important;
            padding: 8px 20px !important;
            border-radius: 20px !important;
            box-shadow: 0 4px 15px rgba(255, 42, 109, 0.3);
        }

        .nav-btn:hover {
            opacity: 0.9;
            transform: translateY(-1px);
        }

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

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

        /* 移动端侧边栏 */
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: -100%;
            width: 100%;
            height: calc(100vh - 70px);
            background-color: var(--white);
            z-index: 999;
            transition: var(--transition);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            padding: 30px 24px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

        .mobile-nav.active {
            left: 0;
        }

        .mobile-nav a {
            font-size: 18px;
            color: var(--dark);
            text-decoration: none;
            padding: 10px 0;
            border-bottom: 1px solid var(--gray-light);
            font-weight: 600;
        }

        /* 基础区块布局 */
        section {
            padding: 90px 0;
            border-bottom: 1px solid rgba(255, 42, 109, 0.05);
        }

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

        .section-title h2 {
            font-size: 32px;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 8px auto 0;
            border-radius: 2px;
        }

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

        /* 1. 首页 Hero 首屏（无图） */
        #home {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: radial-gradient(circle at 90% 10%, rgba(255, 42, 109, 0.08) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(121, 40, 202, 0.08) 0%, transparent 40%),
                        var(--light);
            padding-top: 120px;
            position: relative;
            border-bottom: none;
        }

        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 10;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background-color: rgba(255, 42, 109, 0.1);
            color: var(--primary);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 42, 109, 0.2);
            animation: pulse 2s infinite;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 24px;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 30px;
            transition: var(--transition);
            text-decoration: none;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            box-shadow: 0 10px 25px rgba(255, 42, 109, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(255, 42, 109, 0.4);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

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

        /* 3. 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            width: 100%;
        }

        .stat-card {
            background-color: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 42, 109, 0.1);
            border-radius: var(--border-radius);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* 2. 关于我们 */
        .about-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 20px;
        }

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

        .about-features {
            list-style: none;
        }

        .about-features li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-size: 15px;
            color: var(--dark);
            font-weight: 500;
        }

        .about-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--primary);
            font-weight: bold;
            font-size: 18px;
        }

        /* 3. 全平台AIGC服务 + 支持模型列表 */
        .models-container {
            margin-top: 40px;
            background-color: var(--gray-light);
            border-radius: var(--border-radius);
            padding: 30px;
            border: 1px dashed rgba(255, 42, 109, 0.2);
        }

        .models-title {
            text-align: center;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .models-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-badge {
            background-color: var(--white);
            color: var(--text);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
            box-shadow: 0 2px 5px rgba(0,0,0,0.02);
        }

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

        /* 4. 一站式AIGC制作 & 10. 智能需求匹配 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--white);
            border: 1px solid rgba(0, 0, 0, 0.05);
            border-radius: var(--border-radius);
            padding: 35px 30px;
            box-shadow: 0 10px 35px rgba(0,0,0,0.03);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow);
            border-color: rgba(255, 42, 109, 0.2);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            font-size: 40px;
            margin-bottom: 24px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .service-image-box {
            margin-top: 15px;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .service-image-box img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            transition: var(--transition);
        }

        .service-card:hover .service-image-box img {
            transform: scale(1.08);
        }

        /* 5. 全行业解决方案 */
        .solutions-wrapper {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-item {
            background-color: var(--gray-light);
            border-radius: var(--border-radius);
            padding: 30px;
            display: flex;
            gap: 20px;
            transition: var(--transition);
        }

        .solution-item:hover {
            background-color: var(--light);
            transform: translateX(5px);
        }

        .solution-number {
            font-size: 32px;
            font-weight: 800;
            color: rgba(255, 42, 109, 0.2);
            line-height: 1;
        }

        .solution-info h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .solution-info p {
            font-size: 14px;
            color: var(--text-light);
        }

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .network-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .network-node {
            background-color: var(--white);
            border: 1px solid rgba(0,0,0,0.05);
            padding: 15px 20px;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .network-node.active {
            border-color: var(--primary);
            background-color: var(--light);
        }

        .network-node .city {
            font-weight: 600;
            color: var(--dark);
        }

        .network-node .status {
            font-size: 12px;
            color: var(--primary);
            background-color: rgba(255, 42, 109, 0.1);
            padding: 2px 8px;
            border-radius: 10px;
        }

        /* 7. 标准化AIGC流程 */
        .flow-container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-step {
            background-color: var(--white);
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: var(--border-radius);
            padding: 24px;
            text-align: center;
            position: relative;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .flow-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 16px;
        }

        .flow-step h3 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: 13px;
            color: var(--text-light);
        }

        /* 8. 技术标准 */
        .tech-box {
            background-color: var(--dark);
            color: var(--white);
            border-radius: var(--border-radius);
            padding: 50px;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
        }

        .tech-card h3 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .tech-card p {
            color: #94A3B8;
            font-size: 14px;
        }

        /* 9. 客户案例中心 */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .portfolio-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
        }

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

        .portfolio-img-box {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

        .portfolio-card:hover .portfolio-img-box img {
            transform: scale(1.05);
        }

        .portfolio-info {
            padding: 24px;
        }

        .portfolio-info .tag {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
            display: inline-block;
        }

        .portfolio-info h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .portfolio-info p {
            font-size: 13px;
            color: var(--text-light);
        }

        /* 10. 对比评测 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background-color: var(--white);
            border-radius: var(--border-radius);
            box-shadow: 0 10px 40px rgba(0,0,0,0.05);
            border: 1px solid rgba(255, 42, 109, 0.1);
        }

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

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

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

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

        .comparison-table td strong {
            color: var(--primary);
        }

        .rating-box {
            background-color: var(--light);
            border-radius: var(--border-radius);
            padding: 30px;
            margin-top: 30px;
            text-align: center;
            border: 1px solid rgba(255, 42, 109, 0.2);
        }

        .rating-stars {
            font-size: 32px;
            color: #FBBF24;
            margin-bottom: 10px;
        }

        .rating-score {
            font-size: 40px;
            font-weight: 900;
            color: var(--primary);
        }

        .rating-score span {
            font-size: 20px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .token-card {
            background-color: var(--white);
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: var(--border-radius);
            padding: 30px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .token-card.popular {
            border-color: var(--primary);
            position: relative;
        }

        .token-card.popular::after {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: var(--primary);
            color: var(--white);
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 600;
        }

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

        .token-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .token-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .token-price span {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 400;
        }

        .token-features {
            list-style: none;
            margin: 20px 0;
            padding-top: 20px;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .token-features li {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        /* 13. 职业技术培训 + 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .training-info h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .training-info p {
            color: var(--text);
            margin-bottom: 30px;
        }

        .training-courses {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .course-card {
            background-color: var(--white);
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

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

        .course-title {
            font-weight: 700;
            color: var(--dark);
        }

        .course-tag {
            background-color: rgba(255, 42, 109, 0.1);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 21. 加盟代理 */
        .agent-box {
            background: linear-gradient(135deg, rgba(255, 42, 109, 0.05), rgba(121, 40, 202, 0.05));
            border-radius: var(--border-radius);
            padding: 50px;
            border: 1px solid rgba(255, 42, 109, 0.15);
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .agent-text h3 {
            font-size: 28px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .agent-text p {
            color: var(--text);
            font-size: 16px;
            margin-bottom: 24px;
        }

        .agent-benefits {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .benefit-item {
            background-color: var(--white);
            padding: 16px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .benefit-item h4 {
            font-size: 15px;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .benefit-item p {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 0;
        }

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

        .article-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.03);
            border: 1px solid rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-body {
            padding: 24px;
        }

        .article-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-desc {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .article-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* 20. 联系我们 & 11. 智能需求匹配表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 5fr 4fr;
            gap: 50px;
        }

        .form-box {
            background-color: var(--white);
            border: 1px solid rgba(255, 42, 109, 0.15);
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }

        .form-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 24px;
        }

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

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid rgba(0,0,0,0.1);
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 42, 109, 0.1);
        }

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

        .contact-item {
            display: flex;
            gap: 20px;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background-color: var(--light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            flex-shrink: 0;
        }

        .contact-detail h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .contact-detail p {
            font-size: 14px;
            color: var(--text-light);
        }

        .qr-codes {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .qr-card {
            background-color: var(--gray-light);
            border-radius: 8px;
            padding: 16px;
            text-align: center;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .qr-card img {
            width: 100px;
            height: 100px;
            object-fit: contain;
            margin-bottom: 8px;
            border-radius: 4px;
        }

        .qr-card p {
            font-size: 12px;
            color: var(--dark);
            font-weight: 600;
        }

        /* 16. 常见用户问题 FAQ + 17. 常见问题自助排查 */
        .faq-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: 8px;
            background-color: var(--white);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 15px rgba(255, 42, 109, 0.05);
        }

        .faq-question {
            padding: 20px 24px;
            background-color: var(--white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--dark);
            user-select: none;
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--gray-light);
        }

        .faq-answer-content {
            padding: 20px 24px;
            font-size: 14px;
            color: var(--text);
            border-top: 1px solid rgba(0,0,0,0.02);
        }

        .troubleshoot-box {
            background-color: var(--light);
            border-radius: var(--border-radius);
            padding: 30px;
            border: 1px dashed var(--primary);
        }

        .troubleshoot-box h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .troubleshoot-steps {
            list-style: none;
        }

        .troubleshoot-steps li {
            font-size: 13px;
            margin-bottom: 12px;
            position: relative;
            padding-left: 20px;
            color: var(--text);
        }

        .troubleshoot-steps li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
            font-size: 18px;
            top: -2px;
        }

        /* 18. AI术语百科 */
        .glossary-box {
            background-color: var(--gray-light);
            border-radius: var(--border-radius);
            padding: 40px;
            margin-top: 50px;
        }

        .glossary-title {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 20px;
            text-align: center;
        }

        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .glossary-card h4 {
            font-size: 15px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .glossary-card p {
            font-size: 12px;
            color: var(--text-light);
        }

        /* 11. 客户评论卡片 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testimonial-card {
            background-color: var(--white);
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: rgba(255, 42, 109, 0.1);
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .testimonial-meta h4 {
            font-size: 15px;
            color: var(--dark);
        }

        .testimonial-meta p {
            font-size: 12px;
            color: var(--text-light);
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--text);
            font-style: italic;
        }

        /* 标签云、价格参考等辅助组件 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 40px;
        }

        .tag-cloud span {
            background-color: rgba(255, 42, 109, 0.05);
            color: var(--primary);
            padding: 6px 12px;
            border-radius: 15px;
            font-size: 12px;
            border: 1px solid rgba(255, 42, 109, 0.1);
        }

        /* 浮动客服入口 */
        .float-contact {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .float-btn {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            box-shadow: 0 5px 20px rgba(255, 42, 109, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-qr {
            position: absolute;
            bottom: 70px;
            right: 0;
            background-color: var(--white);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            border: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            width: 140px;
        }

        .float-qr img {
            width: 110px;
            height: 110px;
            object-fit: contain;
        }

        .float-qr p {
            font-size: 11px;
            color: var(--dark);
            margin-top: 5px;
            font-weight: 600;
        }

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

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #94A3B8;
            padding: 80px 0 30px;
            border-top: 3px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-logo-box {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .footer-logo-box p {
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-links-box h4 {
            color: var(--white);
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-links-box h4::after {
            content: '';
            display: block;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
            margin-top: 6px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: #94A3B8;
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .footer-contact-info {
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 14px;
        }

        .footer-friend-links {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 25px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .footer-friend-links span {
            font-size: 13px;
            color: var(--white);
            font-weight: 600;
        }

        .footer-friend-links a {
            color: #64748B;
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 25px;
            text-align: center;
            font-size: 13px;
        }

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

        /* 动画效果 */
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        /* 移动端响应式排版自适应 */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
            .token-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .nav-menu { display: none; }
            .menu-toggle { display: flex; }
            .hero-title { font-size: 34px; }
            .about-wrapper { grid-template-columns: 1fr; gap: 30px; }
            .services-grid { grid-template-columns: 1fr; }
            .solutions-wrapper { grid-template-columns: 1fr; }
            .network-grid { grid-template-columns: 1fr; }
            .flow-container { grid-template-columns: 1fr; }
            .tech-grid { grid-template-columns: 1fr; }
            .portfolio-grid { grid-template-columns: 1fr; }
            .token-grid { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: 1fr; }
            .agent-box { grid-template-columns: 1fr; }
            .articles-grid { grid-template-columns: 1fr; }
            .contact-grid { grid-template-columns: 1fr; }
            .faq-layout { grid-template-columns: 1fr; }
            .glossary-grid { grid-template-columns: 1fr; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            section { padding: 60px 0; }
        }