:root {
            --primary-color: #FFD700; /* 鲜黄 */
            --primary-hover: #E6C200;
            --primary-light: #FFFDF0;
            --dark-color: #1E2022; /* 深灰 */
            --text-dark: #2B303A;
            --text-muted: #6C757D;
            --bg-light: #F9FAFB;
            --bg-white: #FFFFFF;
            --border-color: #EBF0F5;
            --accent-color: #FFC107;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

        section {
            padding: 80px 0;
            position: relative;
        }

        /* 头部导航 */
        header {
            background-color: var(--bg-white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

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

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

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

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 5px 10px;
            border-radius: 4px;
        }

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

        .nav-btn {
            background-color: var(--primary-color);
            color: var(--dark-color);
            padding: 8px 18px;
            border-radius: 6px;
            font-weight: 600;
            border: 2px solid var(--primary-color);
        }

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

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

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

        /* 首屏 Hero (无图，纯色与几何渐变) */
        .hero {
            background: linear-gradient(135deg, #FFFDE6 0%, #FFFBE6 50%, #F9FAFB 100%);
            padding: 120px 0 100px 0;
            text-align: center;
            border-bottom: 3px solid var(--primary-color);
        }

        .hero h1 {
            font-size: 42px;
            line-height: 1.2;
            color: var(--dark-color);
            margin-bottom: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            background: linear-gradient(120deg, #FFC107 0%, #FFD700 100%);
            padding: 0 8px;
            border-radius: 4px;
        }

        .hero p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px auto;
        }

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

        .btn-main {
            background-color: var(--primary-color);
            color: var(--dark-color);
            padding: 15px 35px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
            border: 2px solid var(--primary-color);
        }

        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
        }

        .btn-sub {
            background-color: var(--bg-white);
            color: var(--dark-color);
            padding: 15px 35px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            border: 2px solid var(--border-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

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

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background-color: var(--bg-white);
            padding: 30px 20px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            text-align: center;
            border-top: 4px solid var(--primary-color);
            transition: var(--transition);
        }

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

        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark-color);
            margin-bottom: 5px;
        }

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

        /* 通用标题 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 28px;
            color: var(--dark-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background-color: var(--primary-color);
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
        }

        /* 关于我们与平台介绍 */
        .about-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: var(--dark-color);
        }

        .about-text p {
            margin-bottom: 20px;
            color: var(--text-dark);
            text-align: justify;
        }

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

        .highlight-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-weight: 500;
        }

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

        .platform-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .platform-item {
            background-color: var(--bg-white);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--primary-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .platform-item h4 {
            margin-bottom: 8px;
            font-size: 16px;
        }

        .platform-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* AIGC服务与一站式制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            padding: 40px 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .service-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 215, 0, 0.1);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--dark-color);
        }

        .service-card h3 {
            margin-bottom: 15px;
            font-size: 20px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 15px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
        }

        .service-tag {
            background-color: var(--bg-light);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 11px;
            color: var(--text-dark);
            border: 1px solid var(--border-color);
        }

        /* 标签云 */
        .tag-cloud-sec {
            background-color: var(--bg-white);
            padding: 40px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .tag-cloud-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .cloud-tag {
            background-color: var(--bg-light);
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 13px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        /* 行业解决方案与流程 */
        .solutions-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 10px 25px;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }

        .tab-btn.active, .tab-btn:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }

        .solution-content {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid var(--border-color);
        }

        .solution-pane {
            display: none;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .solution-pane.active {
            display: grid;
        }

        .solution-pane ul {
            list-style: none;
            margin-top: 20px;
        }

        .solution-pane ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        /* 标准化流程时间线 */
        .timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 25px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--border-color);
            z-index: 1;
        }

        .timeline-step {
            width: 18%;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            border: 4px solid var(--bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px auto;
            font-weight: bold;
            font-size: 18px;
        }

        .timeline-step h4 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .timeline-step p {
            font-size: 12px;
            color: var(--text-muted);
        }

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

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .network-info h3 {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .network-nodes {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
        }

        .node-card {
            background-color: var(--bg-light);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .node-card strong {
            display: block;
            margin-bottom: 5px;
            font-size: 14px;
        }

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

        /* 案例展示区 (含图) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }

        .case-img-box {
            position: relative;
            padding-bottom: 60%;
            background-color: #eee;
            overflow: hidden;
        }

        .case-img-box img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-info {
            padding: 20px;
        }

        .case-tag {
            background-color: var(--primary-light);
            color: var(--dark-color);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: bold;
            display: inline-block;
            margin-bottom: 10px;
        }

        .case-info h4 {
            font-size: 16px;
            margin-bottom: 8px;
        }

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

        /* 对比评测板块 */
        .rating-box {
            background: linear-gradient(135deg, var(--dark-color) 0%, #2B303A 100%);
            color: var(--bg-white);
            border-radius: 12px;
            padding: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }

        .rating-left h3 {
            font-size: 24px;
            margin-bottom: 10px;
            color: var(--primary-color);
        }

        .rating-left p {
            opacity: 0.8;
            font-size: 14px;
        }

        .rating-stars {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .score-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary-color);
        }

        .stars {
            font-size: 24px;
            color: var(--primary-color);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background-color: var(--bg-white);
            border-radius: 12px;
            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: 15px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

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

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

        .compare-table .highlight-row {
            background-color: var(--primary-light);
            font-weight: bold;
        }

        /* Token 比价 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .price-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 30px;
            border: 2px solid var(--border-color);
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .price-card.featured {
            border-color: var(--primary-color);
            box-shadow: 0 10px 25px rgba(255, 215, 0, 0.15);
        }

        .price-card.featured::after {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: -30px;
            background-color: var(--primary-color);
            color: var(--dark-color);
            font-size: 10px;
            font-weight: bold;
            padding: 5px 30px;
            transform: rotate(45deg);
        }

        .price-card h3 {
            font-size: 18px;
            margin-bottom: 15px;
        }

        .price-amount {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .price-amount span {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: normal;
        }

        .price-features {
            list-style: none;
            text-align: left;
            margin-bottom: 25px;
        }

        .price-features li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 13px;
        }

        /* 人工智能及技术培训 */
        .training-box {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 40px;
            border: 1px solid var(--border-color);
        }

        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

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

        .training-item {
            background-color: var(--bg-light);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--primary-color);
        }

        .training-item h4 {
            margin-bottom: 8px;
            font-size: 16px;
        }

        .training-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 术语百科与最新资讯 */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .wiki-box, .news-box {
            background-color: var(--bg-white);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .wiki-list, .news-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .wiki-item dt {
            font-weight: bold;
            font-size: 15px;
            margin-bottom: 5px;
            color: var(--dark-color);
        }

        .wiki-item dd {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 10px;
        }

        .news-item a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        .news-item a:hover {
            color: var(--primary-hover);
        }

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

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

        .comment-card {
            background-color: var(--bg-white);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            background-color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--dark-color);
        }

        .user-info h4 {
            font-size: 14px;
        }

        .user-info span {
            font-size: 11px;
            color: var(--text-muted);
        }

        .comment-text {
            font-size: 13px;
            color: var(--text-dark);
            line-height: 1.5;
        }

        /* 智能需求匹配与联系表单 */
        .form-section {
            background-color: var(--bg-white);
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .contact-info-panel h3 {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 30px;
        }

        .contact-detail-item {
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }

        .contact-detail-item strong {
            display: block;
            font-size: 14px;
        }

        .contact-detail-item span {
            font-size: 13px;
            color: var(--text-muted);
        }

        .form-container {
            background-color: var(--bg-light);
            padding: 40px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

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

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .form-control {
            width: 100%;
            padding: 10px 15px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            background-color: var(--bg-white);
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 5px rgba(255, 215, 0, 0.2);
        }

        .btn-submit {
            background-color: var(--primary-color);
            color: var(--dark-color);
            border: none;
            padding: 12px 30px;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            width: 100%;
            font-size: 15px;
            transition: var(--transition);
        }

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

        /* 加盟代理区 */
        .agent-sec {
            background: linear-gradient(135deg, var(--primary-light) 0%, #FFFDE6 100%);
            border-top: 3px solid var(--primary-color);
            border-bottom: 3px solid var(--primary-color);
        }

        .agent-box {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .agent-box h3 {
            font-size: 26px;
            margin-bottom: 20px;
        }

        .agent-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin: 30px 0;
        }

        .agent-feature-card {
            background-color: var(--bg-white);
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .agent-feature-card h4 {
            margin-bottom: 8px;
            color: var(--dark-color);
        }

        /* 常见用户问题 FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

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

        .faq-quest {
            padding: 18px 20px;
            font-weight: bold;
            font-size: 15px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .faq-quest:hover {
            background-color: var(--primary-light);
        }

        .faq-quest::after {
            content: '+';
            font-size: 18px;
        }

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

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

        .faq-ans-inner {
            padding: 20px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        /* 页脚 */
        footer {
            background-color: var(--dark-color);
            color: #A0A5B0;
            padding: 60px 0 20px 0;
            font-size: 13px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo-area p {
            margin: 15px 0;
            line-height: 1.8;
        }

        .footer-links h4, .footer-news h4 {
            color: var(--bg-white);
            margin-bottom: 20px;
            font-size: 15px;
        }

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

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

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

        .footer-news a {
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

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

        .footer-bottom {
            border-top: 1px solid #2B303A;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

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

        .friend-links a {
            color: #A0A5B0;
        }

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

        /* 浮动组件 & 客服 */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-item {
            width: 50px;
            height: 50px;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            position: relative;
            font-size: 18px;
            transition: var(--transition);
        }

        .widget-item:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }

        .qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--bg-white);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 150px;
        }

        .qr-popover img {
            width: 100%;
            height: auto;
            margin-bottom: 5px;
        }

        .qr-popover span {
            font-size: 11px;
            color: var(--text-dark);
            display: block;
        }

        .widget-item:hover .qr-popover {
            display: block;
        }

        /* 移动端适配 */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -30px;
            }
            .about-box, .solution-pane.active, .network-grid, .contact-wrapper, .training-grid, .info-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .services-grid, .cases-grid, .price-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline {
                flex-wrap: wrap;
                gap: 20px;
            }
            .timeline-step {
                width: 45%;
            }
            .timeline::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background-color: var(--bg-white);
                flex-direction: column;
                padding: 40px 20px;
                transition: var(--transition);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                left: 0;
            }
            .menu-toggle {
                display: flex;
            }
            .stats-grid, .services-grid, .cases-grid, .price-grid, .comments-grid, .agent-features {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 32px;
            }
            .timeline-step {
                width: 100%;
            }
            .rating-box {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }
        }