:root {
            --primary: #ff007f;
            --primary-grad: linear-gradient(135deg, #ff007f 0%, #7000ff 100%);
            --secondary-grad: linear-gradient(135deg, #00f0ff 0%, #0055ff 100%);
            --bg-body: #f9f9fb;
            --bg-card: #ffffff;
            --text-main: #121214;
            --text-muted: #5a5a65;
            --border-color: #eaeaea;
            --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
            --shadow-md: 0 10px 25px rgba(255, 0, 127, 0.08);
            --shadow-lg: 0 20px 40px rgba(0,0,0,0.08);
            --radius-lg: 16px;
            --radius-md: 8px;
            --container-w: 1200px;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

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

        /* 潮流艳色徽章 */
        .badge {
            display: inline-block;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--primary-grad);
            border-radius: 50px;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: 0 4px 10px rgba(255,0,127,0.2);
        }

        /* 标题设计 */
        .section-title {
            text-align: center;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--text-main);
        }
        .section-subtitle {
            text-align: center;
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 50px auto;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            outline: none;
        }
        .btn-primary {
            background: var(--primary-grad);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(255, 0, 127, 0.2);
        }
        .btn-secondary {
            background: #fff;
            color: var(--text-main);
            border: 2px solid var(--text-main);
        }
        .btn-secondary:hover {
            background: var(--text-main);
            color: #fff;
            transform: translateY(-2px);
        }

        /* 1. 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 70px;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .nav-links {
            display: flex;
            gap: 20px;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-btn-wrap {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .ai-page-home-link {
            font-weight: 600;
            color: var(--primary);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 2px;
        }

        /* 2. Hero 首屏 - 纯文字与色彩设计 (禁止图片) */
        .hero {
            background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 0, 127, 0.1) 0%, transparent 50%),
                        #ffffff;
            text-align: center;
            padding: 120px 0 100px 0;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(255,255,255,0) 60%, var(--bg-body) 100%);
            pointer-events: none;
        }
        .hero-h1 {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #121214 30%, #ff007f 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
        }
        .hero-desc {
            font-size: 20px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
        }
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: var(--radius-lg);
            text-align: center;
            transition: all 0.3s ease;
        }
        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: #ff007f;
        }
        .metric-num {
            font-size: 36px;
            font-weight: 800;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }
        .metric-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 3. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
        }
        .about-features {
            list-style: none;
        }
        .about-features li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }
        .about-features li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
            font-size: 18px;
        }
        .about-visual {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.05) 0%, rgba(112, 0, 255, 0.05) 100%);
            border: 2px dashed rgba(255,0,127,0.2);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: center;
        }

        /* 4. AIGC服务 & 平台聚合 */
        .models-wrapper {
            margin-top: 40px;
        }
        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .model-tag {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.2s;
            cursor: default;
        }
        .model-tag:hover {
            border-color: var(--primary);
            background: var(--primary-grad);
            color: #fff;
            transform: scale(1.05);
        }

        /* 一站式制作 */
        .production-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }
        .production-card {
            background: #fff;
            padding: 40px 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        .production-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary-grad);
            opacity: 0;
            transition: opacity 0.3s;
        }
        .production-card:hover::before {
            opacity: 1;
        }
        .production-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .production-card h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
        }
        .production-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 5. 行业解决方案 */
        .solution-section {
            background-color: #fff;
        }
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .solution-card {
            background: var(--bg-body);
            padding: 40px;
            border-radius: var(--radius-lg);
            transition: all 0.3s;
        }
        .solution-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .solution-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--text-main);
        }
        .solution-card p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .solution-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }
        .sol-feat-item {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sol-feat-item::before {
            content: '●';
            color: #00f0ff;
        }

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .network-card {
            background: #fff;
            padding: 25px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            text-align: center;
        }
        .network-card h4 {
            margin-bottom: 10px;
            font-size: 18px;
        }
        .network-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 7. 标准化流程 */
        .process-flow {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }
        .process-step {
            flex: 1;
            min-width: 200px;
            background: #fff;
            padding: 30px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary-grad);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px auto;
            font-weight: 800;
        }

        /* 8. 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .case-img-container {
            width: 100%;
            aspect-ratio: 16 / 10;
            background-color: #f0f0f0;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-info {
            padding: 24px;
        }
        .case-tag {
            font-size: 12px;
            color: var(--primary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }
        .case-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .case-desc {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 9. 对比评测 */
        .comparison-table-wrapper {
            overflow-x: auto;
            margin-top: 40px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }
        .comparison-table th, .comparison-table td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .comparison-table th {
            background-color: #fafafa;
            font-weight: 700;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .rating-box {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.05) 0%, rgba(112, 0, 255, 0.05) 100%);
            border: 1px solid rgba(255,0,127,0.2);
            padding: 30px;
            border-radius: var(--radius-lg);
            margin-top: 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }
        .rating-left h4 {
            font-size: 22px;
            margin-bottom: 8px;
        }
        .rating-stars {
            color: #ffb700;
            font-size: 24px;
            margin-bottom: 5px;
        }
        .rating-score {
            font-size: 48px;
            font-weight: 900;
            color: var(--primary);
        }

        /* 11. Token比价 */
        .token-comparison {
            background-color: #fff;
        }
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .token-card {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px;
            text-align: center;
            transition: all 0.3s;
            background: var(--bg-body);
        }
        .token-card.featured {
            border: 2px solid var(--primary);
            background: #fff;
            transform: scale(1.03);
        }
        .token-card h4 {
            font-size: 22px;
            margin-bottom: 15px;
        }
        .token-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .token-features-list {
            list-style: none;
            margin-bottom: 25px;
        }
        .token-features-list li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 12 & 13. 职业技术与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .training-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: all 0.3s;
        }
        .training-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .training-tag {
            background: rgba(112, 0, 255, 0.1);
            color: #7000ff;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 15px;
        }
        .training-card h4 {
            font-size: 20px;
            margin-bottom: 12px;
        }
        .training-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

        /* 14 & 15. FAQ 折叠面板 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            align-items: start;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .faq-trigger {
            width: 100%;
            padding: 20px;
            text-align: left;
            background: none;
            border: none;
            outline: none;
            font-size: 16px;
            font-weight: 700;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            color: var(--text-main);
        }
        .faq-content {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0,1,0,1);
            color: var(--text-muted);
            font-size: 14px;
        }
        .faq-item.active .faq-content {
            padding: 0 20px 20px 20px;
            max-height: 1000px;
        }
        .faq-icon {
            transition: transform 0.3s;
            font-weight: bold;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* 16. AI术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .glossary-card {
            background: #fff;
            padding: 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        .glossary-card h4 {
            font-size: 16px;
            margin-bottom: 10px;
            color: var(--primary);
        }
        .glossary-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 17. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }
        .article-main {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 40px;
        }
        .article-main h3 {
            font-size: 24px;
            margin-bottom: 15px;
        }
        .article-meta {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
            display: flex;
            gap: 15px;
        }
        .article-body p {
            margin-bottom: 15px;
            color: var(--text-muted);
        }
        .article-list-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-item {
            background: #fff;
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all 0.2s;
        }
        .article-item:hover {
            border-color: var(--primary);
        }
        .article-item h4 {
            font-size: 15px;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-item a {
            color: var(--text-main);
        }
        .article-item a:hover {
            color: var(--primary);
        }

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-sm);
        }
        .review-rating {
            color: #ffb700;
            margin-bottom: 15px;
        }
        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-style: italic;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .user-avatar {
            width: 40px;
            height: 40px;
            background: var(--secondary-grad);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
        }
        .user-info h5 {
            font-size: 14px;
            font-weight: 700;
        }
        .user-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 18 & 19. 加盟代理 & 智能需求匹配与联系我们 */
        .contact-section {
            background: radial-gradient(circle at 10% 10%, rgba(255,0,127,0.05), transparent 40%), #ffffff;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }
        .contact-info-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .agent-banner {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.05) 0%, rgba(112, 0, 255, 0.05) 100%);
            border: 1px solid rgba(255,0,127,0.2);
            padding: 30px;
            border-radius: var(--radius-lg);
            margin-bottom: 30px;
        }
        .agent-banner h4 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--primary);
        }
        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 30px;
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
        }
        .contact-icon {
            width: 32px;
            height: 32px;
            background: #f0f0f5;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
        }
        .qrcode-wrap {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-body);
            padding: 15px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        .qrcode-wrap img {
            width: 90px;
            height: 90px;
            object-fit: cover;
            border-radius: 4px;
        }
        .qrcode-text p {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .qrcode-text span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 表单 */
        .form-card {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 700;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            font-size: 15px;
            outline: none;
            transition: all 0.3s;
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 0, 127, 0.1);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        /* 页脚 */
        footer {
            background: #121214;
            color: #a0a0ab;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo-area img {
            height: 40px;
            margin-bottom: 15px;
        }
        .footer-logo-area p {
            margin-bottom: 20px;
            line-height: 1.8;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .friendship-links {
            border-top: 1px solid #27272a;
            padding-top: 25px;
            margin-bottom: 25px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }
        .friendship-links span {
            color: #fff;
            font-weight: 700;
        }
        .friendship-links a {
            color: #a0a0ab;
        }
        .friendship-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid #27272a;
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 浮动工具栏 */
        .floating-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }
        .float-btn:hover {
            transform: scale(1.1);
            background: var(--primary-grad);
            color: #fff;
        }
        .float-btn svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }
        .float-qrcode-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            display: none;
            text-align: center;
            width: 140px;
        }
        .float-qrcode-pop img {
            width: 110px;
            height: 110px;
            object-fit: cover;
            margin-bottom: 5px;
        }
        .float-qrcode-pop span {
            font-size: 12px;
            color: var(--text-main);
            font-weight: 700;
        }
        .float-btn-kefu:hover .float-qrcode-pop {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .metrics-grid, .production-grid, .cases-grid, .token-grid, .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .glossary-grid, .network-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .solutions-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-h1 {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .metrics-grid, .production-grid, .cases-grid, .token-grid, .training-grid, .glossary-grid, .network-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }