:root {
            --primary: #7928CA;
            --primary-light: #B800FF;
            --secondary: #00DFD8;
            --accent: #FF007A;
            --dark: #0F172A;
            --light-bg: #F8F9FD;
            --card-bg: #FFFFFF;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --gradient-vibrant: linear-gradient(135deg, var(--accent) 0%, var(--primary) 50%, var(--secondary) 100%);
            --gradient-soft: linear-gradient(135deg, rgba(255, 0, 122, 0.05) 0%, rgba(121, 40, 202, 0.05) 100%);
            --shadow-vibrant: 0 10px 30px rgba(121, 40, 202, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light-bg);
            color: var(--text-main);
        }

        body {
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 统一标题规范 */
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            background: var(--gradient-vibrant);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            border: 1px solid var(--primary);
            border-radius: 50px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            border: none;
        }

        .btn-gradient {
            background: var(--gradient-vibrant);
            color: #FFFFFF;
            box-shadow: 0 4px 15px rgba(255, 0, 122, 0.3);
        }

        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 0, 122, 0.5);
        }

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

        .btn-outline:hover {
            background: rgba(121, 40, 202, 0.05);
            transform: translateY(-2px);
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo-container {
            display: flex;
            align-items: center;
        }

        .ai-page-logo {
            max-height: 48px;
            width: auto;
        }

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

        .nav-links a {
            color: var(--text-main);
            text-decoration: none;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 4px;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(121, 40, 202, 0.05);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark);
        }

        /* 首屏 Hero Section - 严禁使用图片 */
        .hero-section {
            padding: 180px 0 100px 0;
            background: radial-gradient(circle at 80% 20%, rgba(0, 223, 216, 0.15) 0%, rgba(255, 0, 122, 0.1) 50%, rgba(255, 255, 255, 0) 100%), var(--light-bg);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 0, 122, 0.1);
            color: var(--accent);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 0, 122, 0.2);
        }

        .hero-title {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--dark);
            max-width: 900px;
            margin: 0 auto 24px auto;
        }

        .hero-title span {
            background: var(--gradient-vibrant);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 20px;
            color: var(--text-muted);
            max-width: 750px;
            margin: 0 auto 40px auto;
        }

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

        /* 数据指标卡片 */
        .metrics-section {
            padding: 60px 0;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

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

        .metric-number {
            font-size: 40px;
            font-weight: 800;
            background: var(--gradient-vibrant);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .metric-label {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 平台介绍 & 关于我们 */
        .about-section {
            padding: 100px 0;
            background: #FFFFFF;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .about-content p {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .about-feature-icon {
            color: var(--accent);
            font-weight: bold;
            font-size: 20px;
        }

        .about-feature-text h4 {
            font-size: 16px;
            color: var(--dark);
            font-weight: 700;
            margin-bottom: 4px;
        }

        .about-feature-text p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }

        /* 全平台AIGC服务 */
        .services-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 40px 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-vibrant);
            border-color: var(--primary);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background: var(--gradient-soft);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 20px;
        }

        .service-models {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .model-tag {
            background: #F1F5F9;
            color: var(--text-main);
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 一站式AIGC制作 & 解决方案 */
        .creation-section {
            padding: 100px 0;
            background: #FFFFFF;
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .solution-card {
            background: var(--light-bg);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

        .solution-card:hover {
            background: var(--card-bg);
            box-shadow: var(--shadow-vibrant);
            border-color: var(--accent);
            transform: scale(1.02);
        }

        .solution-card h4 {
            font-size: 18px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
        }

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

        /* 标准化流程 & 技术标准 */
        .process-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

        .step-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background: var(--gradient-vibrant);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            box-shadow: 0 4px 10px rgba(255, 0, 122, 0.3);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--dark);
            margin: 15px 0 10px 0;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 对比评测 - 9.9分 */
        .compare-section {
            padding: 100px 0;
            background: #FFFFFF;
        }

        .compare-table-wrapper {
            background: var(--card-bg);
            border-radius: 16px;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(226, 232, 240, 0.8);
            overflow-x: auto;
            margin-bottom: 50px;
        }

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

        .compare-table th, .compare-table td {
            padding: 20px 24px;
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }

        .compare-table th {
            background: var(--light-bg);
            font-weight: 800;
            color: var(--dark);
        }

        .compare-table td {
            font-size: 15px;
        }

        .compare-table tr:hover {
            background: rgba(121, 40, 202, 0.02);
        }

        .highlight-col {
            background: rgba(121, 40, 202, 0.03);
            font-weight: 700;
            color: var(--primary);
        }

        .badge-star {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, #FFB800 0%, #FF9900 100%);
            color: #FFFFFF;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 800;
            font-size: 12px;
        }

        /* 案例展示 - 包含图片资产 */
        .cases-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--card-bg);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-vibrant);
            border-color: var(--primary);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #E2E8F0;
        }

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

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

        .case-content {
            padding: 24px;
        }

        .case-tag {
            color: var(--accent);
            font-size: 12px;
            font-weight: 800;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }

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

        /* 智能需求匹配 */
        .match-section {
            padding: 100px 0;
            background: #FFFFFF;
        }

        .match-box {
            max-width: 800px;
            margin: 0 auto;
            background: var(--light-bg);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: var(--shadow-vibrant);
        }

        .match-group {
            margin-bottom: 24px;
        }

        .match-label {
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            display: block;
        }

        .match-options {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .match-btn {
            background: #FFFFFF;
            border: 1px solid #CBD5E1;
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .match-btn.active, .match-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(121, 40, 202, 0.05);
        }

        /* Token比价与服务网络 */
        .token-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

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

        .price-list {
            background: #FFFFFF;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .price-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(226, 232, 240, 0.5);
        }

        .price-item:last-child {
            border: none;
        }

        .price-name {
            font-weight: 700;
            color: var(--dark);
        }

        .price-value {
            font-weight: 800;
            color: var(--accent);
        }

        /* 职业与人工智能培训 */
        .training-section {
            padding: 100px 0;
            background: #FFFFFF;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: var(--light-bg);
            border-radius: 12px;
            padding: 24px 16px;
            text-align: center;
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

        .training-card:hover {
            background: #FFFFFF;
            box-shadow: var(--shadow-vibrant);
            border-color: var(--primary);
            transform: translateY(-5px);
        }

        .training-card h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
        }

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

        /* 帮助中心 & FAQ折叠面板 (不少于 10 条) */
        .faq-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #FFFFFF;
            border-radius: 12px;
            margin-bottom: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.01);
            border: 1px solid rgba(226, 232, 240, 0.8);
            overflow: hidden;
        }

        .faq-question {
            padding: 24px;
            font-weight: 700;
            font-size: 16px;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(248, 250, 252, 0.5);
        }

        .faq-answer-content {
            padding: 24px;
            color: var(--text-muted);
            font-size: 15px;
            border-top: 1px solid rgba(226, 232, 240, 0.8);
        }

        .faq-icon::before {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            font-weight: bold;
        }

        .faq-item.active .faq-icon::before {
            content: '-';
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
        }

        /* 常见问题自助排查 & AI术语百科 */
        .troubleshooting-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 60px;
        }

        .trouble-card {
            background: #FFFFFF;
            border-radius: 12px;
            padding: 30px;
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .trouble-card h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .trouble-list li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(226, 232, 240, 0.4);
        }

        .trouble-list li:last-child {
            border: none;
        }

        /* 客户评论卡片 (6条) */
        .reviews-section {
            padding: 100px 0;
            background: #FFFFFF;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: var(--light-bg);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            position: relative;
        }

        .review-quote {
            font-size: 15px;
            color: var(--text-main);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient-vibrant);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
        }

        .review-info h4 {
            font-size: 15px;
            font-weight: 800;
            color: var(--dark);
        }

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

        /* 资讯文章列表 & 友情链接 */
        .news-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: #FFFFFF;
            border-radius: 12px;
            padding: 30px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

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

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: block;
        }

        .news-title {
            font-size: 16px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-link {
            color: var(--primary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 加盟代理模块 */
        .franchise-section {
            padding: 100px 0;
            background: var(--gradient-vibrant);
            color: #FFFFFF;
            text-align: center;
        }

        .franchise-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .franchise-section p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 30px auto;
            opacity: 0.9;
        }

        /* 联系我们 & 表单 */
        .contact-section {
            padding: 100px 0;
            background: #FFFFFF;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
        }

        .contact-form {
            background: var(--light-bg);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

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

        .form-label {
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            display: block;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #CBD5E1;
            border-radius: 8px;
            background: #FFFFFF;
            color: var(--text-main);
            font-size: 15px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.1);
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-card {
            background: var(--light-bg);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            margin-bottom: 24px;
        }

        .contact-card h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .contact-item {
            margin-bottom: 16px;
            font-size: 15px;
        }

        .contact-item strong {
            color: var(--dark);
        }

        .qr-wrapper {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .qr-image {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            overflow: hidden;
            background: #FFFFFF;
            border: 1px solid #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qr-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 友情链接区 */
        .links-section {
            padding: 40px 0;
            background: var(--light-bg);
            border-top: 1px solid rgba(226, 232, 240, 0.8);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }

        .links-title {
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
            font-size: 14px;
            text-transform: uppercase;
        }

        .links-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 15px 24px;
        }

        .links-grid a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

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

        /* 页脚 */
        footer {
            background: var(--dark);
            color: #94A3B8;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            margin-bottom: 20px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: #94A3B8;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
        }

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 侧边悬浮窗口 */
        .floating-kefu {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            background: var(--gradient-vibrant);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            box-shadow: 0 10px 30px rgba(121, 40, 202, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .floating-kefu:hover {
            transform: scale(1.1);
        }

        .kefu-icon {
            font-size: 24px;
            color: #FFFFFF;
        }

        .kefu-popover {
            position: absolute;
            bottom: 75px;
            right: 0;
            background: #FFFFFF;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.15);
            border: 1px solid rgba(226, 232, 240, 0.8);
            width: 220px;
            display: none;
            text-align: center;
        }

        .floating-kefu:hover .kefu-popover {
            display: block;
        }

        .kefu-popover img {
            width: 150px;
            height: 150px;
            margin-bottom: 12px;
            border-radius: 4px;
        }

        .kefu-popover p {
            color: var(--dark);
            font-size: 13px;
            font-weight: 700;
        }

        /* 移动端响应式适配 */
        @media (max-width: 1024px) {
            .metrics-grid, .services-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid, .process-steps, .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .token-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                border-bottom: 1px solid rgba(226, 232, 240, 0.8);
                padding: 20px;
                gap: 12px;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .hero-title {
                font-size: 36px;
            }
            .metrics-grid, .services-grid, .reviews-grid, .news-grid, .cases-grid {
                grid-template-columns: 1fr;
            }
            .solutions-grid, .process-steps, .training-grid {
                grid-template-columns: 1fr;
            }
            .troubleshooting-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }