:root {
            --primary: #FF5500;
            --primary-light: #FFF0E6;
            --primary-hover: #E04B00;
            --secondary: #FF8800;
            --dark: #1E1E24;
            --light-bg: #FCFCFD;
            --card-bg: #FFFFFF;
            --border-color: #EAEAEA;
            --text-main: #333333;
            --text-muted: #666666;
            --shadow: 0 10px 30px rgba(255, 85, 0, 0.06);
            --shadow-hover: 0 15px 40px rgba(255, 85, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        /* 统一标题组件 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header .tag {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .section-header h2 {
            font-size: 32px;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 700;
            position: relative;
        }

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

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            gap: 8px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 85, 0, 0.2);
        }

        .btn-secondary {
            background-color: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

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

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

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

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

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

        nav {
            display: flex;
            align-items: center;
            gap: 25px;
        }

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

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

        .nav-btn-group {
            display: flex;
            gap: 12px;
        }

        /* 移动端导航切换 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

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

        /* Hero首屏 - 无图片设计，纯科技感渐变与数据排版 */
        .hero {
            position: relative;
            background: radial-gradient(circle at 80% 20%, rgba(255, 85, 0, 0.05) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 136, 0, 0.05) 0%, transparent 50%),
                        #FFFFFF;
            padding: 120px 0 80px 0;
            text-align: center;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: var(--primary-light);
            border-radius: 30px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 25px;
            border: 1px solid rgba(255, 85, 0, 0.15);
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            max-width: 900px;
            margin: 0 auto 25px auto;
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

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

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 25px 20px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
        }

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

        /* 关于我们 (平台介绍) */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

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

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.8;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .about-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .about-feature-item svg {
            width: 20px;
            height: 20px;
            fill: var(--primary);
            flex-shrink: 0;
            margin-top: 3px;
        }

        .about-feature-item div h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .about-feature-item div p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        .about-highlight-box {
            background: linear-gradient(135deg, var(--primary-light), rgba(255, 136, 0, 0.05));
            border: 1px dashed var(--primary);
            padding: 40px;
            border-radius: 16px;
            text-align: center;
        }

        .about-highlight-box h4 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 15px;
        }

        /* 全平台AIGC服务 */
        .service-list-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 15px;
            margin-top: 35px;
        }

        .model-tag {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 8px;
            text-align: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--dark);
            transition: var(--transition);
            box-shadow: 0 2px 5px rgba(0,0,0,0.02);
        }

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

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

        .produce-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .produce-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

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

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

        .produce-features {
            list-style: none;
            padding-left: 0;
        }

        .produce-features li {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .produce-features li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

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

        .solution-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 40px;
            display: flex;
            gap: 25px;
            transition: var(--transition);
        }

        .solution-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .solution-info h3 {
            font-size: 22px;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .solution-info p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        /* 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .network-text h3 {
            font-size: 26px;
            margin-bottom: 20px;
        }

        .network-text p {
            color: var(--text-muted);
            margin-bottom: 30px;
            font-size: 15px;
        }

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

        .network-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 15px;
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .network-item::before {
            content: "";
            display: block;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
        }

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

        .process-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            transition: var(--transition);
            z-index: 2;
        }

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

        .process-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(255, 85, 0, 0.3);
        }

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

        .process-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 技术标准 */
        .tech-standards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .tech-card {
            border: 1px solid var(--border-color);
            background: #FFFFFF;
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
        }

        .tech-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

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

        .tech-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

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

        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .case-img-container {
            width: 100%;
            height: 240px;
            overflow: hidden;
            background: #F0F0F0;
        }

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

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

        .case-info {
            padding: 30px;
        }

        .case-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .case-info h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .case-meta {
            display: flex;
            justify-content: space-between;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 对比评测 */
        .eval-container {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow);
        }

        .eval-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 25px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .eval-score-box {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .eval-score {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .eval-stars {
            color: #FF8800;
            font-size: 24px;
        }

        .eval-table-wrapper {
            width: 100%;
            overflow-x: auto;
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

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

        .eval-table tr:hover {
            background-color: rgba(255, 85, 0, 0.02);
        }

        .highlight-col {
            background-color: rgba(255, 85, 0, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        /* 智能需求匹配与表单 */
        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .match-info h3 {
            font-size: 26px;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .match-info p {
            color: var(--text-muted);
            margin-bottom: 25px;
            line-height: 1.7;
        }

        .match-form {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            transition: var(--transition);
            background-color: var(--light-bg);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.1);
        }

        select.form-control {
            height: 48px;
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* Token比价参考 */
        .token-intro {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 30px auto;
        }

        /* 职业技术培训 & 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

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

        .training-badge {
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 10px;
            font-size: 12px;
            border-radius: 4px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 15px;
        }

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

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

        .training-meta {
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        /* 帮助中心 & 常见问题自助排查 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .troubleshoot-box {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 35px;
            border-radius: 12px;
        }

        .troubleshoot-step {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
        }

        .troubleshoot-step:last-child {
            margin-bottom: 0;
        }

        .troubleshoot-num {
            width: 28px;
            height: 28px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        .troubleshoot-info h4 {
            font-size: 16px;
            margin-bottom: 5px;
            color: var(--dark);
        }

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

        /* AI术语百科 & 行业资讯知识库 */
        .wiki-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .wiki-list, .news-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .wiki-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .wiki-item:hover {
            border-color: var(--primary);
        }

        .wiki-item h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 6px;
        }

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

        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .news-item:hover {
            padding-left: 5px;
        }

        .news-item a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 80%;
        }

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

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

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

        .faq-item:hover {
            border-color: var(--primary);
        }

        .faq-question {
            padding: 20px 25px;
            font-weight: 600;
            font-size: 16px;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

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

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

        .faq-answer-content {
            padding: 20px 25px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid var(--border-color);
        }

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

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

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

        .comment-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .comment-rating {
            color: #FF8800;
            margin-bottom: 15px;
            font-size: 16px;
        }

        .comment-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .user-avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        .user-info h4 {
            font-size: 14px;
            color: var(--dark);
        }

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

        /* 联系我们 & 加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

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

        .channel-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
        }

        .channel-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .channel-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .channel-card h4 {
            margin-bottom: 8px;
            font-size: 16px;
            color: var(--dark);
        }

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

        .agent-box {
            background: linear-gradient(135deg, var(--dark) 0%, #2A2A35 100%);
            color: #FFFFFF;
            padding: 40px;
            border-radius: 16px;
            position: relative;
        }

        .agent-box h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: #FFFFFF;
        }

        .agent-box p {
            color: #CCCCCC;
            font-size: 14px;
            margin-bottom: 25px;
            line-height: 1.7;
        }

        .agent-list {
            list-style: none;
            padding: 0;
            margin-bottom: 30px;
        }

        .agent-list li {
            margin-bottom: 12px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .agent-list li::before {
            content: "✦";
            color: var(--primary);
        }

        /* 底部信息区 */
        footer {
            background-color: var(--dark);
            color: #FFFFFF;
            padding: 60px 0 30px 0;
            font-size: 14px;
            border-top: 5px solid var(--primary);
        }

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

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .footer-col p {
            color: #999999;
            line-height: 1.7;
            margin-bottom: 15px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

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

        .footer-links a {
            color: #999999;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friendship-links a {
            color: #999999;
            text-decoration: none;
            background: #2E2E38;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 12px;
            transition: var(--transition);
        }

        .friendship-links a:hover {
            color: #FFFFFF;
            background: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid #2E2E38;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            color: #999999;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            right: 20px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.1);
        }

        .float-qr-pop {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            box-shadow: var(--shadow-hover);
            display: none;
            text-align: center;
            width: 140px;
        }

        .float-qr-pop img {
            width: 110px;
            height: 110px;
            margin-bottom: 5px;
        }

        .float-qr-pop p {
            font-size: 12px;
            color: var(--text-main);
            margin: 0;
        }

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

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .produce-grid, .tech-standards, .training-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                position: relative;
            }
            nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
                gap: 15px;
            }
            nav.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 32px;
            }
            .about-grid, .network-grid, .case-grid, .match-grid, .help-grid, .wiki-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .produce-grid, .tech-standards, .training-grid, .comments-grid, .process-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }