/* 变量定义：宝蓝明艳风 */
        :root {
            --primary: #0052D9;      /* 经典宝蓝 */
            --primary-hover: #003C9D;
            --secondary: #00A389;    /* 明艳青绿 */
            --accent: #FF9900;       /* 明艳点缀橙 */
            --text-dark: #1E2329;    /* 深黑正文 */
            --text-muted: #5F6C7A;   /* 深灰辅色 */
            --bg-light: #F5F7FA;     /* 浅灰蓝背景 */
            --bg-white: #FFFFFF;
            --border-color: #E2E8F0;
            --shadow-sm: 0 2px 8px rgba(0, 82, 217, 0.05);
            --shadow-md: 0 10px 25px rgba(0, 82, 217, 0.08);
            --shadow-lg: 0 20px 40px rgba(0, 82, 217, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

        /* 基础样式重置 */
        * {
            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-dark);
            background-color: var(--bg-light);
            line-height: 1.6;
        }
        body {
            position: relative;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            outline: none;
        }

        /* 核心布局容器 */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-area img {
            height: 40px;
            width: auto;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .nav-menu {
            display: flex;
            gap: 24px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .btn-visit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 20px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: var(--bg-white);
            border: 1px solid var(--primary);
            transition: var(--transition);
        }
        .btn-visit:hover {
            background: var(--primary-hover);
            color: var(--bg-white);
            transform: translateY(-1px);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }

        /* 页面主要区域间距 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-light {
            background-color: var(--bg-light);
        }
        .section-white {
            background-color: var(--bg-white);
        }

        /* 模块标题规范 */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(0, 82, 217, 0.08);
            color: var(--primary);
            border-radius: 50px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
        }

        /* 1. Hero 首屏 (无图片) */
        .hero {
            padding-top: 150px;
            padding-bottom: 90px;
            background: linear-gradient(135deg, rgba(0, 82, 217, 0.03) 0%, rgba(0, 163, 137, 0.03) 100%), var(--bg-white);
            position: relative;
            overflow: hidden;
        }
        /* 几何装饰背景 */
        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 82, 217, 0.08) 0%, rgba(0, 82, 217, 0) 70%);
            border-radius: 50%;
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 163, 137, 0.06) 0%, rgba(0, 163, 137, 0) 70%);
            border-radius: 50%;
            z-index: 1;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(0, 82, 217, 0.06);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(0, 82, 217, 0.1);
        }
        .hero-badge span {
            color: var(--accent);
        }
        .hero h1 {
            font-size: 46px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }
        .hero h1 span {
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 36px;
            max-width: 750px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            background: var(--primary);
            color: var(--bg-white);
            border: 1px solid var(--primary);
            box-shadow: 0 4px 14px rgba(0, 82, 217, 0.2);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: var(--bg-white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 82, 217, 0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: rgba(0, 82, 217, 0.05);
            transform: translateY(-2px);
        }

        /* 数据指标卡片 (Hero区下方) */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 2. 关于我们 + 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 28px;
            margin-bottom: 20px;
            color: var(--text-dark);
            position: relative;
            padding-left: 16px;
        }
        .about-content h3::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--primary);
            border-radius: 2px;
        }
        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.8;
        }
        .features-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }
        .feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .feature-item::before {
            content: "✓";
            color: var(--secondary);
            font-weight: 900;
        }
        .about-image-wrapper {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        /* 3. 全平台AIGC服务 (模型聚合) */
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 16px;
            margin-top: 32px;
        }
        .platform-tag {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 12px 8px;
            border-radius: 8px;
            text-align: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .platform-tag:hover {
            border-color: var(--primary);
            background: rgba(0, 82, 217, 0.02);
            transform: translateY(-2px);
        }

        /* 4. 一站式AIGC制作 (核心场景) */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 32px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .scenario-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }
        .scenario-icon {
            font-size: 32px;
            margin-bottom: 20px;
            color: var(--primary);
        }
        .scenario-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 5. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 28px;
            display: flex;
            gap: 20px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .solution-card:hover {
            transform: scale(1.01);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .solution-info h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .solution-info p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .network-card {
            background: var(--bg-white);
            border-radius: 10px;
            padding: 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .network-title {
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .network-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 7. 标准化AIGC流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-step {
            background: var(--bg-white);
            padding: 28px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 16px auto;
        }
        .process-step h3 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 8. 技术标准 */
        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .standard-card {
            background: var(--bg-white);
            padding: 24px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
        }
        .standard-card h3 {
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .standard-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 9. 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-card {
            background: var(--bg-white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #eef2f7;
        }
        .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-body {
            padding: 20px;
        }
        .case-tag {
            display: inline-block;
            padding: 2px 8px;
            font-size: 11px;
            background: rgba(0, 163, 137, 0.1);
            color: var(--secondary);
            border-radius: 4px;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .case-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .case-body p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 10. 对比评测 */
        .comparison-area {
            background: var(--bg-white);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }
        .score-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
            background: rgba(0, 82, 217, 0.03);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid rgba(0, 82, 217, 0.08);
        }
        .score-value {
            font-size: 48px;
            font-weight: 900;
            color: var(--primary);
        }
        .score-stars {
            font-size: 24px;
            color: var(--accent);
        }
        .score-text {
            font-size: 15px;
            color: var(--text-muted);
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .compare-table th, .compare-table td {
            padding: 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .compare-table th {
            background: var(--bg-light);
            font-weight: 700;
            color: var(--text-dark);
        }
        .compare-table tr:hover {
            background: rgba(0, 82, 217, 0.01);
        }
        .highlight-td {
            font-weight: 700;
            color: var(--primary);
            background: rgba(0, 82, 217, 0.02);
        }

        /* 11. 智能需求匹配 */
        .match-card {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            max-width: 800px;
            margin: 0 auto;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            font-size: 14px;
            color: var(--text-dark);
        }
        .form-control {
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 14px;
            transition: var(--transition);
            background: var(--bg-light);
        }
        .form-control:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.1);
        }
        .btn-submit {
            background: var(--primary);
            color: var(--bg-white);
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
        }
        .btn-submit:hover {
            background: var(--primary-hover);
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .token-card {
            background: var(--bg-white);
            border-radius: 10px;
            padding: 24px;
            border: 1px solid var(--border-color);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .token-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .token-model {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .token-price {
            font-size: 24px;
            font-weight: 800;
            color: var(--secondary);
            margin: 12px 0;
        }
        .token-remark {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 13 & 14. 职业技术培训 / 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .training-card {
            background: var(--bg-white);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .training-card:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .training-icon {
            font-size: 24px;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .training-title {
            font-weight: 700;
            font-size: 14px;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .training-badge {
            display: inline-block;
            padding: 2px 8px;
            font-size: 10px;
            background: rgba(255, 153, 0, 0.1);
            color: var(--accent);
            font-weight: 600;
            border-radius: 4px;
        }

        /* 15 & 16 & 17. 常见用户问题 FAQ + 自助排查 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: 8px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-white);
            transition: var(--transition);
        }
        .faq-question:hover {
            background: rgba(0, 82, 217, 0.02);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 0 solid var(--border-color);
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 16px 24px;
            border-top-width: 1px;
        }
        .faq-icon::after {
            content: '+';
            font-size: 20px;
            font-weight: 300;
        }
        .faq-item.active .faq-icon::after {
            content: '−';
        }

        /* 18. AI术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .wiki-card {
            background: var(--bg-white);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .wiki-term {
            font-weight: 700;
            font-size: 16px;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .wiki-def {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 6条用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .comment-card {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 28px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .comment-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            position: relative;
        }
        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }
        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
        }
        .user-info h4 {
            font-size: 14px;
            color: var(--text-dark);
        }
        .user-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 19. 行业资讯 / 知识库 / 文章列表 */
        .articles-area {
            background: var(--bg-white);
            padding: 40px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .articles-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .article-link-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-link-item:hover {
            background: rgba(0, 82, 217, 0.02);
            padding-left: 20px;
        }
        .article-link-item a {
            font-weight: 600;
            color: var(--text-dark);
        }
        .article-link-item a:hover {
            color: var(--primary);
        }
        .article-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 20 & 21. 联系我们 + 加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .info-card {
            background: var(--bg-white);
            border-radius: 10px;
            padding: 20px;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .info-icon {
            font-size: 24px;
            color: var(--primary);
        }
        .info-details h4 {
            font-size: 16px;
            margin-bottom: 4px;
        }
        .info-details p, .info-details a {
            font-size: 14px;
            color: var(--text-muted);
        }
        .qr-codes {
            display: flex;
            gap: 24px;
            margin-top: 16px;
        }
        .qr-item {
            text-align: center;
            font-size: 13px;
            color: var(--text-dark);
            font-weight: 600;
        }
        .qr-item img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
        }

        /* 底部友情链接与页脚 */
        .footer {
            background-color: #1A1F26;
            color: #A0AEC0;
            padding: 60px 0 30px 0;
            border-top: 4px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            color: var(--bg-white);
            margin-bottom: 16px;
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-links h4 {
            color: var(--bg-white);
            margin-bottom: 16px;
            font-size: 16px;
        }
        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: #A0AEC0;
            font-size: 14px;
        }
        .footer-links a:hover {
            color: var(--bg-white);
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .friend-links a {
            display: inline-block;
            background: #2D3748;
            color: #A0AEC0;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 12px;
            transition: var(--transition);
        }
        .friend-links a:hover {
            background: var(--primary);
            color: var(--bg-white);
        }
        .footer-bottom {
            border-top: 1px solid #2D3748;
            padding-top: 30px;
            text-align: center;
            font-size: 13px;
        }
        .footer-bottom p {
            margin-bottom: 8px;
        }

        /* 悬浮客服 */
        .float-kefu {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .float-btn {
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            font-weight: 700;
            font-size: 12px;
            text-align: center;
            transition: var(--transition);
        }
        .float-btn:hover {
            background: var(--primary-hover);
            transform: scale(1.05);
        }
        .float-qr-pop {
            display: none;
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 8px;
            box-shadow: var(--shadow-lg);
            text-align: center;
            width: 150px;
        }
        .float-qr-pop img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }
        .float-btn-kefu:hover .float-qr-pop {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .hero h1 { font-size: 36px; }
            .hero-stats { grid-template-columns: repeat(2, 1fr); }
            .about-grid { grid-template-columns: 1fr; }
            .scenarios-grid { grid-template-columns: 1fr 1fr; }
            .solutions-grid { grid-template-columns: 1fr; }
            .process-flow { grid-template-columns: repeat(2, 1fr); }
            .cases-grid { grid-template-columns: 1fr 1fr; }
            .comments-grid { grid-template-columns: 1fr 1fr; }
            .training-grid { grid-template-columns: repeat(3, 1fr); }
            .footer-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 16px;
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 { font-size: 28px; }
            .scenarios-grid { grid-template-columns: 1fr; }
            .process-flow { grid-template-columns: 1fr; }
            .cases-grid { grid-template-columns: 1fr; }
            .comments-grid { grid-template-columns: 1fr; }
            .token-grid { grid-template-columns: 1fr 1fr; }
            .training-grid { grid-template-columns: 1fr 1fr; }
            .contact-grid { grid-template-columns: 1fr; }
            .form-row { grid-template-columns: 1fr; }
            .wiki-grid { grid-template-columns: 1fr; }
        }