/* 样式重置与基本变量 (高饱和艳彩风) */
        :root {
            --primary-grad: linear-gradient(135deg, #ff007f 0%, #7f00ff 50%, #00f0ff 100%);
            --secondary-grad: linear-gradient(90deg, #ff8a00 0%, #e52e71 100%);
            --btn-grad: linear-gradient(135deg, #ff0055 0%, #7a00ff 100%);
            --btn-hover-grad: linear-gradient(135deg, #ff3377 0%, #9933ff 100%);
            --bg-light: #f9fafd;
            --bg-white: #ffffff;
            --text-dark: #121214;
            --text-gray: #4d4f5c;
            --border-color: #e5e8f0;
            --accent-pink: #ff007f;
            --accent-purple: #7f00ff;
            --accent-cyan: #00f0ff;
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 20px 25px -5px rgba(127, 0, 255, 0.1), 0 10px 10px -5px rgba(255, 0, 127, 0.05);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
        }

        * {
            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;
            background-color: var(--bg-light);
            color: var(--text-dark);
        }

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

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-page-logo {
            height: 48px;
            width: auto;
            object-fit: contain;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }

        .nav-link {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .nav-btn-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-btn {
            display: inline-block;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s;
        }

        .nav-btn.btn-outline {
            border: 2px solid var(--accent-purple);
            color: var(--accent-purple);
        }

        .nav-btn.btn-outline:hover {
            background-color: var(--accent-purple);
            color: white;
        }

        .nav-btn.btn-solid {
            background: var(--btn-grad);
            color: white;
            box-shadow: var(--shadow-sm);
        }

        .nav-btn.btn-solid:hover {
            background: var(--btn-hover-grad);
            transform: translateY(-2px);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 移动端菜单激活样式 */
        .nav-menu.active {
            display: flex;
        }

        /* 首屏 Hero (无任何图片) */
        .hero-section {
            padding: 100px 0 80px 0;
            background: radial-gradient(circle at 80% 20%, rgba(255,0,127,0.08) 0%, rgba(127,0,255,0.05) 50%, rgba(255,255,255,0) 100%), var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }

        .hero-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 0, 127, 0.08);
            border: 1px solid rgba(255, 0, 127, 0.2);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-pink);
            margin-bottom: 24px;
        }

        .hero-h1 {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 24px;
        }

        .hero-h1 span {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            font-size: 18px;
            color: var(--text-gray);
            margin-bottom: 40px;
            max-width: 700px;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            width: 100%;
            margin-bottom: 48px;
        }

        .hero-btn-primary {
            padding: 16px 36px;
            border-radius: var(--radius-sm);
            background: var(--btn-grad);
            color: white;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 10px 20px rgba(127, 0, 255, 0.2);
            transition: all 0.3s;
        }

        .hero-btn-primary:hover {
            background: var(--btn-hover-grad);
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(127, 0, 255, 0.35);
        }

        .hero-btn-secondary {
            padding: 16px 36px;
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            color: var(--text-dark);
            border: 2px solid var(--border-color);
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s;
        }

        .hero-btn-secondary:hover {
            border-color: var(--accent-cyan);
            background-color: rgba(0, 240, 255, 0.05);
            transform: translateY(-3px);
        }

        /* 数据指标卡片 (Hero下方) */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            width: 100%;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-md);
            text-align: center;
            transition: all 0.3s;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-grad);
        }

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

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 8px;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        /* 通用区块标题与背景 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-bg-alt {
            background-color: var(--bg-white);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 56px auto;
        }

        .section-tag {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-pink);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            display: inline-block;
        }

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

        .section-desc {
            font-size: 16px;
            color: var(--text-gray);
        }

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--text-dark);
        }

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

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

        .highlight-item {
            padding: 16px;
            background: var(--bg-light);
            border-left: 4px solid var(--accent-purple);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .highlight-title {
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 4px;
        }

        .highlight-desc {
            font-size: 13px;
            color: var(--text-gray);
        }

        .about-badge-card {
            background: linear-gradient(135deg, rgba(127, 0, 255, 0.05) 0%, rgba(255, 0, 127, 0.05) 100%);
            border: 2px dashed rgba(127, 0, 255, 0.2);
            padding: 40px;
            border-radius: var(--radius-lg);
            text-align: center;
        }

        .about-badge-icon {
            font-size: 48px;
            margin-bottom: 16px;
        }

        /* 3. 全平台AIGC服务 - 模型徽章墙 */
        .model-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 30px;
        }

        .model-badge {
            padding: 10px 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
            cursor: default;
        }

        .model-badge:hover {
            border-color: var(--accent-pink);
            color: var(--accent-pink);
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(255, 0, 127, 0.15);
        }

        /* 4. 一站式AIGC制作 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 36px 24px;
            border-radius: var(--radius-md);
            transition: all 0.3s;
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(127, 0, 255, 0.3);
        }

        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            background: var(--primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 24px;
        }

        .feature-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .feature-desc {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.6;
        }

        /* 5. 全行业解决方案 (带横版素材图) */
        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .sol-img-container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .sol-img {
            width: 100%;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            object-fit: cover;
            height: 220px;
            transition: transform 0.5s;
        }

        .sol-img:hover {
            transform: scale(1.02);
        }

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

        .sol-item {
            margin-bottom: 24px;
            padding-left: 32px;
            position: relative;
        }

        .sol-item::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--accent-cyan);
            color: var(--text-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 900;
        }

        .sol-title {
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 6px;
        }

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

        /* 6. 全国服务网络 */
        .network-section {
            text-align: center;
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .network-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
        }

        .network-city {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--accent-purple);
        }

        /* 7. 标准化AIGC流程 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .step-card {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 30px 20px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary-grad);
            color: white;
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px auto;
            box-shadow: var(--shadow-sm);
        }

        .step-title {
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 13px;
            color: var(--text-gray);
        }

        /* 8. 技术标准 */
        .standards-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .standard-card {
            background: linear-gradient(to bottom, var(--bg-white) 0%, var(--bg-light) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

        .standard-tag {
            background: var(--text-dark);
            color: white;
            padding: 4px 12px;
            font-size: 12px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 16px;
        }

        /* 9. 客户案例中心 (包含宣传图与方版素材) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .case-img-wrap {
            position: relative;
            overflow: hidden;
            height: 200px;
            background-color: #eaecef;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .case-card:hover .case-img-wrap img {
            transform: scale(1.08);
        }

        .case-info {
            padding: 24px;
        }

        .case-tag {
            color: var(--accent-pink);
            font-weight: 700;
            font-size: 12px;
            margin-bottom: 8px;
            display: block;
        }

        .case-title {
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        /* 10. 对比评测 (核心要求) */
        .evaluation-box {
            background: var(--bg-white);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-lg);
        }

        .eval-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .eval-rating {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .stars {
            font-size: 32px;
            color: #ffb800;
        }

        .score-box {
            text-align: right;
        }

        .score-num {
            font-size: 48px;
            font-weight: 900;
            color: var(--accent-pink);
            line-height: 1;
        }

        .score-max {
            font-size: 16px;
            color: var(--text-gray);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .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);
        }

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

        .eval-table tr:hover {
            background-color: rgba(127, 0, 255, 0.02);
        }

        .highlight-col {
            background-color: rgba(255, 0, 127, 0.03);
            font-weight: 700;
        }

        /* 11. 智能需求匹配 (表单) */
        .matcher-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .matcher-form-wrap {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

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

        .form-label {
            display: block;
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 15px;
            outline: none;
            transition: all 0.3s;
        }

        .form-control:focus {
            border-color: var(--accent-purple);
            box-shadow: 0 0 0 3px rgba(127, 0, 255, 0.1);
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--btn-grad);
            color: white;
            font-size: 16px;
            font-weight: 700;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }

        .btn-submit:hover {
            background: var(--btn-hover-grad);
            transform: translateY(-2px);
        }

        /* 12. Token比价参考 */
        .pricing-table-wrap {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        /* 13-14. 培训业务 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-md);
            text-align: center;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--accent-cyan);
            transform: scale(1.03);
            box-shadow: var(--shadow-md);
        }

        .training-icon {
            font-size: 32px;
            margin-bottom: 16px;
            display: block;
        }

        .training-title {
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 8px;
        }

        /* 15-17. 常见问题 FAQ (10条以上折叠面板) */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-header {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-header::after {
            content: "+";
            font-size: 20px;
            font-weight: 400;
            transition: transform 0.3s;
        }

        .faq-item.active .faq-header::after {
            content: "−";
        }

        .faq-body {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.8;
            border-top: 0 solid var(--border-color);
        }

        .faq-item.active .faq-body {
            padding: 20px 24px;
            max-height: 300px;
            border-top: 1px solid var(--border-color);
        }

        /* 17. 常见问题自助排查 */
        .trouble-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .trouble-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-md);
        }

        .trouble-step {
            display: inline-block;
            background: var(--accent-pink);
            color: white;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        /* 18. AI术语百科 */
        .terms-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .term-tag {
            padding: 8px 16px;
            background: rgba(127, 0, 255, 0.05);
            border: 1px solid rgba(127, 0, 255, 0.1);
            color: var(--accent-purple);
            border-radius: 4px;
            font-size: 13px;
            font-weight: 600;
        }

        /* 19. 行业资讯 / 知识库 (最新文章) */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
            line-height: 1.4;
        }

        .article-link {
            font-size: 14px;
            color: var(--accent-pink);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 16px;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* 6条用户评论 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testi-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

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

        .testi-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testi-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: white;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .testi-info h4 {
            font-size: 15px;
            font-weight: 700;
        }

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

        /* 20-21. 联系我们 & 加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
        }

        .contact-info-panel {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: var(--radius-lg);
        }

        .contact-item {
            margin-bottom: 30px;
        }

        .contact-label {
            font-weight: 700;
            font-size: 14px;
            color: var(--accent-purple);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .contact-val {
            font-size: 16px;
            font-weight: 600;
        }

        .qr-box {
            margin-top: 30px;
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-light);
            padding: 16px;
            border-radius: var(--radius-sm);
        }

        .qr-box img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            border-radius: 4px;
        }

        .qr-text {
            font-size: 14px;
            color: var(--text-gray);
        }

        /* 页脚 */
        footer {
            background-color: #0f1015;
            color: #a0a5b5;
            padding: 60px 0 30px 0;
            font-size: 14px;
            border-top: 1px solid #1f212a;
        }

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

        .footer-col h5 {
            color: white;
            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: #a0a5b5;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid #1f212a;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #a0a5b5;
            text-decoration: none;
        }

        .footer-links a:hover {
            color: white;
        }

        /* 侧边悬停客服 */
        .float-contact {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            text-decoration: none;
            box-shadow: var(--shadow-md);
            transition: all 0.3s;
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            padding: 12px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-lg);
            display: none;
            border: 1px solid var(--border-color);
        }

        .float-qr img {
            width: 120px;
            height: 120px;
            display: block;
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-container {
                grid-template-columns: repeat(3, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: white;
                border-bottom: 1px solid var(--border-color);
                padding: 24px;
                gap: 16px;
                box-shadow: var(--shadow-md);
            }
            .nav-btn-wrapper {
                display: none;
            }
            .hero-h1 {
                font-size: 32px;
            }
            .about-grid, .solutions-grid, .matcher-container, .contact-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid, .features-grid, .steps-container, .training-grid, .cases-grid, .testimonials-grid, .articles-grid, .trouble-grid, .network-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }