:root {
            --primary: #ff007f; /* 高饱和粉红 */
            --secondary: #7f00ff; /* 高饱和紫色 */
            --accent: #00f2fe; /* 霓虹蓝 */
            --bg-light: #fafafc; /* 极浅冷灰底色 */
            --text-dark: #0b0f19; /* 深蓝黑正文 */
            --text-muted: #4e5969; /* 辅助深灰 */
            --card-shadow: 0 10px 30px rgba(127, 0, 255, 0.06);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(127, 0, 255, 0.05);
        }

        /* 顶部导航 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(127, 0, 255, 0.08);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.02);
        }

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

        .logo-wrap {
            display: flex;
            align-items: center;
            height: 40px;
        }

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

        .nav-menu a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 127, 0.3);
        }

        /* 移动端菜单切换按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* 首屏 Hero 区域（无图设计） */
        .hero {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 242, 254, 0.15) 0%, rgba(127, 0, 255, 0.05) 50%, transparent 100%), #ffffff;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 40%;
            height: 40%;
            background: radial-gradient(circle, rgba(255, 0, 127, 0.1) 0%, transparent 80%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        h1.hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            background: linear-gradient(135deg, var(--text-dark) 30%, var(--secondary) 70%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 35px;
            line-height: 1.8;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 14px 30px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: bold;
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.25);
        }

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

        .btn-secondary {
            background: #ffffff;
            color: var(--text-dark);
            border: 2px solid rgba(127, 0, 255, 0.2);
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: bold;
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        .hero-badge-wrap {
            margin-bottom: 20px;
            display: inline-flex;
            gap: 10px;
            background: rgba(127, 0, 255, 0.05);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(127, 0, 255, 0.1);
        }

        .hero-badge {
            font-size: 12px;
            font-weight: bold;
            color: var(--secondary);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(127, 0, 255, 0.05);
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(255, 0, 127, 0.2);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

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

        /* 通用标题 */
        .section-title-wrap {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* 关于我们 & 平台介绍 */
        .about-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

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

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

        .about-feature-item {
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
            border-left: 4px solid var(--primary);
        }

        .about-feature-item h4 {
            font-size: 15px;
            margin-bottom: 5px;
        }

        .about-feature-item p {
            font-size: 12px;
            margin: 0;
        }

        /* 全平台 AIGC 服务 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: #fff;
            border-radius: 20px;
            padding: 35px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(127, 0, 255, 0.03);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 0, 127, 0.15);
            box-shadow: 0 15px 35px rgba(127, 0, 255, 0.1);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background: rgba(127, 0, 255, 0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--secondary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .model-list-span {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .model-tag {
            font-size: 11px;
            background: rgba(0, 242, 254, 0.1);
            color: #008fa3;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* 对比评测 */
        .eval-container {
            background: #fff;
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(127, 0, 255, 0.05);
        }

        .eval-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(127, 0, 255, 0.08);
            padding-bottom: 25px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .eval-score-box {
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

        .eval-stars {
            color: #ffaa00;
            font-size: 20px;
        }

        .eval-table-wrapper {
            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 rgba(127, 0, 255, 0.05);
        }

        .eval-table th {
            background: rgba(127, 0, 255, 0.02);
            font-weight: bold;
            color: var(--text-dark);
        }

        .eval-table tr:hover td {
            background: rgba(127, 0, 255, 0.01);
        }

        .highlight-col {
            color: var(--primary);
            font-weight: bold;
            background: rgba(255, 0, 127, 0.02);
        }

        /* 全国网络 & 解决方案 */
        .network-section {
            background: radial-gradient(circle at 10% 90%, rgba(127, 0, 255, 0.03) 0%, transparent 70%);
        }

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

        .solution-card {
            background: #fff;
            padding: 24px;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            border-top: 4px solid var(--accent);
        }

        .solution-card h4 {
            margin-bottom: 10px;
            font-size: 18px;
        }

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

        /* 流程步骤与技术标准 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            background: #fff;
            padding: 30px 24px;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 16px;
            margin-bottom: 15px;
        }

        .step-item h4 {
            margin-bottom: 8px;
            font-size: 16px;
        }

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

        /* 客户案例中心 (包含图片) */
        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .case-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
        }

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

        .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-content {
            padding: 25px;
        }

        .case-tag {
            background: rgba(255, 0, 127, 0.1);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: bold;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-content h4 {
            font-size: 18px;
            margin-bottom: 10px;
        }

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

        /* Token 比价与需求匹配 */
        .pricing-section {
            background: #fff;
        }

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

        .pricing-card {
            border: 2px solid rgba(127, 0, 255, 0.05);
            border-radius: 20px;
            padding: 35px;
            text-align: center;
            background: #fff;
            transition: var(--transition);
        }

        .pricing-card.popular {
            border-color: var(--primary);
            position: relative;
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(255, 0, 127, 0.1);
        }

        .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 4px 15px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: bold;
        }

        .pricing-card h4 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .price-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-dark);
            margin: 15px 0;
        }

        .price-num span {
            font-size: 14px;
            font-weight: normal;
            color: var(--text-muted);
        }

        .pricing-features {
            list-style: none;
            margin: 25px 0;
            padding-top: 20px;
            border-top: 1px solid rgba(127, 0, 255, 0.05);
            text-align: left;
        }

        .pricing-features li {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: #fff;
            border: 1px solid rgba(127, 0, 255, 0.05);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            box-shadow: var(--card-shadow);
        }

        .training-card h4 {
            font-size: 15px;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

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

        /* FAQ 折叠面板 & 术语 */
        .faq-section {
            background: #fff;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid rgba(127, 0, 255, 0.08);
            border-radius: 12px;
            overflow: hidden;
            background: #fff;
        }

        .faq-question {
            padding: 20px;
            background: rgba(127, 0, 255, 0.01);
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: rgba(127, 0, 255, 0.03);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 0 solid rgba(127, 0, 255, 0.05);
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 200px;
            border-top-width: 1px;
        }

        .faq-icon-arrow {
            transition: transform 0.3s;
        }

        .faq-item.active .faq-icon-arrow {
            transform: rotate(180deg);
        }

        /* 术语百科 & 标签云 */
        .wiki-wrap {
            max-width: 900px;
            margin: 40px auto 0;
            background: rgba(127, 0, 255, 0.02);
            border-radius: 16px;
            padding: 30px;
            border: 1px dashed rgba(127, 0, 255, 0.15);
        }

        .wiki-wrap h4 {
            margin-bottom: 15px;
            color: var(--text-dark);
            font-size: 16px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud span {
            background: #fff;
            border: 1px solid rgba(127, 0, 255, 0.08);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .comment-card {
            background: #fff;
            padding: 30px;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(127, 0, 255, 0.03);
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .comment-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 18px;
        }

        .comment-meta h5 {
            font-size: 15px;
            color: var(--text-dark);
        }

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

        .comment-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .news-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(127, 0, 255, 0.03);
            display: flex;
            flex-direction: column;
        }

        .news-content {
            padding: 24px;
            flex-grow: 1;
        }

        .news-content h4 {
            font-size: 16px;
            margin-bottom: 12px;
        }

        .news-content h4 a {
            color: var(--text-dark);
        }

        .news-content h4 a:hover {
            color: var(--primary);
        }

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: block;
        }

        /* 联系我们 & 加盟代理 */
        .contact-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info {
            background: linear-gradient(135deg, var(--text-dark), var(--secondary));
            color: #fff;
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 15px 35px rgba(15, 23, 42, 0.15);
        }

        .contact-info h3 {
            font-size: 28px;
            margin-bottom: 25px;
        }

        .contact-details {
            list-style: none;
            margin-bottom: 30px;
        }

        .contact-details li {
            margin-bottom: 20px;
            display: flex;
            align-items: flex-start;
            gap: 15px;
            font-size: 15px;
        }

        .contact-details li strong {
            color: var(--accent);
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .qr-item img {
            width: 110px;
            height: 110px;
            border-radius: 6px;
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 12px;
            margin: 0;
            color: #ccc;
        }

        .form-wrap {
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(127, 0, 255, 0.05);
        }

        .form-wrap h3 {
            font-size: 22px;
            margin-bottom: 20px;
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(127, 0, 255, 0.15);
            border-radius: 8px;
            font-size: 14px;
            background: var(--bg-light);
            color: var(--text-dark);
            outline: none;
            transition: var(--transition);
        }

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

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

        .form-submit-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(255, 0, 127, 0.2);
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(255, 0, 127, 0.3);
        }

        /* 页脚 */
        .footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
        }

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

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

        .footer-col ul li a {
            color: #94a3b8;
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .friend-links a {
            background: rgba(255, 255, 255, 0.05);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            color: #94a3b8;
        }

        .friend-links a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-logo {
            
            max-height: 35px;
        }

        /* 浮动组件 */
        .floating-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .float-btn.kefu-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
        }

        .float-btn.kefu-btn:hover {
            box-shadow: 0 8px 25px rgba(255, 0, 127, 0.35);
        }

        .kefu-qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 160px;
            border: 1px solid rgba(127, 0, 255, 0.1);
        }

        .kefu-qr-popup img {
            width: 130px;
            height: 130px;
            margin-bottom: 8px;
            border-radius: 4px;
        }

        .kefu-qr-popup p {
            font-size: 12px;
            color: var(--text-dark);
            margin: 0;
        }

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

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 20px;
                border-bottom: 1px solid rgba(127, 0, 255, 0.1);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: block;
            }

            .about-wrap, .contact-wrap, .cases-grid {
                grid-template-columns: 1fr;
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pricing-grid {
                grid-template-columns: 1fr;
            }

            .comments-grid, .news-grid {
                grid-template-columns: 1fr;
            }

            h1.hero-title {
                font-size: 30px;
            }
        }

        @media (max-width: 480px) {
            .stats-grid, .process-steps, .solutions-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }