:root {
            --primary: #6366f1;
            --primary-hover: #4f46e5;
            --accent-pink: #ec4899;
            --accent-purple: #a855f7;
            --accent-cyan: #06b6d4;
            --dark-blue: #0f172a;
            --light-bg: #f8fafc;
            --card-bg: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --gradient-trendy: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-purple) 50%, var(--primary) 100%);
            --gradient-cool: linear-gradient(135deg, var(--accent-cyan) 0%, var(--primary) 100%);
            --transition-smooth: 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, "Noto Sans CJK SC", sans-serif;
            background-color: var(--light-bg);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

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

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

        .logo-area img {
            height: 40px;
            width: auto;
        }

        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }

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

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

        .nav-btn {
            background: var(--gradient-trendy);
            color: white !important;
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600 !important;
            box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.5);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 3px;
            transition: var(--transition-smooth);
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero-section {
            padding: 100px 0 80px;
            position: relative;
            background: radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 25px;
            border: 1px solid rgba(99, 102, 241, 0.2);
        }

        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--dark-blue);
            margin-bottom: 20px;
        }

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

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
        }

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

        .btn-main {
            text-decoration: none;
            background: var(--gradient-trendy);
            color: white;
            padding: 14px 30px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 16px;
            box-shadow: 0 4px 20px rgba(236, 72, 153, 0.4);
            transition: var(--transition-smooth);
        }

        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(236, 72, 153, 0.6);
        }

        .btn-secondary {
            text-decoration: none;
            background: white;
            color: var(--text-main);
            padding: 14px 30px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .btn-secondary:hover {
            background: var(--light-bg);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 数据指标卡片 */
        .stats-section {
            padding: 40px 0;
            background: white;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

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

        .stat-card {
            padding: 20px;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            background: var(--gradient-trendy);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

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

        /* 通用区块样式 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

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

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--gradient-trendy);
            border-radius: 2px;
        }

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

        section {
            padding: 80px 0;
        }

        .bg-white {
            background-color: white;
        }

        .bg-light {
            background-color: var(--light-bg);
        }

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

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

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

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

        .about-feat-item {
            padding: 15px;
            border-left: 4px solid var(--accent-pink);
            background: var(--light-bg);
            border-radius: 0 8px 8px 0;
        }

        .about-feat-item h4 {
            font-size: 16px;
            color: var(--dark-blue);
            margin-bottom: 5px;
        }

        .about-feat-item p {
            font-size: 13px;
            margin: 0;
        }

        .about-media {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        .about-media img {
            width: 100%;
            display: block;
        }

        /* AIGC 服务与制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-trendy);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-smooth);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(99,102,241,0.08);
            border-color: rgba(99,102,241,0.2);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

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

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

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tags span {
            font-size: 11px;
            background: var(--light-bg);
            color: var(--primary);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* 标签云组件 */
        .tag-cloud-wrapper {
            margin-top: 40px;
            background: white;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .tag-cloud-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 15px;
            text-align: center;
            color: var(--dark-blue);
        }

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

        .tag-item {
            font-size: 13px;
            background: var(--light-bg);
            color: var(--text-main);
            padding: 6px 12px;
            border-radius: 50px;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .tag-item:hover {
            background: var(--gradient-trendy);
            color: white;
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 解决方案与流程 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .solution-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .solution-card:hover {
            transform: translateY(-3px);
            border-color: var(--accent-pink);
            box-shadow: 0 10px 20px rgba(236,72,153,0.05);
        }

        .solution-card h4 {
            font-size: 18px;
            color: var(--dark-blue);
            margin: 15px 0 10px;
        }

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

        /* 时间线流程组件 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 40px auto 0;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 20px 40px;
            box-sizing: border-box;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-badge {
            position: absolute;
            top: 25px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--gradient-trendy);
            z-index: 2;
        }

        .timeline-item:nth-child(odd) .timeline-badge {
            right: -8px;
        }

        .timeline-item:nth-child(even) .timeline-badge {
            left: -8px;
        }

        .timeline-panel {
            background: white;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .timeline-panel h3 {
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 5px;
        }

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

        /* 案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }

        .case-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #eee;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-info span {
            font-size: 12px;
            color: var(--accent-pink);
            font-weight: 600;
        }

        .case-info h4 {
            font-size: 18px;
            color: var(--dark-blue);
            margin: 5px 0 10px;
        }

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

        /* 对比评测 */
        .rating-box {
            background: var(--gradient-trendy);
            color: white;
            padding: 40px;
            border-radius: 16px;
            text-align: center;
            margin-bottom: 40px;
            box-shadow: 0 10px 30px rgba(236,72,153,0.2);
        }

        .rating-num {
            font-size: 64px;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 10px;
        }

        .rating-stars {
            font-size: 24px;
            color: #fbbf24;
            margin-bottom: 10px;
        }

        .rating-desc {
            font-size: 16px;
            opacity: 0.9;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background: white;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

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

        tr:last-child td {
            border-bottom: none;
        }

        .highlight-cell {
            background: rgba(99, 102, 241, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        /* 培训中心 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .train-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .train-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(99,102,241,0.05);
        }

        .train-badge {
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent-cyan);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 15px;
        }

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

        .train-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .train-meta {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* FAQ折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition-smooth);
        }

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

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

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .faq-item.active .faq-content {
            padding: 0 20px 20px;
            max-height: 200px;
        }

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

        .review-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
        }

        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .user-info h4 {
            font-size: 15px;
            color: var(--dark-blue);
        }

        .user-info span {
            font-size: 12px;
            color: var(--primary);
        }

        /* 文章列表与排查 */
        .info-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .article-item {
            background: white;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition-smooth);
            text-decoration: none;
        }

        .article-item:hover {
            border-color: var(--primary);
            transform: translateX(5px);
        }

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

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

        .article-arrow {
            font-size: 18px;
            color: var(--primary);
        }

        .sidebar-widget {
            background: white;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            padding: 20px;
            margin-bottom: 20px;
        }

        .sidebar-widget h3 {
            font-size: 16px;
            color: var(--dark-blue);
            margin-bottom: 15px;
            border-bottom: 2px solid var(--light-bg);
            padding-bottom: 8px;
        }

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

        .trouble-list li {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            gap: 8px;
        }

        .trouble-list li::before {
            content: '•';
            color: var(--accent-pink);
            font-weight: bold;
        }

        /* 表单与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

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

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

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

        .contact-icon {
            width: 40px;
            height: 40px;
            background: rgba(236,72,153,0.1);
            color: var(--accent-pink);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .contact-text h4 {
            font-size: 14px;
            color: var(--text-muted);
        }

        .contact-text p {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark-blue);
        }

        .contact-qrcode {
            background: white;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            display: inline-flex;
            align-items: center;
            gap: 20px;
            max-width: 320px;
        }

        .contact-qrcode img {
            width: 100px;
            height: 100px;
            border-radius: 6px;
        }

        .qrcode-text h5 {
            font-size: 15px;
            color: var(--dark-blue);
            margin-bottom: 4px;
        }

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

        /* 需求表单 */
        .form-card {
            background: white;
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--light-bg);
            color: var(--text-main);
            font-size: 14px;
            outline: none;
            transition: var(--transition-smooth);
        }

        .form-control:focus {
            border-color: var(--primary);
            background: white;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

        textarea.form-control {
            height: 120px;
            resize: none;
        }

        .btn-submit {
            width: 100%;
            background: var(--gradient-trendy);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(236,72,153,0.3);
            transition: var(--transition-smooth);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(236,72,153,0.5);
        }

        /* 页脚样式 */
        footer {
            background: var(--dark-blue);
            color: #94a3b8;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

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

        .footer-brand img {
            height: 40px;
            margin-bottom: 20px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-col h4 {
            color: white;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -6px;
            width: 30px;
            height: 2px;
            background: var(--accent-pink);
        }

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

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

        .footer-col ul li a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition-smooth);
        }

        .footer-col ul li a:hover {
            color: white;
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 13px;
        }

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

        .friendly-links a {
            color: #64748b;
            text-decoration: none;
            transition: var(--transition-smooth);
        }

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

        /* 侧边浮动栏 */
        .floating-sidebar {
            position: fixed;
            right: 20px;
            bottom: 100px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: white;
            border-radius: 50px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition-smooth);
            border: 1px solid var(--border-color);
        }

        .float-btn:hover {
            background: var(--gradient-trendy);
            color: white;
            transform: translateY(-3px);
        }

        .float-btn svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }

        .float-qrcode-pop {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            flex-direction: column;
            align-items: center;
            width: 130px;
            border: 1px solid var(--border-color);
        }

        .float-qrcode-pop img {
            width: 100px;
            height: 100px;
            margin-bottom: 5px;
        }

        .float-qrcode-pop span {
            font-size: 12px;
            color: var(--text-main);
        }

        .float-btn:hover .float-qrcode-pop {
            display: flex;
        }

        /* 移动端响应式 */
        @media (max-width: 992px) {
            .hero-title { font-size: 32px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .about-grid { grid-template-columns: 1fr; }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .solutions-grid { grid-template-columns: repeat(2, 1fr); }
            .case-grid { grid-template-columns: repeat(2, 1fr); }
            .train-grid { grid-template-columns: repeat(2, 1fr); }
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
            .info-grid { grid-template-columns: 1fr; }
            .contact-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 20px;
                border-top: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .timeline::before { left: 20px; }
            .timeline-item { width: 100%; padding-left: 40px; padding-right: 0; }
            .timeline-item:nth-child(odd) { text-align: left; }
            .timeline-item:nth-child(even) { left: 0; }
            .timeline-item:nth-child(odd) .timeline-badge { left: 12px; right: auto; }
            .timeline-item:nth-child(even) .timeline-badge { left: 12px; }
            .stats-grid { grid-template-columns: 1fr; }
            .services-grid { grid-template-columns: 1fr; }
            .solutions-grid { grid-template-columns: 1fr; }
            .case-grid { grid-template-columns: 1fr; }
            .train-grid { grid-template-columns: 1fr; }
            .reviews-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }