/* 撞色艳色风 - 极致美观与可读性结合 */
        :root {
            --primary: #2563eb;       /* 科技宝蓝 */
            --accent: #ff471a;        /* 活力橙红 */
            --dark: #0f172a;          /* 深邃黑蓝 */
            --light-bg: #f8fafc;      /* 浅灰白 */
            --card-bg: #ffffff;       /* 白色卡片 */
            --border: #e2e8f0;        /* 边框色 */
            --text-main: #334155;     /* 正文深灰 */
            --gradient: linear-gradient(135deg, #2563eb 0%, #ff471a 100%);
        }

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

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

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

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

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

        .brand-logo {
            display: flex;
            align-items: center;
            height: 45px;
        }

        .brand-logo img {
            max-height: 100%;
            width: auto;
        }

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

        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            font-size: 14px;
            transition: color 0.3s;
        }

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

        .nav-btn {
            background-color: var(--primary);
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 6px;
            transition: transform 0.2s, background-color 0.3s;
        }

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

        /* 移动端菜单切换按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 首屏 Hero 区 - 绝对禁止出现任何图片 */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, rgba(255, 71, 26, 0.05) 90%);
            padding: 120px 0 100px;
            text-align: center;
        }

        .hero-badge {
            background: rgba(255, 71, 26, 0.1);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

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

        .hero p {
            font-size: 1.15rem;
            color: var(--text-main);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-main {
            background: var(--gradient);
            color: #fff;
            padding: 15px 36px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(255, 71, 26, 0.3);
            transition: transform 0.2s, box-shadow 0.3s;
        }

        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(255, 71, 26, 0.4);
        }

        .btn-sub {
            background: #fff;
            color: var(--dark);
            border: 2px solid var(--dark);
            padding: 13px 34px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: background-color 0.3s, transform 0.2s;
        }

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

        /* 核心数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient);
            border-radius: 12px 12px 0 0;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
        }

        .stat-card:hover::before {
            opacity: 1;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* 通用标题样式 */
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-title p {
            color: var(--text-main);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

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

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            padding: 40px 30px;
            border-radius: 16px;
            transition: all 0.3s ease;
        }

        .service-card:hover {
            border-color: var(--primary);
            transform: translateY(-8px);
            box-shadow: 0 20px 30px -10px rgba(37, 99, 235, 0.1);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 24px;
            font-weight: bold;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 14px;
            color: var(--dark);
        }

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

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

        .service-tags span {
            background-color: var(--light-bg);
            color: var(--text-main);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 4px;
        }

        /* 一站式AIGC制作场景 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .scenario-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            display: flex;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .scenario-content {
            padding: 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .scenario-content h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .scenario-content p {
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .scenario-features {
            list-style: none;
            font-size: 13px;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .scenario-features li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
        }

        .scenario-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }

        /* 全行业解决方案 */
        .solutions-container {
            background-color: var(--dark);
            color: #fff;
            border-radius: 24px;
            padding: 60px 40px;
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .solution-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            padding: 30px;
            border-radius: 16px;
            transition: background-color 0.3s;
        }

        .solution-card:hover {
            background: rgba(255,255,255,0.08);
        }

        .solution-card h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #fff;
        }

        .solution-card p {
            font-size: 14px;
            color: #94a3b8;
        }

        /* 全国服务网络 (标签云组件) */
        .network-section {
            background: #fff;
            border-radius: 20px;
            padding: 50px;
            border: 1px solid var(--border);
            text-align: center;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 800px;
            margin: 30px auto 0;
        }

        .tag-cloud span {
            background: var(--light-bg);
            border: 1px solid var(--border);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            transition: all 0.3s;
        }

        .tag-cloud span:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* 标准化AIGC流程与技术标准 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 40px auto 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            width: 2px;
            background: var(--border);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -1px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: #fff;
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left-timeline {
            left: 0;
            text-align: right;
        }

        .right-timeline {
            left: 50%;
        }

        .right-timeline::after {
            left: -8px;
        }

        .timeline-content {
            padding: 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
        }

        .timeline-content h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--dark);
        }

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

        /* 客户案例中心 - 包含要求插入的图片元素 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #f1f5f9;
        }

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

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

        .case-info {
            padding: 25px;
        }

        .case-info span {
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin: 8px 0 12px;
            color: var(--dark);
        }

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

        /* 对比评测板块 */
        .compare-box {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px;
            margin-top: 40px;
        }

        .compare-summary {
            display: flex;
            justify-content: space-around;
            align-items: center;
            border-bottom: 1px solid var(--border);
            padding-bottom: 30px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .summary-item {
            text-align: center;
        }

        .summary-val {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
        }

        .summary-label {
            font-size: 14px;
            color: var(--text-main);
            font-weight: 600;
        }

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

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

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

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

        .compare-table td strong {
            color: var(--primary);
        }

        /* 智能需求匹配与价格参考 */
        .pricing-section {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(255, 71, 26, 0.03) 100%);
            border-radius: 24px;
            padding: 60px 40px;
            border: 1px solid var(--border);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .price-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px 30px;
            text-align: center;
            position: relative;
            transition: all 0.3s;
        }

        .price-card.popular {
            border-color: var(--accent);
            box-shadow: 0 10px 30px rgba(255, 71, 26, 0.15);
        }

        .price-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: bold;
        }

        .price-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 25px;
        }

        .price-num span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-main);
        }

        .price-list {
            list-style: none;
            text-align: left;
            margin-bottom: 30px;
            font-size: 14px;
            color: var(--text-main);
        }

        .price-list li {
            padding: 8px 0;
            border-bottom: 1px dotted var(--border);
        }

        /* 职业技术培训板块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 35px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--primary);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }

        .training-badge {
            align-self: flex-start;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .training-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

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

        .course-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-bottom: 30px;
        }

        .course-item {
            background: var(--light-bg);
            padding: 10px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--dark);
            text-align: center;
        }

        /* FAQ 折叠面板与排查 */
        .faq-wrapper {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 15px;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
            transition: background-color 0.3s;
        }

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

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

        .faq-item.active .faq-answer {
            padding: 18px 24px;
            max-height: 300px;
            border-top: 1px solid var(--border);
        }

        .faq-icon::before {
            content: '+';
            font-size: 18px;
            font-weight: bold;
        }

        .faq-item.active .faq-icon::before {
            content: '-';
        }

        /* 常见问题自助排查 */
        .troubleshoot-box {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            margin-top: 40px;
        }

        .troubleshoot-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .troubleshoot-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .troubleshoot-step strong {
            color: var(--accent);
            display: block;
            margin-bottom: 5px;
        }

        /* AI 术语百科 */
        .lexicon-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .lexicon-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 20px;
        }

        .lexicon-card h4 {
            font-size: 14px;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* 客户评论卡片 (6条) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 30px;
            position: relative;
            transition: all 0.3s;
        }

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

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

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

        .author-avatar {
            width: 44px;
            height: 44px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
        }

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

        .author-info span {
            font-size: 12px;
            color: var(--text-main);
        }

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

        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            transition: border-color 0.3s;
        }

        .news-card:hover {
            border-color: var(--primary);
        }

        .news-card span {
            font-size: 12px;
            color: var(--text-main);
        }

        .news-card h3 {
            font-size: 1.1rem;
            margin: 10px 0 14px;
            color: var(--dark);
            line-height: 1.4;
        }

        .news-card a {
            color: var(--primary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
        }

        .news-card a:hover {
            text-decoration: underline;
        }

        /* 联系我们与表单 & 加盟代理 */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

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

        .contact-details {
            margin: 30px 0;
        }

        .contact-item {
            margin-bottom: 20px;
            font-size: 15px;
        }

        .contact-item strong {
            display: block;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .contact-item a {
            color: var(--primary);
            text-decoration: none;
        }

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

        .qr-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            width: 140px;
        }

        .qr-card img {
            width: 110px;
            height: 110px;
            object-fit: cover;
            margin-bottom: 8px;
        }

        .qr-card p {
            font-size: 11px;
            font-weight: 600;
            color: var(--dark);
        }

        .contact-form {
            background: #fff;
            border: 1px solid var(--border);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 14px;
            color: var(--dark);
            background-color: var(--light-bg);
            transition: border-color 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #fff;
        }

        .btn-submit {
            background: var(--gradient);
            color: #fff;
            border: none;
            width: 100%;
            padding: 14px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(37,99,235,0.2);
            transition: transform 0.2s, box-shadow 0.3s;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37,99,235,0.3);
        }

        /* 友情链接与底部导航 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 40px;
            margin-bottom: 30px;
        }

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

        .footer-logo img {
            max-height: 100%;
        }

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

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

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

        .footer-col ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 10px;
        }

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 浮动客服入口 */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-item {
            width: 48px;
            height: 48px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            position: relative;
            transition: transform 0.3s, background-color 0.3s;
        }

        .widget-item:hover {
            transform: scale(1.1);
            background-color: var(--light-bg);
        }

        .widget-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
            text-align: center;
            width: 140px;
        }

        .widget-item:hover .widget-popover {
            opacity: 1;
            pointer-events: auto;
        }

        .widget-popover img {
            width: 110px;
            height: 110px;
            object-fit: cover;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .solutions-grid, .case-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #fff;
                border-bottom: 1px solid var(--border);
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid, .training-grid, .contact-wrapper {
                grid-template-columns: 1fr;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
            }
            .timeline-item::after {
                left: 12px;
                right: auto;
            }
            .left-timeline {
                text-align: left;
            }
            .left-timeline .timeline-content, .right-timeline .timeline-content {
                width: 100%;
            }
            .troubleshoot-steps {
                grid-template-columns: 1fr;
            }
            .lexicon-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .stats-grid, .services-grid, .solutions-grid, .case-grid, .reviews-grid, .news-grid, .pricing-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .summary-val {
                font-size: 2.2rem;
            }
        }