/* 基础重置 */
        :root {
            --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #06b6d4 50%, #ec4899 100%);
            --rainbow-glow: 0 8px 32px rgba(99, 102, 241, 0.15);
            --text-dark: #1e293b;
            --text-muted: #64748b;
            --bg-light: #f8fafc;
            --card-bg: #ffffff;
            --border-color: #e2e8f0;
            --accent-pink: #ec4899;
            --accent-cyan: #06b6d4;
            --accent-indigo: #4f46e5;
        }
        
        * {
            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;
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        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 {
            padding: 80px 0;
        }

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

        /* 彩虹渐变边框和文字效果 */
        .rainbow-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .rainbow-btn {
            background: var(--primary-gradient);
            color: #ffffff !important;
            border: none;
            padding: 12px 30px;
            border-radius: 99px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .rainbow-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
        }

        .section-title {
            font-size: 2.2rem;
            margin-bottom: 15px;
            font-weight: 700;
            position: relative;
            display: inline-block;
        }

        .section-subtitle {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 50px auto;
            font-size: 1.1rem;
        }

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

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

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

        .ai-page-logo {
            max-height: 40px;
            width: auto;
        }

        .brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-link:hover {
            color: var(--accent-indigo);
            background-color: rgba(99, 102, 241, 0.05);
        }

        .nav-btn {
            font-size: 0.9rem;
            padding: 8px 20px;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero-section {
            background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, rgba(6, 182, 212, 0.05) 90.1%);
            padding: 100px 0 80px 0;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 35px;
            line-height: 1.7;
        }

        .hero-btns {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-secondary-btn {
            border: 1px solid var(--border-color);
            background: var(--card-bg);
            color: var(--text-dark);
            padding: 12px 30px;
            border-radius: 99px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }

        .hero-secondary-btn:hover {
            border-color: var(--accent-indigo);
            background: rgba(99, 102, 241, 0.02);
            color: var(--accent-indigo);
        }

        /* 首屏右侧创意区域 - 数据指标卡片与特色展示代替图片 */
        .hero-interactive-panel {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 24px;
            padding: 30px;
            box-shadow: var(--rainbow-glow);
            position: relative;
        }

        .badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .badge-item {
            background: rgba(99, 102, 241, 0.08);
            color: var(--accent-indigo);
            padding: 4px 12px;
            border-radius: 99px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(99, 102, 241, 0.15);
        }

        .metric-card-group {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .metric-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            transition: transform 0.3s;
        }

        .metric-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-cyan);
        }

        .metric-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-indigo);
            margin-bottom: 5px;
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 关于我们 & 平台介绍 */
        .about-section {
            background-color: var(--card-bg);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text p {
            margin-bottom: 20px;
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        .model-list-wrap {
            background: var(--bg-light);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 15px;
        }

        .model-tag {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 5px 12px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }

        /* 全平台AIGC服务 */
        .services-section {
            background-color: var(--bg-light);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--rainbow-glow);
            border-color: var(--accent-pink);
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            font-weight: 700;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        /* 一站式AIGC制作 - 核心场景 */
        .production-section {
            background-color: var(--card-bg);
        }

        .production-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .scene-card {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            transition: all 0.3s;
        }

        .scene-card:hover {
            border-color: var(--accent-cyan);
            background: #ffffff;
            box-shadow: 0 10px 25px rgba(6, 182, 212, 0.1);
        }

        .scene-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .scene-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 全行业解决方案 */
        .solutions-section {
            background-color: var(--bg-light);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .solution-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 15px;
            display: flex;
            gap: 15px;
            align-items: flex-start;
            transition: border 0.3s;
        }

        .solution-item:hover {
            border-color: var(--accent-indigo);
        }

        .solution-item-icon {
            font-size: 1.3rem;
            background: rgba(99, 102, 241, 0.1);
            color: var(--accent-indigo);
            padding: 6px;
            border-radius: 8px;
            line-height: 1;
        }

        .solution-item-title {
            font-weight: 700;
            margin-bottom: 5px;
        }

        .solution-item-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 统一内容区容器，包含宣传图 */
        .solution-banner-container {
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--rainbow-glow);
        }

        .ai-page-image {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
        }

        /* 标准化AIGC流程 与 全国服务网络 */
        .process-section {
            background-color: var(--card-bg);
        }

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

        .timeline-step {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: -44px auto 20px auto;
            font-weight: 700;
            border: 4px solid #ffffff;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }

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

        .network-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .network-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 16px;
            text-align: center;
        }

        .network-card h4 {
            margin-bottom: 8px;
            font-weight: 700;
        }

        /* 技术标准 */
        .standards-section {
            background-color: var(--card-bg);
        }

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

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

        .standard-card:hover {
            box-shadow: var(--rainbow-glow);
            border-color: var(--accent-indigo);
            background: #ffffff;
        }

        /* 客户案例中心 */
        .cases-section {
            background-color: var(--bg-light);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            overflow: hidden;
            transition: transform 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--rainbow-glow);
        }

        .case-img-container {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #e2e8f0;
        }

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            color: var(--accent-indigo);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .case-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 对比评测 - 突出 9.9 分，五星 */
        .evaluation-section {
            background-color: var(--card-bg);
        }

        .evaluation-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .score-card {
            background: var(--primary-gradient);
            color: #ffffff;
            border-radius: 24px;
            padding: 40px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
        }

        .score-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .score-num {
            font-size: 5rem;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 10px;
        }

        .stars {
            font-size: 1.8rem;
            margin-bottom: 15px;
            letter-spacing: 4px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            background: var(--card-bg);
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 500px;
        }

        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }

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

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

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

        .status-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 99px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .status-badge.yes {
            background-color: rgba(16, 185, 129, 0.1);
            color: #10b981;
        }

        .status-badge.no {
            background-color: rgba(239, 68, 68, 0.1);
            color: #ef4444;
        }

        /* Token比价参考 */
        .token-price-section {
            background-color: var(--bg-light);
        }

        /* 职业技术培训 & 人工智能培训 */
        .training-section {
            background-color: var(--card-bg);
        }

        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .certificate-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
        }

        .cert-card {
            border: 1px solid var(--border-color);
            background: var(--bg-light);
            padding: 20px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .cert-icon {
            font-size: 1.8rem;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .cert-info h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 2px;
        }

        .cert-info p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 智能需求匹配 + 联系我们 + 加盟代理 */
        .match-contact-section {
            background: radial-gradient(circle at 90% 10%, rgba(236, 72, 153, 0.03) 0%, rgba(99, 102, 241, 0.03) 100%), var(--bg-light);
            border-top: 1px solid var(--border-color);
        }

        .match-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .contact-card-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.01);
        }

        .agent-benefit-tag {
            display: inline-block;
            background: linear-gradient(90deg, #ec4899, #f43f5e);
            color: #ffffff;
            font-size: 0.8rem;
            padding: 3px 10px;
            border-radius: 6px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .kefu-qrcode-container {
            margin-top: 20px;
            text-align: center;
            border-top: 1px dashed var(--border-color);
            padding-top: 20px;
        }

        .kefu-qrcode-container img {
            width: 150px;
            height: 150px;
            margin: 0 auto 10px auto;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 5px;
            background: #fff;
        }

        .kefu-qrcode-container p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 表单样式 */
        .form-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--rainbow-glow);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 0.95rem;
            background-color: var(--bg-light);
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent-indigo);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

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

        /* FAQ折叠面板 & 常见问题自助排查 & AI术语百科 */
        .faq-section {
            background-color: var(--card-bg);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: flex-start;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
            background: var(--card-bg);
            transition: border 0.3s;
        }

        .faq-item.active {
            border-color: var(--accent-indigo);
        }

        .faq-header {
            padding: 18px 24px;
            background: var(--bg-light);
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background 0.3s;
        }

        .faq-header:hover {
            background: #f1f5f9;
        }

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

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

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            border-top: 0 solid var(--border-color);
        }

        .faq-item.active .faq-body {
            border-top-width: 1px;
        }

        .faq-content {
            padding: 20px 24px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 客户评论卡片 (6条) */
        .reviews-section {
            background-color: var(--bg-light);
        }

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

        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform 0.3s;
        }

        .review-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.03);
        }

        .review-text {
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            position: relative;
        }

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

        .avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .user-details h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }

        .user-details p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 行业资讯 / 知识库 */
        .news-section {
            background-color: var(--card-bg);
        }

        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .article-card {
            border: 1px solid var(--border-color);
            background: var(--bg-light);
            border-radius: 12px;
            padding: 20px;
            transition: all 0.3s;
        }

        .article-card:hover {
            background: #ffffff;
            border-color: var(--accent-indigo);
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }

        .article-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .article-card a {
            color: var(--accent-indigo);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-card a:hover {
            color: var(--accent-pink);
        }

        /* 底部信息区 */
        footer {
            background-color: #0f172a;
            color: #e2e8f0;
            padding: 60px 0 30px 0;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr repeat(3, 0.8fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 15px;
        }

        .footer-brand p {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .footer-links h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }

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

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

        .footer-links ul li a {
            color: #94a3b8;
            font-size: 0.9rem;
        }

        .footer-links ul li a:hover {
            color: #ffffff;
        }

        .footer-contact-list li {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .friend-links-area {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            margin-bottom: 20px;
        }

        .friend-links-title {
            color: #ffffff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

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

        .friend-links a {
            color: #94a3b8;
            font-size: 0.85rem;
        }

        .friend-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* 侧边悬浮浮窗 */
        .floating-contact {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .floating-item {
            width: 50px;
            height: 50px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            cursor: pointer;
            position: relative;
            transition: all 0.3s;
        }

        .floating-item:hover {
            transform: translateY(-2px);
            background: var(--primary-gradient);
            color: #ffffff;
            border-color: transparent;
        }

        .floating-item .popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            width: 180px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            color: var(--text-dark);
            text-align: center;
        }

        .floating-item:hover .popover {
            opacity: 1;
            visibility: visible;
        }

        .floating-item .popover img {
            width: 120px;
            height: 120px;
            margin: 0 auto 8px auto;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .about-grid, .solutions-grid, .training-grid, .match-grid, .faq-grid, .evaluation-layout {
                grid-template-columns: 1fr;
            }
            .timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-step {
                margin-top: 30px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .reviews-grid, .cases-grid, .standards-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .timeline {
                grid-template-columns: 1fr;
            }
        }