:root {
            --primary: #FF6A00;
            --primary-hover: #E25C00;
            --primary-light: #FFF0E6;
            --secondary: #FF4500;
            --dark: #1A1D20;
            --dark-gray: #333333;
            --light-gray: #F8F9FA;
            --border-color: #E9ECEF;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
            background-color: #FFFFFF;
            color: var(--dark-gray);
            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: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

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

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

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

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--dark);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            text-decoration: none;
            color: var(--dark-gray);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #FFFFFF;
            padding: 8px 20px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 106, 0, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 106, 0, 0.3);
        }

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

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

        /* Hero 首屏 (无图片) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 80px;
            background: radial-gradient(circle at 90% 10%, var(--primary-light) 0%, #FFFFFF 60%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 106, 0, 0.15);
        }

        .hero-title h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-title span {
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: #666666;
            max-width: 800px;
            margin: 0 auto 35px auto;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 8px 25px rgba(255, 106, 0, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(255, 106, 0, 0.35);
        }

        .btn-secondary {
            background-color: #FFFFFF;
            color: var(--dark);
            border: 1px solid var(--border-color);
            padding: 14px 32px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background-color: var(--light-gray);
            border-color: #CCCCCC;
        }

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

        .stat-card {
            background-color: #FFFFFF;
            padding: 24px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: #777777;
            font-weight: 500;
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
        }

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

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 10px auto 0 auto;
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1rem;
            color: #666666;
        }

        /* 关于我们 / 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-content p {
            margin-bottom: 20px;
            color: #555555;
            font-size: 1rem;
        }

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

        .about-feat-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .about-feat-item span {
            color: var(--primary);
            font-size: 1.2rem;
            line-height: 1;
        }

        .about-feat-item div h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .about-feat-item div p {
            font-size: 0.85rem;
            color: #777777;
            margin: 0;
        }

        .about-card-box {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 16px;
            padding: 40px;
            color: #FFFFFF;
            box-shadow: 0 15px 35px rgba(255, 69, 0, 0.2);
        }

        .about-card-box h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            font-weight: 700;
        }

        .about-card-box p {
            font-size: 0.95rem;
            opacity: 0.9;
            margin-bottom: 25px;
        }

        .about-card-box .btn-white {
            display: inline-block;
            background-color: #FFFFFF;
            color: var(--primary);
            padding: 10px 24px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 700;
            transition: var(--transition);
        }

        .about-card-box .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
        }

        /* 全平台AIGC服务 / 模型聚合 */
        .model-tags-container {
            background-color: #FFFFFF;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }

        .model-tags-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-align: center;
            color: var(--dark);
        }

        .model-tags-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .model-tag {
            background-color: var(--light-gray);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--dark-gray);
            transition: var(--transition);
            cursor: default;
        }

        .model-tag:hover {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* 一站式AIGC制作 & 解决方案 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: #FFFFFF;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 15px 35px rgba(0,0,0,0.08);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .service-card p {
            font-size: 0.9rem;
            color: #666666;
            margin-bottom: 15px;
        }

        .service-list {
            list-style: none;
            padding-left: 0;
        }

        .service-list li {
            font-size: 0.85rem;
            color: #555555;
            margin-bottom: 8px;
            position: relative;
            padding-left: 15px;
        }

        .service-list li::before {
            content: '✓';
            color: var(--primary);
            position: absolute;
            left: 0;
            font-weight: bold;
        }

        /* 标准化AIGC流程 / 包含素材展示 */
        .flow-section-content {
            display: grid;
            grid-template-columns: 1.12fr 0.88fr;
            gap: 45px;
            align-items: center;
        }

        .timeline {
            position: relative;
            padding-left: 30px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 5px;
            bottom: 5px;
            width: 2px;
            background-color: var(--border-color);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -30px;
            top: 5px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background-color: #FFFFFF;
            border: 4px solid var(--primary);
            transition: var(--transition);
        }

        .timeline-item:hover .timeline-dot {
            background-color: var(--primary);
        }

        .timeline-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .timeline-content p {
            font-size: 0.88rem;
            color: #666666;
        }

        .flow-media-display {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .flow-media-box {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            background-color: #FFFFFF;
        }

        .flow-media-box img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            transition: var(--transition);
        }

        .flow-media-box:hover img {
            transform: scale(1.03);
        }

        .flow-media-info {
            padding: 15px 20px;
        }

        .flow-media-info h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .flow-media-info p {
            font-size: 0.8rem;
            color: #888888;
        }

        /* 对比评测 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background-color: #FFFFFF;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

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

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

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

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

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

        .score-badge {
            background-color: #FFF0E6;
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* 职业技术培训 / 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            padding: 20px 15px;
            border-radius: 10px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }

        .training-icon {
            width: 45px;
            height: 45px;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px auto;
            font-weight: 700;
        }

        .training-card h3 {
            font-size: 0.95rem;
            color: var(--dark);
            margin-bottom: 8px;
            font-weight: 700;
        }

        .training-card p {
            font-size: 0.8rem;
            color: #777777;
        }

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .case-card {
            background-color: #FFFFFF;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.08);
        }

        .case-img-box {
            width: 100%;
            height: 180px;
            background-color: var(--light-gray);
            overflow: hidden;
            position: relative;
        }

        .case-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--primary);
            background-color: var(--primary-light);
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .case-info h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .case-info p {
            font-size: 0.8rem;
            color: #777777;
        }

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

        .comment-card {
            background-color: #FFFFFF;
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .comment-card::before {
            content: '“';
            position: absolute;
            top: 15px;
            right: 25px;
            font-size: 4rem;
            color: rgba(255, 106, 0, 0.08);
            font-family: Georgia, serif;
            line-height: 1;
        }

        .comment-text {
            font-size: 0.9rem;
            color: #555555;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

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

        .comment-avatar {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .comment-user-info h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dark);
        }

        .comment-user-info p {
            font-size: 0.75rem;
            color: #888888;
        }

        /* 常见用户问题 FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            background-color: #FFFFFF;
            transition: var(--transition);
        }

        .faq-header:hover {
            background-color: var(--primary-light);
        }

        .faq-question {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--dark);
        }

        .faq-icon {
            font-size: 1.2rem;
            font-weight: 300;
            color: #999999;
            transition: transform 0.2s ease;
        }

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

        .faq-content {
            padding: 18px 24px;
            font-size: 0.9rem;
            color: #555555;
            background-color: #FFFFFF;
        }

        .faq-item.active .faq-body {
            max-height: 250px;
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        /* AI术语百科 & 自助排查 */
        .百科排查-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .helper-card {
            background-color: #FFFFFF;
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

        .helper-card h3 {
            font-size: 1.25rem;
            margin-bottom: 20px;
            color: var(--dark);
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }

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

        .helper-list li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--border-color);
        }

        .helper-list li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .helper-list h4 {
            font-size: 0.95rem;
            color: var(--dark-gray);
            margin-bottom: 4px;
            font-weight: 700;
        }

        .helper-list p {
            font-size: 0.85rem;
            color: #777777;
        }

        /* 行业资讯 / 知识库 / 文章列表 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .article-card {
            background-color: #FFFFFF;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: var(--transition);
        }

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

        .article-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
        }

        .article-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-link {
            font-size: 0.85rem;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-link:hover {
            color: var(--primary-hover);
        }

        /* 智能需求匹配 / 表单模块 */
        .contact-section-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 50px;
            align-items: flex-start;
        }

        .contact-info-panel h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .contact-info-panel p {
            color: #666666;
            margin-bottom: 30px;
            font-size: 0.95rem;
        }

        .contact-channels {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 35px;
        }

        .channel-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .channel-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .channel-details h5 {
            font-size: 0.85rem;
            color: #888888;
        }

        .channel-details p {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dark);
            margin: 0;
        }

        .contact-form-panel {
            background-color: #FFFFFF;
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

        .form-title {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 25px;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 10px;
        }

        .form-group-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 15px;
        }

        .form-group {
            margin-bottom: 15px;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark-gray);
        }

        .form-control {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.9rem;
            color: var(--dark-gray);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.1);
        }

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

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #FFFFFF;
            border: none;
            padding: 12px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-submit:hover {
            opacity: 0.95;
            transform: translateY(-1px);
        }

        /* 尾部区域 & 页脚 */
        footer {
            background-color: var(--dark);
            color: #FFFFFF;
            padding: 60px 0 20px 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: #FFFFFF;
            font-weight: 700;
        }

        .footer-brand p {
            color: #CCCCCC;
            margin-bottom: 15px;
            font-size: 0.85rem;
        }

        .footer-links h4, .footer-contact h4 {
            font-size: 1rem;
            margin-bottom: 15px;
            color: #FFFFFF;
            font-weight: 700;
        }

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

        .footer-links ul li {
            margin-bottom: 8px;
        }

        .footer-links ul li a {
            color: #CCCCCC;
            text-decoration: none;
            transition: var(--transition);
            font-size: 0.85rem;
        }

        .footer-links ul li a:hover {
            color: var(--primary);
        }

        .footer-contact-details {
            color: #CCCCCC;
            font-size: 0.85rem;
        }

        .footer-contact-details p {
            margin-bottom: 10px;
        }

        .footer-kefu-area {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-top: 15px;
        }

        .footer-qr {
            width: 70px;
            height: 70px;
            border-radius: 4px;
            background-color: #FFFFFF;
            padding: 2px;
        }

        .footer-qr img {
            width: 100%;
            height: 100%;
            display: block;
        }

        .footer-qr-info p {
            margin: 0;
            font-size: 0.8rem;
            color: #BBBBBB;
        }

        .footer-friends {
            border-top: 1px solid #333333;
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
            font-size: 0.8rem;
        }

        .footer-friends span {
            color: #888888;
        }

        .footer-friends a {
            color: #BBBBBB;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-friends a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid #333333;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #888888;
        }

        /* 悬浮客服面板 */
        .float-service {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            background-color: #FFFFFF;
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary);
            color: #FFFFFF;
        }

        .float-btn-icon {
            font-size: 1.2rem;
            font-weight: bold;
            color: var(--primary);
        }

        .float-btn:hover .float-btn-icon {
            color: #FFFFFF;
        }

        .float-qr-hover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            width: 150px;
            text-align: center;
        }

        .float-qr-hover img {
            width: 100%;
            height: auto;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .float-qr-hover p {
            font-size: 0.75rem;
            color: var(--dark-gray);
            margin: 0;
            line-height: 1.3;
        }

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

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .articles-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .about-grid, .flow-section-content, .contact-section-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #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: flex;
            }

            .hero-title h1 {
                font-size: 2.2rem;
            }

            .hero-btns {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }

            .btn-primary, .btn-secondary {
                width: 100%;
                max-width: 300px;
            }

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

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

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

            .form-group-row {
                grid-template-columns: 1fr;
            }

            .百科排查-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .stats-grid, .service-grid, .case-grid, .comments-grid, .articles-grid, .training-grid {
                grid-template-columns: 1fr;
            }
        }