/* 变量设置 - 宝蓝明艳风 */
        :root {
            --primary-color: #0b57d0;       /* 核心宝蓝 */
            --primary-light: #e8f0fe;      /* 浅宝蓝背景 */
            --accent-color: #ff9c08;       /* 鲜明活力橙 */
            --accent-hover: #e08200;       /* 活力橙悬停 */
            --dark-text: #1f2937;          /* 深灰正文 */
            --light-text: #6b7280;         /* 浅灰描述 */
            --bg-base: #ffffff;            /* 纯白底色 */
            --bg-offset: #f8fafc;          /* 偏灰底色 */
            --border-color: #e2e8f0;       /* 边框色 */
            --success-color: #10b981;      /* 成功绿 */
            --container-max: 1200px;
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 全局重置 */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
        }

        body {
            background-color: var(--bg-base);
            overflow-x: hidden;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

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

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

        /* 按钮通用样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: #ffffff;
        }

        .btn-primary:hover {
            background-color: #083c90;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(11, 87, 208, 0.2);
        }

        .btn-accent {
            background-color: var(--accent-color);
            color: #ffffff;
        }

        .btn-accent:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 156, 8, 0.2);
        }

        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }

        .btn-outline:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* 标题排版 */
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark-text);
        }

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

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

        .section-header h2 {
            font-size: 2.2rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }

        .section-header p {
            color: var(--light-text);
            font-size: 1.1rem;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }

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

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

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

        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary-color);
        }

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

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--dark-text);
            padding: 8px 12px;
            border-radius: 4px;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary-color);
            background-color: var(--primary-light);
        }

        .nav-action {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .mobile-menu-btn span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--primary-color);
            border-radius: 2px;
            transition: var(--transition-smooth);
        }

        /* 首屏 Hero (无图，纯CSS与版式) */
        .hero {
            background: linear-gradient(135deg, #082f75 0%, #0052d9 50%, #00c2ff 100%);
            color: #ffffff;
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 80%);
            pointer-events: none;
        }

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

        .hero-tag {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.2);
            color: #ffffff;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 25px;
            letter-spacing: 1px;
            backdrop-filter: blur(5px);
        }

        .hero h1 {
            color: #ffffff;
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 25px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .hero-desc {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 40px;
            max-width: 750px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

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

        .hero-btn-accent {
            background-color: var(--accent-color);
            color: #ffffff;
            font-size: 1.1rem;
            padding: 14px 36px;
            box-shadow: 0 4px 15px rgba(255, 156, 8, 0.4);
        }

        .hero-btn-accent:hover {
            background-color: var(--accent-hover);
            transform: translateY(-3px);
        }

        .hero-btn-outline {
            border: 2px solid #ffffff;
            color: #ffffff;
            font-size: 1.1rem;
            padding: 14px 36px;
        }

        .hero-btn-outline:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
        }

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

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .stat-card {
            background-color: var(--bg-base);
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }

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

        .stat-label {
            font-size: 0.95rem;
            color: var(--light-text);
            font-weight: 600;
        }

        /* 关于我们 */
        .about-section {
            background-color: var(--bg-base);
        }

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

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--primary-color);
        }

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

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

        .about-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            color: var(--dark-text);
        }

        .about-feature-item svg {
            width: 20px;
            height: 20px;
            fill: var(--success-color);
        }

        .about-media img {
            border-radius: 16px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        }

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

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

        .service-card {
            background-color: var(--bg-base);
            padding: 35px 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08);
            border-color: var(--primary-color);
        }

        .service-icon-box {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            color: var(--primary-color);
        }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

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

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

        .model-tag {
            background-color: var(--bg-offset);
            color: var(--primary-color);
            font-size: 0.8rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
        }

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

        .production-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .production-card {
            background-color: var(--bg-offset);
            padding: 25px;
            border-radius: 12px;
            border-top: 4px solid var(--primary-color);
            transition: var(--transition-smooth);
        }

        .production-card:hover {
            transform: translateY(-5px);
            background-color: var(--bg-base);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
        }

        .production-card h4 {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .production-card p {
            color: var(--light-text);
            font-size: 0.9rem;
        }

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

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

        .solution-card {
            background-color: var(--bg-base);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--border-color);
        }

        .solution-body {
            padding: 30px;
        }

        .solution-body h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }

        .solution-body p {
            color: var(--light-text);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

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

        .solution-list li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--dark-text);
        }

        .solution-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--success-color);
            font-weight: bold;
        }

        /* 全国服务网络 */
        .network-section {
            background-color: var(--bg-base);
        }

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

        .network-map-desc h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--primary-color);
        }

        .network-map-desc p {
            color: var(--light-text);
            margin-bottom: 30px;
        }

        .network-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .network-item {
            background-color: var(--bg-offset);
            padding: 15px;
            border-radius: 8px;
            border-left: 4px solid var(--primary-color);
            font-weight: 600;
        }

        .network-visual {
            background-color: var(--primary-light);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
        }

        .network-visual h4 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        .network-visual p {
            font-size: 0.95rem;
            color: var(--dark-text);
            line-height: 1.8;
        }

        /* 标准化AIGC流程 */
        .workflow-section {
            background-color: var(--bg-offset);
        }

        .workflow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            position: relative;
        }

        .workflow-step {
            background-color: var(--bg-base);
            padding: 30px 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            position: relative;
            text-align: center;
        }

        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 20px;
        }

        .workflow-step h4 {
            font-size: 1.15rem;
            margin-bottom: 12px;
        }

        .workflow-step p {
            color: var(--light-text);
            font-size: 0.9rem;
        }

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

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

        .standard-card {
            padding: 30px;
            background-color: var(--bg-offset);
            border-radius: 12px;
            border-top: 4px solid var(--accent-color);
        }

        .standard-card h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: var(--dark-text);
        }

        .standard-card p {
            color: var(--light-text);
            font-size: 0.95rem;
        }

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

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

        .case-card {
            background-color: var(--bg-base);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
        }

        .case-img-container {
            position: relative;
            height: 200px;
            overflow: hidden;
            background-color: #ddd;
        }

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

        .case-body {
            padding: 25px;
        }

        .case-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-color);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 15px;
        }

        .case-body h4 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .case-body p {
            color: var(--light-text);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        /* 对比评测 */
        .comparison-section {
            background-color: var(--bg-base);
        }

        .rating-box {
            text-align: center;
            margin-bottom: 40px;
            background-color: var(--primary-light);
            padding: 30px;
            border-radius: 16px;
            border: 1px dashed var(--primary-color);
        }

        .rating-score {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary-color);
        }

        .rating-stars {
            color: var(--accent-color);
            font-size: 1.8rem;
            margin: 10px 0;
        }

        .table-responsive {
            overflow-x: auto;
        }

        .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);
        }

        .comparison-table th {
            background-color: var(--bg-offset);
            color: var(--dark-text);
            font-weight: 700;
        }

        .comparison-table tr:hover {
            background-color: var(--primary-light);
        }

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

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

        .token-card {
            background-color: var(--bg-base);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

        /* 职业与人工智能培训 */
        .training-section {
            background-color: var(--bg-base);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background-color: var(--bg-offset);
            padding: 25px 20px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

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

        .training-card h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--primary-color);
        }

        .training-card p {
            color: var(--light-text);
            font-size: 0.85rem;
        }

        /* FAQ折叠面板 */
        .faq-section {
            background-color: var(--bg-offset);
        }

        .faq-container {
            max-width: 850px;
            margin: 0 auto;
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--bg-base);
        }

        .faq-answer-content {
            padding: 0 20px 20px;
            color: var(--light-text);
            font-size: 0.95rem;
        }

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

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

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* 常见问题自助排查与术语百科 */
        .trouble-section {
            background-color: var(--bg-base);
        }

        .trouble-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .trouble-box h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--primary-color);
            border-left: 4px solid var(--accent-color);
            padding-left: 10px;
        }

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

        .trouble-list li, .glossary-list li {
            background-color: var(--bg-offset);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 12px;
        }

        .trouble-list strong, .glossary-list strong {
            color: var(--dark-text);
            display: block;
            margin-bottom: 5px;
        }

        .trouble-list p, .glossary-list p {
            font-size: 0.9rem;
            color: var(--light-text);
        }

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

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

        .review-card {
            background-color: var(--bg-base);
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--border-color);
        }

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

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .author-info h4 {
            font-size: 1rem;
            margin-bottom: 2px;
        }

        .author-info p {
            font-size: 0.8rem;
            color: var(--light-text);
        }

        .review-card p {
            font-size: 0.95rem;
            color: var(--dark-text);
            line-height: 1.7;
        }

        /* 知识库/文章列表 */
        .articles-section {
            background-color: var(--bg-base);
        }

        .articles-list {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .article-card {
            background-color: var(--bg-offset);
            border-radius: 8px;
            padding: 20px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 180px;
        }

        .article-card h4 {
            font-size: 1rem;
            color: var(--dark-text);
            line-height: 1.4;
            margin-bottom: 15px;
        }

        .article-link {
            font-size: 0.85rem;
            color: var(--primary-color);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 需求匹配表单 & 联系我们 & 加盟代理 */
        .contact-section {
            background-color: var(--bg-offset);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-card {
            background-color: var(--bg-base);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

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

        .form-group label {
            display: block;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dark-text);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            color: var(--dark-text);
            transition: var(--transition-smooth);
            background-color: var(--bg-offset);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px rgba(11, 87, 208, 0.1);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        .contact-info-card {
            background-color: var(--primary-color);
            color: #ffffff;
            padding: 40px;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-card h3 {
            color: #ffffff;
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

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

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

        .contact-detail-item svg {
            width: 24px;
            height: 24px;
            fill: #ffffff;
        }

        .contact-qr-container {
            text-align: center;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 20px;
            border-radius: 12px;
            backdrop-filter: blur(5px);
        }

        .contact-qr-container img {
            width: 120px;
            height: 120px;
            margin: 0 auto 10px;
            border-radius: 8px;
        }

        .contact-qr-container p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
        }

        /* 加盟代理板块 */
        .agent-section {
            background-color: var(--bg-base);
            text-align: center;
        }

        .agent-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .agent-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin: 40px 0;
        }

        .agent-feature-card {
            background-color: var(--bg-offset);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .agent-feature-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--accent-color);
        }

        /* 页脚 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: #ffffff;
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .footer-brand p {
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .footer-links h5 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

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

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

        .footer-links ul li a.ai-page-home-link {
            color: var(--accent-color);
            font-weight: 700;
        }

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

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

        .friend-links a {
            color: #64748b;
            font-size: 0.8rem;
        }

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

        /* 悬浮客服面板 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-color);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
            transition: var(--transition-smooth);
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--accent-color);
            transform: scale(1.1);
        }

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

        .float-panel {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: #ffffff;
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
            display: none;
            width: 200px;
            text-align: center;
            border: 1px solid var(--border-color);
            color: var(--dark-text);
        }

        .float-panel img {
            width: 120px;
            height: 120px;
            margin: 0 auto 10px;
            border-radius: 4px;
        }

        .float-panel p {
            font-size: 0.8rem;
            color: var(--light-text);
            margin-bottom: 5px;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .production-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .articles-list {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
                border-top: 1px solid var(--border-color);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .about-grid, .network-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .services-grid, .production-grid, .solutions-grid, .cases-grid, .reviews-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .articles-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .workflow-grid {
                grid-template-columns: 1fr;
            }
            .trouble-grid {
                grid-template-columns: 1fr;
            }
        }