/* 变量定义 - 宝蓝明艳风 */
        :root {
            --primary: #1d4ed8;       /* 宝蓝色 */
            --primary-hover: #1e40af;
            --secondary: #f97316;     /* 活力橙（明艳点缀） */
            --secondary-hover: #ea580c;
            --dark: #0f172a;          /* 深灰/墨黑（正文） */
            --light: #f8fafc;         /* 浅色底色 */
            --white: #ffffff;
            --gray: #64748b;
            --border: #e2e8f0;
            --accent-bg: #eff6ff;     /* 浅蓝背景 */
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        /* 基础样式复位 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-family: var(--font);
            color: var(--dark);
            background-color: var(--light);
        }
        body {
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        /* 通用容器宽度 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 区块公共样式 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-light {
            background-color: var(--white);
        }
        .section-gray {
            background-color: var(--light);
        }
        .section-accent {
            background-color: var(--accent-bg);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 700;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-header p {
            color: var(--gray);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 25px;
            align-items: center;
        }
        .nav-item {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--dark);
        }
        .nav-item:hover {
            color: var(--primary);
        }
        .nav-btn {
            background-color: var(--primary);
            color: var(--white) !important;
            padding: 8px 18px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .nav-btn:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero 首屏 - 无任何图片 */
        .hero {
            background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-badge {
            background-color: rgba(29, 78, 216, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
            border: 1px solid rgba(29, 78, 216, 0.15);
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }
        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray);
            max-width: 800px;
            margin: 0 auto 35px;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(29, 78, 216, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(29, 78, 216, 0.5);
        }
        .btn-secondary {
            background-color: var(--secondary);
            color: var(--white);
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background-color: var(--secondary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
        }
        .btn-outline {
            background-color: var(--white);
            color: var(--primary);
            border: 1.5px solid var(--primary);
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background-color: var(--accent-bg);
            transform: translateY(-2px);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .stat-card {
            background: var(--white);
            padding: 25px 20px;
            border-radius: 12px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 5px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
            font-weight: 500;
        }

        /* 平台介绍 & 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 700;
        }
        .about-text p {
            color: var(--gray);
            margin-bottom: 20px;
            line-height: 1.8;
        }
        .about-features {
            list-style: none;
        }
        .about-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-weight: 500;
            color: var(--dark);
        }
        .about-features li::before {
            content: '✓';
            color: var(--secondary);
            font-weight: bold;
            font-size: 1.1rem;
        }
        .about-side {
            background-color: var(--accent-bg);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border);
        }
        .about-side-box {
            background: var(--white);
            border-radius: 12px;
            padding: 25px;
            box-shadow: var(--shadow-md);
            margin-bottom: 20px;
        }
        .about-side-box:last-child {
            margin-bottom: 0;
        }
        .about-side-box h4 {
            color: var(--primary);
            font-size: 1.15rem;
            margin-bottom: 10px;
            font-weight: 700;
        }

        /* 全平台AIGC服务 + 标签云 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }
        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--accent-bg);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            font-weight: bold;
        }
        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            font-weight: 700;
            color: var(--dark);
        }
        .service-card p {
            color: var(--gray);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .tag-cloud-wrap {
            margin-top: 50px;
            background-color: var(--white);
            padding: 30px;
            border-radius: 15px;
            border: 1px solid var(--border);
            text-align: center;
        }
        .tag-cloud-wrap h4 {
            margin-bottom: 20px;
            font-weight: 700;
            color: var(--dark);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-item {
            background-color: var(--light);
            color: var(--dark);
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .tag-item:hover {
            background-color: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        /* 一站式AIGC制作 & 解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }
        .sol-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .sol-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .sol-content {
            padding: 30px;
        }
        .sol-tag {
            background-color: rgba(249, 115, 22, 0.1);
            color: var(--secondary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 15px;
        }
        .sol-content h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .sol-content p {
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .sol-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            list-style: none;
        }
        .sol-features li {
            font-size: 0.85rem;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sol-features li::before {
            content: '●';
            color: var(--primary);
            font-size: 0.6rem;
        }

        /* 全国服务网络 */
        .network-section {
            background: radial-gradient(circle at 10% 20%, #eff6ff 0%, #ffffff 90%);
        }
        .network-wrap {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 50px;
            align-items: center;
        }
        .network-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .network-info p {
            color: var(--gray);
            margin-bottom: 30px;
        }
        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .network-item {
            background: var(--white);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .network-item h4 {
            color: var(--primary);
            margin-bottom: 5px;
            font-size: 1.05rem;
        }
        .network-item p {
            font-size: 0.85rem;
            margin-bottom: 0;
        }
        .network-map-placeholder {
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 40px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .network-map-placeholder h4 {
            color: var(--primary);
            margin-bottom: 15px;
            font-weight: 700;
        }
        .region-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }

        /* 标准化AIGC流程 (时间线/流程步骤) */
        .timeline {
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
            padding: 40px 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--border);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--white);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }
        .left {
            left: 0;
        }
        .right {
            left: 50%;
        }
        .right::after {
            left: -10px;
        }
        .timeline-content {
            padding: 20px 30px;
            background-color: var(--white);
            position: relative;
            border-radius: 8px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }
        .timeline-content h3 {
            font-size: 1.15rem;
            color: var(--primary);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .timeline-content p {
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 0;
        }

        /* 技术标准 */
        .tech-standards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .tech-card {
            background-color: var(--white);
            padding: 25px;
            border-radius: 8px;
            border-top: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .tech-card h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .tech-card p {
            font-size: 0.85rem;
            color: var(--gray);
            margin-bottom: 0;
        }

        /* 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background-color: var(--white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .case-img-wrap {
            position: relative;
            overflow: hidden;
            background-color: #eaeaea;
            aspect-ratio: 16 / 10;
        }
        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .case-card:hover .case-img-wrap img {
            transform: scale(1.05);
        }
        .case-info {
            padding: 20px;
        }
        .case-info h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .case-info p {
            font-size: 0.85rem;
            color: var(--gray);
            margin-bottom: 0;
        }

        /* 对比评测 - 突出 9.9 分, 五星级 */
        .comparison-wrap {
            max-width: 900px;
            margin: 0 auto;
            background-color: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }
        .comp-header {
            background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
            color: var(--white);
            padding: 40px 30px;
            text-align: center;
        }
        .comp-rating {
            display: inline-flex;
            align-items: center;
            background-color: var(--secondary);
            color: var(--white);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 20px;
            box-shadow: var(--shadow-md);
        }
        .comp-header h3 {
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        .comp-header p {
            opacity: 0.9;
            font-size: 0.95rem;
        }
        .comp-table-wrap {
            overflow-x: auto;
        }
        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }
        .comp-table th, .comp-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
        }
        .comp-table th {
            background-color: var(--light);
            font-weight: 700;
            color: var(--dark);
        }
        .comp-table td:nth-child(2) {
            font-weight: 600;
            color: var(--primary);
        }
        .check-icon {
            color: #10b981;
            font-weight: bold;
        }
        .cross-icon {
            color: #ef4444;
            font-weight: bold;
        }

        /* Token比价参考 & 价格参考 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .price-card {
            background-color: var(--white);
            border-radius: 12px;
            border: 1px solid var(--border);
            padding: 30px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .price-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
        }
        .price-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: var(--secondary);
            color: var(--white);
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 700;
        }
        .price-card h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
        .price-card .cost {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 15px 0;
        }
        .price-card .cost span {
            font-size: 0.9rem;
            color: var(--gray);
            font-weight: 400;
        }
        .price-features {
            list-style: none;
            margin: 20px 0 30px;
            text-align: left;
        }
        .price-features li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 0.85rem;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .price-features li::before {
            content: '•';
            color: var(--primary);
        }

        /* 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .training-card {
            background-color: var(--white);
            border-radius: 10px;
            border: 1px solid var(--border);
            padding: 25px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .training-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .training-card h3 {
            font-size: 1.15rem;
            color: var(--dark);
            margin-bottom: 10px;
            font-weight: 700;
        }
        .training-card p {
            font-size: 0.85rem;
            color: var(--gray);
            margin-bottom: 15px;
        }
        .training-meta {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            background-color: var(--accent-bg);
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-block;
        }

        /* FAQ折叠面板 */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-btn {
            width: 100%;
            padding: 20px;
            background: none;
            text-align: left;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-btn::after {
            content: '+';
            font-size: 1.4rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-item.active .faq-btn::after {
            content: '−';
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--light);
        }
        .faq-content p {
            padding: 20px;
            margin: 0;
            font-size: 0.95rem;
            color: var(--gray);
            line-height: 1.6;
        }

        /* AI术语百科 & 自助排查 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .wiki-box {
            background-color: var(--white);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border);
        }
        .wiki-box h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            color: var(--primary);
            font-weight: 700;
        }
        .wiki-list {
            list-style: none;
        }
        .wiki-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed var(--border);
        }
        .wiki-list li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .wiki-list h4 {
            font-size: 0.95rem;
            margin-bottom: 5px;
            color: var(--dark);
        }
        .wiki-list p {
            font-size: 0.85rem;
            color: var(--gray);
            margin: 0;
        }

        /* 客户评论卡片 (6条) */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .comment-card {
            background-color: var(--white);
            border-radius: 12px;
            border: 1px solid var(--border);
            padding: 25px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .comment-text {
            font-size: 0.9rem;
            color: var(--gray);
            line-height: 1.6;
            margin-bottom: 20px;
            font-style: italic;
        }
        .comment-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border);
            padding-top: 15px;
        }
        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--accent-bg);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.95rem;
        }
        .author-info h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dark);
        }
        .author-info p {
            font-size: 0.75rem;
            color: var(--gray);
        }

        /* 智能需求匹配 + 联系我们 + 加盟代理 (包含表单) */
        .contact-section {
            background-color: var(--white);
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }
        .contact-info-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .contact-info-panel h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .contact-details {
            list-style: none;
            margin: 30px 0;
        }
        .contact-details li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
        .contact-details li span {
            color: var(--primary);
            font-weight: bold;
        }
        .kefu-qrcode-wrap {
            display: flex;
            align-items: center;
            gap: 20px;
            background-color: var(--light);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border);
        }
        .kefu-qrcode-wrap img {
            width: 80px;
            height: 80px;
            border-radius: 4px;
        }
        .kefu-text h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }
        .kefu-text p {
            font-size: 0.8rem;
            color: var(--gray);
        }
        
        /* 表单样式 */
        .contact-form-wrap {
            background-color: var(--light);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background-color: var(--white);
            color: var(--dark);
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }
        .btn-submit {
            width: 100%;
            background-color: var(--primary);
            color: var(--white);
            padding: 14px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(29, 78, 216, 0.2);
        }
        .btn-submit:hover {
            background-color: var(--primary-hover);
        }

        /* 行业资讯 / 知识库 / 文章列表 */
        .articles-wrap {
            background-color: var(--white);
            border-radius: 12px;
            border: 1px solid var(--border);
            padding: 30px;
        }
        .article-list {
            list-style: none;
        }
        .article-list li {
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .article-list li:first-child {
            padding-top: 0;
        }
        .article-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .article-title-wrap {
            flex-grow: 1;
        }
        .article-list a {
            font-weight: 600;
            color: var(--dark);
            font-size: 1.05rem;
        }
        .article-list a:hover {
            color: var(--primary);
        }
        .article-date {
            color: var(--gray);
            font-size: 0.85rem;
            margin-left: 20px;
            white-space: nowrap;
        }

        /* 页脚区域 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            margin-bottom: 40px;
        }
        .footer-brand h4 {
            color: var(--white);
            font-size: 1.3rem;
            margin-bottom: 15px;
            font-weight: 700;
        }
        .footer-brand p {
            line-height: 1.6;
            margin-bottom: 15px;
        }
        .footer-links h4 {
            color: var(--white);
            font-size: 1.05rem;
            margin-bottom: 15px;
            font-weight: 700;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: var(--white);
        }
        
        /* 友情链接 */
        .friend-links-section {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            margin-top: 25px;
        }
        .friend-links-title {
            color: var(--white);
            font-size: 0.95rem;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .friend-links a {
            color: #64748b;
            font-size: 0.85rem;
        }
        .friend-links a:hover {
            color: var(--white);
        }

        /* 版权信息 */
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* 浮动客服入口 */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .widget-item {
            background-color: var(--white);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }
        .widget-item:hover {
            background-color: var(--primary);
            color: var(--white);
        }
        .widget-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 15px;
            box-shadow: var(--shadow-lg);
            display: none;
            width: 180px;
            text-align: center;
        }
        .widget-popover img {
            width: 120px;
            height: 120px;
            margin: 0 auto 8px;
            border-radius: 4px;
        }
        .widget-popover p {
            font-size: 0.75rem;
            color: var(--dark);
            margin: 0;
        }
        .widget-item:hover .widget-popover {
            display: block;
        }

        /* 动画控制 */
        .fade-in-up {
            animation: fadeInUp 0.8s ease forwards;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--white);
                padding: 20px;
                box-shadow: var(--shadow-lg);
                border-top: 1px solid var(--border);
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .about-grid, .network-wrap, .contact-grid {
                grid-template-columns: 1fr;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
            }
            .timeline-item::after {
                left: 10px;
            }
            .right {
                left: 0%;
            }
            .services-grid, .solutions-grid, .cases-grid, .comments-grid, .stats-grid, .price-grid, .training-grid, .wiki-grid, .tech-standards {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }