:root {
            --primary: #6366f1;
            --secondary: #ec4899;
            --accent: #14b8a6;
            --dark: #0f172a;
            --light-bg: #f8fafc;
            --card-bg: #ffffff;
            --text-main: #334155;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --gradient-1: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
            --gradient-2: linear-gradient(135deg, #3b82f6 0%, #14b8a6 100%);
            --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.05);
            --shadow-md: 0 10px 25px -5px rgba(99, 102, 241, 0.1);
            --shadow-lg: 0 20px 40px -10px rgba(99, 102, 241, 0.15);
        }

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

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

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 标题通用样式 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header span {
            display: inline-block;
            padding: 6px 16px;
            background: linear-gradient(90deg, rgba(99,102,241,0.1) 0%, rgba(236,72,153,0.1) 100%);
            color: var(--primary);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .section-header h2 {
            font-size: 32px;
            color: var(--dark);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .section-header p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 16px;
        }

        /* 按钮通用样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            border: none;
        }

        .btn-primary {
            background: var(--gradient-1);
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--dark);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: all 0.3s ease;
        }

        header.scrolled {
            box-shadow: var(--shadow-sm);
        }

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

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

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

        .nav-links a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 14px;
            font-weight: 550;
            transition: color 0.3s;
        }

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

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

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark);
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 90.1%);
            position: relative;
            text-align: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(99,102,241,0.15) 0%, transparent 70%);
            top: -50px;
            left: -50px;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(236,72,153,0.1) 0%, transparent 70%);
            bottom: -100px;
            right: -50px;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 30px;
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }

        .hero-badge strong {
            color: var(--secondary);
            margin: 0 4px;
        }

        .hero-section h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 24px;
        }

        .hero-section h1 span {
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

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

        .stat-card {
            background: var(--card-bg);
            padding: 24px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: transform 0.3s, box-shadow 0.3s;
        }

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

        .stat-val {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        /* 关于我们 & 平台介绍 */
        .about-section {
            padding: 100px 0;
            background: #ffffff;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 28px;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 700;
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .feat-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .feat-item span {
            width: 24px;
            height: 24px;
            background: rgba(99,102,241,0.1);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: bold;
            font-size: 12px;
        }

        .feat-text h4 {
            font-size: 15px;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .feat-text p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        .about-img-box {
            position: relative;
        }

        .about-img-box img {
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            width: 100%;
        }

        /* AIGC服务能力卡片 */
        .services-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

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

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

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--gradient-1);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: rgba(99,102,241,0.3);
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 14px;
            font-weight: 700;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 18px;
        }

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

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

        /* 一站式制作 & 支持大模型 */
        .models-section {
            padding: 100px 0;
            background: #ffffff;
            text-align: center;
        }

        .models-marquee {
            overflow: hidden;
            white-space: nowrap;
            position: relative;
            padding: 20px 0;
            margin-bottom: 30px;
        }

        .models-track {
            display: inline-flex;
            gap: 20px;
            animation: marquee 25s linear infinite;
        }

        .model-badge {
            background: var(--light-bg);
            border: 1px solid var(--border-color);
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            color: var(--dark);
            font-size: 15px;
            transition: all 0.3s;
        }

        .model-badge:hover {
            background: var(--gradient-1);
            color: #ffffff;
            border-color: transparent;
            transform: scale(1.05);
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* 行业解决方案与全国服务网络 */
        .solutions-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .solution-card {
            background: var(--card-bg);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .solution-body {
            padding: 30px;
        }

        .solution-body h3 {
            font-size: 22px;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .solution-body p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 20px;
        }

        .solution-features {
            list-style: none;
            margin-bottom: 24px;
        }

        .solution-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .solution-features li::before {
            content: '✓';
            color: var(--accent);
            font-weight: bold;
        }

        /* 标准化流程 */
        .process-section {
            padding: 100px 0;
            background: #ffffff;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-card {
            text-align: center;
            position: relative;
        }

        .process-num {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--gradient-1);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            margin: 0 auto 20px;
            box-shadow: var(--shadow-md);
        }

        .process-card h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .process-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 对比评测 */
        .compare-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

        .rating-box {
            background: #ffffff;
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-md);
            margin-bottom: 40px;
            text-align: center;
            border: 1px solid var(--border-color);
        }

        .rating-score {
            font-size: 72px;
            font-weight: 800;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 10px;
        }

        .rating-stars {
            color: #fbbf24;
            font-size: 28px;
            margin-bottom: 15px;
        }

        .rating-desc {
            font-size: 18px;
            color: var(--dark);
            font-weight: 600;
        }

        .compare-table-wrapper {
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

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

        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background: #f1f5f9;
            color: var(--dark);
            font-weight: 700;
        }

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

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

        .compare-status {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
        }

        .status-yes {
            background: rgba(20, 184, 166, 0.1);
            color: var(--accent);
        }

        .status-no {
            background: rgba(100, 116, 139, 0.1);
            color: var(--text-muted);
        }

        /* Token比价参考 */
        .token-section {
            padding: 100px 0;
            background: #ffffff;
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .token-card.popular {
            background: #ffffff;
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: scale(1.03);
            position: relative;
        }

        .token-card.popular .badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--gradient-1);
            color: #ffffff;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .token-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .token-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }

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

        .token-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .token-features li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 14px;
            color: var(--text-main);
        }

        /* 职业技术培训 / 人工智能培训 */
        .training-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

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

        .training-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }

        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .training-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 12px;
            font-weight: 700;
        }

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

        .training-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }

        /* 客户案例中心 & 素材图展示 */
        .cases-section {
            padding: 100px 0;
            background: #ffffff;
        }

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

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

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

        .case-img-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
        }

        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

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

        .case-info {
            padding: 24px;
        }

        .case-info h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 客户评论卡片 (6条) */
        .reviews-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

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

        .review-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .review-content {
            font-size: 15px;
            color: var(--text-main);
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .author-info h4 {
            font-size: 15px;
            color: var(--dark);
            font-weight: 700;
        }

        .author-info span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 常见用户问题 FAQ */
        .faq-section {
            padding: 100px 0;
            background: #ffffff;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 18px 0;
        }

        .faq-btn {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            font-size: 18px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
        }

        .faq-btn::after {
            content: '+';
            font-size: 24px;
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-btn::after {
            transform: rotate(45deg);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: var(--text-muted);
            font-size: 15px;
        }

        .faq-item.active .faq-content {
            max-height: 200px;
            padding-top: 10px;
        }

        /* AI术语百科 & 行业资讯 */
        .news-section {
            padding: 100px 0;
            background: var(--light-bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .news-list {
            background: #ffffff;
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-info h3 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .news-info h3 a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s;
        }

        .news-info h3 a:hover {
            color: var(--primary);
        }

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .wiki-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .wiki-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 20px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 8px;
        }

        .wiki-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .wiki-tag {
            padding: 6px 12px;
            background: var(--light-bg);
            border-radius: 6px;
            font-size: 13px;
            color: var(--text-main);
            text-decoration: none;
            transition: all 0.3s;
        }

        .wiki-tag:hover {
            background: var(--primary);
            color: #ffffff;
        }

        /* 智能需求匹配与联系我们 */
        .contact-section {
            padding: 100px 0;
            background: #ffffff;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .contact-info-box {
            background: var(--light-bg);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .contact-info-box h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 24px;
        }

        .info-detail {
            margin-bottom: 24px;
        }

        .info-detail p {
            margin-bottom: 8px;
            font-size: 15px;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

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

        .qr-item img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 表单样式 */
        .contact-form {
            background: #ffffff;
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 15px;
            outline: none;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary);
        }

        /* 页脚 */
        footer {
            background: var(--dark);
            color: #94a3b8;
            padding: 80px 0 30px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand p {
            margin: 15px 0;
            line-height: 1.8;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            margin-bottom: 20px;
            font-weight: 600;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

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

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

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-bottom p {
            margin: 0;
        }

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

        .friend-links a {
            color: #64748b;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        /* 浮动客服 */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .widget-btn:hover {
            background: var(--gradient-1);
            color: #ffffff;
            transform: scale(1.1);
        }

        .widget-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .widget-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #ffffff;
            padding: 15px;
            border-radius: 8px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            display: none;
            text-align: center;
        }

        .widget-qr img {
            width: 120px;
            height: 120px;
        }

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

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .hero-stats, .services-grid, .solutions-grid, .training-grid, .cases-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
            }

            .nav-links.active {
                display: flex;
            }

            .menu-toggle {
                display: block;
            }

            .hero-section h1 {
                font-size: 32px;
            }

            .about-grid, .contact-grid, .news-grid {
                grid-template-columns: 1fr;
            }

            .hero-stats, .services-grid, .solutions-grid, .training-grid, .cases-grid, .reviews-grid, .process-steps {
                grid-template-columns: 1fr;
            }

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