/* CSS 变量定义：镭射幻彩浅色风 */
        :root {
            --bg-base: #f7fafc;
            --text-main: #1a202c;
            --text-muted: #4a5568;
            --text-white: #ffffff;
            --primary: #6c5ce7;
            
            /* 镭射幻彩渐变 */
            --gradient-laser: linear-gradient(135deg, #ff9a9e 0%, #fecfef 40%, #a1c4fd 70%, #c2e9fb 100%);
            --gradient-btn: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
            --gradient-card-border: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
            
            --glass-bg: rgba(255, 255, 255, 0.85);
            --glass-border: rgba(230, 230, 250, 0.6);
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 20px 25px -5px rgba(108, 92, 231, 0.1), 0 10px 10px -5px rgba(108, 92, 231, 0.04);
            
            --max-width: 1200px;
        }

        /* 基础复位 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-base);
            color: var(--text-main);
            overflow-x: hidden;
        }

        body {
            position: relative;
            line-height: 1.6;
        }

        /* 全局镭射微光点缀背景 */
        body::before {
            content: "";
            position: fixed;
            top: -10%;
            left: -10%;
            width: 120%;
            height: 120%;
            background: 
                radial-gradient(circle at 20% 30%, rgba(255, 154, 158, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 80% 70%, rgba(161, 196, 253, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 50% 10%, rgba(254, 207, 239, 0.12) 0%, transparent 45%);
            z-index: -1;
            pointer-events: none;
        }

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

        /* 标题样式 */
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 15px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #4a00e0, #8e2de2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 50px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 按钮设计 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--gradient-btn);
            color: #4a154b;
            box-shadow: 0 4px 15px rgba(251, 194, 235, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(251, 194, 235, 0.6);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.8);
            color: var(--text-main);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline:hover {
            background: var(--gradient-laser);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* 1. 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--glass-border);
            transition: background 0.3s;
        }

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

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

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

        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, #6c5ce7, #a18cd1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav.nav-menu {
            display: flex;
            gap: 20px;
        }

        nav.nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.3s;
        }

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

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

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
            padding: 5px;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 2. Hero 首屏 - 无任何图片 */
        .hero-section {
            padding: 120px 0 90px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-laser-ring {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: var(--gradient-laser);
            border-radius: 50%;
            filter: blur(120px);
            opacity: 0.25;
            z-index: -1;
            animation: pulse 10s infinite alternate;
        }

        @keyframes pulse {
            0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.2; }
            100% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.3; }
        }

        .hero-h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 25px;
            color: var(--text-main);
            letter-spacing: -1px;
        }

        .hero-h1 span {
            background: linear-gradient(120deg, #6c5ce7 0%, #ff85a2 50%, #74b9ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-tagline {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .hero-tagline span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .hero-tagline span::before {
            content: "✓";
            color: #20bf6b;
            font-weight: bold;
        }

        /* 3. 数据指标卡片 */
        .stats-section {
            padding: 40px 0;
            margin-top: -30px;
            position: relative;
            z-index: 10;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 25px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-card .number {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #6c5ce7, #ff7675);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-card .label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 通用区块间距 */
        section {
            padding: 80px 0;
            position: relative;
        }

        /* 4. 关于我们 & 平台介绍 */
        .about-section {
            background: rgba(255, 255, 255, 0.5);
        }

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

        .about-content h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

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

        .about-feature-item {
            background: var(--glass-bg);
            border-radius: 12px;
            padding: 15px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .about-feature-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .about-feature-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 5. 全平台 AIGC 服务 */
        .model-platforms-box {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow-md);
            margin-top: 30px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .tag-item {
            background: #ffffff;
            border: 1px solid #e2e8f0;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            transition: all 0.3s;
            cursor: default;
        }

        .tag-item:hover {
            background: var(--gradient-laser);
            border-color: transparent;
            transform: scale(1.05);
            box-shadow: var(--shadow-sm);
        }

        /* 6. 一站式 AIGC 制作能力 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

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

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

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

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: var(--gradient-laser);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .service-card .badge {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.75rem;
            background: #edf2f7;
            border-radius: 20px;
            color: var(--primary);
            font-weight: 600;
        }

        /* 7. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 35px;
            display: flex;
            gap: 20px;
            box-shadow: var(--shadow-sm);
        }

        .solution-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: rgba(108, 92, 231, 0.2);
            line-height: 1;
        }

        .solution-info h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* 8. 标准化 AIGC 流程 & 技术标准 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            position: relative;
            box-shadow: var(--shadow-sm);
        }

        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-weight: bold;
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 9. 全国服务网络 */
        .network-section {
            background: #ffffff;
            border-radius: 30px;
            margin: 40px 0;
            padding: 60px 40px;
            box-shadow: var(--shadow-sm);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .network-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
        }

        .network-node {
            background: var(--bg-base);
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid #e2e8f0;
        }

        .network-node h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 5px;
        }

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

        /* 10. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .case-card:hover {
            transform: translateY(-5px);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #edf2f7;
            position: relative;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            padding: 3px 8px;
            font-size: 0.75rem;
            border-radius: 4px;
            background: var(--gradient-laser);
            color: var(--text-main);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .case-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 11. 对比评测 & Token比价参考 */
        .eval-section {
            background: rgba(255, 255, 255, 0.4);
        }

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

        .eval-score-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 40px;
            text-align: center;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .stars {
            font-size: 2.2rem;
            color: #ffbe0f;
            margin-bottom: 15px;
        }

        .score-num {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1;
            background: linear-gradient(135deg, #6c5ce7, #ff7675);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .score-label {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--glass-border);
            background: #fff;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 0.9rem;
        }

        .compare-table th, .compare-table td {
            padding: 15px 20px;
            border-bottom: 1px solid #edf2f7;
        }

        .compare-table th {
            background-color: #f7fafc;
            font-weight: 700;
        }

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

        .highlight-row {
            background: rgba(254, 207, 239, 0.15);
            font-weight: 600;
        }

        /* 12. 人工智能培训 & 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            padding: 25px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }

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

        .training-icon {
            font-size: 2rem;
            margin-bottom: 15px;
        }

        .training-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 13. 常见用户问题 FAQ & 自助排查 & AI术语 */
        .faq-section {
            background: #ffffff;
        }

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

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            overflow: hidden;
            background: var(--glass-bg);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background 0.3s;
        }

        .faq-question:hover {
            background: rgba(108, 92, 231, 0.05);
        }

        .faq-question::after {
            content: "+";
            font-size: 1.4rem;
            font-weight: 400;
            transition: transform 0.3s;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #ffffff;
        }

        .faq-answer-content {
            padding: 20px 24px;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-top: 1px solid #edf2f7;
            line-height: 1.7;
        }

        /* 术语百科 & 自助排查卡片 */
        .side-panel {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .side-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 25px;
            box-shadow: var(--shadow-sm);
        }

        .side-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 15px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 8px;
            display: inline-block;
        }

        .glossary-list, .trouble-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .glossary-list li, .trouble-list li {
            font-size: 0.85rem;
        }

        .glossary-list strong, .trouble-list strong {
            color: var(--primary);
            display: block;
            margin-bottom: 2px;
        }

        /* 14. 客户评论卡片 */
        .reviews-section {
            background: rgba(255, 255, 255, 0.5);
        }

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

        .review-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .review-quote {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.7;
            font-style: italic;
        }

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

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

        .user-info h5 {
            font-size: 0.9rem;
            font-weight: 700;
        }

        .user-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 15. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .news-card-body {
            padding: 25px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .news-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .news-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .news-link::after {
            content: "→";
        }

        /* 16. 联系我们 & 加盟代理 & 智能需求匹配表单 */
        .contact-section {
            background: #ffffff;
            border-radius: 30px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 80px;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            padding: 60px 40px;
        }

        .contact-info-area {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-detail-list {
            margin-top: 30px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-item {
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }

        .contact-icon {
            font-size: 1.2rem;
            color: var(--primary);
        }

        .contact-text h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 3px;
        }

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

        /* 客服二维码 */
        .kefu-box {
            margin-top: 30px;
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-base);
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--glass-border);
        }

        .kefu-box img {
            width: 90px;
            height: 90px;
            border-radius: 8px;
            object-fit: cover;
        }

        .kefu-desc h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .kefu-desc p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* 智能匹配表单 */
        .form-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

        .form-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 25px;
            text-align: center;
        }

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

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid #cbd5e0;
            background: #ffffff;
            font-size: 0.9rem;
            color: var(--text-main);
            transition: border-color 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
        }

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

        /* 浮动客服栏 */
        .float-toolbar {
            position: fixed;
            right: 20px;
            bottom: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

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

        .float-item:hover {
            transform: scale(1.05);
            background: var(--gradient-laser);
        }

        .float-item .tooltip-qr {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: #ffffff;
            border: 1px solid var(--glass-border);
            padding: 15px;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            text-align: center;
            width: 130px;
        }

        .float-item .tooltip-qr img {
            width: 100px;
            height: 100px;
            object-fit: cover;
        }

        .float-item .tooltip-qr p {
            font-size: 0.75rem;
            color: var(--text-main);
            margin-top: 5px;
        }

        .float-item:hover .tooltip-qr {
            opacity: 1;
            visibility: visible;
        }

        /* 17. 页脚 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 80px 0 30px;
            font-size: 0.85rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-logo img {
            height: 40px;
            margin-bottom: 20px;
        }

        .footer-logo p {
            line-height: 1.6;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .footer-qr-group {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

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

        .footer-qr-item img {
            width: 80px;
            height: 80px;
            border-radius: 6px;
            margin-bottom: 8px;
            background: #fff;
            padding: 3px;
        }

        .footer-qr-item p {
            font-size: 0.75rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

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

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

        .footer-links a:hover {
            color: #94a3b8;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid, .case-grid, .news-grid, .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .solutions-grid, .eval-container, .faq-grid, .contact-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .network-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--glass-border);
                box-shadow: var(--shadow-md);
                gap: 15px;
            }

            .nav-menu.show {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .nav-actions {
                display: none;
            }

            .hero-h1 {
                font-size: 2rem;
            }

            .hero-lead {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.8rem;
            }

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

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

        @media (max-width: 480px) {
            .stats-grid, .service-grid, .case-grid, .news-grid, .training-grid, .process-flow {
                grid-template-columns: 1fr;
            }
            .contact-grid {
                padding: 30px 15px;
            }
        }