/* 基础设置与霓虹亮彩风样式 */
        :root {
            --bg-color: #0b0f19;
            --container-bg: #121826;
            --primary-color: #00f2fe;
            --secondary-color: #4facfe;
            --accent-color: #f355da;
            --text-color: #f8fafc;
            --text-muted: #94a3b8;
            --border-color: #1e293b;
            --neon-glow: 0 0 15px rgba(0, 242, 254, 0.4);
            --neon-pink-glow: 0 0 15px rgba(243, 85, 218, 0.4);
            --max-width: 1200px;
        }

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

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

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

        /* 霓虹亮彩装饰元素 */
        .neon-line {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary-color), var(--accent-color), transparent);
            box-shadow: var(--neon-glow);
        }

        .neon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
            border: none;
            border-radius: 30px;
            cursor: pointer;
            text-decoration: none;
            box-shadow: var(--neon-pink-glow);
            transition: all 0.3s ease;
        }

        .neon-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(243, 85, 218, 0.7);
        }

        .neon-btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 27px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-color);
            background: transparent;
            border: 2px solid var(--primary-color);
            border-radius: 30px;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .neon-btn-outline:hover {
            background: var(--primary-color);
            color: var(--bg-color);
            box-shadow: var(--neon-glow);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(11, 15, 25, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

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

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

        .nav-menu {
            display: flex;
            gap: 15px;
            list-style: none;
        }

        .nav-menu a {
            color: var(--text-color);
            text-decoration: none;
            font-size: 0.9rem;
            padding: 8px 12px;
            border-radius: 4px;
            transition: color 0.3s;
        }

        .nav-menu a:hover {
            color: var(--primary-color);
            text-shadow: var(--neon-glow);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-color);
            transition: 0.3s;
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 80px;
            position: relative;
            text-align: center;
            overflow: hidden;
        }

        .hero-bg-glow {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, transparent 70%);
            z-index: -1;
            filter: blur(50px);
        }

        .hero-section h1 {
            font-size: 2.8rem;
            line-height: 1.3;
            margin-bottom: 20px;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-section p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 30px;
        }

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

        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .metric-card {
            background: var(--container-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px 15px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 5px;
        }

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

        /* 通用区块设置 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--text-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--primary-color);
            box-shadow: var(--neon-glow);
        }

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

        /* 卡片网格布局 */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: var(--container-bg);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            transition: all 0.3s;
        }

        .service-card:hover {
            border-color: var(--accent-color);
            box-shadow: var(--neon-pink-glow);
            transform: translateY(-5px);
        }

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

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        /* 流程步骤 */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

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

        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-color);
            font-weight: bold;
            margin: 0 auto 20px;
            box-shadow: var(--neon-glow);
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background: var(--container-bg);
        }

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

        .eval-table th, .eval-table td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .eval-table th {
            background-color: rgba(255, 255, 255, 0.02);
            color: var(--primary-color);
            font-weight: 600;
        }

        .eval-table tr:hover {
            background-color: rgba(255, 255, 255, 0.01);
        }

        .badge-positive {
            color: var(--primary-color);
            background: rgba(0, 242, 254, 0.1);
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.85rem;
            border: 1px solid var(--primary-color);
        }

        .badge-negative {
            color: #ef4444;
            background: rgba(239, 68, 68, 0.1);
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 0.85rem;
        }

        /* 评分区块 */
        .score-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            background: rgba(243, 85, 218, 0.05);
            border: 1px dashed var(--accent-color);
            border-radius: 12px;
            padding: 20px;
            margin-top: 30px;
        }

        .score-num {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-color);
            text-shadow: var(--neon-pink-glow);
        }

        /* 自助排查与百科的并排卡片 */
        .split-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

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

        .term-list li, .trouble-list li {
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }

        .term-title, .trouble-title {
            color: var(--primary-color);
            font-weight: 600;
            margin-bottom: 5px;
        }

        .term-desc, .trouble-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 人工智能培训展示 */
        .training-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background: var(--container-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }

        /* FAQ 折叠面板 */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            background: var(--container-bg);
            margin-bottom: 10px;
            border-radius: 8px;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.05rem;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            transition: background 0.3s;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
            color: var(--primary-color);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.2);
        }

        .faq-answer p {
            padding: 15px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--container-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            position: relative;
        }

        .review-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 20px;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
        }

        .reviewer-role {
            font-size: 0.85rem;
            color: var(--primary-color);
        }

        /* 表单区域 */
        .form-section-bg {
            background: var(--container-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            max-width: 800px;
            margin: 0 auto;
            box-shadow: var(--neon-glow);
        }

        .demand-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .form-full {
            grid-column: span 2;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group label {
            font-size: 0.9rem;
            color: var(--text-color);
            font-weight: 500;
        }

        .form-group input, .form-group select, .form-group textarea {
            background: var(--bg-color);
            border: 1px solid var(--border-color);
            color: var(--text-color);
            padding: 12px 15px;
            border-radius: 6px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 8px rgba(0, 242, 254, 0.2);
        }

        .submit-btn-wrap {
            grid-column: span 2;
            text-align: center;
            margin-top: 15px;
        }

        /* 案例图片展示样式 */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .case-item {
            background: var(--container-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .case-image-box {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: #1e293b;
        }

        .case-image-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

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

        .case-desc {
            padding: 15px;
        }

        .case-desc h4 {
            font-size: 1.1rem;
            margin-bottom: 5px;
            color: var(--primary-color);
        }

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

        .materials-row {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .horizontal-material-box {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .material-img-wrapper {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            aspect-ratio: 21/9;
            background: #1e293b;
        }

        .material-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .square-material-box {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            aspect-ratio: 1/1;
            background: #1e293b;
        }

        .square-material-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 新闻资讯 / 知识库 */
        .news-section .news-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

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

        .article-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .article-list li {
            padding: 15px;
            background: var(--container-bg);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            transition: all 0.3s;
        }

        .article-list li:hover {
            border-color: var(--primary-color);
        }

        .article-list a {
            color: var(--text-color);
            text-decoration: none;
            font-size: 0.95rem;
            display: block;
        }

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

        /* 联系方式模块 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

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

        .qr-gallery {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            text-align: center;
        }

        .qr-item {
            background: var(--container-bg);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        /* 友情链接与底部 */
        footer {
            background: #060910;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .footer-col h4 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 15px;
        }

        .friend-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.3s;
        }

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

        .copyright-bar {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.8rem;
        }

        /* 浮动客服入口 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s;
        }

        .floating-kefu:hover {
            transform: scale(1.1);
        }

        .floating-kefu-box {
            display: none;
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--container-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            width: 220px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            text-align: center;
        }

        .floating-kefu-box img {
            width: 150px;
            height: 150px;
            margin-bottom: 10px;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .reviews-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-color);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .demand-form {
                grid-template-columns: 1fr;
            }
            .form-full {
                grid-column: span 1;
            }
            .submit-btn-wrap {
                grid-column: span 1;
            }
            .split-grid, .contact-layout, .news-section .news-container, .footer-grid {
                grid-template-columns: 1fr;
            }
            .case-gallery {
                grid-template-columns: 1fr;
            }
            .materials-row {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
        }