/* 基础变量与重置 */
        :root {
            --primary: #7f00ff;
            --secondary: #00f0ff;
            --accent: #ff007f;
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            --neon-border: linear-gradient(135deg, var(--accent), var(--primary), var(--secondary));
            --radius: 12px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            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-main);
            color: var(--text-main);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        /* 霓虹亮彩风核心元素（浅色底适配） */
        .neon-text-gradient {
            background: linear-gradient(135deg, #7f00ff, #ff007f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .neon-glow-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            text-decoration: none;
            color: #ffffff;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border: none;
            border-radius: 30px;
            box-shadow: 0 4px 15px rgba(127, 0, 255, 0.3);
            transition: var(--transition);
            cursor: pointer;
        }

        .neon-glow-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 127, 0.5);
        }

        .neon-border-box {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .neon-border-box::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius);
            padding: 2px;
            background: var(--neon-border);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
            opacity: 0.7;
            transition: var(--transition);
        }

        .neon-border-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(127, 0, 255, 0.15);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            z-index: 1000;
            transition: var(--transition);
        }

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

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

        .ai-page-logo {
            height: 40px;
            object-fit: contain;
        }

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
        }

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

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

        .ai-page-home-link {
            text-decoration: none;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 14px;
        }

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

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

        /* Hero首屏 - 无图设计，强霓虹渐变排版 */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.08), transparent 40%),
                        radial-gradient(circle at 20% 80%, rgba(255, 0, 127, 0.08), transparent 40%);
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(127, 0, 255, 0.1);
            border: 1px solid rgba(127, 0, 255, 0.2);
            color: var(--primary);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 42px;
            line-height: 1.2;
            font-weight: 850;
            color: var(--text-main);
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            text-decoration: none;
            color: var(--text-main);
            background: #ffffff;
            border: 1px solid #e2e8f0;
            border-radius: 30px;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: #f1f5f9;
            border-color: #cbd5e1;
        }

        /* 数据指标卡片 */
        .data-metrics {
            margin-top: 60px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
            border: 1px solid #f1f5f9;
        }

        .metric-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* 平台介绍 */
        .about-section {
            background: #ffffff;
        }

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

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
        }

        .section-header p {
            color: var(--text-muted);
        }

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

        .intro-text p {
            margin-bottom: 20px;
            color: var(--text-muted);
        }

        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .intro-feature-card {
            padding: 20px;
            background: var(--bg-main);
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
        }

        .intro-feature-card h4 {
            margin-bottom: 8px;
            font-size: 16px;
            color: var(--text-main);
        }

        /* AIGC 服务与制作场景 */
        .services-section {
            background: var(--bg-main);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card h3 {
            margin-bottom: 12px;
            font-size: 20px;
        }

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

        /* 平台标签云 */
        .platform-cloud {
            margin-top: 50px;
            background: #ffffff;
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .platform-cloud h4 {
            text-align: center;
            margin-bottom: 24px;
            color: var(--text-muted);
        }

        .tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-item {
            padding: 6px 14px;
            background: var(--bg-main);
            border: 1px solid #e2e8f0;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
        }

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

        /* 解决方案与制作场景 */
        .scene-section {
            background: #ffffff;
        }

        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .scene-card {
            background: var(--bg-main);
            border-radius: var(--radius);
            padding: 30px;
            border: 1px solid #e2e8f0;
        }

        .scene-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .scene-card ul {
            list-style: none;
        }

        .scene-card li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .scene-card li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* 标准化流程与步骤 */
        .process-section {
            background: var(--bg-main);
        }

        .step-timeline {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            position: relative;
        }

        .step-item {
            background: #ffffff;
            padding: 30px;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid #e2e8f0;
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 20px;
        }

        .step-item h4 {
            margin-bottom: 10px;
            font-size: 18px;
        }

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

        /* 全国服务网络与技术标准 */
        .network-section {
            background: #ffffff;
        }

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

        .network-map-placeholder {
            background: var(--bg-main);
            border-radius: var(--radius);
            padding: 40px;
            text-align: center;
            border: 2px dashed #cbd5e1;
        }

        .network-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .network-card {
            background: var(--bg-main);
            padding: 20px;
            border-radius: var(--radius);
        }

        .network-card h5 {
            font-size: 16px;
            margin-bottom: 8px;
        }

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

        /* 案例展示 */
        .cases-section {
            background: var(--bg-main);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: #ffffff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
            transition: var(--transition);
        }

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

        .case-img-container {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #e2e8f0;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-info h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

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

        /* 职业与人工智能培训 */
        .training-section {
            background: #ffffff;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .training-card {
            background: var(--bg-main);
            border-radius: var(--radius);
            padding: 30px;
            border: 1px solid #e2e8f0;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
        }

        .training-badge {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(127,0,255,0.08);
            color: var(--primary);
            font-size: 12px;
            border-radius: 4px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        /* 对比评测 */
        .evaluation-section {
            background: var(--bg-main);
        }

        .eval-summary {
            background: #ffffff;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 30px;
        }

        .eval-score-box {
            text-align: center;
        }

        .eval-score-num {
            font-size: 64px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
        }

        .eval-stars {
            font-size: 24px;
            color: #f59e0b;
            margin: 10px 0;
        }

        .eval-table-wrapper {
            background: #ffffff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

        .eval-table th, .eval-table td {
            padding: 16px 24px;
            border-bottom: 1px solid #e2e8f0;
        }

        .eval-table th {
            background: #f1f5f9;
            font-weight: 600;
            color: var(--text-main);
        }

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

        .highlight-col {
            background: rgba(127, 0, 255, 0.02);
            font-weight: 600;
        }

        /* Token 比价 */
        .token-section {
            background: #ffffff;
        }

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

        /* 智能需求匹配与表单 */
        .requirement-section {
            background: var(--bg-main);
        }

        .form-wrapper {
            background: #ffffff;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            max-width: 800px;
            margin: 0 auto;
        }

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

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

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

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        .form-group input, .form-group select, .form-group textarea {
            padding: 12px;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            outline: none;
            font-family: inherit;
            font-size: 14px;
            transition: var(--transition);
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(127, 0, 255, 0.1);
        }

        /* 加盟代理 */
        .agent-section {
            background: #ffffff;
        }

        .agent-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .agent-card {
            background: var(--bg-main);
            padding: 30px;
            border-radius: var(--radius);
            border: 1px solid #e2e8f0;
        }

        /* 常见用户问题 FAQ */
        .faq-section {
            background: var(--bg-main);
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: #ffffff;
            border-radius: 8px;
            border: 1px solid #e2e8f0;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        .faq-answer-content {
            padding: 20px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid #f1f5f9;
        }

        /* 自助排查与术语百科 */
        .troubleshoot-section {
            background: #ffffff;
        }

        .encyclopedia-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .term-card {
            background: var(--bg-main);
            padding: 20px;
            border-radius: var(--radius);
            border-top: 4px solid var(--secondary);
        }

        .term-card h5 {
            font-size: 16px;
            margin-bottom: 8px;
        }

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

        /* 用户评论 */
        .reviews-section {
            background: var(--bg-main);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .review-card {
            background: #ffffff;
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            border: 1px solid #e2e8f0;
        }

        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .reviewer-meta h4 {
            font-size: 16px;
        }

        .reviewer-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 行业资讯 / 知识库 */
        .news-section {
            background: #ffffff;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .news-card {
            background: var(--bg-main);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid #e2e8f0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
        }

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

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

        /* 联系我们与页脚 */
        .contact-section {
            background: var(--bg-main);
        }

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

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

        .contact-item-detail {
            background: #ffffff;
            padding: 20px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            gap: 15px;
            border: 1px solid #e2e8f0;
        }

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

        .qr-card {
            text-align: center;
            background: #ffffff;
            padding: 15px;
            border-radius: var(--radius);
            border: 1px solid #e2e8f0;
            flex: 1;
        }

        .qr-card img {
            width: 100%;
            max-width: 120px;
            aspect-ratio: 1/1;
            object-fit: cover;
            margin-bottom: 10px;
        }

        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

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

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

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

        .footer-col a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
        }

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

        .friend-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* 浮动客服 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .kefu-btn {
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            cursor: pointer;
            text-decoration: none;
            font-size: 20px;
            transition: var(--transition);
        }

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

        /* 响应式调整 */
        @media (max-width: 992px) {
            .intro-grid, .network-grid, .token-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                border-top: 1px solid #f1f5f9;
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
            .eval-summary {
                flex-direction: column;
                text-align: center;
            }
        }