:root {
            --primary: #8a2be2;
            --primary-light: #9d4edd;
            --secondary: #d946ef;
            --dark: #120924;
            --text-main: #2b1f4d;
            --text-muted: #6e5e8c;
            --bg-main: #faf9fe;
            --bg-card: #ffffff;
            --border: #eeddfc;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-w: 1200px;
        }

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

        body {
            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;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(138, 43, 226, 0.04);
        }

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

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

        .ai-page-logo {
            max-height: 45px;
            width: auto;
        }

        nav {
            display: flex;
            gap: 20px;
            align-items: center;
        }

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

        .nav-links a {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
            background: rgba(138, 43, 226, 0.05);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff !important;
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(138, 43, 226, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(138, 43, 226, 0.3);
        }

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

        /* 首屏 Hero (无图) */
        .hero {
            padding: 100px 0 80px;
            background: radial-gradient(circle at 80% 20%, rgba(217, 70, 239, 0.08) 0%, transparent 60%),
                        radial-gradient(circle at 10% 80%, rgba(138, 43, 226, 0.08) 0%, transparent 60%);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(138, 43, 226, 0.06);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(138, 43, 226, 0.15);
        }

        .hero h1 {
            font-size: 40px;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 800;
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff !important;
            padding: 14px 35px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 8px 25px rgba(138, 43, 226, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(138, 43, 226, 0.35);
        }

        .btn-secondary {
            background: #fff;
            color: var(--primary) !important;
            border: 2px solid var(--primary);
            padding: 12px 33px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
        }

        .btn-secondary:hover {
            background: rgba(138, 43, 226, 0.05);
            transform: translateY(-3px);
        }

        /* 数据指标卡片 */
        .stats-section {
            padding: 40px 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-card h3 {
            font-size: 36px;
            color: var(--primary);
            font-weight: 800;
            margin-bottom: 5px;
        }

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

        /* 通用区块样式 */
        section {
            padding: 80px 0;
        }

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

        .section-header h2 {
            font-size: 32px;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 800;
        }

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

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--dark);
        }

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

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

        .about-feat-item {
            background: var(--bg-card);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .about-feat-item h4 {
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* 全平台AIGC服务 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(138, 43, 226, 0.08);
            border-color: var(--primary-light);
        }

        .service-icon {
            font-size: 40px;
            margin-bottom: 20px;
        }

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

        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .model-tags span {
            background: rgba(138, 43, 226, 0.05);
            color: var(--primary);
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* 一站式AIGC制作 & 解决方案 */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .feature-block {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .feature-block h3 {
            margin-bottom: 15px;
            color: var(--dark);
        }

        .feature-block ul {
            list-style: none;
            margin-top: 15px;
        }

        .feature-block li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
        }

        .feature-block li span {
            font-weight: bold;
            color: var(--primary);
        }

        /* 全国服务网络 */
        .network-section {
            background: #fff;
        }

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

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

        .network-item {
            border-left: 3px solid var(--primary);
            padding-left: 15px;
        }

        .network-item h4 {
            color: var(--dark);
            margin-bottom: 5px;
        }

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

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

        .workflow-step {
            background: #fff;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border);
            position: relative;
            z-index: 2;
        }

        .step-num {
            position: absolute;
            top: -15px;
            right: 15px;
            font-size: 40px;
            font-weight: 800;
            color: rgba(138, 43, 226, 0.08);
        }

        /* 案例中心 (配图) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .case-card {
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(138, 43, 226, 0.1);
        }

        .case-img-container {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background: #f0f0f0;
        }

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

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

        .case-info {
            padding: 15px;
        }

        .case-info h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 5px;
        }

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

        /* 对比评测 */
        .comparison-section {
            background: #fff;
        }

        .comp-score {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            margin-bottom: 40px;
            background: rgba(138, 43, 226, 0.03);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .score-num {
            text-align: center;
        }

        .score-num big {
            font-size: 64px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .score-stars {
            color: #fbbf24;
            font-size: 24px;
            margin-top: 5px;
        }

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

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: #fff;
            min-width: 800px;
        }

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

        .comparison-table th {
            background: rgba(138, 43, 226, 0.03);
            color: var(--dark);
            font-weight: 700;
        }

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

        .comp-highlight {
            background: rgba(138, 43, 226, 0.02);
            font-weight: 600;
            color: var(--primary);
        }

        /* 需求匹配与表单 */
        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .form-wrap {
            background: #fff;
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--border);
            box-shadow: 0 10px 30px rgba(138, 43, 226, 0.05);
        }

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

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

        .form-group input, .form-group select, .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: 8px;
            outline: none;
            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(138, 43, 226, 0.1);
        }

        .form-submit-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(138, 43, 226, 0.2);
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(138, 43, 226, 0.3);
        }

        /* Token比价与培训 */
        .token-card {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

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

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

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

        .training-badge {
            background: rgba(138, 43, 226, 0.08);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 15px;
        }

        /* FAQ */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-header {
            width: 100%;
            padding: 18px 24px;
            text-align: left;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-header::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.2s;
        }

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(138, 43, 226, 0.01);
        }

        .faq-content-inner {
            padding: 0 24px 18px;
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 客户评论 & 新闻资讯 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
        }

        .user-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 15px;
        }

        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
            font-size: 14px;
        }

        .user-info h5 {
            font-size: 14px;
            color: var(--dark);
        }

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

        /* 新闻资讯 & 标签云 */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

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

        .article-item {
            background: #fff;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .article-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-item {
            background: #fff;
            border: 1px solid var(--border);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        /* 浮动客服 */
        .float-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            border: 1px solid var(--border);
            width: 150px;
            padding: 15px;
            text-align: center;
            transition: var(--transition);
        }

        .float-kefu img {
            width: 100%;
            height: auto;
            border-radius: 6px;
            margin-bottom: 8px;
        }

        .float-kefu p {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
        }

        /* 页脚 */
        footer {
            background: var(--dark);
            color: #e2d9f3;
            padding: 60px 0 30px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            max-height: 40px;
            margin-bottom: 15px;
        }

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

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

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

        .footer-col a {
            color: #a89bc2;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .friend-links {
            border-top: 1px solid #2e1e50;
            padding-top: 20px;
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links a {
            color: #a89bc2;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid #2e1e50;
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: #7d6e9c;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid, .training-grid, .testimonial-grid, .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .hero h1 {
                font-size: 28px;
            }
            .about-grid, .grid-2, .network-grid, .match-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .workflow-timeline {
                grid-template-columns: 1fr;
            }
            .service-grid, .training-grid, .testimonial-grid, .case-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .float-kefu {
                display: none; /* 移动端隐藏悬浮 */
            }
        }