:root {
            --primary: #8b5cf6;
            --primary-light: #a78bfa;
            --secondary: #ec4899;
            --accent: #06b6d4;
            --dark: #0f172a;
            --light: #f8fafc;
            --muted: #64748b;
            --border: #e2e8f0;
            --card-bg: rgba(255, 255, 255, 0.85);
            
            /* 镭射幻彩背景渐变 */
            --holo-grad: linear-gradient(135deg, rgba(167, 139, 250, 0.08) 0%, rgba(244, 114, 182, 0.08) 50%, rgba(56, 189, 248, 0.08) 100%);
            --holo-text: linear-gradient(135deg, #7c3aed 0%, #db2777 50%, #0284c7 100%);
            --holo-btn: linear-gradient(135deg, #8b5cf6 0%, #ec4899 50%, #06b6d4 100%);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #fafbfd;
            background-image: var(--holo-grad);
            background-attachment: fixed;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: all 0.3s ease;
        }

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

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--dark);
            font-weight: bold;
            font-size: 1.25rem;
        }

        .ai-page-logo {
            height: 35px;
            width: auto;
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
            padding: 5px 10px;
            border-radius: 6px;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(139, 92, 246, 0.05);
        }

        .nav-btn {
            background: var(--holo-btn);
            color: #fff;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: bold;
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-block;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }

        /* Hero首屏 - 无图设计，强对比，高科技感 */
        .hero {
            padding: 160px 0 100px;
            text-align: center;
            position: relative;
            background: radial-gradient(circle at 50% 30%, rgba(167, 139, 250, 0.15) 0%, transparent 70%);
        }

        .hero-badge {
            background: rgba(139, 92, 246, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            display: inline-block;
            margin-bottom: 20px;
            border: 1px solid rgba(139, 92, 246, 0.2);
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            background: var(--holo-text);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: break-all;
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--muted);
            max-width: 700px;
            margin: 0 auto 35px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .btn-primary {
            background: var(--holo-btn);
            color: #fff;
            padding: 14px 30px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: bold;
            text-decoration: none;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(139, 92, 246, 0.5);
        }

        .btn-secondary {
            background: #fff;
            color: var(--dark);
            border: 1.5px solid var(--border);
            padding: 14px 30px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: bold;
            text-decoration: none;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            border-color: var(--primary-light);
            background: rgba(139, 92, 246, 0.02);
            color: var(--primary);
        }

        /* 核心数据卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid rgba(226, 232, 240, 0.6);
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.02);
            transition: transform 0.3s;
        }

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

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--holo-text);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            color: var(--muted);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* 通用区块设置 */
        section {
            padding: 90px 0;
            border-bottom: 1px solid rgba(226, 232, 240, 0.5);
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-header p {
            color: var(--muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 关于我们与培训 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .about-text p {
            color: var(--muted);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .features-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 25px;
        }

        .features-list li {
            position: relative;
            padding-left: 24px;
            font-size: 0.9rem;
            color: var(--dark);
        }

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

        .about-images {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .about-images img {
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }

        .about-images img:hover {
            transform: scale(1.03);
        }

        /* 全平台AIGC服务与模型聚合 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(139, 92, 246, 0.1);
        }

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

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

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

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 30px;
            justify-content: center;
        }

        .tag-cloud span {
            background: rgba(139, 92, 246, 0.05);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid rgba(139, 92, 246, 0.1);
        }

        /* 一站式AIGC制作场景 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s;
        }

        .scene-card:hover {
            border-color: var(--primary-light);
            box-shadow: 0 8px 25px rgba(0,0,0,0.03);
        }

        .scene-card h4 {
            margin: 15px 0 10px;
            color: var(--dark);
        }

        .scene-card p {
            font-size: 0.85rem;
            color: var(--muted);
        }

        /* 对比评测 */
        .compare-table-wrapper {
            overflow-x: auto;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid var(--border);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        th, td {
            padding: 18px 20px;
            border-bottom: 1px solid var(--border);
        }

        th {
            background: #f8fafc;
            color: var(--dark);
            font-weight: 600;
        }

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

        .highlight-col {
            background: rgba(139, 92, 246, 0.02);
            font-weight: 600;
            color: var(--primary);
        }

        .badge-star {
            color: #f59e0b;
            font-size: 1.1rem;
        }

        /* 评分显示 */
        .score-box {
            display: flex;
            align-items: center;
            gap: 20px;
            background: rgba(139, 92, 246, 0.03);
            border: 1px solid rgba(139, 92, 246, 0.1);
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 30px;
        }

        .score-num {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

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

        /* 案例展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: transform 0.3s;
        }

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

        .case-img-holder {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #e2e8f0;
            position: relative;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: bold;
            text-transform: uppercase;
            margin-bottom: 5px;
            display: inline-block;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--dark);
        }

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

        /* 流程步骤与时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: var(--border);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 20px 40px;
            box-sizing: border-box;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            top: 25px;
            width: 16px;
            height: 16px;
            background: #fff;
            border: 4px solid var(--primary);
            border-radius: 50%;
            z-index: 1;
        }

        .timeline-item.left {
            left: 0;
            text-align: right;
        }

        .timeline-item.right {
            left: 50%;
            text-align: left;
        }

        .timeline-item.left::after {
            right: -8px;
        }

        .timeline-item.right::after {
            left: -8px;
        }

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

        .timeline-content h3 {
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 5px;
        }

        /* 用户评论 */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 25px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.01);
        }

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

        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--holo-btn);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .review-user h4 {
            font-size: 0.95rem;
            color: var(--dark);
        }

        .review-user span {
            font-size: 0.8rem;
            color: var(--muted);
        }

        .review-card p {
            font-size: 0.9rem;
            color: var(--muted);
            font-style: italic;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }

        .token-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
        }

        .token-name {
            font-weight: bold;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .token-price {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 5px;
        }

        .token-market {
            font-size: 0.8rem;
            color: var(--muted);
            text-decoration: line-through;
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-title {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--dark);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            outline: none;
        }

        .faq-title::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--primary);
        }

        .faq-item.active .faq-title::after {
            content: "−";
        }

        .faq-content {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--muted);
            font-size: 0.9rem;
            border-top: 0px solid transparent;
        }

        .faq-item.active .faq-content {
            padding: 18px 24px;
            max-height: 200px;
            border-top: 1px solid var(--border);
        }

        /* 需求表单与联系方式 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .form-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 35px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            transition: border-color 0.3s;
        }

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

        .contact-info-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 35px;
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

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

        .info-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .info-details h4 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .info-details p, .info-details a {
            color: var(--muted);
            font-size: 0.9rem;
            text-decoration: none;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 15px;
        }

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

        .qr-item img {
            width: 110px;
            height: 110px;
            border-radius: 8px;
            border: 1px solid var(--border);
            padding: 5px;
            background: #fff;
            margin-bottom: 5px;
        }

        .qr-item span {
            font-size: 0.75rem;
            color: var(--muted);
            display: block;
        }

        /* 术语与百科 */
        .百科-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .百科-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
        }

        .百科-card h4 {
            color: var(--primary);
            margin-bottom: 10px;
        }

        .百科-card p {
            font-size: 0.85rem;
            color: var(--muted);
        }

        /* 文章列表 */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .article-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

        .article-card:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.03);
            border-color: var(--primary-light);
        }

        .article-card h3 {
            font-size: 1.05rem;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .article-link {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 5px;
            margin-top: 15px;
        }

        .article-link:hover {
            color: var(--secondary);
        }

        /* 浮动工具栏 */
        .floating-action {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            text-decoration: none;
            color: var(--dark);
            font-size: 1.25rem;
            transition: all 0.3s;
        }

        .float-btn:hover {
            background: var(--holo-btn);
            color: #fff;
            border-color: transparent;
            transform: scale(1.05);
        }

        .float-qr-box {
            position: absolute;
            bottom: 65px;
            right: 0;
            width: 140px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            text-align: center;
            display: none;
        }

        .float-btn-qr:hover .float-qr-box {
            display: block;
        }

        /* 友情链接与页脚 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #f8fafc;
            margin-bottom: 20px;
            font-size: 1rem;
        }

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

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

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

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

        .friend-links {
            padding: 20px 0;
            border-top: 1px solid #1e293b;
            border-bottom: 1px solid #1e293b;
            margin-bottom: 20px;
        }

        .friend-links-title {
            font-weight: bold;
            color: #f8fafc;
            margin-bottom: 10px;
            display: block;
        }

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

        .friend-links-list a {
            color: #64748b;
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.3s;
        }

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

        .copyright-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid, .service-grid, .scene-grid, .review-grid, .case-grid, .article-grid, .token-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }

            .nav-menu {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
                display: none;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }

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

            .hero h1 {
                font-size: 2.2rem;
            }

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

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

            .timeline::before {
                left: 20px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }

            .timeline-item.right {
                left: 0;
            }

            .timeline-item::after {
                left: 12px !important;
            }

            .百科-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .stats-grid, .service-grid, .scene-grid, .review-grid, .case-grid, .article-grid, .token-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
        }