/* 基础变量 - 霓虹亮彩（浅色背景） */
        :root {
            --bg-primary: #f8fafc;
            --bg-secondary: #f1f5f9;
            --text-main: #0f172a;
            --text-muted: #475569;
            --neon-purple: #8b5cf6;
            --neon-blue: #06b6d4;
            --neon-pink: #ec4899;
            --border-glow: rgba(139, 92, 246, 0.15);
            --transition-speed: 0.3s;
            --container-width: 1200px;
        }

        /* 基础重置 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-main);
        }
        body {
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        ul {
            list-style: none;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 霓虹视觉装饰类 */
        .neon-text-gradient {
            background: linear-gradient(135deg, var(--neon-purple), var(--neon-blue), var(--neon-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .neon-border {
            position: relative;
            border: 1px solid var(--border-glow);
            box-shadow: 0 4px 20px -2px rgba(139, 92, 246, 0.08);
            transition: all var(--transition-speed);
        }
        .neon-border:hover {
            border-color: var(--neon-purple);
            box-shadow: 0 8px 30px -2px rgba(139, 92, 246, 0.2);
            transform: translateY(-2px);
        }
        .btn-neon {
            display: inline-block;
            padding: 12px 30px;
            font-weight: 600;
            text-align: center;
            border-radius: 8px;
            color: #ffffff !important;
            background: linear-gradient(90deg, var(--neon-purple), var(--neon-blue));
            box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
            border: none;
            cursor: pointer;
            transition: all var(--transition-speed);
        }
        .btn-neon:hover {
            box-shadow: 0 6px 20px rgba(139, 92, 246, 0.6);
            transform: scale(1.03);
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(248, 250, 252, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-glow);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-area img {
            height: 40px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--neon-purple), var(--neon-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
        }
        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 12px;
            border-radius: 4px;
        }
        .nav-link:hover {
            color: var(--neon-purple);
            background: rgba(139, 92, 246, 0.05);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--text-main);
            transition: var(--transition-speed);
        }

        /* 首屏 Hero */
        .hero {
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            background: radial-gradient(circle at 50% 20%, rgba(139, 92, 246, 0.05), transparent 70%);
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(139, 92, 246, 0.08);
            border: 1px solid rgba(139, 92, 246, 0.2);
            color: var(--neon-purple);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 36px;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 60px;
        }
        .btn-outline {
            display: inline-block;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 8px;
            border: 2px solid var(--neon-purple);
            color: var(--neon-purple);
            background: transparent;
            cursor: pointer;
            transition: all var(--transition-speed);
        }
        .btn-outline:hover {
            background: rgba(139, 92, 246, 0.05);
            transform: translateY(-2px);
        }

        /* 统一的 Section 规范 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-glow);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
        }
        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--neon-purple);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 关于我们与平台介绍 */
        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
        }
        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .feature-bullets {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .bullet-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: var(--text-main);
        }
        .bullet-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--neon-blue);
        }

        /* 服务与平台模型聚合 */
        .model-list-wrapper {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 40px;
            margin-top: 30px;
        }
        .model-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .model-tag {
            padding: 8px 16px;
            border-radius: 20px;
            background: var(--bg-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--border-glow);
            transition: all var(--transition-speed);
        }
        .model-tag:hover {
            background: rgba(6, 182, 212, 0.1);
            border-color: var(--neon-blue);
            color: var(--neon-blue);
        }

        /* 一站式AIGC制作场景与卡片 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .scene-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 30px;
        }
        .scene-icon {
            font-size: 2rem;
            margin-bottom: 20px;
        }
        .scene-card h3 {
            margin-bottom: 12px;
            font-size: 1.25rem;
        }
        .scene-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 解决方案、网络、流程、标准、案例 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
            position: relative;
        }
        .flow-step {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            position: relative;
        }
        .flow-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--neon-purple);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-weight: bold;
        }
        .case-card {
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
        }
        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
        }
        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-speed);
        }
        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }
        .case-info {
            padding: 24px;
        }
        .case-info h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .case-info p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            background: var(--card-bg);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        th, td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-glow);
        }
        th {
            background-color: var(--bg-secondary);
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .highlight-col {
            background-color: rgba(139, 92, 246, 0.03);
            font-weight: 600;
        }
        .rating-stars {
            color: #fbbf24;
            font-size: 1.2rem;
        }

        /* Token 比价 */
        .pricing-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .pricing-item {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .pricing-meta h4 {
            font-size: 1.1rem;
            margin-bottom: 4px;
        }
        .pricing-meta p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .price-tag {
            text-align: right;
        }
        .price-num {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--neon-pink);
        }

        /* 培训 */
        .training-cards {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }
        .training-card {
            background: var(--card-bg);
            border-radius: 8px;
            padding: 20px 15px;
            text-align: center;
        }
        .training-card h4 {
            font-size: 0.95rem;
            margin-bottom: 8px;
        }
        .training-card p {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        /* 常见用户问题 FAQ */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: 8px;
            border: 1px solid var(--border-glow);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            background: transparent;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-question::after {
            content: "+";
            font-size: 1.3rem;
            color: var(--neon-purple);
            transition: transform var(--transition-speed);
        }
        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-speed) ease-out;
            background: rgba(241, 245, 249, 0.5);
        }
        .faq-answer-inner {
            padding: 18px 24px;
            font-size: 0.92rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-glow);
        }

        /* 术语百科与排查 */
        .ency-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .ency-card {
            background: var(--card-bg);
            border-radius: 8px;
            padding: 20px;
        }
        .ency-card h4 {
            color: var(--neon-blue);
            margin-bottom: 8px;
        }
        .ency-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 最新文章 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .article-card {
            background: var(--card-bg);
            border-radius: 8px;
            padding: 20px;
            border-left: 4px solid var(--neon-purple);
        }
        .article-card h4 {
            margin-bottom: 10px;
            font-size: 1rem;
        }
        .article-card a {
            font-size: 0.85rem;
            color: var(--neon-purple);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-card a:hover {
            color: var(--neon-blue);
        }

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 30px;
            position: relative;
        }
        .review-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
        }
        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .review-user h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .review-user p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 联系我们与表单 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }
        .info-icon {
            font-size: 1.2rem;
            color: var(--neon-purple);
            margin-top: 3px;
        }
        .info-content h4 {
            margin-bottom: 4px;
        }
        .info-content p, .info-content a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .kefu-qrcode-container {
            margin-top: 15px;
            display: flex;
            gap: 15px;
            align-items: center;
        }
        .kefu-qrcode-container img {
            width: 100px;
            height: 100px;
            border: 1px solid var(--border-glow);
            border-radius: 8px;
            padding: 5px;
            background: #fff;
        }
        .kefu-text p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 5px;
        }
        .contact-form {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-glow);
            border-radius: 8px;
            outline: none;
            background: var(--bg-primary);
            color: var(--text-main);
            transition: border-color var(--transition-speed);
        }
        .form-control:focus {
            border-color: var(--neon-purple);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* 页脚 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            color: #ffffff;
            margin-bottom: 15px;
        }
        .footer-links h4 {
            color: #ffffff;
            margin-bottom: 15px;
        }
        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--neon-blue);
        }
        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .friendship-links a {
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            transition: all var(--transition-speed);
        }
        .friendship-links a:hover {
            background: var(--neon-purple);
            color: #ffffff;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
        }

        /* 浮动客服 */
        .float-service {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .float-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: transform var(--transition-speed);
            border: 1px solid var(--border-glow);
        }
        .float-btn:hover {
            transform: scale(1.05);
        }
        .float-qrcode {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #ffffff;
            border: 1px solid var(--border-glow);
            border-radius: 8px;
            padding: 10px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
        }
        .float-qrcode img {
            width: 120px;
            height: 120px;
        }
        .float-qrcode p {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 5px;
            white-space: nowrap;
        }
        .float-btn:hover .float-qrcode {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid, .scene-grid, .grid-3, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .training-cards {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--bg-primary);
                flex-direction: column;
                padding: 40px;
                transition: left var(--transition-speed);
                border-top: 1px solid var(--border-glow);
            }
            .nav-menu.active {
                left: 0;
            }
            .hamburger {
                display: flex;
            }
            .about-layout, .contact-layout {
                grid-template-columns: 1fr;
            }
            .stats-grid, .scene-grid, .grid-3, .reviews-grid, .flow-grid, .pricing-list, .ency-grid, .articles-list {
                grid-template-columns: 1fr;
            }
            .training-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }