/* 极致鲜亮风全局样式定义 */
        :root {
            --primary: #0052ff;
            --primary-bright: #00f2fe;
            --accent: #ff007f;
            --neutral-dark: #0f172a;
            --neutral-body: #334155;
            --neutral-light: #f8fafc;
            --white: #ffffff;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
            --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.05), 0 10px 10px -5px rgba(0,0,0,0.02);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            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(--neutral-light);
            color: var(--neutral-body);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        h1, h2, h3, h4 {
            color: var(--neutral-dark);
            font-weight: 700;
            line-height: 1.3;
        }

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

        /* 极致鲜亮背景网格与光效装饰，非图片 */
        .bg-glow {
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.08) 0%, rgba(0, 242, 254, 0.03) 70%, transparent 100%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 1;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #00c6ff);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(0, 82, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.4);
            color: var(--white);
        }

        .btn-secondary {
            background-color: var(--white);
            color: var(--primary);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            background-color: var(--neutral-light);
            border-color: var(--primary);
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-area img {
            height: 40px;
            width: auto;
        }

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

        .nav-links a {
            color: var(--neutral-dark);
            font-size: 14px;
            font-weight: 500;
        }

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

        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--neutral-dark);
        }

        /* 首屏 Hero 区域 (严格无图片) */
        #hero {
            background: radial-gradient(100% 100% at 50% 0%, rgba(0, 242, 254, 0.08) 0%, rgba(248, 250, 252, 1) 100%);
            padding: 100px 0 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(0, 82, 255, 0.06);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(0, 82, 255, 0.1);
        }

        .hero-title {
            font-size: 44px;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--neutral-dark) 40%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            max-width: 700px;
            margin: 0 auto 32px auto;
            font-size: 18px;
            color: var(--neutral-body);
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
        }

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

        .stat-card {
            background-color: var(--white);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 14px;
            color: var(--neutral-body);
            font-weight: 500;
        }

        /* 通用标题 */
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }

        .section-header h2 {
            font-size: 32px;
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--neutral-body);
            font-size: 16px;
        }

        /* 关于我们 */
        #about {
            background-color: var(--white);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 16px;
        }

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

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }

        .tag-item {
            background-color: var(--neutral-light);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--neutral-dark);
            border: 1px solid var(--border-color);
        }

        /* 全平台AIGC服务体系 */
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .service-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 20px;
        }

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

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

        /* 流程步骤：全自动AIGC制作流程 + 标准化服务全流程 + 时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--white);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -10px;
        }

        .timeline-content {
            padding: 20px;
            background-color: var(--white);
            position: relative;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .timeline-content h3 {
            margin-bottom: 8px;
            font-size: 18px;
            color: var(--primary);
        }

        /* 解决方案区 */
        #solutions {
            background-color: var(--white);
        }

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

        .network-card {
            background-color: var(--white);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .network-list {
            list-style: none;
        }

        .network-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            justify-content: space-between;
        }

        .network-list li:last-child {
            border-bottom: none;
        }

        .network-badge {
            background-color: rgba(0, 82, 255, 0.1);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
        }

        /* 技术标准 */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tech-box {
            background-color: var(--white);
            padding: 24px;
            border-radius: 8px;
            border-top: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* 客户案例中心 */
        #cases {
            background-color: var(--white);
        }

        .case-gallery {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

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

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .case-img-container {
            width: 100%;
            height: 240px;
            overflow: hidden;
            position: relative;
        }

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

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

        .case-body {
            padding: 24px;
        }

        .case-badge {
            background-color: var(--accent);
            color: var(--white);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-body h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .case-body p {
            font-size: 14px;
            color: var(--neutral-body);
        }

        /* 2x2 方版和横版组合展示区 */
        .assets-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .asset-card {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            height: 220px;
        }

        .asset-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .asset-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            padding: 20px;
            color: var(--white);
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background-color: var(--white);
            margin-top: 30px;
        }

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

        th, td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        th {
            background-color: var(--neutral-light);
            color: var(--neutral-dark);
            font-weight: 600;
        }

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

        .highlight-cell {
            background-color: rgba(0, 82, 255, 0.02);
            font-weight: 600;
            color: var(--primary);
        }

        /* Token 比价参考与价格参考 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

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

        .price-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .price-card.featured::top-badge {
            content: '推荐';
        }

        .price-val {
            font-size: 36px;
            font-weight: 800;
            color: var(--neutral-dark);
            margin: 20px 0;
        }

        .price-val span {
            font-size: 14px;
            font-weight: 400;
            color: var(--neutral-body);
        }

        /* 培训体系 */
        #training {
            background-color: var(--white);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .training-card {
            background-color: var(--neutral-light);
            padding: 24px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .training-card:hover {
            background-color: var(--white);
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .training-card h4 {
            font-size: 16px;
            margin-bottom: 8px;
        }

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

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

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--neutral-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            background-color: rgba(0, 82, 255, 0.02);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 14px;
            color: var(--neutral-body);
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-answer {
            padding: 18px 24px;
            max-height: 300px;
            border-top-color: var(--border-color);
        }

        .faq-icon::after {
            content: '+';
            font-size: 18px;
            font-weight: bold;
        }

        .faq-item.active .faq-icon::after {
            content: '−';
        }

        /* 常见问题排查与术语百科 */
        .faq-meta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 40px;
        }

        .meta-box {
            background-color: var(--white);
            padding: 24px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .meta-box h3 {
            font-size: 18px;
            margin-bottom: 16px;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

        /* 客户评论卡片 */
        #testimonials {
            background-color: var(--white);
        }

        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .comment-card {
            background-color: var(--neutral-light);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 18px;
        }

        .user-info h4 {
            font-size: 15px;
            margin-bottom: 2px;
        }

        .user-info p {
            font-size: 12px;
            color: var(--neutral-body);
        }

        .comment-text {
            font-size: 14px;
            color: var(--neutral-body);
            line-height: 1.5;
        }

        /* 行业资讯 / 知识库 */
        .article-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h3 {
            font-size: 16px;
            margin-bottom: 12px;
            color: var(--neutral-dark);
        }

        .article-card p {
            font-size: 13px;
            color: var(--neutral-body);
            margin-bottom: 16px;
        }

        .article-link {
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 智能需求匹配与联系我们 */
        #contact {
            background-color: var(--white);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 48px;
        }

        .contact-form {
            background-color: var(--neutral-light);
            padding: 40px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

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

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

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

        .form-group input, 
        .form-group select, 
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 14px;
            background-color: var(--white);
            color: var(--neutral-dark);
            outline: none;
            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(0, 82, 255, 0.1);
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-card {
            background-color: var(--neutral-light);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            margin-bottom: 20px;
        }

        .info-card h3 {
            margin-bottom: 16px;
            font-size: 18px;
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 14px;
        }

        .qr-area {
            text-align: center;
            padding: 20px;
            background-color: var(--white);
            border-radius: 8px;
            border: 1px solid var(--border-color);
            margin-top: 20px;
        }

        .qr-area img {
            max-width: 130px;
            height: auto;
            margin-bottom: 8px;
        }

        /* 浮动客服 */
        .sticky-kefu {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 16px;
            box-shadow: var(--shadow-lg);
            text-align: center;
            width: 140px;
            transition: var(--transition);
        }

        .sticky-kefu img {
            width: 100px;
            height: 100px;
            margin-bottom: 8px;
            border-radius: 4px;
        }

        .sticky-kefu p {
            font-size: 12px;
            font-weight: 600;
            color: var(--neutral-dark);
        }

        .sticky-kefu-close {
            position: absolute;
            top: 4px;
            right: 8px;
            font-size: 16px;
            cursor: pointer;
            color: var(--neutral-body);
        }

        /* 页脚 */
        footer {
            background-color: var(--neutral-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px 0;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--white);
            margin-bottom: 20px;
            font-size: 16px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 14px;
        }

        .footer-col ul li a:hover {
            color: var(--primary-bright);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 12px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }

        .friend-links a {
            color: rgba(255,255,255,0.5);
            font-size: 12px;
        }

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

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .grid-cards, .comments-grid, .article-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: var(--white);
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .hero-title {
                font-size: 32px;
            }
            .about-grid, .contact-grid, .network-grid {
                grid-template-columns: 1fr;
            }
            .grid-cards, .comments-grid, .article-list, .tech-grid, .price-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .assets-grid {
                grid-template-columns: 1fr;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 21px;
            }
            .right {
                left: 0%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .case-gallery {
                grid-template-columns: 1fr;
            }
        }