:root {
            --primary: #FF007A; /* 潮流玫红 */
            --secondary: #00F0FF; /* 电光蓝 */
            --dark: #0B0B0F; /* 深底色 */
            --light-bg: #F8F9FD;
            --text-dark: #121214;
            --text-muted: #66666E;
            --border-color: #E2E8F0;
            --neon-purple: #7B2CBF;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
        }

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

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

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

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

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 5px 10px;
            border-radius: 4px;
        }

        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(255, 0, 122, 0.05);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--neon-purple));
            color: #fff;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 15px rgba(255, 0, 122, 0.3);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 122, 0.4);
            color: #fff;
        }

        /* 移动端菜单开关 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

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

        /* Hero首屏 - 无图片，纯色与渐变几何块 */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.15), transparent 40%),
                        radial-gradient(circle at 20% 80%, rgba(255, 0, 122, 0.1), transparent 50%),
                        #ffffff;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            filter: blur(120px);
            top: 10%;
            left: 10%;
            opacity: 0.3;
            pointer-events: none;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 122, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #111 30%, var(--primary) 70%, var(--neon-purple) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--neon-purple));
            color: white;
            box-shadow: 0 8px 25px rgba(255, 0, 122, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(255, 0, 122, 0.45);
            color: white;
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--text-dark);
            border: 2px solid var(--border-color);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* 核心卖点小数据卡片 */
        .hero-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .hero-feat-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(5px);
            padding: 24px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .hero-feat-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary);
            box-shadow: 0 15px 35px rgba(0, 240, 255, 0.1);
        }

        .hero-feat-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

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

        /* 板块公用样式 */
        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

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

        /* 关于我们 & 平台介绍 */
        .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(--text-dark);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
            line-height: 1.8;
        }

        .platform-points {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .point-item {
            background: #fff;
            padding: 15px;
            border-radius: 10px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

        .point-item h4 {
            font-size: 15px;
            margin-bottom: 5px;
        }

        .point-item p {
            font-size: 12px;
            margin-bottom: 0;
            line-height: 1.4;
        }

        /* 全平台AIGC服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: #fff;
            border-radius: 20px;
            padding: 35px 25px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 15px 35px rgba(255, 0, 122, 0.08);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(255,0,122,0.1), rgba(0,240,255,0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
        }

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

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

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tags span {
            font-size: 11px;
            background: #F1F5F9;
            color: #475569;
            padding: 3px 8px;
            border-radius: 4px;
        }

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

        /* 全行业解决方案 */
        .solutions-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .tab-btn {
            padding: 10px 20px;
            border-radius: 30px;
            background: #fff;
            border: 1px solid var(--border-color);
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }

        .tab-btn.active, .tab-btn:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .solutions-content {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        /* 全国服务网络 & 步骤流程 */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            position: relative;
        }

        .step-card {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            position: relative;
            box-shadow: 0 5px 20px rgba(0,0,0,0.02);
        }

        .step-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 32px;
            font-weight: 800;
            color: rgba(255, 0, 122, 0.1);
        }

        /* 价格比价 & 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            margin-bottom: 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);
        }

        th {
            background-color: #F8FAFC;
            font-weight: 700;
        }

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

        .score-highlight {
            color: var(--primary);
            font-size: 24px;
            font-weight: 800;
        }

        /* 案例中心 & 图片素材区 */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .case-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.06);
        }

        .case-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
            background: #eaeaea;
        }

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

        .case-info {
            padding: 24px;
        }

        .case-info h4 {
            font-size: 18px;
            margin-bottom: 10px;
        }

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

        /* 客户评论卡片 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.02);
            border-top: 4px solid var(--secondary);
        }

        .review-text {
            font-style: italic;
            font-size: 14px;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .review-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 14px;
        }

        .user-info h4 {
            font-size: 14px;
            margin-bottom: 2px;
        }

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

        /* 人工智能培训 & 知识百科 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .train-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

        .train-card:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 25px rgba(255, 0, 122, 0.05);
            transform: translateY(-3px);
        }

        .train-badge {
            display: inline-block;
            padding: 4px 10px;
            background: #F1F5F9;
            border-radius: 4px;
            font-size: 11px;
            color: #64748B;
            margin-bottom: 12px;
        }

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

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

        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

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

        .faq-item.active .faq-answer {
            padding: 20px 24px;
            max-height: 500px;
            border-top-width: 1px;
        }

        .faq-icon::after {
            content: '+';
            font-size: 20px;
            font-weight: bold;
        }

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

        /* 需求匹配表单 */
        .form-section {
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 15px 45px rgba(0,0,0,0.03);
            max-width: 700px;
            margin: 0 auto;
            padding: 45px;
            border: 1px solid var(--border-color);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 0, 122, 0.15);
        }

        textarea.form-control {
            height: 120px;
            resize: vertical;
        }

        /* 最新文章 */
        .article-list {
            list-style: none;
        }

        .article-item {
            padding: 15px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .article-item:last-child {
            border-bottom: none;
        }

        .article-link {
            font-weight: 600;
            font-size: 15px;
        }

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

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-cloud span {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
        }

        /* 浮动客服 */
        .float-kefu {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary), var(--neon-purple));
            color: white;
            padding: 12px 20px;
            border-radius: 30px;
            box-shadow: 0 10px 30px rgba(255, 0, 122, 0.3);
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
        }

        .kefu-modal {
            display: none;
            position: fixed;
            bottom: 100px;
            right: 40px;
            z-index: 1000;
            background: white;
            border-radius: 16px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.15);
            padding: 25px;
            width: 280px;
            border: 1px solid var(--border-color);
        }

        .kefu-modal.active {
            display: block;
        }

        .kefu-qr {
            width: 100%;
            margin-bottom: 15px;
            border-radius: 8px;
        }

        /* 底部信息区 */
        footer {
            background-color: var(--dark);
            color: #94A3B8;
            padding: 70px 0 30px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-logo-wrap {
            margin-bottom: 20px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
        }

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

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

        .friend-links {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links a {
            color: #64748B;
            font-size: 13px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 30px;
            text-align: center;
            font-size: 12px;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-grid, .grid-2col, .footer-grid {
                grid-template-columns: 1fr;
            }

            .hero h1 {
                font-size: 32px;
            }

            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #fff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }

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

            .menu-toggle {
                display: flex;
            }
        }