/* 变量及重置 */
        :root {
            --primary: #00b894;
            --primary-light: #e8f8f5;
            --primary-dark: #009473;
            --secondary: #0984e3;
            --dark: #2d3436;
            --light: #f5f6fa;
            --text-main: #2d3748;
            --text-muted: #718096;
            --bg-body: #fafcfb;
            --border-color: #e2e8f0;
            --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* 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);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }

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

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

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

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
        }

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

        .nav-menu a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
        }

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

        .nav-btn {
            background-color: var(--primary);
            color: #fff !important;
            padding: 8px 16px;
            border-radius: 6px;
            font-weight: bold;
            font-size: 14px;
        }

        .nav-btn:hover {
            background-color: var(--primary-dark);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .section-title h2 {
            font-size: 32px;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-muted);
            font-size: 16px;
        }

        /* 首屏 Hero 区域 - 无任何图片，纯CSS布局 */
        .hero {
            background: linear-gradient(135deg, #e8f8f5 0%, #ffffff 100%);
            padding: 100px 0 80px 0;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0,184,148,0.1) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
        }

        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .hero-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-dark);
            padding: 6px 15px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(0, 184, 148, 0.2);
        }

        .hero h1 {
            font-size: 40px;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 35px;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .btn-main {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(0, 184, 148, 0.3);
        }

        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 184, 148, 0.4);
        }

        .btn-sub {
            background-color: #fff;
            color: var(--text-main);
            border: 1px solid var(--border-color);
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
        }

        .btn-sub:hover {
            background-color: var(--light);
            border-color: #cbd5e0;
        }

        .hero-features {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .hero-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-main);
            font-weight: 500;
            font-size: 15px;
        }

        .hero-feat-item svg {
            width: 20px;
            height: 20px;
            fill: var(--primary);
        }

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

        .about-text h3 {
            font-size: 26px;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
        }

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

        .stat-card {
            background-color: #fff;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: all 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 全平台 AIGC 服务 */
        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 1000px;
            margin: 0 auto 40px auto;
        }

        .platform-tag {
            background-color: #fff;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s;
        }

        .platform-tag:hover {
            border-color: var(--primary);
            background-color: var(--primary-light);
            color: var(--primary-dark);
            transform: scale(1.05);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: #fff;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
            border-color: var(--primary);
        }

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

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

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .service-icon svg {
            width: 26px;
            height: 26px;
            fill: var(--primary-dark);
        }

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

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

        /* 一站式AIGC制作场景与制作流程 */
        .scene-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 25px;
            margin-bottom: 60px;
        }

        .scene-card {
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 25px;
            text-align: center;
            transition: all 0.3s;
        }

        .scene-card:hover {
            border-color: var(--primary);
            background-color: var(--primary-light);
        }

        .scene-card h4 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* 流程步骤 */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            position: relative;
        }

        .flow-step {
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            margin: 0 auto 20px auto;
            border: 4px solid #fff;
            box-shadow: 0 0 0 1px var(--primary);
        }

        .flow-step h4 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* 对比评测 */
        .rating-box {
            background-color: var(--primary-light);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            max-width: 600px;
            margin: 0 auto 40px auto;
            border: 1px solid rgba(0, 184, 148, 0.2);
        }

        .rating-stars {
            color: #f1c40f;
            font-size: 28px;
            margin-bottom: 10px;
        }

        .rating-score {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .rating-score span {
            font-size: 20px;
            color: var(--text-muted);
            font-weight: normal;
        }

        .compare-table-wrapper {
            overflow-x: auto;
            background-color: #fff;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background-color: #f8fafc;
            color: var(--dark);
            font-weight: 700;
        }

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

        .compare-table td.highlight {
            background-color: rgba(0, 184, 148, 0.03);
            font-weight: 600;
            color: var(--primary-dark);
        }

        /* 案例展示区 - 包含横版/方版素材 */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .case-images {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .case-images img {
            border-radius: 12px;
            width: 100%;
            object-fit: cover;
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .case-content h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 15px;
        }

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

        /* Token 比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .token-card {
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s;
        }

        .token-card:hover {
            border-color: var(--primary);
            box-shadow: 0 5px 15px rgba(0, 184, 148, 0.1);
        }

        .token-info h4 {
            font-size: 16px;
            color: var(--dark);
        }

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

        .token-price {
            text-align: right;
        }

        .token-price .price {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-dark);
        }

        .token-price .unit {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* 职业技术培训 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .train-card {
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 25px;
            text-align: center;
            position: relative;
            transition: all 0.3s;
        }

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

        .train-card h4 {
            font-size: 17px;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .train-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .train-tag {
            display: inline-block;
            background-color: rgba(9, 132, 227, 0.1);
            color: var(--secondary);
            padding: 3px 10px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 智能需求匹配与联系表单 */
        .contact-section {
            background-color: var(--primary-light);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-card {
            background-color: #fff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 14px;
            outline: none;
            transition: all 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
        }

        .btn-submit {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border: none;
            padding: 14px 30px;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            width: 100%;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
            transition: all 0.3s;
        }

        .btn-submit:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 15px rgba(0, 184, 148, 0.3);
        }

        .contact-info-card {
            background-color: #fff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-item {
            margin-bottom: 20px;
        }

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

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

        .qr-wrapper {
            margin-top: 20px;
            text-align: center;
        }

        .qr-wrapper img {
            width: 120px;
            height: 120px;
            border: 1px solid var(--border-color);
            padding: 5px;
            border-radius: 8px;
        }

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .review-card {
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            transition: all 0.3s;
        }

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

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

        .reviewer-info h4 {
            font-size: 16px;
            color: var(--dark);
        }

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

        .review-body {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.6;
        }

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

        .faq-item {
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
        }

        .faq-header {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--dark);
            user-select: none;
            transition: background-color 0.3s;
        }

        .faq-header:hover {
            background-color: #fafbfc;
        }

        .faq-icon {
            font-size: 20px;
            transition: transform 0.3s;
        }

        .faq-body {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .faq-item.active .faq-body {
            padding: 0 20px 20px 20px;
            max-height: 300px;
        }

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

        /* AI术语百科 & 加盟代理 */
        .grid-half {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .agent-card {
            background: linear-gradient(135deg, #10ac84 0%, #00b894 100%);
            color: #fff;
            padding: 40px;
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .agent-card h3 {
            font-size: 28px;
            margin-bottom: 15px;
        }

        .agent-card p {
            font-size: 15px;
            opacity: 0.9;
            margin-bottom: 30px;
        }

        .agent-btn {
            background-color: #fff;
            color: var(--primary-dark);
            padding: 12px 25px;
            border-radius: 6px;
            font-weight: 700;
            align-self: flex-start;
        }

        .agent-btn:hover {
            background-color: var(--primary-light);
        }

        .wiki-card {
            background-color: #fff;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 12px;
        }

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

        .wiki-list li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }

        .wiki-list li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .wiki-list strong {
            color: var(--dark);
            display: block;
            margin-bottom: 5px;
        }

        .wiki-list span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 知识库/行业资讯与友情链接 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-bottom: 50px;
        }

        .news-card {
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 25px;
            transition: all 0.3s;
        }

        .news-card:hover {
            border-color: var(--primary);
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
        }

        .news-card h4 {
            font-size: 16px;
            margin-bottom: 12px;
        }

        .news-card h4 a {
            color: var(--dark);
        }

        .news-card h4 a:hover {
            color: var(--primary);
        }

        .news-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 友情链接区 */
        .friendship-links {
            background-color: #fff;
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friendship-links span {
            font-weight: 600;
            color: var(--dark);
            font-size: 14px;
        }

        .friendship-links a {
            font-size: 13px;
            color: var(--text-muted);
            background-color: var(--light);
            padding: 4px 10px;
            border-radius: 4px;
        }

        .friendship-links a:hover {
            background-color: var(--primary-light);
            color: var(--primary-dark);
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #b2bec3;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

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

        .footer-about p {
            line-height: 1.7;
        }

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

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

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

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

        .footer-contact p {
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid #4a4a4a;
            padding-top: 30px;
            text-align: center;
            font-size: 13px;
        }

        /* 悬浮客服面板 */
        .float-panel {
            position: fixed;
            right: 20px;
            bottom: 100px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: #fff;
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            border: 1px solid var(--border-color);
        }

        .float-item svg {
            width: 24px;
            height: 24px;
            fill: var(--text-main);
        }

        .float-item:hover {
            background-color: var(--primary-light);
        }

        .float-item:hover svg {
            fill: var(--primary-dark);
        }

        .float-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            width: 160px;
            text-align: center;
        }

        .float-popover img {
            width: 100%;
            height: auto;
            margin-bottom: 8px;
        }

        .float-popover p {
            font-size: 12px;
            color: var(--text-main);
            margin: 0;
        }

        .float-item:hover .float-popover {
            display: block;
        }

        /* 移动端响应式适配 */
        @media (max-width: 992px) {
            .about-grid, .contact-grid, .grid-half {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .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;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 30px;
            }
        }