:root {
            --primary: #00e676;
            --primary-dark: #00c853;
            --primary-light: #b9f6ca;
            --dark: #121212;
            --dark-gray: #1e1e1e;
            --light-gray: #f5f5f7;
            --text-dark: #1d1d1f;
            --text-muted: #86868b;
            --border: #e5e5ea;
            --accent: #00e676;
            --max-width: 1200px;
        }

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

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

        /* 统一布局容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

        /* 鲜绿夺目风格的通用标题 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--dark);
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            margin-top: 15px;
            font-size: 1.1rem;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--dark);
            box-shadow: 0 4px 14px rgba(0, 230, 118, 0.4);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 230, 118, 0.6);
        }

        .btn-dark {
            background-color: var(--dark);
            color: #ffffff;
        }

        .btn-dark:hover {
            background-color: #333333;
            transform: translateY(-2px);
        }

        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--dark);
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: var(--dark);
            transform: translateY(-2px);
        }

        /* 导航栏 */
        header.nav-header {
            position: sticky;
            top: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .nav-container {
            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-box span {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: 1px;
        }

        .logo-box span span {
            color: var(--primary-dark);
        }

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

        .nav-link {
            color: var(--text-dark);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.3s;
        }

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

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

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

        /* 首屏 Hero 区域 (无图片) */
        .hero-section {
            background: linear-gradient(135deg, #f9fbf9 0%, #e8f5e9 100%);
            padding: 100px 0 120px 0;
            position: relative;
            overflow: hidden;
            border-bottom: none;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0,230,118,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 10;
        }

        .hero-badge {
            background-color: rgba(0, 230, 118, 0.15);
            color: var(--primary-dark);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
            border: 1px solid rgba(0, 230, 118, 0.3);
        }

        h1.hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 24px;
        }

        h1.hero-title span {
            background: linear-gradient(120deg, var(--dark) 0%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* 数据指标卡片 */
        .stats-section {
            background-color: var(--dark);
            color: #ffffff;
            padding: 50px 0;
            border-bottom: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-card h3 {
            font-size: 2.8rem;
            color: var(--primary);
            font-weight: 800;
            margin-bottom: 5px;
        }

        .stat-card p {
            color: #cccccc;
            font-size: 0.95rem;
        }

        /* 关于我们 & 平台介绍 */
        .about-section {
            background-color: #ffffff;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .about-feature-item {
            padding: 15px;
            background-color: var(--light-gray);
            border-radius: 8px;
            border-left: 4px solid var(--primary);
        }

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

        .about-feature-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .about-media {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .about-media img {
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            width: 100%;
        }

        /* 全平台 AIGC 服务 */
        .services-section {
            background-color: var(--light-gray);
        }

        .model-tags-container {
            margin-top: 30px;
            background: #ffffff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .model-tags-title {
            text-align: center;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-item {
            padding: 8px 16px;
            background-color: var(--light-gray);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--dark);
            border: 1px solid var(--border);
            transition: all 0.3s;
        }

        .tag-item:hover {
            background-color: var(--primary);
            color: var(--dark);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* 一站式AIGC制作 & 解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 30px;
        }

        .solution-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s;
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 230, 118, 0.15);
            border-color: var(--primary);
        }

        .solution-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            margin-bottom: 20px;
            font-size: 1.5rem;
            font-weight: bold;
        }

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

        .solution-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 标准化AIGC流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            margin-top: 40px;
        }

        .process-step {
            background-color: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 15px auto;
        }

        .process-step h4 {
            margin-bottom: 10px;
            color: var(--dark);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            margin-top: 30px;
            background-color: #ffffff;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.04);
            border: 1px solid var(--border);
        }

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

        table.comparison-table th, table.comparison-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
        }

        table.comparison-table th {
            background-color: var(--dark);
            color: #ffffff;
            font-weight: 600;
        }

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

        table.comparison-table tr.highlight-row {
            background-color: rgba(0, 230, 118, 0.05);
        }

        table.comparison-table tr.highlight-row td {
            font-weight: bold;
        }

        .rating-badge {
            background-color: var(--primary);
            color: var(--dark);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
        }

        /* Token 比价参考 */
        .price-section {
            background-color: var(--light-gray);
        }

        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .price-card {
            background: #ffffff;
            border-radius: 12px;
            border: 1px solid var(--border);
            padding: 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
        }

        .price-card.popular {
            border: 2px solid var(--primary);
            transform: scale(1.03);
        }

        .price-card.popular::before {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: -30px;
            background-color: var(--primary);
            color: var(--dark);
            font-size: 0.75rem;
            font-weight: bold;
            padding: 4px 30px;
            transform: rotate(45deg);
        }

        .price-card h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 20px;
        }

        .price-num span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .price-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .price-features li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 0.9rem;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 职业技术与培训 */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .training-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .training-item {
            background-color: var(--light-gray);
            border-radius: 8px;
            padding: 20px;
            border-left: 5px solid var(--primary-dark);
        }

        .training-item h4 {
            color: var(--dark);
            margin-bottom: 8px;
        }

        .training-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: #ffffff;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: var(--light-gray);
        }

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

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background-color: var(--light-gray);
            border-radius: 12px;
            padding: 24px;
            position: relative;
        }

        .review-text {
            font-style: italic;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .author-info h5 {
            font-size: 0.95rem;
            color: var(--dark);
        }

        .author-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 常见用户问题 FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-question {
            padding: 20px;
            background-color: #ffffff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--dark);
            transition: background-color 0.3s;
        }

        .faq-question:hover {
            background-color: var(--light-gray);
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary-dark);
            transition: transform 0.3s;
        }

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

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.9rem;
            background-color: #fafafa;
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 300px;
            border-top: 1px solid var(--border);
        }

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

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: flex-start;
        }

        .contact-info-panel {
            background-color: var(--dark);
            color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            height: 100%;
        }

        .contact-info-panel h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .contact-info-panel p {
            color: #cccccc;
            margin-bottom: 30px;
        }

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

        .info-list li {
            margin-bottom: 20px;
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .info-list li strong {
            color: var(--primary);
            min-width: 80px;
            display: inline-block;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

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

        .qr-item img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            border: 4px solid #ffffff;
            background-color: #ffffff;
        }

        .qr-item p {
            margin-top: 8px;
            font-size: 0.8rem;
            color: #ffffff;
        }

        .form-panel {
            background-color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(0,0,0,0.04);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 0.95rem;
            transition: border-color 0.3s;
        }

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

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

        /* 行业资讯 / 知识库 / AI 术语百科 */
        .info-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .articles-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 20px;
            transition: all 0.3s;
        }

        .article-card:hover {
            border-color: var(--primary);
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

        .article-card h4 {
            margin-bottom: 10px;
        }

        .article-card h4 a {
            color: var(--dark);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .encyclopedia-card {
            background-color: var(--light-gray);
            border-radius: 12px;
            padding: 30px;
        }

        .encyclopedia-card h3 {
            margin-bottom: 20px;
            color: var(--dark);
        }

        .term-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .term-item dt {
            font-weight: 700;
            color: var(--primary-dark);
        }

        .term-item dd {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-left: 0;
            margin-top: 5px;
        }

        /* 页脚与友情链接 */
        footer {
            background-color: var(--dark);
            color: #ffffff;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
        }

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

        .footer-logo h3 {
            color: #ffffff;
            margin-bottom: 15px;
            font-size: 1.5rem;
        }

        .footer-logo h3 span {
            color: var(--primary);
        }

        .footer-logo p {
            color: #999999;
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .footer-links h4 {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

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

        .footer-links ul li {
            margin-bottom: 12px;
        }

        .footer-links ul li a {
            color: #cccccc;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .friend-links {
            border-top: 1px solid #333333;
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friend-links h4 {
            color: #999999;
            font-size: 0.85rem;
            margin-bottom: 15px;
            text-transform: uppercase;
        }

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

        .friend-links-list a {
            color: #888888;
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid #333333;
            padding-top: 30px;
            text-align: center;
            color: #888888;
            font-size: 0.8rem;
        }

        /* 浮动组件 */
        .floating-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 15px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,230,118,0.3);
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-btn .tooltip {
            position: absolute;
            right: 60px;
            background-color: var(--dark);
            color: #ffffff;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .float-btn:hover .tooltip {
            opacity: 1;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .about-grid, .training-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .solutions-grid, .case-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .price-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 0 auto;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            h1.hero-title {
                font-size: 2.2rem;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .solutions-grid, .case-grid, .reviews-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }