/* ===== 基础样式 ===== */
        :root {
            --primary-color: #1a73e8;
            --secondary-color: #0d47a1;
            --accent-color: #34a853;
            --warning-color: #f9a825;
            --text-color: #333;
            --light-text: #666;
            --bg-color: #fff;
            --light-bg: #f8f9fa;
            --border-color: #e0e0e0;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--bg-color);
        }
        
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: color 0.3s;
        }
        
        a:hover {
            color: var(--secondary-color);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .btn {
            display: inline-block;
            padding: 10px 20px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 4px;
            font-weight: 500;
            transition: background-color 0.3s;
        }
        
        .btn:hover {
            background-color: var(--secondary-color);
            color: white;
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }
        
        .btn-outline:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        .btn-light {
            background-color: white;
            color: var(--primary-color);
        }
        
        .btn-light:hover {
            background-color: rgba(255, 255, 255, 0.9);
        }
        
        /* ===== 通用组件样式 ===== */
        
        /* 头部样式 */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 40px;
            margin-right: 10px;
        }
        
        .logo h1 {
            font-size: 24px;
            color: var(--primary-color);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 30px;
        }
        
        nav ul li a {
            font-weight: 500;
            color: var(--text-color);
        }
        
        nav ul li a.active {
            color: var(--primary-color);
        }
        
        nav ul li a:hover {
            color: var(--primary-color);
        }
        
        .mobile-menu {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 15px 0;
            font-size: 0.9rem;
        }
        
        .breadcrumb a {
            color: var(--light-text);
        }
        
        .breadcrumb span {
            color: var(--light-text);
            margin: 0 5px;
        }
        
        .breadcrumb .current {
            color: var(--primary-color);
        }
        
        /* 页面标题区域 */
        .page-header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        
        .page-header h1 {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }
        
        .page-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 英雄区域 */
        .hero {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 80px 0;
            text-align: center;
        }
        
        .hero h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        
        /* 区域标题 */
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 2rem;
            color: var(--text-color);
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: var(--light-text);
            max-width: 600px;
            margin: 0 auto;
        }
        
        /* 卡片网格布局 */
        .feature-grid, .blog-grid, .tutorial-grid, .specs-grid, 
        .platform-grid, .overview-grid, .values-grid, .team-grid,
        .stats-grid, .related-grid {
            display: grid;
            gap: 30px;
        }
        
        /* 卡片通用样式 */
        .feature-card, .blog-card, .tutorial-card, .specs-card,
        .platform-card, .overview-card, .value-card, .team-member,
        .stat-card, .related-card {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .feature-card:hover, .blog-card:hover, .tutorial-card:hover,
        .platform-card:hover, .overview-card:hover, .value-card:hover,
        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        /* 图标样式 */
        .feature-icon, .overview-icon, .mv-icon, .value-icon, .platform-icon {
            font-size: 40px;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .overview-icon {
            font-size: 50px;
        }
        
        .mv-icon {
            font-size: 50px;
        }
        
        .value-icon {
            width: 70px;
            height: 70px;
            background-color: var(--light-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 30px;
        }
        
        .platform-icon {
            font-size: 50px;
        }
        
        /* 特色区域 */
        .features {
            padding: 80px 0;
            background-color: var(--light-bg);
        }
        
        .feature-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }
        
        .feature-card {
            padding: 30px;
        }
        
        .feature-card h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .feature-card p {
            color: var(--light-text);
        }
        
        /* 博客区域 */
        .blog {
            padding: 80px 0;
        }
        
        .blog-grid {
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        }
        
        .blog-card {
            overflow: hidden;
        }
        
        .blog-image {
            height: 200px;
            background-color: var(--light-bg);
            background-size: cover;
            background-position: center;
        }
        
        .blog-content {
            padding: 25px;
        }
        
        .blog-meta {
            display: flex;
            margin-bottom: 15px;
            font-size: 0.9rem;
            color: var(--light-text);
        }
        
        .blog-meta span {
            margin-right: 15px;
        }
        
        .blog-content h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .blog-content p {
            color: var(--light-text);
            margin-bottom: 20px;
        }
        
        /* 教程区域 */
        .tutorials {
            padding: 80px 0;
            background-color: var(--light-bg);
        }
        
        .tutorial-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }
        
        .tutorial-content {
            padding: 25px;
        }
        
        /* 难度标签 */
        .difficulty-tag, .tutorial-level {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        
        .difficulty-beginner, .tutorial-level.beginner {
            background-color: #e8f5e9;
            color: var(--accent-color);
        }
        
        .difficulty-intermediate, .tutorial-level.intermediate {
            background-color: #e3f2fd;
            color: var(--primary-color);
        }
        
        .difficulty-advanced, .tutorial-level.advanced {
            background-color: #ffebee;
            color: #e53935;
        }
        
        .tutorial-meta {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
        }
        
        .tutorial-duration {
            display: flex;
            align-items: center;
            font-size: 0.9rem;
            color: var(--light-text);
        }
        
        .tutorial-duration:before {
            content: "⏱";
            margin-right: 5px;
        }
        
        .tutorial-content h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .tutorial-content p {
            color: var(--light-text);
            margin-bottom: 20px;
        }
        
        /* 产品特性区域 */
        .product-features {
            padding: 80px 0;
        }
        
        .feature-list {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .feature-item {
            display: flex;
            margin-bottom: 40px;
            align-items: flex-start;
        }
        
        .feature-icon {
            flex: 0 0 60px;
            font-size: 30px;
            color: var(--primary-color);
            margin-right: 20px;
        }
        
        .feature-text h3 {
            margin-bottom: 10px;
            font-size: 1.3rem;
        }
        
        .feature-text p {
            color: var(--light-text);
        }
        
        /* 技术规格区域 */
        .tech-specs {
            padding: 80px 0;
        }
        
        .specs-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }
        
        .specs-card {
            padding: 30px;
        }
        
        .specs-card h3 {
            margin-bottom: 20px;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
        }
        
        .specs-card h3 .icon {
            margin-right: 10px;
            font-size: 24px;
            color: var(--primary-color);
        }
        
        .specs-list {
            list-style: none;
        }
        
        .specs-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
        }
        
        .specs-list li:last-child {
            border-bottom: none;
        }
        
        .spec-name {
            color: var(--light-text);
        }
        
        .spec-value {
            font-weight: 500;
        }
        
        /* 性能对比区域 */
        .performance {
            padding: 80px 0;
            background-color: var(--light-bg);
        }
        
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
        }
        
        .comparison-table th, .comparison-table td {
            padding: 15px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        
        .comparison-table th {
            background-color: var(--light-bg);
            font-weight: 600;
        }
        
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        
        .feature-supported {
            color: var(--accent-color);
            font-weight: 500;
        }
        
        .feature-unsupported {
            color: #f44336;
        }
        
        /* 平台支持区域 */
        .platforms {
            padding: 80px 0;
        }
        
        .platform-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
        
        .platform-card {
            padding: 30px;
            text-align: center;
        }
        
        .platform-card h3 {
            margin-bottom: 10px;
            font-size: 1.3rem;
        }
        
        .platform-card p {
            color: var(--light-text);
            margin-bottom: 20px;
        }
        
        /* CTA区域 */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2.2rem;
            margin-bottom: 20px;
        }
        
        .cta-section p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        /* 特性概览区域 */
        .features-overview {
            padding: 80px 0;
        }
        
        .overview-grid {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
        
        .overview-card {
            padding: 30px;
            text-align: center;
        }
        
        .overview-card h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .overview-card p {
            color: var(--light-text);
        }
        
        /* 核心特性区域 */
        .core-features {
            padding: 80px 0;
            background-color: var(--light-bg);
        }
        
        .feature-tabs {
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .tab-headers {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .tab-header {
            padding: 12px 25px;
            background-color: white;
            border: none;
            border-bottom: 3px solid transparent;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .tab-header.active {
            border-bottom-color: var(--primary-color);
            color: var(--primary-color);
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
        }
        
        .feature-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        
        .feature-text {
            flex: 1;
        }
        
        .feature-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        
        .feature-text p {
            margin-bottom: 20px;
            color: var(--light-text);
        }
        
        .feature-list {
            list-style: none;
            margin-bottom: 30px;
        }
        
        .feature-list li {
            margin-bottom: 10px;
            padding-left: 25px;
            position: relative;
        }
        
        .feature-list li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent-color);
            font-weight: bold;
        }
        
        .feature-image {
            flex: 1;
            min-width: 300px;
            height: 300px;
            background-color: var(--primary-color);
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
        }
        
        /* 教程指南区域 */
        .tutorials-guide {
            padding: 60px 0;
        }
        
        .guide-container {
            display: flex;
            gap: 40px;
        }
        
        .guide-sidebar {
            flex: 0 0 280px;
        }
        
        .guide-content {
            flex: 1;
        }
        
        /* 搜索和筛选 */
        .search-filter {
            background-color: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
        }
        
        .search-box {
            position: relative;
            margin-bottom: 20px;
        }
        
        .search-box input {
            width: 100%;
            padding: 12px 15px 12px 45px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 1rem;
        }
        
        .search-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--light-text);
        }
        
        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .filter-group {
            flex: 1;
            min-width: 150px;
        }
        
        .filter-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            font-size: 0.9rem;
        }
        
        .filter-group select {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background-color: white;
        }
        
        /* 侧边栏组件 */
        .sidebar-widget {
            background-color: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
        }
        
        .sidebar-widget h3 {
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
            font-size: 1.3rem;
        }
        
        .category-list {
            list-style: none;
        }
        
        .category-list li {
            margin-bottom: 12px;
        }
        
        .category-list a {
            color: var(--text-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .category-list a:hover {
            color: var(--primary-color);
        }
        
        .category-count {
            background-color: var(--light-bg);
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 0.8rem;
            color: var(--light-text);
        }
        
        .progress-widget .progress-item {
            margin-bottom: 15px;
        }
        
        .progress-item h4 {
            font-size: 0.95rem;
            margin-bottom: 5px;
        }
        
        .progress-bar {
            height: 8px;
            background-color: var(--light-bg);
            border-radius: 4px;
            overflow: hidden;
        }
        
        .progress-fill {
            height: 100%;
            background-color: var(--accent-color);
            border-radius: 4px;
        }
        
        /* 学习路径 */
        .learning-path {
            margin: 60px 0;
            background-color: var(--light-bg);
            padding: 50px 0;
            border-radius: 8px;
        }
        
        .path-steps {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            margin-top: 40px;
        }
        
        .path-step {
            flex: 1;
            min-width: 200px;
            max-width: 250px;
            text-align: center;
            position: relative;
        }
        
        .path-step:not(:last-child):after {
            content: "";
            position: absolute;
            top: 40px;
            right: -15px;
            width: 30px;
            height: 2px;
            background-color: var(--border-color);
        }
        
        .step-icon {
            width: 80px;
            height: 80px;
            background-color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 30px;
            color: var(--primary-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .path-step h3 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        
        .path-step p {
            color: var(--light-text);
            font-size: 0.9rem;
        }
        
        /* 常见问题 */
        .faq-section {
            margin: 60px 0;
        }
        
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            margin-bottom: 20px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
        }
        
        .faq-question {
            padding: 20px;
            background-color: white;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 500;
        }
        
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s, padding 0.3s;
        }
        
        .faq-item.active .faq-answer {
            padding: 0 20px 20px;
            max-height: 500px;
        }
        
        .faq-toggle {
            font-size: 1.2rem;
            transition: transform 0.3s;
        }
        
        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }
        
        /* 关于我们内容区域 */
        .about-content {
            padding: 80px 0;
        }
        
        /* 品牌故事 */
        .brand-story {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 80px;
        }
        
        .story-text {
            flex: 1;
        }
        
        .story-text h2 {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--text-color);
        }
        
        .story-text p {
            margin-bottom: 20px;
            color: var(--light-text);
        }
        
        .story-image {
            flex: 1;
            min-width: 300px;
            height: 350px;
            background-color: var(--primary-color);
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
        }
        
        /* 使命愿景 */
        .mission-vision {
            background-color: var(--light-bg);
            padding: 80px 0;
            margin: 80px 0;
        }
        
        .mv-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }
        
        .mv-card {
            background-color: white;
            border-radius: 8px;
            padding: 40px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
        }
        
        .mv-card h3 {
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        
        .mv-card p {
            color: var(--light-text);
        }
        
        /* 价值观 */
        .values {
            margin-bottom: 80px;
        }
        
        .values-grid {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
        
        .value-card {
            padding: 30px;
            text-align: center;
        }
        
        .value-card h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .value-card p {
            color: var(--light-text);
        }
        
        /* 团队介绍 */
        .team {
            margin-bottom: 80px;
        }
        
        .team-grid {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }
        
        .team-member {
            text-align: center;
        }
        
        .member-photo {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background-color: var(--light-bg);
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary-color);
        }
        
        .team-member h3 {
            margin-bottom: 10px;
        }
        
        .team-member .position {
            color: var(--primary-color);
            font-weight: 500;
            margin-bottom: 10px;
        }
        
        .team-member p {
            color: var(--light-text);
            margin-bottom: 15px;
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 10px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 35px;
            height: 35px;
            border-radius: 50%;
            background-color: var(--light-bg);
            color: var(--light-text);
        }
        
        .social-links a:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        /* 发展历程 */
        .timeline {
            margin-bottom: 80px;
            background-color: var(--light-bg);
            padding: 80px 0;
        }
        
        .timeline-container {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .timeline-container:before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background-color: var(--border-color);
            transform: translateX(-50%);
        }
        
        .timeline-item {
            position: relative;
            margin-bottom: 50px;
            width: 100%;
        }
        
        .timeline-item:nth-child(odd) .timeline-content {
            margin-left: auto;
            padding-left: 40px;
        }
        
        .timeline-item:nth-child(even) .timeline-content {
            margin-right: auto;
            padding-right: 40px;
            text-align: right;
        }
        
        .timeline-content {
            width: 45%;
            background-color: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .timeline-year {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--primary-color);
            color: white;
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: 500;
            z-index: 1;
        }
        
        .timeline-content h3 {
            margin-bottom: 10px;
            font-size: 1.3rem;
        }
        
        .timeline-content p {
            color: var(--light-text);
        }
        
        /* 统计数据 */
        .stats {
            margin-bottom: 80px;
        }
        
        .stats-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
        
        .stat-card {
            text-align: center;
            padding: 30px;
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .stat-label {
            color: var(--light-text);
            font-size: 1.1rem;
        }
        
        /* 联系方式 */
        .contact {
            background-color: var(--light-bg);
            padding: 80px 0;
        }
        
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }
        
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }
        
        .contact-icon {
            font-size: 24px;
            color: var(--primary-color);
            flex: 0 0 30px;
        }
        
        .contact-details h3 {
            margin-bottom: 5px;
            font-size: 1.2rem;
        }
        
        .contact-details p {
            color: var(--light-text);
        }
        
        .contact-form {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .contact-form h3 {
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }
        
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
        }
        
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        
        /* 文章详情区域 */
        .article-detail {
            padding: 40px 0;
        }
        
        .article-container {
            display: flex;
            gap: 40px;
        }
        
        .article-content {
            flex: 1;
            min-width: 0; /* 防止flex元素溢出 */
        }
        
        .article-sidebar {
            flex: 0 0 300px;
        }
        
        .article-header {
            margin-bottom: 30px;
        }
        
        .article-meta {
            display: flex;
            margin-bottom: 15px;
            font-size: 0.9rem;
            color: var(--light-text);
        }
        
        .article-meta span {
            margin-right: 15px;
        }
        
        .article-title {
            font-size: 2.2rem;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--text-color);
        }
        
        .article-excerpt {
            font-size: 1.1rem;
            color: var(--light-text);
            margin-bottom: 20px;
            padding: 15px;
            background-color: var(--light-bg);
            border-left: 4px solid var(--primary-color);
        }
        
        .article-featured-image {
            width: 100%;
            height: 400px;
            background-color: var(--light-bg);
            margin-bottom: 30px;
            border-radius: 8px;
            background: linear-gradient(135deg, #e3f2fd, #bbdefb);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 1.5rem;
        }
        
        /* 文章正文样式 */
        .article-body {
            font-size: 1.1rem;
            line-height: 1.8;
        }
        
        .article-body h2 {
            font-size: 1.8rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .article-body h3 {
            font-size: 1.5rem;
            margin: 30px 0 15px;
        }
        
        .article-body p {
            margin-bottom: 20px;
        }
        
        .article-body ul, .article-body ol {
            margin-bottom: 20px;
            padding-left: 30px;
        }
        
        .article-body li {
            margin-bottom: 10px;
        }
        
        .article-body blockquote {
            border-left: 4px solid var(--primary-color);
            padding: 15px 20px;
            margin: 25px 0;
            background-color: var(--light-bg);
            font-style: italic;
        }
        
        .article-body code {
            background-color: var(--light-bg);
            padding: 2px 6px;
            border-radius: 4px;
            font-family: 'Courier New', monospace;
        }
        
        .article-body pre {
            background-color: #2d2d2d;
            color: #f8f8f2;
            padding: 20px;
            border-radius: 8px;
            overflow-x: auto;
            margin: 25px 0;
        }
        
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
        }
        
        .article-body th, .article-body td {
            border: 1px solid var(--border-color);
            padding: 12px 15px;
            text-align: left;
        }
        
        .article-body th {
            background-color: var(--light-bg);
        }
        
        .info-box {
            background-color: #e3f2fd;
            border-left: 4px solid var(--primary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        
        .info-box h4 {
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        /* 文章目录 */
        .article-toc {
            background-color: var(--light-bg);
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 30px;
            position: sticky;
            top: 100px;
        }
        
        .article-toc h3 {
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        
        .article-toc ul {
            list-style: none;
            padding-left: 0;
        }
        
        .article-toc li {
            margin-bottom: 8px;
        }
        
        .article-toc a {
            color: var(--light-text);
            display: block;
            padding: 5px 0;
        }
        
        .article-toc a:hover {
            color: var(--primary-color);
        }
        
        .article-toc .toc-level-2 {
            padding-left: 15px;
            font-size: 0.95rem;
        }
        
        /* 侧边栏组件 */
        .related-articles ul {
            list-style: none;
        }
        
        .related-articles li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .related-articles li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .related-articles a {
            color: var(--text-color);
            font-weight: 500;
        }
        
        .related-articles a:hover {
            color: var(--primary-color);
        }
        
        .related-meta {
            font-size: 0.85rem;
            color: var(--light-text);
            margin-top: 5px;
        }
        
        .tags-widget .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .tags-widget .tag {
            display: inline-block;
            padding: 5px 12px;
            background-color: var(--light-bg);
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--light-text);
        }
        
        .tags-widget .tag:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        /* 文章操作栏 */
        .article-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin: 40px 0;
            padding: 20px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        
        .social-share {
            display: flex;
            gap: 10px;
        }
        
        .social-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--light-bg);
            color: var(--light-text);
        }
        
        .social-share a:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        /* 评论区 */
        .comments-section {
            margin: 60px 0;
        }
        
        .comments-section h2 {
            font-size: 1.8rem;
            margin-bottom: 30px;
        }
        
        .comment-form {
            background-color: var(--light-bg);
            padding: 30px;
            border-radius: 8px;
            margin-bottom: 40px;
        }
        
        .comment-form h3 {
            margin-bottom: 20px;
        }
        
        .comment-list {
            list-style: none;
        }
        
        .comment {
            padding: 25px 0;
            border-bottom: 1px solid var(--border-color);
        }
        
        .comment:last-child {
            border-bottom: none;
        }
        
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
        }
        
        .comment-author {
            font-weight: 500;
        }
        
        .comment-date {
            color: var(--light-text);
            font-size: 0.9rem;
        }
        
        .comment-reply {
            margin-top: 15px;
            font-size: 0.9rem;
        }
        
        /* 相关文章 */
        .related-posts {
            margin: 60px 0;
        }
        
        .related-posts h2 {
            font-size: 1.8rem;
            margin-bottom: 30px;
        }
        
        .related-grid {
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        }
        
        .related-card {
            overflow: hidden;
        }
        
        .related-image {
            height: 180px;
            background-color: var(--light-bg);
        }
        
        .related-content {
            padding: 20px;
        }
        
        .related-meta {
            display: flex;
            margin-bottom: 10px;
            font-size: 0.85rem;
            color: var(--light-text);
        }
        
        .related-meta span {
            margin-right: 15px;
        }
        
        .related-content h3 {
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        
        /* 合规声明 */
        .compliance {
            background-color: var(--light-bg);
            padding: 40px 0;
            text-align: center;
        }
        
        .compliance p {
            max-width: 800px;
            margin: 0 auto;
            color: var(--light-text);
            font-size: 0.9rem;
        }
        
        /* 页脚 */
        footer {
            background-color: #202124;
            color: #9aa0a6;
            padding: 60px 0 30px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: #9aa0a6;
        }
        
        .footer-column ul li a:hover {
            color: white;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #3c4043;
            font-size: 0.9rem;
        }
        
        /* ===== 响应式设计 ===== */
        @media (max-width: 1200px) {
            .container {
                max-width: 960px;
            }
        }
        
        @media (max-width: 992px) {
            .container {
                max-width: 720px;
            }
            
            .guide-container, .article-container {
                flex-direction: column;
            }
            
            .guide-sidebar, .article-sidebar {
                flex: 1;
            }
            
            .article-toc {
                position: static;
            }
            
            .feature-content {
                flex-direction: column;
            }
            
            .feature-image {
                width: 100%;
            }
            
            .brand-story {
                flex-direction: column;
            }
            
            .story-image {
                width: 100%;
            }
            
            .timeline-container:before {
                left: 30px;
            }
            
            .timeline-item:nth-child(odd) .timeline-content,
            .timeline-item:nth-child(even) .timeline-content {
                width: calc(100% - 80px);
                margin-left: 80px;
                text-align: left;
                padding-left: 20px;
                padding-right: 20px;
            }
            
            .timeline-year {
                left: 0;
                transform: translateX(0);
            }
            
            .path-step:not(:last-child):after {
                display: none;
            }
        }
        
        @media (max-width: 768px) {
            .container {
                max-width: 540px;
            }
            
            nav {
                display: none;
            }
            
            .mobile-menu {
                display: block;
            }
            
            .page-header h1, .hero h2 {
                font-size: 2rem;
            }
            
            .page-header p, .hero p {
                font-size: 1rem;
            }
            
            .filter-options {
                flex-direction: column;
            }
            
            .tutorials-grid, .blog-grid {
                grid-template-columns: 1fr;
            }
            
            .tab-headers {
                flex-direction: column;
                align-items: center;
            }
            
            .tab-header {
                width: 100%;
                text-align: center;
                margin-bottom: 5px;
            }
            
            .comparison-table {
                display: block;
                overflow-x: auto;
            }
            
            .mv-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .container {
                padding: 0 10px;
            }
            
            .page-header, .hero {
                padding: 60px 0;
            }
            
            .features, .blog, .tutorials, .product-features, 
            .tech-specs, .performance, .platforms, .features-overview,
            .core-features, .about-content, .mission-vision, .values,
            .team, .timeline, .stats, .contact, .tutorials-guide,
            .article-detail {
                padding: 60px 0;
            }
            
            .cta-section {
                padding: 60px 0;
            }
            
            .section-title {
                margin-bottom: 40px;
            }
            
            .feature-grid, .overview-grid, .values-grid, .team-grid,
            .stats-grid, .platform-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .article-title {
                font-size: 1.8rem;
            }
            
            .article-featured-image {
                height: 250px;
            }
        }