<style>
        /* 全新极简配色方案 */
        :root {
            --primary: #2E7D32; /* 绿色主题，更易阅读 */
            --primary-dark: #1B5E20;
            --primary-light: #4CAF50;
            --secondary: #37474F;
            --accent: #FF5722; /* 橙色强调色 */
            --accent-light: #FF8A65;
            --light: #FAFAFA;
            --dark: #263238;
            --text: #37474F;
            --text-light: #78909C;
            --border: #CFD8DC;
            --card-bg: #FFFFFF;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.08);
            --radius: 6px;
            --radius-lg: 12px;
        }
        
        /* 基础重置 */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        
        /* 蜘蛛友好字体和行高 */
        body {
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7; /* 更好的可读性 */
            color: var(--text);
            background-color: var(--light);
            font-size: 16px; /* 标准字体大小，蜘蛛友好 */
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        /* 链接样式 */
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
            border-bottom: 1px solid transparent;
        }
        
        a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent-light);
        }
        
        /* 容器 */
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 实用类 */
        .hidden { display: none !important; }
        .text-center { text-align: center; }
        .mb-2 { margin-bottom: 12px; }
        .mb-3 { margin-bottom: 18px; }
        .mb-4 { margin-bottom: 24px; }
        .mb-5 { margin-bottom: 32px; }
        .py-4 { padding: 20px 0; }
        .py-5 { padding: 30px 0; }
        
        /* 顶部进度条 - 新样式 */
        .progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            z-index: 1001;
            width: 0%;
        }
        
        /* 头部 - 全新极简设计 */
        .header {
            background-color: var(--card-bg);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border);
        }
        
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--primary-dark);
        }
        
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 50%;
            margin-right: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
        }
        
        .nav {
            display: flex;
            gap: 25px;
        }
        
        .nav a {
            color: var(--secondary);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        
        .nav a.active {
            color: var(--primary);
        }
        
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--primary);
            border-radius: 3px;
        }
        
        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--dark);
        }
        
        /* 移动导航 */
        .mobile-nav {
            background-color: var(--card-bg);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            z-index: 999;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        
        .mobile-nav .nav {
            display: flex;
            flex-direction: column;
            padding: 20px 0;
            gap: 0;
        }
        
        .mobile-nav .nav a {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border);
        }
        
        /* 面包屑 - 新设计 */
        .breadcrumb {
            font-size: 0.9rem;
            color: var(--text-light);
            padding: 15px 0;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        
        .breadcrumb a {
            color: var(--text-light);
        }
        
        .breadcrumb span {
            color: var(--text);
            font-weight: 500;
        }
        
        .breadcrumb-separator {
            margin: 0 8px;
            color: var(--border);
        }
        
        /* 主布局 - 全新结构：内容在左侧，侧边栏在右侧 */
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin-bottom: 50px;
        }
        
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        
        /* 主内容区 */
        .main-content {
            background-color: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        
        /* 文章头部 */
        .article-header {
            padding: 30px;
            border-bottom: 1px solid var(--border);
        }
        
        .article-tag {
            display: inline-block;
            background-color: rgba(46, 125, 50, 0.1);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        .article-title {
            font-size: 2rem;
            line-height: 1.3;
            margin-bottom: 15px;
            color: var(--dark);
            font-weight: 700;
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        
        .author {
            display: flex;
            align-items: center;
        }
        
        .author img {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            margin-right: 10px;
            object-fit: cover;
        }
        
        /* 文章内容 */
        .article-body {
            padding: 30px;
        }
        
        .article-excerpt {
            background-color: rgba(255, 87, 34, 0.05);
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin-bottom: 25px;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        
        .article-excerpt h3 {
            color: var(--accent);
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        
        /* 文章内容样式 */
        .article-content h2 {
            font-size: 1.6rem;
            margin: 28px 0 18px;
            color: var(--dark);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }
        
        .article-content h3 {
            font-size: 1.3rem;
            margin: 24px 0 15px;
            color: var(--secondary);
        }
        
        .article-content p {
            margin-bottom: 18px;
            line-height: 1.8;
        }
        
        .article-content ul, .article-content ol {
            margin: 20px 0;
            padding-left: 24px;
        }
        
        .article-content li {
            margin-bottom: 10px;
            line-height: 1.7;
        }
        
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 20px 0;
            display: block;
        }
        
        .image-container {
            margin: 25px 0;
            text-align: center;
        }
        
        .image-container img {
            box-shadow: var(--shadow);
        }
        
        .highlight-box {
            background-color: rgba(46, 125, 50, 0.05);
            border-radius: var(--radius);
            padding: 20px;
            margin: 25px 0;
            border-left: 4px solid var(--primary);
        }
        
        .highlight-box h3 {
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        /* 标签 */
        .tags-container {
            margin-top: 30px;
            padding-top: 25px;
            border-top: 1px solid var(--border);
        }
        
        .tags-title {
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .tag {
            background-color: rgba(46, 125, 50, 0.08);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
        }
        
        .tag:hover {
            background-color: var(--primary);
            color: white;
        }
        
        /* 侧边栏 - 右侧 */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .sidebar-widget {
            background-color: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        
        .sidebar-title {
            font-size: 1.1rem;
            margin-bottom: 18px;
            color: var(--dark);
            display: flex;
            align-items: center;
            font-weight: 600;
        }
        
        .sidebar-title i {
            margin-right: 10px;
            color: var(--primary);
        }
        
        /* 搜索框 */
        .search-box {
            position: relative;
            margin-bottom: 15px;
        }
        
        .search-box input {
            width: 100%;
            padding: 12px 15px 12px 45px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 0.95rem;
            background-color: white;
            transition: all 0.3s ease;
        }
        
        .search-box input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.1);
        }
        
        .search-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
        }
        
        /* 目录 */
        .toc-list {
            list-style: none;
            padding: 0;
        }
        
        .toc-list li {
            margin-bottom: 12px;
            padding-left: 0;
        }
        
        .toc-list a {
            color: var(--text);
            font-size: 0.95rem;
            display: block;
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
        }
        
        .toc-list a:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        
        /* 相关文章 */
        .related-articles {
            margin: 40px 0;
        }
        
        .related-title {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: var(--dark);
            font-weight: 700;
        }
        
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
        }
        
        .article-item {
            background-color: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            border: 1px solid var(--border);
            height: 100%;
        }
        
        .article-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        
        .article-item-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        
        .article-item-content {
            padding: 20px;
        }
        
        .article-item-category {
            font-size: 0.8rem;
            color: var(--primary);
            margin-bottom: 8px;
            font-weight: 600;
            text-transform: uppercase;
        }
        
        .article-item-title {
            font-size: 1.1rem;
            margin-bottom: 12px;
            line-height: 1.4;
            color: var(--dark);
            font-weight: 600;
        }
        
        .article-item-meta {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        
        /* 页脚 - 新设计 */
        .footer {
            background-color: var(--dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 50px 0 25px;
            margin-top: 60px;
        }
        
        .footer-inner {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        
        .footer-col h3 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
            font-weight: 600;
        }
        
        .footer-col ul {
            list-style: none;
        }
        
        .footer-col li {
            margin-bottom: 12px;
        }
        
        .footer-col a {
            color: rgba(255, 255, 255, 0.75);
        }
        
        .footer-col a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 25px;
            margin-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }
        
        /* 回到顶部按钮 */
        .back-to-top {
            position: fixed;
            bottom: 25px;
            right: 25px;
            width: 48px;
            height: 48px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 999;
            border: none;
            font-size: 1.2rem;
        }
        
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav {
                display: none;
            }
            
            .menu-toggle {
                display: block;
            }
            
            .article-title {
                font-size: 1.6rem;
            }
            
            .article-meta {
                flex-direction: column;
                gap: 8px;
            }
            
            .header-inner {
                height: 60px;
            }
            
            .articles-grid {
                grid-template-columns: 1fr;
            }
            
            .article-header, .article-body {
                padding: 20px;
            }
        }
        
        /* SEO优化特定样式 */
        .structured-data {
            display: none;
        }
        
        /* 蜘蛛友好的隐藏内容（不显示但可抓取） */
        .seo-content {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
    </style>