:root {
            --primary-blue: #1a73e8;
            --dark-blue: #0d47a1;
            --light-blue: #e8f0fe;
            --accent-blue: #4285f4;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
        }
        
        /* 导航栏样式 */
        .navbar {
            background-color: var(--primary-blue);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .navbar-brand {
            font-weight: 700;
            color: white !important;
            font-size: 1.5rem;
        }
        
        .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            padding: 0.5rem 1rem;
            transition: all 0.3s;
        }
        
        .nav-link:hover {
            color: white !important;
            transform: translateY(-2px);
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            background-color: transparent;
            padding: 1rem 0;
            margin-bottom: 0;
        }
        
        .breadcrumb-item a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .breadcrumb-item a:hover {
            color: var(--dark-blue);
            text-decoration: underline;
        }
        
        /* 页面标题 */
        .article-header {
            background-color: var(--light-blue);
            padding: 3rem 0;
            margin-bottom: 3rem;
        }
        
        .article-title {
            color: var(--dark-blue);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .article-meta {
            color: #666;
        }
        
        /* 内容区域 */
        .article-content {
            background-color: white;
            border-radius: 8px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 3rem;
        }
        
        .article-img {
            max-width: 100%;
            height: auto;
            margin: 1.5rem 0;
            border-radius: 8px;
        }
        
        .article-body h2 {
            color: var(--dark-blue);
            font-weight: 600;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-blue);
        }
        
        .article-body h3 {
            color: var(--primary-blue);
            font-weight: 600;
            margin: 1.5rem 0 0.75rem;
        }
        
        .article-body p {
            margin-bottom: 1.25rem;
        }
        
        .article-body blockquote {
            border-left: 4px solid var(--primary-blue);
            background-color: var(--light-blue);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            font-style: italic;
        }
        
        .article-body ul, 
        .article-body ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        
        .article-body img {
            max-width: 100%;
            height: auto;
            margin: 1.5rem 0;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        /* 标签 */
        .article-tags {
            margin: 2rem 0;
            padding: 1rem 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
        }
        
        .tag {
            display: inline-block;
            background-color: var(--light-blue);
            color: var(--primary-blue);
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            margin: 0.2rem;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .tag:hover {
            background-color: var(--primary-blue);
            color: white;
        }
        
        /* 分享按钮 */
        .share-buttons {
            margin: 2rem 0;
        }
        
        .share-btn {
            display: inline-block;
            width: 40px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            border-radius: 50%;
            color: white;
            margin-right: 0.5rem;
            transition: all 0.3s;
        }
        
        .share-btn:hover {
            transform: translateY(-3px);
        }
        
        .share-weibo {
            background-color: #e6162d;
        }
        
        .share-wechat {
            background-color: #07C160;
        }
        
        .share-qq {
            background-color: #12B7F5;
        }
        
        .share-linkedin {
            background-color: #0077B5;
        }
        
        .share-twitter {
            background-color: #1DA1F2;
        }
        
        /* 相关文章 */
        .related-article {
            margin-bottom: 2rem;
        }
        
        .related-article .card {
            border: none;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .related-article .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .related-article .card-img-top {
            height: 150px;
            object-fit: cover;
        }
        
        .related-article .card-title {
            color: var(--dark-blue);
            font-weight: 600;
            margin-bottom: 0.5rem;
            font-size: 1rem;
        }
        
        /* 评论区域 */
        .comment-area {
            background-color: white;
            border-radius: 8px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 3rem;
        }
        
        .comment-title {
            color: var(--dark-blue);
            font-weight: 700;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        
        .comment-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background-color: var(--accent-blue);
        }
        
        .comment-list {
            list-style: none;
            padding: 0;
        }
        
        .comment-item {
            padding: 1.5rem 0;
            border-bottom: 1px solid #eee;
        }
        
        .comment-item:last-child {
            border-bottom: none;
        }
        
        .comment-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 1rem;
        }
        
        .comment-author {
            font-weight: 600;
            color: var(--dark-blue);
            margin-bottom: 0.25rem;
        }
        
        .comment-meta {
            color: #666;
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
        }
        
        .comment-content {
            color: #555;
        }
        
        .comment-form .form-control {
            margin-bottom: 1rem;
        }
        
        /* 侧边栏 */
        .sidebar-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 2rem;
        }
        
        .sidebar-header {
            background-color: var(--primary-blue);
            color: white;
            padding: 0.75rem 1.25rem;
            font-weight: 600;
        }
        
        .sidebar-body {
            padding: 1.25rem;
        }
        
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .sidebar-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #eee;
        }
        
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        
        .sidebar-list a {
            color: #555;
            text-decoration: none;
            transition: all 0.3s;
            display: block;
        }
        
        .sidebar-list a:hover {
            color: var(--primary-blue);
            transform: translateX(5px);
        }
        
        /* 页脚 */
        .footer {
            background-color: var(--dark-blue);
            color: white;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        
        .footer-title {
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        
        .footer-link {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: all 0.3s;
        }
        
        .footer-link:hover {
            color: white;
            text-decoration: none;
            transform: translateX(5px);
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .article-header {
                padding: 2rem 0;
            }
            
            .article-title {
                font-size: 1.8rem;
            }
            
            .navbar-brand {
                font-size: 1.2rem;
            }
            
            .article-content {
                padding: 1.5rem;
            }
        }