     :root {
            --primary-color: #1a5276;
            --secondary-color: #2980b9;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
        }
        
        /* 顶部导航栏样式 - 与首页保持一致 */
        .navbar-custom {
            background-color: var(--primary-color);
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .navbar-custom .navbar-brand {
            font-weight: 700;
            color: white;
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            background-color: transparent;
            padding: 0.75rem 0;
        }
        
        /* 文章头部 */
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 1.5rem;
        }
        
        .article-title {
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--dark-color);
        }
        
        .article-meta {
            color: #6c757d;
            font-size: 0.875rem;
            margin-bottom: 1rem;
        }
        
        .article-meta .separator {
            margin: 0 0.5rem;
        }
        
        .article-category {
            display: inline-block;
            font-size: 0.75rem;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            background-color: #e9ecef;
            color: var(--dark-color);
        }
        
        /* 文章内容 */
        .article-content {
            line-height: 1.8;
            margin-bottom: 3rem;
        }
        
        .article-content img {
            max-width: 100%;
            height: auto;
            margin: 1.5rem 0;
            border-radius: 4px;
        }
        
        .article-content p {
            margin-bottom: 1.25rem;
        }
        
        .article-content h2, 
        .article-content h3, 
        .article-content h4 {
            margin: 2rem 0 1rem;
            font-weight: 600;
            color: var(--dark-color);
        }
        
        .article-content h2 {
            font-size: 1.5rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 0.5rem;
        }
        
        .article-content h3 {
            font-size: 1.25rem;
        }
        
        .article-content h4 {
            font-size: 1.1rem;
        }
        
        .article-content blockquote {
            border-left: 4px solid var(--secondary-color);
            padding: 0.5rem 1rem;
            margin: 1.5rem 0;
            background-color: #f8f9fa;
            color: #555;
        }
        
        /* 相关文章 */
        .related-articles {
            margin: 3rem 0;
        }
        
        .related-article-card {
            transition: transform 0.3s;
            height: 100%;
            border: 1px solid rgba(0,0,0,0.1);
        }
        
        .related-article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .related-article-card .card-img-top {
            height: 150px;
            object-fit: cover;
        }
        
        /* 评论区域 */
        .comments-section {
            margin: 3rem 0;
            border-top: 1px solid #eee;
            padding-top: 2rem;
        }
        
        .comment {
            border-bottom: 1px solid #eee;
            padding: 1.5rem 0;
        }
        
        .comment:last-child {
            border-bottom: none;
        }
        
        .comment-author {
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        .comment-date {
            color: #6c757d;
            font-size: 0.875rem;
        }
        
        .comment-text {
            margin-top: 0.75rem;
            line-height: 1.6;
        }
        
        /* 分享按钮 */
        .share-buttons {
            margin: 2rem 0;
        }
        
        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: white;
            margin-right: 0.5rem;
            transition: opacity 0.3s;
        }
        
        .share-btn:hover {
            opacity: 0.9;
            color: white;
        }
        
        /* 页脚样式 - 与首页保持一致 */
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 40px 0;
        }