/* 面包屑导航 */
        .breadcrumb {
            padding: 20px 0;
            background: var(--light-color);
        }
        
        .breadcrumb-content {
            display: flex;
            align-items: center;
            font-size: 0.9rem;
        }
        
        .breadcrumb-content a {
            color: var(--secondary-color);
        }
        
        .breadcrumb-content span {
            margin: 0 10px;
            color: #999;
        }
        
        /* 文章内容 */
        .article-detail {
            padding: 40px 0;
            background: white;
        }
        
        .article-container {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 40px;
        }
        
        .article-header {
            margin-bottom: 30px;
        }
        
        .article-title {
            color: var(--primary-color);
            font-size: 2.2rem;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            color: #666;
            font-size: 0.9rem;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            margin-right: 20px;
        }
        
        .meta-item i {
            margin-right: 5px;
        }
        
        .article-image {
            margin-bottom: 30px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .article-content {
            font-size: 1.1rem;
            line-height: 1.8;
        }
        
        .article-content h2 {
            color: var(--primary-color);
            margin: 30px 0 15px;
            font-size: 1.6rem;
        }
        
        .article-content h3 {
            color: var(--primary-color);
            margin: 25px 0 15px;
            font-size: 1.3rem;
        }
        
        .article-content p {
            margin-bottom: 20px;
        }
        
        .article-content ul, .article-content ol {
            margin-bottom: 20px;
            padding-left: 20px;
        }
        
        .article-content li {
            margin-bottom: 10px;
        }
        
        .info-box {
            background: var(--light-color);
            padding: 20px;
            border-left: 4px solid var(--accent-color);
            margin: 25px 0;
            border-radius: 0 5px 5px 0;
        }
        
        .info-box h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            margin: 30px 0;
        }
        
        .tag {
            background: var(--secondary-color);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.9rem;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        
        .article-actions {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        
        .action-btn {
            display: flex;
            align-items: center;
            color: var(--secondary-color);
            font-weight: 500;
            transition: var(--transition);
        }
        
        .action-btn:hover {
            color: var(--accent-color);
        }
        
        .action-btn i {
            margin-right: 5px;
        }
        
        /* 侧边栏 */
        .sidebar {
            background: var(--light-color);
            border-radius: 10px;
            padding: 25px;
        }
        
        .sidebar-widget {
            margin-bottom: 30px;
        }
        
        .sidebar-title {
            color: var(--primary-color);
            margin-bottom: 20px;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .sidebar-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--accent-color);
        }
        
        .popular-articles {
            list-style: none;
        }
        
        .popular-item {
            display: flex;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #ddd;
        }
        
        .popular-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .popular-image {
            width: 80px;
            height: 60px;
            border-radius: 5px;
            overflow: hidden;
            margin-right: 15px;
            flex-shrink: 0;
        }
        
        .popular-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .popular-content h4 {
            font-size: 0.95rem;
            margin-bottom: 5px;
            line-height: 1.4;
        }
        
        .popular-content h4 a {
            color: var(--dark-color);
            transition: var(--transition);
        }
        
        .popular-content h4 a:hover {
            color: var(--secondary-color);
        }
        
        .popular-date {
            font-size: 0.8rem;
            color: #666;
        }
        
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .tag-sidebar {
            background: white;
            color: var(--dark-color);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .tag-sidebar:hover {
            background: var(--secondary-color);
            color: white;
        }
        
        /* 相关文章 */
        .related-articles {
            padding: 60px 0;
            background: var(--light-color);
        }
        
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .related-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .related-image {
            height: 180px;
            overflow: hidden;
        }
        
        .related-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .related-card:hover .related-image img {
            transform: scale(1.1);
        }
        
        .related-content {
            padding: 20px;
        }
        
        .related-content h3 {
            color: var(--primary-color);
            margin-bottom: 10px;
            font-size: 1.2rem;
            line-height: 1.4;
        }
        
        .related-content h3 a {
            color: inherit;
            transition: var(--transition);
        }
        
        .related-content h3 a:hover {
            color: var(--secondary-color);
        }
        
        .related-meta {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            font-size: 0.85rem;
            color: #666;
        }
        
        .related-meta span {
            margin-right: 15px;
            display: flex;
            align-items: center;
        }
        
        .related-meta i {
            margin-right: 5px;
        }
        
   
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .article-container {
                grid-template-columns: 1fr;
            }
            
            .article-title {
                font-size: 1.8rem;
            }
        }
        
        @media (max-width: 768px) {
            .article-title {
                font-size: 1.6rem;
            }
            
            .article-meta {
                flex-wrap: wrap;
            }
            
            .meta-item {
                margin-bottom: 10px;
            }
            
            .related-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .article-title {
                font-size: 1.4rem;
            }
            
            .article-actions {
                flex-direction: column;
                gap: 15px;
            }
            
            .action-btn {
                justify-content: center;
            }
        }