body{
    background-color: #f5f5f5;
}
.main-content{
    margin-top: 80px;
}
.breadcrumb-section{
    padding: 20px 0;
    background-color: #fff;
}
.breadcrumb-container{
    max-width: 1226px;
    margin: 0 auto;
}
.breadcrumb-container a{
    color: #333;
}
.breadcrumb-container a:hover{
    color: #000;
}
.breadcrumb-container span{
    color: #999;
}

/* 新闻详情区域 */
.article-detail-section {
    padding: 40px 0;
    background-color: #fff;
}

.article-detail-container {
    max-width: 1226px;
    margin: 0 auto;
    display: flex;
    gap: 40px;
}

/* 主要内容区域 */
.article-main {
    flex: 1;
    min-width: 0;
}

.article-header {
    margin-bottom: 30px;
}

.article-title {
    font-size: 28px;
    font-weight: bold;
    color: #000;
    margin: 0 0 15px 0;
    line-height: 1.4;
}

.article-meta {
    font-size: 14px;
    color: #999;
    margin: 0;
}

.article-content {
    margin-bottom: 40px;
}

.article-image {
    margin: 30px 0;
}

.article-image img {
    width: 100%;
    height: auto;
    display: block;
}

.article-text {
    margin: 30px 0;
}

.article-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #000;
    margin: 0 0 20px 0;
    text-align: left;
}

.article-text p:last-child {
    margin-bottom: 0;
}

/* 文章导航 */
.article-navigation {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.nav-item {
    flex: 1;
    background-color: #fff;
    border-radius: 8px;
    border-top: 4px solid #e74c3c;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-title {
    font-size: 16px;
    color: #000;
    margin-bottom: 15px;
    padding-bottom: 5px;
    border-bottom: 2px solid #e74c3c;
    width: max-content;
    font-weight: 500;
}

.nav-article-title {
    font-size: 16px;
    color: #000;
    margin-bottom: 10px;
    line-height: 1.4;
    font-weight: 500;
}

.nav-article-meta {
    font-size: 12px;
    color: #999;
}

/* 侧边栏 */
.article-sidebar {
    width: 300px;
    flex-shrink: 0;
}

.sidebar-title {
    font-size: 18px;
    color: #000;
    padding-bottom: 5px;
    border-bottom: 3px solid #e74c3c;
    width: max-content;
    margin: 20px;
}

.related-articles {
    background-color: #fff;
    border-radius: 8px;
    border-top: 5px solid #e74c3c;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.related-item {
    padding: 15px 20px;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s ease;
}

.related-item:last-child {
    border-bottom: none;
}

.related-item:hover {
    background-color: #f8f8f8;
}

.related-title {
    font-size: 14px;
    color: #000;
    margin-bottom: 8px;
    line-height: 1.4;
    cursor: pointer;
    font-weight: 500;
}

.related-title:hover {
    color: #e74c3c;
}

.related-meta {
    font-size: 12px;
    color: #999;
}

@media (max-width: 1024px) {
    .breadcrumb-container,
    .article-detail-container {
        padding: 20px;
    }
    
    .article-detail-container {
        gap: 30px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .article-sidebar {
        width: 280px;
    }
    
    .nav-item {
        padding: 15px;
        border-radius: 6px;
    }
    
    .nav-title {
        font-size: 14px;
    }
    
    .nav-article-title {
        font-size: 14px;
    }
    
    .related-articles {
        border-radius: 6px;
    }
    
    .related-item {
        padding: 12px 15px;
    }
}

@media (max-width: 768px) {
    .main-content{
        margin-top: 60px;
    }

    .breadcrumb-section{
        padding: 0;
    } 

    .breadcrumb-container,
    .article-detail-container {
        padding: 10px;
    }
    
    .article-detail-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .article-sidebar {
        width: 100%;
    }
    
    .article-title {
        font-size: 20px;
    }
    
    .article-text p {
        font-size: 14px;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-item {
        padding: 12px;
        border-radius: 4px;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    }
    
    .nav-title {
        font-size: 14px;
    }
    
    .nav-article-title {
        font-size: 13px;
    }
    
    .sidebar-title {
        font-size: 16px;
    }
    
    .related-articles {
        border-radius: 4px;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
    }
    
    .related-item {
        padding: 10px 15px;
    }
    
    .related-title {
        font-size: 13px;
    }
}