/* 文章详情页样式 */

/* 面包屑导航 */
.breadcrumb-section {
    background-color: #f8f9fa;
    padding: 20px 0;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb a {
    color: #1890ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #40a9ff;
}

.breadcrumb .separator {
    color: #999;
}

.breadcrumb .current {
    color: #666;
}

/* 文章布局 */
.article-section {
    padding: 40px 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

/* 文章主体 */
.article-main {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.article-header {
    padding: 30px 30px 20px;
    border-bottom: 1px solid #f0f0f0;
}

.article-category {
    display: inline-block;
    background-color: #e6f7ff;
    color: #1890ff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 15px;
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    line-height: 1.3;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.meta-left {
    display: flex;
    gap: 20px;
    color: #666;
    font-size: 14px;
}

.meta-right {
    display: flex;
    gap: 10px;
}

.share-btn, .like-btn {
    padding: 8px 16px;
    border: 1px solid #d9d9d9;
    background-color: #fff;
    color: #666;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.share-btn:hover, .like-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

/* 文章内容 */
.article-content {
    padding: 30px;
}

.article-image {
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
}

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

.content-text {
    line-height: 1.8;
    color: #333;
}

.content-text .lead {
    font-size: 18px;
    color: #666;
    font-style: italic;
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-left: 4px solid #1890ff;
    border-radius: 0 8px 8px 0;
}

.content-text h2 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin: 40px 0 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.content-text h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin: 30px 0 15px;
}

.content-text p {
    margin-bottom: 20px;
    text-align: justify;
}

.article-tags {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #f0f0f0;
}

.tag {
    display: inline-block;
    background-color: #f5f5f5;
    color: #666;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    margin-right: 10px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.tag:hover {
    background-color: #1890ff;
    color: #fff;
}

/* 文章底部 */
.article-footer {
    padding: 20px 30px;
    background-color: #f8f9fa;
    border-top: 1px solid #f0f0f0;
}

.article-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 1px solid #d9d9d9;
    background-color: #fff;
    color: #666;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.action-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
    transform: translateY(-2px);
}

.action-btn .icon {
    font-size: 16px;
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.author-card, .related-articles, .popular-tags {
    background-color: #fff;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.author-card {
    text-align: center;
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 15px;
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-name {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.author-title {
    color: #1890ff;
    font-size: 14px;
    margin-bottom: 15px;
}

.author-desc {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 14px;
}

.follow-btn {
    width: 100%;
    padding: 10px;
    background-color: #1890ff;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-size: 14px;
}

.follow-btn:hover {
    background-color: #40a9ff;
}

.related-articles h3, .popular-tags h3 {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

.related-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.related-item {
    display: flex;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease;
}

.related-item:hover {
    transform: translateX(5px);
}

.related-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-content h4 {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-category {
    font-size: 12px;
    color: #1890ff;
    background-color: #e6f7ff;
    padding: 2px 8px;
    border-radius: 10px;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-item {
    display: inline-block;
    background-color: #f5f5f5;
    color: #666;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.tag-item:hover {
    background-color: #1890ff;
    color: #fff;
}

/* 评论区 */
.comments-section {
    padding: 40px 0;
    background-color: #f8f9fa;
}

.comment-form {
    background-color: #fff;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.form-header {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    flex-shrink: 0;
}

.comment-input {
    flex: 1;
    min-height: 100px;
    padding: 15px;
    border: 2px solid #e6f7ff;
    border-radius: 8px;
    resize: vertical;
    font-size: 14px;
    line-height: 1.6;
    outline: none;
    transition: border-color 0.3s ease;
}

.comment-input:focus {
    border-color: #1890ff;
}

.form-footer {
    text-align: right;
}

.submit-comment {
    padding: 10px 24px;
    background-color: #1890ff;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.submit-comment:hover {
    background-color: #40a9ff;
}

/* 评论列表 */
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.comment-item {
    display: flex;
    gap: 15px;
    background-color: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.comment-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.comment-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comment-content {
    flex: 1;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.comment-author {
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.comment-time {
    color: #999;
    font-size: 12px;
}

.comment-text {
    color: #333;
    line-height: 1.6;
    margin-bottom: 15px;
}

.comment-actions {
    display: flex;
    gap: 15px;
}

.comment-actions button {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 12px;
    transition: color 0.3s ease;
}

.comment-actions button:hover {
    color: #1890ff;
}

/* 加载更多 */
.load-more {
    text-align: center;
    margin-top: 30px;
}

.load-more-btn {
    padding: 12px 30px;
    background-color: #fff;
    color: #666;
    border: 1px solid #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.load-more-btn:hover {
    border-color: #1890ff;
    color: #1890ff;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .article-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .article-header {
        padding: 20px 20px 15px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .article-content {
        padding: 20px;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .meta-left {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .article-actions {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .action-btn {
        flex: 1;
        justify-content: center;
    }
    
    .comment-form {
        padding: 20px;
    }
    
    .form-header {
        flex-direction: column;
    }
    
    .comment-item {
        flex-direction: column;
        gap: 10px;
    }
    
    .comment-avatar {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .article-section {
        padding: 20px 0;
    }
    
    .article-header {
        padding: 15px 15px 10px;
    }
    
    .article-content {
        padding: 15px;
    }
    
    .article-footer {
        padding: 15px;
    }
    
    .comments-section {
        padding: 20px 0;
    }
    
    .comment-form {
        padding: 15px;
    }
}