/* =====================================================
   文章内容页基础样式
   ===================================================== */

.article-layout { display: flex; gap: 20px; padding: 20px 0 40px; }
.single-layout { display: flex; gap: 20px; padding: 20px 0 40px; }
.article-main { flex: 1; min-width: 0; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px 30px; }
.article-side { width: 300px; flex-shrink: 0; }

/* 标题区 */
.article-header { border-bottom: 1px solid var(--border); padding-bottom: 16px; margin-bottom: 18px; }
.article-title { font-size: 24px; line-height: 1.5; margin-bottom: 12px; }
.article-meta { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 18px; }
.article-meta .am-cat { color: var(--accent-dark); }
.article-meta .am-views { color: var(--up); }

/* 封面图 */
.article-cover { margin-bottom: 18px; border-radius: 4px; overflow: hidden; }

/* 正文 */
.article-content { font-size: 15px; line-height: 2; color: #2b2b2b; word-break: break-word; }
.article-content p { margin: 12px 0; }
.article-content img { max-width: 100%; height: auto; margin: 12px auto; border-radius: 4px; }
.article-content h2 { font-size: 20px; color: var(--primary); margin: 26px 0 12px; padding-left: 10px; border-left: 4px solid var(--accent); }
.article-content h3 { font-size: 17px; color: var(--primary); margin: 20px 0 10px; }
.article-content h4 { font-size: 15px; margin: 16px 0 8px; }
.article-content a { color: var(--primary-light); text-decoration: underline; }
.article-content a:hover { color: var(--accent-dark); }
.article-content blockquote {
    margin: 14px 0; padding: 12px 16px; background: #f7f9fc; border-left: 4px solid var(--accent);
    color: var(--text-light); font-size: 14px;
}
.article-content table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.article-content th { background: #f2f5fa; color: var(--primary); font-weight: 600; }
.article-content ul, .article-content ol { margin: 12px 0 12px 26px; }
.article-content ul li { list-style: disc; }
.article-content ol li { list-style: decimal; }
.article-content pre {
    background: #0f2d5e; color: #d6e2f7; padding: 14px 16px; border-radius: 4px;
    overflow-x: auto; font-size: 13px; line-height: 1.7; margin: 14px 0;
}
.article-content code { background: #eef2f8; color: #b03a3a; padding: 2px 6px; border-radius: 3px; font-size: 13px; }
.article-content pre code { background: none; color: inherit; padding: 0; }

/* 标签 */
.article-tags { margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--border); }
.article-tags span { color: var(--muted); font-size: 13px; }
.article-tags a {
    display: inline-block; margin: 0 6px 6px 0; padding: 3px 12px; font-size: 12px;
    background: #eef2f8; color: var(--primary-light); border-radius: 3px;
}
.article-tags a:hover { background: var(--primary); color: #fff; }

/* 上下篇 */
.article-prevnext { margin-top: 18px; display: flex; gap: 20px; font-size: 14px; }
.article-prevnext a { flex: 1; color: var(--text-light); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-prevnext a:hover { color: var(--accent-dark); }
.article-prevnext .pn-label { color: var(--accent); font-weight: 600; margin-right: 6px; }

/* 相关阅读 */
.related { margin-top: 24px; }
.related h2 {
    font-size: 16px; color: var(--primary); border-left: 3px solid var(--accent);
    padding-left: 10px; margin-bottom: 12px;
}
.related-list li { padding: 7px 0; border-bottom: 1px dashed var(--border); }
.related-list li:last-child { border-bottom: 0; }
.related-list li a { color: var(--text); font-size: 14px; }
.related-list li a:hover { color: var(--accent-dark); }
.related-list li time { float: right; font-size: 12px; color: var(--muted); }