/* ===== 文章内容页 ===== */
.article-section{padding:60px 0}
.article-wrap{max-width:860px;margin:0 auto;background:#fff;border-radius:var(--radius);padding:50px 50px 60px;box-shadow:var(--shadow)}
.article-header{text-align:center;margin-bottom:40px;padding-bottom:30px;border-bottom:1px solid var(--border)}
.article-header h1{font-size:28px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:16px}
.article-meta{display:flex;align-items:center;justify-content:center;gap:24px;font-size:14px;color:var(--text-light)}
.article-meta span{display:flex;align-items:center;gap:6px}
.article-meta i{color:var(--primary-dark)}
.article-body{font-size:16px;color:var(--text-secondary);line-height:2}
.article-body p{margin-bottom:20px}
.article-body h2{font-size:22px;font-weight:700;color:var(--text);margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--primary)}
.article-body h3{font-size:18px;font-weight:600;color:var(--text);margin:28px 0 12px}
.article-body img{border-radius:var(--radius-sm);margin:20px auto;max-width:100%}
.article-body ul{padding-left:20px;margin-bottom:20px}
.article-body ul li{list-style:disc;margin-bottom:8px;color:var(--text-secondary)}
.article-body .highlight-box{background:var(--primary-light);border-radius:var(--radius-sm);padding:24px 28px;margin:24px 0;border-left:4px solid var(--primary)}
.article-body .highlight-box p{margin-bottom:0;color:var(--text)}
.article-body .highlight-box .highlight-title{font-weight:600;font-size:16px;margin-bottom:8px;color:var(--text)}
.article-footer{border-top:1px solid var(--border);padding-top:30px;margin-top:40px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.article-nav{display:flex;gap:12px}
.article-nav a{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border:1px solid var(--border);border-radius:25px;font-size:14px;color:var(--text-secondary);transition:var(--transition);text-decoration:none}
.article-nav a:hover{border-color:var(--primary);color:var(--primary-dark);background:var(--primary-light)}

/* ===== 相关推荐 ===== */
.related-section{padding:0 0 60px}
.related-title{font-size:22px;font-weight:700;text-align:center;margin-bottom:30px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;transition:var(--transition);cursor:pointer;display:block;text-decoration:none}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary)}
.related-card h4{font-size:15px;font-weight:500;color:var(--text);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card:hover h4{color:var(--primary-dark)}
.related-card .related-date{font-size:13px;color:var(--text-light)}

@media(max-width:1024px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .article-wrap{padding:30px 24px 40px}.article-header h1{font-size:22px}
  .article-meta{gap:12px;flex-wrap:wrap}.article-body{font-size:15px}
  .related-grid{grid-template-columns:1fr}}
@media(max-width:480px){
  .article-wrap{padding:20px 16px 30px;border-radius:var(--radius-sm)}
  .article-header h1{font-size:20px}.article-meta{font-size:13px;flex-direction:column;gap:6px}
  .article-body{font-size:14px}.article-body h2{font-size:19px}
  .article-footer{flex-direction:column;align-items:flex-start}}