.af-body{font-size:16px;line-height:1.95;color:#2b2f33;word-break:break-word;}
.af-body h2{font-size:20px;color:var(--navy);margin:28px 0 12px;padding-left:12px;border-left:4px solid var(--blue);line-height:1.4;}
.af-body h3{font-size:17px;color:#16324f;margin:20px 0 10px;font-weight:600;}
.af-body p{margin:14px 0;}
.af-body img{max-width:100%;height:auto;display:block;margin:18px auto;border-radius:6px;}
.af-body table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px;}
.af-body th,.af-body td{border:1px solid #e3e3e3;padding:9px 11px;}
.af-body th{background:var(--blue-bg);color:var(--navy);text-align:left;}
.af-body a{color:var(--blue);}
/* 关键词自动内联链接 */
.af-body a.inner-link{color:#0b66c3;text-decoration:underline;text-underline-offset:2px;text-decoration-color:#93c5fd}
.af-body a.inner-link:hover{color:#0a4f97;text-decoration-color:#0b66c3}
/* ===== 上一篇 / 下一篇导航条 ===== */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.prevnext .pn{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;text-decoration:none;background:var(--blue-bg,#f3f8fd);transition:all .16s;}
.prevnext .pn:hover{border-color:var(--blue,#1d6fb8);box-shadow:0 6px 16px rgba(19,58,94,.10);transform:translateY(-2px);}
.prevnext .pn-r{text-align:right;align-items:flex-end;}
.prevnext .pn-lab{font-size:12px;color:var(--muted,#9aa3ad);font-weight:600;}
.prevnext .pn-tt{font-size:14px;color:var(--navy,#133a5e);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-width:100%;}
/* 相关文章缩略图（比列表页小一号） */
.af-item.relpic .pic{width:110px;height:74px;flex:0 0 110px;}
@media(max-width:560px){
  .prevnext{grid-template-columns:1fr;}
  .prevnext .pn-r{text-align:left;align-items:flex-start;}
  .af-item.relpic .pic{width:90px;height:62px;flex-basis:90px;}
}