.tool-nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:20px 0 14px;
  font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
}
.tool-nav a{
  display:block;
  padding:10px 16px;
  border:2px solid #aaa397;
  border-radius:6px;
  background:#fffdf8;
  color:#57534b;
  font-size:16px;
  font-weight:600;
  line-height:1.4;
  letter-spacing:0;
  text-decoration:none;
}
.tool-nav a:hover{color:#246b57;border-color:#246b57;background:#f0f7f3;}
.tool-nav a[aria-current="page"]{color:#fff;border-color:#246b57;background:#246b57;}
.tool-nav a:focus-visible{outline:3px solid #246b57;outline-offset:3px;}
.tool-nav [lang="zh-Hant"]{white-space:nowrap;}
@media(max-width:480px){
  .tool-nav [lang="zh-Hant"]{display:block;font-size:14px;}
}