/* ============ 站点地图 sitemap.html 专属 ============ */
.sm-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.sm-col{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s}
.sm-col:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.sm-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.sm-head .sm-ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:#fff;background:var(--grad-brand);flex:none;box-shadow:0 6px 16px rgba(109,31,184,.28)}
.sm-head .sm-ico svg{width:20px;height:20px}
.sm-head h3{font-size:16px}
.sm-list{display:grid;gap:2px}
.sm-list a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--ink-700);transition:background .25s,color .25s}
.sm-list a:hover{background:var(--grad-brand-soft);color:var(--purple-600)}
.sm-list a::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--grad-brand);flex:none}

@media (max-width:1080px){
  .sm-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:860px){
  .sm-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .sm-col{padding:22px 20px}
}
@media (max-width:560px){
  .sm-grid{grid-template-columns:1fr}
}