/* ---------- 底部导航 ---------- */
.tabbar{
  flex:0 0 auto;height:76px;
  display:flex;align-items:flex-start;
  padding:9px 6px 0;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  position:relative;z-index:25;
}
.tab{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  padding-top:4px;color:var(--muted-2);
  transition:color .2s;
}
.tab svg{width:23px;height:23px;stroke:currentColor;stroke-width:1.7;}
.tab span{font-size:10.5px;letter-spacing:.02em;}
.tab.on{color:var(--ink);}
.tab.on svg{stroke:var(--gold-dark);}
.tab.on span{color:var(--gold-dark);font-weight:600;}