.exp-timer{
  width:120px;height:120px;margin:36px auto 8px;border:2px solid var(--red);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:Songti SC,Source Han Serif SC,serif;font-size:48px;color:var(--red);
  font-weight:500;
}
.exp-choices{
  display:grid;gap:12px;margin-top:22px;
}
.exp-choice{
  text-align:left;border:1px solid var(--sand);background:#fffaf2;
  border-radius:10px;padding:18px 20px;cursor:pointer;display:grid;gap:8px;
  transition:transform .15s,border-color .15s,background .15s;
}
.exp-choice:hover,.exp-choice.active{
  border-color:var(--red);transform:translateY(-2px);background:#fff5e9;
}
.exp-choice strong{
  font-family:Songti SC,Source Han Serif SC,serif;font-size:22px;font-weight:500;
}
.exp-choice span{
  color:var(--muted);font-size:14px;line-height:1.7;
}
.exp-choice[data-key="press"] strong{color:var(--red);}
.exp-choice[data-key="isolate"] strong{color:#665950;}
.exp-choice[data-key="hold"] strong{color:var(--moss);}
.done .secondary{color:var(--moss);border-bottom:1px solid;padding:8px 0;font-size:14px;}
@media (width<=520px){
  .exp-timer{width:96px;height:96px;font-size:40px;}
}