:root{
  --bg:#050507;
  --surface:#0b0c10;
  --line:rgba(255,255,255,.075);
  --line-hi:rgba(255,255,255,.16);
  --text:#f0f1f5;
  --muted:#82879b;
  --dim:#4e5263;
  --cyan:#00f5c4;
  --magenta:#ff2d78;
  --violet:#7c5cff;
  --violet-lt:#a78bfa;
  --sky:#38bdf8;
  --amber:#ffb020;
  --mono:"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --ease:cubic-bezier(.22,.9,.28,1);
}