html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: #050811;
}

body.zt-theme-shell {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

#app {
  min-height: 100vh;
}

.zt-dev-note {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 9999;
  max-width: 520px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(9, 14, 25, 0.86);
  color: #eaf1ff;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.32);
  font-size: 13px;
  line-height: 1.6;
}

.zt-dev-note strong {
  color: #8fc4ff;
}