html,
body {
  background: #0d1117;
  margin: 0;
}

#app:empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  color: #8b949e;
  font-family: system-ui, -apple-system, sans-serif;
}

#app:empty::after {
  content: '桃源乡加载中...';
}