* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #0e1525;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  background: #000;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}