.xinhai {
  width: 100%;
  /* height: 600px; */
  border-radius: 20px;
  background-image: url("./bg.png");
  background-size: cover;
  background-position: bottom;
  background-repeat: no-repeat;
}

#canvas {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 20px;
}