#lanchloading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background-color: #1d5b2a;
  background-image: url(/launch.jpg);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
#lanchloading .img {
  width: 100%;
  height: auto;
}
#lanchloading .van-loading {
  width: 25px;
  height: 25px;
  margin-bottom: 80px;
}