.box {
  width: 100%;
  min-height: 100vh;
  position: relative;
  background-color: #dc415f;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 100 100'%3E%3Crect x='0' y='0' width='57' height='57' fill='%23ce3250'/%3E%3C/svg%3E");
  color: #fe95a8;
}
.my-lucky {
  margin-top: 100rpx;
  width: 600rpx;
  position: absolute;
  left: 50%;
  transform: translate(-50%);
}
.mask {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
}