.flex-1px-r,.flex-1px-b {
  position: relative;
}
.flex-1px-r::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 2rpx;
  background: #c7c7c7;
  z-index: 5;
  transform: scaleX(0.5);
  -webkit-transform: scaleX(0.5);
}
.flex-1px-b::after{
  content: "";
  position: absolute;
  right: 0;
  left: 0;
  bottom: 10rpx;
  height: 2rpx;
  background: #c7c7c7;
  z-index: 5;
  transform: scaleY(0.5);
  -webkit-transform: scaleY(0.5);
}