移动端1px边框问题

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.border-1px{
  position: relative;
  &::before{
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 200%;
    border:1px solid red;
    color: red;
    height: 200%;
    -webkit-transform-origin: left top;
    transform-origin: left top;
    -webkit-transform: scale(0.5);
    transform: scale(0.5);
    pointer-events: none; /* 防止点击触发 */
    box-sizing: border-box;
    @media screen and (min-device-pixel-ratio:3),(-webkit-min-device-pixel-ratio:3){
      width: 300%;
      height: 300%;
      -webkit-transform: scale(0.33);
      transform: scale(0.33);
    }
  }
}