text: body, html
    line-height: 1
    font-weight: 200
    font-family: 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', arial, sans-serif
    font-size: 14px
  
  .clearfix
    display: inline-block
    &:after
      display: block
      content: "."
      height: 0
      line-height: 0
      clear: both
      visibility: hidden
  
  @media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
    .border-1px
      &::after
        -webkit-transform: scaleY(0.7)
        transform: scaleY(0.7)
  
  @media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
    .border-1px
      &::after
        -webkit-transform: scaleY(0.5)
        transform: scaleY(0.5)
  