.title {
  color  #fff 
  text-align  center 
  font-size  16px 
  font-weight  bold 
}
.app-background {
  background-color  #282828 
  height  100vh 
}
.mobile-setting {
  .content {
    padding-top 60px

    .van-field__label {
      width 100px
      text-align right
    }
  }
}