message: refactor(Sku): refactor image upload
diff: }
  &-label {
  - margin-top: @padding-xs;
  color: @cell-label-color;
  font-size: @cell-label-font-size;
  line-height: @cell-label-line-height;
  }
  }
  - &-img-uploader {
  - display: inline-block;
  -
  - &__uploader {
  - vertical-align: middle;
  - }
  -
  - &__img {
  - position: relative;
  - float: left;
  - width: 64px;
  - height: 64px;
  - margin-right: @padding-xs;
  - background: @sku-item-background-color;
  - border-radius: @border-radius-sm;
  -
  - img {
  - width: 100%;
  - height: 100%;
  - object-fit: contain;
  - }
  - }
  -
  - &__delete {
  - position: absolute;
  - top: -12px;
  - right: -14px;
  - z-index: 1;
  - padding: 6px;
  - color: @sku-upload-mask-color;
  - opacity: 0.8;
  -
  - &::before {
  - background-color: @white;
  - border-radius: 14px;
  - }
  - }
  -
  - &__mask {
  - position: absolute;
  - top: 0;
  - left: 0;
  - display: flex;
  - flex-direction: column;
  - align-items: center;
  - justify-content: center;
  - width: 100%;
  - height: 100%;
  - color: white;
  - background: @sku-upload-mask-color;
  - }
  -
  - &__warn-text {
  - margin-top: 6px;
  - font-size: @font-size-sm;
  - line-height: 14px;
  - }
  -
  - &__trigger {
  - display: flex;
  - align-items: center;
  - justify-content: center;
  - width: 100%;
  - height: 100%;
  - color: @sku-icon-gray-color;
  - }
  - }
  -
  &-actions {
  display: flex;
  flex-shrink: 0;
  