message: fix(Sku): incorrect button position
diff: &-body {
  flex: 1 1 auto;
  - max-height: 350px;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
  &-actions {
  display: flex;
  + flex-shrink: 0;
  padding: @padding-xs @padding-md;
  .van-button {
  