message: chore(input-group): update styles
diff: @@ -8,6 +8,7 @@ $prefix: '#{$component-prefix}-input-group' !default;
  position: relative;
  width: 100%;
  z-index: 0;
  + vertical-align: middle;
  & > *:not(:last-child) {
  margin-right: -1px;
  @@ -107,7 +108,7 @@ $prefix: '#{$component-prefix}-input-group' !default;
  }
  &:last-child {
  - @include first-input();
  + @include last-input();
  .hi-v4-date-picker__picker {
  @include last-input();
  @@ -133,7 +134,7 @@ $prefix: '#{$component-prefix}-input-group' !default;
  }
  &:last-child {
  - @include first-input();
  + @include last-input();
  .hi-v4-time-picker__input-wrapper {
  @include last-input();
  