message: refactor: update counter style
diff: @@ -33,7 +33,7 @@ $counter: 'hi-counter' !default;
  width: 32px;
  height: 32px;
  line-height: 32px;
  - border: 1px solid use-color('gray-40');
  + border: 1px solid use-color('gray-30');
  border-radius: 2px;
  font-weight: bold;
  color: use-color('primary');
  @@ -65,7 +65,7 @@ $counter: 'hi-counter' !default;
  flex: 1 1 auto;
  width: 2 * 32px;
  padding: 0 6px;
  - border: 1px solid use-color('gray-40');
  + border: 1px solid use-color('gray-30');
  color: use-color('gray-80');
  outline: none;
  box-sizing: border-box;
  