message: feat(Field): optimize word limit style
diff: }
  &__word-limit {
  + margin-top: @padding-base;
  color: @field-word-limit-color;
  font-size: @field-word-limit-font-size;
  line-height: @field-word-limit-line-height;
  + text-align: right;
  }
  &--error {
  