amis/scss/components/form/_city.scss

.#{$ns}CityPicker {
  .#{$ns}Select {
    margin-right: $gap-xs;
  }

  &-input {
    outline: none;
    vertical-align: middle;
    // margin-left: $gap-xs;
    border: $Form-input-borderWidth solid $Form-input-borderColor;
    border-radius: $Form-input-borderRadius;
    // height: $Form-input-height;
    line-height: $Form-input-lineHeight;
    padding: $Form-input-paddingY $Form-input-paddingX;
    font-size: $Form-input-fontSize;

    &::placeholder {
      color: $Form-input-placeholderColor;
      user-select: none;
    }

    &:focus {
      border-color: $Form-input-onFocused-borderColor;
      box-shadow: $Form-input-boxShadow;

      @if $Form-input-onFocused-bg !=$Form-input-bg {
        background-color: $Form-input-onFocused-bg;
      }
    }
  }
}