amis2/scss/components/form/_city.scss

.#{$ns}CityPicker {
    .#{$ns}Select + .#{$ns}Select {
        margin-left: $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;
            }
        }
    }
}