semi-design/packages/semi-foundation/inputNumber/rtl.scss

$module: #{$prefix}-input-number;

.#{$prefix}-rtl,
.#{$prefix}-portal-rtl {
    .#{$module} {
        direction: rtl;
        
        &-suffix-btns {
            margin-left: auto;
            margin-right: $spacing-inputNumber_button-marginLeft;
        }

        &-suffix-btns-inner {
            margin-left: auto;
            margin-right: $spacing-inputNumber_button_inner-marginLeft;
        }

        .#{$prefix}-input-clearbtn {
            & + .#{$prefix}-input-suffix {
                margin-left: auto;
                margin-right: $spacing-inputNumber_clearbtn_suffix-marginLeft;

                .#{$module}-suffix-btns-inner {
                    margin-left: auto;
                    margin-right: 0;
                }
            }
        }
    }
}