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

$form: #{$prefix}-form;
$field: #{$prefix}-form-field;
$group: #{$prefix}-form-field-group;
$col: #{$form}-col;

$checkboxGroup: #{$prefix}-checkboxGroup;
$radioGroup: #{$prefix}-radioGroup;
$switch: #{$prefix}-switch;
$rating: #{$prefix}-rating;

.#{$prefix}-rtl,
.#{$prefix}-portal-rtl {
    .#{$form} {
        direction: rtl;

        &-horizontal {
            .#{$field} {
                margin-left: 0;
                margin-right: 0;
                padding-right: 0;
                padding-left: $spacing-form_field_horizontal-paddingRight;
    
                &:last-child {
                    margin-left: $spacing-form_field_horizontal-paddingRight;
                }
            }
    
            .#{$group} {
                padding-right: 0;
                padding-left: $spacing-form_field_group_horizontal-paddingRight;
            }
        }
    
        &-field-label {
            padding-right: 0;
    
            &-with-extra {
                .#{$field}-label-extra {
                    margin-left: 0;
                    margin-right: $spacing-form_label_extra-marginLeft;
                }
            }
    
            &-required {
                .#{$field}-label-text {

                    &::after {
                        content: "*";
                        margin-left: 0;
                        margin-right: $spacing-form_label_required-marginLeft;
                    }
                }
            }
    
            &-left {
                text-align: right;
            }
    
            &-right {
                text-align: left;
            }
        }
    }
    
    .#{$field} {
        direction: rtl;

        &[x-label-pos="left"] {
            .#{$field}-label {
                margin-right: 0;
                margin-left: $spacing-form_label_posLeft-marginRight;
            }
        }
    }
    
    .#{$field} {

        &-validate-status-icon {
            margin-right: 0;
            margin-left: $spacing-form_statusIcon-marginRight;
        }
    }
    
    // section
    .#{$form}-section {
        direction: rtl;
    }
}