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

$module: #{$prefix}-descriptions;

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

        th {
            direction: rtl;

            padding-right: 0;
            padding-left: $spacing-descriptions_th-paddingRight;
        }

        & .#{$module}-item {
            text-align: right;
        }

        &-center {
            .#{$module}-item-th {
                text-align: left;
            }

            .#{$module}-item-td {
                text-align: right;
            }
        }

        &-left {
            .#{$module}-item-th,
            .#{$module}-item-td {
                text-align: left;
            }
        }

        &-justify {
            .#{$module}-item-th {
                text-align: right;
            }

            .#{$module}-item-td {
                text-align: left;
            }
        }

        &-plain {
            .#{$module}-key,
            .#{$module}-value {
                display: inline-block;
            } 

            .#{$module}-value {
                padding-left: 0;
                padding-right: $spacing-descriptions_value_plain-paddingLeft;

                & .#{$prefix}-tag {
                    vertical-align: middle;
                }
            }
        }

        &-double {
            direction: rtl;

            & .#{$module}-item {
                text-align: right;
            }

            &-small {
                .#{$module}-item {
                    padding-right: 0;
                    padding-left: $spacing-descriptions_item_small-paddingRight;
                }
            }

            &-medium {
                .#{$module}-item {
                    padding-right: 0;
                    padding-left: $spacing-descriptions_item_medium-paddingRight;
                }
            }

            &-large {
                .#{$module}-item {
                    padding-right: 0;
                    padding-left: $spacing-descriptions_item_large-paddingRight;
                }
            }
        }
    }
}