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

$module: #{$prefix}-collapse;

.#{$prefix}-rtl,
.#{$prefix}-portal-rtl {

    .#{$module} {
        direction: rtl;

        &-header {

            &-right {

                span {
                    display: flex;
                    padding-right: 0;
                    padding-left: $spacing-collapse_right-paddingRight;

                    &:last-child {
                        padding-right: 0;
                        padding-left: 0;
                    }
                }
            }
        }
    }
}