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

$module: #{$prefix}-banner;

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

        &-close {
            margin-left: 0;
            margin-right: $spacing-banner_closeBtn-marginLeft;
            height: $height-banner_closeBtn;
            width: $width-banner_closeBtn;
        }

        &-icon {
            margin-right: 0;
            margin-left: $spacing-banner_icon-marginRight;
        }
    }
}