semi-design/packages/semi-foundation/_portal/portal.scss

//@import '../theme/variables.scss';

$module: #{$prefix}-portal;

.#{$module} {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: $z-portal;

    &-inner {
        position: absolute;
        background-color: transparent;
        min-width: max-content;
    }
}