UnoCSS version

66.5.12

Describe the bug

unocss:
"@unocss/postcss": ^66.5.12
"@unocss/extractor-arbitrary-variants": ^66.5.12
"@unocss/transformer-variant-group": ^66.5.12
unocss: ^66.5.12

it is fine in '66.5.0'

Reproduction

none

System Info

No response

Validations

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• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
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• The provided reproduction is a minimal reproducible example of the bug.