fix(s2): restore page.css declaration (#10874)
* fix(s2): restore page stylesheet declaration
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* test(s2): remove packaging test per review
Preserve the reproduction and validation evidence outside the upstream patch.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>