- Refine #page-hierarchy h2 a style: IranNastaliq, 2.1rem, line-height 2.4,
5px 20px padding, max-width 575px, font-smoothing and legibility hints.
- Keep tooltip dark in both color schemes.
- Style tooltip links with white text and a subtle white hover highlight.
- Match the tooltip arrow to the dark tooltip background.
- Make the tooltip close button separator gold for better visibility.
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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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