eval both post-content.js (copy) and lightbox.js (lightbox + lazy-load),
then call __initLightbox over ['.post-content', '.entry-cover'] so both
in-content images (gallery) and the cover (single) are wired up.
- Warm editorial color palette (#faf9f6 light / #141416 dark)
- Sage green accent (#5c7a5e) for nav, links, buttons, tags
- Replace all hardcoded hex colors with CSS theme utilities
- Serif font (system Georgia) only on header logo
- Better hover states: scale, brightness, color transitions
- Accent-colored focus rings on inputs
- Fix language mixing: Back to Home → 返回首页
- No external font dependencies
ammonia's default url_schemes whitelist excludes 'data', causing
data:image/* URLs to be stripped from img src attributes. Add 'data'
to allowed schemes. Also skip data: URIs in JS thumbnail logic.
