- Add noreferrer to all external rel attributes (4 anchors)
- Change 更新日志 link from /releases (may 404) to /commits/branch/main
- Remove dead CSS overridden by puro.css: .nav z-index:10, .nav-links gap:20px
- Document puro.css global dependency at top of scoped style block
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>