- Add screenshot feature documentation to features section with Playwright details
- Include WebP format compression benefits and multi-source URL support
- Add screenshot stage to scan flow architecture diagram with styling
- Add fingerprint library table with counts for public distribution
- Add sponsorship section with WeChat Pay and Alipay QR codes
- Add sponsor appreciation table
- Update frontend dependencies with @radix-ui/react-visually-hidden package
- Remove redundant installation speed note from mirror parameter documentation
- Clean up demo link formatting in online demo section
