1. Fonts in use

Lato
Body text, --ff-body, SIL Open Font License 1.1
Lato Black
Headings and figures, --ff-display, SIL Open Font License 1.1
PingFang SC / Microsoft YaHei / Heiti SC
CJK fallbacks resolved from the visitor's operating system; not distributed by this site
system-ui / sans-serif
Final fallback, resolved by the browser and system

2. What the SIL OFL 1.1 allows

  • Use, study and modify the fonts in commercial projects
  • Embed in web pages and documents, and redistribute with the project
  • Self-host via @font-face
  • The font files may not be sold on their own
  • Derivative fonts must remain under the same licence
  • Reserved Font Names may not be used for derivatives

Lato is copyright Łukasz Dziedzic and licensed under the SIL Open Font License 1.1. Copyright and licence notices are retained as required.

3. Rules for uploading fonts

  • Stick to the specified typefaces: Lato / Lato Black, with written approval for additions
  • Every upload must carry a commercial-use licence — OFL, Apache, purchased or in-house — kept on file
  • No fonts of unknown origin, personal-use-only or trial licences
  • Do not rename files or strip copyright and licence notices

4. Requesting licence copies

For internal compliance review, licence copies are available on request; we respond within 5 working days.