This is FangZheng HeiTi (Founder Black Sans-Serif) . It is comparable in style to Arial or Helvetica in the Western world, but tailored for Chinese characters.
It remains clear even at very small font sizes on screens. Fzhtjw--gb1-0 Font
: Used frequently in mainland China for professional reports and government documents. Software Defaults This is FangZheng HeiTi (Founder Black Sans-Serif)
It primarily supports the GB2312-80 (Simplified Chinese) standard, but extended versions also cover GBK and GB18030. : Used frequently in mainland China for professional
: Designed specifically for mainland Chinese standards, typically following the GB2312 or GB18030 character sets (signified by the "GB" in the name).
: It is a standard sans-serif (Heiti) font with a square and stable structure. It lacks decorative flourishes (serifs) at the ends of strokes, making it look professional and balanced.
: Even thickness across all strokes, delivering a clean and balanced layout.