Prior to OS X Mountain Lion (2012), Apple’s default Traditional Chinese font was (儷黑 Pro). While professional, LiHei Pro suffered from severe legibility issues at small point sizes on Retina displays due to overly tight spacing and inconsistent stroke contrast.
: It plays a key role in efforts to unify CJK (Chinese, Japanese, Korean) components across different regions, reducing unnecessary character variations while respecting local writing traditions.
To understand the font, you have to decode the name.
(formerly Dainippon Screen), the Hiragino family was originally designed to meet the rigorous demands of professional publishing. Hiragino Sans CNS (Traditional Chinese) was created to ensure visual consistency across pan-CJK (Chinese, Japanese, and Korean) environments. The "CNS" in its name refers to the Chinese National Standard
Here’s a draft write-up for , suitable for a design resource, font documentation, or product description.