Can the svg output of mathjax be customized by font?

it is found that the format of ordinary text and svg content in cola learning courseware is the same, and font-family is Microsoft Yahei. As shown in the following figure

mathjax svg http://docs.mathjax.org/en/la...

I wonder how Coke is realized. (because the mathjax displayed in the console downloads the character set instantly, and it is a js file with specific object properties, there seems to be no way to expand our own fonts. )

Mar.16,2021

topic ends:
fonts really cannot be changed. Coke's solution is to define the ordinary text around the formula as the same font as the formula. After all, it is relatively easy to find the same version of the 26 English letters.

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