CMOS is of no real value to you. And I am a life member of IEEE but they do many things that are bureaucratic and woke but of no real value to members.
Your company should provide a style guide that is much smaller but does the job that they need.
Formatting documents is not exactly style as I use the words. And would be one of the editing functions way ...
Whatever you feel okay with! If you don´t want to write scenes
you´re uncomfortable with making, then don´t! You are the writer my friend, you make what happens, you are in control. As long as
you are happy with yourself and happy with what you´re writing, that is all that matters!