Thanks! That is what I was thinking. I personally don’t get stressed about labels - I wear a dress or skirt or nice pants and a top but don’t stress about “OMG IS IS/IS NOT FORMAL!” As you quoted, it is suggested, not mandated.
As long as it is in the guidelines, wear what makes you happy. If that is dressier, go for it. If it is on the casual side but within guidelines, go for it. And only worry about yourselves.