We want to confirm whether content in collapsible menus negatively affects SEO and/or featured snippets on Google. We're hoping to add a menu to answer some frequently asked questions and attract featured snippets, while also creating a positive user experience/not clogging up the page.

Here is an example of the style of menu we're using now, the troubleshooting menu:

http://www.lynden.com/help/index.html

Appreciate your help!