JS / jQuery：当将鼠标悬停在另一个（较低的）LI元素上时，如何选择UL导航的第一个LI项？

I am trying to make a navigation that uses simple unordered lists to list all the links. Basic stuff. However the first LI element has a class name of "section-title". following this 'section-title' are the links to the other pages.I am trying to make a navigation that uses simp