If you had a real link to a child page (you actually had one), you could go to that page, then in the designer, style the current page link anyway you would like.
Thank you so much for the rapid response,
Following your suggestion I have
Set up my sub-menu item: “Business” > “Import & Export Companies” to point to the actual page “/dest/thank-you/”
Opened that thank-you page in the Editor
Selected the Sub-menu item “Business” > “Import & Export Companies”
Noticed that the styles now said both “nav-dropdown-sub” & “Current” (see below)
Clicked after the green “Current” style, but…
It then disappears… (see below)
And as you can see from the same screen-shot, the typography font color remains the burgundy and not the expected blue of the w–current
How do I edit the font color of the w–current style.