Numbers 7, 8 & 9 should be what you are looking for:
You could hang your curtain rod on the ceiling and hang curtains from there. You would want to attach your curtain rod holders into studs so they are more secure.
A round curtain rod would work well.
Ikea makes some ceiling mount tracks for making a privacy area, https://www.ikea.com/us/en/catalog/products/S99280799/ can be mounted on ceiling and its 55" long
If you like the industrial look and want to diy the ceiling curtain rods, you can make them out of plumbing pipes : https://www.simplicityinthesouth.com/youre-making-what-galvanized-curtain-rods-from-plumbing-parts/
Plant hooks, chain, pipe! Hang from ceiling!