I think you are most suitable for a slimming short T + a puffier skirt. The slimming T will highlight your upper body, and the puffier skirt will make others unable to see your span and reveal your thin legs. ~
If you wear pants, wear small pants to highlight your thin legs, and then wear a loose long T on your upper body to cover the PP. Because your hips are wide, wearing a tight long T will make the shape of your hips obvious. A loose T will weaken this situation. A long T will not make you look short. As long as the small pants on your lower body are enough to cover your legs. If possible, you can wear small high-heeled shoes (the color matches the T), which will look very slim. To show your height, flat shoes will do, and your legs will be fine.
Or wear a slim-fit short T-shirt with thicker and more tangible pants. Although you can’t see the thin legs, your upper body can also prove that you are very thin
I think your key point is: weakening The hips are wide, highlighting the thinness of the legs and upper body