I ended up driving on top of some 2x4s then lifting with floor jack under dimpled panel in center behind the aero panels with a hardwood plywood piece on jack.Low cars, cars with aero under-panels, are always a PITA in this regard.
See this thread: https://www.mazda3revolution.com/threads/how-to-put-2019-3-on-jack-stands.236112/page-2#post-2468838
View post No. 28, onwards...
I don't suggest this is the easiest way, BTW.