I tend to use the normal side jack and lift the car then use a bottle jack and with a 4" square wood block from an old pallet jack it up on the subframe until I get the axel stands in.

I have done this both front and rear, a bit of a faff, but it seems to work for me. I know what you mean about the ramps mine are too narrow as well. So I made some wider platforms from wood and attached to the top so at least supports the wheels at the highest point.

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