You can bet that there's no better simple solution. This problem has been analyzed extensively by groups with lots of resources (intellectual and monetary).
Besides the other commenter who mentioned the size of the lift surface, think of the mass requirements, the variable atmosphere density mentioned in the linked article, the need for an autonomous lander (because of light time), and the small amount of time you have to land.
Besides the other commenter who mentioned the size of the lift surface, think of the mass requirements, the variable atmosphere density mentioned in the linked article, the need for an autonomous lander (because of light time), and the small amount of time you have to land.