A dynamic, full-body shot of a powerful cheetah in mid-stride, running at high speed through tall, golden-orange savanna grass and rocks. The cheetah's muscular form is evident, with its head turned slightly towards the viewer, piercing orange-red eyes focused intently. The fur is detailed with realistic black spots. The background features a vibrant sunset sky with hues of yellow, orange, and purple clouds, and a calm blue river or lake in the distance, bordered by a subtle horizon line. The lighting is warm and dramatic, characteristic of a golden hour sunset, casting strong highlights on the cheetah and the landscape. The art style is a blend of realistic detail and painterly brushstrokes, suitable for a striking mobile wallpaper. Vertical composition.