Eye shape, eye color, and exact natural hair characteristics are fully and seamlessly replaced by the user's uploaded reference image, strictly preserving the user's authentic facial identity, hair texture, and look perfectly while adapting to the pose. A full-body studio portrait of a woman in a black pant suit and turtleneck sitting on a tall black stool against a solid gray background, wearing black loafers. Professional studio lighting, photorealistic, 4k resolution, highly detailed, --ar 1:1