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. Create a high-quality vector illustration portrait inspired . A young man with a stylish beard and messy, spiky hair, looking slightly downward at the camera with a confident expression. The artwork must use a sharp, geometric, low-poly vector art style with distinct color blocks and clean lines. The man is wearing a dark blue t-shirt with a bold yellow graphic design on the front. The entire background is a solid, vibrant yellow, creating a sharp contrast. Clean flat design, minimalist digital illustration. --ar 1:1