a 30-year-old man with round glasses, a black cardigan, buzzcut is sitting on his chair, in the darkness the view is from outside: we can see them full body Clean modern cartoon illustration style, sharp black outlines, smooth digital shading, minimalist design, slightly edgy business aesthetic, confident atmosphere, limited color palette mainly using black, white (#EDEEED), dark gray, and green accents. Semi-flat comic style with subtle shadows and clean lighting. Consistent proportions, polished vector-like rendering, plain light gray or white background, professional YouTube thumbnail style, high contrast, clean composition. the image is very simple, there are just e few element. no writing.