Chân Dung Avatar Vector Phẳng

Clean, modern flat vector portrait illustration of the person in the reference photo. Preserve the exact facial features, face shape, expression, black round eyeglasses, and hairstyle. Natural jet-black hair with subtle highlights and texture, thick, voluminous, slightly messy, and swept upward. Full, neatly trimmed natural black beard. Dressed in a plain black crew-neck T-shirt. Solid [vibrant green (#2E7D32)] background. Professional Dribbble-style vector graphic, smooth gradients, crisp edges, minimal soft shadows. Centered, front-facing bust portrait, symmetrical composition, clean outlines. No text, logos, or watermarks.