Chân Dung Màu Nước và Mực Nền Phố Thị

A stylish portrait of a [young man], combining professional watercolor illustration with clean ink line art. He wears a [dark navy cable-knit sweater and a simple gold chain necklace], complemented by [blue-tinted aviator sunglasses]. The background blends abstract architectural sketches of a city skyline with vibrant, expressive [blue] watercolor splashes and ink splatters. High contrast, clean defined edges, artistic paper texture, and sharp focus.