A photorealistic portrait of a cool and handsome 36-year-old Chinese man, slim and wiry build

a photorealistic portrait of a cool and handsome 36-year-old Chinese man, slim and wiry build, sharp cheekbones, defined jawline, slightly sun-weathered skin, calm and confident expression, long dark hair tied in a loose topknot with a few messy strands, a neat goatee, realistic facial texture, understated rugged charm, wearing a worn dark outdoor shell jacket suitable for mountain exploration, practical and believable, slightly weathered fabric, with a simple white crew-neck T-shirt subtly visible underneath, an aged metal chain necklace and a string of old metal prayer beads as personal accessories, grounded explorer temperament, mysterious and calm, documentary realism, cinematic natural lighting, highly detailed skin and fabric texture, ultra realistic, no cartoon, no pixar, no fashion editorial, no tactical gear, neutral dark background, clean composition --ar 3:4 --v 8