masterpiece, ultra detailed, 8K resolution, photorealistic, handsome muscular guy (upper body muscles close-up: 1.2), wearing a white tight vest, revealing strong abdominal muscles and arm muscles, standing in front of the mirror in the gym, smiling confidently, taking selfies at the camera. The gym is bright and bright, highlighting the muscle lines. There are various fitness equipment in the background, and the colors are mainly gray and white tones, highlighting the modernity and power
