提示词

A handsome masculine man seated on gym equipment, mid-torso to upper thighs centered. He wears a black Nike tank top with white swoosh and black athletic shorts with blue side stripes. His right hand grips the handlebar while his left arm rests near his thick thigh in a candid pose. Soft natural lighting creates an candid iPhone rear-camera snapshot energy against a gray wall background. Vertical portrait composition captures broad shoulders, defined biceps, triceps, and thick thighs for social feed appeal., a single uninterrupted photograph only, no written words or typography anywhere in frame, no captions, no app UI, no social-media post layout, no screenshot borders