Prompt

Striking full-bleed vertical wallpaper of adult man reclining on back, left arm flexed with fist raised near shoulder and right hand resting across lower abdomen. Shirtless torso features black Batman cowl covering head and neck with chest emblem visible. Medium-brown skin texture under soft directional lighting from left against blue-green woven fabric background. Vertical portrait close-up centered slightly to the right for screen-safe composition., 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