提示词

Full-bleed vertical phone wallpaper composition of an adult male standing on a dark running track at night, high-angle POV shot. Shirtless torso with defined abdominal muscles and thick thighs in black athletic shorts holding a crumpled white garment near hip. Clean negative space top, screen-safe edges, one vivid mood. Include exactly one visible wordmark, spelled exactly "HF", as a small garment print; preserve its appropriate typography and scale. No other visible text, logo, caption, username, hashtag, comment, watermark, or UI chrome., 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