Sora提示词：first-person POV, a man running on a treadmill in a gym, no

first-person POV, a man running on a treadmill in a gym, no face visible, natural handheld motion, focus on the treadmill panel, feet and running movement, ambient gym lighting, realistic reflections on equipment, subtle sweat details, dynamic motion blur, authentic fitness-vlog style, high-realism textures, everyday workout atmosphere