Structured JSON Prompt for Low-Key Cinematic Rock Climber Photo

"subject": "description": "A female rock climber seen from behind in a gym, arms extended straight out to both sides while holding cable handles, with prominently defined upper-back muscles and scapula contours under low-key lighting. It looks powerful", "mirror_rules": null, "age": "20", "expression": "eyes": "look": null, "energy": "focused", "direction": null , "mouth": "position": null, "energy": null , "overall": "focused mid-rep, face turned away" , "face": "preserve_original": true, "makeup": null , "hair": "color": "dark brown", "style": "low ponytail through a dark baseball cap", "effect": "a few loose strands" , "body": "frame": "lean athletic, Small base, thin muscle", "waist": "The super-slim waist accentuates the broad shoulders.", "chest": null, "legs": "covered by loose pants", "skin": "visible_areas": [ "back", "generous shoulders", "arms" ], "tone": "pale, white, cool-toned light skin", "texture": "natural skin texture with slight workout sheen", "lighting_effect": "low-key white cool highlights defining lats, traps, rear delts, and scapula grooves" , "pose": "position": "standing, back to camera", "base": "stable stance, Lean your upper body slightly forward", "overall": "both arms fully extended horizontally, holding cable handles in each hand，Starting to do exercises to train chest muscles" , "clothing": "top": "type": "string-strap sports bra", "color": "white", "details": "ultra-thin round elastic cord straps, strap width must be 0.1cm or thinner; cord-like and round (not flat webbing). Two ultra-thin(width must be 0.1cm) cords form a clean X across the upper back, plus one lower diagonal cord creating a small angled triangle into a thin back band.", "effect": "delicate thin-string geometry framing the back muscles, The thin elastic bands almost completely exposed her back, making her look both powerful and sexy." , "bottom": "type": "loose sweatpants", "color": "medium gray", "details": "relaxed fit with a lighter waistband showing above", "effect": "casual training look" , "accessories": "headwear": "dark baseball cap", "jewelry": null, "device": null, "prop": "cable machine handles held in both hands" , "photography": "camera_style": "realistic cinematic gym fitness photography", "angle": "rear view at about shoulder height, slight telephoto compression", "shot_type": "mid-to-full body from head to upper thighs, centered subject", "aspect_ratio": "4:5 vertical", "texture": "crisp subject detail with soft background bokeh, subtle micro-contrast on muscles (not harsh global sharpening)", "lighting": "premium low-key lighting, dim overall; cool light on the subject with controlled highlights and deeper shadows; warm background bokeh points", "depth_of_field": "shallow depth of field, background strongly blurred" , "background": "setting": "indoor gym with dumbbell area and machines, glass/mirror partitions", "wall_color": "cool gray and dark tone"