Structured JSON Prompt for Low-Key Cinematic Rock Climber Photo

{
  "description": "{ \"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\""
}