Elegant Backless Dress Portrait on Modern Staircase

Prompt

{   "scene": {     "location": "modern indoor staircase",     "materials": ["white marble stairs", "smooth light-colored walls"],     "interior_style": "minimalist, modern luxury",     "background_elements": [       "floating console table",       "warm table lamp with soft glow",       "clean architectural lines"     ]   },   "pose": {     "body_position": "seated sideways on stairs",     "orientation": "back facing camera, torso slightly twisted",     "head_position": "head turned over shoulder, downward gaze",     "posture": "relaxed yet elegant, subtly seductive"   },   "outfit": {     "dress_type": "long {argument name="dress color" default="black"} backless evening dress",     "design": "open back with thin criss-cross straps",     "details": [       "butterfly-shaped lace accents on back",       "multiple thin strings creating geometric lines",       "floor-length silhouette"     ],     "style_vibe": "elegant, sensual, minimal"   },   "framing": {     "shot_type": "full body",     "camera_angle": "slightly elevated, behind and to the side",     "composition": "subject centered on staircase lines",     "aspect_ratio": "4:5"   },   "lighting": {     "type": "soft indoor lighting",     "color_temperature": "warm-neutral",     "highlights": "gentle highlights on skin and fabric",     "shadows": "soft, natural shadows enhancing contours"   },   "mood": {     "atmosphere": "intimate, calm, luxurious",     "emotion": "quiet confidence with subtle allure"   },   "photography_style": {     "realism": "editorial realism",     "processing": "clean, natural tones, no overprocessing",     "detail_level": "high fabric and skin texture clarity"   },   "negative_prompt": [     "cropped body",     "half body",     "distorted anatomy",     "extra limbs",     "overexposed lighting",     "harsh shadows",     "low resolution",     "cartoonish style",     "exaggerated proportions"   ] }