Elegant Backless Dress Portrait on Modern Staircase

"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 dress_color 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" ]