光影如诗，古典石阶上的象牙白丝绸奢华大片

{ "render_goal": "Cinematic luxury editorial portrait", "subject": { "pose": "female standing mid - staircase, relaxed elegant posture", "expression": "composed confidence with a soft smile" }, "wardrobe": "structured silk satin gown in warm ivory, clean neckline, subtle drape", "environment": { "location": "historic interior with a wide stone staircase", "props": "natural light from tall windows, soft shadow fall" } }