Chân dung điện ảnh quyến rũ với ánh sáng neon

{ "prompt": "A highly detailed, hyper-realistic, 8K portrait of a young woman seated elegantly on a modern staircase with a dark purple and pink neon-lit background. The subject is wearing a floor-length, figure-hugging, black evening gown with thin straps. Her pose is dynamic yet sophisticated, with one leg extended down the stairs and the other bent, drawing attention to her legs and the dress's slit. She is looking back over her shoulder at the camera with a subtle, engaging smile.\n\n**Outfit and Accessories:**\n* **Dress:** Black, sleek, backless, floor-length gown with a hi