Fashion Portrait on Grand Staircase

Create a high-resolution fashion editorial photograph of a slender young woman standing on the ornate interior staircase of a grand historic mansion. She wears a loose, flowing dress.{argument name="dress color" default="black"} This halter-neck mini dress features a pleated neckline, cutouts on the sides, and a short, asymmetrical, flowy hem with side tie details. It pairs well with simple {argument name="shoe style" default="White low-top sneakers"} She kept it.{argument name="hair color" default="Dark brown"} Her hair, casually tied back, with a few stray strands around her face, is softly blurred in a square to maintain anonymity. She stands gracefully on gray stone steps, legs crossed, one hand resting on a polished, curved wooden handrail, shot from a low, slightly wide angle. Scene features include intricately carved dark wood railings adorned with circular floral panels, tall cream-colored walls, natural sunlight streaming through a large window on the left, a warm double-bulb wall lamp in the upper right corner, and the winding curve of the staircase behind her. The composition utilizes realistic skin tones, delicate fabric folds, glossy carved wood, natural interior lighting, shallow depth-of-field editing, vertical composition, and a high-end lifestyle magazine style. A subtle, semi-transparent watermark is added near the stairs in the lower left corner, with the text:{argument name="watermark text" default="Alconia"} .