keep the entire background exactly unchanged do not modify the room walls floor lighting or composition only enhance the central folding screen to be ultra photorealistic aluminum frame thin brushed metal with subtle reflections slight imperfections precise edges fabric panels white slightly translucent textile soft tension minimal wrinkles light diffusion with gentle glow ensure realistic contact with the floor accurate shadows and natural integration with the existing lighting in the scene maintain the exact shape size and position of the screen no redesign photorealistic materials soft shadows physically accurate rendering
