focus on enhancing the sofa to make it more visually refined and realistic improve the sofa s material texture fabric detail and subtle shadows so it appears high quality and natural slightly enhance the color vibrancy of the sofa while keeping the original color tone unchanged ensure the sofa remains the same design size and position do not change the layout camera angle or material proposal maintain all other materials and furniture exactly as provided enhance realism through accurate lighting reflections and material rendering only produce a clean professional photorealistic architectural render