简约风室内房间光线照射背景素材

dark minimalist interior space, deep black and gray-blue color scheme, subtle texture on floor and walls, a beam of light shining diagonally from the upper right corner, illuminating part of the floor and walls, creating a serene and spacious atmosphere, strong sense of depth, fine granular texture enhancing realism and layering, gradient lighting in the background, smooth transitions between light and shadow, overall visual effect highlighting contrast and spatial depth, conveying a mysterious, calm, and focused mood, suitable for tech, futuristic, or high-end product display scenes