Subject: The image contains six independent elements: top left is a closed dark blue book with a pair of white round-frame glasses placed on it; directly above is a white multi-story office building with a small blue flag planted on its roof; top right is an opened white envelope, inside which a dark blue letter paper with horizontal lines is partially visible; bottom left is an unfolded white document paper, with a dark blue pen placed next to it; center bottom is an opened white cardboard box, containing neatly stacked documents or items inside; bottom right is an opened silver-white laptop, with a circular play button displayed on its screen. Scene: Dark blue solid-color minimalist background. Style: Isometric 3D design, flat combined with three-dimensional, business technology style. Color scheme: Blue and white two-color matching, stable and professional layers. Lighting: Neat and clear lighting, distinct angular texture. Composition: Evenly partitioned layout, neat and grand arrangement. Usage: Business office UI design, workplace office theme, corporate office visual material.