制作一张 4:5 的高级感广告海报，标题为：“书中的图书馆”。 主视觉：画面中央竖立着一本巨大的精装书，封面微微敞开。书页内部呈现出一个微缩的图书馆世界，微小的楼梯连接着悬浮的书架。 Midjourney 提示词： A premium 4:5 advertising poster titled "THE LIBRARY INSIDE THE BOOK". Main visual: A single giant hardcover book stands vertically in the center, cover slightly open. Inside the book is an entire miniature library world, tiny staircases connecting floating bookshelves, intricate architectural details, magical atmosphere, surrealism, cinematic lighting, 8K resolution, highly detailed, photorealistic, bokeh background, ethereal glow.