Community Library Book Swap Day

Create a 4:5 vertical original case image titled "Community Library Book Swap Day". The scene should depict: community library book swap day in a contemporary Chinese context, following the same subject and composition described in the Chinese prompt. Keep the main subject clear, with layered foreground, middle ground, and background. Use realistic human and object proportions with no stretching, compression, or wide-angle distortion. If visible copy is needed, use natural Simplified Chinese; technical UI scenes may keep necessary English code, commands, variables, and status codes. No real platform marks, real brand logos, watermarks, garbled pseudo-text, or unrelated external logos.

生成一张 4:5 竖版原创案例图，主题为「社区图书交换日」。社区图书交换活动，居民把旧书摆在折叠桌上互相推荐，书名不可读，孩子坐地上翻书，自然光。构图必须适合提示词案例缩略图：主体明确，前中后景有层次，人物和物体比例真实，不要拉伸、压扁或过度广角畸变。如果画面需要出现文字，使用自然简体中文；如果是技术界面，可以保留必要的英文代码、命令、变量名和状态码。不要出现真实平台商标、真实品牌 logo、水印、乱码、伪英文或无关外部标识。