一个复古茶包

A single vintage tea bag lying on a clean white background, hand-painted with an intricate illustration resembling a book cover. The tea bag has delicate aged paper texture, soft warm lighting, and realistic details. On the painted design, leave a clear blank space labeled [BOOK] for the book title. Cinematic, high-resolution, vertical format 9:16. 一个复古茶包孤零零地放在干净的白色背景上，上面手绘着类似书籍封面的复杂图案。这个茶包有着细腻的陈旧纸张质感，搭配柔和温暖的光线，细节逼真。在手绘图案上，留出一块清晰的空白区域，并标注为【BOOK】，用于填写书名。整体呈现电影般的质感，高分辨率，采用9:16的竖版格式。