品牌模切乙烯基贴纸

制作一款印有 [品牌] 标志的大型模切乙烯基贴纸，该贴纸带有粗白色边框，完美居中于柔和的浅蓝色背景之上。从正上方垂直正视贴纸，其下方带有逼真的投影效果。整体采用简洁的扁平化设计，同时呈现出细微的 3D 立体感。贴纸占据画面的大部分空间，并保留品牌原有的色彩。尺寸为 1080x1080 像素的正方形格式。

Generate a large die-cut vinyl sticker of the [BRAND] logo with thick white border, perfectly centered on a soft light blue background. The sticker is viewed straight-on from directly above with realistic drop shadows beneath. Clean, flat design with subtle 3D depth. The sticker takes up most of the frame and maintains original brand colors. 1080x1080 square format.