Create a square Vietnamese baby-nutrition promotional poster in a playful glossy 3D cartoon advertising style: top row has logos “Vallac”, a small partially legible “HỆ THỐNG MẸ & BÉ …ERY”, and “Pitelac”; below them place huge inflated blue-and-yellow headline typography reading “CHỐT DEAL NGAY”, “QUÀ KHỦNG”, “LIỀN TAY”, decorated with stars, lightning marks, and a small flame effect. Under the headline, add a rounde…