清新健康天然牛奶海报

{
 比例 9:16，主体是一盒蓝白包装牛奶（旁溅奶花）；背景为蓝天白云。文字居上是 “天然好奶 活力满满”，下方木质标牌写卖点。风格清新健康风，色彩明亮蓝白调，光影通透，构图牛奶居中，文字置顶、标牌点缀，氛围清新自然。
}

{
  Aspect ratio 9:16, the main subject is a box of milk in blue-white packaging (with milk splashes beside); the background is blue sky and white clouds. The text "Natural Good Milk Full of Vitality" is at the top, with selling points written on wooden signs below. Style: fresh health style, bright blue-white tones, transparent light and shadow, composition with milk in the center, text at the top and signs embellished, creating a fresh and natural atmosphere.
}