电影感蓝莓酸奶广告：高级感诠释

渲染要点：Ultra-realistic cinematic yogurt advertisement showing a premium blueberry yogurt cup labeled “Berry Cream” bursting from a creamy yogurt splash. Fresh blueberries, milk droplets, and glossy cream waves surround the cup. A modern smartphone behind shows a breakfast social feed. Soft purple-blue gradient background, bright studio lights, high-speed liquid motion, luxury dairy commercial, 8K resolution.。变体：保留构图、替换主体，可快速生成同主题多产品的系列素材。