Prompt:

Cartoon-style illustration of a happy family walking together in a park mother, father, young girl, and young boy all smiling and laughing joyfully, flat vector design, bold clean outlines, bright solid colors, minimal shading, playful and simple look, white background, no frame --sref 1317494206 --ar 5:3

一家四口在公园里快乐地散步，母亲、父亲、年轻女孩和年轻男孩都在微笑和开心地笑着，扁平矢量设计，轮廓线条粗犷清晰，色彩明亮饱和，几乎没有阴影，玩乐且简单的外观，白色背景，未加边框。