卡通手绘风梦幻宇宙行星云朵星星装饰渐变浅蓝色背景素

illustration, minimalist cartoon style, pastel color palette with light blue, and light green, childlike and playful. Various planets and stars scattered around the edges, different sizes and colors including red, blue, yellow. Stars dotted in between, varied shapes. Soft-colored clouds add depth. Objects arranged around the edges to create a frame effect with white space in the center. Gradient background for a dreamy space atmosphere. Fresh and cute overall visual, conveying a sense of joy and cosmic exploration. --ar 3:2