8k超清卡通插画，黑色背景，整体色调清新明亮，以蓝

8K ultra-clear cartoon illustration, black background, fresh and bright overall color, mainly blue and white. There are two cartoon characters in the picture. One is sitting on a No. 9-shaped swing, about 3-5 years old, wearing a yellow hat, blue shorts, black sunglasses, with a happy expression, and is playing on the swing The other is sitting on the ground reading, about 10-12 years old, wearing a blue shirt. The scene is full of childlike and vitality, with exquisite details, cartoon style, and high-definition picture quality.