Chinese illustration, flat illustration, a couple happily sitting on the balcony, the boy is wearing casual clothes and trousers, happily holding the baby's clothes, the pregnant girl is wearing maternity clothes, smiling and looking at her belly, the home in the foreground is very tidy, flowers, indoors, there is a house in the middle ground, the background is blue sky and white clouds, the colors are bright, high saturation, contour light, glare, yellow tone, warm and bright, colorful, AI vector illustration, high quality, illustration