穿著彩虹編織毛衣、舉起一根手指的可愛寶寶

A cute, realistic baby wearing a hand-knitted rainbow sweater and matching knitted cap, vibrant multicolor yarn textures, soft chubby cheeks, big expressive eyes, baby raising one finger playfully, cozy handmade outfit, detailed knit stitches, studio lighting, shallow depth of field, dark neutral background, ultra-high resolution, warm and wholesome mood, photorealistic, 4k, sharp focus