Cute baby in knitted rainbow sweater raising one finger

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