卡通梦幻童话风粉色城堡彩虹独角兽漂浮云朵插画

cartoon illustration, dreamy and warm atmosphere, soft color palette of light purple, white, pink, and blue, unicorn standing on the right with rainbow-colored mane and tail, castle on the left, rainbow arching over the castle, clouds and stars in the background, heart-shaped patterns scattered throughout, balanced composition, soft colors, fairy-tale-like fantasyelemental, minimalist, Flat Illustration, clean background,