Highly detailed bright vintage floral illustration, featuring blooming peonies, lilies, and elegant butterflies, arranged gracefully around all four edges of the image. Central area is empty, with the word "DUODAI" in large golden serif font at the center. Light cream background with subtle floral texture. Vibrant and luminous color palette of blush pink, ivory white, soft green, warm coral, and light turquoise. Flat botanical illustration style with high clarity, soft shadows, no photographic realism, bright and airy composition, luxury fashion invitation layout