水彩风向日葵绿叶背景插画素材

illustration, minimalist vintage style, bright yellow and fresh green color scheme, main subject is blooming sunflower with full petals and distinct center, surrounded by green leaves, details include petal textures and leaf veins, background of seamless repeating sunflower pattern, bright and vibrant visual effect, conveys natural, warm, and positive emotional message,A big sunflower in the center