扁平化世界地中海贫血日宣传插画素材海报

masterpiece, best quality, minimalist flat design poster, World Thalassemia Day theme, split background: top half light blue, bottom half white, bright red awareness ribbon in the center, simple red and white molecular chain graphics on both sides of the ribbon, bold white Chinese text "世界地中海贫血日" at the top center, dark blue Chinese text "关爱地贫患者，传递生命希望" at the bottom center, clean composition, simple geometric style, high resolution, print-ready