水彩风五一夏初花卉蝴蝶插画素材海报

early summer May Day promotion theme, center arch light orange gradient background, top with delicate hand-drawn orange tulips and small butterflies, text layout: top "EARLY SUMMER" in light pink serif font, middle "五一钜惠?美耀初夏" in large black calligraphy font, bottom "夏日 summer 计划" and small body text in white and black, overall flat illustration style with soft watercolor texture, clean white border, fresh and warm color scheme of peach orange to light pink, balanced matrix layout, ample white space, high definition, cinematic soft light, 治愈 aesthetic, suitable for beauty promotion