水彩风植物花卉自然场景插画素材

a natural gradient from light blue to light green as the background, overlaid with light gray watercolor splatter textures in irregular patch shapes, with a circular copy area reserved in the center, suitable for flat advertisements featuring potted plants, with a fresh and natural style. --v 7 --ar 16:9 --c 3 --q 1 --s 100 --stealth