绿色渐变风简约背景

Vertical long commercial advertising background, with a vertical gradient from light lemon yellow to deep forest green from top to bottom, countless soft and blurred horizontal light streaks evenly layered, matte and frosted paint material, with a faint and delicate texture of paper grain, soft and diffused natural light, a large area of clean white in the center of the image for text layout, a fresh and natural minimalist ecological atmosphere, low saturation soft color scheme, smooth gradients without harsh color block boundaries, 8K ultra-clear vertical wallpaper aspect ratio. --v 7 --ar 16:9 --c 1