纸水墨风山水场景背景素材

minimalist abstract artwork, monochrome color scheme with gray gradient, layered texture structure resembling geological strata or stacked paper, flowing arrangement from left to right with increasing lightness, smooth and rhythmic visual effect, serene and mysterious atmosphere, clean and artistic environment, subtle texture details, no decorative patterns or borders, background seamlessly integrated with the subject, conveying a sense of tranquility and depth