水墨风山峦飞鸟天空自由轻盈场景插画

illustration, ink wash style, monochrome palette, simple and elegant color scheme, mountains at the bottom, layered and staggered, sparse branches at the top left, birds flying in the air, scattered positions, mountain contours and branch textures as decorative elements, gradient background from mountain to sky, serene and distant visual effect, conveying a sense of tranquility, simple yet layered composition, profound artistic conception