通用海报背景，极具泛用性

prompt：poster-bg, a surreal digital illustration shoot from a birds eye view about a floating landscape featuring an open book with a golden pagoda and cherry blossom trees, set against a serene landscape with mountains and a waterfall, the image also shows a small green boat floating on a calm, turquoise body of water, with a waterfall cascading down the middle of the image, on the floating book, there are golden pagodas and cherry blossoms, adding a touch of serenity to the scene, the scene is set in a mountainous area with snow-capped peaks, and the sky is filled with fluffy white clouds, creating a dreamy, ethereal atmosphere, the overall color palette is soft and pastel, with shades of pink, white, and blue

权重：0.8-1

CFG：4

采样步数：30