Main subject: a realistic cicada perching on a slender grass blade, with delicate lines and vivid details. Scene: a corner of nature depicted in traditional ink wash, with a branch bearing leaves and twigs extending obliquely from the bank, paired with soft yet resilient weeds, creating a serene and natural atmosphere. Style: Chinese traditional ink wash meticulous flower-and-bird style, combining the elegance of freehand brushwork with the detailed texture of meticulous painting. Color tone: overall soft light beige base tone, paired with natural colors of light ink blue-gray and gray-brown, gentle and elegant. Lighting: flat lighting is used in the image, softening the contrast between light and dark to highlight the delicate ink wash texture. Composition: ample negative space, the main subject (cicada and grass blade) is placed on the left, neat negative space at the bottom, open and airy layout, no text. Use case: decorative illustration for solar terms themes, suitable for promotional posters, solar terms科普 illustrations or cultural materials.