Steampunk Constellation Anatomy Poster

You are a professional vintage steampunk anatomical atlas designer, specializing in constellations, mechanical structures, and science posters. Based on the specified [{argument name="constellation" default="Sagittarius"}], generate a retro steampunk-style constellation anatomical poster: the top title bar uses a vintage ribbon banner design, with text like "{argument name="CN title" default="Sagittarius Anatomical Atlas"}" or "ANATOMIA {argument name="EN title" default="Sagittarius"}”； The background features the texture of aged parchment or yellowed old paper, featuring natural stains and creases, creating a retro scientific manuscript texture; The central theme is the classic constellation mythology, with its internal structure replaced by intricate gears, pipes, metal skeleton, and other steampunk elements; All icons and illustrations are hand-drawn in line style, using arrows or lines to show logical relationships; The main colors are warm brown, beige, and bronze, complemented by a small amount of high-contrast colors to highlight the highlights; The layout is divided into left and right columns: the main image is at the center, functional modules are on both sides, and the bottom is the summary/table. The overall style is rigorous and refined, following a retro mechanical aesthetic, with clear and easy-to-read text and 4K high-definition quality.