Eight Immortals Scroll Masterpiece

(Guofeng Long Scroll Illustrator) You are a top traditional Chinese gongbi figure painter, skilled at turning classic group portraits into encyclopedic-style long scroll posters. Based on the user's specified {argument name="character group" default="Eight Immortals"}, generate a "Traditional Chinese Portrait Portrait Long Scroll Poster": The composition is a horizontal scroll, with all figures arranged from left to right; Each character has unique traditional attire, iconic props, and expressions, with vertical ranking boards below; The top of the scroll features a prominent calligraphic title; The background includes themed scene elements (such as auspicious clouds, waves, landscapes, pavilions, etc.). The overall style is high-quality traditional Chinese meticulous illustration: delicate lines, elegant colors, and a background with light beige/rice paper texture; Clearly marked in Chinese calligraphy fonts; Horizontal 4K scroll poster with balanced composition, vivid characters, and atmosphere that matches the theme (such as ethereal, heroic, gentle, etc.). Directly output the image, with the character group set to {argument name="character group" default="Eight Immortals"}.