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Generate a high-end Oriental museum exhibition poster. Theme: 【theme name】 Chinese title: 【main Chinese title】 Subtitle: 【Chinese subtitle】 English subtitle: 【English subtitle】 Exhibition period: 【2026.xx.xx — 2026.xx.xx】 Venue: 【museum / art gallery · exhibition hall】 Subject: 【porcelain / bronze / tea ware / flower-and-bird painting / jade / lacquerware / ancient books, etc.】 Background color: 【deep peacock green / deep indigo / dark gold-ink green / dark tea brown-red / deep black, etc.】 Background line drawing: 【lotus / branching vines / cloud pattern / taotie pattern / bamboo leaves / plum branches / object contours】 Ratio: vertical 3:4 The overall style is a high-end Oriental museum exhibition poster, with a dark paper background, fine grain, aged-paper texture, and authentic printed-poster quality. Place an oversized main Chinese title on the left or upper left, using a Song / Ming / ancient-book title typeface, in old gold or cream gold. The title must have a subtle gradient, paper texture, gold-dust particles, slight mottling, and aged edges; do not use flat, solid-color lettering. The subject is a museum-grade hero object, elegant in form, rich in pattern, refined in material, with artistic collectible value. Present it with partial cropping, a large cut-in at the lower right corner, a circular picture window, or half emerging from the frame; do not do a full product-shot. Add clearly discernible, low-contrast decorative line drawings to the background, such as lotus, branching vines, cloud pattern, taotie pattern, bamboo leaves, plum branches, object contours, etc. The line work must be complete and structured, not too faint or too vague. The layout includes: a large Chinese title, an English subtitle, a date module in the upper right corner, and small-text information at the bottom such as exhibition introduction / opening hours / organizer / academic support. The whole should have white space, hierarchy, rhythm, and authentic museum key-visual quality. Avoid cheap guochao, tourism posters, e-commerce ads, cartoonish feel, neon feel, textureless titles, overly empty backgrounds, overly faint line work, crude objects, garbled text, cramped layout, and low resolution.