Lonely Fortress Eastern Poetic Negative Space Art Poster AI Image Prompt

9:16 vertical Eastern poetic negative-space art poster, cool-toned light gray-blue premium handmade art paper background, realistic paper fibers, pulp particles, and natural embossed texture, 73% effective negative space. The small subject is a tiny point of vermilion isolated city within ten-thousand-ren white mountains, occupying only 12% of the middle of the image; the vermilion architecture is almost buried by the vast snow and distant mountains. Low-contrast bas-relief embossing consists of layered distant mountain snowlines extending from the isolated city to the top, bottom, left, and right of the image; the farther the snowlines, the fainter they become, continuous and soft without breaks, looking clean from afar and only upon close inspection revealing the sense of distance of the city wrapped in countless layers of snowy mountains. Main color system is paper white + cool cyan-gray + a touch of vermilion; colors gradually fade from the vermilion center outward into cool white paper color, with no chaotic texture. Main title “孤城” (Lonely Fortress) is placed in the upper-left area of the image, using a modern Song-style Chinese serif font, wide letter spacing, complete and clear strokes, matte dark charcoal gray, medium font size; below it is paired an extremely small line of poetry “一片孤城万仞山” (A lonely city amid ten-thousand-ren mountains), and at the bottom add an even smaller location and date and a slender English title Lonely Fortress. Overall it is a combination of classical poetry mood, paper material experiment, bas-relief art, and modern editorial design; at first glance it is extremely minimal and clean, at second glance one sees the touch of vermilion in the snowy mountains, and only upon close inspection discovers the snow traces on countless layers of distant mountains. No text errors, no AI artifacts, clean image with no extra elements