产品视觉 GPT Image 2 提示词：Calligraphic City Impression Poster

【Background and Skeleton Lines】 Deep black background, a thick and powerful ink calligraphy S-shaped curve winding across the screen, vigorous strokes with varied ink density, forming the visual skeleton and narrative flow. 【Subject: {argument name="subject bird" default="thrush"}】 Above the curve, a {argument name="subject bird" default="thrush"} with wings spread occupies the visual core; the body is transparent like glass, reflecting traditional architectural layers inside with blue-green light streams; the outline is edged with fine gold lines. 【Mid-ground: Classical Architectural Sequence】 Below the bird, various scenic spots of {argument name="city" default="Guangzhou"} are scattered along the ink line: Baiyun Mountain, Chen Clan Ancestral Hall, and the Canton Tower; the main tones are blue-green and pale gold with clear architectural details; Kapok flowers and ink-wash clouds add ethereal layers. 【Foreground: White Cranes and Water Surface】 Lakeside foreground: several white cranes in various elegant poses; the light blue water is mirror-like with sparkling light, creating a serene atmosphere. 【Background: Mountains】 Distant mountains rise and fall in indigo ink shading from thick to light, creating depth of field. 【Composition and Lighting】 Non-linear perspective with the ink curve as the axis; light radiates from the center creating strong contrast; cool tones dominate with warm accents; fusion of Eastern aesthetics and modern imagery. 【Technical Specs】 8K Ultra HD rendering, extreme detail precision, best quality, ratio {argument name="aspect ratio" default="9:16"}