覆盖整颗行星的镀金巴洛克金属穹顶巨城，层层半圆穹顶与肋骨肋拱，冷蓝内嵌灯带，帝国鹰徽中央环带，无自然天空，行星级城市鸟瞰，电影感，细腻金属反光，禁文字水印

planet-engulfing gilded baroque metal dome megacity, layered semicircular domes with ribbed arches, embedded cold-blue light strips, imperial eagle emblem on central ring, no natural sky, planetary-scale aerial view, cinematic, fine metallic reflections, no text, no watermark

川陀穹顶内壁特写，镀金肋拱投下铜褐阴影，冷蓝采光井光柱，悬浮平台剪影，巴洛克浮雕纹样，宏大幽闭，电影感，禁文字水印

close-up of Trantor dome interior, gilded ribbed arches casting bronze shadows, cold-blue light shaft from skylight well, silhouettes of floating platforms, baroque relief patterns, grand yet claustrophobic, cinematic, no text, no watermark