1940s retrofuturistic sci-fi illustration bold lines vivid hues white red, orange, yellow, teal against dark moody sky. 1940s vector art style book cover classic car high-definition photorealistic style illustrated background. Include 3D illustration futuristic retro cityscape vibrant achromatic colors, Art Deco structures, domes, giant Jupiter sky. Add bustling streets, detailed crowd, intricate architecture
--no dark-warm-colour-tones
--v 6.1 --ar 1:2 --s 1000 --c 15
