中国风喜庆场景红底金纹背景素材

aspect ratio, general party and government meeting background poster, deep red and golden main tones, symmetrical and neat layout, subtle texture of red silk and gold foil, minimalist line art of solemn columns, soft gradient light, high-definition 8K, dignified and formal atmosphere, large blank text area, clean composition, no redundant elements, official and elegant --ar 16:9 --v 7.0