金箔简约风渐变背景素材

Luxury advertisement background, minimalist dual ink washes (high saturation imperial purple + black), double curves diagonally intersecting to form triangular blank spaces, faint ink dot-like washes sparsely dotting the edges of the blank spaces, concise and sharp lines, without redundant details, exuding luxury and elegance, symmetrical composition, dark lighting, matte texture, minimalist geometry, abstract art, a sense of sophistication, cool tones, minimalistism, luxurious atmosphere, smooth lines, blank space aesthetics, visual impact. --v 7 --ar 16:9 --c 8 --q 1 --s 108 --stealth