渐变风简约背景素材

High saturation ink blue and ink purple blend and blend in the background, three vertical parallel fine lines, faint ink dot decorations at the bottom, minimalist style, 80% blank space, smooth and sharp lines, luxury advertisement style, cool tones, matte texture, macro lens, side backlight, metallic luster, understated luxury, abstract art. --c 8 --q 1 --s 108 --v 7 --ar 16:9 --stealth