中国风简约波浪纹理背景素材

minimalist geometric pattern, repeating symmetrical wavy lattice, curved diamond shapes alternating between Chinese red and warm beige, inspired by mid-century modern textile design, smooth flat color, no gradient, no lighting, no shadow, clean vector-style surface, elegant rhythm and visual balance, modern oriental festive tone, premium background texture, 2D flat design, seamless repeating pattern, ultra-high resolution, 32K UHD