中国风简约线条艺术九大城市天际线剪影深蓝背景插画

minimalist illustration, deep blue and white color scheme, nine city skyline silhouettes arranged in a 3x3 grid, city names and countries labeled below each skyline, modern sans-serif font, white text, reflection effect of skylines, solid deep blue background, clean and clear visual effect, conveying unique architectural styles and geographical information of different cities