简约卡通风水下世界鱼游动气泡圆形构图插画

A circular logo， with a fluid and dynamic line representing the Yangtze River as the background. It features a simplified image of a finless porpoise， with 12 dots symbolizing 12 cities. The design is minimalist and symmetrical， primarily following the style of Kenya Hara. The color scheme is in shades of blue and green，扁平风格，插画，网页插画，平面