扁平化简约风航海主题图标矢量素材

minimalist illustration, nautical theme, main objects include ship's wheel, lighthouse, compass, knots, anchor, yacht, cruise ship, sailboat, objects evenly distributed, no specific spatial relationship, background is pure white, no design, details include various knot patterns, blue and white color scheme, clear visual effects, conveying nautical culture and knowledge, simple environment, nautical atmosphere