4.4.4.1 片区化责任管理——配图方案 画面主题：三分区责任网格示意图 构图要点：一张横向地图式布局，画面分为左中右三个色块区域，分别标注“怀宁管理分处”“潜山管理分处”“桐城管理分处”；每个区域内用图标标出渠系设施点位，并配“网格长—专职养护员—技术监督员”三级责任链示意（可用三个人形图标纵向排列）；整体风格为扁平化信息图，蓝绿色调，简洁清晰。 ai绘图提示词：flat infographic map divided into three colored zones labeled huaining, qianshan, tongcheng management sub-offices, each zone showing canal facility icons and a three-level responsibility chain with grid leader, maintenance worker, technical supervisor icons, clean blue-green color scheme, vector style, no text clutter, 16:9.