蓝色简洁用户管理后台模板，蓝色风格，DIV+CSS布局设计，看上去很正规、干净、简单，功能页面以选项卡切换方式打开，只是没提供功能页面的模板，需要自己手动打造一个。-Simple user management background blue template blue style, DIV+ CSS layout design, looks very formal, clean, simple, functional page tabs to switch opened, but did no