Group 1 - The core idea of the article emphasizes the transformation of public security systems into smart policing, enhancing urban governance and improving citizens' quality of life [6][7][10]. - The implementation of 24-hour self-service kiosks in Hubei's Xiantao City allows citizens to handle high-frequency administrative tasks like renewing travel permits efficiently, reducing the need for in-person visits [8][9]. - The smart traffic management system in Guangxi's Beihai City has significantly improved emergency response times, exemplified by a case where a child in distress was transported to the hospital in just 19 minutes due to optimized traffic signals [10][11]. Group 2 - The integration of technology in policing, such as the use of drones for surveillance and search operations, has enhanced public safety and response capabilities in Shenzhen [13][15]. - The article highlights the importance of human assistance alongside technological solutions, ensuring that citizens can receive help when facing difficulties with self-service systems [9][10]. - The smart traffic system not only aids in emergencies but also optimizes daily traffic flow during large events, demonstrating its versatility and effectiveness in urban management [11][12].