封关运作涉及面广、创新性强，是一项复杂的系统性工程，海南将如何履行主体责任，切实抓好各项政策落地实施?

Group 1 - The core viewpoint emphasizes that the implementation of policies related to the closure operation is crucial for Hainan's development opportunities and must be prioritized by the local government [1] - Hainan will focus on enhancing the sense of gain for businesses and the public by ensuring comprehensive understanding and utilization of policies through effective communication and international investment promotion [1] Group 2 - The implementation will also focus on institutional innovation to facilitate compliance and convenience for enterprises, aiming to create a synergistic effect from the integration of closure operation policies and existing free trade port policies [2] - Hainan aims to become a significant hub for domestic and international dual circulation by aligning with high-standard international trade rules and establishing various bases and networks to enhance foreign investment and trade [2]