施压哈马斯、安抚以色列，万斯访以力保停火协议不夭折

Group 1 - The core viewpoint of the article is that U.S. Vice President Vance's visit to Israel aims to support the fragile Gaza ceasefire agreement, which has shown mixed results since its implementation [1][7] - Vance expressed optimism about the ceasefire's implementation, stating it is "better than expected," despite ongoing tensions and accusations of violations from both sides [1][7] - The U.S. military has established a coordination center in Israel to support post-conflict stabilization efforts, but will not deploy ground troops into Gaza [5][8] Group 2 - Vance's strong message to Hamas emphasized the need for disarmament, warning that failure to comply could lead to severe consequences, echoing sentiments from former President Trump [2][4] - The ongoing negotiations involve multiple parties, including Hamas representatives meeting with Turkish officials and discussions in Cairo regarding the ceasefire and Palestinian internal dialogue [6][8] - The situation remains complex, with Israel expressing dissatisfaction over the pace of the return of remains of captured personnel, which has led to delays in humanitarian aid access to Gaza [7][8]