华盛顿表示正在与伊朗对话，德黑兰警告“手始终在扳机上”，美伊局势微妙

Group 1 - The core message emphasizes the potential for a regional war if the U.S. continues its military actions in the Middle East, as warned by Iranian leaders [1][3] - Iran's leadership, including President Pezeshkian and Supreme Leader Khamenei, has expressed a desire for diplomatic solutions while maintaining military readiness [1][3] - The ongoing tensions are highlighted by Iran's military exercises in the Strait of Hormuz and the U.S. military's warnings against Iranian actions [4][5] Group 2 - The negotiations between the U.S. and Iran are complicated by differing demands, with the U.S. seeking to halt Iran's nuclear and missile programs, while Iran insists on the continuation of its nuclear activities for civilian purposes [5][6] - Iran's strategy includes maintaining open diplomatic channels while signaling the high costs of military action against it, indicating a readiness to respond to any aggression [6][7] - The geopolitical landscape is influenced by the positions of other Middle Eastern countries, particularly Israel and Saudi Arabia, which have their own interests in the U.S.-Iran negotiations [7][8][9]