围绕俄乌总统会谈，美俄开始各提条件

Group 1 - The core viewpoint is that the U.S. will assist Ukraine in defense but will not deploy ground troops, emphasizing a preference for bilateral talks between Russia and Ukraine before any trilateral meeting with the U.S. [1][3][5] - Trump reiterated that Ukraine will not be allowed to join NATO, but some European countries have agreed to provide similar protective measures to what NATO offers [5][6] - Russian Foreign Minister Lavrov stated that any peace agreement regarding Ukraine must ensure Russia's security and that discussions should start from an expert level before moving to higher-level talks [6][8] Group 2 - The U.S. and its European allies are continuing discussions on how to provide security guarantees to Ukraine, with a focus on coordination between European nations and the U.S. [5][9] - Russia confirmed the exchange of deceased soldiers' remains with Ukraine, indicating ongoing negotiations and agreements between the two nations [9]