俄乌总统岁末表立场，俄因官邸遇袭调整谈判姿态

Group 1 - The core viewpoint of the articles revolves around the ongoing complexities of the Russia-Ukraine conflict, with both sides engaging in strategic discussions and military actions as they navigate peace negotiations and security assurances [1][3][7] - U.S. and European leaders are actively involved in discussions to advance the peace process, focusing on practical steps to enhance Ukraine's security and establish conflict resolution mechanisms [1][3] - Ukrainian President Zelensky emphasized that Ukraine will not accept a peace deal at any cost, asserting the need for a definitive end to the war rather than a compromise that undermines Ukraine's sovereignty [3][7] Group 2 - The Russian Defense Ministry reported an attempted drone attack by Ukraine on President Putin's residence, indicating a targeted and well-planned operation involving 91 drones [3][4][5] - All Ukrainian drones were reportedly intercepted by Russian air defense forces, and the presidential residence was not damaged, showcasing the effectiveness of Russia's defensive measures [4][5] - In response to the drone attack, Russia announced a shift in its negotiation stance, with Foreign Minister Lavrov indicating that the attack would influence future discussions [7]