伊朗称伊美谈判非常严肃深入，美媒称美提强硬要求、特朗普与军方有明显分歧

Core Viewpoint - The negotiations between the U.S. and Iran in Geneva have reached a critical stage, with significant differences in positions between the two sides, particularly regarding nuclear facilities and sanctions relief [1][3]. Group 1: Negotiation Dynamics - The third round of negotiations took place in Geneva, with Iran's Foreign Ministry spokesperson stating that discussions were "very in-depth and serious" [1]. - Iran has submitted a comprehensive proposal to the U.S., aiming to test America's commitment to diplomacy, which includes technical and practical measures to demonstrate that Iran does not intend to develop nuclear weapons [6]. - The U.S. is expected to demand the dismantling of key nuclear facilities and the transfer of all enriched uranium to the U.S., insisting that any agreement must be "permanently effective" [1][7]. Group 2: Market Reactions - Oil markets are closely monitoring the negotiations, with international crude oil futures experiencing fluctuations based on the progress of talks. Brent crude fell to $69.16, down nearly 2.4%, while WTI crude dropped to $63.6, down nearly 2.8% [3]. - Following reports of direct negotiations, oil prices rebounded, with Brent crude rising above $72.60 and WTI crude surpassing $66.70 during early trading [3]. Group 3: Internal Pressures and Military Context - U.S. negotiators face pressure from hawkish elements within the government and Congress, which may hinder the potential for a softer agreement [7]. - The U.S. has increased military presence in the Middle East, deploying two aircraft carrier strike groups and over 150 aircraft, marking the largest military deployment in the region since the 2003 Iraq War [9]. - There are indications of a split between military and diplomatic strategies within the U.S. administration regarding potential military action against Iran [2][9].