李想宣布易烊千玺出任理想汽车首位品牌代言人

Group 1 - The core point of the article is the announcement of Li Auto's first brand ambassador, Yi Yangqianxi, which marks a significant marketing strategy for the company [1] - The event is highlighted as the first launch event for the Li Auto i6, featuring a brand ambassador TV commercial, indicating a new phase in the company's promotional efforts [1]