用心勾勒青春的模样（赛场观潮）

Group 1 - The core theme of the articles emphasizes the vitality and potential of youth, showcasing their achievements and contributions during the Fifteenth National Games [1][2] - Young athletes are highlighted for their remarkable performances, such as Zhang Zhanshuo breaking both world and national youth records in swimming, and the dominance of underage competitors in skateboarding [1] - The importance of perseverance is illustrated through athletes like Quan Hongchan, who competes despite injuries, and Sun Yingsha, who demonstrates composure under pressure [1] Group 2 - The role of volunteers, referred to as "Little Dolphins," is acknowledged for their essential support and service during the event, contributing to the overall success of the games [2] - The narrative of youth is portrayed as a driving force for the nation, emphasizing their ability to overcome challenges, refine their willpower, and realize their value through dedication [2]