The main conceptual idea of the text is the victory of Alianza Lima over Emelec in the "Tarde Blanquiazul", a presentation event for Alianza Lima's new squad ahead of the 2025 season. The text highlights: * Introducing the new players: Alianza Lima presented their new signings and team to the fans. * Comfortable win: Alianza Lima achieved a 2-0 victory against Emelec with goals from Ricardo Lagos and Eryc Castillo. * Fan excitement: The "Tarde Blanquiazul" was a successful event for Alianza Lima fans to celebrate the upcoming season. * Upcoming matches: The team will travel to Buenos Aires for more friendly matches in preparation for the Liga1. Therefore, the core focus is on Alianza Lima's victory and the positive atmosphere surrounding the team's preparations for the new season.