Group 1 - The core viewpoint of the articles highlights the evolution of NBA stars' promotional activities in China, transitioning from random commercial appearances to becoming a central module in global sports brand marketing strategies, emphasizing cultural empowerment and localized ecosystem development [1][4] - Sports brands are embedding star IPs deeply into Chinese cultural contexts, transforming them into cross-cultural communication mediums, thus establishing emotional recognition systems that transcend product functionality [2][4] - The connection between cultural experiences and product trust has remained intact, with brands utilizing star visits to enhance consumer awareness of localized production processes, thereby reconstructing and expanding consumption scenarios [3][4] Group 2 - The strategy of cultural empowerment is viewed as a "soft competitiveness," while the establishment of localized ecosystems is defined as a "hard infrastructure" supporting long-term brand growth [4][6] - Youth training systems are crucial for brands' localized strategies, recognizing that the youth demographic represents both future core consumers and significant potential in the Chinese sports market [4][6] - Grassroots events serve as important vehicles for brands to penetrate regional markets, with collaborations and cross-industry partnerships further expanding brand commercial ecosystems [5][6]