网红 can be a noun (influencer) or adjective (viral/trending). 网红店 = viral shop, 网红打卡地 = instagrammable spot. Can be slightly dismissive, implying style over substance.
culture
China's influencer economy is massive — top 网红 earn more than movie stars. Platforms like Douyin (TikTok), Xiaohongshu, and Kuaishou are the main stages.