青少年对吸收、参与和实施的看法，以指导预防性跨诊断数字心理健康干预的发展：定性访谈研究。

Adolescence is a critical period for mental health prevention; yet, many young people face barriers to help-seeking, including stigma, limited mental health literacy, and restricted access to services. Preventive digital mental health interventions (DMHIs) offer a scalable, low-threshold approach to early support, but uptake and sustained engagement remain limited. Existing research has predominantly relied on quantitative methods and has only partly captured adolescents' perspectives. Qualitative research is therefore needed to inform the design and implementation of preventive DMHIs. This st