Main features: GAD-7 anxiety self-assessment with 7 core questions, instant severity scoring and interpretation, optional AI-powered personalized analysis report (requires additional questions). Use cases: individual anxiety screening, professional preliminary assessment. Advantages: scientifically validated GAD-7 scale, rapid completion (minutes), private/secure data handling, optional AI-driven deep analysis (strengths/challenges/coping strategies), clear severity分级 (minimal to severe). Target users: adults (including pregnant women), self-assessment seekers, healthcare professionals. Workflow: answer anxiety symptom frequency questions → receive base score → opt for AI report → consider professional consultation based on results. Pricing: completely free with no hidden charges.