Scale from 896px on 1080p up to 1440px on 3440px screens via viewport breakpoints in site-width. Co-authored-by: Cursor <cursoragent@cursor.com>
Move width utilities into scanned components as literal class names, add lib to Tailwind content and safelist. Verified max-w-4xl in build CSS and /learn HTML. Co-authored-by: Cursor <cursoragent@cursor.com>
Use numeric /learn/{num} routes, register Tailwind coin animations with方孔铜钱 UI, expand to 34 provinces, and surface missing OPENAI_API_KEY clearly. Co-authored-by: Cursor <cursoragent@cursor.com>