产品一页纸 · Product OnePage

Build one public product story on one fixed canvas. Combine brand positioning, conversion narrative, evidence discipline, product staging, and code-rendered typography. Do not turn a Landing Page into a screenshot or an infographic into a card wall.

source truth
→ public/private ledger
→ Brand Spine + one public thesis
→ headline spine + conversion
→ layout × art direction
→ real product stage + supporting visual
→ editable HTML/SVG master
→ render + machine gate
→ full-size and thumbnail review
→ independently recomposed derivatives