Build a checkout gate with Tailwind CSS offering three paths: continue as guest with just an email, sign in with a password, or use a social button. Lay them out as a primary guest panel beside a compact sign-in column, with an order summary strip above both and a lock icon carrying the reassurance 'Your cart is saved'.
提示词保持英文原文——直接粘贴进 Claude、Cursor、v0 或任何 AI 编程工具即可使用。