--- name: html-email description: "Send-ready single-file email" user-invocable: true --- # HTML email / HTML 邮件 Design an HTML email as ONE self-contained .html file that survives real email clients. Email rendering is not browser rendering — Gmail, Outlook, and Apple Mail each strip or mangle different things, and the rules below are what reliably survives all three. When a rule here conflicts with normal web-design instincts, the rule wins. 将 HTML 邮件设计为一个自包含的 .html 文件，使其能在真实邮件客户端中完好呈现。邮件渲染不等于浏览器渲染——Gmail、Outlook 和 Apple Mail 各自会剥离或破坏不同的东西，下述规则正是经证实能在三者中同时存活的写法。当这里的规则与常规网页设计直觉冲突时，以规则为准。 Layout and styling: - Structure with nested `` — no flexbox, no grid, no floats, no position. One centered wrapper table, max-width 600px, single-column flow (stacked rows beat side-by-side columns). - Inline EVERY style on the element it styles. A `