*{box-sizing:border-box}body{margin:0;background:#f4f6fa;color:#1e293b;font:16px/1.6 system-ui,sans-serif}main{max-width:720px;margin:36px auto;padding:0 20px}.badge{background:#fef3c7;color:#92400e;border-radius:6px;padding:6px 10px}h1{font-size:28px}h2{font-size:20px}section{padding:20px;background:white;border:1px solid #dce2eb;border-radius:12px;margin:20px 0}nav{display:flex;gap:20px}a{color:#11665c}button{font:inherit;background:#11665c;color:#fff;border:0;border-radius:6px;padding:10px 16px}pre{white-space:pre-wrap;word-break:break-word;font-size:13px}wx-open-subscribe{display:block;width:100%;height:60px}