:root{--bg:#86C9AF;--card:#F6ECD6;--ink:#33261E;--red:#D9503F}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 -apple-system,"PingFang TC","Noto Sans TC",sans-serif}
main{max-width:720px;margin:24px auto;padding:24px 20px;background:var(--card);border:3px solid var(--ink);border-radius:16px}
h1{margin-top:0;font-size:28px}h2{font-size:19px;margin-top:28px;border-bottom:2px solid var(--ink)}a{color:var(--red)}
.lang{font-size:14px;opacity:.75}@media(max-width:760px){main{margin:0;border-radius:0;border-width:0}}