:root{--bg:#f3efe7;--text:#2a2622;--muted:#8a8278}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Karla","Avenir Next","Segoe UI",system-ui,-apple-system,Helvetica,Arial,sans-serif;line-height:1.6;padding:48px 16px}
main{max-width:640px;margin:0 auto}
h1{font-size:26px;font-weight:600;margin:0 0 24px}
h2{font-size:17px;margin:28px 0 6px}
p{margin:0 0 10px}
a{color:inherit}
.back{display:inline-block;margin-bottom:28px;color:var(--muted);text-decoration:none;font-size:14px}
.todo{background:#fff3c4;padding:0 4px}
h3{font-size:15px;margin:18px 0 4px}
ul{margin:0 0 12px;padding-left:20px}
li{margin:0 0 6px}
main{overflow-wrap:anywhere}
ul.index{list-style:none;padding:0;columns:2;column-gap:24px;font-size:14px}
ul.index a{color:var(--muted);text-decoration:none}
ul.index a:hover{color:var(--text)}
.seal{margin-top:32px;font-size:12px;color:var(--muted)}
@media (max-width:520px){ul.index{columns:1}}