:root{--bg:#f6f6f6;--fg:#202122;--muted:#54595d;--link:#3366cc;--line:#c8ccd1;--panel:#fff}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--fg);background:var(--bg)}
header{background:var(--panel);border-bottom:1px solid var(--line);padding:12px 24px;display:flex;gap:16px;align-items:baseline;flex-wrap:wrap}
.logo{font:600 22px Georgia,"Times New Roman",serif;color:var(--fg);text-decoration:none}
.tag{color:var(--muted);font-size:14px}
.wrap{display:flex;max-width:1100px;margin:0 auto;gap:24px;padding:24px}
nav{flex:0 0 190px;font-size:14px}
nav h3{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:0 0 8px}
nav ul{list-style:none;margin:0;padding:0}
nav li{margin:5px 0}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
main{flex:1;min-width:0;background:var(--panel);border:1px solid var(--line);padding:24px 32px}
h1{font:400 30px Georgia,"Times New Roman",serif;margin:0 0 16px;border-bottom:1px solid var(--line);padding-bottom:6px}
h2{font:400 22px Georgia,"Times New Roman",serif;border-bottom:1px solid var(--line);padding-bottom:4px;margin:28px 0 12px}
.infobox{float:right;margin:0 0 16px 24px;border:1px solid var(--line);background:var(--bg);font-size:14px;border-collapse:collapse;width:290px}
.infobox caption{font-weight:600;padding:6px;background:#eaecf0;border:1px solid var(--line);border-bottom:0}
.infobox th,.infobox td{padding:5px 8px;border-top:1px solid var(--line);text-align:left;vertical-align:top}
.toc{display:inline-block;border:1px solid var(--line);background:var(--bg);padding:8px 20px 8px 16px;font-size:14px;margin:4px 0 8px}
.toc b{display:block;margin-bottom:4px}
.toc ol{margin:0;padding-left:20px}
.meta{color:var(--muted);font-size:13px;margin-top:32px;border-top:1px solid var(--line);padding-top:8px}
footer{text-align:center;color:var(--muted);font-size:13px;padding:8px 16px 24px}
@media(max-width:760px){.wrap{flex-direction:column;padding:12px;gap:12px}nav{flex:none}main{padding:16px}.infobox{float:none;width:100%;margin:0 0 16px}}