:root{--ink:#0e1726;--muted:#4b5568;--line:#e3e6ec;--bg:#ffffff;--accent:#0a3b7a;--soft:#f6f7f9;--warn:#7a4a0a;--warn-bg:#fff6e6;--maxw:1080px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
header.site{border-bottom:1px solid var(--line);background:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:baseline;gap:12px;padding:18px 0}
.brand strong{font-size:20px;letter-spacing:-0.01em}
.brand span{color:var(--muted);font-size:14px}
footer{padding:32px 0;color:var(--muted);font-size:13.5px;border-top:1px solid var(--line)}
footer p{margin:0 0 8px}
.disclaimer{font-size:12.5px;line-height:1.5;max-width:780px}
article{max-width:760px;margin:0 auto;padding:32px 20px 64px}
article h1{font-size:32px;line-height:1.2;letter-spacing:-0.02em;margin:0 0 16px}
article .meta{color:var(--muted);font-size:14px;margin:0 0 28px;padding-bottom:18px;border-bottom:1px solid var(--line)}
article h2{font-size:22px;margin:36px 0 10px;letter-spacing:-0.01em}
article h3{font-size:17px;margin:24px 0 6px}
article p{margin:0 0 14px}
article ul,article ol{margin:0 0 16px;padding-left:22px}
article li{margin:4px 0}
article .callout{background:var(--soft);border-left:3px solid var(--accent);padding:14px 16px;margin:18px 0;font-size:15px}
article .sources{font-size:14px;color:var(--muted)}
article .sources li{margin:6px 0}
article .breadcrumb{font-size:13px;color:var(--muted);margin:0 0 18px}
article .breadcrumb a{color:var(--muted)}
article table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14.5px}
article th,article td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
article th{font-weight:600;background:var(--soft)}
.related{background:var(--soft);border-radius:6px;padding:18px 20px;margin-top:36px}
.related h2{margin-top:0;font-size:16px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.related ul{list-style:none;padding:0;margin:8px 0 0}
.related li{margin:6px 0;font-size:15px}
/* shared navigation and components */
.brand{flex-wrap:wrap;padding:18px 20px}
.topnav{margin-left:auto;display:flex;flex-wrap:wrap;gap:4px 18px;font-size:14.5px}
.topnav a{color:var(--ink)}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:10}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
article pre{background:var(--soft);padding:14px 16px;overflow-x:auto;font-size:14px}
article .tablewrap{overflow-x:auto}
.btn{display:inline-block;padding:9px 16px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff;font:inherit;font-size:15px;cursor:pointer}
.btn.alt{background:#fff;color:var(--accent)}
.btn:hover{text-decoration:none;opacity:.92}
.tool{border:1px solid var(--line);border-radius:6px;padding:18px 20px;margin:18px 0}
.tool label{display:block;font-weight:600;font-size:14.5px;margin:12px 0 4px}
.tool label.check{font-weight:400;margin:6px 0}
.tool input[type=text],.tool input[type=search],.tool input[type=date],.tool textarea,.tool select{width:100%;padding:9px 10px;border:1px solid #b9c0cc;border-radius:4px;font:inherit}
.footnav a{white-space:nowrap}
@media (max-width:720px){.topnav{margin-left:0;width:100%}article table{display:block;overflow-x:auto}}
@media print{header.site,footer,.noprint,.related{display:none}body{font-size:12pt}}