:root{color-scheme:light;--ink:#243449;--navy:#1d3f63;--line:#d5dee8;--gold:#aa7b25}
*{box-sizing:border-box}html{scroll-padding-top:115px}body{margin:0;background:#f3f6fa;color:var(--ink);font:16px/1.75 "Segoe UI",Arial,sans-serif}a{color:var(--navy);text-underline-offset:3px}a:focus-visible,button:focus-visible,summary:focus-visible,.guide-table:focus-visible{outline:2px solid #1763ad;outline-offset:3px}.guide-skip{position:absolute;top:-100px;left:12px;background:white;padding:8px;z-index:3}.guide-skip:focus{top:8px}
.guide-header{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:14px max(20px,calc((100vw - 1120px)/2));border-bottom:2px solid var(--gold);background:var(--navy);color:white}.guide-brand{color:white;font-size:20px;font-weight:700;text-decoration:none}.guide-brand span{display:block;font-size:13px;font-weight:400}.guide-header nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.guide-header nav a,.guide-header button{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:7px 11px;border:1px solid #b8c9da;border-radius:4px;background:white;color:var(--navy);font:500 14px/1.5 "Segoe UI",Arial,sans-serif;text-decoration:none;cursor:pointer}.guide-header nav a:hover,.guide-header button:hover{background:#eaf0f6}
main{max-width:1120px;margin:24px auto;padding:28px 36px;border:1px solid var(--line);background:white}h1,h2,h3{color:var(--navy);line-height:1.4}h1{font-size:28px;margin:0 0 20px}h2{font-size:23px;margin:40px 0 18px;padding-top:16px;border-top:1px solid var(--line)}h3{font-size:18px;margin:28px 0 12px}p{margin:12px 0}li{margin:6px 0}li>p{margin:6px 0}strong{font-weight:650}.guide-table{overflow-x:auto;margin:18px 0;border:1px solid var(--line)}table{width:100%;min-width:620px;border-collapse:collapse;font-size:15px}th,td{padding:10px 12px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);text-align:left;vertical-align:top}th{background:#eaf0f6;color:var(--navy);font-weight:650}tr:nth-child(even) td{background:#f7f9fc}td:last-child,th:last-child{border-right:0}tr:last-child td{border-bottom:0}code{padding:2px 4px;background:#eef2f6;font-size:.94em;overflow-wrap:anywhere}footer{padding:10px 20px 28px;text-align:center;font-size:14px;color:#52657b}
@media(max-width:640px){html{scroll-padding-top:16px}body{font-size:15px}.guide-header{position:static;padding:12px 16px}.guide-header nav a,.guide-header button{min-height:44px}main{margin:12px 8px;padding:20px 16px}h1{font-size:24px}h2{font-size:20px}ol,ul{padding-left:24px}table{font-size:14px}th,td{padding:9px}}
@media print{@page{size:A4;margin:16mm}body{background:white;font-size:10.5pt;line-height:1.5}.guide-header,.guide-skip{display:none}main{max-width:none;margin:0;padding:0;border:0}h1{font-size:22pt}h2{font-size:16pt;break-after:avoid}h3{font-size:12pt;break-after:avoid}p,li{orphans:3;widows:3}.guide-table{overflow:visible;border:0}table{min-width:0;font-size:9pt;table-layout:auto}th,td{padding:5px 6px}thead{display:table-header-group}tr{break-inside:avoid}a{color:inherit}footer{font-size:9pt;padding-top:20px}}
/* Long formulas wrap inside the page; wide tables keep their own scrollbar. */
main{min-width:0;overflow-wrap:anywhere}.guide-reference{margin:24px 0;border:1px solid var(--line);padding:12px 16px;border-radius:4px}.guide-reference summary{cursor:pointer;font-weight:600;color:var(--navy)}