:root{color-scheme:light;--ink:#202b31;--muted:#59666f;--line:#e3e8eb;--accent:#a9393e}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:#fff;color:var(--ink);font:16px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:0}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px;overflow-wrap:anywhere}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:3px solid #1e7895;outline-offset:5px;border-radius:2px}
.header,main,footer{max-width:1160px;margin:auto;padding-right:40px;padding-left:40px}
.header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:96px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:21px;font-weight:700;line-height:1.25;text-decoration:none}
.brand img{flex:none}.brand small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:3px}
.header>a:last-child{font-size:14px}
.intro{padding:52px 0 36px;border-bottom:1px solid var(--line)}
.eyebrow{text-transform:uppercase;font-size:12px;font-weight:700;color:var(--accent);margin:0 0 12px}
h1{font-size:38px;line-height:1.2;margin:0 0 18px;overflow-wrap:anywhere}
.lead{font-size:19px;line-height:1.5;margin:0 0 20px;color:var(--muted)}
.updated{font-size:13px;color:var(--muted);margin:0}.updated span{margin:0 8px}
.layout{display:grid;grid-template-columns:236px minmax(0,1fr);gap:56px;align-items:start;padding:36px 0 60px}
.contents{position:sticky;top:24px;font-size:13px;line-height:1.5}.contents h2{font-size:13px;margin:0 0 16px}
.contents ol{list-style:none;padding:0;margin:0}.contents li{margin:0 0 12px}.contents a{color:var(--muted);text-decoration:none}.contents a:hover{color:var(--accent);text-decoration:underline}
article{min-width:0}section{padding:0 0 26px;margin:0 0 30px;border-bottom:1px solid var(--line)}section:last-child{border:0;margin-bottom:0;padding-bottom:0}
h2{font-size:23px;line-height:1.35;margin:0 0 20px;overflow-wrap:anywhere}p{margin:0 0 18px}p:last-child{margin-bottom:0}ul{padding-left:24px;margin:0 0 18px}li{padding-left:3px;margin-bottom:14px}strong{font-weight:650}
footer{border-top:1px solid var(--line);padding-top:24px;padding-bottom:32px;display:flex;flex-wrap:wrap;gap:16px 28px;font-size:13px;color:var(--muted)}footer span{margin-right:auto}
.skip-link{position:absolute;top:-100px;left:16px;padding:8px 14px;background:white;z-index:2}.skip-link:focus{top:12px}
@media(max-width:800px){.header,main,footer{padding-right:24px;padding-left:24px}.layout{grid-template-columns:minmax(0,1fr);gap:32px}.contents{position:static}.contents ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.intro{padding-top:36px}h1{font-size:32px}h2{font-size:22px}}
@media(max-width:420px){.header,main,footer{padding-right:20px;padding-left:20px}.header{min-height:84px;gap:12px}.header>a:last-child{font-size:12px}.brand{font-size:19px}.contents ol{grid-template-columns:minmax(0,1fr)}h1{font-size:30px}.lead{font-size:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.contents,.skip-link,footer,.header>a:last-child{display:none}.layout{display:block;padding:24px 0}.intro{padding-top:24px}.header,main{max-width:none;padding-left:0;padding-right:0}body{font-size:11pt}a{color:inherit}section{break-inside:avoid}h1{font-size:26pt}h2{font-size:16pt}}