:root{color-scheme:light;--ink:#182c30;--muted:#53666a;--accent:#006d78;--line:#dfe8e6;--paper:#fff;--wash:#f5f8f6}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--wash);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.75;-webkit-text-size-adjust:100%}
a{color:var(--accent);text-underline-offset:3px;overflow-wrap:anywhere}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:2px}
.skip{position:absolute;top:-100px;left:16px;background:white;padding:8px 16px;z-index:2}
.skip:focus{top:8px}
.shell{max-width:960px;margin:auto;padding:0 24px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:28px 0}
.brand{font-size:21px;font-weight:750;letter-spacing:-.6px;text-decoration:none;color:var(--ink)}
nav{display:flex;gap:10px 24px;flex-wrap:wrap;font-size:14px}
nav a[aria-current=page]{font-weight:700;color:var(--ink)}
.paper{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:42px 48px;box-shadow:0 8px 28px #182c3004}
h1{font-size:clamp(30px,5vw,42px);line-height:1.15;letter-spacing:-1.2px;margin:0 0 14px}
h2{font-size:21px;line-height:1.35;letter-spacing:-.35px;margin:34px 0 12px}
h3{font-size:17px;margin:22px 0 6px}
p{margin:12px 0}
.updated,.muted{color:var(--muted);font-size:14px}
.updated{margin-bottom:26px}
ul,ol{padding-left:24px}
li{margin:8px 0}
.notice{background:#eef7f6;border-left:3px solid var(--accent);padding:16px 20px;border-radius:0 10px 10px 0;margin:24px 0}
.notice p:first-child{margin-top:0}.notice p:last-child{margin-bottom:0}
.toc{display:flex;flex-wrap:wrap;gap:8px 18px;margin:24px 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0}
.card{display:block;border:1px solid var(--line);border-radius:14px;padding:24px;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--accent);background:#f8fcfb}
.card h2{margin:0 0 10px}.card p{color:var(--muted);font-size:15px;margin:0}
footer{padding:26px 0 36px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:600px){.shell{padding:0 16px}.topbar{padding:20px 0;gap:12px}nav{gap:8px 16px}.paper{padding:28px 22px;border-radius:16px}.cards{grid-template-columns:1fr}h2{margin-top:28px}.notice{padding:14px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:white;color:black;font-size:11pt}.shell{max-width:none;padding:0}.paper{border:0;box-shadow:none;padding:0}.topbar nav,.skip,.toc,footer{display:none}h2,h3{break-after:avoid}a{color:inherit}.notice{background:none;border:1px solid #aaa}h1{font-size:26pt}}