:root{color-scheme:light dark;--bg:#f5f5f7;--paper:#fff;--text:#1d1d1f;--muted:#66666d;--line:#dedee3;--link:#0066cc;--note:#f2f6ff}*{box-sizing:border-box}html{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.7;background:var(--bg);color:var(--text);scroll-behavior:smooth}body{margin:0}a{color:var(--link);text-underline-offset:3px}a:focus-visible{outline:3px solid var(--link);outline-offset:4px;border-radius:2px}.skip{position:absolute;left:16px;top:-100px}.skip:focus{top:12px;background:var(--paper);padding:10px;z-index:10}header,main,footer{max-width:880px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.brand{color:var(--text);font-weight:700;letter-spacing:-.03em;font-size:20px;text-decoration:none}nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}main{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:42px 48px}h1{font-size:clamp(28px,5vw,42px);line-height:1.2;letter-spacing:-.035em;margin:10px 0 18px}h2{font-size:21px;line-height:1.35;margin:34px 0 12px;letter-spacing:-.02em}p{margin:12px 0}ul,ol{padding-left:24px}li{margin:7px 0}.eyebrow{color:var(--muted);font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}.meta{color:var(--muted);font-size:14px}.intro{font-size:19px;line-height:1.65}.note{padding:18px 22px;background:var(--note);border-radius:14px;margin:22px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0}.card{display:block;border:1px solid var(--line);border-radius:16px;padding:18px;text-decoration:none}.card strong{display:block;font-size:17px}.card span{color:var(--muted);font-size:14px}footer{color:var(--muted);font-size:13px;padding-bottom:36px}footer p{margin:6px 0}table{width:100%;border-collapse:collapse;font-size:15px}th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-weight:600}.table-wrap{overflow:auto}@media(max-width:600px){header,footer{padding:20px}main{border-radius:18px;margin:0 12px;padding:26px 22px}.cards{grid-template-columns:1fr}nav{gap:12px}h2{margin-top:28px}.intro{font-size:17px}}@media(prefers-color-scheme:dark){:root{--bg:#111113;--paper:#1c1c1e;--text:#f5f5f7;--muted:#a9a9b2;--line:#38383e;--link:#7bbaff;--note:#242c3d}}