:root{color-scheme:light;--paper:#f4f1e8;--ink:#354943;--blue:#34586a;--line:#d9ded3}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.85 system-ui,-apple-system,"Microsoft JhengHei",sans-serif}header,main,footer{max-width:900px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.brand{font-weight:650;color:var(--blue);text-decoration:none}nav{display:flex;gap:18px;flex-wrap:wrap;font-size:15px}a{color:var(--blue);text-underline-offset:5px}main{padding-top:52px;padding-bottom:60px;min-height:65vh}h1{color:var(--blue);font-size:clamp(28px,5vw,40px);line-height:1.4;font-weight:600;margin:0 0 24px}h2{font-size:22px;margin:34px 0 12px;color:var(--blue)}p,ul,ol{margin:12px 0 18px}.eyebrow,.meta{font-size:14px;color:#657569}.lead{font-size:21px;max-width:660px}.note{border-left:3px solid #a88b5e;padding:4px 20px;margin:26px 0}footer{border-top:1px solid var(--line);font-size:14px;color:#657569}li{margin:8px 0}a:focus-visible{outline:2px solid var(--blue);outline-offset:5px}@media(max-width:600px){header{display:block}nav{margin-top:16px}main{padding-top:32px}header,main,footer{padding-left:22px;padding-right:22px}}