:root{color-scheme:light;--navy:#0a1628;--ink:#142033;--muted:#4b596b;--green:#087f54;--green-soft:#eaf7f1;--border:#dce4e9;--bg:#f4f7f9;--warn-bg:#fff4e5;--warn:#6d4c1d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.65}main{max-width:900px;margin:0 auto;padding:30px 18px 70px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;color:var(--navy);text-decoration:none}.mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:var(--navy);color:#fff;font-size:20px}.nav{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0}.nav a{padding:9px 13px;border-radius:12px;background:var(--green-soft);color:var(--green);font-weight:750;text-decoration:none}.nav a[aria-current="page"]{background:var(--navy);color:#fff}.card{background:#fff;border:1px solid var(--border);border-radius:22px;padding:26px;box-shadow:0 9px 32px rgba(10,22,40,.055)}h1{font-size:clamp(28px,5vw,38px);line-height:1.15;margin:2px 0 12px}h2{font-size:20px;margin:30px 0 8px}p,li{color:var(--muted)}a{color:var(--green)}.lead{font-size:17px}.note{padding:15px;border-radius:15px;background:var(--warn-bg);color:var(--warn)}.footer{margin-top:22px;font-size:13px;color:#708093}.footer strong{color:var(--ink)}ol,ul{padding-left:23px}@media(max-width:600px){main{padding-top:20px}.card{padding:20px}.nav a{flex:1 1 auto;text-align:center}}