:root{--indigo:#2c3e66;--indigo-light:#4a5c8c;--tint:#eef1f8;--amber:#f5a623;--red:#e4453a;--ink:#1a2233;--ink2:#5a6478;--ink3:#8a93a6;--line:#e2e6ef;--bg:#f7f8fb}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--indigo);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:880px;margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--line);background:#fff}.site-header .container{justify-content:space-between;height:64px}.brand,.site-header .container{display:flex;align-items:center}.brand{gap:10px;font-weight:800;color:var(--ink)}.brand .dot{width:28px;height:28px;border-radius:8px;background:var(--indigo);color:#fff;display:grid;place-items:center;font-size:15px}.nav a{color:var(--ink2);margin-left:20px;font-size:14px;font-weight:600}.hero{padding:72px 0 56px;text-align:center}.hero h1{font-size:40px;line-height:1.15;font-weight:800;margin:0 0 16px;letter-spacing:-.01em}.hero p{font-size:18px;color:var(--ink2);max-width:620px;margin:0 auto 28px}.badge{background:var(--tint);color:var(--indigo);font-size:13px;padding:6px 12px;margin-bottom:20px}.badge,.btn{display:inline-block;font-weight:700;border-radius:999px}.btn{background:var(--indigo);color:#fff;padding:14px 26px;font-size:16px}.btn:hover{background:var(--indigo-light);text-decoration:none}.btn.secondary{background:#fff;color:var(--indigo);border:1px solid var(--line)}section{padding:40px 0}h2{font-size:26px;font-weight:800;margin:0 0 8px}.lead{color:var(--ink2);margin-bottom:28px}.grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}@media (max-width:720px){.grid{grid-template-columns:1fr}.hero h1{font-size:30px}}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.card .ico{font-size:24px;margin-bottom:10px}.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--ink2);font-size:15px}.steps{counter-reset:step;display:grid;grid-gap:14px;gap:14px}.step{display:flex;gap:14px;align-items:flex-start}.step .n{flex:none;width:30px;height:30px;border-radius:50%;background:var(--indigo);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}.notice{background:#fff7ec;border:1px solid #f3d9a8;color:#8a6320;border-radius:14px;padding:18px 20px;font-size:15px}.prose{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px}.prose h1{font-size:30px;margin:0 0 6px}.prose .updated{color:var(--ink3);font-size:14px;margin-bottom:24px}.prose h2{font-size:20px;margin:28px 0 8px}.prose li,.prose p{color:var(--ink);font-size:15px}.prose ul{padding-left:20px}.site-footer{border-top:1px solid var(--line);background:#fff;margin-top:48px;padding:28px 0;color:var(--ink3);font-size:14px}.site-footer .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}.site-footer a{color:var(--ink2);margin-left:16px}