:root{--ink:#16263a;--nuit:#0c2138;--brand:#0ea597;--brand-d:#0b8177;--brand2:#22d3b8;--paper:#f4f8f9;--muted:#5f7488;--line:#e4ecf1}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--brand-d)}
.wrap{max-width:860px;margin:0 auto;padding:0 24px}
.navL{background:var(--nuit)}
.navL .in{max-width:1160px;margin:0 auto;padding:0 24px;height:70px;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:0;font-weight:800;font-size:21px;color:#fff}
.brand .lg{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;color:#fff;margin-right:10px}
.brand b{color:var(--brand2)}
.navL a.back{margin-left:auto;color:#cfe0ea;font-weight:600;font-size:15px}
.navL a.back:hover{color:#fff}
.lhero{background:linear-gradient(160deg,#0a1e37,#0e5049);color:#fff;padding:64px 0 42px}
.lhero .bc{font-size:13px;color:#a9c2d3;margin-bottom:10px}.lhero .bc a{color:#a9c2d3}
.lhero .eb{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand2);font-weight:800}
.lhero h1{font-size:clamp(30px,5vw,42px);font-weight:800;margin-top:8px;letter-spacing:-.02em}
main{padding:46px 0 40px}
.callout{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;padding:18px 22px;margin:0 0 32px}
.callout h4{color:var(--nuit);font-size:15px;margin-bottom:6px}
.callout p{color:var(--muted);font-size:14.5px}
main h2{font-size:20px;color:var(--nuit);margin:32px 0 10px;letter-spacing:-.01em}
main h3{font-size:16px;color:var(--nuit);margin:20px 0 6px}
main p,main li{color:#3a4a5c;font-size:15.5px;margin-bottom:10px}
main ul{padding-left:22px;margin-bottom:12px}
main strong{color:var(--ink)}
.seealso{text-align:center;color:var(--muted);font-size:14px;padding:26px 0 0}
.seealso a{font-weight:600}
footer{background:#07131f;color:#8ba3b6;padding:40px 0 30px;font-size:13.5px;text-align:center;margin-top:26px}
footer .brand{justify-content:center;margin-bottom:10px}
footer a{color:#8ba3b6}footer a:hover{color:var(--brand2)}
footer .fb{display:flex;gap:8px 14px;justify-content:center;flex-wrap:wrap;margin-top:6px}
footer .cp{color:#5f7488;margin-top:10px;font-size:12.5px}