:root{--ink:#0f1c2e;--muted:#475569;--dim:#64748b;--line:#e3e8ef;--soft:#f6f8fb;--blue:#0b2545;--blue2:#0e6e8c;--teal:#0e6e8c;--green:#1f7a4d;--navy:#0b2545}
*{margin:0;padding:0;box-sizing:border-box}
body{background:#fff;color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--blue2);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink)}.logo:hover{text-decoration:none}
.navlinks{display:flex;gap:24px}.navlinks a{color:var(--muted);font-size:14px;font-weight:500}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:9px;font-weight:600;font-size:15px;background:var(--blue);color:#fff;white-space:nowrap}
.btn:hover{background:#13315c;text-decoration:none}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn-ghost:hover{background:#fff;border-color:#94a3b8}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal)}
/* article */
.article{max-width:760px;margin:0 auto;padding:56px 20px 40px}
.crumb{font-size:13px;color:var(--dim);margin-bottom:18px}
.article h1{font-size:40px;line-height:1.15;letter-spacing:-.02em;font-weight:800;margin:10px 0 14px}
.article .dek{font-size:19px;color:var(--muted)}
.meta{font-size:13px;color:var(--dim);margin:18px 0 32px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.article h2{font-size:25px;line-height:1.25;font-weight:800;margin:40px 0 12px;letter-spacing:-.01em}
.article h3{font-size:18px;font-weight:700;margin:26px 0 8px}
.article p{margin:0 0 16px;font-size:16.5px;color:#1e293b}
.article ul,.article ol{margin:0 0 18px 22px;font-size:16.5px;color:#1e293b}.article li{margin:6px 0}
code{font:14px "SF Mono",Menlo,Consolas,monospace;background:#f1f5f9;padding:1px 6px;border-radius:5px}
pre{background:#0a1628;color:#e2e8f0;border-radius:12px;padding:18px 20px;overflow-x:auto;margin:0 0 20px;font:13.5px/1.65 "SF Mono",Menlo,Consolas,monospace}
pre code{background:none;padding:0;color:inherit;font:inherit}
.callout{border-left:4px solid var(--teal);background:#eef6f8;padding:14px 18px;border-radius:0 10px 10px 0;margin:0 0 20px;font-size:15.5px}
.callout.warn{border-color:#f59e0b;background:#fffbeb}
.callout.ok{border-color:var(--green);background:#f0fdf4}
table.t{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:14.5px}
.t th,.t td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
.t th{background:var(--soft);color:var(--muted);font-size:13px}
.cta{margin:44px 0 0;background:linear-gradient(135deg,#0b2545,#13315c);color:#fff;border-radius:16px;padding:30px;text-align:center}
.cta h3{color:#fff;font-size:22px;margin:0 0 8px}.cta p{color:#c3d1e3;margin:0 0 18px}
.cta .btn{background:#fff;color:var(--blue)}
.related{margin-top:40px;border-top:1px solid var(--line);padding-top:22px}
.related h4{font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--dim);margin-bottom:10px}
.related a{display:block;margin:6px 0;font-weight:600}
/* hub */
.hub-hero{padding:64px 0 28px;text-align:center}
.hub-hero h1{font-size:44px;line-height:1.1;font-weight:800;letter-spacing:-.02em;margin:12px 0}
.hub-hero p{font-size:18px;color:var(--muted);max-width:640px;margin:0 auto}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;padding:24px 0 72px}
.card{border:1px solid var(--line);border-radius:14px;padding:26px;display:block;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
.card:hover{text-decoration:none;border-color:#9fb3cc;box-shadow:0 10px 30px rgba(11,37,69,.08)}
.card .k{font-size:12px;font-weight:700;color:var(--teal);text-transform:uppercase;letter-spacing:.06em}
.card h2{font-size:20px;line-height:1.3;margin:8px 0}.card p{color:var(--muted);font-size:15px}
footer{padding:36px 0;border-top:1px solid var(--line);font-size:13px;color:var(--dim)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}footer a{color:var(--dim)}
@media (max-width:860px){.navlinks{display:none}.cards{grid-template-columns:1fr}.article h1{font-size:31px}.hub-hero h1{font-size:33px}.article p,.article li{font-size:16px}}