:root{--ink:#111827;--muted:#5f6b7a;--line:#e5e7eb;--paper:#fff;--soft:#f6f8fb;--accent:#2563eb;--accent2:#0f172a;--warn:#fff7ed}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.68}
a{color:var(--accent)}.wrap{max-width:1180px;margin:auto;padding:0 22px}.top{background:#0b1220;color:#fff;font-size:.92rem}.top .wrap{display:flex;justify-content:space-between;gap:16px;align-items:center;padding-top:9px;padding-bottom:9px}.top a{color:#fff}
header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.nav{display:flex;align-items:center;gap:22px;min-height:72px}.brand{font-weight:900;font-size:1.22rem;text-decoration:none;color:var(--ink);letter-spacing:-.03em}.navlinks{display:flex;gap:18px;align-items:center;margin-left:auto}.navlinks a{text-decoration:none;color:#334155;font-weight:650;font-size:.94rem}.btn{display:inline-block;background:var(--accent);color:white!important;text-decoration:none;padding:11px 16px;border-radius:10px;font-weight:800}.hero{padding:64px 0 38px;background:linear-gradient(180deg,#f8fbff,#fff)}.hero h1{font-size:clamp(2.25rem,5vw,4.5rem);line-height:1.02;letter-spacing:-.055em;max-width:850px;margin:.2em 0}.hero p{font-size:1.18rem;color:var(--muted);max-width:760px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding-top:42px;padding-bottom:72px}.article{max-width:760px}.article h1{font-size:clamp(2rem,4vw,3.35rem);line-height:1.08;letter-spacing:-.04em;margin:.15em 0}.article h2{font-size:1.65rem;line-height:1.2;margin-top:2.2em}.article h3{margin-top:1.8em}.dek{font-size:1.18rem;color:var(--muted)}.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:22px}.crumbs a{color:var(--muted)}.callout{border:1px solid #bfdbfe;background:#eff6ff;border-radius:14px;padding:20px;margin:28px 0}.risk{border-left:4px solid #f59e0b;background:var(--warn);padding:16px 18px;margin:26px 0}.sidebar{position:relative}.sidebox{position:sticky;top:98px;border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff;box-shadow:0 8px 28px rgba(15,23,42,.06)}.sidebox h3{margin-top:0}.sidebox .btn{width:100%;text-align:center}.small{font-size:.86rem;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:14px;padding:20px;text-decoration:none;color:var(--ink);background:#fff}.card:hover{box-shadow:0 8px 24px rgba(15,23,42,.08)}.card span{display:block;color:var(--muted);font-size:.9rem;margin-top:6px}.related{border-top:1px solid var(--line);margin-top:42px;padding-top:24px}.related ul{padding-left:20px}footer{background:#0b1220;color:#cbd5e1;padding:42px 0}.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.foot a{color:#e2e8f0}.badge{display:inline-block;font-size:.8rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#1d4ed8;background:#dbeafe;padding:5px 9px;border-radius:999px}
@media(max-width:900px){.navlinks a:not(.btn){display:none}.layout{grid-template-columns:1fr}.sidebar{order:-1}.sidebox{position:static}.grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid{grid-template-columns:1fr}.top .wrap{display:block}.nav{min-height:64px}.btn{padding:10px 12px}.hero{padding-top:42px}}