:root{
  --bg:#08111f;--card:#121c2f;--soft:#17253c;--text:#f2f7ff;--muted:#9eb0cb;--line:#253654;
  --accent:#38bdf8;--accent2:#60a5fa;--accent3:#22c55e;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,#08111f 0%,#0c1628 100%);color:var(--text);line-height:1.76}
a{color:var(--accent2);text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.top{position:sticky;top:0;z-index:20;background:rgba(8,17,31,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.top-inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-weight:900;font-size:20px}.brand span{color:var(--accent)}
.hero{padding:46px 0 24px;border-bottom:1px solid var(--line);background:radial-gradient(circle at top right, rgba(56,189,248,.16), transparent 30%),radial-gradient(circle at top left, rgba(34,197,94,.10), transparent 25%)}
.eyebrow{display:inline-block;padding:6px 12px;border-radius:999px;border:1px solid rgba(56,189,248,.28);background:rgba(56,189,248,.08);color:var(--accent);font-size:11px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;margin-bottom:16px}
h1{font-size:clamp(30px,5vw,50px);line-height:1.08;letter-spacing:-1.6px;margin:0 0 14px;max-width:860px}
.sub{max-width:780px;color:var(--muted);font-size:17px;margin-bottom:18px}
.meta,.stats{display:flex;gap:10px;flex-wrap:wrap;color:#86a1c8;font-size:13px}.meta span,.stats span{border:1px solid var(--line);padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.02)}
.hero-img{margin-top:24px;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--card)}
.hero-img img{display:block;width:100%;height:auto}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;padding:30px 0 40px}
.article,.side-card,.card,.box{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 10px 40px rgba(0,0,0,.18)}
.article{padding:28px}.side{display:flex;flex-direction:column;gap:18px}.side-card,.box,.card{padding:20px}
.side-title,.eyebrow2{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:1.6px;color:var(--accent);margin-bottom:10px}
.quick-answer,.fact-box,.cta-box,.toc{border-radius:14px;padding:18px;margin:0 0 24px}
.quick-answer{background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.28);border-left:4px solid var(--accent)}
.quick-answer strong,.fact-box strong,.toc strong{display:block;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:8px}
.quick-answer strong{color:var(--accent)}
.fact-box{background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.22)}
.fact-box strong{color:#86efac}
.toc{background:var(--soft);border:1px solid var(--line)}
.toc a{display:block;padding:6px 0;color:#bdd0ef;border-bottom:1px solid rgba(255,255,255,.05)}
.toc a:last-child{border-bottom:none}
h2{font-size:25px;line-height:1.22;margin:34px 0 14px;letter-spacing:-.8px}
p{margin:0 0 16px;color:#dce7fb}
ul,ol{margin:0 0 18px 22px;color:#dce7fb}
li{margin-bottom:8px}
.cta-box{background:linear-gradient(135deg, rgba(56,189,248,.14), rgba(34,197,94,.10));border:1px solid rgba(56,189,248,.24)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:12px;background:var(--accent);color:#07101a;font-weight:800;text-decoration:none;box-shadow:0 10px 24px rgba(56,189,248,.22)}
.mini{margin-top:10px;font-size:13px;color:var(--muted)}
.faq details{border:1px solid var(--line);background:var(--soft);border-radius:12px;margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;padding:15px 16px;font-weight:700}
.faq .answer{padding:0 16px 16px}
.list{list-style:none;padding:0;margin:0}.list li{border-bottom:1px solid rgba(255,255,255,.06)}.list li:last-child{border-bottom:none}.list a{display:block;padding:12px 0;color:#dbe7fb}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;padding:36px 0 22px}
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.tag{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.24);margin:0 8px 8px 0;color:#d9eeff;font-size:12px}
footer{border-top:1px solid var(--line);padding:28px 0 46px;color:#7f93b8;font-size:13px}
@media (max-width: 900px){.layout,.two-col{grid-template-columns:1fr}}