:root{--ink:#0c1324;--muted:#5c6678;--paper:#f6f8fc;--card:#fff;--accent:#6246ea;--accent2:#13a89e;--line:#e3e8f1;--dark:#090f1e;--soft:#eeebff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.68 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:#4d36c8;text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(12px)}
.nav{min-height:72px;display:flex;align-items:center;gap:26px}.brand{font-size:1.28rem;font-weight:900;color:var(--dark);white-space:nowrap}.brand span{color:var(--accent)}
nav{display:flex;align-items:center;gap:18px;flex:1}nav a{color:#30394a;font-size:.91rem;font-weight:700}.nav-cta{margin-left:auto!important;background:var(--accent);color:white!important;padding:10px 14px;border-radius:9px;text-decoration:none!important}
.hero{padding:86px 0 66px;background:radial-gradient(circle at 82% 12%,#ddd7ff 0,transparent 31%),linear-gradient(#fff,var(--paper))}
.hero-grid{display:grid;grid-template-columns:1.4fr .75fr;gap:46px;align-items:center}.kicker{text-transform:uppercase;letter-spacing:.13em;font-weight:850;color:var(--accent);font-size:.76rem}
h1{font-size:clamp(2.4rem,5vw,4.7rem);line-height:1.02;letter-spacing:-.05em;margin:.18em 0}.hero p{font-size:1.2rem;color:var(--muted);max-width:760px}
.btn{display:inline-block;padding:12px 17px;border-radius:10px;background:var(--accent);color:#fff!important;font-weight:800;text-decoration:none!important;margin:7px 8px 7px 0}.btn.dark{background:var(--dark)}
.hero-card,.card,.sidebar-box{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 30px rgba(17,26,50,.05)}
.hero-card{padding:24px}.hero-card ul{padding-left:20px}.section{padding:54px 0}.section h2{font-size:2rem;letter-spacing:-.035em}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:23px}.card h3{margin-top:0;line-height:1.2}
.layout{display:grid;grid-template-columns:minmax(0,790px) 280px;gap:42px;align-items:start;padding:54px 0}.article h1{font-size:clamp(2.3rem,5vw,3.8rem)}.lede{font-size:1.19rem;color:var(--muted)}
.article h2{font-size:1.75rem;margin-top:2em;line-height:1.2}.article h3{margin-top:1.6em}.article p,.article li{font-size:1.035rem}
.breadcrumb{font-size:.86rem;color:var(--muted);margin-bottom:24px}.breadcrumb a{color:var(--muted)}
.sidebar{position:sticky;top:94px}.sidebar-box{padding:20px;margin-bottom:16px}.sidebar-box h3{margin:0 0 9px}.sidebar-box p{font-size:.92rem;color:var(--muted)}
.cta{background:linear-gradient(135deg,#0a1122,#171f37);color:#fff;padding:27px;border-radius:18px;margin:34px 0}.cta p{color:#c8d1e2}.cta small{color:#99a6bc}.cta .btn{background:#765cff}
.note,.disclosure{padding:15px 17px;border-radius:10px;margin:22px 0}.note{background:#eafaf7;border-left:4px solid var(--accent2)}.disclosure{background:#fff7ed;border:1px solid #fed7aa;font-size:.91rem;color:#6a4a25}
.toc{background:#fff;border:1px solid var(--line);padding:18px;border-radius:12px}.toc strong{display:block;margin-bottom:6px}
table{width:100%;border-collapse:collapse;background:#fff;margin:22px 0}th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{background:#f0f3f8}
footer{background:var(--dark);color:#aab4c7;margin-top:58px;padding:38px 0}.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.foot a{color:#dae0ff}
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0}.related a{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;font-weight:700}
.mobile-menu{display:none}
@media(max-width:900px){nav>a:not(.nav-cta){display:none}.hero-grid,.layout{grid-template-columns:1fr}.sidebar{position:static}.grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.wrap{width:min(100% - 28px,1180px)}.grid,.related{grid-template-columns:1fr}.hero{padding:58px 0}.nav{gap:12px}.nav-cta{font-size:.82rem;padding:9px 10px}.brand{font-size:1.13rem}}