:root{
  --bg:#f6f7fb;--surface:#fff;--ink:#17213b;--muted:#616b80;--line:#e4e7ef;
  --primary:#5b3df5;--primary-dark:#4024d6;--accent:#ece8ff;--soft:#f0f2f7;
  --warn:#fff7e8;--warnline:#edd49a;--max:1180px;--radius:18px;
  --shadow:0 14px 40px rgba(20,33,61,.075)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.68}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:var(--max);margin:auto;padding:0 22px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{min-height:74px;display:flex;align-items:center;gap:24px}
.brand{font-weight:850;color:var(--ink);font-size:1.18rem;letter-spacing:-.025em;white-space:nowrap}
.brand span{color:var(--primary)}
.navlinks{display:flex;align-items:center;gap:18px;margin-left:auto;font-size:.93rem}
.navlinks a{color:var(--ink)}
.header-cta{margin-left:6px;background:var(--primary);color:white!important;padding:10px 14px;border-radius:11px;font-weight:800}
.header-cta:hover{background:var(--primary-dark);text-decoration:none}
.hero{padding:68px 0 42px}
.hero.compact{padding-bottom:22px}
.eyebrow,.kicker{display:inline-block;font-size:.8rem;font-weight:850;text-transform:uppercase;letter-spacing:.08em;color:var(--primary-dark)}
.eyebrow{background:var(--accent);padding:6px 10px;border-radius:999px;text-transform:none;letter-spacing:0}
h1,h2,h3{line-height:1.14;letter-spacing:-.025em}
h1{font-size:clamp(2.35rem,5vw,4.45rem);max-width:930px;margin:.34em 0 .28em}
h2{font-size:clamp(1.65rem,3vw,2.35rem);margin:1.7em 0 .55em}
h3{font-size:1.22rem;margin:1.45em 0 .45em}
.lead{font-size:1.18rem;color:var(--muted);max-width:810px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-block;background:var(--primary);color:#fff;padding:13px 18px;border-radius:12px;font-weight:820}
.btn:hover{background:var(--primary-dark);text-decoration:none}
.btn.secondary{background:white;color:var(--ink);border:1px solid var(--line)}
.section{padding:16px 0 54px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:var(--shadow)}
.card h3{margin-top:0}.card p{color:var(--muted)}
.article-shell{display:grid;grid-template-columns:minmax(0,820px) 300px;gap:34px;align-items:start}
.prose{max-width:820px}
.prose p,.prose li{color:#2d3954}
.prose ul,.prose ol{padding-left:1.25rem}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;background:#fff;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:12px 13px;text-align:left;vertical-align:top;min-width:150px}
.prose th{background:#eff1f6}
.sidebar{position:sticky;top:100px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:20px;box-shadow:var(--shadow);margin-bottom:16px}
.side-card h3{margin:0 0 8px}.side-card p{font-size:.92rem;color:var(--muted)}
.side-card .btn{width:100%;text-align:center}
.notice{background:var(--warn);border:1px solid var(--warnline);padding:15px 17px;border-radius:14px;margin:22px 0;color:#64501c}
.aff-box{background:linear-gradient(135deg,#efecff,#fff);border:1px solid #d8d0ff;border-radius:18px;padding:23px;margin:30px 0}
.aff-box strong{display:block;font-size:1.12rem;margin-bottom:4px}
.breadcrumbs{font-size:.88rem;color:var(--muted);padding-top:22px}.breadcrumbs a{color:var(--muted)}
.pill{display:inline-block;padding:5px 9px;background:var(--soft);border-radius:999px;font-size:.78rem;color:#46506a;margin:0 6px 6px 0}
.source-note{font-size:.84rem;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:34px}
.related{margin-top:38px}.related .grid{grid-template-columns:repeat(2,1fr)}
.footer{border-top:1px solid var(--line);background:#fff;margin-top:64px;padding:38px 0;color:var(--muted);font-size:.92rem}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:26px}
.footer strong{color:var(--ink)}
@media(max-width:950px){
 .article-shell{grid-template-columns:1fr}.sidebar{position:static}.side-card{max-width:700px}
 .navlinks{display:none}.header-cta{margin-left:auto}
}
@media(max-width:760px){
 .grid,.related .grid,.footer .cols{grid-template-columns:1fr}
 .hero{padding-top:48px}h1{font-size:2.55rem}.wrap{padding:0 18px}
 .header-cta{font-size:.86rem;padding:9px 11px}
}