:root{--ink:#152238;--muted:#5e6b7a;--bg:#f6f8fb;--card:#fff;--line:#dce3ec;--brand:#2449d8;--brand2:#6b4eff;--accent:#0c8f72;--warn:#fff6dc;--shadow:0 12px 32px rgba(21,34,56,.08);--radius:18px}
*{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;color:var(--ink);background:var(--bg);line-height:1.68}a{color:var(--brand);text-underline-offset:3px}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:50}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.header-inner{max-width:1180px;margin:auto;padding:12px 20px;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);text-decoration:none;white-space:nowrap}.brand-mark{width:32px;height:32px}nav{display:flex;gap:14px;align-items:center;flex:1;justify-content:center}nav a{font-size:.9rem;color:#334155;text-decoration:none;font-weight:650}.header-cta{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff!important;padding:10px 14px;border-radius:999px;text-decoration:none;font-weight:800}.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px}
.hero{background:radial-gradient(circle at 85% 10%,rgba(107,78,255,.15),transparent 28%),linear-gradient(180deg,#fff,#f6f8fb);border-bottom:1px solid var(--line)}.hero-inner{max-width:1180px;margin:auto;padding:54px 20px 42px}.eyebrow{font-size:.8rem;text-transform:uppercase;letter-spacing:.11em;font-weight:800;color:var(--brand)}h1{font-size:clamp(2.05rem,5vw,3.8rem);line-height:1.08;max-width:900px;margin:.25em 0 .28em}h2{font-size:clamp(1.4rem,3vw,2rem);line-height:1.2;margin-top:2em}h3{font-size:1.15rem;margin-top:1.5em}.lede{font-size:1.13rem;max-width:820px;color:#425166}.meta{font-size:.88rem;color:var(--muted)}
.layout{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:34px;padding:34px 20px 70px}.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,5vw,48px);box-shadow:var(--shadow)}.article li{margin:.45em 0}.article table{width:100%;border-collapse:collapse;margin:24px 0}.article th,.article td{padding:12px;border:1px solid var(--line);vertical-align:top}.article th{background:#f2f5fb;text-align:left}
.sidebar{position:sticky;top:86px;height:max-content;display:grid;gap:18px}.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}.side-card h2{font-size:1.05rem;margin:0 0 10px}.side-card ul{padding-left:18px}.side-card .btn{display:block;text-align:center}.btn{display:inline-block;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff!important;text-decoration:none;font-weight:800;padding:12px 18px;border-radius:12px}.cta-box{border:1px solid #cdd7ff;background:linear-gradient(135deg,#f6f8ff,#fff);padding:24px;border-radius:18px;margin:30px 0}.cta-box h2{margin-top:0}.notice{background:var(--warn);border:1px solid #f1d889;border-radius:14px;padding:16px 18px;margin:20px 0}.disclosure{font-size:.92rem;color:#4b5563;background:#f8fafc;border-left:4px solid var(--brand);padding:12px 14px}.breadcrumbs{font-size:.9rem;margin-bottom:18px;color:var(--muted)}.breadcrumbs a{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0}.card{border:1px solid var(--line);border-radius:16px;padding:20px;background:#fff}.card h3{margin-top:0}.pill{display:inline-block;font-size:.78rem;font-weight:800;padding:5px 9px;border-radius:999px;background:#eef2ff;color:#3b4cca}.related{border-top:1px solid var(--line);margin-top:34px;padding-top:24px}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.related a{display:block;border:1px solid var(--line);border-radius:12px;padding:12px;text-decoration:none;background:#fbfcfe}
footer{background:#101827;color:#cbd5e1}.footer-inner{max-width:1180px;margin:auto;padding:40px 20px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}footer a{color:#dbe5ff}.mobile-cta{display:none}
@media(max-width:980px){nav{display:none;position:absolute;left:0;right:0;top:60px;background:#fff;border-bottom:1px solid var(--line);padding:16px;flex-direction:column;align-items:flex-start}nav.open{display:flex}.menu-btn{display:block;margin-left:auto}.header-cta{display:none}.layout{grid-template-columns:1fr}.sidebar{position:static}.sidebar .side-card:first-child{display:none}.mobile-cta{display:block;position:fixed;bottom:12px;left:12px;right:12px;z-index:25;text-align:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff!important;padding:13px 16px;border-radius:14px;text-decoration:none;font-weight:850;box-shadow:0 10px 30px rgba(36,73,216,.35)}body{padding-bottom:68px}}
@media(max-width:640px){.cards,.related-grid,.footer-inner{grid-template-columns:1fr}.article{border-radius:0;border-left:0;border-right:0}.layout{padding-left:0;padding-right:0}.sidebar{padding:0 16px}}