:root{--ink:#0B0B0F;--ink-2:#3F3F46;--ink-3:#5B5B66;--line:#E4E4E7;--bg-soft:#FAFAFB;--brand:#6D28D9;--brand-soft:#EDE9FE}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--ink);background:#fff;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--brand);font-weight:600}
:focus-visible{outline:3px solid #7C3AED;outline-offset:3px;border-radius:6px}
.wrap{max-width:780px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:10}
header .wrap{max-width:1160px;height:72px;display:flex;align-items:center;justify-content:space-between}
.logo{font-family:Manrope,Inter,sans-serif;font-weight:800;font-size:25px;letter-spacing:-.03em;color:var(--ink);text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.logo span{color:var(--brand)}
.back{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:12px;background:#0B0B0F;color:#fff;text-decoration:none;font-size:15px}
main{padding:64px 0 80px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
h1{font-family:Manrope,Inter,sans-serif;font-size:clamp(34px,5vw,48px);font-weight:800;letter-spacing:-.025em;line-height:1.1;margin:12px 0 12px}
.updated{color:var(--ink-3);font-size:15px;margin-bottom:28px}
.summary{background:var(--bg-soft);border:1px solid var(--line);border-radius:18px;padding:22px 24px;margin-bottom:40px}
.summary h2{margin:0 0 8px;font-size:18px}
.summary ul{margin:0}
h2{font-family:Manrope,Inter,sans-serif;font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1.25;margin:44px 0 12px;scroll-margin-top:90px}
h3{font-size:18px;font-weight:700;margin:24px 0 8px}
p,ul,ol{color:var(--ink-2);margin-bottom:14px}
ul,ol{padding-left:22px}
li{margin-bottom:6px}
strong{color:var(--ink)}
table{width:100%;border-collapse:collapse;margin:8px 0 18px;font-size:15.5px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
th{color:var(--ink);font-weight:700;background:var(--bg-soft)}
.toc{columns:2;gap:24px;font-size:15.5px;margin-bottom:8px;line-height:1.4}
.toc a{font-weight:500;color:var(--ink-2);text-decoration:none;display:inline-block;padding:7px 0}
.toc a:hover{color:var(--brand)}
footer{border-top:1px solid var(--line);padding:32px 0 44px}
footer .wrap{max-width:1160px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center}
footer nav{display:flex;flex-wrap:wrap;gap:4px 8px}
footer nav a{color:var(--ink-2);font-weight:500;font-size:15px;padding:10px 8px;text-decoration:none}
footer nav a[aria-current]{color:var(--brand)}
footer .meta{color:var(--ink-3);font-size:15px}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  main{padding:40px 0 56px}
  .toc{columns:1}
  table{font-size:14.5px}
  th,td{padding:8px}
  .back{padding:0 12px}
}