*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#08070C;--bg-2:#0C0A14;--ink:#F4F2FA;--muted:#9C97AE;--faint:#8F89A4;--line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.15);--violet:#7C5CFC;--violet-lite:#A08CFF;--mono:'IBM Plex Mono',ui-monospace,monospace;--sans:'Space Grotesk',system-ui,sans-serif;--pad:clamp(20px,5vw,88px)}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--violet-lite);text-decoration:none}
a:hover{color:var(--ink)}
img{display:block;max-width:100%}
.wrap{max-width:860px;margin:0 auto;padding-inline:var(--pad)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--faint)}
nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px);background:rgba(8,7,12,.82);border-bottom:1px solid var(--line)}
nav .wrap{max-width:1360px;display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
nav img{height:24px}
.back{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
header{padding:clamp(52px,9vw,96px) 0 clamp(30px,4vw,44px);border-bottom:1px solid var(--line)}
h1{font-size:clamp(32px,5vw,52px);line-height:1.05;letter-spacing:-.03em;font-weight:600;margin-top:14px}
.updated{margin-top:20px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--faint)}
.intro{margin-top:22px;color:var(--muted);font-size:17px;max-width:62ch;text-wrap:pretty}
main{padding:clamp(44px,6vw,72px) 0 clamp(70px,10vw,120px)}
section{margin-bottom:46px;scroll-margin-top:84px}
h2{font-size:clamp(21px,2.3vw,27px);font-weight:600;letter-spacing:-.02em;line-height:1.2;margin-bottom:16px}
h3{font-size:17px;font-weight:600;letter-spacing:-.01em;margin:26px 0 10px;color:var(--ink)}
p{color:var(--muted);margin-bottom:14px;text-wrap:pretty}
ul{margin:0 0 16px 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
li{color:var(--muted);padding-left:22px;position:relative;text-wrap:pretty}
li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border:1px solid var(--violet);border-radius:2px}
b,strong{color:var(--ink);font-weight:600}
.key{border:1px solid rgba(124,92,252,.42);background:linear-gradient(140deg,rgba(124,92,252,.13),rgba(124,92,252,.03));border-radius:16px;padding:22px 24px;margin:8px 0 22px}
.key .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--violet-lite);margin-bottom:10px}
.key p:last-child{margin-bottom:0}
.note{border:1px solid var(--line-2);border-radius:14px;padding:18px 20px;margin:8px 0 22px;background:var(--bg-2)}
.note p:last-child{margin-bottom:0}
.toc{border:1px solid var(--line);border-radius:16px;padding:22px 24px;margin-bottom:52px;background:var(--bg-2)}
.toc ol{margin:12px 0 0;padding-left:20px;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 26px}
.toc li{padding-left:0;color:var(--muted);font-size:14.5px}
.toc li::before{display:none}
@media(max-width:620px){.toc ol{grid-template-columns:1fr}}
footer{border-top:1px solid var(--line);padding:38px 0}
footer .wrap{max-width:1360px;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--faint)}
footer .lks{display:flex;gap:22px;flex-wrap:wrap}