:root{--ink:#111;--muted:#5E6470;--faint:#9AA3AD;--acc:#0A7CFF;--acc2:#2F95FF;--deep:#0656D6;--soft:#F7F9FB;--s1:#EDF1F6;--s2:#E3E8EE;--tint:#E7F2FF;--sky1:#F5FAFE;--sky3:#CFE2F6;--line:rgba(17,17,17,.08);--font:"Instrument Sans",ui-sans-serif,system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;--serif:"Source Serif 4",Georgia,serif;--mono:"DM Mono",ui-monospace,Menlo,monospace;color-scheme:light}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--ink);font:17px/1.7 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--acc)}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:10px 14px;border-radius:10px;z-index:100}.skip:focus{left:8px}
.wrap,.wrap-narrow{margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.wrap{max-width:1180px}.wrap-narrow{max-width:760px}
.nav{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:600 22px/1 var(--font);letter-spacing:-.03em}
.logo svg{width:34px;height:34px}
.links{display:flex;gap:26px;font-size:15px}.links a{color:var(--muted);text-decoration:none}.links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;height:44px;padding:0 18px;border-radius:12px;background:linear-gradient(135deg,var(--acc2),var(--acc) 55%,var(--deep));color:#fff;text-decoration:none;font:600 15px/1 var(--font);white-space:nowrap;box-shadow:0 10px 24px -12px var(--acc)}
.btn:hover{filter:brightness(1.06)}
.btn.ghost{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1px var(--s2)}
@media (max-width:760px){.links{display:none}}
main{padding-block:64px 96px}
.doc h1{font-weight:500;font-size:clamp(34px,5vw,54px);line-height:1.05;letter-spacing:-.04em;margin:8px 0 12px;text-wrap:balance}
.doc h2{font-weight:600;font-size:26px;letter-spacing:-.025em;margin:44px 0 10px;line-height:1.2}
.doc h3{font-size:20px;letter-spacing:-.015em;margin:30px 0 8px}
.doc p,.doc li{color:#2b2f36}
.doc ul,.doc ol{padding-left:22px}
.doc code{font:14px var(--mono);background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.doc pre{background:#0B0E14;color:#EAF2FF;border-radius:12px;padding:16px 18px;overflow-x:auto}
.doc pre code{background:none;border:0;color:inherit;padding:0;font-size:13.5px;line-height:1.65}
.doc blockquote{margin:24px 0;padding:10px 16px;border-left:3px solid var(--acc);background:var(--tint);border-radius:0 12px 12px 0;color:#2b2f36}
.doc blockquote p{margin:0}
.doc table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15.5px}.doc th,.doc td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--s2)}.doc th{font:500 12.5px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.kicker{font:500 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--acc);margin:0}
.updated{font:13px/1.5 var(--mono);color:var(--faint);margin:0 0 28px}
.lede{font:300 20px/1.55 var(--serif);color:var(--muted);margin:0 0 28px}
.crumbs{font:13px/1 var(--mono);color:var(--faint);margin-bottom:22px}.crumbs a{color:var(--faint);text-decoration:none}
.cards{display:grid;gap:14px;margin-top:28px}
.card{display:block;background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:22px 24px;text-decoration:none;color:var(--ink);transition:border-color .2s,transform .2s,box-shadow .2s}
.card:hover{border-color:var(--acc);transform:translateY(-2px);box-shadow:0 20px 40px -26px rgba(10,124,255,.6)}
.card small{font:12.5px var(--mono);color:var(--faint)}.card h2{margin:8px 0 6px;font-size:22px}.card p{margin:0;color:var(--muted)}
.cta{margin:48px 0;background:linear-gradient(180deg,var(--sky1),var(--sky3));color:var(--ink);border-radius:20px;padding:26px}
.cta b{font-size:21px;letter-spacing:-.02em}.cta p{color:#3f4753;margin:6px 0 16px}
.related{margin-top:40px}.related h2{font-size:20px}
.rel{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.rel small{font:12.5px var(--mono);color:var(--faint);white-space:nowrap}
.pn{display:flex;justify-content:space-between;gap:16px;margin-top:32px;font-size:15px}.pn a{text-decoration:none}
.nf{text-align:center;padding-top:30px}.nf .btn{margin:6px}
.nfmark{width:110px;height:110px;margin:0 auto 18px;display:block;animation:hov 3.6s ease-in-out infinite}
@keyframes hov{50%{transform:translate(8px,-10px) rotate(-5deg)}}
.cover{width:100%;height:auto;border-radius:16px;border:1px solid var(--line);margin:0 0 32px;display:block}
footer{background:#0B0E14;color:#9AA5B5;padding-block:48px;--tri:#fff;--shard:#2F95FF}
footer .wrap{display:grid;grid-template-columns:1fr 1.4fr;gap:28px}
footer .logo{color:#fff;font-size:32px}
footer .logo svg{width:52px;height:52px}
.fnote{margin:10px 0 0;color:#7C8796}
.built{display:inline-flex;align-items:center;gap:12px;margin-top:18px;padding:10px 14px 10px 10px;border-radius:14px;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);text-decoration:none;color:#fff}
.built .av{width:36px;height:36px;border-radius:50%;background:linear-gradient(140deg,var(--acc2),var(--deep));display:grid;place-items:center;font-weight:700;font-size:14px}
.built small{display:block;font:500 10.5px var(--mono);color:#9AA5B5;letter-spacing:.06em;text-transform:uppercase;line-height:1.3}.built b{font-size:15px;line-height:1.3}
.flinks{display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:flex-end;font-size:14.5px;overflow-wrap:anywhere;align-content:flex-start}.flinks a{color:#9AA5B5;text-decoration:none}.flinks a:hover{color:#fff}
.fmeta{grid-column:1/-1;margin:0;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font:12.5px var(--mono);color:#6B7686}
.fmeta a{color:inherit;text-decoration:underline;text-underline-offset:3px}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr}.flinks{justify-content:flex-start}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}