:root{--bg:#0D0F10;--surface:#15181A;--raised:#1B1F22;--border:rgba(255,255,255,.09);--text:#F4F5F2;--muted:#A7ADB0;--faint:#6E7579;--accent:#D4FF3D;--accent-fg:#0A0B05}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 "Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
header{position:sticky;top:0;z-index:5;background:rgba(13,15,16,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.bar{max-width:880px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;letter-spacing:.2px}
.brand:hover{text-decoration:none}
.mark{width:28px;height:28px;border-radius:8px;background:var(--accent);color:var(--accent-fg);display:grid;place-items:center;font-size:13px;font-weight:800}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{color:var(--muted);padding:6px 10px;border-radius:999px;font-size:14px;font-weight:600}
nav a:hover,nav a.on{color:var(--text);background:rgba(255,255,255,.06);text-decoration:none}
main{max-width:880px;margin:0 auto;padding:44px 20px 64px}
h1{font-size:clamp(30px,5vw,44px);line-height:1.1;letter-spacing:-.8px;margin:0 0 8px}
.updated{color:var(--faint);font-size:14px;margin:0 0 30px}
h2{font-size:20px;margin:34px 0 8px;letter-spacing:-.2px}
h3{font-size:16px;margin:20px 0 6px;color:var(--text)}
p,li{color:var(--muted)}
ul{padding-left:20px}
li{margin:4px 0}
strong{color:var(--text)}
.lead{font-size:18px;color:var(--muted);max-width:680px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px 22px;margin:14px 0}
.note{border-left:3px solid var(--accent);background:rgba(212,255,61,.06);border-radius:12px;padding:12px 16px;color:var(--text);margin:14px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin:14px 0}
.grid .card{margin:0}
.grid .card h3{margin-top:0}
.grid .card p{margin:4px 0 0;font-size:15px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-fg);font-weight:700;padding:12px 20px;border-radius:14px;margin:6px 0}
.btn:hover{text-decoration:none;filter:brightness(1.05)}
details{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px 18px;margin:10px 0}
summary{cursor:pointer;color:var(--text);font-weight:600}
details p{margin:10px 0 0}
ol{padding-left:22px}
footer{border-top:1px solid var(--border);color:var(--faint);font-size:14px}
footer .bar{justify-content:space-between}
footer nav a{font-size:13px}
@media (max-width:560px){.bar{flex-direction:column;align-items:flex-start}main{padding-top:30px}}