:root{--bg:#05060A;--ink:#F2F4F7;--muted:#98A3B3;--dim:#55606D;--accent:#35E6D0;--line:rgba(255,255,255,.08)}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 Geist,"Segoe UI",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
.wrap{max-width:840px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;backdrop-filter:blur(14px);background:rgba(5,6,10,.7);border-bottom:1px solid var(--line);z-index:5}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.04em;text-decoration:none;color:var(--ink)}
.mark{width:16px;height:16px;border-radius:4px;background:var(--accent);box-shadow:0 0 24px rgba(53,230,208,.45)}
.brand span{color:var(--accent)}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:13px}
nav a:hover{color:var(--ink)}
main{padding:56px 0 72px}
h1{font:600 clamp(30px,4vw,44px)/1.1 "Space Grotesk",Geist,system-ui,sans-serif;letter-spacing:-.02em;margin:0 0 20px}
h2{font:600 22px/1.25 "Space Grotesk",Geist,system-ui,sans-serif;margin:36px 0 10px;letter-spacing:-.01em}
h3{font-size:16px;margin:22px 0 6px}
p,li{color:var(--ink)}
p{margin:0 0 12px}
ul,ol{padding-left:22px;margin:0 0 12px}
li{margin:4px 0}
table{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:14px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:500}
.note{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:rgba(255,255,255,.03)}
footer{padding:28px 0;color:var(--dim);font-size:13px;border-top:1px solid var(--line)}
footer a{color:var(--muted);text-decoration:none;margin-right:18px}
@media (max-width:640px){nav a{margin-left:12px}}