:root{color-scheme:dark;--bg:#111c2e;--panel:#19263b;--text:#f4f6fa;--muted:#b4bfd0;--accent:#f56835}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}header,footer{max-width:1000px;margin:auto;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}header{border-bottom:1px solid #304058}.brand{color:var(--text);font-size:23px;font-weight:750;letter-spacing:-.7px}.brand span{display:block;font-size:10px;letter-spacing:3px;color:var(--accent)}main{max-width:900px;margin:auto;padding:54px 32px}.eyebrow{color:var(--accent);font-size:12px;font-weight:750;letter-spacing:2px}h1{font-size:clamp(42px,7vw,72px);line-height:1.08;letter-spacing:-2px;margin:20px 0}h2{font-size:25px;line-height:1.3;margin:0 0 18px}h3{font-size:18px;margin:0 0 8px}p{color:var(--muted);margin:12px 0}.lead{font-size:19px;max-width:610px}.intro{margin-bottom:40px}.card{background:var(--panel);border:1px solid #304058;border-radius:16px;padding:28px;margin:28px 0}.guide,.help{padding:24px 0}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#0d1625;border:1px solid #304058;padding:18px;border-radius:9px;font-size:14px;line-height:1.7}code{font-family:ui-monospace,Consolas,monospace;overflow-wrap:anywhere;color:#e2e8f2}.note{font-size:14px}ol{padding-left:25px}li{padding-left:10px;margin:26px 0}li::marker{color:var(--accent);font-weight:800}dl{margin:16px 0}dt{color:var(--muted);font-size:13px;margin-top:12px}dd{margin:2px 0;font-size:14px}footer{border-top:1px solid #304058;color:var(--muted);font-size:14px}nav{display:flex;gap:22px}@media(max-width:540px){header,footer{padding:22px 20px}main{padding:36px 20px}.card{padding:20px}footer{align-items:flex-start;flex-direction:column}header>a:last-child{font-size:14px}}