:root{--bg:#0b0d10;--panel:#14171d;--panel-2:#1a1d24;--border:#262a32;--text:#f5f5f7;--muted:#aeb4be;--accent:#e8663a}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}a{color:inherit}.wrap{max-width:1100px;margin:0 auto;padding:0 24px}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:rgba(11,13,16,.85);-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}.site-header .bar{justify-content:space-between;height:60px}.brand,.site-header .bar{display:flex;align-items:center}.brand{gap:10px;font-weight:700;letter-spacing:-.2px}.brand .dot{width:10px;height:10px;border-radius:3px;background:var(--accent)}.brand small{color:var(--muted);font-weight:500}.hero{padding:56px 0 24px}.hero h1{font-size:34px;letter-spacing:-.5px}.hero p{color:var(--muted);margin-top:8px;max-width:640px}.toc{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 8px}.toc a{font-size:13px;color:var(--muted);text-decoration:none;border:1px solid var(--border);border-radius:999px;padding:6px 12px;transition:all .15s ease}.toc a:hover{color:var(--text);border-color:#3a3f49;background:var(--panel)}.section{padding:30px 0 6px;scroll-margin-top:80px}.section h2{font-size:13px;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);margin-bottom:16px}.grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:22px;gap:22px}@media (max-width:760px){.grid{grid-template-columns:1fr}}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}.videowrap{position:relative;border-bottom:1px solid var(--border)}.card video{width:100%;display:block;background:#000;aspect-ratio:1512/784}.fsbtn{position:absolute;top:10px;right:10px;display:inline-flex;align-items:center;gap:6px;background:rgba(11,13,16,.72);color:#fff;border:1px solid hsla(0,0%,100%,.18);border-radius:8px;padding:6px 10px;font-size:12px;font-weight:600;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);opacity:0;transition:opacity .15s ease,background .15s ease}.fsbtn:focus-visible,.videowrap:hover .fsbtn{opacity:1}.fsbtn:hover{background:var(--accent);border-color:var(--accent);color:#111}.fsbtn svg{display:block}@media (hover:none){.fsbtn{opacity:1}}.card .body{padding:14px 16px 18px}.card .body h3{font-size:16px;letter-spacing:-.2px}.card .body p{color:var(--muted);font-size:14px;margin-top:5px}.card .step{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.4px;color:var(--accent);text-transform:uppercase;margin-bottom:6px}footer{color:var(--muted);font-size:13px;padding:40px 0;border-top:1px solid var(--border);margin-top:40px}.center{min-height:100vh;display:grid;place-items:center;padding:24px}.gatecard{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:32px;max-width:440px;width:100%;text-align:center}.gatecard h1{font-size:22px;margin-bottom:6px}.gatecard p{color:var(--muted);font-size:14px}.gatecard .brand{justify-content:center;margin-bottom:18px}