:root{--bg:#f6f7f9;--card:#fff;--fg:#0d1117;--muted:#5b6472;--border:#e3e6ea;--btn:#0d1117;--btn-fg:#fff;--accent:#f53d00;--qr-fg:#0d1117;--qr-bg:#fff}@media (prefers-color-scheme:dark){:root{--bg:#0b0d10;--card:#14171c;--fg:#f2f4f7;--muted:#9aa4b2;--border:#262b33;--btn:#f2f4f7;--btn-fg:#0b0d10;--accent:#ff7a1a;--qr-fg:#0b0d10;--qr-bg:#f2f4f7}}*{box-sizing:border-box}html,body{height:100%}body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;justify-content:center;align-items:center;margin:0;padding:24px 16px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}.card{background:var(--card);border:1px solid var(--border);text-align:center;border-radius:20px;width:100%;max-width:420px;padding:32px 24px;box-shadow:0 1px 2px #0000000a,0 12px 32px #0000000f}.logo{width:216px;height:auto;margin:0 auto 22px;display:block}h1{letter-spacing:-.02em;margin:0 0 6px;font-size:22px;line-height:1.25}.tagline{color:var(--muted);margin:0 0 24px;font-size:15px;line-height:1.5}.buttons{gap:10px;display:grid}.btn{background:var(--btn);color:var(--btn-fg);border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:14px 18px;font-size:15px;font-weight:600;text-decoration:none;transition:transform .12s,opacity .12s;display:flex}.btn:hover{opacity:.88}.btn:active{transform:scale(.985)}.btn svg{flex:none}.qr{background:var(--qr-bg);border:1px solid var(--border);border-radius:12px;width:fit-content;margin:28px auto 0;padding:12px;line-height:0}.qr svg{width:132px;height:132px;display:block}.hint{color:var(--muted);margin:12px 0 0;font-size:13px}.foot{margin:22px 0 0;font-size:13px}.foot a{color:var(--muted)}.redirecting{color:var(--muted);margin:0;font-size:14px}@media (max-width:520px){body{padding:20px 16px calc(20px + env(safe-area-inset-bottom));padding-top:max(24px, env(safe-area-inset-top));align-items:flex-start}.card{border-radius:16px;padding:28px 20px}.logo{width:min(200px,60vw);margin-bottom:18px}h1{font-size:20px}.tagline{margin-bottom:20px;font-size:14px}.btn{padding:15px 16px;font-size:15px}.qr,.hint{display:none}}@media (max-width:360px){.card{padding:24px 16px}.btn{gap:8px;font-size:14px}}