:root{--base-blue: #0052FF;--base-blue-dark: #0038b5;--ink: #0b0f19;--muted: #6b7280;--line: #e5e7eb;--card: #ffffff;--bg: #f6f8ff;--radius: 16px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--ink);margin:0;background:var(--bg);line-height:1.5}a{color:var(--base-blue);text-decoration:none}code{background:#eef2ff;border-radius:4px;padding:1px 5px;font-size:.9em}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 18px;background:#ffffffd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{font-weight:800;font-size:17px;letter-spacing:-.01em;display:flex;align-items:center;gap:8px}.brand-mark{width:22px;height:22px;border-radius:6px}.mark{color:var(--base-blue);font-size:22px}.nav{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}.connect-btn{padding:9px 14px;font-size:13px;font-weight:700;border:1px solid var(--base-blue);color:var(--base-blue);background:#fff;border-radius:999px;cursor:pointer}.connect-btn:hover{background:#eef2ff}.wallet-status{font-size:12px;color:var(--muted)}.hero{background:radial-gradient(1200px 400px at 10% -20%,rgba(0,82,255,.14),transparent),linear-gradient(180deg,#eef5ff 0%,var(--bg) 100%);padding:48px 18px 28px}.hero-inner{max-width:720px;margin:0 auto}.hero h1{font-size:clamp(28px,6vw,44px);letter-spacing:-.02em;margin:0 0 10px}.accent{color:var(--base-blue)}.sub{color:var(--muted);margin:0 0 22px;font-size:16px;max-width:560px}.price-strip{display:flex;gap:6px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;font-size:12px;color:var(--muted);padding:2px 0;max-width:100%}.price-strip::-webkit-scrollbar{display:none}.price-strip .chip{display:inline-flex;align-items:baseline;gap:5px;background:#ffffffe6;border:1px solid var(--line);border-radius:999px;padding:5px 10px;white-space:nowrap}.price-strip .chip b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}.price-strip .chip i{font-style:normal;color:var(--muted);font-size:11px}main{max-width:720px;margin:0 auto;padding:8px 18px 64px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:16px 0;box-shadow:0 1px 2px #0000000a,0 8px 24px #0052ff0d}.card-title{font-weight:700;font-size:17px;margin-bottom:12px}.swap-grid{display:grid;grid-template-columns:1fr;gap:10px;min-width:0}.field{min-width:0}.field 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auto}.cta{margin-top:16px;width:100%;padding:16px;font-size:16px;font-weight:700;background:var(--base-blue);color:#fff;border:0;border-radius:14px;cursor:pointer;transition:background .15s ease}.cta:hover:not(:disabled){background:var(--base-blue-dark)}.cta:disabled{opacity:.5;cursor:default}.cta.secondary{background:#fff;color:var(--base-blue);border:1px solid var(--base-blue)}.cta[hidden]{display:none}.muted{color:var(--muted)}.small{font-size:12px}.steps{display:grid;gap:12px}.step{display:flex;align-items:center;gap:12px;min-width:0}.step-n{flex:none;width:26px;height:26px;border-radius:50%;background:#eef2ff;color:var(--base-blue);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}.step p{margin:2px 0 0}.x-card{display:flex;align-items:center;gap:14px}.x-mark{width:42px;height:42px;border-radius:12px;background:#000;color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;flex:none}.x-card .x-name{font-weight:700;font-size:15px}.x-card .x-cta{margin-left:auto;background:#000;color:#fff;border:0;border-radius:999px;padding:10px 16px;font-size:13px;font-weight:700;text-decoration:none}.x-card .x-cta:hover{opacity:.85}.qr-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0b0f198c;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.qr-box{background:#fff;border-radius:18px;padding:22px;width:340px;max-width:100%;text-align:center;box-shadow:0 20px 60px #00000040}.qr-title{font-weight:800;font-size:16px;margin-bottom:12px}.qr-img{width:260px;height:260px;border-radius:10px;border:1px solid var(--line)}.qr-sub{color:var(--muted);font-size:12px;margin:10px 0 14px}.qr-actions{display:flex;gap:10px;justify-content:center}.qr-link{flex:1;font-size:13px;font-weight:700;color:var(--base-blue);border:1px solid var(--base-blue);border-radius:999px;padding:10px 8px}.qr-close{flex:none;font-size:13px;font-weight:700;color:#fff;background:var(--base-blue);border:0;border-radius:999px;padding:10px 18px;cursor:pointer}.qr-wallet-row{display:flex;gap:8px;justify-content:center;margin-top:14px;flex-wrap:wrap}.qr-wallet{font-size:12px;font-weight:700;color:#fff;background:#000;border-radius:999px;padding:8px 12px;text-decoration:none}.qr-wallet:hover{opacity:.85}footer{text-align:center;color:var(--muted);font-size:13px;padding:24px 18px 40px;border-top:1px solid var(--line);background:#fff}.footer-brand{font-weight:800;font-size:16px;margin-bottom:4px}footer a{font-weight:600}@media(min-width:640px){.swap-grid{grid-template-columns:1fr 44px 1fr;align-items:end}.swap-arrow{padding-bottom:12px}.card{padding:24px}}@media(max-width:420px){.hero h1{font-size:26px}.input-wrap select{max-width:108px;font-size:12px;padding:9px 5px}.x-card{flex-wrap:wrap}.x-card .x-cta{margin-left:0}}