:root{--ink:#2e2e2e;--muted:#8a8a8a;--line:#e4e4e4;--bg:#ffffff;--soft:#f6f6f6;--radius:14px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}.wrap{max-width:1080px;margin:0 auto;padding:32px 20px 72px}header.site{display:flex;align-items:center;gap:14px;padding-bottom:24px;border-bottom:1px solid var(--line)}header.site img{width:52px;height:52px;object-fit:contain}header.site .name{font-weight:700;letter-spacing:-.01em;font-size:18px}header.site .tag{color:var(--muted);font-size:13px}h1{font-size:clamp(28px,5vw,44px);line-height:1.1;letter-spacing:-.03em;margin:40px 0 12px}p.lede{color:var(--muted);font-size:17px;line-height:1.6;max-width:62ch;margin:0 0 28px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .05s ease}.btn:hover{background:var(--soft);border-color:#d2d2d2}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}.btn.primary:hover{background:#1c1c1c}.viewer{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--soft);height:min(82vh,900px)}.viewer iframe{width:100%;height:100%;border:0;display:block}.fallback{padding:40px 24px;text-align:center;color:var(--muted);font-size:14px}footer.site{margin-top:56px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}.qr-grid{display:grid;grid-template-columns:1fr;grid-gap:28px;gap:28px;margin-top:28px}.qr-grid>*{min-width:0}@media (min-width:860px){.qr-grid{grid-template-columns:380px 1fr}}.field{display:block;margin-bottom:16px}.field span{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.field input[type=text],.field input[type=url],.field select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff}.field input[type=range]{width:100%}.field .hint{color:var(--muted);font-weight:400;font-size:12px}.canvas-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--soft);padding:28px;display:flex;flex-direction:column;align-items:center;gap:18px}.canvas-card canvas{width:min(340px,100%)!important;height:auto!important;border-radius:8px;background:#fff}.note{font-size:12.5px;line-height:1.6;color:var(--muted);border-left:2px solid var(--line);padding-left:12px;margin-top:20px}