:root{--bg: #f4f5f7;--card: #ffffff;--sunk: #eceef1;--text: #16181c;--text-2: #5b6470;--text-3: #9aa1ab;--line: #eef0f3;--card-border: #e4e7ec;--blue: #2f7bff;--blue-d: #1f6bff;--green: #11b566;--red: #f0473c;--amber: #f59e0b;--r-xl: 12px;--r-l: 10px;--r-m: 8px;--r-s: 6px;--pill: 999px;--sh: 0 1px 2px rgba(20, 24, 33, .03);--sh-pop: 0 12px 40px rgba(20, 24, 33, .18);--ease: cubic-bezier(.2, .8, .2, 1);--safe-b: env(safe-area-inset-bottom, 0px);--mono: "SF Mono", ui-monospace, "Roboto Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:MiSans,PingFang SC,-apple-system,system-ui,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.2px}.app{max-width:480px;margin:0 auto;min-height:100vh;padding:0 14px calc(28px + var(--safe-b))}@keyframes 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0;width:max-content}.card-secret{font-family:var(--mono);font-size:14px;font-weight:600;color:var(--text);word-break:break-all;user-select:all}.test-banner{text-align:center;font-size:12.5px;font-weight:650;color:var(--amber);background:#f59e0b1f;border:1px solid rgba(245,158,11,.3);border-radius:var(--r-m);padding:8px 12px;margin:8px 0 4px}@media(min-width:700px){.app{max-width:680px}.pcards,.faq-feats{grid-template-columns:repeat(3,1fr)}}@media(min-width:1000px){.app{max-width:1040px;padding:0 24px calc(40px + var(--safe-b))}.pcards{grid-template-columns:repeat(4,1fr)}.hero{display:grid;grid-template-columns:360px 1fr}.hero-media{height:100%;min-height:220px}.hero-info{display:flex;flex-direction:column;justify-content:center}}.site-footer{margin-top:28px;border-top:1px solid var(--card-border);background:var(--card)}.ft-inner{max-width:1040px;margin:0 auto;padding:20px 16px calc(20px + var(--safe-b));display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}.ft-links{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}.ft-link{color:var(--text-2);font-size:13px;font-weight:600;text-decoration:none;cursor:pointer}.ft-link:active{opacity:.6}.ft-contact{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;color:var(--text-3);font-size:12px}.ft-copy{color:var(--text-3);font-size:11.5px}.fab-service{position:fixed;right:16px;bottom:calc(18px + var(--safe-b));z-index:90;display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border:0;border-radius:var(--pill);background:var(--blue);color:#fff;font-size:15px;font-weight:650;box-shadow:var(--sh-pop);cursor:pointer;transition:transform .12s var(--ease)}.fab-service:active{transform:scale(.94)}.fab-txt{font-size:13.5px}.sh-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.sh-head .sh-title{margin:0}.svc-body{display:flex;flex-direction:column;gap:14px;align-items:center}.svc-rows{width:100%;display:flex;flex-direction:column;gap:10px}.svc-kv{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:var(--sunk);border-radius:var(--r-m)}.svc-k{color:var(--text-2);font-size:13px}.svc-v{font-weight:650}.svc-qr{width:180px;height:180px;object-fit:contain;border-radius:var(--r-l);border:1px solid var(--line);background:#fff}.demo-wrap{margin-top:4px}.demo-video{width:100%;border-radius:var(--r-l);background:#000;max-height:70vh;display:block}.demo-frame{width:100%;aspect-ratio:16 / 9;border:0;border-radius:var(--r-l);background:#000;display:block}.faq-h1{font-size:22px;font-weight:800;text-align:center;margin:4px 0 16px;letter-spacing:-.01em}.faq-feats{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:14px}.faq-feat{background:var(--card);border:1px solid var(--card-border);border-radius:var(--r-l);box-shadow:var(--sh);padding:14px 16px}.ff-t{font-size:14px;font-weight:700;color:var(--text)}.ff-s{font-size:12px;color:var(--text-3);margin-top:4px;line-height:1.5}.faq-search-wrap{margin-bottom:12px}.faq-search{width:100%;border:1px solid var(--line);background:#fbfcfd;font:inherit;font-size:14px;padding:12px 16px;border-radius:var(--pill);outline:none;transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}.faq-search:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px #2f7bff1f}.faq-cats{display:flex;gap:8px;overflow-x:auto;padding:2px 0 12px;scrollbar-width:none}.faq-cats::-webkit-scrollbar{display:none}.faq-cat{flex:none;border:1px solid var(--line);background:var(--card);color:var(--text-2);font-size:13px;font-weight:600;padding:7px 14px;border-radius:var(--pill);cursor:pointer;transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease)}.faq-cat:active{transform:scale(.95)}.faq-cat.active{background:#11b5661f;border-color:var(--green);color:var(--green)}.faq-item+.faq-item{border-top:1px solid var(--line)}.faq-answer{color:var(--text-2);font-size:13.5px;line-height:1.6;white-space:pre-wrap}@media(min-width:700px){.faq-feats{grid-template-columns:repeat(3,1fr)}}.dist-form{display:flex;flex-direction:column;gap:10px;width:100%}.dist-link{word-break:break-all;color:var(--blue)}.dist-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}.dist-stat{background:var(--card);border:1px solid var(--card-border);border-radius:var(--r-l);box-shadow:var(--sh);padding:14px 8px;text-align:center}.ds-v{font-size:20px;font-weight:800;color:var(--text)}.ds-l{font-size:12px;color:var(--text-3);margin-top:4px}.dist-tip{margin:8px 2px 0;color:var(--text-3)}