:root{--bg:#0b1020;--surface:#151c30;--surface-2:#1d2640;--border:#2a3450;--text:#e6e9f0;--muted:#95a0bd;--primary:#4f7cff;--primary-hover:#3d6af0;--danger:#ef4444;--ok:#22c55e;--warn:#f59e0b}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:22px;margin:0 0 4px}h2{font-size:16px;margin:0 0 12px}.muted{color:var(--muted)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--surface)}.brand{font-weight:700;letter-spacing:.3px}.container{max-width:1280px;margin:0 auto;padding:28px 24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:18px}label{display:block;font-size:12px;color:var(--muted);margin:10px 0 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.knob{left:18px}.chat-log{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}.msg{padding:10px 12px;border-radius:10px;max-width:80%}.msg.user{align-self:flex-end;background:var(--primary);color:#fff}.msg.bot{align-self:flex-start;background:var(--surface-2);border:1px solid var(--border)}.sources{font-size:11px;color:var(--muted);margin-top:6px}.center-screen{min-height:100vh;display:grid;place-items:center}.login-card{width:340px}.demo-center{min-height:100vh;display:grid;place-items:center;padding:24px}.demo-notice{text-align:center;max-width:420px}.demo-page{max-width:760px;margin:0 auto;padding:32px 20px;min-height:100vh;display:flex;flex-direction:column;gap:16px}.demo-header{display:flex;align-items:center;gap:12px}.demo-header h1{font-size:22px;line-height:1.2;margin:0 0 2px;letter-spacing:-.01em}.demo-header .muted{font-size:13px;margin:0}.demo-head-right{display:flex;align-items:center;gap:10px;margin-left:auto}body:has(.demo-center),body:has(.demo-page){background:#fbfaf9}.demo-center,.demo-page{--bg:#fbfaf9;--surface:#ffffff;--surface-2:#f2f1ef;--border:#e2e0dc;--text:#1b1a19;--muted:#6b6864;background:var(--bg);color:var(--text);min-height:100vh}.demo-lang select{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto;font:inherit;font-size:12px;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:4px 6px;cursor:pointer}.demo-lang select:hover{color:var(--text)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.demo-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px}.demo-chip{font:inherit;font-size:13px;cursor:pointer;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:999px;padding:7px 13px;transition:border-color .15s ease,transform .15s ease}.demo-chip:hover{border-color:var(--accent,var(--primary));transform:translateY(-1px)}.demo-source{color:inherit;text-decoration:underline;text-underline-offset:2px}.demo-source:hover{color:var(--accent-ink,var(--accent,var(--primary)))}.demo-note{font-size:12.5px;text-align:center;margin:0;padding:0 8px;line-height:1.5}.demo-logo{width:44px;height:44px;object-fit:contain;border-radius:8px}.demo-log{flex:1 1;min-height:380px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:18px;background:var(--surface);border:1px solid color-mix(in srgb,var(--accent,var(--primary)) 55%,var(--border));border-radius:14px;box-shadow:0 1px 3px rgb(0 0 0/5%)}.demo-empty{margin:auto;text-align:center;max-width:420px}.demo-msg{padding:11px 15px;border-radius:14px;max-width:78%;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.5;font-size:15px;box-shadow:0 1px 2px rgb(0 0 0/6%)}.demo-msg-user{border-bottom-right-radius:5px}.demo-msg-assistant{border-bottom-left-radius:5px}.demo-msg-user{align-self:flex-end;background:var(--accent-ink,var(--accent,var(--primary)));color:#fff}.demo-msg-assistant{align-self:flex-start;background:var(--surface-2)}.demo-msg-assistant a{color:inherit;text-decoration:underline;word-break:break-word}.demo-typing{display:flex;align-items:center;gap:5px;padding:14px}.demo-typing span{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.3;animation:demo-blink 1.3s ease-in-out infinite}.demo-typing span:nth-child(2){animation-delay:.18s}.demo-typing span:nth-child(3){animation-delay:.36s}@keyframes demo-blink{0%,60%,to{opacity:.25;transform:translateY(0)}30%{opacity:.85;transform:translateY(-2px)}}@media (prefers-reduced-motion:reduce){.demo-typing span{animation:none;opacity:.45}}.demo-form{display:flex;gap:8px}.demo-form .input{flex:1 1}.demo-form 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28px;max-width:46rem}.grid-3{display:grid;grid-gap:18px;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid-2{display:grid;grid-gap:28px;gap:28px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.feature{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.feature h3{font-size:15px;margin:0 0 8px}.feature p{margin:0;color:var(--muted)}.price-grid{display:grid;grid-gap:18px;gap:18px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.price-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px}.price-card--primary{border-color:var(--primary)}.price-label{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}.price-amount{font-size:34px;font-weight:700;letter-spacing:-.02em;line-height:1;display:flex;align-items:baseline;gap:9px;margin-bottom:14px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.price-unit{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0}.price-card h3{font-size:15px;margin:0 0 6px}.price-card p{margin:0;color:var(--muted)}.price-sub{font-size:15px;margin:34px 0 12px}.scroller{overflow-x:auto}.price-table{min-width:34rem}.price-table td.num,.price-table th.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.price-notes{margin-top:34px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px}.price-notes h3{font-size:15px;margin:0 0 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dt{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.facts dd{margin:4px 0 0;font-size:14px;word-break:break-word}.linkbox{display:flex;gap:8px;align-items:center;margin-top:6px}.linkbox code{flex:1 1;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:12px;overflow-x:auto;white-space:nowrap}.row-clickable{cursor:pointer}.icon-link{display:inline-block;padding:2px 8px;border-radius:6px;text-decoration:none;font-size:15px;line-height:1.4}.icon-link:hover{background:rgba(79,124,255,.12)}.row-clickable:hover{background:rgba(79,124,255,.07)}.demo-brand{display:flex;align-items:center;gap:8px;margin-left:auto;text-decoration:none;color:var(--muted);font-size:12px;white-space:nowrap}.demo-brand:hover{color:var(--text)}.demo-brand img{height:22px;width:auto;display:block}.demo-cta{display:flex;align-items:center;gap:16px;border:1px solid var(--accent,var(--primary));border-radius:12px;background:var(--surface);padding:14px 16px;margin-top:4px}.demo-cta>div{flex:1 1;min-width:0}.demo-cta .btn{flex:0 0 auto;white-space:nowrap}@media (max-width:560px){.demo-cta{flex-direction:column;align-items:stretch;gap:10px}.demo-cta .btn{text-align:center}}.demo-cta .btn{background:var(--accent-ink,var(--accent,var(--primary)));border-color:var(--accent-ink,var(--accent,var(--primary)));color:#fff}.demo-cta p{margin:0;font-size:13px}.demo-more{margin-top:6px!important;font-size:12px!important;color:var(--muted)}.demo-cta .btn{margin-left:auto}@media (max-width:520px){.demo-brand,.demo-cta .btn{margin-left:0}}.demo-foot{text-align:center;font-size:12px;padding-top:4px}.demo-foot,.demo-foot a{color:var(--muted)}.demo-foot a:hover{color:var(--text)}