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(min-width:1024px){.mk-demo-topics{flex-wrap:wrap;overflow:visible}}@media (max-width:1023px){.mk-demo-shell{grid-template-columns:minmax(0,1fr);grid-template-areas:"tabs" "stage" "bar";gap:8px;padding:8px;border-radius:20px}.mk-demo-tabs{display:flex;gap:4px;padding:4px;border-radius:14px;border:1px solid var(--mk-line);background:var(--mk-surface)}.mk-demo-tabs button{flex:1;height:44px;border:0;border-radius:10px;background:transparent;color:var(--mk-ink-2);font:600 15px/1 var(--font-mk-sans),system-ui,sans-serif;cursor:pointer}.mk-demo-tabs button[aria-selected=true]{background:var(--mk-ink);color:var(--mk-bg)}.mk-demo-chat{grid-area:stage;display:none;contain:none;height:min(72dvh,600px);min-height:420px}.mk-demo-shell[data-tab=chat] .mk-demo-chat{display:flex}.mk-demo-shell[data-tab=chat] .mk-demo-stage{display:none}.mk-demo-stage{padding:8px}.mk-demo-view{aspect-ratio:4/3.3}.mk-demo-view--concept{aspect-ratio:auto;max-height:440px;min-height:300px}.mk-demo-concept{padding:18px 16px}.mk-demo-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}.mk-demo-caption{flex-direction:column;align-items:stretch;gap:12px;min-height:0}.mk-demo-nav{width:100%}.mk-demo-navbtn{flex:1}.mk-demo-rosastrip{display:flex}.mk-demo-bar{position:sticky;bottom:8px;z-index:20;gap:6px;padding:8px;box-shadow:var(--mk-shadow-float)}.mk-demo-buy-btn{flex:1}.mk-demo-contact-btn{padding-left:14px;padding-right:14px}.mk-demo-iconbtn span,.mk-demo-spacer{display:none}.mk-demo-iconbtn{width:44px;justify-content:center;padding:0}.mk-demo-title{font-size:20px}}@media (prefers-reduced-motion:reduce){.mk-demo-pin,.mk-demo-pop,.mk-demo-zoom{animation:none!important;transition:none!important}}.mk-auth{--au-text:#333;--au-muted:#666;--au-line:#333;--au-soft:#f5f5f5;--au-soft-text:#8a8a8a;min-height:100dvh;display:flex;flex-direction:column;background:var(--mk-surface);color:var(--au-text);font-family:var(--font-mk-sans),system-ui,sans-serif}html[data-theme=dark] 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28px}.mk-ob-back{display:inline-grid;place-items:center;width:32px;height:32px;border:0;border-radius:999px;background:transparent;color:var(--au-muted);cursor:pointer;flex:none;margin-left:-6px}.mk-ob-back:hover:not(:disabled){background:var(--au-soft);color:var(--au-text)}.mk-ob-back:disabled{opacity:.3;cursor:default}.mk-ob-bar{flex:1;height:4px;border-radius:999px;background:var(--mk-line-strong);overflow:hidden}.mk-ob-bar>span{display:block;height:100%;border-radius:999px;background:var(--mk-brand);transition:width .35s ease}.mk-ob-count{flex:none;min-width:44px;text-align:right;font:300 12px/18px var(--font-mk-sans),system-ui,sans-serif;color:var(--au-muted)}.mk-ob-q{margin:0;text-align:center;font:600 22px/27px var(--font-mk-sans),system-ui,sans-serif;color:var(--au-text)}.mk-ob-help{margin:9px 0 0;text-align:center;font:400 18px/24px var(--font-mk-sans),system-ui,sans-serif;color:var(--au-muted)}.mk-ob-opts{display:grid;gap:12px;margin:24px 0 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