.demo-banner{position:sticky;top:0;z-index:1000;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 10px;padding:6px 10px;background:#3b2a2f;color:#fff;font:500 12px/1.3 system-ui,sans-serif}
.demo-banner strong{letter-spacing:.02em}
.demo-banner .demo-hint{opacity:.85}
.demo-banner button{font:inherit;color:#3b2a2f;background:#f6e7e2;border:0;border-radius:999px;padding:3px 10px;cursor:pointer}
.demo-banner button:hover{background:#fff}
@media (max-width:520px){.demo-banner .demo-hint{flex-basis:100%;text-align:center}}