.ke-banner{position:sticky;top:calc(var(--top-nav-height, 56px) + 8px);left:0;right:0;margin:8px auto;max-width:960px;border-radius:10px;padding:10px 14px;z-index:900;box-shadow:0 6px 18px rgba(0,0,0,.25);font-size:14px;line-height:1.4}
body.drawer-open .ke-banner{visibility:hidden;pointer-events:none;}
.ke-banner.info{background:#1e3a8a;color:#fff;border:1px solid #1d4ed8}
.ke-banner.warning{background:#7c2d12;color:#fff;border:1px solid #b45309}
.ke-banner.danger{background:#7f1d1d;color:#fff;border:1px solid #b91c1c}