/* Stable navigation marker; no pulse, layout shift or dependency on page tokens. */
header nav .bp58-lab::before{
 content:"";position:static;display:inline-block;flex:0 0 6px;
 width:6px;height:6px;min-width:6px;min-height:6px;max-width:6px;max-height:6px;
 margin:0 8px 0 0;vertical-align:middle;border-radius:50%;
 background:#71cad5;box-shadow:0 0 0 4px #71cad50c;
 opacity:1;transform:none;animation:none;transition:none;
}