const TOOLTIP_STYLE: &str = "pointer-events-none absolute left-1/2 -translate-x-1/2 px-3 py-1.5 text-xs font-medium whitespace-nowrap rounded-lg opacity-0 group-hover:opacity-100 transition-opacity duration-200 bg-paper-primary text-paper-theme shadow-lg z-50";Expand description
Tooltip 定位样式（胶囊：黑底白字，hover 显现）。