/* Shared three-level navigation; native details supports keyboard and touch. */
.nm-item{position:relative;display:flex;align-items:center;gap:2px;min-width:0}.nm-item>a{min-width:0;overflow-wrap:anywhere}.nm-branch{position:static}.nm-branch>summary{list-style:none;cursor:pointer;display:grid;place-items:center;width:30px;height:36px;border-radius:8px;color:inherit;font-size:14px;user-select:none}.nm-branch>summary::-webkit-details-marker{display:none}.nm-branch>summary:hover{background:var(--np-hover,#edf3fb)}.nm-branch>summary:focus-visible{outline:2px solid var(--np-accent,#2159e0);outline-offset:2px}.nm-sub{position:absolute;top:100%;left:0;z-index:60;display:grid;gap:4px;min-width:220px;max-width:min(300px,calc(100vw - 40px));padding:8px;border:1px solid var(--np-border,#e4e8ef);border-radius:12px;background:var(--np-surface,#fff);color:var(--np-text,#172033);box-shadow:0 12px 36px rgba(16,24,40,.14)}.nm-sub .nm-item>a{flex:1;display:block;white-space:normal;height:auto;padding:10px 12px;font-size:14px;line-height:1.5;border-radius:8px;color:inherit}.nm-sub .nm-item>a:hover{background:var(--np-hover,#edf3fb)}.nm-sub .nm-sub{top:-8px;left:100%}.nm-branch[data-flip]> .nm-sub{left:auto;right:0}.nm-sub .nm-branch[data-flip]> .nm-sub{right:100%}.nm-branch:not([open])>.nm-sub{display:none}.ne-nav>.nm-item>a{white-space:nowrap}.ne-mobile-nav>.nm-item{flex-wrap:wrap;border-bottom:1px solid #edf1f6}.ne-mobile-nav>.nm-item>a{flex:1;padding:12px 0;font-size:14px}.ne-mobile-nav .nm-branch{display:contents}.ne-mobile-nav .nm-sub{position:static;width:100%;min-width:0;max-width:none;margin:0 0 8px;padding:0 0 0 16px;border:0;border-radius:0;background:transparent;box-shadow:none}.ne-mobile-nav .nm-sub .nm-item{flex-wrap:wrap}.ne-mobile-nav .nm-sub .nm-item>a{flex:1}.ne-mobile-nav .nm-branch>summary{width:40px;height:44px}
@media(max-width:720px){.np-site__nav{flex-wrap:wrap;overflow:visible;align-items:flex-start}.np-site__nav>.nm-item{flex-wrap:wrap}.np-site__nav .nm-sub{position:static;min-width:180px;max-width:calc(100vw - 48px);box-shadow:none;margin:4px 0}.np-site__nav .nm-sub .nm-item{flex-wrap:wrap}.np-site__nav .nm-branch{display:contents}.np-site__nav .nm-sub .nm-sub{width:100%;min-width:0;margin-left:12px}.np-site__nav .nm-branch>summary{height:40px;width:36px}}
@media(prefers-reduced-motion:reduce){.nm-item *{transition:none}}

.ne-nav .nm-item>a[aria-current="page"]{color:var(--ne-blue,#2159e0)}