.nc-topbar{position:sticky;inset-block-start:0;z-index:50;box-shadow:0 1px 0 var(--nc-line)}
.nc-topbar::before{content:"";position:absolute;inset:0;z-index:-1;background:color-mix(in srgb,var(--nc-bg) 84%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.nc-bar{position:relative;max-width:1080px;margin:0 auto;padding:11px 20px;display:flex;align-items:center;gap:18px;justify-content:space-between}
.nc-mark{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.nc-mark img{display:block;width:40px;height:40px}
.nc-menu{display:flex;align-items:center;gap:6px}
.nc-pill{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;text-decoration:none;color:var(--nc-text);font-size:14.5px;font-weight:600;padding:9px 15px;border-radius:999px;transition:background .18s ease,color .18s ease}
.nc-pill .nc-i{font-size:16px;color:var(--nc-hot)}
.nc-pill:hover{background:var(--nc-card);color:var(--nc-deep)}
.nc-burger{display:none;align-items:center;justify-content:center;flex:none;width:42px;height:42px;padding:0;border:0;border-radius:999px;background:var(--nc-card);color:var(--nc-deep);cursor:pointer;box-shadow:0 1px 0 var(--nc-line)}
.nc-burger .nc-i{font-size:22px;stroke-width:2}
.nc-burger [data-nc-x]{display:none}
.nc-block,.nc-rail,.nc-top3{scroll-margin-block-start:84px}
@media (max-width:820px){
.nc-bar{padding:9px 14px;gap:10px}
.nc-topbar[data-nc-menu] .nc-burger{display:inline-flex}
.nc-topbar[data-nc-menu] .nc-menu{position:fixed;inset-block:0;inset-inline-end:0;width:min(78vw,300px);flex-direction:column;align-items:stretch;gap:4px;padding:76px 16px 20px;background:var(--nc-card);box-shadow:-18px 0 40px -24px rgba(16,19,49,.55);transform:translateX(102%);transition:transform .28s cubic-bezier(.3,.9,.3,1);overflow-y:auto}
.nc-topbar[data-nc-menu][data-nc-open] .nc-menu{transform:none}
.nc-topbar[data-nc-menu] .nc-pill{font-size:16px;padding:13px 14px;border-radius:12px}
.nc-topbar[data-nc-menu] .nc-pill:hover{background:var(--nc-tint)}
.nc-topbar[data-nc-menu][data-nc-open] .nc-burger{position:relative;z-index:2}
.nc-topbar[data-nc-menu][data-nc-open] .nc-burger [data-nc-x]{display:block}
.nc-topbar[data-nc-menu][data-nc-open] .nc-burger [data-nc-bars]{display:none}
.nc-scrim{position:fixed;inset:0;background:rgba(16,19,49,.4);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s}
.nc-topbar[data-nc-menu][data-nc-open] .nc-scrim{opacity:1;visibility:visible}
}
@media (min-width:821px){.nc-scrim{display:none}}
@media (prefers-reduced-motion:reduce){.nc-menu,.nc-scrim,.nc-pill{transition:none}}