.sb-nav-toggle,.sb-ctl-toggle{appearance:none;font:inherit;font-family:var(--sb-grotesk);font-size:var(--sb-size-h2);letter-spacing:-.01em;text-transform:none;color:var(--sb-on-stage-dim);cursor:pointer;text-align:right;background:0 0;border:0;margin:0;padding:0;transition:color .18s}.sb-nav-toggle .sb-zh,.sb-nav-toggle .sb-en,.sb-ctl-toggle .sb-zh,.sb-ctl-toggle .sb-en{display:inline}.sb-nav-toggle .sb-zh,.sb-ctl-toggle .sb-zh{color:var(--sb-on-stage);font-weight:var(--sb-weight-head)}.sb-nav-toggle .sb-en,.sb-ctl-toggle .sb-en{letter-spacing:var(--sb-tracking-label);text-transform:uppercase;opacity:.6;margin-left:.45em;font-size:.78em}.sb-ctl-toggle .sb-en{margin-left:.37em}.sb-nav-toggle:hover,.sb-nav-toggle:focus-visible,.sb-ctl-toggle:hover,.sb-ctl-toggle:focus-visible,.sb-nav.is-open .sb-nav-toggle,.sb-ctl.is-open .sb-ctl-toggle{color:var(--sb-on-stage);outline:none}.sb-nav.is-open>.sb-nav-toggle,.sb-ctl.is-open>.sb-ctl-toggle{text-align:right;align-self:auto}.sb-nav{top:calc(var(--sb-safe) * .5 + 3.4rem);right:calc(var(--sb-safe) * .5);z-index:11;font-size:var(--sb-size-small);flex-direction:column;align-items:flex-end;display:flex;position:fixed}.sb-nav-panel{margin-top:calc(var(--sb-gutter) * .6);width:min(22rem, calc(100vw - var(--sb-safe)));text-align:left;max-height:calc(100vh - var(--sb-safe) * 1.5 - 3.4rem - var(--sb-gutter));scrollbar-width:none;overflow-y:auto}.sb-nav-panel::-webkit-scrollbar{display:none}.sb-nav-item{border:0;border-top:1px solid var(--sb-rule);color:inherit;padding:.55rem 0;display:block}.sb-nav-item:first-child{border-top:0}.sb-nav-item .sb-nav-name .sb-zh{transition:color .14s}.sb-nav-item:hover .sb-nav-name .sb-zh,.sb-nav-item:focus-visible .sb-nav-name .sb-zh{color:var(--sb-ink-strong)}.sb-nav-item:focus-visible{outline:none}.sb-nav-name{justify-content:space-between;align-items:baseline;gap:var(--sb-gutter);display:flex}.sb-nav-name .sb-bi{display:block}.sb-nav-name .sb-en{font-size:.8em}.sb-nav-item.is-here{cursor:default}.sb-nav-item.is-here .sb-nav-name .sb-zh{color:var(--sb-ink-dim)}.sb-nav-answer{margin-top:.25rem}.sb-nav-answer .sb-zh,.sb-nav-answer .sb-en{color:var(--sb-ink-dim);font-size:.84em;line-height:1.35;transition:color .16s linear}.sb-nav-answer .sb-en{opacity:.62}.sb-nav-item:hover .sb-nav-answer .sb-zh,.sb-nav-item:focus-visible .sb-nav-answer .sb-zh{color:var(--sb-ink)}.sb-nav--overlay{transition:opacity .18s cubic-bezier(.4,0,1,1)}.sb-nav--overlay.is-faded{opacity:var(--sb-layer-entry)}.sb-nav--overlay:hover,.sb-nav--overlay:focus-within,.sb-nav--overlay.is-open{opacity:1}.sb-nav:not(.sb-nav--overlay) .sb-nav-panel{background:var(--sb-paper)}