@layer quartz-base{.toc-rail{top:var(--topbar-h,2.7rem);z-index:6;padding:1.4rem 0 1.4rem var(--rail-x,17px);box-sizing:border-box;font-family:var(--bodyFont);outline:none;display:flex;position:fixed;bottom:0;left:0}.toc-rail.toc-rail-off{display:none}.toc-rail-line{background:var(--lightgray);flex:none;width:1px;position:relative}.toc-rail-progress{background:var(--darkgray);width:1px;position:absolute;left:0}.toc-rail-list{flex-direction:column;flex:1;min-width:0;margin:0 0 0 -4px;padding:0;list-style:none;display:flex}.toc-rail-item{flex:0;min-height:0;margin:0;padding-left:14px;position:relative}.toc-rail-item:before{content:"";background:var(--gray);width:7px;height:1px;position:absolute;top:.55em;left:1px}.toc-rail-item>a{color:var(--gray);overflow-wrap:break-word;opacity:0;padding:.1rem .75rem .25rem 0;font-size:.78rem;line-height:1.3;text-decoration:none;transition:opacity .25s,color .15s;display:block}.toc-rail-item>a:hover,.toc-rail-item.active>a{color:var(--darkgray)}.toc-rail-item.active:before{background:var(--darkgray)}.toc-rail-item.depth-2>a{padding-left:.75rem}.toc-rail-item.depth-3>a{padding-left:1.5rem}.toc-rail-item.depth-4>a{padding-left:2.25rem}.toc-rail-item.depth-5>a{padding-left:3rem}.toc-rail-item.depth-6>a{padding-left:3.75rem}.toc-rail-title:before{display:none}.toc-rail-title>a{font-family:var(--headerFont);padding-bottom:.6rem;font-size:.9rem;font-weight:600}.toc-rail:hover .toc-rail-item>a,.toc-rail:focus-within .toc-rail-item>a{opacity:1}.toc-rail.toc-rail-narrow .toc-rail-list{top:1.4rem;bottom:1.4rem;left:calc(var(--rail-x,17px) - 4px);pointer-events:none;width:260px;margin:0;transition:background .25s,box-shadow .25s;position:absolute}.toc-rail.toc-rail-narrow:hover .toc-rail-list,.toc-rail.toc-rail-narrow:focus-within .toc-rail-list{pointer-events:auto;background:var(--light);box-shadow:4px 0 12px #00000014}.toc-rail.toc-rail-narrow.toc-rail-shut .toc-rail-list{pointer-events:none;box-shadow:none;background:0 0}.toc-rail.toc-rail-narrow.toc-rail-shut .toc-rail-item>a{opacity:0}}