.back-to-top{cursor:pointer;z-index:999999;opacity:0;pointer-events:none;width:48px;height:48px;transition:opacity 1.1s,transform 1.1s;display:block;position:fixed;bottom:32px;right:32px}.back-to-top.visible{opacity:1;pointer-events:auto}.back-to-top .orb{isolation:isolate;z-index:999999;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:transform .25s,box-shadow .25s;display:flex}.back-to-top:hover .orb{transform:translateY(-4px)scale(1.08)}.orb-glyph{pointer-events:none;width:32px;height:32px;display:block}