.back-top[data-v-d2ae2ba4]{display:flex;align-content:center;justify-content:center;flex-wrap:wrap;height:0;width:4rem;border-radius:.4rem;background-color:var(--bg-assist-color-4);cursor:pointer;z-index:-1;opacity:0;transition:.3s;overflow:hidden}.back-top .def-icon[data-v-d2ae2ba4]{transform:rotate(45deg);display:inline-block;width:1.5rem;height:1.5rem;border:4px solid var(--text-color-5);border-width:4px 0 0 4px;border-radius:2px}@keyframes show-animation-d2ae2ba4{0%{z-index:-1;opacity:0;height:0}to{z-index:100;opacity:1;height:4rem}}.show[data-v-d2ae2ba4]{height:4rem;z-index:100;opacity:1;animation:show-animation-d2ae2ba4 .3s}