.backTop-component{visibility:hidden;width:76px;height:76px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fff;border-radius:4px;box-shadow:0 3px 8px 0 rgba(0,0,0,.1)}.backTop-component:hover{cursor:pointer}.backTop-component:hover path{stroke:#fd502a}.backTop-component:hover em{color:#fd502a}.backTop-component em{color:#666;text-align:center;font-family:Source Han Sans JP;font-size:11px;font-style:normal;font-weight:400;line-height:18px}.show{visibility:visible}