.gray-bg[data-v-5264cf2d]{height:100vh;overflow:hidden}.wrapper-content[data-v-5264cf2d]{height:calc(100% - 155px);overflow:auto}.back-top-btn[data-v-5264cf2d]{position:fixed;right:100px;bottom:100px;background:#ccc;color:#c80000;cursor:pointer;padding:10px;z-index:999}.backtopbtn-enter-active[data-v-5264cf2d],.backtopbtn-leave-active[data-v-5264cf2d]{animation-duration:.5s}.footer[data-v-5264cf2d]{text-align:center}