.content-box[data-v-67adf56c]{background-color:var(--color_background);height:100vh;overflow:hidden;overflow-y:auto}.back-top[data-v-67adf56c]{position:fixed;transition:all .32s;right:1.8rem;bottom:100px;z-index:101;width:40px;height:40px;border-radius:50%;border:1px solid #afafb0;background-color:#f5f5f8;color:#636363;font-size:22px;display:flex;align-items:center;justify-content:center;opacity:0;cursor:pointer}.back-top.visible[data-v-67adf56c]{opacity:1;z-index:101}@media(max-width:769px){.back-top[data-v-67adf56c]{width:36px;height:36px;font-size:20px;bottom:130px;right:30px}}