.arco-back-top{position:fixed;right:24px;bottom:24px;z-index:100}.arco-back-top-btn{width:40px;height:40px;color:var(--color-white);font-size:12px;text-align:center;background-color:rgb(var(--primary-6));border:none;border-radius:var(--border-radius-circle);outline:none;cursor:pointer;transition:all .2s cubic-bezier(0,0,1,1)}.arco-back-top-btn:hover{background-color:rgb(var(--primary-5))}.arco-back-top-btn svg{font-size:14px}