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