.scroll-down-btn{cursor:pointer;transition:opacity .3s ease,transform .3s ease;bottom:40px;left:50%;transform:translateX(-50%);opacity:1;position:fixed;background-color:#fff;border:none;padding:0}.scroll-down-btn span{width:46px;height:46px;margin-left:-23px;margin-top:-11px;border-radius:100%;transform:rotate(-45deg);background:linear-gradient(#5cbbd5,#615594)}.scroll-down-btn span,.scroll-down-btn span:after{position:absolute;top:50%;left:50%;box-sizing:border-box}.scroll-down-btn span:after{content:"";width:16px;height:16px;margin-left:-8px;margin-top:-8px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:translate(0)}.scroll-down-btn span:before{content:"";position:absolute;width:44px;height:44px;left:0;top:0;border-radius:100%;box-shadow:0 0 0 0 rgba(0,0,0,.1);opacity:0;animation:sdb03 3s infinite}@keyframes sdb03{0%{opacity:0}30%{opacity:1}60%{box-shadow:0 0 0 60px rgba(0,0,0,.1);opacity:0}to{opacity:0}}.scroll-down-btn.hide{opacity:0;transform:translateY(20px);pointer-events:none}@media (max-width:768px){.scroll-down-btn{cursor:pointer;transition:opacity .3s ease,transform .3s ease;bottom:40px;left:50%;transform:translateX(-50%);opacity:1;position:fixed;background-color:transparent;border:none;padding:0;box-shadow:0 4px 8px rgba(0,0,0,.2);z-index:1000}.scroll-down-btn span{width:46px;height:46px;margin-left:-23px;margin-top:-23px;border:1px solid #625291;border-radius:100%;transform:rotate(-45deg)}.scroll-down-btn span,.scroll-down-btn span:after{position:absolute;top:50%;left:50%;box-sizing:border-box}.scroll-down-btn span:after{content:"";width:16px;height:16px;margin-left:-8px;margin-top:-8px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:translate(0)}.scroll-down-btn span:before{content:"";position:absolute;width:44px;height:44px;left:0;top:0;border-radius:100%;box-shadow:0 0 0 0 hsla(0,0%,100%,.8);opacity:0;animation:sdb03 3s infinite}@keyframes sdb03{0%{opacity:0}30%{opacity:1}60%{box-shadow:0 0 0 60px hsla(0,0%,100%,.1);opacity:0}to{opacity:0}}.scroll-down-btn.hide{opacity:0;transform:translateY(20px);pointer-events:none}}