/* 回顶部 */
.gotop{width: 36px;height: 104px;background: url(../images/gotop01.png) no-repeat 0 0;position: fixed;bottom:142px;left: 50%;margin-left: 610px;text-align: center;cursor: pointer;z-index: 5;box-sizing: border-box;}
.gotop:hover{width: 36px;height: 104px;background: url(../images/gotop01_hover.png) no-repeat 0 0;}
.gotop span{display: block;width: 16px;height: 16px;background: url(../images/gotop02.png) no-repeat 0 0;margin:16px auto 0;}
.gotop:hover span{background-image: url(../images/gotop02_hover.png);}
.gotop h3{font-size: 14px;color: rgba(66,189,248,1);line-height: 16px;padding: 8px 10px;margin-top: 0;}
.gotop:hover h3{color: #D13521;color: rgba(0,221,255,1);}