/* 回到顶部 */
.top {
  position: fixed;
  height: 60px;
  width: 60px;
  bottom: -100px;
  right: 10px;
  z-index: 1000;
  color: #fff;
  border-radius: 5px;
  background-color: rgba(0, 0, 0, 0.3);
  -webkit-transition: background-color 0.8s cubic-bezier(0.316967, 0.989541, 0.310022, 1);
  -moz-transition: background-color 0.8s cubic-bezier(0.316967, 0.989541, 0.310022, 1);
  transition: background-color 0.8s cubic-bezier(0.316967, 0.989541, 0.310022, 1);
  background-size: 600px 400px;
  background-repeat: no-repeat;
  background-position: -118px 3px;
  padding-top: 4px;
  cursor: pointer;
}
.top .iconfont {
  font-size: 30px;
}
.top:hover {
  background-color: #5b4132;
}
.top p {
  font-size: 12px;
  margin-top: 4px;
}
/* 回到顶部 */