/* 回到顶部 */
.jz_top {
  position: fixed;
  height: 60px;
  width: 60px;
  bottom: -100px;
  right: 0;
  z-index: 998;
  color: #2d2d2d;
  background-color: #fff;
  transition: all 0.5s cubic-bezier(0.316967, 0.989541, 0.310022, 1);
  border: 1px solid rgba(191, 191, 191, 0.4);
  padding-top: 4px;
  cursor: pointer;
}
.jz_top .iconfont {
  font-size: 30px;
}
.jz_top:hover {
  background-color: #ff5e10;
  color: #fff;
}
/* 回到顶部 */