@charset "UTF-8";
.side-float-box {
  position: fixed;
  top: 520px;
  right: 5px;
  z-index: 999;
  width: 50px;
}
.side-float-box .side-float-item {
  width: 50px;
  height: 50px;
  background-color: #b0b0b0;
  cursor: pointer;
  position: relative;
  display: flex;
  display: -ms-flexbox;
  align-items: center;
  -ms-flex-align: center;
  justify-content: center;
  -ms-flex-pack: center;
  border-bottom: 1px solid #fff;
}
.side-float-box .side-float-item:hover {
  background-color: #c62626;
}
.side-float-box .side-float-item.side-float-top {
  background-color: #c62626;
  border-bottom: none;
}
.side-float-box .side-float-item .icon {
  display: block;
  width: 30px;
  height: 30px;
  background-image: url("../images/icon/sidebar.png");
  background-repeat: no-repeat;
}
.side-float-box .side-float-item:hover .icon {
  animation: rotate-icon 0.5s linear;
  animation-fill-mode: none; /* 动画结束后不保留最后一帧 */
}
.side-float-box .side-float-item .tooltip {
  display: none;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(-100%, -50%);
  background-color: #fff;
  border: 5px solid #e4e4e4;
}
.side-float-box .side-float-item:hover .tooltip {
  display: block;
}
.side-float-box .side-float-app .icon {
  background-position: 6px 0;
}
.side-float-box .side-float-wechat .icon {
  background-position: 0px -167px;
}
.side-float-box .side-float-map .icon {
  background-position: 2px -250px;
}
.side-float-box .side-float-top .icon {
  background-position: 3px -329px;
}

@keyframes rotate-icon {
  from {
    transform: rotateY(0deg);
  }
  50% {
    transform: rotateY(180deg);
  }
  to {
    transform: rotateY(0deg);
  }
}