.float {
  position: fixed;
  top: 50%;
  right: 10px;
  margin-top: -1px;
  width: 53px;
  z-index: 1000;
}
@media screen and (max-width: 1000px) {
  .float {
    display: none;
  }
}

.float-item:hover a {
  background-color: #1f237f;
  -moz-transition: all 0.3s ease 0s;
  -o-transition: all 0.3s ease 0s;
  -webkit-transition: all 0.3s ease;
  -webkit-transition-delay: 0s;
  transition: all 0.3s ease 0s;
  color:#ffffff;
}

.float-item-slide:hover {
  width: 200px;
  -moz-transition: all 0.3s ease 0s;
  -o-transition: all 0.3s ease 0s;
  -webkit-transition: all 0.3s ease;
  -webkit-transition-delay: 0s;
  transition: all 0.3s ease 0s;
}
.float-wechat {
  top: -54px;
}