.chan_en {
  color: #333333;
  font-size: 12px;
  line-height: 25px;
  width:110px;
  text-align: left;
  position: relative;
  cursor: pointer;
  margin-top:0;z-index:9999;
}
.chan_inner span {
  display: block;width: 110px;padding-left:25px;
}
.chan_inner {
  position: absolute;
  width: 100%;
  height: 25px;
  z-index: 3;
  top: 0;
  left: 0;
  background:none;
  -webkit-transition: .5s;
  transition: .5s;
  overflow: hidden;
}
.en1 {
  display: block;
  color: #ffffff;
  font-size: 12px;
  -webkit-transition: .5s;line-height:35px;
  transition: .5s;
  text-align: left;padding-left:40px;background:url(../images/en.jpg) left center no-repeat;
}
.en2 {
  display: block;
  color: #ffffff;
  font-size: 12px;
  -webkit-transition: .5s;padding-left:40px;
  transition: .5s;line-height:35px;
  text-align: left;background:url(../images/cn.jpg) left center no-repeat;
}
.chan_inner:before {
  content: "";
  position: absolute;
  height: 10px;
  width: 0;
  background-color: #434343;
  left: 0;
  top: 9px;
}
.en1:hover,
.chan_inner:hover {
  color: #ffffff;
}
.chan_inner:hover {
  height: 78px;background:#214792;padding:15px;left:-15px;
}