#TopNavigation{
  width:100%;
  height: 100px;
  background: #00204A;
  z-index: 2;
  transition:.4s,top;
  -moz-transition:.4s,top;
  -webkit-transition:.4s,top;
  -o-transition:.4s,top;
  top:0px;
  left: 0px;
  position:fixed;
  box-shadow: 0 0 5px #272727;
  cursor: pointer
}
#TopNavigation .main{
  width:1226px;
  color: rgb(255, 255, 255);
  line-height:100px;
  margin: 0 auto;
}
#LeftTopNavigation{
  float: left;
}
#RightTopNavigation{
  float: right;
  width: 46%;
}
#TopNavigationLogo{
  float: left;
}
#TopNavigationLogo img{
  margin-top:12px;
  width: 200px;
  height:70px;
}
.weChat{
  float:left;
}
.weChat img{
  width: 25px;
  height:25px;
  margin-left:20px;
  margin-top:35px;
}
.weChatLogo{
  float:left;
  position: relative;
  top:100px;
  left:-150px;
  height: 150px;
  width:150px;
  border-radius: 5px 5px 5px 5px;
  background: #fff;
  padding:11px;
  
}
.weChatLogo img{
  height:128px;
  width: 128px;
}
#TopNavigationCompany a{
  text-decoration: none;
  color:white;
}
#RightTopNavigation ul{
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-size: 14px;
}
#RightTopNavigation ul li{
  float: left;
  cursor:pointer;
  font-size: 1.2em;
  width: 25%;
  text-align: center;
}
#RightTopNavigation ul li div{
  height: 3px;
  width: 60%;
  margin: 0 auto;
  background: white;
  opacity: 0;
  transition:all 0.3s;
}
#news:hover div{
  opacity: 100;
  transition:all 0.3s;
}
#pro:hover div{
  opacity: 100;
  transition:all 0.3s;
}
#case:hover div{
  opacity: 100;
  transition:all 0.3s;
}
#about:hover div{
  opacity: 100;
  transition:all 0.3s;
}
/*顶部导航条*/