.contant {
    width: 233px;
    height: 317px;
    position: fixed;
    left: 0;
    top: 50%;
    margin-top: -160px;
    z-index: 994534;
  }
  .contant .left {
    width: 80px;
    float: left;
    position: relative;
  }
  .contant .left .bj1 {
    display: block;
    width: 80px;
    height: 80px;
  }
  .contant .left .p1 {
    background:url(../img/baidu/p1.png) no-repeat center;
  }
  .contant .left .p1.active {
    background:url(../img/baidu/p1-l.png) no-repeat center;
  }
  .contant .left .p2 {
    background:url(../img/baidu/p2.png) no-repeat center;
    margin-top: -1px;
    position: relative;
  }
  
  .contant .left .p2 .res{
    width: 154px;
    height: 159px;
    position: absolute;
    right: -154px;
    top: -78px;
    display: none;
    background:url(../img/baidu/bj.png) no-repeat center;
  }
  
  .contant .left .p2.active {
    background:url(../img/baidu/p2-l.png) no-repeat center;
  }
  .contant .left .a {
    position: relative;
    height: 80px;
    margin-top: -1px;
    background:url(../img/baidu/p3.png) no-repeat center;
  }
  .contant .left .a.active {
    background:url(../img/baidu/p3-l.png) no-repeat center;
  }
  .contant .left .b {
    position: relative;
    height: 80px;
    margin-top: -1px;
    background:url(../img/baidu/p4.png) no-repeat center;
  }
  .contant .left .b.active {
    background:url(../img/baidu/p4-l.png) no-repeat center;
  }
  .contant .left .erweima {
    width: 80px;
    height: 80px;
    position: relative;
  }
  .contant .left .rel {
    width: 154px;
    height: 159px;
    background:url(../img/baidu/lxwecat.png) no-repeat center;
    position: absolute;
    right: -153px;
    top: 2px;
    display: none;
  }
  .contant .left .rek {
    width: 154px;
    height: 159px;
    background:url(../img/baidu/sfk.png) no-repeat center;
    position: absolute;
    right: -153px;
    top: -78px;
    display: none;
  }