.head_main {
  width: 100%;
  height: 100px;
  position: fixed;
  top: 0;
  z-index: 9999;
  background: #ffffff;
  padding-top: 20px;
}

#ceshi1 {
  /*background: url(../images/bg.png) no-repeat center center;*/
  /*background-size: 100% 100%;*/
}

.head {
  height: 80px;
}

.head .logo {
  width: 84px;
  height: 80px;
  /* margin-right: 120px; */
  transform: scale(.7);
  -webkit-transform: scale(.7);
  -moz-transform: scale(.7);
  -ms-transform: scale(.7);
}

.leftLogo {
  width: 46px;
  /* height: 80px; */
  vertical-align: middle;
  display: inline-block;
  /* margin-right: 120px; */

}

.leftLogo img {
  width: 100%;
}

.head .logo img {
  width: 100%;
}

.nav {
  height: 80px;
  line-height: 80px;
}

.nav a {
  margin-left: 30px;
  display: inline-block;
  line-height: 33px;
  padding: 0 15px;
}

.actived {
  border-bottom: 1px solid #7883f3;
  color: #7883f3;
}

.footeruptitle {
  width: 390px;
  margin: 0px auto 60px;
  padding-top: 40px;
}

.content {
  padding-top: 58px;
}

.content img {
  width: 100%;
}