.ct_tit{
  width:100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.ct_sub1{
  width:auto;
  padding-left:35px;
  background: url(/img/xxi1.png) no-repeat 0 0;
  font-size: 30px;
  color: #000;
  line-height: 30px;
}
.ct_sub1.gaik{
  background: url(/img/xxi2.png) no-repeat 0 0;
  color:#fff;
}
.ct_sub2{
  width:auto;
  font-size: 16px;
  position: relative;
  line-height: 24px;
  padding-bottom: 6px;
}
.ct_sub2 a:after{
  width:100%;
  height: 1px;
  background-color:#666;
  position: absolute;
  left: 0;
  bottom: 0;
  content:'';
}
.ct_sub2 a{
  color:#666;
}
.ct_sub2 a:hover{
  color:#e2212f;
}
.ct_sub2 a:hover:after{
  background-color:#e2212f;
}
.rztitle{
  font-weight:bold;
  color:#000;
  font-size:22px;
}
/****首页简介****/
.aboutsut{
  width:100%;
  background-color: #fff;
  margin-top:5%;
}
.aboutsut ul{
  margin: 0;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}
.aboutsut ul li{
  list-style: none;
  width: 20%;
  padding:30px 0;
}
.aboutsut ul li i{
  width:48px;
  height: 48px;
  margin: 0 auto;
  background-repeat: no-repeat;
  background-position: 0 0;
  display: block;
}
.aboutsut ul li:nth-child(1) i{
  background-image: url(/img/onc1.png);
}
.aboutsut ul li:nth-child(2) i{
  background-image: url(/img/onc2.png);
}
.aboutsut ul li:nth-child(3) i{
  background-image: url(/img/onc3.png);
}
.aboutsut ul li:nth-child(4) i{
  background-image: url(/img/onc4.png);
}
.aboutsut ul li:nth-child(5) i{
  background-image: url(/img/onc5.png);
}
.aboutsut ul li p{
  width: 100%;
  text-align: center;
  color:#354253;
  line-height: 1.6rem;
  margin-top: 12px;
  font-size: 18px;
}
.aboutsut ul li:hover i{
  background-position: 0 -48px;
}
.aboutsut ul li:hover{
  background-color:#e2212f;
}
.aboutsut ul li:hover p{
  color: #fff;
}
/***end**/
.intas1{
  width:100%;
  display:flex;
  flex-wrap:wrap;
  justify-content: space-between;
  line-height:2.2rem;
}
.intas1 .iasl{
  width:48%;
  font-size:18px;
  color:#333;
  margin-top:20px!important;
}
.intas1 .iasR{
  width:48%;
  text-align:right;
}
.intas1 img{
  max-width:100%;
}
.iasbut{
  width:180px;
  height:50px;
  line-height:50px;
  background-color:#fafafa;
  font-size:16px;
  margin-top:30px!important;
  text-align: center;
}
.iasbut a{
  color:#000;
}
.iasbut:hover{
  background-color:#e2212f;
}
.iasbut:hover a{
  color:#fff;
}
.intas1 h1{
  font-size:30px;
  font-weight:bold;
  margin-bottom:20px!important;
  color:#000;
}
@media only screen and (max-width: 768px){
  .ct_sub1{
    font-size: 24px;
  }
  .ct_sub2{
    font-size:14px;
  }
  .aboutsut{
    margin-top:30px;
  }
  .aboutsut ul li{
    padding:16px 0;
  }
  .aboutsut ul li p{
    font-size: 16px;
  }
  .rztitle{
    font-size:16px;
  }
  .intas1 h1{
    font-size:24px;
  }
  .intas1 .iasl{
    width:100%;
    font-size:16px;
    line-height:2rem;
  }
  .intas1 .iasR{
    width:100%;
    margin-top:20px;
  }
}