.bl {
  display: block !important;
}

.cl {
  clear: both;
}
.main3 .contains{
 height: 550px;
}
.banner {
  width: 100%;
  height: 618px;
  position: relative;
}

.banner .contains {
  height: 1px;
}
.ba-swiper .swiper-slide{
  position: relative;
  height: 618px;
}
.ba-swiper .contains{
  height: 1px;

  z-index: 1;
}
.ba_zx{
  position: absolute;
  left: 100px;
  bottom: -500px;
  z-index: 5;
  width: 456px;
  height: 56px;
  border: 2px solid #ff8d5b;
  border-radius: 30px;
}

.ba_zx p{
  width: 210px;
  height: 56px;
  line-height: 56px;
  text-align: center;
  
  font-size: 18px;
  color: #ff8d5b;
  float: left;
 
  font-weight: bold;

}
.ba_zx a{
  display: block;
  width: 240px;
  height: 56px;
  line-height: 56px;
  text-align: center;
  font-size: 18px;
  color: #fff;
  float: right;
  border-radius: 26px;
  font-weight: bold;
  background: #ff8d5b;
}
.ba_zx a img{
  vertical-align: middle;
}
.ba_img {
  width: 100%;
  height: 618px;
  object-fit: cover;
  z-index: 1;
}
.ba_zx2{
  position: absolute;
  left: 140px;
  bottom: -450px;
  z-index: 5;
  width: 350px;
  height: 60px;
  line-height: 60px;
  border-radius: 30px;
  background: #ff8d5b;
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
}
.ba_zx2 img{
  vertical-align: middle;
}
.ba_zx3{
  position: absolute;
  left: 140px;
  bottom: -450px;
  z-index: 5;
  width: 465px;
  height: 60px;
  line-height: 60px;
  border-radius: 30px;
  background: #ff8d5b;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
}
.ba_zx3 img{
  vertical-align: middle;
  margin-left: 20px;
}
.ba_nav {
  width: 365px;
  position: absolute;
  height: 571px;
  background: #fff;
  z-index: 5;
  top: 1px;
  right: 0;
  box-shadow: 0 0px 3px rgba(0, 0, 0, 0.1);
}

.ba_nav li {
  padding: 0 35px;
  height: 190px;
}

.ba_nav li h2 {
  font-size: 24px;
  color: #798189;
  padding-top: 50px;
  font-weight: normal;
}

.ba_nav li p {
  font-size: 16px;
  color: #798189;
  line-height: 28px;
  margin-top: 15px;
}

.ba_nav li:nth-of-type(2) {
  border-top: 1px solid #e6ebee;
  border-bottom: 1px solid #e6ebee;
}

.ba_act {
  position: relative;
}

.ba_nav .ba_act h2 {
  font-weight: bold;
  color: #153657;
}

.ba_nav .ba_act p {
  color: #153657;
}

.ba_act::before {
  position: absolute;
  content: '';
  width: 0;
  height: 0;
  border-top: 15px solid transparent;
  border-right: 15px solid #fff;
  border-bottom: 15px solid transparent;
  top: 0;
  bottom: 0;
  margin: auto 0;
  left: -15px;
}
.main1{
  width: 100%;
  height: 700px;
  background: #eef1fa;
  padding-top: 40px;
}
.tit{
  width: 550px;
  height: 50px;
  border: 1px solid #153657;
  margin: 0 auto;
  text-align: center;
}
.tit h2{
  font-size: 40px;
  color: #153657;
  height: 40px;
  margin-top: -30px;
  font-weight: normal;

}
.tit p{
  font-size: 20px;
    color: #153657;
    margin-top: 25px;
}
.tit  span{
  background: #eef1fa;
  padding: 0 10px;
}
.m1_list{
  margin-top: 40px;
}
.m1_list>li{
  width: 100%;
  height: 140px;
  margin-bottom: 20px;
}
.m1_tit{
  width: 280px;
  margin-right: 5px;
  float: left;
  height: 140px;
  line-height: 140px;
  font-size: 20px;
  color: #4a5662;
  background: #f8faff;
  text-align: center;
}
.m1_tit img{
  width: 90px;
  height: 93px;
  vertical-align: middle;
}
.m1_cont{
  width: 435px;
  padding-left: 80px;
  height: 140px;
  background: #f8faff;
  float: left;
  color: #798189;
}

.m1_cont h3{
  font-size: 20px;
  padding-top: 40px;
  font-weight: normal;
}
.m1_cont p{
  font-size: 16px;
  margin-top: 10px;
  width: 350px;
}
.m1_cont p a{
  width: 100px;
  height: 34px;
  background: #ff8d5b;
  color: #fff;
  line-height: 34px;
  text-align: center;
  border-radius:17px;
  float: right;
  display: block;
  margin-top: -13px;
}
.m1_nav{
  float: left;
  width: 400px;
}
.m1_nav li{
    float: left;
}
.m1_nav li a{
  display: block;
  width: 195px;
  margin-left: 5px;
  height: 68px;
  line-height: 68px;
  margin-bottom: 4px;
  background: #f8faff;
  text-align: center;
  font-size: 20px;
  color: #4a5662;
  transition: .5s;
  }
  .m1_nav li a:hover{
    color: #ff8d5b;
    background: #fff!important;
  }
.m1_list>li:nth-of-type(2) .m1_tit{
background: #f4f9fd;
}
.m1_list>li:nth-of-type(2) .m1_cont{
background: #f4f9fd;
}
.m1_list>li:nth-of-type(2) .m1_nav li a{
background: #f4f9fd;
}
.m1_list>li:nth-of-type(3) .m1_tit{
background: #f5f6fb;
}
.m1_list>li:nth-of-type(3) .m1_cont{
background: #f5f6fb;
}
.m1_list>li:nth-of-type(3) .m1_nav li a{
background: #f5f6fb;
}
.main2{
  width: 100%;
  height: 860px;
  padding-top: 60px;
  box-sizing: border-box;
  background: url(../img/index_2.png) center;
}
.main2 .tit{

  border: 1px solid #fff;
  width: 600px;
}
.main2 .tit h2{

  color: #fff;


}
.main2 .tit p{

    color: #fff;

}
.main2 .tit  span{
  background: #122a43;

}

.m2_form1{
  margin-top: 80px;
  
}
.form1_lf{

  width: 600px;
  position: relative;
  float: left;
}
.form1_lf img{
  display: block;
  float: left;

}

.form1_rt{
  padding-top: 80px;
  width: 390px;
  float: left;
  margin-left: 130px;
}
.form1_rt img{
  display: block;
  width: 390px;
  height: 95px;
}
.form1_rt h3{
  font-size: 20px;
  color: #fff;
  margin-top: 50px;
}
.form1_rt p{
  font-size: 16px;
  color: #d2dae2;
  line-height: 24px;
  margin-top: 24px;
}
.m2_form2{
  height: 443px;

}
.form2_lf{
  width: 600px;
  margin-top: 80px;
  float: left;
  position: relative;
}
.form2_lf img{
  display: block;
}
.m2_form2 .form1_rt{
  width: 464px;
}
.m2_form2 .form1_rt img{
  width: 464px;
  height: 211px;
}
.ad{
  width: 100%;
  height: 124px;
  background: #fff;
}
.ad h2{
  font-size: 40px;
  color: #153657;
  line-height: 124px;
  width: 590px;
  text-align: center;
  font-weight: normal;
  float: left;

}
.ad1{
  width: 268px;
  height: 58px;
  border: 1px solid #1eb2a6;
  line-height: 58px;
  text-align: center;
  font-size: 18px;
  color: #1eb2a6;
  border-radius: 30px;
  margin-top: 28px;
  margin-right: 40px;
  float: left;
}
.ad2{
  display: block;
  width: 270px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  font-size: 18px;
  color: #fff;
  font-weight: bold;
  background: #1eb2a6;
  border-radius: 30px;
  margin-top: 28px;
  float: left;
}
.ad2 img{
  width: 26px;
  height: 24px;
  vertical-align: middle;
}
.swiper-pagination-bullet-active{
  background:#fff!important;
}
.main3{
  width: 100%;
  height: 550px;
  background: url(../img/index_3.png) center;

}
.m3_form{
  width: 360px;
  padding: 0 60px;
  height: 400px;
  background: #fff;
  float: right;
  margin-top: 55px;
  margin-right: 70px;
}
.m3_form h2{
  padding-top: 30px;
  font-size: 20px;
  text-align: center;
  color: #3e4f58;
}
.m3_form input,select,textarea{
  display: block;
  font-size: 14px;
  color: #7a7e80;
}
.m3_form input, select{
  height: 36px;
  margin-top: 20px;
  width: 100%;
  border: none;
  border-bottom: 1px solid #9da3a5;

}
.m3_form textarea{
  border: 1px solid #9da3a5;
  width: 100%;
  height: 70px;
  margin-top: 30px;
}
.m3_form button{
  width: 330px;
  height: 50px;
  line-height: 50px;
  border: none;
  background: #ff8d5b;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  border-radius: 25px;
  margin: 0 auto;
  display: block;
  margin-top: 40px;
}
.m3_wx{
  position: absolute;
  width: 520px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  font-size: 20px;
  color: #3e4f58;
  left: 23px;
  bottom: 70px;
}
.main4{
  background: #eef1fa;
  padding-top: 60px;
  padding-bottom: 100px;
}
.m4_list{
  margin-top: 50px;
}
.m4_list li{
  width: 598px;
  height: 248px;
  float: left;
  margin-right: 4px;
  margin-bottom: 4px;
  position: relative;
}
.outside{
  position: absolute;
  width: 598px;
  height: 248px;
  text-align: center;
  color: #fff;
  left: 0;
  top: 0;

}
.outside p{
  margin-top: 70px;
}
.outside p .iconfont{
  font-size: 40px;

}
.outside h3{
  font-size: 20px;
  margin-top: 10px;
}
.inside{
  position: absolute;
  padding-left: 170px;
  width: 428px;
  height: 248px;
  text-align: left;
  color: #fff;
  left: 0;
  top: 0;
  background: rgba(18,42,67,0.64);
  opacity: 0;
}
.inside h3{
    font-size: 20px;
    padding-top: 60px;
    margin-bottom:20px;
}
.inside p{
  font-size: 14px;
  margin-bottom: 15px;
  line-height: 24px;
}
.m4_list li:hover .outside{
  opacity: 0;
}
.m4_list li:hover .inside{
  opacity: 1;
}
.m4_list li:nth-of-type(1){
  background: url(../img/index_15-min.png);
}
.m4_list li:nth-of-type(2){
  background: url(../img/index_17-min.png);
}
.m4_list li:nth-of-type(3){
  background: url(../img/index_21-min.png);
}
.m4_list li:nth-of-type(4){
  background: url(../img/index_23-min.png);
}
.m4_list li:nth-of-type(2n){
  margin-right: 0;
}