.row-a1 {
  padding: 50px 0;
}

.row-a1 .con {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
}

.row-a1 .con>.left {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  width: 110px;
}

.row-a1 .con .left .progress {
  width: 2px;
  height: 160px;
  position: relative;
  background-color: #aabff3;
}

.row-a1 .con .left .progress .num {
  position: absolute;
  width: 2px;
  height: 40px;
  top: 25%;
  left: 50%;
  transform: translate(-50%, -40px);
  background-color: #3957ff;
  transition: all .3s;
}

.row-a1 .con .left .tab_navs {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.row-a1 .con .left .tab_navs .li {
  height: 45px;
  line-height: 45px;
}

.row-a1 .con .left .tab_navs .li.current {
  color: #4561ff;
}

.row-a1 .con .right .tab_cons .item {
  display: none;
}

.row-a1 .item .a1 {
  width: 1090px;
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  align-items: center;
  padding: 0 50px;
}

.row-a1 .item .a1 .left {
  display: flex;
  flex-direction: column;
}

.row-a1 .item .a1 .left .title {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 20px;
  position: relative;
}

.row-a1 .item .a1 .left .title span {
  font-size: 30px;
  display: inline-block;
  margin-left: 50px;
  position: relative;
}

.row-a1 .item .a1 .left .title span:after {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  background: #1baaeb;
  left: 0;
  bottom: -20px;
  position: absolute;
}

.row-a1 .item .a1 .left .txt {
  padding-left: 86px;
  margin-bottom: 10px;
  font-size: 16px;
}

.row-a1 .item .a1 .left .desc {
  padding-left: 86px;
  color: #a1a1a1;
}

.row-a1 .item .a1 .right .list {
  display: flex;
  flex-direction: column;
  margin-top: 0px;
}

.row-a1 .item .a1 .right .list .li {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 10px;
}

.row-a1 .item .a1 .right .list .li .txt1 {
  font-size: 16px;
  color: #a1a1a1;
  margin-right: 20px;
}

.row-a1 .item .a1 .right .list .li .txt2 {
  font-weight: 700;
}

.row-a2 {
  padding: 50px 0;
  background: #f3f3f5;
}

.row-a2 .con {
  display: flex;
  flex-direction: column;
  align-items: center;
}

    .row-a2 .con {
      padding-left:150px;
    }
    .row-a3 .con {
        padding-left: 150px;
    }
    .row-a4 .con {
        padding-left: 150px;
    }

.row-a2 .con .title {
  font-size: 30px;
  margin-bottom: 50px;
}

.row-a2 .con .list {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.row-a2 .con .list .li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 500px;
  border-bottom: solid 1px #e4e4e5;
  padding: 20px 0;
}

.row-a2 .con .list .li .tit {
  margin-bottom: 10px;
  font-weight: 700;
  font-size: 18px;
}


.row-a3 {
  padding: 50px 0;
}

.row-a3 .con {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}

    .row-a3 .con .left {
        display: flex;
        flex-direction: column;
        width: 40%;
        position: relative;
        bottom: 49px;
    }

.row-a3 .con .right {
  display: flex;
  flex-direction: column;
  width: 40%;
}

.desc {
    line-height: 26px;
}

.row-a3 .con .left .tit {
  font-size: 20px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  position: relative;
}

.row-a3 .con .left .tit:after {
  content: "";
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  width: 60px;
  height: 2px;
  background: #28afec;
}

.row-a4 {
    padding: 40px 0;
    background: url(../images/bgpic004.png);
}

.row-a4 .con {
  display: flex;
  flex-direction: row;
  align-items: center;
}

    .row-a4 .con .left {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 46%;
        font-size:20px;
    }

    .row-a4 .con .right .list {
        font-size: 16px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
    }
    .row-a4 .title {
        font-size: 30px;
       margin-bottom: 20px; 
    }
.row-a3 .title {
    text-align: center;
    font-size: 30px;
    margin-bottom: 50px;
    padding-left: 150px;
}

.row-a4 .con .right .list .li {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 20px;
}