.con {
    padding-top: 70px;
    border-top: 1px solid #e5e5e5;
}


.con .tab{
    display: flex;
    justify-content: center;
 
}
.con .tab a{
    margin-right: 120px;
    transition: all 0.2s linear;
    position: relative;
      padding-bottom: 14px;
}

.con .tab a:after{
    content: "";
    position: absolute;
    bottom: 0;
    width: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 2px;
    background: #e1252e;
    transition: all 0.2s linear ;
}
.con .tab a.on{
    font-weight: 600;
}
.con .tab a:hover:after,
.con .tab a.on:after{
    width: 30px;
}
.con .tab a:last-child{
    margin-right: 0;
}
.sec1 {
    display: flex;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 40px;
}

.con1-tit p {
    font-weight: 400;
}

.sec1-lf {
    margin-left: 2%;
    flex: 0 0 43.958%;
    margin-right: 6.11%;
}

.sec1-lf .sec1-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sec1 .con1-tit p {
    text-align: left;
}

.sec1 .con1-tit hr {
    margin-left: 0;
}

.sec1 .sec1-rg {
    flex: 1;
}

.sec1 .sec1-td {
    line-height: 1.636;
    color: #000;
    margin-top: 40px;
}

.sec1 .sec1-des {
    color: #7d7d7d;
    line-height: 2.25;
    margin-top: 20px;
}


.sec2 {
  
    padding-top: 40px;
    padding-bottom: 40px;
}

.sec2-img {
    width: 86.25%;
    margin: 40px auto 0;
}

.sec2-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sec3 {
      background-color: #f7f7f7;
    padding-top: 40px;
    padding-bottom: 40px;
}

.sec3 .sec3-img1 {
    width: 64.51%;
    margin: 40px auto 20px;
}

.sec3 .sec3-img2 {
    width: 89.51%;
    margin: 0 auto;
}

.sec3 img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@media screen and (max-width:768px) {
    .con .tab a{margin-right:auto}
    
.con{
    padding-top:40px;
}
    .sec1 {
        flex-wrap: wrap;
        padding-top: 40px;
        padding-bottom:40px;
    }

    .sec1-lf {
        margin-left: 0%;
        flex: 0 0 100%;
        margin-right: 0%;
        margin-bottom: 20px;
    }
    .sec1 .sec1-des,
.sec1 .sec1-td{
    margin-top: 20px;
}
.sec2{
    padding: 40px 0;
}

    .sec2-img {
        width: 100%;
        margin-top: 20px;
    }
.sec3{
    padding:40px 0;
}
.sec3 .sec3-img1{
    margin: 20px auto;
}
    .sec3 .sec3-img2,
    .sec3 .sec3-img1 {
        width: 100%;
    }

}