html body{
    line-height: 1.8;
}
body{
    font-size: 1em;
}
.container1{
    margin: 0 auto;
    position: relative;
    width: auto;
}
main .sec-1{
    width: 100%;
    height: 16rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url(../images/bg_contact.png) no-repeat;
    background-size: 100% 100%;
}
main .sec-1 h2{
    font-size: 1.8rem;
    color: #fff;
    text-align: center;
    font-weight: bold;
}
main .sec-2{
    margin-top: 5rem;
    height: 35rem;
    opacity: 1;
    display: flex;
    border: 1px solid #DBE9FB;
}
main .sec-2 aside{
    width: 50%;
    height: 100%;
}
main .sec-2 aside.lf{
    background: #F7F7F7;
    border: 1px solid #DBE9FB;
}
main .sec-2 aside.lf img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
main .sec-2 aside.rt ul{
    height: 100%;
}
main .sec-2 aside.rt ul li{
    height: 50%;
    cursor: pointer;
}
main .sec-2 aside.rt ul li.active{
    background: #DBE9FB;
}
main .sec-2 aside.rt ul li dl {
    height: 100%;
    padding-left: 3.5rem;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
main .sec-2 aside.rt ul li dl dt{
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}
main .sec-2 aside.rt ul li dl dt img{
    margin-right: .5rem;
    width: 1.18rem;
}
main .sec-2 aside.rt ul li dl dd{
    font-size: 1.125rem;
    color: #7F7F7F;
    padding-left: 1.68rem;
    box-sizing: border-box;
}
main .sec-2 aside.rt ul li dl dd span{
    display: inline-block;
    width: 4rem;
}
main .sec-3{
    margin-top: 5rem;
    background: #EFF1F7;
    opacity: 1;
    padding: 4rem 0 5rem;
    box-sizing: border-box;
}
main .sec-3 .card-content{
    width: 100%;
    margin-top: 3rem;
}
main .sec-3 .card-content div{
    display: flex;
    justify-content: space-between;
}
main .sec-3 .card-content div:not(:last-child) input{
    width: 45%;
    height: 3rem;
    padding-left: 1rem;
    line-height: 3rem;
    margin-bottom: 1rem;
}
main .sec-3 .card-content div textarea{
    width: 100%;
    border: none;
    padding: 1rem;
}
main .sec-3 .card-btn{
    cursor: pointer;
    margin: 2rem auto 0;
    font-size: 1rem;
    color: #ffffff;
    width: 11rem;
    text-align: center;
    height: 2.8rem;
    line-height: 2.8rem;
    background: #2737AB;
    border-radius: 2rem;
}
main .sec-3 .card-btn a{
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    color: #ffffff;
}
main .sec-3 .card-btn a span{
    display: block;
    width: 100%;
    height: 100%;
    z-index: 3;
    position: relative;
}
main .sec-3 .card-btn a::before{
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    background: rgba(0,0,0,.5);
    width: 0;
    height: 100%;
    transition: all 0.5s ease 0.2s;
    border-radius: 2.5rem;
}
main .sec-3 .card-btn a:hover::before{
    width: 100%;
}