body{
    background: url("../img/qydz.png") top center no-repeat;
}
.cust_tit{
    margin: 90px 0 120px 0;
    color: #ffffff;
    text-align: center;
}
.cust_tit b{
    font-size: 48px;
}
.cust_tit p{
    font-size: 18px;
    margin-top: 20px;
}
.cust_con{
    padding: 40px 60px 60px 60px;
    background-color: #ffffff;
    box-shadow: 0 4px 10px 0 #ebeffc;
    border-radius: 4px;
}
.cust_con_t{
    padding-bottom: 20px;
    font-size: 30px;
    font-weight: bold;
    border-bottom: 1px solid rgba(55, 69, 103, 0.1);
    margin-bottom: 30px;
}
.cust_con_c{
    width: 80%;
    margin: 0 auto;
}
.cust_con_c li{
    margin-bottom: 30px;
}
.cust_con_c li > b{
    display: inline-block;
    font-weight: bold;
    width: 120px;
    line-height: 40px;
    vertical-align: middle;
}
.cust_con_c li > a{
    display: inline-block;
    height: 40px;
    width: 120px;
    line-height: 40px;
    background-color: #ffffff;
    border-radius: 4px;
    border: solid 1px #e6e8f3;
    margin-right: 10px;
}
.cust_con_c li > a.active{
    background-color: #f7f8fc;
    border: solid 1px #d9ddec;
    color: #3861f4;
}
.cust_con_c li > input[type='text']{
    width: 640px;
    height: 40px;
    background-color: #ffffff;
    border-radius: 4px;
    border: solid 1px #e6e8f3;
    padding: 0 15px;
}
.cust_con_c li > textarea{
    width: 640px;
    height: 120px;
    background-color: #ffffff;
    border-radius: 4px;
    border: solid 1px #e6e8f3;
    padding: 10px 15px;
    vertical-align: top;
}
.cust_con_btn{
    display: block;
    width: 208px;
    height: 50px;
    background-image: linear-gradient(90deg,
    #5f87f8 0%,
    #3860f4 100%);
    border-radius: 4px;
    color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    margin: 40px auto;
    cursor: pointer;
}