.main-bg{
    background:url(../img/about-bg.webp) no-repeat center;
    background-size: 100vw 100%;
}
.tab-img-div{
    padding-top: 2.6667vw;
    text-align: center;
}
.tab-img-div img{
    width: 89.8667vw;
    height: 23.7333vw;
}
.contact-item{
    color: black;
    margin-left: 8.2667vw;
}
.contact-item-title{
    display: flex;
    align-items: center;
}
.contact-item-title-icon{
    display: flex;
    align-items: center;
    justify-content: center;
}
.contact-item-title-icon img{
    width: 4.5333vw;
    height: 4.5333vw;
}
.contact-item-title-text{
    font-size: 4vw;
    font-weight: 700;
    margin-left: 2.1333vw;
}
.contact-up-bg{
    margin-top: -6vw;
}
.contact-up-bg img{
    width: 32.5333vw;
    height: 58.9333vw;
}
.contact-content{
    margin-top: -45vw;
}
.contact-top{
    margin-top: 5.3333vw;
}
.blue-contact{
    color: rgba(18, 55, 178, 1);
    font-weight: 600;
    font-size: 3.4667vw;
    margin-left: 9.3333vw;
    margin-top: 1.3333vw;
}
.contact-item-text{
    font-size: 3.4667vw;
    margin-left: 9.3333vw;
    margin-top: 1.3333vw;
}
.contact-bottom-bg{
    margin-top: -5vw;
    text-align: right;
}
.contact-bottom-bg img{
    width: 32.5333vw;
    height: 58.9333vw;
}