.companyNav .item:nth-child(2) .line{
    display: block;
}
/*banner开始*/
.banner{
    height: 5.81rem;
    margin-top: 0.52rem;
}
.banner img{
    width: 100%;
    height: 5.81rem;
}
/*main开始*/
.main {
    margin-top: 0.82rem;
}
.main h1{
    font-size: 0.42rem;
    padding: 0 0.31rem;
}
.main p{
    font-size: 0.32rem;
    margin-top: 0.15rem;
    letter-spacing: 3px;
    line-height: 0.52rem;
    text-align: justify;
    padding: 0 0.31rem;
}
.main img{
    width: 100%;
}
.main .img2{
    height: 9.1rem;
}
.main .img3{
    height: 9.1rem;
}
.main .img4{
    height: 11rem;
}