.centerbg{
    height: 643px;
    width: 100%;
}
.centerbg img{
    display: block;
    width: 1420px;
    height: 518px;
    margin: 0 auto;
    margin-top: 40px;
}
.swiper{
    width: 100%;
    height: 350px;
    overflow: hidden;
    position: relative;
}
.pic{
    width: 100%;
    height: 350px;
}
.navbarbody a {
  color:#fff;
}
.navbarbody a::after {
    color: #fff;
    padding:0rem 0.5rem;
    content:">"
}