.vwrap {
    display: none;
    z-index: 1040000;
    width: 100%;
    position: fixed;
}

.vwrap.on {
    display: block;
}
#s4 .swiper-slide .shipin{
width:80%;
margin:0 auto;
}
#mask {
    z-index: 900;
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background: #000;
    opacity: 0.8;
    overflow: hidden;
}

.video-bf {
    max-width: 1000px;
    width: 100%;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    z-index: 1000;
}

.img {
    position: relative;
    width: 100%;
    text-align: center;
    display: block;
    margin: 0 auto;
    border: 6px solid #2F8373;
}

.img .img_hezi {
    padding-bottom: 66.6665%;
    transition: .5s;
    background-size: cover!important;
    background-position: center!important;
    background-repeat: no-repeat!important;
}

.img .none {
    display: none !important;
}

#s4 .swiper-slide p{
    width: 80%;
}