.justtop_index_slong_box{
    width: 100%;
    height: 500px;
    display: block;
    position: relative;
    overflow: hidden;
    margin-top: 100px;
}

.justtop_index_slong_mask_box{
    width: 100%;
    position: absolute;
    top: 0;
    z-index: 3;
    left: 0;
    font-size: 0;
}
.justtop_index_slong_mask{
    width: 50%;
    display: inline-block;
    vertical-align: top;
    overflow: hidden;
    height: 300px;
    position:relative;
}
.justtop_index_slong_mask span{
    width: 2000px;
    height: 100%;
    display: block;
    position: absolute;
    top: -220px;
    background-color: #FFF;
}
.justtop_index_slong_mask:nth-child(1) span{
    left: -50%;
    transform: rotate(-11deg);
}

.justtop_index_slong_mask:nth-child(2) span{
    right: -50%;
    transform: rotate(11deg);
}
.justtop-index-img-box{
    width: 100%;
    display: block;
    height: 100%;
    position: relative;
}
.justtop-index-img{
    width: 100%;
    height: 120%;
    display: block;
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    transition: all .5s ease;
}
.justtop-index-img-mask-box{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
}
.justtop-index-img-mask{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #000;
    opacity: .6;
    z-index: 1;
}
.justtop-index-img-mask2{
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    background-repeat: repeat;
    background-size:100%;
    background-position: top;
    background-image: url(../img/front/slong-bg-mask.jpg);
    opacity: 0.3;
    z-index: 2;
}

.justtop-index-slong-box{
    width: 100%;
    height: 100%;
    position: relative;
    display:         flex;
     display: -webkit-flex;
          align-items: center;
    -webkit-align-items: center;
          justify-content: center;
    -webkit-justify-content: center;
    z-index: 4;
}
.justtop-index-slong{
    font-size: 30px;
    font-family: "Anton";
    color: #FFF;
    letter-spacing: 1px;
}
.justtop-index-slong span{
    display: inline-block;
    width: 50px;
    max-width: 100%;

}