#banner{
    height: 557px;
    position:relative;
    z-index:1;
    top: -138px;
}
.swiper-container {
        width: 1920px;
        height: 695px;
       left: 50%;
        margin-left:-960px;
    }
    .swiper-slide {
        text-align: center;
        font-size: 18px;
        background: #fff;
        
        /* Center slide text vertically */
        display: -webkit-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        -webkit-justify-content: center;
        justify-content: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        -webkit-align-items: center;
        align-items: center;
    }