.swiper-container2 {
      width: 100%;
      height: 100%;
    }
    .swiper-slide2 {
      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;
    }
    .swiper-button-prev1, .swiper-button-next1 {
    position: inherit;
    margin-top: 150px;
    width: 40px;
    height: 76px;
   
    z-index: 10;
    cursor: pointer;
    background-size: 40px 76px;
    background-position: center;
    background-repeat: no-repeat;
}

.content-main{ position: relative; width: 900px; height: 411px;  margin-left: auto; margin-right: auto;  }
.content-btn{
    position: absolute;
    width:100px;
    height:411px;
    
    z-index:10;
    cursor: pointer;
}
.prev-btn{
    left:0;
    top:0;
    margin-left: -80px;
}
.next-btn{
    right:0;
    top:0;
    
}
.next-btn .btn-img{margin-left: 80px;}
.btn-img{
    opacity:0.8;
    display: block;
    position: absolute;
    left:0;
    top:50%;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
}
.list{
    width:800px;
    height:411px;
}
.list li{
    position: absolute;
    left:0;
    top:0;
    overflow: hidden;
    
}