.banner{
    width: 100%;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}
.banner ul{
    position: absolute;
}
.banner ul li{
    width: 100%;
    height: 352px;
    float: left;
    background:  no-repeat center center;
}
.banner i{
    width: 58px;
    height: 120px;
    position: absolute;
    top: 50%;
    margin-top: -60px;
    cursor: pointer;
    border-radius: 5px;
    display: none;
}
.banner .left{
    left: 60px;
    background: url('/statics_new/image/banner/left_right.png') no-repeat 0 0px;
}
.banner .right{
    right: 60px;
    background: url('/statics_new/image/banner/left_right.png') no-repeat 0px -120px;
}
.banner .left:hover , .banner .right:hover{
    background-color: rgba(0, 0, 0, 0.31);
}
@media only screen and (max-width:992px) {
    .banner ul li{background-size: auto 150px;height: 150px;}
}