.main1 .inner,
.main2 .inner {
    padding: 42px 0 23px;
}
.window {
    width: 100%;
    /* width: 1912px; */
    height: 650px;
    position: relative;
    overflow: hidden;
    margin-top: 165px;
}

.imgs {
    width: 400%;
    /* width: 7648px; */
    height: 650px;
    display: flex;
    position: absolute;
    left: 0;
    top: 0;
}

/* .imgs>li{
    float: left;
} */
.imgs>li img{
    width: 100%;
    /* width: 1912px; */
    height: 650px;
}




ul.points {
    position: absolute;
    text-align: center;
    -webkit-transition: opacity .3s;
    transition: opacity .3s;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    z-index: 10;
}
.points{
    right: 16%;
    bottom: 50px !important;
    left: inherit !important;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: auto !important;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
    z-index: 20;
}
.points li{
    cursor: pointer;
    position: relative;
    z-index: 99;
    width: 10px;
    height: 10px;
    background: #fff;
    opacity: .5;
    -webkit-transition: width .3s;
    transition: width .3s;
    width: 8px;
    height: 8px;
    display: inline-block;
    border-radius: 10px;
    margin-right: 8px;
}
.points li.on{
    width: 60px;
    opacity: 1;
}

.window .btn,.points{
    cursor: pointer;
}
.window .btn{
    top: 50%;
    width: 1400px;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    position: relative;
}
.window .btn>span {
    display: inline-block;
    width: 50px;
    height: 50px;
    background-color: rgba(0,0,0,.3);
    text-align: center;
    line-height: 50px;
    font-size: 30px;
    color: #fff;
    display: none;
    border-radius: 50%;
    padding-right: 3px;
    font-weight: 200;
} 
.window .btn>span:first-child{
    padding-right: 3px;
}
.window .btn>span:last-child{
    padding-left: 3px;
}

.window .btn>span :hover{
    background-color:rgba(0, 0, 0, 0.7);
}
.window:hover .btn>span {
    display: block;
}
@media screen and (max-width: 1440px) {
    .window .btn {
        width: 100%;
    }
    .window .btn>span:last-child{
        margin-right: 10px;
    }
    .imgs>li img,
    .imgs,
    .window{
        height: 620px;
    }
}
@media screen and (max-width: 1200px) {
    .imgs>li img,
    .imgs,
    .window {
        height: 450px;
    }
}
@media screen and (max-width: 1000px) {
    .imgs>li img,
    .imgs,
    .window {
        height: 400px;
    }
}
@media screen and (max-width: 640px) {
    .window{
        margin-top: 0px;
    }
    .imgs>li img,
    .imgs,
    .window {
        height: 300px;
    }
}