.part1 .video {
    width: 790px;
    height: 444px;
    margin: 80px auto 36px;
}
.part1 .video>.video-js{
    width: 100%;
    height: 100%;
}
body{
    position: relative;
}

#productVideo{
    width: 860px;
    height: 500px;
    padding: 2px;
    background: #fff;
    position: fixed;
    left:50%;
    top:50%;
    margin-left: -430px;
    margin-top: -250px;
    z-index: 100;
    display: none;
}
#productVideo>img{
    position: absolute;
    right:-12px;
    top:-12px;
    z-index: 105;
    width: 36px;
    cursor: pointer;
}
#productVideo>.video-js{
    width: 100%;
    height: 100%;
}
#productVideo  .video>.video-js {
    width: 100%;
    height: 100%;
}
.part1{
    /* overflow: hidden; */
    border-bottom: 1px solid #004ea2;
}
.part1>h3,.part1>p{
    text-align: center;
}
.part1>img{
    display: block;
    margin: 130px auto 48px;
}
.part1>p>img{
    display: block;
    margin: 130px auto 48px;
}
.part1>h3{
    font-size: 36px;
    color: #555;
    margin-bottom: 24px;
}
.part1>h4{
    text-align: center;
    font-size: 30px;
    color: #555;
}
.part1>p{
    color: #999;
    font-size: 17px;
    line-height: 30px;
}
.part1Content{
    overflow: hidden;
    width: 1200px;
    margin: 0 auto;
    padding-top: 150px;

}
.part1Content>div:first-child{
    float: left;
}
.part1Content>div:first-child>h3{
    width: 650px;
    font-size: 30px;
    color: #555;
}
.part1Content>div:first-child>h3:nth-child(3){
    margin-bottom: 36px;
}
.part1Content>div:first-child>p{
    font-size: 17px;
    color: #999;
    line-height: 34px;
}
.part1Content>div:last-child{
    float: right;
    margin-top: -24px;
    width: 300px;margin-right: 120px;
}
.part1Content>div:last-child>img{
    display: block;
    width: 100%;
}
.part2{
    height: 220px;
    background: url("../images/bg1.jpg") no-repeat center;
    background-size: cover;
    line-height: 220px;
    text-align: center;
}
.part2>img{
    display: inline-block;
    position: relative;
    top:28px;
    margin-right: 26px;
    cursor: pointer;
}
.part2>span{
    display: inline-block;
    height: 50px;
    border: 3px solid #fff;
    line-height: 44px;
    text-align: center;
    color: #fff;
    padding: 0 54px;
    border-radius: 25px;
    cursor: pointer;
}
.part2>span:hover{
    color: #666;
    background: #fff;
    opacity: .6;
}
.part3{
    height: 609px;
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}
.part3>div:first-child{
    width: 430px;
    float: left;
    margin-top: 100px;
}
.part3>div:first-child>img{
    display: block;
    width: 100%;
}
.part3>.part3-2{
    float: right;
    width: 660px;
    margin-right: 100px;
    font-size: 17px;
    color: #999;
    line-height: 48px;
    margin-top: 200px;
}
.mask{
    position: fixed;
    z-index: 99;
    left:0;
    right:0;
    top:0;
    bottom:0;
    background: #000;
    opacity: .6;
    display: none;
}
.part4{
    border-top: 1px solid #004ea2;
    padding-top: 120px;
    margin-bottom: 100px;
}
.p4-content{
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}
.part4-swiper{
    width: 1200px;
    overflow: hidden;
}
.part4-swiper img{
    width: 100%;
}
.part1 .animated {
    -webkit-animation-duration: 1.6s;
    animation-duration: 1.6s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}
.part4-swiper .swiper-slide{
    width: 100%;
}
.pagination {
    position: absolute;
    z-index: 20;
    bottom: 10px;
    width: 100%;
    text-align: center;
}
.swiper-pagination-switch {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 12px;
    background: #fff;
    margin: 0 5px;
    cursor: pointer;
}
.swiper-active-switch {
    background: #004ea2;
}
.p4-right{
    text-align: center;
}
.part5{
    width: 1200px;
    margin: 36px auto 0;
    overflow: hidden;
    padding-top: 24px;
}
.p5-part{
    width: 28%;
    text-align: center;
    cursor: pointer;
    margin: 0;
}
.p5-part2{
    margin: 0 8%;
}
.p5-logo>img{
    width: 40%;
    margin: 0 auto;
    transition: all .3s;
}
.p5-logo>p{
    width: 68px;
    height: 5px;
    background: #3a639b;
    margin: 24px auto 0;
}
.p5-logo>span{
    display: block;
    font-size: 30px;
    font-weight: bold;
    color: #3a639b;
}
.part3-2>p{
    font-size: 30px;
    font-weight: bold;
    color: #666;
    margin-bottom: 24px;
}
.p5-part>div:nth-child(2){
    width: 80%;
    margin: 20px auto 0;
    overflow: hidden;
    transition: all .3s;
    position: relative;
    top:100px;
}
.p5-part>div:nth-child(2) img{
    width: 100%;
    cursor: pointer;
}
.p4-h{
    font-size: 35px;
    line-height: 44px;
    font-weight: bold;
    color: #555555;
}
.p4-t1{
    margin-top: 46px;
}
.p4-t2{
    margin-bottom: 80px;
}
.p4-t{
    font-size: 22px;
    line-height: 30px;
    color: #555555;
}
@media (max-width: 640px) {
    .part1 {
        padding: 0 12px;
    }
    .part1 .video {
        width:100%;
        height: 240px;
        margin: 50px auto 36px;
    }
    #productVideo .video {
        width: 100%;
        height: 250px;
        margin: 50px auto 24px;
    }

    .part1 > h3 {
        font-size: 24px;
        color: #555;
        margin-bottom: 12px;
    }
    .part1>p>img{
        width: 100%;
    }
    .part1 > p {
        color: #555;
        font-size: 18px;
        line-height: 30px;
    }
    .part1>img {
        display: block;
        width: 80%;
        margin: 60px auto 36px;
    }
    .part2 {
        margin-top: 24px;
    }
    .part1>h4 {
        text-align: left;
        font-size: 24px;
        color: #555;
    }
    .part1Content {
        overflow: hidden;
        width: 100%;
        padding-top: 36px;
        height: auto;
    }
    .part1Content>div:first-child>h3 {
        width: 100%;
        font-size: 24px;
    }
    .part1Content>div:first-child>p {
        font-size: 18px;
        color: #555;
        line-height: 30px;
    }
    .part1Content>div:last-child {
        float: right;
        width: 80% !important;
        margin-top: 12px;
        margin-right: 10%;
    }
    #productVideo {
        width: 96%;
        height: 250px;
        padding: 0;
        background: #fff;
        position: fixed;
        left: 2%;
        top: 30%;
        margin-left: 0;
        margin-top: 0;
        z-index: 100;
        display: none;
    }
    .part3 {
        height: auto;
        width: 100%;
        overflow: hidden;
    }
    .part3>div:first-child {
        width: 80%;
        float: left;
        margin-left: 10%;
        margin-top: 12px;
        overflow: hidden;
    }
    .p5-part>div:nth-child(2){
        top:0;
        margin-bottom: 48px;
    }
    .part3>.part3-2 {
        float: right;
        width: 100%;
        margin-right: 0;
        font-size: 18px;
        color: #555;
        line-height: 30px;
        margin-top: 0;
        padding: 0 12px;
    }
    .p5-part:nth-child(2){
        margin:0;
    }
    .p4-h {
        font-size: 24px;
        line-height: 36px;
    }
    .p4-t {
        font-size: 18px;
        line-height: 30px;
    }
    .p4-content {
        width: 100%;
        padding: 0 12px;
        overflow: hidden;
    }
    .part4-swiper {
        width: 100%;
        height: auto;
    }
    .p4-right {
        margin-left: 0;
        width: 100%;
        font-size: 16px;
        line-height: 24px;
    }
    .p4-right>p{
        margin-top: 12px;
    }
    .part4 {
        border-top: 1px solid #004ea2;
        padding-top: 60px;
        margin-bottom: 60px;
    }
    .p4-right>p:nth-child(2) {
        margin-top: 12px;
    }
    .part5 {
        width: 100%;
        padding: 0 12px;
        padding-top: 24px;
    }
    .p5-part {
        width: 100%;
        text-align: center;
        cursor: pointer;
        margin-bottom: 48px;
    }
}