@charset "UTF-8";



body{
    background-color: #fff;
}
section{
    width: 1440px;
    margin: 3.5% auto;
    display: flex;
    justify-content: flex-start;
    flex-flow: column nowrap;
    text-transform: none;
}
section ul{
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-flow: row wrap;
}
section ul li{
    width: 48%;
    box-shadow: 0 0 13px rgba(0,0,0,.2);
    text-align: center;
    margin: 40px 0;
}
section ul li div{
    position: relative;
}
section ul li img{
    display: block;
    width: 100%;
    cursor: pointer;
}
section ul li div div{
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
section ul li div div:hover{
    background-color: rgba(0,0,0,.5);
}
section ul li div div img{
    width: 20%;
}
section ul li p{
    padding: 1.7em 0;
}

.video{
    position: fixed;
    top: 0;
    left: 0;
    /*-webkit-transform: translateY(-50%) translateX(-50%);*/
    /*-moz-transform: translateY(-50%) translateX(-50%);*/
    /*-ms-transform: translateY(-50%) translateX(-50%);*/
    /*-o-transform: translateY(-50%) translateX(-50%);*/
    /*transform: translateY(-50%) translateX(-50%);*/
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,.5);
    /*display: block;*/
    z-index: -10;
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.video>video{
    display: none;
    height: 95%;
}
@media screen and (max-width: 440px) {
    .video>video{
        width: 100%;
        height: auto;
    }
}


/*媒体查询 ------------------ 媒体查询 ------------------ 媒体查询 ------------------*/
@media screen and (max-width: 1500px) {
    .f24{font-size: 18px;}
    .f48{font-size: 36px;}
    section{
        width: 1080px;
    }
}
@media screen and (max-width: 1150px) {
    .f24{font-size: 16px;}
    .f48{font-size: 28px;}
    section{
        width: 800px;
    }
}
@media screen and (max-width: 850px) {
    .f24{font-size: 14px;}
    .f48{font-size: 24px;}
    section{
        width: 650px;
    }
}
@media screen and (max-width: 440px) {
    .f24{font-size: 0.24rem;}
    .f28{font-size: 0.28rem;}
    .f48{font-size: 0.36rem;}
    section{
        width: 85%;
        margin: 3.5% auto 10%;
    }
    section ul li{
        width: 100%;
        margin: 40px 0 0;
    }
}