body {
    background: #f7f7f5;
}
.main {
    margin-top: 45px;
    padding-bottom: 60px;
}
img {
    width: 100%;
}
/* 视频列表 */
.vieBox {
    padding-top: 40px;
}
.vieBox li {
    float: left;
    width: 23.9%;
    margin-right: 20px;
    border: 1px solid #e6e6e6;
    background: #fff;
    margin-bottom: 20px;
    cursor: pointer;
}
.vieBox li:nth-of-type(4n) {
    margin-right: 0;
}
.vieBox li:nth-of-type(4n+1) {
    clear: both;
}
.vieBox li p {
    width: 100%;
    height: 55px;
    padding: 0 25px;
    line-height: 55px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
/* 遮罩层 */
.popBox {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 99;
    display: none;
}
.popBox .innerBox {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
}
@media only screen and (min-width:0px) and (max-width:768px) {
    /*    .vieBox li {width: 100%; margin-right: 0!important; }*/
    .popBox .innerBox {
        width: 100%;
        top: 40%;
        transform: translateX(-50%) translateY(-50%);
        -webkit-transform: translateX(-50%) translateY(-50%);
        -moz-transform: translateX(-50%) translateY(-50%);
        -o-transform: translateX(-50%) translateY(-50%);
        -ms-transform: translateX(-50%) translateY(-50%);
    }
    .popBox .innerBox iframe {
        width: 100% !important;
        height: 300px;
    }
}
@media only screen and (min-width:0px) and (max-width:1280px) {
    .vieBox li {
        width: 48%;
        margin-right: 4%;
    }
    .vieBox li:nth-of-type(2n) {
        margin-right: 0;
    }
    .vieBox li:nth-of-type(2n+1) {
        clear: both;
    }
}
@media only screen and (min-width:1281px) and (max-width: 1366px) {
    .vieBox li {
        width: 23.7%;
    }
}
@media only screen and (min-width:1367px) and (max-width: 1440px) {
    .vieBox li {
        width: 23.8%;
    }
}
@media only screen and (min-width:1441px) and (max-width: 1920px) {}
.flex-direction-nav {
    display: none;
}