* {
    padding: 0;
    margin: 0;
}

body {
    font-family: "微软雅黑";
    background-color: #f2f2f2;
}

img {
    border: none;
    outline: none;
}

.container {
    width: 1100px;
    margin: 30px auto;
    color: #585858;
}

    .container .head {
        margin-bottom: 28px;
        height: 40px;
        line-height: 40px;
        font-size: 30px;
    }

        .container .head img {
            margin-top: -6px;
            margin-right: 14px;
            vertical-align: middle;
        }

.common {
    border-right: 1px solid #e6e6e6;
    border-left: 1px solid #e6e6e6;
    padding: 0px 10px 0px 10px;
    line-height: 50px;
    float: left;
}

    .common div {
        float: left;
    }

    .common .name1 {
        width: 80px;
        font-size: 16px;
        color: #4d4d4d;
    }

        .common .name1 img {
            vertical-align: middle;
            padding-right: 5px;
        }

    .common div a {
        border: 1px solid transparent;
        font-size: 14px;
        color: #4d4d4d;
        padding: 6px 8px 6px 9px;
    }

        .common div a:hover, .inddens a:hover {
            border: 1px solid #609de8;
            border-radius: 5px;
        }

        .common div a.checked {
            color: #FFF;
            background: #6fadf7;
            border: 1px solid #609de8;
            border-radius: 5px;
        }

        .allclassify {
    border-top: 1px solid #e6e6e6;
    border-bottom: 1px solid #e6e6e6;
    width: 1038px; /*添加*/
    clear:both;
}

/*直播视频列表*/
.main {
    /*float: left;*/
    margin-right: 40px;
}

.playinga {
    color: #585858;
}

.playing {
    float: left;
    width: 340px;
    margin-bottom: 42px;
    position: relative;
    cursor: pointer;
}

    .playing:nth-child(3n+2) {
        margin-left: 20px;
        margin-right: 20px;
    }

.playingtop {
    height: 230px;
    position: relative;
}

.thumbnail {
    width: 340px;
    height: 230px;
}

.play {
    position: absolute;
    top: 85px;
    left: 140px;
    opacity: 0.3;
    -webkit-transition: 0.2s;
    -moz-transition: 0.2s;
    transition: 0.2s;
}

.infor {
    position: absolute;
    bottom: 0;
    width: 340px;
    height: 56px;
    line-height: 56px;
    background: rgba(0,0,0,0.8);
    text-align: center;
    font-size: 14px;
    color: #fff;
}

.num {
    color: #ff0000;
}

.pep-num {
    position: absolute;
    right: 10px;
    bottom: 0px;
}

    .pep-num img {
        margin-right: 5px;
        vertical-align: sub;
    }

.playing:hover .play {
    opacity: 1.0;
}

.playingbottom {
    /*height:70px;*/
    background-color: #fff;
}

.name, .play-time {
    padding-top: 8px;
    font-size: 14px;
}

.playingbottom .name {
    float: left;
    margin-left: 80px;
}

.play-time {
    float: right;
    margin-right: 10px;
    font-size: 14px;
    color: #585858;
}

    .play-time img {
        margin-right: 8px;
        vertical-align: sub;
    }

.touxiang {
    display: block;
    position: absolute;
    top: 194px;
    left: 8px;
    width: 70px;
    height: 70px;
    border-radius: 35px;
}

.coursename {
    margin-left: 12px;
    margin-top: 14px;
    padding-bottom: 10px;
    font-size: 14px;
}

.info {
    display: none;
    margin: 0 12px;
    padding-bottom: 30px;
    text-align: justify;
    font-size: 14px;
}