.clearfix:after {
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix {
    /* 为 IE6、IE7浏览器设置的清除浮动 */
    *zoom: 1;
}

.banner_con {
    width: 100%;
    height: 300px;
    background: url("banner.jpg") no-repeat;
    background-size: 100% 100%;
}

.jzxx {
    width: 1200px;
    margin: 0 auto;
}

.vido_list {
    margin-top: 40px;
    margin-bottom: 50px;
}

.vido_list ul li {
    float: left;
    width: 573px;
    height: 450px;
    /*border: 1px solid #115DB2;*/
}

.vido_list ul li .sp_con {
    width: 480px;
    height: 340px;
    border: 1px solid #115DB2;
    border-radius: 10px;
    margin: 10px auto 0;
    padding: 10px;
}

.sp_con video {
    width: 460px;
    height: 320px;
}

.sp_title {
    display: block;
    width: 480px;
    height: 50px;
    margin: 10px auto 0;
    font-family: MicrosoftYaHei;
    font-size: 24px;
    font-weight: normal;
    font-stretch: normal;
    color: #404040;
}

.sp_title:hover {
    color: #115DB2;
}

.fbjg {
    display: block;
    width: 480px;
    height: 50px;
    margin: 0 auto;
    color: #999999;
}

.fbjg_l {
    float: left;
    color: #999999;
}

.fbjg_r {
    float: right;
    color: #999999;
}

@media only screen and (max-width: 780px) {
    .banner_con {
        height: 100px;
    }

    .jzxx {
        width: 100%;
    }

    .vido_list ul li {
        float: left;
        width: 92%;
        margin-left: 4%;
        height: 450px;
        /*border: 1px solid #115DB2;*/
    }

    .vido_list ul li .sp_con {
        width: 100%;
    }

    .sp_con video {
        width: 100%;
    }

    .sp_title {
        width: 100%;
        font-size: 16px;

    }

    .fbjg {
        width: 100%;
    }

}