* {
    margin: 0;
    padding: 0;
}

.con {
    /* width: 1200px; */
    /* width: 120%; */
    /* height: 340px; */
    background: #010e2d;
    margin-top: 30px;
    padding-bottom: 324px;
    /* margin-left: 17px; */
}

.sh {
    height: 220px;
    text-align: center;
    margin-top: 67px;
}

.sh .tit {
    color: #ffffff;
    font-weight: bold;
    font-size: 28px;
}

.sh .if {
    color: #546277;
    font-size: 16px;
    margin-top: 10px;

}

.im {
    width: 60px;
    height: 60px;
    margin: 0 auto
}

.bimg {
    height: 100%;
    position: relative;
    bottom: 20px;
}

.daoh {
    /* width: 1200px; */
    margin-top: 30px;
    position: relative;
}

.daoh span {
    font-weight: bold;
    font-size: 30px;
    color: #010e2d;
    float: left;
    margin-left: 20px;
}

.daoh a {
    float: right;
    text-decoration: none;
    font-weight: normal;
    font-size: 16px;
    color: #696a6d;
}

.down {
    /* width: 1200px;
    height: 900px; */
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 20px
}

.down>div {
    /* width: 580px; */
    height: 421px;
    box-shadow: -4px 0px 14px 3px #999;
    margin-left: 19px;
    margin-bottom: 20px;
}

.down-child>div {
    /* width: 580px; */
    height: 340px;
    /* margin-left: -17px; */
}

.down-child>div>img {
    height: 100%;
    width: 100%;
}

.down-child a {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    width: 100%;
    font-size: 24px;
    margin-top: -6px;
    color: #666666;
    text-decoration: none;
}

.down-child a:hover {
    color: #f00;
}

.down-child {
    width: 550px;
    overflow: hidden;
}

#video_container img {
    width: 100%;
    margin-top: 21px;
}

@media screen and (max-width: 768px) {
    /* .con {
        padding-bottom: 420px;
    } */

    .sh .if {
        font-size: 13px;
    }
}

@media screen and (max-width: 480px) {
    .con {
        padding-bottom: 410px
    }

    .down>div {
        height: 293px;
    }

    .down-child>div {
        height: 218px;
    }

    .down-child a {
        font-size: 19px
    }

    .sh .tit {
        font-size: 15px;
    }

    .bimg {
        height: 84%;
        bottom: 4px;
        position: relative;
    }

    .daoh a {
        margin-top: 11px;
    }

    .ave {
        margin-top: 26px
    }
}