.head_bg {
    height: 80px;
    background: none;
}

.news_back {
    margin-top: 53px;
    margin-bottom: 45px;
}

.news_back img {
    width: 8px;
    height: 13px;
    vertical-align: middle;
}

.news_back a {
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #333333;
    line-height: 25px;
    margin-left: 10px;
    vertical-align: middle;
}

.news_detail_con {
    width: 890px;
    margin: 0 auto;
}

.news_detail_con h4 {
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #333333;
    line-height: 25px;
    margin-bottom: 54px;
    text-align: center;
}

.news_detail_con p {
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    line-height: 24px;
    margin-bottom: 20px;
}