.banner {
    width: 100%;
}

.banner img {
    display: block;
    width: 100%;
    object-fit: cover;
    min-height: 21.875rem;

}

.news_detail .tit{
    font-size: 2rem;
    line-height: 2.625rem;
    text-align: center;
    margin-top: 2.5rem;
}
.news_detail .info{
    font-size: .875rem;
    line-height: 1.875rem;
    display: flex;
    justify-content: center;
    padding: .625rem 0 1.875rem;
    border-bottom: 1px solid #E5E5E5;
    margin-bottom: 1.875rem;
}
.news_detail .info span{
    font-size: .875rem;
    line-height: 1.25rem;
    color: #999999;
    margin: 0 1.25rem;
}
.news_detail .con{
    font-size: 1rem;
    line-height: 1.875rem;
    padding-bottom: 3.125rem;
    border-bottom: 1px solid #E5E5E5;
}
.news_detail .prev_next{
    display: flex;
    justify-content: space-between;
    padding: 1.875rem 0;
}
.news_detail .prev_next a{
    font-size: 1rem;
    line-height: 1.875rem;
    color: #666666;
}
.news_detail .prev_next a:hover{
    color: #0154A4;
}
.news_detail .back{
    width: 10rem;
    height: 2.5rem;
    border: 1px solid #0154A4;
    border-radius: 1.25rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    color: #0154A4;
    margin-bottom: 5rem;
}
.news_detail .back span{
    margin-right: .625rem;
}
.news_detail .back:hover{
    background: #0154A4;
    color: #ffffff;
}


@media (max-width: 768px) {
    .banner img{
        min-height: 12.5rem;
    }

    .news_detail .tit{
        font-size: 1.25rem;
        line-height: 1.8;
    }
    .news_detail .info span{
        margin: 0 .3125rem;
    }
    .news_detail .con{
        font-size: .875rem;
        line-height: 1.8;
    }
    .news_detail .prev_next{
        flex-direction: column;
    }
}