.positions{
    display: none;
}
.news-detail{
    padding-top: 0;
}

.detail{
    padding-top: 20px;
    padding-bottom: 40px;
}

.help img,.help div img,.help p img{
    max-width: 100%;
    display: block;
    margin: 20px auto;
    margin-bottom: 5px;
}

.help p{
    margin-top: 10px;
    font: 16px / 25px 微软雅黑;
}

/*响应*/
@media(max-width: 1380px){
    .main .help{
        width: 100%;
        padding: 0 20px;
    }
}