.main > .container {
    padding: 20px;
    background: #fff;
}
/* 导航 */
.crumbs {
    font-size: 16px;
    padding-bottom: 18px;
}
.details {
    padding: 21px 30px;
}
.nav {
    height: 40px;
    line-height: 40px;
    background: #f2f2f2;
}
.nav span {
    display: block;
    width: 174px;
    height: 100%;
    text-align: center;
    font-size: 20px;
    background: #2778bd;
    color: #fff;
}
.list-li {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.list-li li {
    width: 232px;
    height: 315px;
    margin-top: 35px;
    background: url(../images/zfgkgzbg/bookbg.png) no-repeat;
position:relative;
}
.list-li li div.btm{
position:absolute;
bottom: 45px;
width:100%;
}
.list-li li h3 {
    color: #e70012;
    font-size: 20px;
    text-align: center;
margin-bottom:10px;
}
.list-li li p {
    color: #e70012;
    font-size: 15px;
    text-align: center;
    margin-bottom: 50px;
}
.list-li li h4,
.list-li li span {
    display: block;
    color: #e70012;
    font-size: 16px;
    text-align: center;
}
.list-li li img{margin: 21px 0 15px;}
@media screen and (max-width: 768px) {
    .main > .container {
        width: 100%;
        padding: 10px;
    }
    .none {
        display: none;
    }
    .details {
        padding: 10px;
    }
    .list-li li {
        margin: 15px auto 0;
    }
}