.collect-body {
    padding-top: 60px;
    background-color: #edeef3;
}

.collect-body .header {
    position: fixed;
    z-index: 999;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
}

.navbar {
    margin-top: 20px;
    background-color: #fff;
    padding: 10px 100px;
}

.navbar .active>.navbar-item{
    border: 1px solid #de3a31;
    background-color: #de3a31;
    opacity: .8;
    font-weight: 700;
    color: #fff;
}

.navbar .navbar-item {
    float: left;
    margin: 5px 10px;
    padding: 3px 10px;
    font-size: 12px;
    height: 26px;
    line-height: 26px;
    border-radius: 13px;
    border: 1px solid #ccc;
    user-select: none;
    cursor: pointer;
}

.lib {
    padding: 0 100px;
    margin-top: 20px;
}

.lib .title {
    height: 45px;
    line-height: 45px;
    background-color: #fff;
    font-size: 14px;
    font-weight: 700;
    color: #66687d;
}

.lib .title::before {
    content: '';
    display: inline-block;
    margin-right: 18px;
    vertical-align: text-top;
    width: 2px;
    height: 24px;
    background-color: red;
}

.lib .lib-content .item {
    position: relative;
    float: left;
    width: 300px;
    height: 130px;
    margin-top: 20px;
    margin-right: 20px;
    background-color: #fff;
    padding: 10px 14px;
    box-sizing: border-box;
}

.lib .lib-content .item .top .pic {
    width: 40px;
    height: 40px;
    vertical-align: top;
}

.lib .lib-content .item .top .item-name {
    height: 40px;
    line-height: 40px;
    font-size: 16px;
    color: #4d4f91;
}

.lib .lib-content .item .description {
    margin-top: 10px;
    line-height: 22px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.lib .lib-content .item .hot {
    position: absolute;
    top: 3px;
    right: 5px;
    font-size: 25px;
    color: orange;
}
footer{
    background-color: #fff;
    padding-bottom: 20px;
}
footer hr {
    border: none;
    border-bottom: 1px solid #eee;
    margin: 2em 0;
}
.beian,.banquan{
    text-align: center;
    margin-top: 15px;
    color: rgb(52, 73, 94);
    font-size: 15px;
    font-weight: 400;
}
.beian>a{
    text-decoration: none;
    color: rgb(52, 73, 94);
    font-size: 15px;
    font-weight: 400;
    cursor: pointer;
}

@media (max-width: 768px) {
    .lib{
        padding: 0 20px;
    }
    .navbar{
        padding: 10px 20px;
    }
}