/* 图书分类栏 */
.second_headernav .catalog {
    cursor: pointer;
    position: relative;
    overflow: unset;
}

.catalog {
    position: relative;
}

#nav_collapsibe {
    display: none;
    z-index: 1010;
}

.catalog.collapsible {
    position: absolute;
    left: 0;
    right: 0;
    top: 30px;
}

.catalog.collapsible .item .subcatalog {
    font-weight: normal;
}

nav.catalog .item {
    font-size: 1rem;
    padding: 0.5rem 0.75rem;
    position: relative;
}

nav.catalog .item:nth-child(even) {
    background: #F6F6F6;
}

nav.catalog .item:nth-child(odd) {
    background: #E9E7E6;
}

nav.catalog .item .title {
    font-size: 14px;
    font-weight: bold;
}

nav.catalog .subcatalog {
    font-size: 12px;
    display: inline-block;
}

nav.catalog .subcatalog:hover {
    text-decoration: underline;
}

nav.catalog .subcatalog::after {
    content: "|";
    color: #777;
    padding: 0 0.2rem;
}

nav.catalog .subcatalog:last-child:after {
    content: none;
}

.home .catalog {
    box-sizing: border-box;
}

.home .catalog .item {
    padding: 16px 4px 16px 18px;
}


.home .content {
    flex: 1;
    padding: 32px 12px 12px 32px;
}

.book_list {
    padding-top: 25px;
}

.book_list .book {
    display: block;
    width: 300px;
    float: left;
    margin-bottom: 39px;
}

.book_list .book .bookcover {
    position: relative;
    z-index: -1;
    position: relative;
    float: left;
    /* width: 114px; */
    height: 162px;
    padding: 10px 10px 20px;
}

.book_list .book .bookcover img {
    width: 114px;
    height: 162px;
}

.book_list .book .bookinfo {
    float: left;
    width: 143px;
    height: 162px;
    padding: 10px 0;
}

.book_list .book .bookinfo .title {
    height: 40px;
    overflow: hidden;
}

.book_list .book .bookinfo .title {
    font-weight: 700;
    line-height: 20px;
}

.book_list .book .bookinfo .title {
    font-size: 14px;
    line-height: 18px;
    height: 36px;
    overflow: hidden;
    word-break: break-all;
    word-wrap: break-word;
}

.book_list .book .bookinfo .author {
    padding-top: 5px;
    padding-bottom: 12px;
    height: 24px;
    overflow: hidden;
    word-wrap: normal;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 12px;
    line-height: 22px;
    color: #666;
}

.book_list .book .bookinfo .startie {
    overflow: hidden;
    zoom: 1;
    padding-top: 10px;
}

.book_list .book .bookinfo .price {
    font-size: 12px;
    padding: 5px 0;
    color: #ccc;
}

.book_list .book .bookinfo .des {
    line-height: 20px;
    height: 44px;
    overflow: hidden;
    padding-top: 6px;
    font-size: 12px;
    color: #666;
    text-overflow: ellipsis;
    word-break: break-all;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

/* 特价 */
.book_list .book img.promotion_label {
    position: absolute;
    right: 0;
    top: -10px;
    height: auto;
    width: 47px;
}

.book_list .book .bookinfo .price span.now {
    color: #ed3e01;
    padding-left: 0;
    text-decoration: none;
}

.filter {
    border-bottom: 2px #eee solid;
}

.filter>li {
    display: inline-block;
    margin: 0;
}

.filter>li>a {
    display: inline-block;
    padding: 0 16px 8px;
    border-bottom: 3px transparent solid;
    /* transition: all.2s; */
}

.filter>li>a.current,
.filter>li>a:hover {
    border-bottom: 3px var(--primaryColor) solid;
    color: var(--primaryColor);
    text-decoration: none;
    font-weight: bold;
}

/* 左侧全部分类导航 */
.full_catalog {
    background: #F7F8FA;
    width: 200px;
    margin-right: 30px;
    margin-top: 30px;
}

.full_catalog .head {
    font-weight: bold;
    font-size: 16px;
    text-align: center;
    padding: 8px 0;
}

.full_catalog .card-header {
    border: none;
    padding: 0;
}

.full_catalog .card {
    border: none;
    background-color: transparent;
}

.full_catalog .card-body {
    padding: 0;
}

.full_catalog .card-body nav li {
    display: block;
    padding: 8px 0;
    padding-left: 24px;
    cursor: pointer;
    position: relative;
}

.full_catalog .card-body nav li.current {
    color: var(--primaryColor);
}

.full_catalog .card-body nav li.current::after {
    content: '';
    position: absolute;
    right: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    background: var(--primaryColor);
}

.btn[aria-expanded]:focus {
    outline: 0;
    box-shadow: none;
}

button[aria-expanded] {
    padding: 12px 0 12px 24px;
}

button[aria-expanded=false] {
    color: #222;
    font-weight: bold;
}

button[aria-expanded=true] {
    color: var(--primaryColor);
    font-weight: bold;
    text-decoration: none;
    background: rgba(0, 194, 154, 0.1);
}

.btn[aria-expanded]:hover {
    color: var(--primaryDarkerColor);
    text-decoration: none;
}