.book_list_content{
    margin: 20px 0;
    overflow: visible;
    display: inline-block;
    width: 100%;
}
.content_left{
    float: left;
    width: 190px;
}
.content_right{
    float: right;
    width: 780px;
}
.content_left h1{
    float: left;
    width: 100%;
    background: #639e2a;
    height: 42px;
    line-height: 42px;
    text-align: center;
    font-size: 16px;
    color: #fff;
}
.content_left ul{
    float: left;
    width: 100%;
    border: 1px #ddd solid;
    background: #fff;
}
.content_left ul li{
    float: left;
    height: auto;
    line-height: 42px;
    text-align: left;
    width: 100%;
    border-bottom: 1px #eee solid;
    transition: all 0.5s;
}
.content_left ul li:hover, .content_left ul li.active{
    background: #f8f8f8;
}
.content_left ul li a{
    display: block;
    line-height: 42px;
    font-size: 14px;
}
.left_links{
    float: left;
    width: 100%;
    margin-top: 20px;
}
.left_links a{
    float: left;
    width: 100%;
    margin-bottom: 10px;
    border: 1px #eee solid;
}
.left_links a img{
    float: left;
    width: 188px;
    height: 80px;
}

.nav_bar{
    float: left;
    width: 100%;
    font-size: 14px;
    line-height: 22px;
    margin-bottom: 20px;
    display: flex;
}
.nav_bar a:hover{
    color: #f90;
    text-decoration: underline;
}
.book_list{
    float: left;
    width: 100%;
}
.book_item{
    float: left;
    width: 140px;
    margin-right: 20px;
    position: relative;
    padding: 10px;
    /*overflow: hidden;*/
    cursor: pointer;
    transition: all 0.5s;
}
.book_item > h1{
    float: left;
    width: 100%;
    font-size: 12px;
    /*white-space: nowrap;*/
    text-overflow: ellipsis;
    overflow: hidden;
    margin: 5px 0 0 0;
    height: 40px;
}
.order-type{
    float: right;
}
.order-type li{
    float: left;
    font-size: 12px;
    padding: 0 10px;
    cursor: pointer;
}
.order-type li.active, .order-type li:hover{
    color: #639e2a;
}
.book_item:hover{
    background: #dfdfdf;
}
.book_item .cover{
    float: left;
    width: 100%;
    border: 1px #aaa solid;
    position: relative;
    border-radius: 10px;
}
.book_item .cover:hover .book-pos-deal{
    display: block;
}
.book_item .cover img{
    float: left;
    width: 100%;
    height: 155px;
    border-radius: 10px;
}
.book_item .book_detail{
    position: absolute;
    width: 150px;
    height: 200px;
    left: 10px;
    top:100%;
    background: rgba(0,0,0,0.5);
    background: rgb(0,0,0)\9;
    transition: all 0.2s;
}
.book_item:hover .book_detail{
    top:10px;
}
.book_item .book_detail h1{
    float: left;
    width: 100%;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fff;
    line-height: 22px;
    text-align: center;
    margin-top: 45px;
}
.book_item .book_detail h2{
    color: #e9e9e9;
    float: left;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    text-align: center;
    margin-top: 10px;
}
.book_item .book_detail h3{
    float: left;
    width: 100%;
    height: 54px;
    line-height: 18px;
    color: #999;
    font-size: 12px;
    margin-top: 10px;
    overflow: hidden;
}
.book_item .book_detail a{
    float: left;
    background: #639e2a;
    color: #fff;
    margin-top: 20px;
    line-height: 20px;
    padding: 0 10px;
    border-radius: 3px;
    width: 70px;
    text-align: center;
    margin-left: 40px;
}
.book_item .book_detail a:hover{
    background: #79b63e;
}
.M-box{
    float: left;
    width: 100%;
}
.search_key_end{
    float: right;
}
.search_key_end em{
    color: #ff8000;
    padding: 0 5px;
}
.un_msg{
    padding: 100px 0;
    text-align: center;
    font-size: 14px;
}
.un_msg a{
    color: blue;
}
.book_item:nth-child(5n) .book-pos-deal{
    left: auto;
    right: calc(100% + 15px);
    right: -moz-calc(100% + 15px);
    right: -webkit-calc(100% + 15px);
}
.book_item:nth-child(5n) .book-pos-deal s{
    background:url(../img/fx-right.png) no-repeat 5px 0;
    left: auto;
    right: -15px;
}
.cat-child-list{
background-color: #fff;
}
.cat-child-list a{
    padding: 0 10px;
    border: 1px solid #fff;
}
.cat-child-list a:hover{
    background-color: #e1e1e1;
}