.book_content {
    display: block;
    overflow: hidden;
    width: 100%;
    padding-top: 40px;
    padding-bottom: 10px;
}

.book_head {
    background: #fff;
    float: left;
    width: 100%;
    padding: 30px;
    box-shadow: 0 0 5px #ddd;
    border: 1px #eee solid;
}

.b_head_left {
    float: left;
    width: 100%;
}

.b_head_left .cover {
    float: left;
    width: 160px;
    border: 1px #ccc solid;
    box-shadow: 0 0 5px #ccc;
}

.b_head_left .cover img {
    float: left;
    width: 100%;
    height: 210px;
}

.detail {
    float: right;
    width: 740px;
    position: relative;
}

.detail h1 {
    float: left;
    width: 100%;
    font-size: 18px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 10px;
}
.detail .code_ml{
    position: absolute;
    width: 50px;
    bottom: 5px;
    right: 45px;
    line-height: 30px;
}
.detail .code_ml .code_pri{
    float: left;
    width: 100%;
    height: 100%;
    text-align: center;
    position: relative;
}
.detail .code_ml label{
    float: left;
    width: 50px;
    height: 50px;
    background: url("../img/erweima.png")center center no-repeat;
    border: 1px #eee solid;
    background-size: 25px;
    border-radius: 50px;
    cursor: pointer;
}
.detail .mm_code{
    position: absolute;
    top:90px;
    background: #fff;
    border: 1px #ddd solid;
    padding: 15px;
    width: 200px;
    height: 200px;
    left: -70px;
    display: none;
}
.detail .code_ml:hover .mm_code{
    display: block;
}
.detail .mm_code i{
    float: left;
    width: 100%;
    height: 10px;
    margin-top: -25px;
    background: url("../img/code_ico_t.png") center 0 no-repeat;
}
.detail .mm_code .mm_img{
    float: left;
    width: 100%;
}

.detail h2, .detail h3 {
    font-size: 12px;
    color: #949494;
    white-space: nowrap;
    float: left;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 30px;
}

.detail .link_line {
    float: left;
    width: 100%;
    margin-top: 20px;
}

.detail .link_line a ,.detail .link_line button{
    float: left;
    width: 120px;
    text-align: center;
    line-height: 38px;
    font-size: 14px;
    border-radius: 3px;
}

.detail .link_line .l1 {
    background: #639e2a;
    color: #fff;
}

.detail .link_line .l2 {
    background: #fff;
    color: #639e2a;
    border: 1px #639e2a solid;
    cursor: pointer;
}

.b_head_right {
    float: right;
    width: 100%;
    max-height: 210px;
    line-height: 30px;
    font-size: 14px;
    color: #595959;
    text-indent: 2em;
    overflow: hidden;
    text-align: justify;
    margin-top: 20px;
    min-height: 100px;
}

.book_mmessage {
    float: left;
    width: 100%;
    padding: 30px;
    background: #fff;
    box-shadow: 0 0 5px #ddd;
    border: 1px #eee solid;
    margin-top: 20px;
}


.per_list{
    float: left;
    width: 100%;
    background: #fff;
    padding: 25px 0 0 0;
    margin-bottom: 20px;
}
.per_item{
    float: left;
    width: 20%;
    margin-bottom: 20px;
    overflow: hidden;
    padding: 0 25px 0 25px;
    cursor: pointer;
}
.per_item .cover{
    float: left;
    width: 100%;
    border: 1px #aaa solid;
    position: relative;
}
.per_item .cover label{
    position: absolute;
    width: 100%;
    line-height: 20px;
    background: rgba(0,0,0,0.55);
    color: #fff;
    text-align: center;
    left: 0;
    bottom: 0;
    padding: 10px 5px;
}
.per_item .cover img{
    float: left;
    width: 100%;
    height: 180px;
}
.per_item p{
    float: left;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-align: center;
    margin: 5px 0 0 0;
}
.per_item .per_detail{
    float: left;
    width: 600px;
    padding-left: 20px;
}
.per_item .per_detail h1{
    float: left;
    width: 100%;
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 22px;
    height: 22px;
    position: relative;
}
.per_item .per_detail h1 a{
    background: #639e2a;
    color: #fff;
    line-height: 20px;
    padding: 0 10px;
    border-radius: 3px;
    position: absolute;
    right: 0;
    font-size: 12px;
    top:0;
}
.per_item .per_detail .del{
    float: left;
    width: 100%;
    margin-top: 10px;
    color: #9c9c9c;
    line-height: 20px;
    height: 120px;
    overflow: hidden;
}
.per_item .per_detail a:hover{
    background: #79b63e;
}