.navs{
    width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
    padding:3em 0 0 0;
}
.pb4{padding-bottom:4rem !important;}
.ipnav{
    width: 1300px;
    margin: 0 auto;
    box-sizing: border-box;
    padding:5em 0 0 0;
}
.headline{
    text-align: center;
}
.Englname {
    font-size: 32px;
    font-family: Source Han Sans CN;
    color: #B0B0B0;
    opacity: 0.17;
    line-height: 32px;
}
.Chinname {
    font-size: 32px;
    font-weight: 800;
    color: #003F80;
    margin-top: -15px;
    line-height: 32px;
}
.on_line{
    position: relative;
    background: url(../img/zhjybj1.png) no-repeat center;
    background-size: cover;
    width: 100%;
    height: 610px;
}
.overlay {
    box-sizing: border-box;
    padding-top: 130px;
    background-color: #0000008c;
    width: 100%;
    height: 100%;
}
.on_title{
    color: #ffffff;
    font-size: 30px;
    text-align: center;
    font-style: oblique;
    margin-bottom: 40px;
}
.on_cont{
    width: 40%;
    margin: 0 auto;
    color: #ffffff;
    font-size: 16px;
    text-align: center;
    line-height: 32px;
}
.ewmlink{
    width: 25%;
    float: left;
}
.ewmlink img{
    /*width: 122px;*/
    display: block;
    margin: 50px auto 20px auto;
    border-radius:5px;
}
.ewmlink p{
    text-align: center;
    color: #ffffff;
}
.ewms{
    width: 40%;
    margin: 0 auto;
}
.zhjyimg{
    width: 100%;
    /*height: 751px;*/
   display: block;
}
.timg{
    margin-bottom: 50px;
}
.brand_list{margin-bottom:40px;}

.brand_span{
    width: 150px;
    margin-bottom: 60px;
    height: 84px;
    display:inline-block;
}
.brand_list img{
    height: 84px;
}
.item_book{
    width: 49%;
    height: 530px;
    background-color: #fbfbfb;
    float: left;
    margin-right: 20px;
    margin-bottom: 20px;
    box-sizing: border-box;
    padding: 40px 40px 10px 40px;
    overflow: auto;
}
.item_book:nth-child(2n){
    margin-right: 0;
}
.bookback{
    width: 100%;
    /* background: #F9F9F9; */
    background-color: #ffffff;
}
.xian {
    width: 50px;
    height: 3px;
    background: #003F80;
    margin: 20px auto 0 auto;
}
.book_list{
    width: 100%;
    margin-top: 50px;
    position: relative;
    box-sizing: border-box;
    padding-bottom: 3em;
}
.item_name{
    font-size: 22px;
    color: #333;
    margin-bottom: 20px;
    font-weight: bold;
}
.dflex{
    display: flex;
    align-items: center;
}
.dflex img{
    width: 160px;
    margin-right: 30px;
}
.width69{
    width: 69%;
}
.explain{
    display: flex;
    margin-bottom: 15px;
}
.lefts{
    width: 9%;
    font-size: 16px;
    font-weight: bold;
    color: #333333;
}
.explain_cont{
    width: 87%;
    font-size: 16px;
    color: #666;
    line-height: 28px;
    margin-left: 20px;
    box-sizing: border-box;
    padding-bottom: 10px;
    border-bottom: 1px dashed #d8d8d8;
}
.explain:last-child .explain_cont{
    border-bottom: none;
}
.zuojt img{
    display: block;
    width: 40px;
    height: 73px;
}
.showjt{display: none;}
.bookback:hover .showjt{
    display: block;
}
.twimg{
    width: 100%;
}

.br5{border-radius:5px;} 

.item_gy{
    width: 334px;
    /* height: 421px; */
    position: relative;
    overflow: hidden;
    border-radius:2px;
}
.label{
    position: absolute;
    bottom: 10px;
    left: 0;
    color: #ffffff;
    font-size: 15px;
    box-sizing: border-box;
    padding: 10px 15px;
    opacity: 0;
    transform: translate(0, 80px);
    transform-origin: bottom;
    transition: transform .5s cubic-bezier(0.2, 0.0, 0.2, 1), opacity .3s cubic-bezier(0.2, 0.0, 0.2, 1);
}
.mask-bg {
    width: 100%;
    height: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all .5s cubic-bezier(0.2, 0.0, 0.2, 1);
    background-color: #0000009c;
    opacity: 0;
}
.item_gy:hover .mask-bg{
	opacity: 0.5;
}
.item_gy:hover .label{
	opacity: 1;
    transform: translate(0, 0px);
}
.shudflex{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 491px;
}
.hpx210{
    height: 233px !important;
}
.title{
    position: absolute;
    color: #ffffff;
    font-size: 20px;
    top: 20px;
    left: 20px;
}

.twdflex{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mbottom20{
    margin-bottom: 20px;
}
.gycont{
    color: #333333;
    line-height: 30px;
    font-size: 18px;
    line-height: 32px;
}
.iplist{
    width: 100%;
    background: url(../img/ipbj1.jpg) no-repeat   center;
    background-size: cover;
    box-sizing: border-box;
    padding-top: 50px;
}
.ip_cont{
    width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
    padding-bottom: 5em;
}
.ipxwI{
    width: 152px;
}
.ipTPI{
    width: 232px;
}
.iptext{
    width: 33%;
    box-sizing: border-box;
    padding: 0 50px;
}
.width60{
    width: 60%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mrigh18{
    margin-right: -18px;
    margin-left: 20px;
}
.ipsI{
    width: 849px;
}

.ipbookI{
    width: 500px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.ipbookI img{
    width: 155px;
}
.ipname span{
    font-size: 18px;
    color: #333333;
}
.mtop6{
    margin-top: 62px;
}
.ipname{
    display: flex;
    justify-content: space-around;
    margin-top: 15px;
}
.yuanmar{
    margin-left: -19px;
    margin-right: 12px
}
.zh_text{
    position:absolute;
    top: 240px;
    left: 236px;
}
.imgtext{
    width: 400px;
    font-size: 16px;
    color: #333333;
    line-height: 32px;
    margin: 30px 0 50px 0;
}
.imglink{
    font-size: 16px;
    color: #003F80;
    margin-top: 10px;
    display: block;
}
.twtitle{
    font-size: 31px;
    color: #101010;
    font-weight: bold;
}
.zhbj{
    width: 100%;
    /* background: url(../img/zhbj1.jpg) no-repeat center;
    background-size: cover; */
    background-color: #ffffff;
}
.fgxian{
    margin-bottom: 20px;
    width: 50px;
    height: 1px;
    background: #333;
}