.center-banner img{
    width: 100%;
}

.product-center-text{
    width:90%;
    text-align: center;
    font-size: 3vw;
    color: #465472;
    border-bottom: 3px solid;
    padding-bottom: 10px;
    margin:3% auto;
}

.nav{
    margin:0px auto;
}

.nav-text{
    height: 40px;
    margin: 0 auto;
    display:flex;
    -webkit-justify-content: center;
    display:-webkit-flex;
    justify-content: center;

}

.nav-text a{
    width: 20%;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: #cccccc;
    display: block;
    float: left;
    cursor:pointer;
    color: #FFFFFF;
    text-decoration: none;
}
.nav-text .pitch{
    background: #f6b436;
}


.big-center-show{
    width:90%;
    margin:50px auto;
    display:flex;
    display:-webkit-flex;
    justify-content: space-between;
    -webkit-justify-content: space-between;
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    text-align: center;
}
.big-center-show a{
    width:40%;
    margin-bottom:10px;
}
.show-box1 img{
    width:100%;
}

.xian{
    width: 100%;
    height: 2px;
    background: #e0b04c;
    margin-top: 2%;
}
.page-turning {

  margin:10px auto;
}
.page-turning a{
    text-decoration: none;
    color: #333333;
    border:1px dotted #333;
}
.page-turning strong{
    background: #e0b04c;
    color:#fff;

}
.page-turning strong,.page-turning a{
    padding:5px 10px !important;
    margin:10px;
}