@charset "utf-8";

.pro_cols{
    position: relative;
    /*text-align: center;*/
    top: -50px;
}
.pro_cols>ul{
    display: inline-block;
    font-size: 0;
    letter-spacing: -4px;
    /*text-align: center;
    padding-bottom: 12px;
    background: #004986 url(../img/xingzhuang.png) no-repeat center bottom 2px;
    background-size: 54px auto;*/
    
}

.pro_cols>ul>li{
    display: inline-block;
    vertical-align: top;
    width: 150px;
    height: 50px;
    line-height: 50px;
    font-size: 18px;
    letter-spacing: normal;
    text-align: center;
    background-color: #0099ff;
}

.pro_cols>ul>li:nth-child(-n+8){
    background-color: rgba(0, 153, 255, 0.388);

}

.pro_cols>ul>li.active>a,
.pro_cols>ul>li:hover>a{
    background-color: #ff9900;
}

/*.pro_cols>ul>li:nth-child(odd){
    background-color: #2b56a0;
}

.pro_cols>ul>li:nth-child(even){
    background-color: #517fce;
}*/
.pro_cols>ul>li>a{
    display: block;
    height: 100%;
    width: 100%;
    color: #fff;
}
.pro_list{
    margin-top: 50px;
}

.pro_list>.tit{
    position: relative;
    font-size: 28px;
    color: #3a3f4b;
    padding-bottom: 15px;
    text-align: center;
}

.pro_list>.tit:after{
    display: block;
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 120px;
    height: 4px;
    margin-left: -60px;
    background-color: #00a5ff;
}

.product_des_item{
    margin: 48px auto 20px;
}

.product_des_item>.product_item{
    margin-left: 80px;
    margin-bottom: 20px;
    width: 240px;
    /* height: 236px; */
    float: left;

}
.product_des_item>.product_item>a{
    display: block;
    width: 100%;
}

.product_des_item>.product_item>a>.img_box,
.product_des_item>.product_item>a>.img_box>img{
    display: block;
    width: 100%;
    height: 236px;
}

.product_des_item>.product_item>a>.tit{
    padding: 0 10px;
    line-height: 36px;
    text-align: center;
    color: #000;
    font-size: 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product_des_item>.product_item>a>.tit:hover{
    color: #004986;
}

nav[aria-label="Page navigation"]{
    text-align: center;
}