.pro_con{
    width: 1000px;
    margin: 0 auto;
}
.pro_list{
line-height: 150px;
font-size: 20px;
overflow: hidden;
}
.pro_list li{
float: left;
margin-right: 30px;
cursor: pointer;
}
.pro_list li>span{
padding: 8px;
}
.pro_list li>span:hover{
    background-color: rgb(12, 96, 149);
    color: #fff;
    border-radius: 15px;
}
.pro_list li.act>span{
    background-color: rgb(12, 96, 149);
    color: #fff;
    border-radius: 15px;
}
.pro_detail{
    width: 100%;
    margin: 0 auto 20px;
    overflow: hidden;
    display: none;
}
.pro_detail.act{
    display: block;
}
.txt_o,.o_left,.o_right{
    overflow: hidden;
}
.o_left{
    width: 500px;
    float: left;
}
.o_left span:nth-child(1){
    color: rgb(12, 96, 149);;
    float: left;
    font-size: 28px;
    line-height: 36px;
    font-weight: 700;
    font-family: '宋体';
    float: left;
}
.o_left span{
    font-size: 18px;
    letter-spacing: 1px;
    color: #666666;
    line-height: 24px;
}
.xg{
    margin-top: 35px;
    display: inline-block;
}
.o_right{
    width: 460px;
    float: right;
}
.o_right img{
    width: 100%;
}
.txt_t_box{
    overflow: hidden;
    position: relative;
    padding-bottom: 30px;
}
.txt_t{
    overflow: hidden;
    position: relative;
    background: url('../images/de_sh_th.png') no-repeat top right;
    background-size: 50% 75%;
    padding-bottom: 30px;
}
.txt_t>p:nth-child(1),
.txt_t_box>p:nth-child(1){
    color: rgb(12, 96, 149);
    font-size: 22px;
    line-height: 36px;
    font-weight: 600;
}
.txt_t>p:nth-child(2),
.txt_t_box>p:nth-child(2){
    font-size: 18px;
    line-height: 30px;
    color: #666666;
    letter-spacing: 1px;
    width: 500px;
}
.txt_t_box>p:nth-child(2){
    width: 100%;
}
.xh_pho{
    overflow: hidden;
}
.xh_pho>h3{
    text-align: center;
    font-size: 28px;
    color: rgba(196,0,0,1);
}
.xh_detail_pho{
    overflow: hidden;
    display: grid;
    grid-template-columns:repeat(3,1fr);
    grid-template-rows: repeat(2,1fr);
    /* height: 800px; */
    width: 100%;
    grid-gap: 20px;
    margin: 20px auto 10px;
}
.xh_detail_pho>div{
   text-align: center;
   cursor: pointer;
}
.xh_detail_pho>div>img{
    width: 100%;
}
.xh_nr{
    background: url('../images/de_sh_th.png') no-repeat top right;
    background-size: 55% 100%;
}
.fx_nr{
    background: url('../images/fx_nr.png') no-repeat bottom right;
    background-size: 50% 95%;
}
.zb_nr{
    background: url('../images/zb_t.png') no-repeat top right;
    background-size: 50% 75%;
}
.gr_nr{
    background: url('../images/gr_s.png') no-repeat top right;
    background-size: 40% 85%;
}
.zb_big{
    margin: 20px auto;
}
.zb_big>img{
    width: 100%;
}