@charset "UTF-8";
.clearfix{
    zoom: 1;
}
.clearfix:after {
    content: ".";
    display: block;
    clear: both;
    visibility: hidden;
    height: 0;
    font-size:0;
}
.nbzt_container{
    width: 1200px;
    margin: 0 auto;
}
.pho_banner{
    display: none;
}
.pho_banner img{
    width: 100%;
}
.nbzt_content{
    padding-top: 834px;
    margin-bottom: 58px;
    background: url("zt_bg.jpg") no-repeat top center;
}
.nbzt_banner img{
    width: 100%;
}
.szf_about ul li{
    float: right;
}
.szf_about ul li:first-child{
    float: left;
}
.szf_about ul li a{
    display: block;
    width: 100%;
    height: 100%;
}
.bb_box{
    margin-top: 30px;
}
.bb_box .bb_title{
    text-align: center;
    z-index: 99;
}
.bb_box .bb_list{
    /*background: url("box_border.png") no-repeat;*/
    border-radius: 6px;
    overflow: hidden;
    margin-top: -40px;
}
.bb_box .bb_list .list_con{
    border: 8px solid;
    border-image: linear-gradient(to bottom,#ea5654,#f2914a) 1;
    background: url("box_bg.png") repeat center #fff;
    padding-bottom: 70px;
    padding-top: 40px;
    box-shadow: 5px 5px 10px 0 rgba(237, 104, 41, 0.3);
}
.bb_box .bb_list ul li{
    float: left;
    width: 270px;
    height: 50px;
    line-height: 48px;
    text-align: center;
    margin-top: 25px;
    border: 1px solid #f4f4f4;
    border-radius: 3px;
    margin-left: 20px;
    background: #f4f4f4;
}
.bb_box .bb_list ul li a{
    font-size: 20px;
    color: #333333;
    display: block;
    padding: 0 10px;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.bb_box .bb_list ul li:hover{
    background: #fef9ef;
}
.bb_box .bb_list ul li:hover a{
    color: #da5444;
}
.bb_box .bb_list ul.con_bm li{
    width: 370px;
}
.zt_box{
    margin-top: 50px;
}
.zt_box .zt_list{
    margin-top: 10px;
    padding-bottom: 224px;
}
.zt_box .zt_list ul{
    margin-left: -17px;
}
.zt_box .zt_list ul li{
    float: left;
    width: 135px;
    height: 50px;
    line-height: 48px;
    text-align: center;
    border: 1px solid #ea5654;
    border-radius: 3px;
    background: #fff;
    margin-left: 17px;
    margin-top: 20px;
}
.zt_box .zt_list ul li a{
    font-size: 20px;
    color: #da5444;
    display: block;
}
.zt_box .zt_list ul li:hover{
    background: #ea5654;
}
.zt_box .zt_list ul li:hover a{
    color: #fff;
}

@media screen and (max-width: 1200px){
    .nbzt_container{
        width: 100%;
        padding: 0 20px;
    }
    .pho_banner{
        display: block;
    }
    .nbzt_content{
        padding-top: 0;
        background: #feefcf;
    }
    .szf_about ul{
        margin-left: -4%;
    }
    .szf_about ul li{
        width: 46%;
        margin-left: 4%;
    }
    .szf_about ul li a img{
        display: block;
        width: 100%;
        height: auto;
    }
    .bb_box .bb_list ul{
        margin-left: 3%;
    }
    .bb_box .bb_list ul li{
        width: 30%;
        margin-left: 2%;
    }
    .bb_box .bb_list ul.con_bm{
        margin-left: -2%;
        padding: 0 20px;
    }
    .bb_box .bb_list ul.con_bm li{
        width: 48%;
        margin-left: 2%;
    }
    .zt_title img{
        width: 100%;
    }
    .zt_box .zt_list ul{
        margin-left: -2%;
    }
    .zt_box .zt_list ul li{
        width: 23%;
        margin-left: 2%;
    }
    .zt_box .zt_list{
        padding-bottom: 50px;
    }
}
@media screen and (max-width: 768px){
    .pho_banner{
        display: block;
    }
    .bb_box .bb_title img{
        width: 48%;
    }
}
@media screen and (max-width: 640px){
    .bb_box .bb_list ul{
        margin-left: -4%;
        padding: 0 20px;
    }
    .bb_box .bb_list ul li{
        width: 46%;
        margin-left: 4%;
    }
}
@media screen and (max-width: 480px){
    .bb_box .bb_list ul,
    .bb_box .bb_list ul.con_bm{
        margin-left: 0;
        padding: 0 20px;
    }
    .bb_box .bb_list ul li,
    .bb_box .bb_list ul.con_bm li{
        float: none;
        width: 100%;
        margin-left: 0;
    }
}