.a_banner{
    text-align: center;

}.a_banner img{
     width: 100%;
 }
.f_div1,.f_div2,.f_div3{
    width: 100%;
    position: relative;
    text-align: center;
}
.f_div1{
    top: 30px;
}
.inistitute_zs{
    margin-top: 30px;
}
.f_div2{
    background-color: #FEFEFE;
    margin-top: 70px;
}
.f_div3{
    padding-top: 80px;
    padding-bottom: 80px;
}
.c_div{
   /* position:relative;
    left:-600px;
    margin-left: 50%;*/
    margin:auto;
    width: 1200px;
}
.c1{

}
.zs,.cl{
    font-weight: bold;
    text-align: center;
    padding-top: 30px;
    padding-bottom: 30px;
    font-size: 30px;
    color: #3E464C;
    letter-spacing: 0;
}
.cl{
    padding-top: 10px;
    padding-bottom: 10px;
}

.inistitute_bk{
    margin-bottom: 30px;
}

.ty{
    background-color: #FF5D35;
    text-align: center;
}
.ty img{
    width: 100%;
    /*height: 160px;*/
    background-size:cover;
}
.inistitute_cganli{
    display: flex;
    flex-wrap:wrap;
    justify-content: center;
    margin-top: 20px;
}

.inistitute_cganli .tp{
    text-align: center;
    margin-top: 25px;
    margin-left: 10px;
}
.inistitute_cganli .tp img{
    width: 287px;
    height: 185px;
}
.img_title{
    width: 287px;
    height: 185px;
    font-size: 16px;
    font-weight: bold;
    color: #FFF;
    background-color: #000;
    opacity:0.2;
    position: absolute;
    top:0px;
    left:0px;
    z-index: 998;
    padding-top: 90px;
    text-align: center;
}
.inistitute_cganli_over{
    position: relative;
    top:-20px;
    -moz-box-shadow: 5px 11px 5px #888888;
    box-shadow: 6px 6px 6px #888888;
}


.img_title1{
    width: 287px;
    height: 16px;
    font-size: 16px;
    font-weight: bold;
    color: #FFF;
    position: absolute;
    top:0px;
    left:0px;
    z-index: 999;
    padding-top: 90px;
    text-align: center;
}

.more{
    border: 2px solid #FF5D35;
    color: #FF5D35;
    padding: 10px 40px;
    margin-top: 30px;
    display: inline-block;
    font-size: 14px;
    color: #FF5D35;
    letter-spacing: 0;

}
.down{ display: inline-block;
    vertical-align: middle;
    border-top: 4px solid #dd0000;
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
    content: "";
    margin-top: -3px;
    margin-left: 12px;
}
.up{
    display: inline-block;
    vertical-align: middle;
    border-bottom: 4px solid #dd0000;
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
    content: "";
    margin-top: -3px;
    margin-left: 12px;
}
.left4{
    width: 530px;
    height: 292px;
    float: left;
}
.right4{
    margin-left:  620px;
    width: 530px;
    height: 292px;
}
.right4 li{
    line-height: 33px;
    font-size: 14px;
    color: #323232;
    letter-spacing: 0;
    text-align: left;
    list-style-image: url("/resources/images/aboutus_li.png");
    list-style-position: inside;
}