html,body{
    background-color: #f2f2f2;
    height: 100%;
}
.zyHead{
    width: 100%;
    height: 60px;
    background-color: #1f354c;
}
.zyHead_cen{
    width: 1200px;
    height: 60px;
    margin: 0 auto;
}
.headPic1{
    float: left;

}
.backIndex{
    display: block;
    width: 100px;
    height: 30px;
    float: left;
    text-align: center;
    line-height: 30px;
    color: #fff;
    margin-top: 15px;
    font-size: 14px;
    /* border-radius: 20px;
    border: 1px solid #fff; */
}
.ltForm{
    width: 150px;
    height: 60px;
    float: right;
}
.headPic2{
    float: left;
}
.ltForm ul{
    float: left;
    margin-left: 20px;
}
.ltForm ul li{
    float: left;
    line-height: 60px;
    font-size: 14px;
    margin-right: 20px;
}
.ltForm ul li a{
    color: #fff;
}
.lt_login{
    height: 60px;
    float: right;
}
.lt_login ul{
    margin-left: 20px;
    margin-top: 17.5px;
}
.lt_login li{
    float: left;
    line-height: 60px;
    font-size: 14px;
    margin-left: 20px;
    text-indent: 20px;
}
.lt_login li:first-of-type{
    min-width: 20px;
    height: 20px;
    line-height:20px;
    background: url("../img/indexPerson.png") no-repeat 0 center;
    border-radius: 50%;
}
/*.lt_login li:last-of-type{
    background: url("../img/indexTc.png") no-repeat 0 center;
}*/
.lt_login li a{
    color: #fff;
}
.btn_msg{
    width:15px;
    height:17px;
    display: block;
    float: left;;
    margin-top: 20.5px;
    background: url("../img/loginMsg.png") no-repeat 0 center;
    position: relative;
}
@media (min-width: 1220px ) and (max-width: 1400px) {
    .zyHead_cen{
        width: 1000px;
    }

}
@media (min-width: 1100px)and (max-width: 1220px){
    .zyHead_cen{
        width: 1000px;
    }
    .writeCon{
        width: 880px;
    }

}
@media (min-width: 1024px ) and (max-width: 1100px) {
    .zyHead_cen{
        width: 900px;
    }
    .writeCon{
        width: 880px;
    }

}
@media screen and (max-width: 1024px) {
    .zyHead_cen{
        width: 900px;
    }
    .writeCon{
        width: 880px;
    }

}