/*登录logo*/
.login-user .user-nav{
    background: url("../images/login_logo.png") no-repeat 20px center #fff;
}
/*index  logo*/
.layout-left .yylogo{
    background: url("../images/logo_1.png") no-repeat center center #fff;
    background-size: 80%;
}
.layout-left .zhlogo{
    background: url(../images/zhlogo.jpg) no-repeat 0px -12px #fff;
    background-size: 96%;
}
.layout-left .qglogo{
    background: url(../images/qglogo.jpg) no-repeat 0px 3px #fff;
    background-size:90px 56px;
}