.head{ width:100%; height:105px; margin:0px auto; 
    position: fixed;
    display: block;
    left: 0;
    top: 0;
    padding: 0px 50px; background:#fff;
    z-index: 1;
}
.logo{width:39%;height:105px; float:left;background:url(../sximg/logo.png) no-repeat 
}



.tel{width:5%;height:105px; float:right; line-height:110px; font-size:18px; color:#0b3a85; font-weight:bold;
}
.tel a{}



.content {
	z-index: 2;
	
}


	


@media screen and (max-width: 1680px)
 {
.head{ width:100%; height:105px; margin:0px auto
}
.logo{width:39%;height:105px; float:left;background:url(../sximg/logo.png) no-repeat
}



.tel{width:5%;height:105px; float:right; line-height:100px; font-size:26px; color:#0b3a85; font-weight:bold
}

}


@media screen and (max-width: 1280px) {


.head{ width:100%; height:100px; margin:0px auto; padding:0; background-color:#FFFFFF
}

.logo{width:95%;height:100px; float:left;background:url(../sximg/logo.png) no-repeat;
}

.tel{width:10%;height:100px; float:right; line-height:100px; font-size:26px; color:#0b3a85; font-weight:bold; display:none;
}
}

@media screen and (max-width: 1024px) {
	.head{ width:100%; height:100px; margin:0px auto
}
}


@media screen and (max-width: 768px) {


.head{ width:100%; height:60px; margin:0px auto
}

.logo{width:95%;height:60px; float:left;background:url(../sximg/iap_logo.png) no-repeat;
}

.tel{width:10%;height:100px; float:right; line-height:100px; font-size:26px; color:#0b3a85; font-weight:bold; display:none;
}
}

@media screen and (max-width: 414px){

.head{ width:100%; height:60px; margin:0px auto
}

.logo{width:90%;height:60px; float:left;background:url(../sximg/mp_logo.png) no-repeat;
}


}