body{margin:0; padding:0; color:#221714; font-family:Arial, "黑体", "宋体", Helvetica, sans-serif;}
img{margin:0; padding:0; border-style:none; vertical-align:middle; line-height:1.0;}
ul,nav{list-style-type:none;}
ol{list-style-type:decimal;}
p,span,h1,h2,h3,h4,h5,dl,dd,dt,form,ul,li,ol{margin:0; padding:0;}
i{margin:0; padding:0; font-style:normal;}
input,textarea,select{font-family:Arial, "黑体", "宋体", Helvetica, sans-serif; font-size:100%; margin:0; padding:0; vertical-align:middle;}
a{color:#231815; text-decoration:none; -webkit-transition: all 0.3s ease; -moz-transition:all 0.3s ease; -o-transition:all 0.3s ease; transition:all  0.3s ease;}
a:hover{opacity:1;cursor: pointer;}
.span01{display:none;}
.fl{float:left;} 
.fr{float:right;}
.clear{clear:both;}
.hidden{overflow:hidden;}
.clearfix:after {content: "";display: block;clear: both;visibility: hidden;font-size: 0;height: 0;} 
.clearfix {*display: inline-block;_height:1%;}
.block{display:block}
.center{text-align:center;}

.w750{max-width: 750px; margin: 0 auto;}

@media only screen and (max-width: 767px) {	
	
	.w750{max-width: 100%; margin: 0 auto;}
	.mg1{margin-top: -2px;}
	.mg2{margin-top: -1px;}
	
}