/*window*/
body,div,h1,h2,h3,h4,h5,h6,p,blockquote,pre,code,del,dfn,em,img,strong,dd,dl,dt,li,ol,ul,fieldset,form,label,button,input,table,caption,tbody,tfoot,thead,tr,th,td,header,footer,menu,a,span,i,b {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
ol,ul,menu {
    list-style: none
}
a {
    display: inline-block;
    text-decoration: none;
}
a:focus {
    outline: none
}
input,button,img,select,textarea {
    border: 0;
    outline: none;
    font-size: 100%;
}
textarea {
    overflow: auto;
    vertical-align: top
}
em,i {
    font-style: normal;
}
img {
    vertical-align: middle;
}
body {
    font-family: "微软雅黑";
    }
.clearfix:after{
  content: "020"; 
  display: block; 
  clear: both; 
  height: 0;
  visibility: hidden;  
  }

.clearfix {
  /* 触发 hasLayout */ 
  zoom: 1; 
  }
  
/*! 遮罩层 */  
 .mask{
     width: 100%;
     height: 100%;
     position: fixed;
     left: 0;
     top: 0;
     background: rgba(0,0,0,0.7);
     display: none;
     z-index: 999;
 } 
 
.float_left{
    float: left;
    display: inline-block;
}
.float_right{
    float: right;
    display: inline-block;
}
.text_uppercase{
    text-transform: uppercase;
}
.middle_center{
	display:-webkit-box; 
	-webkit-box-orient:horizontal; 
	-webkit-box-pack:center; 
	-webkit-box-align:center; 
	display:-moz-box; 
	-moz-box-orient:horizontal; 
	-moz-box-pack:center; 
	-moz-box-align:center; 
	display:-o-box; 
	-o-box-orient:horizontal; 
	-o-box-pack:center; 
	-o-box-align:center; 
	display:-ms-box; 
	-ms-box-orient:horizontal; 
	-ms-box-pack:center; 
	-ms-box-align:center; 
	display:box; 
	box-orient:horizontal; 
	box-pack:center; 
	box-align:center;
}