/*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;}