body,h1,h2,h3,h4,h5,h6,p,blockquote,dl,dt,dd,ul,ol,li,pre,form,fieldset,legend,button,input,textarea span{margin:0;padding:0;}
a,input,button{ -webkit-tap-highlight-color: rgba(0,0,0,0);}
a{ text-decoration: none;}
img{ border: none;}
ul{list-style: none;}
em,i{font-style: normal;}

body{margin: 0; -webkit-user-select: auto;}
body * { -webkit-user-select: auto; font-family: Helvetica;}
body{ -webkit-text-size-adjust: 100%;}

.clearfix:before,.clearfix:after{content:"."; display:block; visibility:hidden; height:0; line-height:0; font-size:0;}
.clearfix:after{clear:both;}
.clearfix{zoom:1;}
/* user_binding */

.clear{clear:both; height:0;overflow:hidden;}
.air{width:24px; display:inline-block;}
.air_t{width:12px; display:inline-block;}