/*
    html { 
        -webkit-filter: grayscale(100%); 
        -moz-filter: grayscale(100%); 
        -ms-filter: grayscale(100%); 
        -o-filter: grayscale(100%); 
        filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);  
        _filter:none; 
    } 
*/
html{ font-size: 625%;}
body { background:#ffffff;-webkit-text-size-adjust: 100% !important;}
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,form,fieldset,input,textarea,p,th,td{ margin:0px; padding:0px; font-size:12px; font-family: Microsoft Yahei; color:#000;}
h1,h2,h3,h4,h5,h6{ font-size:100%; font-weight:normal;}
table{ border-collapse:collapse; border-spacing:0; font-size:inherit; font:100%;}/*表格的边框合并为一个框 相邻单元格的边框间的距离0 字体大小继承上一级的设置*/
ol,ul{ list-style:none; }/*去除前面的点*/
fieldset,img,a img{ border:none; }/*去除边框*/
a,a:hover,a:visited{ text-decoration:none; color: #000000;}/*去除下划线*/
input{ -webkit-appearance: none; }/*去除IOS下默认样式*/
a,div{ -webkit-tap-highlight-color: transparent; -webkit-touch-callout: none; -webkit-user-select: none; }/*去除点击阴影,长按弹出系统键盘,禁止IOS复制页面*/
/*清除浮动*/
.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden; }
.clearfix{display:inline-table;}/* Hides from IE-mac \*/
* html .clearfix{height:1%;}
.clearfix{display:block;}/* 结束 hide from IE-mac */
*+html .clearfix{min-height:1%;}/* IE7 */
.all{ max-width:640px; margin:0px auto; position:relative;}
.none{ display:none;}
.visibility{ visibility:hidden;}
.layer{ width: 100%; position: fixed; top: 0px; background: rgba(0,0,0,0.5); z-index: 99;}
.f5f5f5{ background:#f5f5f5; overflow:hidden;}