body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, 
dl, dt, dd, ul, ol, li, 
pre, 
form, fieldset, legend, button, input, textarea, 
th, td, 
menu
 {
margin: 0;
padding: 0;
}


body,
button, input, select, textarea  {
font: 12px/1.5 microsoft yahei,tahoma, arial, simsun, sans-serif;
}
h1, h2, h3, h4, h5, h6 { font-size: 100%;font-weight:normal; }
address, cite, dfn, em, var { font-style: normal; } 
code, kbd, pre, samp { font-family: courier new, courier, monospace; } 
small { font-size: 12px; } 


ul, ol { list-style: none; }


a { text-decoration: none; }
a:hover { text-decoration: underline; }


img { border: 0; } 
button, input, select, textarea { font-size: 100%; } 



table { border-collapse: collapse; border-spacing: 0; }
.f_c:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}
.f_c{*zoom:1;}
.f_l{float: left;}
.f_r{float: right;padding-top:20px;}
li{list-style: none;}

.clearfix::before,
.clearfix::after{
    content: ".";
    display: block;
    height: 0;
    line-height: 0;
    visibility: hidden;

    clear: both;
}
.clearbox {
 width: 0; height: 0; clear: both; overflow: hidden;
}