html,body,div,span,applet,object,iframe,table, caption,tbody,tfoot,thead,tr,th,td,del,dfn,img,
strong,address,dl,dt,dd,ol,ul,li,form,h1,h2,h3,h4,h5,h6,
p,span,em,nav,header,hgroup,menu,details,figcaption, figure,footer,section,article,aside
{margin:0; padding:0; font-family:"microsoft yahei"; }
a{text-decoration: none;}
li{list-style: none;}
nav,header,hgroup,menu,details,figcaption,figure,footer,section,article,aside{display: block;}
table{border-collapse:collapse;
border-spacing: 0;}
blockquote:before,blockquote:after,
q:before,q:after{content:'';
content:none;}
:focus {
    outline: 0;
}