html,body,div,span,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,abbr,address,cite,code,del,dfn,em,img,ins,kbd,q,samp,small,strong,sub,sup,var,b,i,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary,time,mark,audio,video {
  margin: 0;
  padding: 0;
}
h1,h2,h3,h4,h5,h6,em,i {
  font-weight: 100;
  font-style: normal;
}
ul,ol,li {
  list-style-type:none;
}
a {
  color: inherit;
  text-decoration: none;
  outline: 0;
}
a:hover {
  text-decoration: none;
}
.left {
  float: left;
}
.right {
  float: right;
}
.clear {
  zoom: 1;
}
.clear:after {
  content: "";
  height: 0;
  line-height: 0;
  display: block;
  visibility: hidden;
  clear: both;
}
.dots {
  overflow: hidden; /*超出的部分隐藏起来。*/ 
  white-space: nowrap; /*不显示的地方用省略号...代替*/
  text-overflow: ellipsis; /* 支持 IE */
}
.show {
  display: block;
}
.hide {
  display: none;
}