/*================基本样式重置================*/
html,body,div,ul,ol,li,dl,dt,dd,h1,h2,h3,h4,h5,h6,p,img,span,i,a,em,strong,b,input,textarea,select { margin:0; padding:0; }
i,em { font-weight:normal; font-style:normal; }
body {width:100%;position: relative; font:12px/1.5 \5b8b\4f53,tahoma,arial,sans-serif; font-family:"Microsoft YaHei";}
li { list-style:none; }
a,img,input { border:0 none; }
a { text-decoration:none; outline:none; }
a:hover { text-decoration:none; }
a:focus,input:focus { outline:0 none;}
textarea { resize:none; font-size:12px; } /*去掉火狐和谷歌浏览器的Textarea改变尺寸大小功能*/

/*========定义基础样式========*/
.hide { display:none;}
.fl { float:left;}
.fr { float:right;}
.clearfix:after { content:" "; display:block; clear:both; height:0; }
.clearfix { zoom:1; }

/*a标签鼠标hover高亮显示状态（可选用）*/
a .opacity { filter:alpha(opacity=100); opacity:1; -moz-opacity:1; } 
a:hover .opacity { filter:alpha(opacity=80); opacity:0.8; -moz-opacity:0.8; }


/*主体宽度样式（可选用）如有新宽度，命名规则以小写w开头，后接具体宽度数据，例：*/
.w1200{width: 1200px; margin: 0px auto; }