/*设置通用样式*/
body{
    font:12px "微软雅黑",Arial,Helvetica,sans-serif;
    color:#666;
    margin:0;
    padding:0;
    background-color:#fff;
}
p,h1,h2,h3,h4,h5,h6,ul,ol,dl,dd{
    margin:0;
    padding:0;
    list-style:none;
}
u,i,b,em{font-style: normal;}
a{
    text-decoration:none;
}
.clear:after{
    content:"";
    display:block;
    clear:both;
}
.lf { float:left;}
.rt { float:right;}

.main{
    width:1200px;
    margin:0 auto;
}

iframe{
    width:960px;
}