html,body,div,span,object,iframe,table,tr,th,td,em,img,h1,h2,h3,h4,h5,h6,p,a,dl,dt,dd,ul,li,form,label {font-family:inherit; padding:0; margin:0; border:0;}
ol,ul {list-style:none;}
img {vertical-align:top; border:none;}
body {background:#fff; font:14px/1.5 "Microsoft Yahei", Arial, Helvetica, sans-serif, SimSun; overflow-x: hidden;}
h1, h2, h3, h4, h5, h6{font-weight: normal;}
a { color: #3983e5; text-decoration: none; }
a:hover {text-decoration:underline;}
.banner{width: 100%; margin-top: -10px; position: relative; vertical-align: top;}
.btn{position: absolute; left: 44%; margin-left: -5px; top: 48%; display: inline-block;}