.top{ width:800px; height:40px; margin:0 auto;}
.top_l{ float:left; width:50%;}
.top_l img{ }
.top_r{ float: right; width:50%;}
.top_r a{ float:right; color: #999; line-height:40px;}
.top_r a:hover{ color: #F90;}
.bkg{
	width:800px;
	position: relative;
  	height: auto;
 	overflow: hidden;
 	background: url(../images/bkg.jpg) no-repeat center top;
	background-size:100% 100%;
	margin:0px auto;
	 }
.div{
	margin:20px auto;
	}
.div_l{ width:700px; height: auto; overflow: hidden; margin:30px auto;}
.div_l h2{ font-size:40px; color:#FFF ; text-align:left; font-weight:bold; margin:60px auto 20px ; text-align:center;}
.div_l h1{ font-size:100px; color:#FFF ; text-align:left; font-weight:bold; margin-bottom:30px; text-align:center; }
.xbt{ width:500px; height:60px; background: #F90 ;border-radius:30px;  margin:0 auto;}
.xbt p{ font-size:30px; text-align: center; line-height:60px; color:#fff;}
.wx{ width:500px; height:auto; overflow:hidden; margin:20px auto; background:#FFF; border-radius:20px;}
.wx p{ font-size:24px; text-align:center; margin:40px auto 20px auto;} 
.wx img{ padding:30px; border:1px #CCC solid; margin:20px auto 50px; border-radius:5px;}
.db{ width:500px; background:#FFF; margin:30px auto 100px auto; height:auto ; overflow:hidden; border-radius:20px;}
.db p{ margin:60px auto 60px auto; font-size:30px; font-weight:bold; color:#F90; line-height:60px; text-align: center;}

@media only all and (max-width:800px) {
	.top{ width:100%; height:1rem;}
	.top_r a{ line-height:1.5rem; font-size:0.6rem;}
	.bkg{width:100%; height:auto; overflow:hidden; background-size:100% 100%;}
	.div{margin:0.5rem auto;}
	.div_l{ width:100%;  margin:0.6rem auto;}
	.div_l h2{ font-size:1rem; margin:1rem auto 0.4rem ; }
	.div_l h1{ font-size:2.6rem;  margin-bottom:0.4rem; }
	.xbt{ width:70%; height:1.4rem; border-radius:0.7rem;}
	.xbt p{ font-size:0.6rem; line-height:1.4rem;}
	.wx{ width:60%; margin:0.3rem auto; border-radius:0.2rem;}
	.wx p{ font-size:0.5rem;  margin:0.6rem auto 0.3rem auto;} 
	.wx img{ width:80%; padding:0.3rem;  margin:0.2rem auto 1rem; border-radius:0.1rem;}
	.db{ width:60%; margin:1rem auto 3rem; border-radius:0.2rem; }
	.db p{ margin:1rem auto; font-size:0.7rem;  line-height:1.4rem; }