@charset "utf-8";
/* CSS Document */

body{
	width:100%;
	color:#FFF;
	font-family:Source Han Sans CN,SimHei,PingFang SC;
	padding:0px;
	margin:0px auto;
	}
	
#top{
	background:url(images/THS_BIM_01.png) center;
	height:479px;
	margin:0px auto;
	}
#top .nav{
	padding-top:10px;
	font-size:16px;
	width:900px;
	text-align:right;
	color: #444;
	margin:0px auto;
	}
#top .nav a{
	color:#444;
	text-decoration:none;
	}
#top .nav a:hover{
	color: #06F;
	text-decoration:none;
	}
#tit{
	background:url(images/THS_BIM_02.png) center;
	height:433px;
	margin:0px auto;
	}

#container{
	overflow:hidden;
	clear:both;
	}
#mid{
	width:1005px;
	margin:0 auto;
	}
	
#bot{
	background:url(images/THS_BIM_12.png) center;
	height:310px;
	margin:0px auto;
	}

#totop{
	position:fixed;
	right:5px;
	bottom:30px;
	display:block;
	width:50px;
	height:50px;
	background:url(images/top.png) no-repeat 0 0;
	-webkit-transition: all 0.2s ease-in-out;
	}

#totop:hover{
	background:url(images/top.png) no-repeat 0 -50px ;
	}