*body,subNav_10,p,main,main_1_1,br,main_2,main_1,main_20,main_21,tup_1,h2,h3,h4,h5,h6,pre,label,hr,form,fieldset,input,select,textarea { margin:0; padding:0; }

border="0" 
.subNav_10 a:hover{
	background-image: url(dsejiemalas2017_YS_21.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	height: 37px;
	padding:10px 2px;
	color:#333333
}
.subNav_10 a{
	padding:10px 2px;
}
<!---文字--->
.style12 {	font-family: "宋体";	font-size: 12px;	font-style: normal;	line-height: 20px;	color: #666666;}
.style10 {	font-family: "宋体";	font-size: 12px;	font-style: normal;	line-height: 20px;	color: #333333;}
.style5 {	font-family: "宋体";	font-size: 12px;	font-style: normal;	line-height: 25px;	color: #000000; }
.style6 {	font-family: "宋体";	font-size: 14px;	font-style: normal;	line-height: 30px;	font-weight: normal;	color: #000000;}
.style9 {	font-family: "宋体";	font-size: 12px;	font-style: normal;	line-height: 20px;	color: #666666;}
.style11 {	font-family: "宋体";	font-size: 30px;	font-style: normal;	line-height: 30px;	font-weight: bolder;	color: #A20000;}
.style13 {	font-family: "宋体";	font-size: 14px;	font-style: normal;	line-height: 30px;	font-weight: bolder;	color: #000000;}
.style16 {	font-family: "宋体";	font-size: 14px;	font-style: normal;	line-height: 58px;	font-weight: bold;	color: #1D4C2E;}
.style17 {	font-family: "宋体";	font-size: 14px;	font-style: normal;	line-height: 25px;	font-weight: bold;	color: #05A101;}
.style18 {	font-family: "宋体";	font-size: 14px;	font-style: normal;	line-height: 35px;	font-weight: bold;	color: #3977EA;}
.style19 {	font-family: "宋体";	font-size: 16px;	font-style: normal;	line-height: 50px;	font-weight: bold;	color: #129D00;}
.style15 {	font-family: "宋体";	font-size: 12px;	font-style: normal;	line-height: 20px;	font-weight: normal;	color: #454028;}


<!---控制页面大小--->
.main{height: auto;width: 980px;text-align: center;background-position: center;clip: rect(auto,auto,auto,auto);background-color: #F3F9FC;}
.main_1_1{height:auto;width: 1002px;text-align: center;background-position: center;overflow: hidden auto;clip: rect(auto,auto,auto,auto);height:auto ;	}
.main_2{width: 960px;height:390px;margin-right: 10px;margin-left: 10px;margin-bottom: 10px;background-image: url(dsejiemalas2017_bjt.jpg);background-repeat: no-repeat;}
.main_13{width: 960px;height:320px;overflow: hidden;margin-right: 10px;margin-left: 10px;margin-bottom: 10px;background-image: url(dsejiemalas2017_bjt_01.jpg);background-repeat: no-repeat;}
.main_14{width: 960px;height:430px;overflow: hidden;margin-right: 10px;margin-left:10px;margin-bottom:10px;background-image: url(dsejiemalas2017_bj_01.jpg);background-repeat: no-repeat;}
.main_1 {width: 980px;overflow: hidden;margin-top: 10px;margin-right: 10px;margin-left: 10px;margin-bottom: 10px;background-repeat: no-repeat;height:auto !important;}
.main_3 {width: 480px;height:460px;overflow: hidden;margin-top: 10px;margin-right: 10px;margin-left: 10px;margin-bottom: 10px;background-repeat: no-repeat;height:auto !important;}
.main_20 {background-position: center;width: 958px;overflow: hidden;margin: 10px;border: 1px solid #E2E2E2;}
.main_21 {background-position: center;width: 958px;overflow: hidden;margin: 10px;border: 1px solid #E2E2E2;	height: 280px;}

<!---控制图片大小--->
.tup_1 {height: 150px;	width: 299px;	margin-top: 10px;	margin-right: 5px;	margin-bottom: 10px;margin-left: 5px;	overflow: hidden;	float: left;	border: 1px solid #1EA3E0;}
.tup_4 {width: 305px;	margin-top: 10px;	margin-bottom: 10px;margin-left: 5px;	overflow: hidden;	float: left;	border: 1px solid #10B0BC;}
.tup_3 {width: 640px;	margin-top: 10px;	margin-right: 5px;	margin-bottom: 10px;	overflow: hidden;	float: left;	border: 1px solid #10B0BC;}
.tup_3_1{width: 620px;margin-top: 5px;margin-right: 5px;	margin-bottom: 5px;	overflow: hidden;	float: left;	border: 1px solid #E2E2E2;	background-color: #F2FBFF;}
.tup_3_2{width: 620px;margin-top: 5px;margin-right: 5px;margin-bottom: 5px;overflow: hidden;float: left;height: 200px;background-color:#F2FBFF;background-image: url(dsejiemalas2017_YS_11.jpg);}
.tup_1_1{float: left;width: 122px;overflow: hidden;	background-color: #E6FBFB;	text-align: center;	margin-top: 10px;	margin-right: 5px;	margin-bottom: 10px;margin-left:3px;}
.tup_1_9 {float: left;width: 137px;overflow: hidden;text-align: center;height: 180px;margin: 5px;}
.tup_1_9_1 {float: left;width: 135px;overflow: hidden;text-align: center;height: 150px;margin: 2px;}
.tup_1_9_2 {float: left;width: 135px;overflow: hidden;text-align: center;height: 30px;margin: 3px;}
	
.tup_1_2 {	float: left;	width: 122px;	overflow: hidden;	margin-top: 5px;	margin-right: 5px;	margin-bottom: 10px;	margin-left: 3px;}
.tup_1_3 {	float: left;	width: 80px;	overflow: hidden;	text-align: center;	margin-top: 10px;	margin-right: 5px;	margin-bottom: 10px;	margin-left: 5px;	height: 100px;}
.tu_2 {
	height: 350px;
	width: 300px;
	margin-top: 10px;
	margin-right: 4px;
	margin-bottom: 10px;
	margin-left: 4px;
	overflow: hidden;
	float: left;
	border: 1px solid #FFFEC8;
}
.tu_2_1 {width:295px;	overflow: hidden;	height: 30px;	margin: 5px;	float: left;}
.tu_2_2 {	float: left;	width: 295px;	overflow: hidden;	height: 200px;	margin: 5px;}
.tu_3 {
	height: 155px;
	width: 205px;
	margin-top: 10px;
	margin-right: 7px;
	margin-bottom: 10px;
	margin-left: 7px;
	overflow: hidden;
	float: left;
}
.tu_3_1 {width: 225px;	overflow: hidden;	height: 30px; float: left;}
.tu_3_2 {	float: left;	width: 225px;	overflow: hidden;	height: 150px;	margin: 2px;}
.tu_4 {
	height: 340px;
	width: 230px;
	margin-top: 10px;
	margin-right: 7px;
	margin-bottom: 10px;
	margin-left: 7px;
	overflow: hidden;
	float: left;
}
.tu_4_1 {width: 215px;	overflow: hidden;	height: 30px; float: left;}
.tu_4_2 {	float: left;	width: 215px;	overflow: hidden;	height: 150px;	margin: 2px;}

.tu_5 {
	height: 130px;
	width: 285px;
	margin-top: 2px;
	margin-right: 7px;
	margin-bottom: 5px;
	margin-left: 7px;
	overflow: hidden;
	float: left;
}
.tu_6 {
	height: 200px;
	width: 320px;
	margin-top: 2px;
	margin-right: 7px;
	margin-bottom: 5px;
	margin-left: 7px;
	overflow: hidden;
	float: left;
}
.tu_7 {
	height: 190px;
	width: 200px;
	margin-top: 2px;
	margin-right: 5px;
	margin-bottom: 5px;
	margin-left: 5px;
	overflow: hidden;
	float: left;
}
.tu_16 {
	height: 410px;
	width: 205px;
	margin-top: 8px;
	margin-right: 8px;
	margin-bottom: 10px;
	margin-left: 8px;
	overflow: hidden;
	float: left;
	background-image: url(dsejiemalas2017_dian_12.gif);
	background-repeat: no-repeat;
	padding-top: 10px;
	padding-right: 8px;
	padding-left: 8px;
}
.tu_16_1 {	float: left;	width: 205px;	overflow: hidden;	
	margin-top: 5px;
	margin-right: 5px;
	margin-bottom: 2px;
	margin-left: 5px;}
.tu_16_2 {
	width: 205px;
	overflow: hidden;
	float: left;
	margin-top: 5px;
	margin-right: 5px;
	margin-bottom: 2px;
	margin-left: 5px;
}
.tu_17 {
	height: 420px;
	width: 220px;
	margin-top: 35px;
	margin-right: 10px;
	margin-bottom: 10px;
	margin-left: 10px;
	overflow: hidden;
	float: left;
	background-image: url(dsejiemalas2017_top_bg_13.jpg);
	background-repeat: no-repeat;
}
.tu_17_1 {	float: left;	width: 205px;	overflow: hidden;	height: 25px;	
	margin-top: 5px;
	margin-right: 5px;
	margin-bottom: 2px;
	margin-left: 5px;}
.tu_17_2 {
	width: 205px;
	overflow: hidden;
	height: 370px;
	float: left;
	margin-top: 5px;
	margin-right: 5px;
	margin-bottom: 2px;
	margin-left: 5px;
}

<!---控制左 中 右页面大小--->
.dy_zou {
	float: left;
	height: 310px;
	width: 410px;
	margin-top: 5px;
	margin-right: 5px;
	margin-left: 5px;
	margin-bottom: 5px;	
	overflow: hidden;
}
.dy_zou_1011 {
	float: left;
	height: 350px;
	width: 410px;
	margin-top: 10px;
	margin-right: 3px;
	margin-left: 10px;
	margin-bottom: 10px;
	overflow: hidden;
}
.dy_you {
	float: left;
	height: 350px;
	width: 550px;
	margin-top: 10px;
	margin-bottom: 15px;
	margin-right: 5px;
}
.dy_zou_11 {
	float: left;
	height:290px;
	width: 270px;
	margin-top: 10px;
	margin-left: 15px;
	margin-right: 5px;
	margin-bottom: 5px;
	overflow: hidden;
}
.dy_you_11 {
	float: left;
	height: 290px;
	width: 295px;
	overflow: hidden!important;
	margin-top: 10px;
	margin-bottom: 5px;
	margin-left: 5px;
}
.dy_zhong_11 {	float: left;	height: 290px;	width: 340px;	overflow: hidden!important;	margin-top: 10px; margin-bottom: 5px; margin-left: 5px; margin-right: 5px;}
.dy_zou_1 {
	float: left;
	height:320px;
	width: 295px;
	border: 1px solid #E2E2E2;
	margin-top: 5px;
	margin-right: 5px;
	margin-bottom: 5px;
	overflow: hidden;
}
.dy_you_1 {
	float: left;
	height: 320px;
	width: 295px;
	border: 1px solid #E2E2E2;
	overflow: hidden!important;
	margin-top: 5px;
	margin-bottom: 5px;
	margin-left: 5px;
}
.dy_zhong {	float: left;	height: 320px;	width: 340px;	border: 1px solid #E2E2E2;	overflow: hidden!important;	margin-top: 5px; margin-bottom: 5px; margin-left: 5px; margin-right: 5px;}
.dy_zou_2 {
	float: left;
	width: 470px;
	margin-top: 5px;
	margin-right: 5px;
	margin-bottom: 5px;
	overflow: hidden;
}
.dy_you_2 {
	float: left;
	width: 475px;
	overflow: hidden!important;
	margin-top: 5px;
	margin-bottom: 5px;
	margin-left: 5px;
}
.dy_zou_3 {
	float: left;
	height: 400px;
	width: 304px;
	margin-top: 5px;
	margin-right: 5px;
	margin-bottom: 5px;
	overflow: hidden;
	background-image: url(dsejiemalas2017_zsb_1.jpg);
}
.dy_you_3 {
	float: left;
	height: 400px;
	width: 640px;
	overflow: hidden!important;
	margin-top: 5px;
	margin-bottom: 5px;
	margin-left: 5px;
	background-image: url(dsejiemalas2017_gs_1.jpg);
}

.dy_zou_4 {
	float: left;
	height: 490px;
	width: 340px;
	margin-top: 10px;
	margin-right: 3px;
	margin-left: 8px;
	margin-bottom: 10px;
	overflow: hidden;
	background-image: url(dsejiemalas2017_n_1.png);
	background-repeat: no-repeat;
}
.dy_you_4 {
	float: left;
	height: 490px;
	width: 620px;
	margin-top: 10px;
	margin-bottom: 15px;
	margin-right: 5px;
}
<!---控制栏目背景--->
.subNav {	background-image: url(images/dsejiemalas2017_YS_21.jpg);	height: 50px;}
.subNav_10 {	background-image: url(images/dsejiemalas2017_YS_22.jpg);  width:980px;height: 58px;}
.bian_1 {
	border-top-width: 1px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-top-color: #0099FF;
	border-right-color: #0099FF;
	border-bottom-color: #0099FF;
	border-left-color: #0099FF;
}
.subNav_2{	background-image: url(images/dsejiemalas2017_biao_2.jpg);	height: 35px;}
.subNav_3{	background-image: url(images/dsejiemalas2017_biao_12.jpg);	height: 50px;}
.subNav_1 {
	margin: 5px;
}.subNav_5 {
	margin: 0px;
	background-image: url(dsejiemalas2017_beijing_1.jpg);
	background-repeat: repeat-x;
	height: 420px;}

.subNav_6 {
	background-image: url(dsejiemalas2017_12_21.jpg);
	background-repeat: repeat-x;
	height: 469px;
	margin-top: 0px;
	margin-right: 10px;
	margin-bottom: 0px;
	margin-left: 10px;
}
.subNav_7 {
	background-image: url(dsejiemalas2017_xc11.jpg);
	background-repeat: no-repeat;
	height: 380px;
	margin-top: 0px;
	margin-right: 10px;
	margin-bottom: 0px;
	margin-left: 10px;
	width: 960px;
}
.bj_2011 {
	background-image: url(dsejiemalas2017_bjing.jpg);
	background-repeat: repeat;
}
.dian_1 {
	background-image: url(dsejiemalas2017_dian_11.jpg);
	background-repeat: repeat-x;
	margin: 5px;
	height: 10px;
}