/* CSS Document */
*{margin:0; padding:0;}
body{background:url(../images/bg.jpg) #232a23 0 0 repeat-x; font:12px "宋体",Arial;}
ul,li{list-style:none;}
img{border:0;}

/* display */
.fl{float:left;}
.fr{float:right;}
.no{display:none;}

/* header */
.header_top{height:256px; background:url(../images/bg_header_top.jpg) center top no-repeat;}
.header_bottom{height:131px; background:url(../images/bg_header_bottom.jpg) center top no-repeat;}
.header_bottom .btn{position:absolute; left:429px; top:0; width:436px; height:116px;}
.header_bottom .btn img{float:left; width:436px; height:116px;}

/* container */
.container{min-height:321px; _height:321px; background:url(../images/bg_cot.jpg) center top no-repeat;}
.COT{position:relative; width:1000px; margin:0 auto; z-index:50;}
.main{width:990px; margin:0 auto;}

/* nav */
.nav{width:592px; height:277px; padding-left:398px;}
.nav dt{width:238px; height:191px; padding-right:155px;}
.nav dd{width:191px; padding-top:11px;}
.nav dd dd{width:100%; height:33px; padding:0 0 34px 0;}
.nav dd dd img{float:left;}

/* part */
.part{width:990px; background:url(../images/bg_line.jpg) left bottom no-repeat; color:#677069; line-height:24px;}
.part dt, .part dd{float:left;}
.part dt{width:398px; padding-right:20px;}
.part dt img{float:left;}
.part dd{width:490px;}
.part dd p{padding-top:24px;}
.part1{height:327px; }
.part1 dt{width:218px; height:167px; padding:146px 0 0 180px; background:url(../images/img_part1.jpg) 0 0 no-repeat;}
.part1 dd{padding-top:17px;}
.part2{height:231px;}
.part2 dt{width:218px; height:90px; padding:136px 0 0 180px; background:url(../images/img_part2.jpg) 0 0 no-repeat;}
.part2 dd{padding-top:10px;}
.part3{height:241px; background:none;}
.part3 dt{width:218px; height:90px; padding:130px 0 0 180px; background:url(../images/img_part3.jpg) 0 0 no-repeat;}
.part3 dd{padding-top:34px;}
.part1 dt img, .part2 dt img, .part3 dt img{display:inline; float:left; margin-right:5px;}


/* ad_list */
.ad_list{width:972px; height:168px; padding-left:18px; background:url(../images/bg_ad_list.jpg) 0 0 no-repeat; color:#4b4b37; line-height:20px;}
.ad_list a{color:#4b4b37;}
.ad_list a:hover{text-decoration:underline;}
.ad_list img, .ad_list dt, .ad_list dd{float:left;}
.ad_list dt{width:100%; height:29px; padding-top:16px;}
.ad_list dd{padding-right:20px;}
.ad_list dd img{float:left;}
.ad_list dd span{width:100%; padding-top:7px;}
.ad_list dd.list_part1{width:280px;}
.ad_list dd.list_part2{width:161px;}

/* foot */
.foot{width:100%; padding:39px 0 30px 0; text-align:center;}
.foot dd{padding-top:10px;}