#header {background:#fff;} 

.top_logo{float:left;display:inline;width:100%;height:112px;overflow:hidden;background:#fff;border-top:1px solid #aaaaab;}
.top_logo .top_logo_nr{width:1100px;height:112px;overflow:hidden;margin:0 auto;background:url(/zt/zt_btty/images/top_logo.jpg) no-repeat;}
.top_logo .top_logo_nr ul{float:left;display:inline;width:470px;height:48px;overflow:hidden;margin:35px 0px 0px 368px;text-indent:-9999px;}
.top_logo .top_logo_nr ul li{float:left;display:inline;height:48px;overflow:hidden;font-size:14px;color:#434343;font-weight:bold;text-align:center;line-height:20px;padding-top:4px;text-indent:-9999px;}

.top_nav{float:left;display:inline;width:100%;height:90px;overflow:hidden;background-color:#D43839;}
.top_nav .top_nav_nr{width:1100px;height:90px;overflow:hidden;margin:0 auto;position:relative;}
.top_nav .top_nav_nr h3{float:left;display:inline;width:157px;height:90px;cursor:pointer;font-weight:100;}
.top_nav .top_nav_nr h3.sele{background:#FF916A;}
.top_nav .top_nav_nr h3 span{float:left;display:inline;width:157px;height:25px;font-size:18px;line-height:25px;text-align:center;color:#fff;margin-top:25px;font-family:Microsoft YaHei,SimHei,STHeit;}
.top_nav .top_nav_nr h3 font{float:left;display:inline;width:157px;height:20px;font-size:12px;line-height:20px;text-align:center;color:#fff;font-family:Microsoft YaHei,SimHei,STHeit;}
.top_nav .top_nav_nr h3 a{color:#FFF;}
.top_nav .top_nav_nr h3 a:hover{text-decoration:none;}
.top_nav .top_nav_nr ul{position:absolute;overflow:hidden;left:0px;top:0px;display:none;width:0px;height:0px;}
.top_nav .top_nav_nr ul li{float:left;display:none;width:0px;height:0px;}
.top_nav .top_nav_nr ul.show{display:none;}


.zt_banner{float:left;display:inline;width:100%;height:516px;overflow:hidden;background:url(/zt/zt_btty/images/banner_bj.jpg) top center no-repeat;}
.zt_banner .banner_nr{width:1100px;height:516px;overflow:hidden;margin:0 auto;position:relative;}
.zt_banner .banner_nr p{float:left;display:inline;width:1100px;height:258px;overflow:hidden;text-indent:-9999px;}
.zt_banner .banner_nr p.p_1{background:url(/zt/zt_btty/images/banner_1.jpg) no-repeat;}
.zt_banner .banner_nr p.p_2{background:url(/zt/zt_btty/images/banner_2.jpg) no-repeat;}
.zt_banner .banner_nr p a{float:left;display:inline;width:183px;height:56px;overflow:hidden;text-indent:-9999px;margin:24px 0px 0px 57px;}

.mk1{float:left;display:inline;width:100%;height:412px;background-color:#D43839;}
.mk1 .mk1_nr{width:1100px;height:412px;overflow:hidden;margin:0 auto;}
.mk1 .mk1_nr h3{float:left;display:inline;width:578px;height:64px;overflow:hidden;text-indent:-9999px;background:url(/zt/zt_btty/images/mk1_h3.jpg) no-repeat;margin:51px 0px 0px 261px;}
.mk1 .mk1_nr img{float:left;display:inline;width:287px;height:205px;overflow:hidden;margin:51px 0px 0px 20px;}
.mk1 .mk1_nr p{float:left;display:inline;width:710px;height:143px;overflow:hidden;margin:45px 0px 0px 48px;text-indent:2em;font-size:18px;color:#FFF;font-family:Microsoft YaHei,SimHei,STHeit;line-height:35px;}
.mk1 .mk1_nr a{float:left;display:inline;width:140px;height:45px;overflow:hidden;margin-left:612px;background:url(/zt/zt_btty/images/mk1_bj.jpg) no-repeat;text-indent:-9999px;}
.mk1 .mk1_nr a:hover{opacity:0.6;filter:alpha(opacity=60);}

.mk2{float:left;display:inline;width:100%;height:927px;background-color:#FFF;}
.mk2 .mk2_nr{width:1100px;height:927px;overflow:hidden;margin:0 auto;}
.mk2 .mk2_nr h3{float:left;display:inline;width:621px;height:64px;overflow:hidden;text-indent:-9999px;background:url(/zt/zt_btty/images/mk2_h3.jpg) no-repeat;margin:48px 0px 0px 255px;}
.mk2 .mk2_nr img{float:left;display:inline;width:901px;height:169px;overflow:hidden;margin-left:120px;}
.mk2 .mk2_nr a{float:left;display:inline;width:548px;height:72px;overflow:hidden;margin-left:276px;text-indent:-9999px;background:url(/zt/zt_btty/images/mk2_bj.jpg) no-repeat;}
.mk2 .mk2_nr a:hover{opacity:0.6;filter:alpha(opacity=60);}

.mk3{float:left;display:inline;width:100%;height:649px;background-color:#D43839;}
.mk3 .mk3_nr{width:1100px;height:649px;overflow:hidden;margin:0 auto;}
.mk3 .mk3_nr h3{float:left;display:inline;width:578px;height:64px;overflow:hidden;text-indent:-9999px;background:url(/zt/zt_btty/images/mk3_h3.jpg) no-repeat;margin:51px 0px 0px 261px;}
.mk3 .mk3_nr p{float:left;display:inline;overflow:hidden;}
.mk3 .mk3_nr p span{float:left;display:inline;font-size:18px;color:#707070;font-family:Microsoft YaHei,SimHei,STHeit;line-height:28px;text-indent:2em;overflow:hidden;}
.mk3 .mk3_nr p.p_1{width:348px;height:458px;overflow:hidden;margin:18px 0px 0px 39px;background:url(/zt/zt_btty/images/mk3_bj1.jpg) no-repeat;}
.mk3 .mk3_nr p span.span_1{width:150px;height:130px;margin:37px 0px 0px 21px;}
.mk3 .mk3_nr p span.span_2{width:180px;height:145px;margin:103px 0px 0px 105px;}
.mk3 .mk3_nr p.p_2{width:318px;height:458px;overflow:hidden;margin:18px 0px 0px 0px;background:url(/zt/zt_btty/images/mk3_bj2.jpg) no-repeat;}
.mk3 .mk3_nr p a{float:left;display:inline;overflow:hidden;text-indent:-9999px;margin:289px 0px 0px 91px;width:140px;height:45px;}
.mk3 .mk3_nr p.p_3{width:309px;height:458px;overflow:hidden;margin:18px 0px 0px 0px;background:url(/zt/zt_btty/images/mk3_bj3.jpg) no-repeat;}
.mk3 .mk3_nr p span.span_3{width:170px;height:150px;margin:148px 0px 0px 106px;}

.mk4{float:left;display:inline;width:100%;height:621px;background-color:#FFF;}
.mk4 .mk4_nr{width:1100px;height:621px;overflow:hidden;margin:0 auto;}
.mk4 .mk4_nr h3{float:left;display:inline;width:744px;height:64px;overflow:hidden;text-indent:-9999px;background:url(/zt/zt_btty/images/mk4_h3.jpg) no-repeat;margin:59px 0px 0px 178px;}
.mk4 .mk4_nr p{float:left;display:inline;width:228px;height:353px;overflow:hidden;margin-top:68px;}
.mk4 .mk4_nr p.p_1{background:url(/zt/zt_btty/images/mk4_bj1.jpg) no-repeat;}
.mk4 .mk4_nr p.p_2{background:url(/zt/zt_btty/images/mk4_bj2.jpg) no-repeat;margin-left:45px;}
.mk4 .mk4_nr p.p_3{background:url(/zt/zt_btty/images/mk4_bj3.jpg) no-repeat;margin-left:45px;}
.mk4 .mk4_nr p.p_4{background:url(/zt/zt_btty/images/mk4_bj4.jpg) no-repeat;margin-left:45px;}
.mk4 .mk4_nr p span{float:left;display:inline;width:185px;height:110px;overflow:hidden;margin:185px 0px 0px 18px;font-size:18px;color:#313131;font-family:Microsoft YaHei,SimHei,STHeit;line-height:30px;}
.mk4 .mk4_nr p a{float:left;display:inline;text-indent:-9999px;margin-left:50px;width:123px;height:37px;overflow:hidden;background:url(/zt/zt_btty/images/mk4_bj.png) no-repeat;}
.mk4 .mk4_nr p a:hover{opacity:0.6;filter:alpha(opacity=60);}

.mk5{float:left;display:inline;width:100%;height:1177px;background-color:#D43839;}
.mk5 .mk5_nr{width:1100px;height:1177px;overflow:hidden;margin:0 auto;}
.mk5 .mk5_nr h3{float:left;display:inline;width:840px;height:64px;overflow:hidden;text-indent:-9999px;background:url(/zt/zt_btty/images/mk5_h3.jpg) no-repeat;margin:44px 0px 0px 130px;}
.mk5 .mk5_nr img{float:left;display:inline;width:565px;height:279px;overflow:hidden;margin:57px 0px 0px 268px;}
.mk5 .mk5_nr p{float:left;display:inline;width:780px;height:auto;text-indent:2em;font-size:18px;color:#FFF;font-family:Microsoft YaHei,SimHei,STHeit;line-height:35px;margin-left:154px;}
.mk5 .mk5_nr p.p_1{margin-top:34px;height:72px;}
.mk5 .mk5_nr p.p_2{height:134px;}
.mk5 .mk5_nr a{float:left;display:inline;width:209px;height:44px;overflow:hidden;background-color:#FFF799;line-height:44px;text-align:center;font-size:18px;color:#D43839;font-family:Microsoft YaHei,SimHei,STHeit;margin-left:446px;border-radius:4px;font-weight:bold;}
.mk5 .mk5_nr a:hover{opacity:0.6;filter:alpha(opacity=60); text-decoration:none;}
.mk5 .mk5_nr .xmk{float:left;display:inline;width:1100px;height:337px;overflow:hidden;background:url(/zt/zt_btty/images/mk5_bj.jpg) no-repeat;margin-top:58px;}
.mk5 .mk5_nr .xmk span{float:left;display:inline;width:675px;height:60px;overflow:hidden;font-size:18px;color:#59493F;font-family:Microsoft YaHei,SimHei,STHeit;margin-left:364px;line-height:30px;text-indent:2em;}
.mk5 .mk5_nr .xmk span font{font-size:18px;color:#D43839;font-weight:bold;}
.mk5 .mk5_nr .xmk span.span_1{margin-top:22px;}
.mk5 .mk5_nr .xmk span.span_2{margin-top:27px;}
.mk5 .mk5_nr .xmk span.span_3{margin-top:31px;}

.mk6{float:left;display:inline;width:100%;height:572px;background-color:#FFF;}
.mk6 .mk6_nr{width:1100px;height:572px;overflow:hidden;margin:0 auto;}
.mk6 .mk6_nr h3{float:left;display:inline;width:638px;height:64px;overflow:hidden;text-indent:-9999px;background:url(/zt/zt_btty/images/mk6_h3.jpg) no-repeat;margin:56px 0px 0px 231px;}
.mk6 .mk6_nr img{float:left;display:inline;width:550px;height:320px;margin-top:75px;overflow:hidden;}



.foot_nav .foot_nav_nr{width:1100px;height:64px;overflow:hidden;margin:0 auto;position:relative;}
.foot_nav .foot_nav_nr h3{float:left;display:inline;width:157px;height:64px;cursor:pointer;font-weight:100;}
.foot_nav .foot_nav_nr h3.sele{color:#CC0000;background:#EC6100;}
.foot_nav .foot_nav_nr h3 span{float:left;display:inline;width:157px;height:25px;font-size:18px;line-height:25px;text-align:center;color:#fff;margin-top:12px;font-family:Microsoft YaHei,SimHei,STHeit;}
.foot_nav .foot_nav_nr h3 font{float:left;display:inline;width:157px;height:20px;font-size:12px;line-height:20px;text-align:center;color:#fff;font-family:Microsoft YaHei,SimHei,STHeit;}
.foot_nav .foot_nav_nr h3 a{float:left;display:inline;width:100%;height:100%;color:#FFF;}
.foot_nav .foot_nav_nr h3 a:hover{text-decoration:none;}
.foot_nav .foot_nav_nr ul{position:absolute;overflow:hidden;left:0px;top:0px;display:none;width:0px;height:0px;}
.foot_nav .foot_nav_nr ul li{float:left;display:none;width:0px;height:0px;}
.foot_nav .foot_nav_nr ul.show{display:none;}

.foot_nav{float:left;display:inline;width:100%;height:64px;overflow:hidden;background-color:#D43839;}
.foot_nav .foot_nav_nr h3.sele{background:#FF916A;}
.foot {float: left;display: inline;width: 100%;height: 196px;overflow: hidden;}
.foot .foot_nr{width:1100px;height:196px;overflow:hidden;margin:0 auto;}
.foot .foot_nr p{float:left;display:inline;width:1100px;height:30px;line-height:30px;text-align:center;font-size:14px;color:#535353;font-family:Microsoft YaHei,SimHei,STHeit;}
.foot .foot_nr p.p_1{margin-top:21px;}

/****返回头部****/
.zt_fhdb{position:fixed;_position:absolute; _bottom:auto;_top:expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop,10)||0)-(parseInt(this.currentStyle.marginBottom,10)||0)));
 overflow:hidden; width:60px; height:60px; right:60px; top:500px; background:url(/zt/zt_btty/images/zt-fhdb.png) no-repeat; text-indent:-9999px; display:none;}
.zt_fhdb:hover{background:url(/zt/zt_btty/images/zt-fhdb2.png) no-repeat;}