.banner_wrap,.content_all{width:100%; margin:0 auto; overflow:hidden;}
.content{width:1000px; margin:0 auto; overflow:hidden;}
.banner{width:1000px; margin:0 auto; overflow:hidden;}
.content_left,.content_center,.content_right{ float:left;}
.content_left{ width:252px;}
.content_right{ width:746px; float:left; background:url(/eportal/fileDir/zhzjteng/resource/cms/2015/05/2015052514383617199.jpg) repeat-y; overflow:hidden;min-height:580px; }

.cont_1{ width:252px; background:url(/eportal/fileDir/zhzjteng/resource/cms/2015/05/2015052512435347545.jpg) repeat-y; min-height:280px;}
.left_nav_bottom{ width:252px; height:20px;overflow:hidden; background:url(/eportal/fileDir/zhzjteng/resource/cms/2015/05/left_2.jpg) no-repeat;}
.content_top{ width:252px; background:url(/eportal/fileDir/zhzjteng/resource/cms/2015/05/ze_bg.jpg) repeat-y; min-height:300px;}
.content_bottom{ width:252px; height:9px; background:url(/eportal/fileDir/zhzjteng/resource/cms/2015/05/zc_bottom.jpg) no-repeat; overflow:hidden;}