.zt_top {
            width: 100%;
            height: 400px;
            background: url(zt_bg_top.gif) no-repeat center;
        }
        
        .top_po {
            width: 1200px;
            margin: 0 auto;
            position: relative;
        }
        

        .fhsy {
            width: 120px;
            height: 40px;
            text-align: center;
            line-height: 40px;
            font-size: 18px;
            font-weight: bold;
            background: #fff;
            border-radius: 5px;
            position: absolute;
            top: 20px;
            right: 0;
            color: #b12816;
        }
        
        .nav{width:100%;height:50px;background:#d70101;position:relative;z-index:99999;}
		.nav .w1200{height:50px;background:#d70101;overflow:visible;}
		.nav ul{width:1200px;height: 50px; margin: 0 auto;}
		.nav ul li{width:190px;float:left;font-size:17px;text-align: center;}
		.nav ul li p{width:100%;height:50px;line-height:50px;}
		.nav ul li p a{width:100%;height:50px;line-height:50px;text-align:center;color:#fff;font-weight:bold;}

.w1100 {
	width:1200px;
	margin:0 auto;
	
}


.article_title{padding-bottom: 20px;border-bottom: 1px solid #b7b7b7;width:1000px;margin: 0 auto;}
.article_title h1{font-size: 25px;text-align: center;color: #333333;line-height:1.8;}
.article_title h2{font-size: 20px;text-align: center;color: #333333;line-height:1.8;}
.source{text-align: center;width:1000px;margin: 0 auto;}
.source p{line-height: 50px;font-size: 15px;color: #999999;}
.source .font{line-height: 50px;font-size: 15px;color: #333333}

.bk-tabs .book-wrap {
  width: 1000px;
  height: 518px;
  margin: 0 auto;
  margin-bottom: 30px;
  background: url(book-border.png) center;
}

.bk-tabs .book-wrap .left-list-content {
  float: left;
  margin-left: 48px;
  padding-top: 35px;
  width: 230px;
}

.bk-tabs .book-wrap .left-list-content li {
  padding: 8px 0;
  font: 20px 'MicrosoftYaHei';
  border-bottom: 1px solid #b21212;
  cursor: pointer;
}

.bk-tabs .book-wrap .left-list-content li span {
  display: inline-block;
  width: 100%;
  padding: 2px 0 4px 3px;
}

.bk-tabs .book-wrap .left-list-content li.active span {
  background: #ac0101;
  color: #fff;
}

.bk-tabs .book-wrap .right-tab-content {
  position: relative;
  margin-left: 348px;
  padding-top: 10px;
}

.bk-tabs .book-wrap .right-tab-content .btn-next-page {
  position: absolute;
  right: 20px;
  bottom: 20px;
  width: 102px;
  z-index: 2;
  cursor: pointer;
}

.bk-tabs .book-wrap .right-tab-content .tab-content {
  display: none;
}

.bk-tabs .book-wrap .right-tab-content .tab-content:first-child {
  display: block;
}

.bk-tabs .book-wrap .right-tab-content .tab-content.show {
  display: block;
}