.addclass{border-bottom: 3px solid red;}.top-contain{clear: both;height: 32px;margin: 0 auto;padding-top: 7px;font-size: 12px;}.top-nav li a:hover, .top-right ul li a:hover, .footer-nav li a:hover{color: #fe4040;}.top-right ul{float: right;margin-top: 5px;*margin-top:7px;width: 140px;_width: 150px;height: 18px;}.top-right ul li{margin-left: 10px;height: 18px;line-height: 18px;}.contain-nav{font-size: 18px;position: relative;}.contain-nav li{float: left;margin: 0 20px 0 0;}.contain-nav li a{display: block;width: 100%;height: 100%;color: #666;float: left;font-weight: bold;font-size: 17px;padding: 10px;}.contain-nav li a.cur, .contain-nav li a:hover{background: #ff7939;color: #fff;}.contain-main{background: url(../images/itac-line.html) #f7f7f7;padding: 5px;border: 1px solid #e5e5e5;}.main-border{background: none repeat scroll 0 0 white;border: 1px solid #e5e5e5;padding: 30px;}.main-txt{padding-top: 20px;min-height: 500px;height: auto;_height: 500px;}.main-txt h3{display: block;height: 100px;line-height: 100px;}.main-txt .body{line-height: 30px;}.main-txt p{margin-top: 20px;text-indent: 2em;}.title-txt{background: #fff;font-family: serif;margin: -15px auto 0;_margin: 0 auto;overflow: visible;width: 115px;_width: auto;color: #666;text-align: center;font-size: 20px;position: relative;z-index: 99;}.title-txt h2{font-weight: bold;}.title{clear: both;height: 32px;margin-bottom: 18px;position: relative;}.line{border-bottom: 1px solid #eee;position: absolute;width: 100%;top: 12px;z-index: 1;left: 0;right: 0}