.voice_2 { width: 1400px; position: relative; left: 50%; margin-left: -690px;}
.voice_2 ul li { float: left; display: inline; height: 518px; color: #fff; cursor: pointer; position: relative;}
.voice_2 ul li.li1 { background:url(6.jpg) no-repeat center;}
.voice_2 ul li.li2 { background:url(7.jpg) no-repeat center;}
.voice_2 ul li.li3 { background:url(8.jpg) no-repeat center;}
.voice_2 ul li.li4 { background:url(9.jpg) no-repeat center;}
.voice_2 ul li.li5 { background:url(10.jpg) no-repeat left;}
.voice_2 ul li.li6 { background:url(11.jpg) no-repeat center;}
.voice_2 ul li.li7 { background:url(12.jpg) no-repeat center;}
.tb{margin-top:40px;margin-bottom:100px;}
.voice_2 .fold {background: rgba(0,0,0,.4); width: 80px; height: 100%; text-align: center; position: absolute; top: 0px; left: 0px;}
.voice_2 .fold .txt { font-size: 28px; display: block; width: 25px;  margin: 0px 30px; }
.voice_2 .fold:hover{ color:#bd1a2d; font-weight:bold;}
.voice_2 .unfold { width: 980px; height: 100%; display: none; position: absolute; top: 0px; left: 0px;}
.voice_2 .unfold dl { margin: 40px 60px 0px 40px;}
.voice_2 .unfold dt { width: 100%;  margin-bottom: 100px;}
.voice_2 .unfold dd { font-size: 18px; line-height: 35px;}
.voice_2 .unfold dd b { font-size: 30px; font-weight: normal;}
.voice_2 .unfold dd b a { font-size: 14px; display: inline-block; color: #fff; margin-left: 40px;}