.warp{width:975px;height:235px;margin:0 auto; background-color:#f1f1f1;}
.warp h2{text-align:center;font-size:30px;/* font-family:Arial; */color:#393939;line-height:100px;}
.warp p{width:580px;margin:0 auto;line-height:2;color:#777;}
.content{width:975px;height: 3450px;margin:0 auto;overflow:hidden;}
.history_left,.history_right{position:relative;}
.history_left div,.history_right div{position:absolute;}
.history_left{width:485px;height:3500px;border-right:1px solid #e2e2e2;float:left;}
.history_left div{border-right:none !important;overflow:hidden;right:0;}
.left_1{width:287px;height:258px;top:26px;}
.left_2{width:316px;height:266px;top:374px;}
.left_3{width:357px;height:266px;top:737px;}
.left_4{width: 485px;height: 263px;top:1004px;}
.left_5{width:316px;height:269px;top: 1268px;}
.left_6{width: 407px;height: 264px;top:1538px;}
.left_7{width: 430px;height:271px;top:1803px;}
.left_8{width: 407px;height: 265px;top:2075px;}
.left_9{width: 289px;height: 313px;top: 2341px;}
.left_10{width:357px;height:270px;top:2844px;}
.left_11{width:286px;height:252px;top:3204px;}
.history_right{width:485px;height:3500px;float:left;}
.history_right div{border-left:none !important;overflow:hidden;}
.right_1{width: 483px;height:258px;top:26px;}
.right_2{width:341px;height:247px;top:285px;}
.right_3{width:258px;height: 261px;top: 533px;}
.right_4{width: 408px;height: 263px;top:795px;}
.right_5{width:356px;height:265px;top: 1059px;}
.right_6{width:357px;height: 265px;top:1538px;}
.right_7{width: 429px;height: 270px;top:1804px;}
.right_8{width: 345px;height: 265px;top:2075px;}
.right_9{width: 356px;height: 313px;top: 2341px;border: none;}
.right_10{width: 275px;height: 269px;top: 2655px;}
.right_11{width: 430px;height: 189px;top:2925px;}
.right_12{width:299px;height:237px;top:3115px;}