.wrapper{width: 100%;}
.wrap{width: 1100px;margin:0 auto;overflow: hidden;}
.head_con{width: 1200px;margin:0 auto;padding-top: 10px;overflow: hidden;}
.logo{background:url(../images/logo.png) no-repeat;float: left;width: 130px;height: 50px;}
            .head_con ul{float: right;margin-top: 10px;}
            .head_con ul li{float: left;position: relative;margin-right: 30px;font-size: 16px;color: #777;cursor: pointer;}
            .head_con ul li a{color: #777;}
            li i{position: absolute;border-left:1px solid #fff;border-bottom:1px solid #fff;transform: rotate(314deg);width: 5px;height: 5px;right: -12px; top: 6px;}
            .head_con ul .br4{border:1px solid #fff;margin-right: 15px;width: 60px;height: 30px;line-height: 30px;border-radius: 2px;
                text-align: center;margin-top: -4px;}
            .head_con ul .br3{background:#fff;color: #23B9CB;width: 96px;height: 32px;line-height: 32px;
                text-align: center;border-radius: 2px;margin-top: -4px;}
                .slide_wrap{width: 100%;height: 250px;background: #fff;position: absolute;top:60px;left:0;display: none;z-index: 30}
            .slide_con{width: 1200px;margin:0 auto;}
            .slide_con ul{margin-top: 30px;overflow: hidden;}
            .slide_con li{float: left;width: 223px;margin-right: 20px;margin-bottom: 20px;}
            .slide_con li a{display: block;height: 75px;overflow: hidden;}
            .slide_con li a:hover{background: #f5f6f7;}
            .tit{border-left: 6px solid #23B9CB;font-size: 16px;height: 16px;padding-left:10px ;margin-top: 30px;line-height: 13px;margin-left: 5px;}
            .slide_con p{font-size: 18px;color:#555;margin: 10px 0 10px 10px;}
            .slide_con span{font-size: 14px;color:#999;display: block;padding-left: 10px;}
            .wrap h3{font-size: 26px;margin:80px auto 0;color:#555;text-align: center;font-weight: normal;}   
            h4{font-size: 14px;color: #999;text-align: center;margin:15px auto 30px;font-weight: normal;}
            .system_list{margin:60px auto;padding-left: 25px;}
            .system_list li{float: left;width: 330px;height: 400px;border:1px solid #ddd;position: relative;margin-right: 30px;}
            .system_list li img{width: 72px;height: 72px;margin: 20px auto;}
            .img_title{font-size: 20px;color: #555;text-align: center;}
            .img_txt{width: 284px;margin:25px auto 0;line-height: 28px;font-size: 14px;color: #777;}
            .system_list li .abs_a{width: 88px;height: 38px;position: absolute;bottom: 30px;text-align: center;line-height: 38px;color: #23B9CB;border:1px solid #23B9CB;
                font-size: 14px;}
            .system_list li .a1{left:20px;}
            .system_list li .a2{left:120px;}
            .system_list li .a3{left:220px;}