        header{width: 100%;min-height: 100px;}
        .nave_banner{background: url("../img/banner7.jpg");height:480px;}
        .navbar{padding: 1rem 1rem}
        .navbar-light .navbar-nav .nav-link{width: 191px;text-align: center}
        .nav-link.active{border-bottom: 1px solid #fff}
        .navbar-nav a:hover{border-bottom: 1px solid #fff}
        .messed{width: 100%;height:auto;background: #F4F4F7;font-size: 16px;color: #373737;}
        .mess{width: 200px;height: 52px;font-size: 16px;color: #363636;line-height: 16px;    background: #F4F4F7;}
        .mess:hover{width: 200px;height: 52px;font-size: 16px;color: #fff;line-height: 16px;    background: #245AEC;}
        .mess:focus{outline: none;border: 0;}
        .mess_active{width: 200px;height: 52px;font-size: 16px;color: #fff;line-height: 16px;background: #245AEC;text-align: center}
        .bottom {background: #000;padding-top: 80px}
        .border-bottom{border-bottom: 1px solid #3B3B3B !important;}
        .meun-list{font-size: 12px;color: #A0A0A0;padding: 17px 80px;margin-bottom: 60px}
        .meun-list a{text-align: center;color: #A0A0A0}
        .meun-list a:hover{text-align: center;color: #fff}
        a{text-decoration: none;color: #373738}
        a:hover {text-decoration: none;}
        .link{font-size: 12px;color: #A0A0A0;padding-bottom: 80px;}
        .section{margin-top: 96px;margin-bottom: 112px}
        .part1{font-size: 20px;color: #000;font-weight: 500}
        .part2{color: #444445;font-weight: 400;line-height: 50px}
        .show{margin-top: 105px;}
          .box{position: relative;display: inline-block;margin-bottom: 112px}
		#roll{width: 80%}
		#roll dd{width: 349px;height: 280px;float: left;}
		.box span{position: absolute;bottom: 40%; left:-66px; display: inline-block;width: 50px;text-align: center;cursor: pointer;z-index: 90;color: #000;}
		.box .next{right: -66px; left:auto;}
        .explain{background: #fff;width: 259px;height: 46px}
         .scenario_name{font-size: 24px;color: #000A15;margin-top: 108px}
        .scenario_names{font-size: 24px;color: #000A15;margin-bottom: 86px;}
        .development{background: #F4F4F7}
        .btns{padding-bottom:  103px}
        .btn-light{background: #F4F4F7;border-color:#D2D2D2 }
        .btn{width: 130px;height: 43px}
        .ai{margin-top: 35px;margin-bottom: 53px}
        .banners{margin-top: 70px;margin-bottom: 110px}
        .address{height: 210px;width: 333px;background: #F9F9F9}
        .are{margin-bottom: 90px}