html,body{margin:0;padding:0}.pagebox{position:relative}body{padding:0;margin:0;width:100%;height:auto;font-family:"微软雅黑";font-size:14px;color:#333;overflow-x:hidden}.clear{clear:both;height:0 !important}ul{padding:0;margin:0;list-style-type:none}a{text-decoration:none}a:hover{text-decoration:none}#c_portalResnav_main-1560147537734 .header .navbar_nav li.dropdown:nth-child(3) .dropdown_menu{width:180px}