.topnav{ background-color: #f3f3f3;}
.topnav p{ display: flex;width:1200px;}
.topnav p a{ font-size:12px; line-height:25px; color:#333}
.topnav p a::after{ content: "-"; padding-left: 14px; }
.topnav p a:last-child::after { content: none; }

.box {width: 1200px;}
.box .top_logo{float: left;width: 665px;padding-top:29px;}
.box .top_logo h1{color:#F64904;line-height: 58px;font-size: 29px;}
.box .top_logo img{float:left; margin-right: 12px; border-right: 1px #7f7f7f solid; padding-right: 10px;}    
.box .logintechnology{width:530px;margin-top:0;}
.box .logintechnology .trig{line-height:0; padding-top:25px;}
.box .logintechnology .trig a{padding:0; padding-left:9px;color:#7F7F7F;cursor: pointer;}
.box .logintechnology .search{margin:0;margin-top: 25px;}
.box .logintechnology .search .seainput{height:35px;font-size: 14px;line-height:0;padding-left: 10px;border: 1px #7F7F7F solid;color: #7f7f7f;}
.box .logintechnology .search .seasubmit{width:76px;height:37px;background: #7F7F7F url(../images/search_white.png) center center no-repeat;background-size: 23px;cursor: pointer;transform: scaleX(-1);}

.nav ul{ display: flex; list-style: none;}
.nav ul li{background:none; padding:0;}
.nav ul li::after{ content: "|"; color:#fff;padding-left:4px; }
.nav ul li:last-child::after { content: none; }
.nav ul li a{cursor: pointer;}
.nav ul .xiala_two { display:none;background: #fff; position: absolute; z-index: 1000; margin-left: -7px; }
.nav ul .xiala_two li{ float: none; border:1px #7f7f7f solid;border-top:none;width:130px;display:flow;padding-left: 18px;line-height: 29px;}
.nav ul .xiala_two li a{color:#000; font-size: 13px;font-family: Arial, "΢ÈíÑźÚ";font-weight: normal;}
.nav ul .xiala_two li:hover{background-color:#f3f3f3;}
.nav ul .xiala_two li::after{content: ' ';position: absolute;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:6px solid #7f7f7f; margin-top:8px; margin-left: 8px;  left: 0;}
.nav ul .selectclass_xiala:hover >.xiala_two{display:block;}
.nav ul .selectapp_xiala:hover >.xiala_two{display:block;}
.nav ul .selectman_xiala:hover >.xiala_two{display:block;}