// *{margin:0;padding:0;}
// ul li{list-style:none;}
// a{text-decoration: none;}
// .headerbg{font-family: "微软雅黑";font-size: 16px;background: #979797;width: 100%;position:absolute;top:0;z-index:99;height:80px;}
// .head{width: 1100px; height: 80px; background: #979797;margin: 0 auto;}
// .nav {float: left;margin-left: 20px;}
// .nav li{float: left;width:84px;text-align:center;background: #979797;cursor: pointer;}
// .nav a{text-align: center;line-height: 80px; color: black;}
// .logo{float: left;}.sign{float: left;}
// .logo img{width: 200px; height: 50px;margin-top: 10px;}
// i{font-style: normal;}
// .nav span{display: none;} .nav a:hover i{display: none;}
// .nav a:hover span{display: block;color: white}
// .ul2{display:none;}
// .nav .ul1 .li:hover .ul2{display: block;}
// .ul2 li a{line-height: 40px;}
// .ul2 li:hover{width:84px;height:40px;line-height: 40px;background: gray;transition: 1s}
// /*this is search*/
// form{width: 140px;height: 22px;border: 1px solid #ccb69f;margin: 30px 0 0 20px;border-radius: 10px;}
// .text{width: 110px;height: 22px;border:0; float: left;text-indent: 5px;border-radius: 10px 0 0 10px;outline: none;}
// .sub{width: 30px;height: 22px;border: 0;background:url(../images/search.jpg) no-repeat center white;float: left;border-radius: 0 10px 10px 0;outline: none;cursor: pointer;}
// .sub:hover{background:url(https://images.cnblogs.com/cnblogs_com/l8l8/1184024/t_search.png) no-repeat center skyblue;}