*{
    margin:0px;
    padding:0px;
}
a {
    text-decoration: none; 
    cursor: pointer; 
}
ul li{
    list-style: none;
}
.nav{
    height: 40px;
    background:linear-gradient(0deg,rgba(255,157,7,1),rgba(255,177,8,1));
    left:0px;
    right:0px;
/*    z-index: 9999;*/
    width: 80%;
    padding-left: 20%;
    font-size: 14px;
}
.nav ul li.nav_list{
    width:150px; 
    text-align: center;
}
.nav ul li{
    width:100%;
    text-align:center;
    color:#fff;
    display:inline-block;
    line-height: 40px; 
}
.nav_a{
    width:100%;
    text-align:center;
    color:#fff;
    display:inline-block;
    line-height: 40px;
}
.nav_a2{
    width:100%;
    text-align:center;
    color:#fff;
    display:inline-block;
    line-height: 40px; 
}
.nav ul li.nav_list:hover a{
	color: #fff;
    background:linear-gradient(0deg,rgba(255,157,7,1),rgba(255,177,8,1));
}
.nav ul li.nav_list .nav_list_child{
    display: none;
    z-index: 9;
}
.nav ul li.nav_list:hover .nav_list_child{
    width: 150px;
    display: block;
    position: absolute;
    transition: all .3s linear;
}
.nav ul li.nav_list .nav_list_child ul li{
    width:100%;
    background:linear-gradient(0deg,rgba(255,157,7,1),rgba(255,177,8,1));margin:1px 0;
}
.nav ul li.nav_list .nav_list_child ul li a:hover{
    background:rgba(255,157,7,1);
}
.top{
	width: 1200px;
	height: 24px;
	margin: 0 auto;
	line-height: 24px;
}
.top_p1{
	color: #666666;
	font-size: 12px;
	float: left;
}
.top_a1{
	text-decoration: none;
	color: #FF6600;
	font-size: 12px;
	float: left;
	margin-left: 12px;
}
.top_p2{
	font-size: 12px;
	float: right;
}
.top_a2{
	text-decoration: none;
	color: #666666;
	font-size: 12px;
	float: right;
	margin-right: 20px;
}
.top_a2:hover {
	color: #FF6600;
}
.search{
	width: 1200px;
	height: 100px;
	margin: 0 auto;
}
.search_img{
	width: 175px;
	height: 52px;
	margin-top: 20px;
	float: left;
}
.search_form{
	border: solid 2px #FF6600;
	height: 30px;
	width: 700px;
	margin-right: 100px;
	margin-top: 32px;
	float: right;
}
.search_input{
	width: 570px;
	height: 28px;
	padding-left: 5px;
	outline: none;
	border: none;
}
.search_select{
	width: 70px;
	height: 30px;
	border: none;
	border-right: solid 1px #666666;
	outline: none;
	-webkit-appearance:none;
	padding-left: 10px;
	background: url("../img/jiantou.png") no-repeat right center transparent;
}
.search_form button{
	width: 55px;
	height: 30px;
	border: none;
	background-color: #FF6600;
	float: right;
	outline: none;
}