* {
	padding: 0;
	margin: 0;
	text-decoration: none;
	color: #333;
	font-family: 微软雅黑, Hiragino Sans GB
}

img {
	border: none;
}

.nav {
	height: 80px;
	background-color: #fff;
	background-color: rgb(255, 255, 255);
	line-height: 80px;
	text-align: right;
	width: 100%;
	position: fixed;
	z-index: 99;
	position: unset;
	border-bottom: 1px solid #dddddd;
}

.nav .nav_c {
	width: 100%;
	height: 80px;
	position: relative;
}

.nav .menu {
	width: 100%;
	max-width: 1200px;
}

.nav .menu .logo {
	float: left;
	margin: 12px 0 0 20px;
	height: 55px;
}


.nav .menu .search_b {
	margin: 0px 20px;
	cursor: pointer;
}

.nav-list li {
    float: left;
}
.nav a.menu_item {
	padding: 31px 20px 20px 20px;
	font-size: 14px;
	position: relative;
	transition: color, border, top 0.5s;
	position: relative;
}

.nav-list {
	padding: 0;
	margin: 0;
	line-height: 80px;
	text-align: center;
	font-size: 16px;
}



.nav-list li a {
	display: block;
	padding: 0 14px;
	position: relative;
}

.sub-menu {
	padding: 0;
	margin: 0;
	position: absolute;
	display: none;
}

.sub-menu li {
	height: 42px;
	line-height: 42px;
	/* min-width: 165px; */
	/* padding: 0 20px; */
	background-color: #2D2D2D;
	background-color: rgba(40, 40, 40, 0.5);
	/* border-bottom: 1px solid #002642; */
	/* position: relative; */
	float: none;
	overflow: hidden;
}

.nav-sapn {
	margin: 0;
	padding: 0;
	color: #333;
}

.nav-list li:first-child a {
	color: #333;
}

.nav-list li:hover .nav_hr {
	opacity: 1;
	bottom: 15px;
}

.nav-list li:hover .nav-sapn, 
.nav-list li:hover .first-nav{
	color: ##0040a1 !important;
}

.nav-list li:hover .sub-menu {
	display: block;
	z-index: 1;
}

.nav-list a.nav-a:hover {
	top: -3px;
}

.head-nav {
	float: right;
}

.nav_hr {
	border-bottom: 2px solid #0040a1;
	position: absolute;
	bottom: 0;
	width: 80%;
	display: block;
	left: 10%;
	opacity: 0;
	transition: all 0.5s;
}

.nav-sub-h3 {
	color: #fff;
}
.nav-sub-li:hover{
	background-color: #1c62b0;
}

.nav a.menu_item span {
	border-bottom: 2px solid #72BBFF;
	position: absolute;
	bottom: 0;
	width: 60%;
	display: block;
	left: 20%;
	opacity: 0;
	transition: all 0.5s;
}

.nav a.menu_item:hover {
	top: -3px;
	color: #689de4 !important;
}

.nav a.menu_item:hover span {
	opacity: 1;
	bottom: 10px;
}

/* .nav .search {
	width: 100%;
	height: 100px;
	background: #fff;
	border-top: 0;
	border-bottom: 1px solid #ddd;
	height: 0;
	overflow: hidden;
	opacity: 0;
	position: relative;
	top: -1px
}

.nav .search input {
	width: 800px;
	height: 100px;
	border: none;
	outline: none;
	text-align: center;
	font-size: 20px;
	color: #333;
} */

/* .nav .search button{background:url(../img/search_gray.png) transparent center no-repeat;width:25px;height:25px;border:none;cursor:pointer;position:relative;top:10px;outline:none;}
.nav .search button:hover{background:url(../img/search_green.png) transparent center no-repeat;} */

input::-webkit-input-placeholder {
	color: #ccc;
}

textarea::-webkit-input-placeholder {
	color: #ccc;
}

/* .nav .productmenu {
	width: 100%;
	height: 0px;
	clear: both;
	position: relative;
	background: #fff;
	top: -4px;
	border-bottom: 0px solid #ccc;
	overflow: hidden;
}

.nav .productmenu img {
	width: 130px;
	height: 130px;
	position: relative;
	margin: 30px 30px 0 0;
} */

/* .f_contact {
	position: fixed;
	right: 0;
	top: 40%;
	width: 50px;
	height: 120px;
	z-index: 999;
	margin: 240px 10px 0 0;
}

.f_contact .c {
	width: 40px;
	height: 40px;
	border: 2px solid #689de4;
	border-radius: 50%;
	margin-bottom: 20px;
	position: relative;
}

.f_contact .ph {
	width: 58px;
	height: 58px;
	position: absolute;
	top: -9px;
	right: -3px;
	border: 2px solid #689de4;
	border-radius: 33px;
	background: #fff;
	opacity: 0;
	transition: all 0.5s;
	overflow: hidden;
}

.f_contact .ph p {
	color: #a0a0a0;
	font-size: 14px;
	margin: 4px 0 0 35px;
	height: 17px;
	overflow: hidden;
}

.f_contact .ph span {
	color: #2d3e50;
	font-size: 22px;
	margin-left: 35px;
	height: 25px;
	overflow: hidden;
	display: block;
}

.f_contact .c img {
	margin-top: 10px;
	position: relative;
}

.f_contact .c img#phone {
	-webkit-animation: l_huang 5s infinite;
} */

@-webkit-keyframes l_huang {
	1% {
		left: -5px
	}
	3% {
		left: 5px;
	}
	5% {
		left: -5px
	}
	7% {
		left: 5px;
	}
	9% {
		left: -5px
	}
	11% {
		left: 5px;
	}
	13% {
		left: 0;
	}
}

.button_fb {
	width: 40px;
	height: 40px;
	border-radius: 50%;
	border: 2px solid #689de4;
}

.button_fb img {
	margin-top: 8px;
	margin-left: 8px;
}