html,body{
	margin: 0;
	padding: 0;
	font-family: '微软雅黑';
}
body{background-color: #1b1b1b}
/*====================导航*********/
.header{
	width:100%;
	position:fixed;
	top:0;
	left:0;
	z-index:999;
	height:100px;
    background: rgba(255, 255, 255, 0.8);
    text-align: center;
}
.header .container{
    display: inline-block;
    text-align: center;
    margin-top: 4px;
}
.header .container .logo{
    width: 180px;
    display: inline-block;
    vertical-align: middle;
}
.header .container .logo img{
    width: 100%;
}
/*左侧logo*/
.header .left{
	width: 12%;
}
.header .left a img{
	height: 40px;
	margin-top: 6px;
}
.header .left .img2{
	display: none;
}
/*右侧*/
.header .nav{
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	-o-transition: 0.5s;
	transition: 0.5s;
	height: 100%;
	line-height: 50px;
    display: inline-block;
    margin-left: 100px;
    vertical-align: middle;
}
.header .navbar_nav li{
	float:left;
	position: relative;
    display: block;
}
.header .navbar_nav li:after{
    content: "";
    width: 0;
    height: 2px;
    background: #76a9b3;
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all 0.5s ease 0s;
}
.header .navbar_nav li:hover:after{
    width: 100%;
}
.header .navbar_nav li a{
	text-decoration: none;
	height: 100%;
	padding: 0 20px;
	display: block;
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	-o-transition: 0.5s;
	transition: 0.5s;
	color: #000;
	font-size: 15px;
}
.header .navbar_nav li:hover a{
	color: #76a9b3;
}
.header .navbar_nav li.dropdown{
	display: inherit;
	position: relative;
}
.header .navbar_nav li.dropdown .jt{
	width: 20px;
	height: 20px;
	background: url(i/top.png) no-repeat;
	background-size: 100% 100%;
	display: block;
}
.header .navbar_nav li.dropdown .dropdown_menu{
	display: none;
	position: absolute;
	top:50px;
	width: 100%;
	background: #fff;
	box-shadow: 0 15px 27px 0 rgba(167,165,165,0.38);
	width: 120%;
    left: -10%;
}
.header .navbar_nav li.dropdown .dropdown_menu a{
	font-size: 14px;
	color: #666;
	padding: 0 10px;
	line-height: 40px;
	text-align: center;
	background: #fff;
	margin-bottom: 2px;
}
.header .navbar_nav li.dropdown:hover .dropdown_menu{
	display: block;
	background: #f3f3f3;
	-webkit-transition: 0.5s;
	-moz-transition: 0.5s;
	-o-transition: 0.5s;
	transition: 0.5s;
}
.header .navbar_nav li.dropdown:hover .dropdown_menu a{
	color: #666;
}
.header .navbar_nav li.dropdown:hover .dropdown_menu a:hover{
	color: #fff;
	background: orange;
}
/*白色背景的头部*/
.header.on{
	background: #fff;
	border-bottom: 1px solid #ccc;
}
.header.on .left .img1{
	display: none;
}
.header.on .left .img2{
	display: block;
}
.header.on .navbar_nav li a{
	color: #333;
}
.header.on .navbar_nav li:hover a{
	color: orangered;
}
.header form{
    display: inline-block;
    vertical-align: middle;
    margin-left: 100px;
}
.header form .search{
    display: inline-block;
    width: 158px;
    padding: 0 10px;
    height: 33px;
    border: 1px solid #525252;
    border-radius: 50px;
}
.header form .search .icon{
    width: 18px;
    height: 18px;
    margin-top: 8px;
    display: inline-block;
    border: 0;
    background: transparent;
    outline: none;
}
.header form .search .inp{
    display: inline-block;
    width: 110px;
    border: 0;
    font-size: 15px;
    vertical-align: middle;
    margin-top: -12px;
    background: transparent;
    outline: none;
}

#navToggle{
	display: none;
}

.m_nav{
	position: fixed;
	top: 0px;
	box-shadow: 0 15px 27px 0 rgba(167,165,165,0.38);
	width: 100%;
    height: 100%;
    background: #fff;
    transition: all ease 0.5s;
    -webkit-transition: all ease 0.5s;
	z-index: 1000;
    opacity: 1;
    visibility: visible;
    margin-top: 0;
    overflow-y: auto;
    transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
    top: 0;
    transform: translateX(100%);
}
.m_nav.open{
    transform: translateX(0);
}
.m_nav .top{
	height: 60px;
	padding: 20px;
	box-sizing: border-box;
}
.m_nav .top .closed{
	width: 30px;
	height: 30px;
	vertical-align: middle;
	float:right;
	cursor: pointer;
}
.m_nav .logo{
	width: 100%;
	margin:0 auto;
}
.m_nav .logo img{
	height: 50px;
	display: block;
	margin:30px auto;
}
.m_nav .ul{
	margin-top: 30px;
}
.m_nav .ul li{
	padding: 0 20px;
	border-bottom: 1px solid #f5f5f5;
	transform: translateY(0);
	-webkit-transform: translateY(100%);
    transform: translateY(100%);
    -webkit-transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
    opacity: 0;
}
.m_nav.open .ul li{
	opacity: 1;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}
.m_nav .ul li:nth-child(1) {
    -webkit-transition: all .2s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .2s cubic-bezier(.77, 0, .175, 1) 0ms;
}
.m_nav .ul li:nth-child(2) {
    -webkit-transition: all .4s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .4s cubic-bezier(.77, 0, .175, 1) 0ms;
}
.m_nav .ul li:nth-child(3) {
    -webkit-transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
}
.m_nav .ul li:nth-child(4) {
    -webkit-transition: all .8s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .8s cubic-bezier(.77, 0, .175, 1) 0ms;
}
.m_nav .ul li:nth-child(5) {
    -webkit-transition: all 1.0s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all 1.0s cubic-bezier(.77, 0, .175, 1) 0ms;
}
.m_nav .ul li:nth-child(6) {
    -webkit-transition: all 1.2s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all 1.2s cubic-bezier(.77, 0, .175, 1) 0ms;
}
.m_nav .ul li a{
	display: block;
	text-decoration: none;
	color: #333;
	font-size: 16px;
	height: 50px;
	line-height: 50px;
	width: 100%;
}
.m_nav .ul li .dropdown_menu{
	display: none;
}
.m_nav .ul li.dropdown.active .dropdown_menu{
	display: block;
}
.m_nav .ul li .dropdown_menu a{
	display: block;
	height: 50px;
	line-height: 50px;
	padding: 0 40px;
	box-sizing: border-box;
	border-bottom: 1px solid #f5f5f5;
}
.m_nav .ul li .dropdown_menu a:last-child{
	border: none;
}
.m_nav form{
    display: block;
    margin-top: 20px;
    text-align: center;
}
.m_nav .search{
    display: inline-block;
    width: 50%;
    padding: 2px 10px;
    height: 33px;
    border: 1px solid #525252;
    border-radius: 50px;
}
.m_nav .search .parbox{
	width: 100%;
	height: 100%;
	display: -o-flex;
	display: -moz-flex;
	display: -ms-flex;
	display: -webkit-flex;
	display: flex;
	align-items: -o-center;
	align-items: -ms-center;
	align-items: -moz-center;
	align-items: -webkit-center;
	align-items: center;
}
.m_nav .search .icon{
    width: 18px;
    height: 18px;
    display: inline-block;
    border: 0;
    background: transparent;
    background-size: 80%;
    outline: none;
}
.m_nav .search .inp{
    display: inline-block;
    width: 78%;
    margin-left: 1%;
    border: 0;
    font-size: 15px;
    background: transparent;
    outline: none;
}

.banner{
	width: 100%;
}
.banner img{
	width: 100%;
}
.footor_tomter{
	padding: 20px 0 ;
	background-color: rgba(46, 46, 46, 1);
	text-align: center;
	color: #fff;
}
.footor_tomter span{
	margin-right: 20px;
}
@media screen and (max-width: 1200px){
    .header .nav{
        margin-left: 10px;
    }
}
@media screen and (max-width: 1100px){
	 .header .navbar_nav li a{
    	padding: 0 15px;
    }
    .header form{
    	margin-left: 15px;
    }
}

@media screen and (max-width: 992px){
	.header{
		/* padding: 0 10px; */
    }
    .header .container{
		display: block;
		position: relative;
	}
    .header form{
    	display: none;
    }
	.header #navToggle{
		position: absolute;
		right: 15px;
		height: 100%;
		padding: 9px 15px;
		margin-right: -15px;
		display: inline-block;
		float: right;
		cursor: pointer;
	}
	.header #navToggle span {
		position: relative;
		width: 25px;
		height: 1px;
		margin-top: 19px;
	}
	.header #navToggle span:before,
	.header #navToggle span:after {
		content: '';
		position: relative;
		width: 100%;
		height: 1px;
		left: 0;
	}
	.header #navToggle span,
	.header #navToggle span:before,
	.header #navToggle span:after {
		-webkit-transition: 0.3s;
		-moz-transition: 0.3s;
		-o-transition: 0.3s;
		transition: 0.3s;
		display: block;
		background: #4f4f4f;
	}
	.header #navToggle span:before {
		top: 8px;
	}
	.header #navToggle span:after {
		bottom: 10px;
	}
	.header #navToggle.open span:before {
		top: 10px;
		-webkit-transform: translateY(-11px) rotate(-45deg);
		-moz-transform: translateY(-11px) rotate(-45deg);
		-ms-transform: translateY(-11px) rotate(-45deg);
		-o-transform: translateY(-11px) rotate(-45deg);
		transform: translateY(-11px) rotate(-45deg);
	}
	.header #navToggle.open span:after {
		bottom: 12px;
		-webkit-transform: translateY(10px) rotate(45deg);
		-moz-transform: translateY(10px) rotate(45deg);
		-ms-transform: translateY(10px) rotate(45deg);
		-o-transform: translateY(10px) rotate(45deg);
		transform: translateY(10px) rotate(45deg);
	}
	.header #navToggle.open span {
		background: none;
	}
	.header #navToggle.open span:before,
	.header #navToggle.open span:after {
		background: #4f4f4f;
	}
	
	.header .nav{
		display: none;
	}
	
	/*.banner img{*/
	/*	height: 600px;*/
	/*	object-fit: cover;*/
	/*}*/
}
@media screen and (max-width: 769px){
	.header{
		height: 70px;
		background: #fff;
	}
	.header .container .logo{
		width: 8rem;
	}
	.footor_tomter{
		font-size: .6rem;
		text-align: left;
		/* padding: 10px 0; */
		padding-left: 10%;
		line-height: 20px;
	}
	.footor_tomter span{
		display: block;
		margin-right: 0;
	}
}

/* html,body{
    width: 100%;
    height: 100%;
}
*{ 
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
    color: #000000;
    font-family: '微软雅黑'
}
.clearfix:after{
    content:".";        
    display:block;         
    height:0;        
    clear:both;        
    visibility:hidden;        

}
.head{
   position: fixed;
   top: 0;
   left: 0;
   width: 100%;
   height: 80px;
   z-index: 5;
   background: rgba(255, 255, 255, 0.5);
}

.head .logo{
    position: absolute;
    left: 15%;
    width: 120px;
}
.head .logo img{
    width: 100%;
}


.phon_nav{
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 100;
    display: none;
}
.phon_nav .nav_cd{
    position: absolute;
    width: 12rem;
    height: 100%;
    top: 0;
    right: -100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 200;
}


.phon_nav .nav_cd .lis{
    padding: 1rem 0rem;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    border-bottom: 1px solid #fff;
}
.phon_nav .nav_cd .off{
    width: 100%;
    padding: 2rem 0;
    display: flex;
    justify-content: center;
}
.phon_nav .nav_cd .off .x{
    display: inline-block;
    width: 10%;
    padding: .1rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.phon_nav .nav_cd .off .x img{
    width: 100%;
}
.footor_tomter{
    padding: 20px 15% 20px 15%;
    background: #000;
}
.footor_tomter span{
    color: #fff;
    font-size: 1rem; 
}

@media screen and (max-width: 768px){
    .head{
        height: 4rem;
    }
    .head .top{
        height: 100%;
    }
    .head .top .logo {
        width: 5rem;
        margin-top: .5rem;
    }
    .head .top .t_lx{
        display: none;
    }
    .head .bot{
        display: none;
    }
    .head .top .caidan{
        display: block;
    }
    .footor_tomter {
        text-align: center;
        padding: 10px 0% 10px 0%;
    }
    .footor_tomter span{
        font-size: .6rem;
    }
   
} */