body {  behavior: url(includes/csshover.htc);} 
div#nav-head  {
	float: left;
	margin-top: 0;
	width:auto;
	text-align: center;
}
div#nav-head ul {
	margin: 0;
	position: absolute;
	background: #fff;
    z-index: 100;
    font-family: proxima-nova,sans-serif;
    list-style: none;
}
div#nav-head li{
	padding: 0 15px;
	
}
div#nav-head li.submenu{
	height: 78px;
	line-height:78px;
	border-bottom-style: solid;
	border-bottom-width: 2px;
	border-bottom-color: transparent;
	
}
div#nav-head li.submenu:hover{
}

div#nav-head .level1 li a{
	text-decoration: none;
	height: 78px;
	line-height: 78px;
	font-weight: 600;
    color: #333;
    display: block;
    padding: 0 1em;
    position: relative;
    cursor: pointer;
    font-size:14px;
}
div#nav-head ul:hover{}
div#nav-head li.submenu{border-right: 1px solid transparent;border-left: 1px solid transparent;}
div#nav-head li.submenu:hover{
	background: #f9f9f9;
	border-right: 1px solid #F2F2F2;
	border-left: 1px solid #F2F2F2;
}
div#nav-head li a:hover{
}
div#nav-head li.submenu:hover a, #nav-head li a:hover{}
/*二级导航文字颜色*/
div#nav-head li.submenu:hover li a{color: #333;}

div#nav-head li.submenu {float:left;}


div#nav-head>ul a {width: auto;}
/*二级导航绝对位置 定宽度*/
div#nav-head ul ul{
	position: absolute;
	display: none;
	z-index: 302;
	left: 0;
	width: 100%;
}
/*确定二级导航内容宽度*/
.level2 .NavCate{
	width: 1298px;
	margin: 0 auto;
	padding-left: 125px;
}

/*二级导航*/
div#nav-head ul ul li{
	width: 25%;
	float:left;
	z-index: 300;
	padding: 0;
	height: auto;
	display: block;
}


/*二级导航 下边框间隔*/
div#nav-head ul.level2{
	width: 100%;
	background: #F9F9F9;
	border-top: 1px solid #F9F9F9;
	border-bottom: 1px solid #F9F9F9;
	-webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.25);
	box-shadow: 0 1px 3px rgba(0,0,0,0.25);
	padding: 40px 0px 40px 0px;
	position: fixed;
}

/*二级导航 字样式 背景 宽度*/
div#nav-head ul.level2 a {
	padding: 0px 0px 0px 0px;
	margin: 0px auto 0px auto;
	font-size: 1.1em;
	text-align: left;
	font-weight: bold;
	line-height: 32px;
	height: 32px;
	box-sizing: border-box;
	letter-spacing: .2px;
	display: block;
	font-family: sans-serif;
}
/*二级导航停留字样式*/
div#nav-head ul.level2 li a:hover{
	padding: 0px 0px 0px 0px;
	height: 32px;
	text-decoration: underline;
	line-height: 32px;
}
div#nav-head li.submenu li.submenu {}
div#nav-head li.submenu li.submenu:hover { }
div#nav-head li.submenu li.submenu:hover { }
div#nav-head ul.level1 li.submenu:hover ul.level2, 
div#nav-head ul.level2 li.submenu:hover ul.level3 {display:block;}
div#nav-head ul.level2 {

	}
div#nav-head ul.level2 a {
	text-decoration: none;
}
div#nav-head ul.level3{
}
/*返回顶部*/

.gototop{
	display: none;
	-webkit-animation: hide 350ms ease-out forwards 1;
	animation: hide 350ms ease-out forwards 1;
	padding: 8px 5px 8px 5px;
	border: 0;
	text-align: center;
	background-color: rgba(0, 0, 0, 0.5);
	
	color: #FFFFFF;
	position: fixed;
	bottom: 40px;
	right: 0px;
	-webkit-transition: background-color 100ms ease-in-out;
	transition: background-color 100ms ease-in-out;
	border-radius: 5px;
}
#back_top img{ width:32px; height:32px;}
.gototop > span {
    display: inline-block;
    -webkit-transition: transform 100ms 100ms ease-in-out;
    transition: transform 100ms 100ms ease-in-out;
}
.gototop:hover{
	background-color: #000000;
}
.gototop:hover > span{
    -webkit-transform: translateY(-0px);
    transform: translateY(-0px);
}
.isvisible {
    -webkit-animation: show 1s ease-out forwards 1;
    animation: show 1s ease-out forwards 1;
}

@-webkit-keyframes hide{
  0% {
    opacity: 1;
    -webkit-transform:translateY(0);
  }
  25%{
    opacity: .5;
    -webkit-transform: rotate(-3deg) translateY(-40px);
  }
  75%{
    -webkit-transform: rotate(3deg);
  }
  100%{
    opacity: 0;
    -webkit-transform:translateY(100px);
  }
}
@keyframes hide{
  0% {
    opacity: 1;
    transform:translateY(0);
  }
  25%{
    opacity: .5;
    transform: rotate(-3deg) translateY(-40px);
  }
  75%{
    transform: rotate(3deg);
  }
  100%{
    opacity: 0;
    transform:translateY(100px);
  }
}

@-webkit-keyframes show{
  0% {
    -webkit-transform: rotate(0deg);
  }
  25%{
    opacity: .5;
    -webkit-transform: rotate(-3deg) translateY(-40px);
  }
  75%{
    -webkit-transform: rotate(3deg);
  }
  100%{
    opacity: 1;
    -webkit-transform: rotate(0deg);
  }
}

@keyframes show{
  0% {
    transform: rotate(0deg);
  }
  25%{
    opacity: .5;
    transform: rotate(-3deg) translateY(-40px);
  }
  75%{
    transform: rotate(3deg);
  }
  100%{
    opacity: 1;
    transform: rotate(0deg);
  }
}