*{
	padding:0px;
	margin:0px;
	box-sizing:border-box;
}
.container{
	width:1400px;
	margin:auto;
}
.bg{
	background-image:url("../img/bg.png");
	background-size:cover;
	background-repeat:no-repeat;
	background-attachment:fixed;
	opacity:0.5;
	position:fixed;
	top:0;
	left:0;
	width:100%;
	height:100%;
	z-index:-1;
}
/* 标题区域样式开始 */
header{
	height:240px;
}
.head>img:first-child{
	width:39%;
	position:relative;
	top:-42px;
}
.head>img:nth-child(2){
	width:20%;
	position:relative;
	top:-28px;
}
.head>img:nth-child(3){
	width:19%;
	position:relative;
	top:-16px;
}
.head>img:last-child{
	width:16%;
	float:right;
	margin-top:5px;
}
/* 标题区域样式结束 */
/* 导航栏样式开始 */
nav{
	width:100%;
	height:80px;
	line-height:80px;
	background-color:#39C5BB;
}
.nav_main{
	width:100%;
	list-style:none;
	display:flex;
	justify-content:center;
}
.nav_main>li{
	width:20%;
	text-align:center;
	font-size:1.5em;
	font-weight:500;
	position:relative;
	letter-spacing:10px;
	z-index:1;
}
.nav_main a{
	color:white;
	text-decoration:none;
}
.nav_main>li:hover{
	font-family:华文琥珀;
	font-style:italic;
}
.nav_main a:hover{
	color:cyan;
}
.nav_dropdown{
	list-style:none;
	display:none;
	background-color:#39C5BB;
	position:absolute;
}
.nav_dropdown li{
	width:280px;
	height:50px;
	line-height:50px;
	border-bottom:2px solid white;
	letter-spacing:0px;
}
.nav_main li:hover{
	background-color:#4DCBC2;
}
.nav_main>li:hover .nav_dropdown{
	display:block;
}
/* 导航栏样式结束 */
/* 图片区域样式开始 */
.pic{
	overflow:hidden;/*用于隐藏超出展示容器内容部分*/
}
.pic_img{
	width:4200px;
	animation:lunbo 10s infinite linear;
	font-size:0px;/*消除图片间隔*/
}
.pic_img img{
	width:1400px;
}
@keyframes lunbo{
	0%,10%{
		transform:translateX(0px);/* 显示第1张图片 */
	}
	20%,30%{
		transform:translateX(-1400px);/* 显示第2张图片 */
	}
	40%,50%{
		transform:translateX(-2800px);/* 显示第3张图片 */
	}
	60%,70%{
		transform:translateX(-1400px);/* 显示第2张图片 */
	}
	80%,100%{
		transform:translateX(0px);/* 显示第1张图片 */
	}
}
/* 图片区域样式结束 */
.flag{
	display:flex;
	justify-content:space-between;
	margin-top:2em;
	border-left:60px groove #39C5BB;
	border-bottom:3px solid #39C5BB;
}
.flag>h3{
	color:#39C5BB;
	font-size:1.5em;
	height:2em;
	line-height:2em;
	letter-spacing:20px;
	padding-left:10px;
}
.flag>h3:hover{
	text-shadow:5px 5px 10px cyan;
	color:#1A7971;
}
/* 结尾样式开始 */
.end>p{
	color:#39C5BB;
	font-family:微软雅黑;
	font-size:100px;
	text-align:center;
	line-height:100px;
	font-weight:bolder;
	font-style:italic;
	text-shadow:10px 10px 5px pink;
}
.end>p:first-child{
	text-decoration:underline;
	margin-top:150px;
}
.end>p:nth-child(2){
	margin-top:50px;
	text-indent:6em;
}
.end img{
	width:20%;
	position:relative;
	bottom:60px;
}
/* 结尾样式结束 */
/* 页脚样式开始 */
.footer{
	background-color:#39C5BB;
	text-align:center;
	color:white;
	height:100px;
	line-height:50px;
}
/* 页脚样式结束 */