body{
	max-width: 2560px;
	min-width: 1024px;
	max-height: 2000px;
	overflow-y:hidden;
}
nav{
	background-color: none;
	z-index: 2;
	position: relative;
}
li:nth-child(1) span{
	display: block;
}
#sy{ 
	margin-top: -50px;
	width: 100%;
	max-height: 1600px;
	min-height: 600px;
	min-width: 1280px;
}
.imgs-button{
	position: relative;
	width: 100%;
	height: 50px;
	bottom: 100px;
	text-align: center;
}
.imgs-button span{
	display: inline-block;
	width: 15px;
	height: 15px;
	border: 2px solid #888;
	border-radius: 50%;
	cursor: pointer;
}
.imgs-button span:not(:last-child){
	margin-right: 20px;
}
.on{
	background-color: #0089D1;
}
.sy-pack{
	width: 1280px;
	height: 300px;
	margin: 0 auto;
	margin-top: 20%;
}
.shouye-left{
	float: left;
	margin-left: -50px;
}
.shouye-right{
	width: 500px;
	padding: 20px 20px;
	float: right;
	color: #fff;
	background-color: #000;
	font-size: 20px;
	line-height: 30px;
	opacity: 0.5;
}
.sy-con1{
	height: 100%;
	min-width: 1280px;
	margin: 0 auto;
	position: relative;
	float: left;
	background-image: url(images/111.jpg);
	background-size: cover;
	background-repeat: no-repeat;
}
.sy-con2{
	height: 100%;
	min-width: 1280px;
	margin: 0 auto;
	position: relative;
	float: left;
	background-image: url(images/222.jpg);
	background-size: cover;
	background-repeat: no-repeat;
	text-align: center;
}
.sy-con3{
	height: 100%;
	min-width: 1280px;
	margin: 0 auto;
	position: relative;
	float: left;
	background-image: url(images/333.jpg);
	background-size: cover;
	background-repeat: no-repeat;
	text-align: center;
}
.jingchuang1{
	width: 300px;
	position: relative;
	left: -1500px;
	animation: jingchuang1 0.5s linear 0.5s 1 normal forwards;
}
@keyframes jingchuang1{
	from{left: -1500px;}
	to{left: 200px;}
}
.jingchuang2{
	width: 600px;
	font-size: 40px;
	line-height: 70px;
	font-weight: bold;
	font-family: "Microsoft JhengHei";
	color: #2576FC;
	position: relative;
	left: -1500px;
	animation: jingchuang2 0.5s linear 0.8s 1 normal forwards;
}
@keyframes jingchuang2{
	from{left: -1500px;}
	to{left: 100px;}
}
.jingchuang3{
	width: 300px;
	font-size: 30px;
	line-height: 70px;
	font-weight: bold;
	font-family: "Microsoft JhengHei";
	color: #2576FC;
	position: relative;
	left: -1500px;
	animation: jingchuang3 0.5s linear 1.1s 1 normal forwards;
}
@keyframes jingchuang3{
	from{left: -1500px;}
	to{left: 0px;}
}
.nihao{
	height: 100%;
	width: 100%;
	min-width: 1280px;
	overflow: hidden;
	position: relative;
	top: -50px;
}
.buhao{
	height: 100%;
	min-width: 1280px;
	position: relative;
	left: 0;
}
.sy-con2 h1{
	position: relative;
	right: 300px;
	font-size: 60px;
	line-height: 100px;
	color: #2576FC;
}
.sy-con2 h2,.sy-con2 h3{
	position: relative;
	right: 300px;
	line-height: 50px;
	color: #2576FC;
}
.sy-con3 h1{
	position: relative;
	left: 330px;
	font-size: 60px;
	line-height: 100px;
	color: #fff;
	opacity: 0.5;
}
.sy-con3 h2,.sy-con3 h3{
	position: relative;
	left: 330px;
	line-height: 50px;
	color: #fff;
	opacity: 0.5;
}

.footer-box p{
	width: 800px;
	margin: 0 auto;
	line-height: 100px;
	color: #fff;
}
.footer-box a,footer a:visited{
	color: #fff;
	text-decoration: none;
	clear:both;
}
.footer-box a:hover{
	text-decoration: underline;
}

.footer-box {
	position: fixed;
	left: 0;
	z-index: 999;
	bottom: 0;
	width: 100vw;
	height: 60px;
	background-color: #888;
	color: #ffffff;
	display: flex;
	align-items: center;
	justify-content: center;
}