body {
	margin: 0;
	padding: 0;
	font-family: "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei UI", "Microsoft YaHei", SimHei, "\5B8B\4F53", simsun, sans-serif;
	background: #FFF;
}

ul,
ol {
	list-style: outside none none;
	margin: 0;
	padding: 0;
	font-size: 0;
}

.main{
	width: 100%;
	height: 100%;
	background-image: url(../images/bg.jpg);
	background-repeat: no-repeat;
	background-size: 100% 100%;
}

.main>.logo{
	width: 100%;
	height: 74px;
	margin-top: 60px;
	padding: 0 70px;
}

.main>.logo>img{
	height: 100%;
}

.main>.nav{
	margin-top: 130px;
	width: 100%;
	height: 260px;
}

.main>.nav>a{
	display: block;
	width: 250px;
	height: 100%;
	margin: 0 30px;
	border-radius: 20px;
	background: #FFF;
	box-shadow: 1px 8px 5px #363535c7;
	padding-top: 50px;
}

.main>.nav>a>.title{
	width: 214px;
	height: 40px;
	border-radius: 20px;
	background: #FDEDC5;
	font-size: 28px;
	z-index: 2;
	left: 18px;
	bottom: 25px;
}
.foot{
	width: 900px;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%);
}
.foot>div{
	width: 100%;
	height: 20px;
	line-height: 20px;
}
.foot>div>p{
	font-size: 12px;
	color: #FFF;
	text-align: left;
}
.main>.alert{
	width: 500px;
	top: 280px;
	left: 50%;
	transform: translate(-50%,0);
}
@media screen and (max-width: 1800px) {
	.logo,.nav{
		zoom: 0.9;
	}
	.main>.nav{
		margin-top: 190px;
	}
	.main>.alert{
		top: 210px;
	}
}
@media screen and (max-width: 1700px) {
	.logo,.nav{
		zoom: 0.8;
	}
	.main>.nav{
		margin-top: 190px;
	}
	.main>.alert{
		top: 180px;
	}
}
@media screen and (max-width: 1600px) {
	.logo,.nav{
		zoom: 0.7;
	}
	.main>.nav{
		margin-top: 190px;
	}
	.main>.alert{
		top: 150px;
	}
}
@media screen and (max-width: 1500px) {
	.logo,.nav{
		zoom: 0.6;
	}
	.main>.nav{
		margin-top: 190px;
	}
	.main>.alert{
		top: 130px;
	}
}