body{
	font-size: 16px;
	line-height: 30px;
	font-family: "微軟正黑體";
	color: #333;
}
.sha_topBg{
	width: 100%;
	float: left;
	min-width: 1200px;
	padding: 25px 0;
	background: url(../images/em_air_bg.jpg) center bottom no-repeat;
	border-bottom: 1px solid #5cbaee;
}
.sha_top{
	width: 1200px;
	margin: 0 auto;
}
.sha_top ul{
	width: 1120px;
	margin: 0 auto
}
.sha_top li{
	width: 260px;
	height: 130px;
	float: left;
	text-align: center;
	padding: 120px 0 0 0;
	margin: 15px 10px;
	background: url(../images/sha_btn_img.png) left top no-repeat;
}
.sha_top li span{
	font-size: 14px;
	color: #666;
}
.sha_top li:hover{
	background: url(../images/sha_btn_img_h.png) left top no-repeat;
}
@media screen and (min-width: 768px) and (max-width: 1024px) {
.sha_topBg{
	min-width: 1000px;
}	
.sha_top{
	width: 970px;
	padding: 0 15px;
}
.sha_top ul{
	width: 840px;
}
}
@media screen and (min-width: 320px) and (max-width: 768px) {
.sha_topBg{
	min-width: 320px;
}
.sha_top{
	width: 90%;
	margin: 0 5%;
	height: auto;
}
.sha_top ul{
	width: 280px;
}
}