#gotop {
  display: none;
  position: fixed;
  bottom: 20px;
  right:20px;
  font-size: 15px;
  padding: 10px;
  background-color: #333;
  text-align: center;
  color: #fff;
  cursor: pointer;
}
#page {
	width: 1280px;
	height:100%;
	display:block;
	overflow:hidden;
	position: relative;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
	text-align: center;
	border-left:solid 1px #333;
	border-right:solid 1px #333;
	clear: both;
	
}
.logo {
	margin: 0px 50px 25px 100px;
	height:105px;
	width: 478px;
	background:url(../2020images/logo.png) no-repeat 50% 50%;
}

#Nav {
	clear: both;
	width: 305px;
	height: 125px;
	margin: 25px 185px;
	text-align:center;
	background: url(../2020images/index/btn.png) no-repeat;
	text-indent:-9999px;
	transition:all .5s;
}
#Nav li {
	float: left;
	display: block;
}
#Nav li a {
	display: block;
	height: 125px;
	padding-top: 0px;
	overflow: hidden;
	background: url(../2020images/index/btn.png) no-repeat;
	background-position: 0 0;
}

#Nav li.menu1 a {
	width: 153px;
	background-position: 0 0;
}
#Nav li.menu2 a {
	width: 152px;
	background-position: -153px 0;
}

/* hover */
#Nav li.menu1 a:hover {
	width: 153px;
	background-position: 0 -125px;
}
#Nav li.menu2 a:hover {
	width: 152px;
	background-position: -153px -125px;
}

/*wrapper*/
#left{
	width:640px;
	height:100%;
	float:left;
	display:inline-block;
	vertical-align:middle;
	margin: 25% 0;
}
#right{
	width:640px;
	height:100%;
	float:left;
	display:inline-block;
	vertical-align:middle;
	margin: 25% 0;
}
.bg{
	width: 535px;
	height:415px;
	background:url(../2020images/index/bg.png)no-repeat;
}
.info{
	width: 535px;
	font-size: 1.2em;
	color:#fff;
	letter-spacing: 0.15em;
	text-align: left;
}
.mail{
	width: 540px;
	font-size: 0.87em;
	color:#fff;
	letter-spacing: 0.08em;
	text-align: left;
}
/*最上對話框*/
.fadeInUp{
	 display:inline-block;
	 position:relative;
	 width:76px;
	 height:98px;
	 left:0%;
	 top:0%;
	 z-index: 99;
	 background:url(../2020images/index/bubble.png)no-repeat;
     background-position:0 0;
}

.bounceInDown{
     display:inline-block;
	 position:relative;
	 width:239px;
	 height:153px;
	 left:15%;
	 top:0;
	 z-index: 999;
	 background:url(../2020images/index/bounce.png)no-repeat;
     background-position:0 0;
}