body, html {
    font-size: 16px;
    font-weight: normal;
    overflow-x: hidden;
	font-family: 微軟正黑體;
    margin: 0;
    padding: 0;
}
html.auto, body.auto {
    overflow-y: auto;
}

img, a img {
    border: none;
    outline: none;
	width: 100%;
}
.yuan-bg {
    height: 100vh;
    width: 100vw;
    background-color: #f0f8ff;
    margin: 0;
    padding: 0;
}
.yuan-content {
    -moz-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    position: absolute;
    width: 100%;
    max-width: 1380px;
    margin: 0 auto;
    top: 50%;
    left: 50%;
}
.yuan-content .an {
    margin: 0;
    opacity: 0;
    position: relative;
    float: left;
    width: 50%;
}
.yuan-content .an.view {
    opacity: 1;
}
.yuan-content .an a {
    position: relative;
    display: block;
    margin: 0;
    padding: 0;
    width: 100%;
    height: auto;
    overflow: hidden;
    padding-bottom: 95%;
}

.yuan-footer {
    display: block;
    margin: 1rem auto;
    padding: 0;
    text-align: center;
    color: #333;
    font-size: 14px;
    opacity: 0;
}
.yuan-footer.view {
    opacity: 1;
}
a, a:hover, a:link, a:active {
    text-decoration: none;
}
.yuan-content .box a:before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
}
.yuan-content .an.co1 .logo {
    background-image: url(../images/logo1.png);
}
.yuan-content .an .logo {
    -moz-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    position: absolute;
    z-index: 2;
    width: 152px;
    height: 152px;
    margin: 0;
    padding: 0;
    background-position: 0 0;
    background-repeat: no-repeat;
    background-size: contain;
    font-size: 0;
    color: transparent;
    bottom: 0%;
    left: 50%;
}

.yuan-content .an .img {
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -webkit-transform: scale(1);
    transform: scale(1);
    background-repeat: no-repeat;
    background-position: 0 0;
    background-size: cover;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}
.yuan-content .an.co2 .logo {
    background-image: url(../images/logo2.png);
}
.yuan-content .an.view {
    opacity: 1;
}
@media (max-width: 767px){
.yuan-content .an {
   width: 100%;
}
	.mno{
		display: none;
}
	.yuan-content {
    padding: 0px!important;
}
}