body{
	width: 100vw;
	overflow-x: hidden;
	background: #ffffff;
	font-size: 16px;
}

body.premium{
	background: #000000;
}

h1, h2, h3, h4, h5, h6{
	font-family: 'Roboto', "Noto Sans TC", sans-serif;
}

h1{
	font-size: 3.4em;
	font-weight: 700;
	line-height: 1.2em;
}

h2{
	font-size: 2.25em;
	font-weight: 700;
	line-height: 1.1em;
}

h3{
	font-size: 1.2em;
	font-weight: 700;
	line-height: 2.4em;
}

h4{
	font-size: 1.85em;
	font-weight: 700;
}

h5{
	font-size: 1.125em;
	font-weight: 700;
}

h6{
	font-size: 1em;
    font-weight: 500;
}

p{
	font-family: 'Roboto', "Noto Sans TC", sans-serif;
	text-align: justify;
	font-size: 1em;
    line-height: 1.4em;
    font-weight: 400;
    letter-spacing: .05em;
}

::selection {
    color: #000000;
    background: #ffcc00;
}

.show{
	display: block;
}

.hide{
	display: none;
}

.mobile{
	display: none;
}

.desktop{
	display: block;
}

.clearfix{
	clear: both;
}

section{
	position: relative;
	width: 100%;
	margin: 0 auto;
	/* overflow: hidden; */
}

/* ============================================================
LOADING
============================================================ */
.progress {
	position: fixed;
	z-index: 11111;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: #c6703f;
	color: #999999;
}

.progress-inner {
	position: absolute;
	left: calc(50% - 100px);
	top: calc(50% - 36px);
	width: 200px;
	height: 73px;
	background-color: #ffffff;
	/*overflow: hidden;*/
}

.progress-bar {
	position: absolute;
	width: 100%;
	height: 100%;
	background-color: #ffcc00;
}

.progress-text {
	color: #ffffff;
	font-family: "Roboto", "Noto Sans TC", sans-serif;
	font-size: 2em;
	font-weight: 700;
	position: absolute;
	z-index: 9999999;
	width: 250px;
	text-align: center;
	top: 120%;
	left: 50%;
	transform: translate(-50%, 0);
}

/* .complete {
	overflow: auto;
} */

.progress-logo {
	-moz-transform: scale(1.02, 1.02);
	-ms-transform: scale(1.02, 1.02);
	-webkit-transform: scale(1.02, 1.02);
	transform: scale(1.02, 1.02);
	position: absolute;
	top: 0;
}

.progress-complete .progress-bar {
	background-color: #ffffff;
}
/* ============================================================
MAIN
============================================================ */
h1{
	position: absolute;
	top: -100vh;
	left: : -100vw;
	color: #ffffff;
}

h2.unit-title{
	font-size: 2em;
	font-weight: 700;
	line-height: 1.5em;
}

h2.unit-title:after{
	content: '';
	display: table;
	width: 70px;
	height: 5px;
	background: #ffcc00;
	margin-top: 10px;
}

h6.eng-title{
	font-size: 1.1em;
	font-weight: 700;
	line-height: 1.5em;
	text-transform: uppercase;
}

.main-p{
	margin: 10px 0;
}

.main-p-em{
	font-style: italic;
}

.title-p em{
	font-weight: 700;
}

.pic-p{
	font-style: italic;
	border-top: 5px solid #ffcc00;
	padding-top: 5px;
	color: #666666;
	font-size: .925em;
}

.cube-btn{
	width: 280px;
	height: 45px;
	font-family: "Roboto", "Noto Sans TC", sans-serif;
	font-size: 1em;
	font-weight: 500;
	line-height: 45px;
	text-align: center;
	background: #ffcc00;
	position: relative;
	margin: 10px 0;
	transition: .2s linear;
}

.cube-sub-btn{
	background: none;
	border: 1px solid #ffffff;
	box-sizing: border-box;
	color: #ffffff;
}

.cube-btn a{
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
}

.cube-btn:hover{
	background: #ffffff;
	border: 1px solid #0095f7;
	box-sizing: border-box;
	color: #0095f7;
}

.sale-btn{
	position: relative;
	margin: 30px auto;
}

.banner{
	width: 100%;
	height: 500px;
	position: relative;
	overflow: hidden;
	margin-top: 70px;
}

.banner img{
	width: 100%;
}

.banner:after{
	content: '';
	display: table;
	width: 100%;
	height: 500px;
	position: absolute;
	top: 0;
	left: 0;
	background-image:  linear-gradient(to top, rgba(244, 244, 244, 1.0), rgba(244, 244, 244, 0));
}



/* ============================================================
NAV
============================================================ */
nav{
	width: 100%;
	height: 70px;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 20;
}

nav.nav-scroll{
	background: rgba(245, 155, 45, .8);
}
/* 
.logo{
	float: left;
}

.logo ul li{
	display: inline-block;
	vertical-align: middle;
	position: relative;
	margin-left: 20px;
	margin-top: 15px;
}

.logo ul a:nth-child(1) li img{
	width: auto;
	height: 50px;
}

.logo ul a:nth-child(2) li img{
	width: auto;
	height: 30px;
} */

.explorer-logo{
	width: 100px;
	margin-top: 10px;
	margin-left: 15px;
	position: relative;
}

.explorer-logo img{
	max-width: 100%;
	max-height: 50px;
}

.explorer-logo a{
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
}

@media all and (max-width: 1024px){

	.explorer-logo{
		width: 80px;
	}

	.explorer-logo img{
		max-height: 40px;
	}
}

nav:after{
	content: '';
	display: table;
	clear: both;
}

.menu{
	position: absolute;
	top: 0;
	right: -300px;
	width: 300px;
	height: 100vh;
	background: linear-gradient(#d07000, #fcb25d);
	margin-top: 0;
	margin-right: 0;
}

.menu ul{
	width: 100%;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.menu ul li{
	text-align: center;
	padding: 20px 0;
	position: relative;
	margin: 0 auto;
	font-size: 1.2em;
	width: 100%;
	box-sizing: content-box;
	transition: .2s linear;
	font-family: "Roboto", "Noto Sans TC", sans-serif;
}

.menu ul li:hover{
	background: #ffba69;
}

.menu ul li.active{
	background: #ffba69;
	color: #ffffff;
}

.menu ul a{
	color: #ffffff;
}


/* ======= icon animation ======= */
.nav-icon{
	display: block;
	position: fixed;
	top: 24px;
	right: 20px;
	z-index: 6;
}

.menu-icon{
	width: 40px;
	height: 40px;
	position: relative;
    z-index: 21;
    cursor: pointer;
/*     margin-top: 24px; */
    z-index: 6;
}

.menu-icon-line{
	width: 100%;
    height: 3px;
    background: #ffffff;
    margin-bottom: 7px;
    border-radius: 50000px;
}

.menu-icon-line:nth-child(3){
	margin-bottom: 0;
}

@keyframes navActive1{
	0%{
		transform: rotate(0deg);
    	margin-top: 0px;
    	/* background: #ea5f40; */
	}

	100%{
		transform: rotate(45deg);
    	margin-top: 10px;
    	/* background: #ffffff; */
	}
}

@keyframes navActive1Back{
	0%{
    	transform: rotate(45deg);
    	margin-top: 10px;
    	/* background: #ffffff; */
	}

	100%{
		transform: rotate(0deg);
    	margin-top: 0px;
    	/* background: #ea5f40; */
	}
}

@keyframes navActive3{
	0%{
		transform: rotate(0deg);
    	margin-top: 0px;
    	/* background: #ea5f40; */
	}

	100%{
		transform: rotate(-45deg);
    	margin-top: -10px;
    	/* background: #ffffff; */
	}
}

@keyframes navActive3Back{
	0%{
    	transform: rotate(-45deg);
    	margin-top: -10px;
    	/* background: #ffffff; */
	}

	100%{
		transform: rotate(0deg);
    	margin-top: 0px;
    	/* background: #ea5f40; */
	}
}

.menu-line1-active{
    animation: navActive1 .2s;
	animation-fill-mode: forwards;
}

.menu-line3-active{
    animation: navActive3 .2s;
	animation-fill-mode: forwards;
}

.menu-line1-back{
    animation: navActive1Back .2s;
	animation-fill-mode: forwards;
}

.menu-line3-back{
    animation: navActive3Back .2s;
	animation-fill-mode: forwards;
}

/* ======= END OF icon animation ======= */


@media all and (max-width: 768px) {
	nav{
		height: 60px;
	}

	.logo ul a:nth-child(1) li img {
	    width: auto;
	    height: 40px;
	}

	.logo ul a:nth-child(2) li img {
	    width: auto;
	    height: 20px;
	}

	.logo ul li{
		margin-left: 10px;
	}

}

/* ============================================================
HEADER
============================================================ */
header{
	width: 100%;
	position: relative;
	overflow: hidden;
}

.kv-bg{
	width: 100%;
	position: relative;
	margin: 0 auto;
}

.kv-river{
	width: 70%;
	position: absolute;
	top: 3%;
	left: 0;
	animation: riverMove .5s forwards infinite linear;
}

@keyframes riverMove{
	0%{
		top: 3%;
		left: 0;
		opacity: 0;
	}

	20%{
		opacity: .5;
	}

	80%{
		opacity: .5;
	}

	100%{
		top: 8%;
    	left: 5%;
    	opacity: 0;
	}
}

.kv-character{
	width: 35%;
	position: absolute;
	top: 10%;
	left: 10%;
}

.kv-butterfly{
	width: 15%;
	position: absolute;
	top: 5%;
	right: 10%;
}

.kv-bg img, .kv-river img, .kv-character img, .kv-butterfly img{
	width: 100%;
	vertical-align: bottom;
}

.logo-video{
	width: 50%;
	position: absolute;
	top: 10%;
	right: 5%;
}

/* .explorer-logo{
	width: 70%;
	max-width: 350px;
	position: relative;
	margin: 30px auto;
}

.explorer-logo img{
	width: 100%;
} */

.intro-video{
	width: 70%;
	position: relative;
	margin: 0 auto;
}

.video-container{
	width: 100%;
	padding-bottom: 56.25%;
	position: relative;
	margin: 0 auto;
}

.video-container video{
	width: 100%;
	position: absolute;
	top: 0;
	left: 0;
}

.video-container iframe{
	width: 100%;
	position: absolute;
	top: 0;
	left: 0;
}

/* ============================================================
PRO SAY
============================================================ */
section.pro-say{
	width: 100%;
	position: relative;
	background: #f5f5f5;
}

.pro-say-container{
	width: 90%;
	max-width: 1100px;
	margin: 0 auto;
	padding: 50px 0;
}

.pro-say-container h2.unit-title{
	text-align: center;
}

.pro-say-container h2.unit-title:after{
	margin: 10px auto;
}

.pro-content{
	width: 100%;
	/* display: flex;
	justify-content: space-between;
	align-items: stretch; */
	margin: 0 auto;
	padding: 30px 0;
}

.pro-pic{
	width: 25%;
	padding-bottom: 25%;
	position: relative;
	border-radius: 50%;
	overflow: hidden;
	/* display: flex;
	justify-content: center;
	align-items: center; */
	float: left;
}

.pro-pic img{
	width: 100%;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

.pro-intro{
	width: 70%;
	position: relative;
	/* display: flex;
	justify-content: center;
	align-items: center;
	flex-wrap: wrap;
	align-content: center; */
	float: right;
}

.pro-content:after{
	content: '';
	display: table;
	clear: both;
}

.pro-intro p{
	width: 100%;
	font-size: 1em;
	font-weight: 400;
	text-align: left;
	line-height: 1.5em;
	text-align: justify;
}

.pro-intro p em{
	font-style: italic;
}

.pro-intro p:nth-child(2){
	text-align: right;
	margin-top: 5px;
}


/* ============================================================
BOOK INTRO
============================================================ */
section.book-intro{
	width: 100%;
	position: relative;
	background-image: linear-gradient(#2d6dfe, #0095f7);
}

.intro-container{
	width: 90%;
	max-width: 1100px;
	position: relative;
	margin: 0 auto;
	padding: 80px 0 30px 0;
	display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.intro-text{
	width: 55%;
	position: relative;
	float: left;
	/* display: flex; */
}

.intro-cover{
	width: 40%;
	position: relative;
	float: right;
	text-align: center;
	/* display: flex; */
}

.intro-cover img{
	width: 90%;
	position: relative;
	margin: 0 auto;
}

.intro-container:after{
	content: '';
	display: table;
	clear: both;
}

.intro-text h2.unit-title, .intro-text p{
	color: #ffffff;
}

.intro-text p{
	margin: 30px 0;
}

/* ============================================================
UNITS
============================================================ */
section.units{
	width: 100%;
	position: relative;
	background: #ffffff;
}

.units-container{
	width: 90%;
	max-width: 1100px;
	position: relative;
	margin: 0 auto;
	padding: 70px 0;
}

.units-container h2.unit-title{
	text-align: center;
}

.units-container h2.unit-title:after{
	margin: 10px auto;
}

.units-container ul li{
	width: 25%;
	float: left;
	position: relative;
	margin: 20px 0;
}

.units-container ul:after{
	content: '';
	display: table;
	clear: both;
}

.units-content{
	width: 90%;
	padding-bottom: 135%;
	position: relative;
	margin-left: 5%;
	transition: .2s linear;
}

.units-content:after{
	content: '';
	display: table;
	width: 100%;
	padding-bottom: 150%;
	position: absolute;
	top: 0;
	left: 0;
	background: rgba(0,0,0,.5);
	z-index: 1;
}

.unit-1{
	background: url('../img/unit-character.jpg') no-repeat;
	background-size: 120%;
	background-position: center center;
}

.unit-2{
	background: url('../img/unit-tech.jpg') no-repeat;
	background-size: 120%;
	background-position: center center;
}

.unit-3{
	background: url('../img/unit-author.jpg') no-repeat;
	background-size: 120%;
	background-position: center center;
}

.unit-4{
	background: url('../img/unit-explor.jpg') no-repeat;
	background-size: 120%;
	background-position: center center;
}

.units-content:hover{
	background-size: 150%;
}

.unit-text{
	width: 90%;
	text-align: center;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 2;
	color: #ffffff;
}

.unit-text h5{
	font-size: 1.1em;
	font-weight: 500;
	text-transform: uppercase;
	font-family: 'Montserrat', sans-serif;
}

.unit-text h4{
	font-size: 1.7em;
	font-weight: 500;
}

.units-content a{
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	z-index: 2;
}


/* ============================================================
PRESENT
============================================================ */
section.present{
	width: 100%;
	position: relative;
	background: #ffffff; 
}

.present-container{
	width: 90%;
	max-width: 1100px;
	position: relative;
	margin: 0 auto;
	padding: 70px 0;
}

.present-container h2.unit-title, .present-container p{
	text-align: center;
}

.present-container h2.unit-title:after{
	margin: 10px auto;
}

.present-image{
	width: 90%;
	max-width: 600px;
	height: 300px;
	position: relative;
	margin: 20px auto;
	background: #000000;
	color: #ffffff;
	text-align: center;
	vertical-align: middle;
	line-height: 300px;
	font-size: 2em;
	overflow: hidden;
}

/* ============================================================
SECOND BOOK
============================================================ */
section.second-book{
	width: 100%;
	position: relative;
	background: #f4f4f4;
	overflow: hidden; 
}

.second-book-container{
	width: 90%;
	max-width: 1100px;
	position: relative;
	margin: 0 auto;
	padding: 50px 0 40px 0;
}

.second-bg{
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	right: 0;
}

.second-bg img{
	width: auto;
	min-height: 100%;
	position: absolute;
	top: 0;
	right: 0;
}

.second-bg-color{
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	background-image:  linear-gradient(to right, rgba(244, 244, 244, 1.0), rgba(244, 244, 244, .8), rgba(244, 244, 244, 0));
}

.second-book-container{
	width: 90%;
	max-width: 1100px;
	position: relative;
	margin: 0 auto;
	padding: 80px 0 30px 0;
	display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.second-book-text{
	width: 55%;
	position: relative;
	float: left;
	/* display: flex; */
}

.second-book-cover{
	width: 30%;
	position: relative;
	float: right;
	text-align: center;
	/* display: flex; */
	margin-left: 10%;
}

.second-book-cover img{
	width: 90%;
	position: relative;
	margin: 0 auto;
}

.second-book-container:after{
	content: '';
	display: table;
	clear: both;
}

.second-book p {
    margin: 30px 0;
}

.second-book-text h6{
	color: #2d6dfe;
	font-size: 1.125em;
	font-weight: 500;
}

/* ============================================================
CHARACTER
============================================================ */
section.character-main{
	width: 100%;
	position: relative;
	background: #f4f4f4;
}

.character-container{
	width: 90%;
	max-width: 1000px;
	position: relative;
	margin: 0 auto;
	padding: 0 0 70px 0;
}

.character-content{
	padding: 30px 0;
	/* display: flex;
    flex-wrap: wrap;
    align-items: center; */
    border-top: 1px solid #d6d6d6;
    position: relative;
}

.character-pic{
	width: 45%;
	position: relative;
}

.character-pic img{
	width: 100%;
}

.character-text{
	width: 50%;
	position: absolute;
}

.character-text h4{
	font-size: 1.7em;
	font-weight: 700;
}

.character-content:after{
	content: '';
	display: table;
	clear: both;
}

.character-left .character-pic{
	float: left;
	/* margin-right: 5%; */
}

.character-left .character-text{
	float: right;
	top: 50%;
	right: 0;
	transform: translate(0, -50%);
}

.character-right .character-pic{
	float: right;
	/* margin-left: 5%; */
}

.character-right .character-text{
	float: left;
	top: 50%;
	left: 0;
	transform: translate(0, -50%);
}

/* ============================================================
AUTHOR
============================================================ */
section.author-main{
	width: 100%;
	position: relative;
	background: #f4f4f4;
}

.author-container{
	width: 90%;
	max-width: 900px;
	position: relative;
	margin: 0 auto;
	padding: 0 0 70px 0;
}

.article-content{
	width: 100%;
	position: relative;
	margin: 50px auto;
}

.article-half .article-text{
	width: 50%;
}

.article-half .article-img{
	width: 45%;
	position: relative;
}

.article-img img{
	width: 100%;
}

.text-left .article-text{
	float: left;
}

.text-left .article-img{
	float: right;
}

.article-content:after{
	content: '';
	display: table;
	clear: both;
}

.text-right .article-text{
	float: right;
}

.text-right .article-img{
	float: left;
}

h4.article-h4{
	font-size: 1.25em;
}

.main-p em{
	font-weight: 700;
	color: #c6703f;
}

h5.article-intro{
	width: 100%;
	font-size: 1em;
	font-style: italic;
}


/* ============================================================
FOOTER
============================================================ */
footer{
	width: 100%;
	position: relative;
	padding: 20px 0;
	background: #c6703f;
}

footer p{
	width: 90%;
	max-width: 1100px;
	position: relative;
	margin: 0 auto;
	color: #ffffff;
	text-align: center;
	font-weight: 400;
	font-size: .9em;
}


/* ============================================================
GO TOP
============================================================ */

#gotop{
	width: 52px;
	height: 52px;
	background: rgba(255,204,0,.7);
	z-index:9;
	position: fixed;
	right: 20px;
	bottom: 20px;
	cursor: pointer;
	/* border-radius: 50%; */
	display:none;
	-o-transition: .2s linear;
	-webkit-transition: .2s linear;
	-moz-transition: .2s linear;
	transition:  .2s linear;
	z-index: 15;
}

#gotop i{
	font-size: 3em;
	color: #FFFFFF;
	width: 52px;
	line-height: 52px;
	text-align: center;
	-o-transition: .2s linear;
	-webkit-transition: .2s linear;
	-moz-transition: .2s linear;
	transition:  .2s linear;
}

/* ============================================================
RWD
============================================================ */
@media all and (max-width: 1440px) {
	
}

@media all and (max-width: 1366px){
	
}

@media all and (max-width: 1280px){
	.banner{
		height: auto;
	}
}

@media all and (max-width: 1024px) {
	.kv-river{
		width: 110%;
		top: 3%;
		left: 0;
		animation: riverMove .5s forwards infinite linear;
	}

	@keyframes riverMove{
		0%{
			top: 54%;
			left: -10%;
			opacity: 0;
		}

		20%{
			opacity: .5;
		}

		80%{
			opacity: .5;
		}

		100%{
			top: 57%;
	    	left: -1%;
	    	opacity: 0;
		}
	}

	.kv-character{
		width: 60%;
		top: 67%;
		left: 10%;
	}

	.kv-butterfly{
		width: 30%;
	    top: 40%;
	    right: 5%;
	}

	.logo-video{
		width: 100%;
		top: 7%;
		right: 0;
	}

	/* .explorer-logo{
		margin: 20px auto;
	} */

	.intro-video{
		width: 90%;
	}
}

@media all and (max-width: 960px) {
	
}

@media screen and (orientation: portrait) {
	

}

@media all and (max-width: 768px) {
	.intro-text, .intro-cover{
		float: none;
		width: 100%;
	}

	.intro-cover{
		margin-top: 30px;
	}

	.intro-cover img{
		width: 60%;
	}

	.units-container ul li{
		width: 50%;
	}

	.second-book-text, .second-book-cover{
		float: none;
		width: 100%;
	}

	.second-book-cover{
		margin-top: 30px;
		margin-left: 0;
	}

	.second-book-cover img{
		width: 60%;
	}

	.second-bg{
		width: 100%;
		height: 100%;
		position: absolute;
		top: 0;
		right: 0;
	}

	.second-bg img{
		width: 100%;
		min-height: auto;
		position: absolute;
		top: 0;
		right: 0;
	}

	.second-bg-color{
		width: 100%;
		height: 30%;
		position: absolute;
		top: 0;
		left: 0;
		background-image:  linear-gradient(to top, rgba(244, 244, 244, 1.0), rgba(244, 244, 244, 1.0), rgba(244, 244, 244, 1.0), rgba(244, 244, 244, .8), rgba(244, 244, 244, 0));
	}
}

@media all and (max-width: 640px) {
	.character-left .character-pic,
	.character-left .character-text,
	.character-right .character-pic,
	.character-right .character-text{
		float: none;
		transform: translate(0, 0);
		top: auto;
		left: auto;
		right: auto;
		position: relative;
		width: 100%;
	}
}

@media all and (max-width: 480px) {
	h2.unit-title{
		font-size: 1.5em;
	}

	.intro-container{
		padding: 50px 0 10px 0;
	}

	.unit-text h5{
		font-size: 1em;
	}

	.unit-text h4{
		font-size: 1.4em;
	}

	.second-book-text h6{
		font-size: 1em;
	}



	.article-half .article-text{
		width: 100%;
	}

	.article-half .article-img{
		width: 100%;
		position: relative;
	}

	.text-left .article-text{
		float: none;
	}

	.text-left .article-img{
		float: none;
	}

	.text-right .article-text{
		float: none;
	}

	.text-right .article-img{
		float: none;
	}

	.pro-pic, .pro-intro{
		float: none;
		width: 100%;
	}

	.pro-pic{
		padding-bottom: 100%;
		margin-bottom: 20px;
	}
}


@media all and (max-width: 320px){
	
}