/* ====================================================
# carousel
==================================================== */
.carousel-main {
	position: relative;
	background-color: rgb(0, 20, 50);
}

.carousel-main .ci {
	position: absolute;
	bottom: 3%;
	justify-content: center;
}

.carousel-main .ci li {
	width: 12px;
	height: 12px;
	border: 2px solid #ffffff;
	border-radius: 25px;
	background-color: transparent;
	opacity: 1;
}

.carousel-main .ci li.active {
	background-color: #ffffff;
}

.cl-mask {
	position: absolute;
	overflow: hidden;
	z-index: 1;
	height: 100%;
	width: 100%;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.8) 100%);
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	color: #ffffff;
}

.cl-txt {
	text-align: center;
	padding: 2.5rem;
}

.cl-txt h2 {
	font-size: 4rem;
	font-weight: 700;
	letter-spacing: 0.1rem;
	text-shadow: 2px 2px 4px #212121;
}

.cl-txt h4 {
	font-size: 2rem;
	font-weight: 400;
	color: var(--main-colorC);
}

.cl-txt p {
	margin-top: 1rem;
	font-size: 1.8rem;
	letter-spacing: 0.05rem;
	line-height: 1.5;
}

.cl-txt p strong {
	color: var(--main-colorC);
	font-size: 2.5rem;
}

.cl-left {
	position: absolute;
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
	height: 100%;
	width: 800px;
	left: 100px;
}

.btn-top {	
	color: #212121;
	border: 1px solid var(--main-colorC);
	background-color: var(--main-colorC);	
	letter-spacing: 0.3rem;
	padding: 0.5rem 2rem;
	transition: all 0.2s ease-in-out;
	display: inline-block;
	margin-top: 15px;
	min-width: 220px;
	position: relative;
	border-radius: 25px;
	text-align: center;
}

/* .btn-top::after {
    font-family: 'bootstrap-icons';
    content: "\F285";
    position: absolute;
    right: 15px;
} */

.btn-top:hover {
	color: #ffffff;
	border: 1px solid #ffffff;
	background-color: transparent;}

.btn-topX {
	color: #ffffff;
	border: 1px solid #ffffff;
	background-color: rgba(122, 122, 122, 0.5);
	letter-spacing: 0.1rem;
	padding: 0.5rem 2rem;
	transition: all 0.2s ease-in-out;
	display: inline-block;
	margin-top: 15px;
	min-width: 220px;
	position: relative;
	border-radius: 25px;
	text-align: center;
}

.btn-topX:hover {
	color: #ffffff;
	background-color: rgba(122, 122, 122, 0.9);
}

.carousel-control-prev,
.carousel-control-next {
	z-index: 10;
}

.visixs {
	display: none;
}

@media (min-width: 1500px) and (max-width: 1800px) {
	.cl-left {
		width: 700px;
	}
}

@media (min-width: 1200px) and (max-width: 1500px) {
	.cl-left {
		width: 500px;
	}
}

@media (min-width: 900px) and (max-width: 1200px) {
	.cl-txt h2 {
		font-size: 3rem;
	}
}

@media (max-width: 900px) {
	.cl-txt h2 {
		font-size: 2rem;
	}

	.visimd {
		display: none;
	}

	.visixs {
		display: block;
	}
}

@media (max-width: 576px) {
	.cl-txt h4 {
		font-size: 18px;
	}

	.cl-txt {
		padding: 1.5rem 3.5rem;
	}

	.carousel-main .ci {
		bottom: 2%;
	}

	.ci {
		margin-left: 15%;
	}

	.btn-top {
		margin-top: 0;
	}
}

@media (max-width: 460px) {
	.cl-txt {
		padding: 10px 20px;
	}

	.cl-txt h2 {
		font-size: 1.5rem;
	}

	.cl-txt p {
		font-size: 16px;
		line-height: 20px;
	}

	.btn-top {
		letter-spacing: 0;
	}

	.cl-txt p strong {
		font-size: 1.8rem;
	}
}

/*====================================
# 影片
==================================== */
.section-kv {
	position: relative;
	margin-top: -72px;
	overflow: hidden;
	/* height: 98vh; */
}

.kv-content {
	position: absolute;
	overflow: hidden;
	z-index: 1;
	height: 100%;
	width: 100%;
	background: linear-gradient(to top, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.65) 100%);
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
}

.kv-viedeo {
	width: 100%;
	height: 100%;
}

.kv-viedeo video {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.kv-txt {
	color: #ffffff;
	text-align: center;
}

.kv-txt img {
	max-width: 500px;
}

.section-kv h1,
.section-kv h2,
.section-kv h5 {
	text-shadow: 1px 1px 5px #333;
}

.section-kv h1 {
	font-size: 3.2rem;
	font-weight: 600;
	letter-spacing: 0.2rem;
}

.section-kv h2 {
	font-size: 2.8rem;
	letter-spacing: 0.2rem;
	margin-bottom: 1.5rem;
}

.section-kv h5 {
	font-size: 1.2rem;
	font-weight: 400;
	letter-spacing: 0.2rem;
}

@media (max-width: 920px) {
	.section-kv {
		height: 70vh;
	}

	.kv-viedeo #videoPlayer {
		width: 100%;
		height: 100%;
		object-fit: fill;
	}

	.section-kv h1 {
		font-size: 4rem;
		letter-spacing: 1px;
	}

	.section-kv h2 {
		font-size: 1.5rem;
	}

	.section-kv h5 {
		letter-spacing: 0.05rem;
	}

	.section-kv .btn-top {
		margin-top: 2rem;
	}
	
}

@media (max-width: 700px) {
	.section-kv h1 {
		font-size: 3rem;
	}

	.section-kv h2 {
		font-size: 1.2rem;
	}
}

/* =======================================
# scrolldown
========================================= */

.scrolldown {
	/*位置*/
	position: absolute;
	bottom: 30px;
	left: 50%;
}

.scrolldown .trail {
	margin-left: 3px;
	height: 15px;
	width: 15px;
	border: 1px solid;
	border-color: #fff transparent transparent #fff;
	transform: rotate(-135deg);
	-webkit-animation-delay: 0.1s;
	-moz-animation-delay: 0.1s;
	animation-delay: 0.1s;
	-webkit-animation: srcoll-trail 1.2s infinite;
	-moz-animation: srcoll-trail 1.2s infinite;
	animation: srcoll-trail 1.2s infinite;
}

.scrolldown .trail:nth-child(2) {
	-webkit-animation-delay: 0.2s;
	-moz-animation-delay: 0.2s;
	animation-delay: 0.2s;
}

@-webkit-keyframes scroll {
	0% {
		opacity: 1;
	}

	100% {
		opacity: 0;
		-webkit-transform: translateY(10px);
		transform: translateY(10px);
	}
}

@-moz-keyframes scroll {
	0% {
		opacity: 1;
	}

	100% {
		opacity: 0;
		-webkit-transform: translateY(10px);
		transform: translateY(10px);
	}
}

@-o-keyframes scroll {
	0% {
		opacity: 1;
	}

	100% {
		opacity: 0;
		-webkit-transform: translateY(10px);
		transform: translateY(10px);
	}
}

@keyframes scroll {
	0% {
		opacity: 1;
	}

	100% {
		opacity: 0;
		-webkit-transform: translateY(10px);
		transform: translateY(10px);
	}
}

@-webkit-keyframes srcoll-trail {
	0% {
		opacity: 0;
	}

	50% {
		opacity: 1;
	}

	100% {
		opacity: 0;
	}
}

@-moz-keyframes srcoll-trail {
	0% {
		opacity: 0;
	}

	50% {
		opacity: 1;
	}

	100% {
		opacity: 0;
	}
}

@-o-keyframes srcoll-trail {
	0% {
		opacity: 0;
	}

	50% {
		opacity: 1;
	}

	100% {
		opacity: 0;
	}
}

@keyframes srcoll-trail {
	0% {
		opacity: 0;
	}

	50% {
		opacity: 1;
	}

	100% {
		opacity: 0;
	}
}