@charset "utf-8";

.lt_bn {
	position: relative;
	border: 5px solid #05488a;
}

.lt_bn li {
	position: relative;
	text-align: center;
}

.lt_bn li img {
	width: 100%;
	height: auto;
	vertical-align: top
}

.lt_bn .bn_txt {
	width: 100%;
	z-index: 2;
	position: absolute;
	text-align: left;
	top: 50%;
	left: 0;
	-webkit-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	transform: translateY(-50%);
}

.lt_bn .txt_wr {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 3%
}

.lt_bn li .bn_tit {
	display: block;
	max-width: 500px;
	font-size: 4em;
	font-weight: 600;
	line-height: 1.4em;
	color: #4ad1d4;
	word-break: keep-all
}

.lt_bn li .bn_detail {
	font-size: 1.385em;
	margin: 35px 0;
	color: #888;
	font-weight: 400
}

.lt_bn li .bn_view {
	display: inline-block;
	background: none;
	color: #4ad1d4;
	border: 2px solid #4ad1d4;
	padding: 0 25px;
	line-height: 45px;
	border-radius: 30px;
	;
	transition: 0.3s all ease-in-out;
	-webkit-transition: 0.3s all ease-in-out;
	-moz-transition: 0.3s all ease-in-out;
	-o-transition: 0.3s all ease-in-out;
	-ms-transition: 0.3s all ease-in-out
}

.lt_bn li .bn_view:hover {
	background: #4ad1d4;
	color: #fff
}

.arrow {
	position: relative;
	display: inline-block;
	vertical-align: middle;
	transform: rotate(45deg);
	box-sizing: border-box;
	width: 11px;
	height: 11px;
	border-width: 2px 2px 0 0;
	border-style: solid;
	margin-left: 25px;
}

.arrow:before {
	right: 0;
	top: -1px;
	position: absolute;
	height: 2px;
	box-shadow: inset 0 0 0 32px;
	width: 18px;
	-webkit-transform: rotate(-45deg);
	transform: rotate(-45deg);
	-webkit-transform-origin: right top;
}

.arrow:after,
.arrow:before {
	content: "";
	box-sizing: border-box;
}

.lt_bn .bx-prev {
	position: absolute;
	top: 50%;
	left: 0;
	width: 50px;
	height: 50px;
	margin-top: -25px;
	opacity: 0.5;
	text-indent: -999px;
	overflow: hidden;
	background: url(prev.png) no-repeat 50% 50% rgba(0, 0, 0, 0.1)
}

.lt_bn .bx-next {
	position: absolute;
	top: 50%;
	right: 0;
	width: 50px;
	height: 50px;
	margin-top: -25px;
	opacity: 0.5;
	text-indent: -999px;
	overflow: hidden;
	background: url(next.png) no-repeat 50% 50% rgba(0, 0, 0, 0.1)
}

.lt_bn .bx-prev:hover,
.lt_bn .bx-next:hover {
	opacity: 1
}

.lt_bn .bn_link {
	display: block;
	position: absolute;
	top: 10px;
	right: 10px;
	background: #ff0000;
	color: #fff;
	border-radius: 50px;
	width: 40px;
	padding: 0;
	line-height: 40px;
	text-align: center;
	opacity: 0
}

.lt_bn:hover .bn_link {
	opacity: 1
}

@media (max-width:1279px) {
	.lt_bn li .bn_tit {
		font-size: 3em
	}

	.lt_bn li .bn_detail {
		font-size: 1.2em;
		margin: 20px 0
	}
}

@media (max-width: 969px) {
	.lt_bn li .bn_tit {
		font-size: 2.5em
	}

	.lt_bn li .bn_detail {
		font-size: 1em
	}

	.lt_bn li .bn_view {
		line-height: 40px;
		font-size: 1em
	}

	.lt_bn .txt_wr {
		padding: 40px
	}
}

@media (max-width: 639px) {
	.lt_bn li .bn_tit {
		font-size: 1.8em;
		width: 60%
	}

	.lt_bn li .bn_view {
		display: none
	}

	.lt_bn li .bn_detail {
		display: none
	}

	.lt_bn .bx-prev,
	.lt_bn .bx-next {
		width: 36px;
		height: 36px;
		margin-top: -18px;
		background-size: 25%
	}
}