.banner {
	width: 100%;
	max-height: 100%;
	position: relative;
	overflow: hidden;	
	background-color:#FFF;
}
.banner_m {
	display: none;
}
.video {
	width: 100%;
	height: 100%;
	overflow: hidden;
	position: relative;
}

.video video {
	width: 100%;
	height: auto;
	object-fit: fill;
}

.video:after {
	content: '';
	display: block;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.1);
	position: absolute;
	z-index: 1;
	top: 0px;
	left: 0px;
}

.banner .ban_txt {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 100%;
	font-weight:500;
	text-align: center;
	transform: translate(-50%,-50%);
	-webkit-transform: translate(-50%,-50%);
	z-index: 2;
}
@media screen and (max-width:768px) {
.banner .ban_txt {
 display: none; 
}
}
.banner .ban_txt h3 {
	text-shadow: 0 0 0.1em #000;
	text-align: center;
	font-size: 25px;
	font-weight:500;
	color: #FFF;
	letter-spacing: 5px;
}

.banner .ban_txt p {
	text-shadow: 0 0 0.1em #000;
	text-align: center;
	font-size: 44px;
	color: #FFF;
	padding-bottom:2%;
	font-weight: bold;
	letter-spacing: 2px;
}

.banner .ban_txt .to-a {
	margin: 50px auto 0;
}

.video.jsvideo {
	display: none;
}
}

@media only screen and (max-width:1600px ) {
	.insolutions {
		padding: 0px 0;
	}

	.i-case {
		padding: 70px 0;
	}

	.i-dynamic {
		padding: 70px 0;
	}

	.footer2020 .top {
		padding: 70px 0 120px;
	}

	.header .pcnav li a {
		font-size: 16px;
	}

	.banner .ban_txt p {
		font-size: 42px;
	}

	.banner .ban_txt h3 {
		font-size: 20px;
	}

	.insolutions a {
		width: 31%;
		margin: 0 2.5% 2.5% 0;
	}

	.insolutions a dd h4 {
		font-size: 24px;
		margin-bottom: 70px;
	}

	.insolutions a dd span {
		font-size: 14px;
		letter-spacing: 0px;
		line-height: 35px;
	}
}

.to-a {
	display: block;
	overflow: hidden;
	border: 0px solid #3388FF;
	text-align: center;
	height: 49px;
	line-height: 36px;
	width: 180px;
	position: relative;
	border-radius: 6px;
	background: #066ddf;
}

.to-a .t {
	font-weight: bold;
	text-align: center;
	display: block;
	font-size: 16px;
	color: #FFF;
	position: relative;
	z-index: 2;
	line-height: 49px;
}

.to-a .t .fa {
	font-size: 16px;
	margin-left: 10px;
	color: #FFF;
}

.to-a .b {
	position: absolute;
	width: 100%;
	height: 100%;
	background: #f77d05;
	top: 0;
	left: -100%;
	transition: all .3s;
	z-index: 1;
}

.to-a:hover {
	border: 0px solid #f77d05;
}

.to-a:hover .b {
	left: 0;
}

.banner  .more_btn {
	float: right;
	color: #FFF;
	background: #207ED6;
}

.banner .more_btn::after {
	content: none;
}

.banner .swiper_btn_box {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 80px;
	z-index: 100;
}

.banner .swiper-pagination {
	position: static;
	text-align: center;
}

.banner .swiper-pagination-bullet {
	width: 20px;
	height:20px;
	margin: 38px 3px;
	display: inline-block;
	vertical-align: top;
	border-radius: 50%;
	overflow: hidden;
	cursor: pointer;
	background: #FFF;
}

.banner .swiper-pagination-bullet-active {
	background: #207ED6;
	opacity: 1;
}

@media (max-width:768px) {
	.banner_pc {
		display: none;
	}

	.banner_m {
		display: block;
	}

	.banner_m .swiper_btn_box {
		height: 38px;
	}

	.banner_m .swiper-pagination-bullet {
		margin:8px 3px;
		width: 10px;
		height:10px;
	}
}