.t_b1con {
	position: relative;
}

.t_ernav {
	z-index: 2;
	position: relative;
	display: flex;
	justify-content: center;
}

.t_erzhong {
	display: flex;
}

.t_erzhong .t_erli {
	margin: 0 4px;
}

.t_erwen {
	line-height: 80px;
	font-size: 22px;
	color: #999;
	line-height: 96px;
	padding: 0 35px;
	cursor: pointer;
	position: relative;
	transition: all 0.36s;
}


.t_erwen::before {
	content: '';
	width: 5px;
	height: 5px;
	border-radius: 50%;
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	left: 18px;
	background: #999;
	transition: all 0.36s;
}

.t_erli.on .t_erwen::before {
	background: #333;
}


.t_erwen::after {
	content: '';
	width: 0;
	height: 3px;
	border-radius: 0;
	position: absolute;
	bottom: 0;
	transform: translatex(-50%);
	left: 50%;
	background: transparent;
	transition: all 0.36s;
}

.t_erli.on .t_erwen,
.t_erli:hover .t_erwen {
	color: #df002c;
	font-weight: bold;
}

.t_erli.on .t_erwen::after,
.t_erli:hover .t_erwen::after {
	width: 100%;
	background: #df002c;
}


.t_b1k1 {
	text-align: center;
	background: #f8f8f8;
	padding-top: 75px;
}

.t_b1k1 .t_line1 {
	margin-bottom: 19px;
	height: 44px;
	position: relative;
}

.t_line1::before {
	content: '';
	left: calc(50% - 0.5px);
	top: 0;
	position: absolute;
	background: #333;
	width: 1px;
	height: 100%;
}

.t_b1k1 .t_ywh2 {
	margin-bottom: 0px;
}

.t_ywh2 h2 {
	font-size: 36px;
	font-weight: bold;
	color: #333;
	line-height: 1.5;
}

.t_b1picwai {
	display: flex;
	justify-content: center;
}

.t_b1pic {
	width: 700px;
	position: relative;
}

.t_b1k2box {
	padding-top: 60px;
	padding-bottom: 60px;
}

.t_b1k2qie {
	padding: 0 30px;
}
.t_b1k2qie p{
	font-size: 16px;
    line-height: 30px;
    color: #333;
    padding-left: 18px;
    background: url(../images/leftbj.png) 0px 6px no-repeat;
    background-size: 16px 16px;
    vertical-align: middle;
	transition: all 0.4s;
}

.t_b1k2qie:hover p{
	font-weight: 600;
	transform: translateX(6px);
}

.t_b1k3 {
	background-color: #f3f3f3;
}

.tksfl{display: flex;}
.tksleft h2{width:280px;font-size: 36px;font-weight: bold;color: #333;line-height: 1.5;text-align: center;padding-top: 80px;}

.tksright{display: flex;flex-wrap: wrap;padding-top: 30px; padding-bottom: 40px;}
.tksright .tksitem{width: 20%; text-align: center;padding: 0 24px;margin-bottom: 34px;}
.tksitem .itemimg{position: relative;padding: 30px 30px;margin: 10px 20px;}
.tksitem .itemimg::after{
	content: '';width: 100%;height: 100%;
    position: absolute;top: 0;left: 0;
    border-radius: 50%;display: inline-block;
    border: 2px solid #df002c;
	opacity: 0; transition: all 0.36s;
}
.tksitem:hover .itemimg::after{
	opacity: 1;
}
.itemimg img{width: 100%;}

.tksright .tksitem p{font-size: 18px;line-height: 1.5;color: #666;font-weight: bold;text-align: center;height: 27px;overflow: hidden;}

@media screen and (min-width: 1200px){}

@media screen and (max-width: 1500px){}

@media screen and (max-width: 1200px){
	.t_erwen {
		line-height: 60px;
		padding: 0 24px;
		font-size: 20px;
	}

	.t_erwen::before {
		left: 10px;
	}

	.t_b1k1 .t_line1 {
		height: 36px;
		margin-bottom: 16px;
	}

	.t_b1k1 .t_ywh2 {
		margin-bottom: 18px;
	}

	.t_ywh2 h2 {
		font-size: 26px;
	}

	.t_b1picwai img {
		width: 660px;
	}

	.t_b1k2box {
		padding-top: 40px;
		padding-bottom: 30px;
	}

	.t_b1k2li {
		padding: 0px 4px;
	}

	.tksfl{
		flex-direction: column;
	}
	.tksleft h2{width: 100%;font-size: 30px;}
	.tksright .tksitem {
		width: 25%;
	}

}

@media screen and (max-width: 1000px) {}

@media screen and (max-width: 992px) {}

@media screen and (max-width: 769px) {
	.t_b1picwai img {
		width: 80%;
	}

	.t_erzhong .t_erli {
		margin: 0 0px;
	}

	.t_erwen {
		line-height: 50px;
		padding: 0px 12px;
		font-size: 13px;
	}

	.t_erwen::before {
		left: 3px;
	}

	.t_ywh2 h2 {
		font-size: 20px;
	}

	.tksright .tksitem{    
		padding: 0 4px;
		margin-bottom: 20px;
	}
	.tksitem .itemimg{
		padding: 0px 0px;
		margin: 10px 10px;
	}
	.tksfl{padding-bottom: 20px;}
}


@media screen and (max-width: 580px) {
	.t_b1k2qie {
		padding: 0 10px;
	}

	.t_ywh2 h2 {
		font-size: 18px;
	}
	.tksleft h2{
		font-size: 18px;
		padding-top: 50px;
	}
	.t_b1k1{
		padding-top: 50px;
	}
    .tksright{
		padding-top: 8px;
		padding-bottom: 25px;
	}
	.tksright .tksitem p {
		font-size: 14px;
	}
	.tksright .tksitem{
		margin-bottom: 10px;
	}
	.t_b1k2qie p {
		font-size: 13px;
	}
}