/* 首页 */
.b_product{
	position: fixed;
	bottom: 200px;
	right: 100px;
	z-index: 9999;
}

.b_product .b_product_content{
	height: 37px;
	line-height: 37px;
	display: flex;
	flex-direction: row;
	padding: 0 20px;
	align-items: center;
	justify-content: space-between;
	background: #E50011;
	border-radius: 19px;
	cursor: pointer;
}

.b_product .b_product_content img{
	width: 19px;
	height: 19px;
}
.b_product .b_product_content p{
	margin-left: 10px;
	font-size: 14px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #FFFFFF;
}


.b_product1{
	position: fixed;
	right: 50px;
	bottom: 50px;
	display: none;
	z-index: 9999;
}
.b_product1 .b_product1_content{
	background: #FFFFFF;
	box-shadow: 0px 0px 13px 0px rgba(0,0,0,0.13);
	border-radius: 10px;
	position: relative;
	padding: 30px;
	display: flex;
	flex-direction: column;
}
.b_product1 .b_product1_content .content_h2{
	font-size: 16px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #33899C;
	margin-bottom: 20px;
}

.b_product1 .b_product1_content  .content_column{
	display: flex;
	flex-direction: column;
	width: 100%;
}

.b_product1 .b_product1_content  .content_column a{
	font-size: 14px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #5F5D5D;
	margin-bottom: 20px;
	width: 100px;
	padding-right: 20px;
	background: url(../images/welcome/b_product1.png) no-repeat center right;
	background-size: 5px 7px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
}
.b_product1 .b_product1_content .content_column a:last-child{
	margin-bottom: 0;
}
.b_product1 .b_product1_content .content_column a:hover{
	color: #33899C;
	background: url(../images/welcome/b_product2.png) no-repeat center right;
	background-size: 5px 7px;
}

.b_product1 .b_product1_content .product3{
	position: absolute;
	top: 15px;
	right: 15px;
	width: 14px;
	height: 14px;
	cursor: pointer;
}






.banner {
	position: relative;
	margin-top: 87px;
}
.banner_swiper{
	position: relative;
}
#index .banner .banner_swiper .swiper-button-next,#index .banner .banner_swiper .swiper-button-prev{
	width: 23px;
	height: 45px;
	margin-top: -22.5px;
	background-size: 23px 45px;
	background-image:url(../images/welcome/zuo.png);

}
#index .banner .banner_swiper .swiper-button-prev{
	left: 100px;
	transform: rotate(180deg);
	-ms-transform: rotate(180deg);
	-moz-transform: rotate(180deg);
	-webkit-transform: rotate(180deg);
	-o-transform: rotate(180deg);
}
#index .banner .banner_swiper .swiper-button-next{
	right: 100px;
}


.welcome_about{
	margin: 35px 0 10px;
	display: flex;
	flex-direction: row;
	width: 100%;
	justify-content: flex-start;
	flex-wrap: wrap;
}

.welcome_about .about_min{
	width: calc((100% - 75px) / 4);
	margin-right: 25px;
	margin-bottom: 25px;
	position: relative;
	height: 256px;
	z-index: 99;

}
.welcome_about .about_min:nth-of-type(4n) {
  margin-right: 0;
}
.welcome_about .about_min .pic{
	position: relative;
	height: 256px;
	transition: .5s;
	top: 0;
}

.welcome_about .about_min:hover .pic{
	top: -161px;
	height: 417px;
}
.welcome_about .about_min .pic .about_content{
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	padding: 35px;
	display: flex;
	flex-direction: column;
	transition: .5s;
}
.welcome_about .about_min:hover .pic .about_content{
	background: rgba(134, 186, 197, 0.6);
}

.welcome_about .about_min .pic .about_content .about_name{
	font-size: 24px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #FFFFFF;
	position: relative;
	padding-top: 15px;
}
.welcome_about .about_min .pic .about_content .about_name::before{
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 34px;
	height: 2px;
	background: #FFFFFF;
}

.welcome_about .about_min .pic .about_content .content_footer{
	margin-top: 60px;
	display: block;
	opacity: 0;
	flex-direction: column;
	width: 100%;
	transition: .5s;
	overflow: hidden;
}
.welcome_about .about_min .pic .about_content .content_footer p{
	font-size: 16px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 30px;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	overflow: hidden;
}
.welcome_about .about_min .pic .about_content .content_footer .content_but{
	margin-top: 80px;
}
.welcome_about .about_min:hover .pic .about_content .content_footer{
	opacity: 1;
}
@media (max-width: 1721px) {
	#index .banner .banner_swiper .swiper-button-prev{
		left: 5%;
	}
	#index .banner .banner_swiper .swiper-button-next{
		right: 5%;
	}
}

@media (max-width: 1600px) {
	.welcome_about .about_min .pic .about_content .about_name {
	  font-size: 20px;
	}
	
	.welcome_about .about_min .pic .about_content .about_name::before {
	    width: 30px;
	}
}

@media (max-width: 1440px) {
	
	.welcome_about .about_min,.welcome_about .about_min .pic{
		height: 206px;
	}
	.welcome_about .about_min:hover .pic {
	  top: -141px;
	  height: 347px;
	}
	
	.welcome_about .about_min .pic .about_content .content_footer {
	  margin-top: 35px;
	}
	.welcome_about .about_min .pic .about_content .content_footer p {
	  font-size: 14px;
	  line-height: 26px;
	}
	.welcome_about .about_min .pic .about_content .content_footer .content_but {
	  margin-top: 55px;
	  width: 38px;
	}
}
@media (max-width: 1280px) {

}

@media (max-width: 992px) {
	.banner{
		margin-top: 0px;
		padding-top: 80px;
	}
	.welcome_about .about_min {
	  width: calc((100% - 25px) / 2);
	}
	.welcome_about .about_min:nth-of-type(2n) {
	  margin-right: 0;
	}
	.welcome_about .about_min, .welcome_about .about_min .pic {
	  height: 300px;
	}
	.welcome_about .about_min .pic .about_content {
	  background: rgba(134, 186, 197, 0.6);
	}
	.welcome_about .about_min:hover .pic{
		top: 0;
		height: 300px;
	}
	.welcome_about .about_min .pic .about_content .content_footer {
	  opacity: 1;
	}
	
	#index .banner .banner_swiper .swiper-button-next, #index .banner .banner_swiper .swiper-button-prev {
	  width: 15px;
	  height: 29px;
	  margin-top: -14.5px;
	  background-size: 15px 29px;
	}
	
	.welcome_about .about_min .pic .about_content .content_footer .content_but {
	  margin-top: 24px;
	}
}


@media (max-width: 600px) {
	.banner{
		padding-top: 64px;
	}
	.welcome_about .about_min {
	  width: 100%;
	  margin-right: 0!important;
	}
	
	.welcome_about .about_min, .welcome_about .about_min .pic {
	  height: 230px;
	}
	.welcome_about .about_min .pic .about_content {
	  padding: 30px
	}
	.welcome_about .about_min .pic .about_content .about_name {
	  font-size: 18px;
	}
	.welcome_about .about_min .pic .about_content .about_name::before {
	  width: 23px;
	}
	.welcome_about .about_min .pic .about_content .content_footer {
	  margin-top: 20px;
	}
	.welcome_about .about_min .pic .about_content .content_footer p {
	  font-size: 12px;
	  line-height: 20px;
	  display: -webkit-box;
		-webkit-box-orient: vertical;
		-webkit-line-clamp: 2;
		overflow: hidden;
	}
	.welcome_about .about_min .pic .about_content .content_footer .content_but {
	  margin-top: 30px;
	  width: 28px;
	}
	
	
	
	
	.b_product{
		display: none;
	}
}