.layout {
	width: 100%;
	padding: 0 50px;
}

.header .head {
	display: -webkit-flex;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: center;
}
.logo img {
	max-height: 80px;
}
.nav .nav-tree {

}
.nav-tree .nav-item {
	padding: 0 20px;
	float: left;
	position: relative;
	transition: all 0.5s ease-out;
    -moz-transition: all 0.5s ease-out;
    -webkit-transition: all 0.5s ease-out;
    -o-transition: all 0.5s ease-out;
}
.nav-tree .active,  .nav-tree .nav-item:hover {
	background-color: #33a4b4;
}
.nav-item a {
	display: block;
	color: #333;
	line-height: 100px;
	font-weight: bold;
	font-size: 16px;
}
.nav-tree .active>a,  .nav-tree .nav-item:hover>a {
	color: #fff;
}
.nav-item .nav-tree {
	display: none;
	position: absolute;
	background-color: rgba(255,255,255,0.8);
	width: auto;
	left: 0;
	white-space: nowrap;
	z-index: 99;
	padding: 15px 0;
}
.nav-item .nav-tree .nav-item {
	width: 100%;
	padding: 0px 30px;
}
.nav-item .nav-tree a {
	line-height: 40px;
}

.banner {
	width: 100%;
}
.banner img {
	width: 100%;
}


.index {
	margin: 60px 0;
}
.index-choose {
	padding: 40px 0;
}
.index-choose .choose-list {
	margin-top: 50px;
	display: flex;
	flex-wrap: wrap;
	border-right: 1px solid #ccc;
	border-bottom: 1px solid #ccc;
}
.choose-list .choose-item {
	width: 50%;
	border-left: 1px solid #ccc;
	border-top: 1px solid #ccc;
	padding: 40px 50px;
	position: relative;
	overflow: hidden;
}
.choose-list .choose-item:hover {
	box-shadow: 0px 0px 10px #ccc;
}
.choose-item h3 {
	font-size: 30px;
	font-weight: bold;
	line-height: 1.5;
	color: #33a4b4;
	margin-bottom: 15px;
}
.choose-item h3 span {
	display: inline;
	font-size: 20px;
	margin-left: 10px;
}
.choose-item p {
	font-size: 16px;
	line-height: 1.5;
	color: #666;
	margin-bottom: 10px;
}
.choose-item p:nth-child(2) {
	color: #33a4b4;
}
.choose-item img {
	position: absolute;
	right: 50px;
	top: 50%;
	transform: translateY(-50%);
	width: 120px;
	opacity: 0.6;
}


.index-about {
	padding: 80px 0 40px 0;
	background-image: url(../images/about_bg.jpg);
	background-size: 100%;
	position: relative;
}
.index-about .about {
	width: 50%;
	padding: 0 30px;
}
.title h2 {
	font-size: 34px;
	line-height: 150%;
	margin-bottom: 20px;
	font-weight: bold;
	position: relative;
	text-align: center;
}
.index-about .title h2 {
	color: #fff;
	text-align: left;
}
.about .about-content p {
	line-height: 1.5;
	font-size: 16px;
	margin-bottom: 10px;
	color: #fff;
	opacity: 0.8;
	text-indent: 32px;
}
.about .about-btn {
	position: absolute;
	margin-top: 30px;
}
.about-btn a {
	display: block;
	border-radius: 10px 0 10px 0;
	padding: 15px 30px;
	color: #fff;
	border: 1px solid #fff;
	font-size: 16px;
	font-weight: bold;
}
.about-btn a:hover {
	background-color: #fff;
	color: #33a4b4;
}

.index-product {
	padding: 40px 0;
}
.index-product .product-list {
	margin-top: 50px;
	display: flex;
	flex-wrap: wrap;
}
.product-list .product-item {
	width: calc(25% - 15px);
	margin-right: 20px;
}
.product-item img {
	width: 100%;
}
.product-item:hover img {
	transform: scale(1.2);
}
.product-list .product-item:nth-child(4n) {
	margin-right: 0;
}
.product-item .product-img {
	border-radius: 30px 0 30px 0;
	border: 1px solid #ccc;
	overflow: hidden;
}
.product-item .product-info {
	padding: 15px 10px;
}
.product-info a {
	display: block;
	font-size: 16px;
	line-height: 1.5;
	text-align: center;
	font-weight: bold;
}
.product-item:hover .product-info a {
	color: #33a4b4;
}

.index-case {
	padding: 40px 0;
	background-color: #f1f1f1;
}
.index-case .case-list {
	margin-top: 50px;
	display: flex;
	overflow: hidden;
}
.case-list .case-item {
	width: 33.3333333%;
	position: relative;
}
.case-item .case-img {
	position: relative;
}
.case-img img {
	margin: -50px;
	position: relative;
}
.case-list .case-item:nth-child(2) {
    -webkit-transform: skewX(-5deg);
    -ms-transform: skewX(-5deg);
    -o-transform: skewX(-5deg);
    transform: skewX(-5deg);
    overflow: hidden;
    z-index: 1;
}
.case-list .case-item .case-img:after {
	content: "";
	display: block;
	position: absolute;
	width: 200%;
	height: 100%;
	background-color: #33a4b4;
	opacity: 0.5;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
}
.case-list .case-item:hover .case-img:after {
	display: none;
}
.case-list .case-item:hover img {
	transform: scale(1.2);
}

.case-item .case-info{
	position: absolute;
	top: 80px;
	width: 100%;
	height: 100%;
}
.case-info a {
	display: block;
	color: #fff;
	font-weight: bold;
	font-size: 24px;
	text-align: center;
}

.index-news {
	padding: 40px 0;
}
.index-news .news-list {
	margin-top: 50px;
	display: flex;
	flex-wrap: wrap;
}
.news-list .news-item {
	width: calc(33.3333333% - 20px);
	position: relative;
	margin-right: 30px;
}
.news-list .news-item:nth-child(3n) {
	margin: 0;
}
.news-img img {
	width: 100%;
}
.news-item .news-info {
    border: 1px solid #ccc;
    background-color: #fff;
    width: calc(100% - 20px);
    transform: translate(20px,-40px);
    padding: 15px 15px 20px 15px;
}
.news-info h3 {
	font-size: 20px;
	line-height: 1.5;
	font-weight: bold;
	margin-bottom: 10px;
}
.news-info p {
    line-height: 1.5;
    margin-top: 10px;
    font-size: 14px;
    color: #666;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.news-info a {
	margin-top: 20px;
	display: block;
}

.news-item .news-info:before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background-color: #66be0c;
    background-image: -webkit-linear-gradient(-15deg,#33a4b4,#067787);
    background-image: linear-gradient(115deg,#33a4b4,#067787);
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    filter: alpha(opacity=0);
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-transition: all .3s ease;
    -o-transition: all .3s ease;
    transition: all .3s ease;
    z-index: -1;
}
.news-item:hover .news-info {
	border: 0;
}
.news-item:hover .news-info:before {
	opacity: 1;
}
.news-item:hover .news-info p, .news-item:hover .news-info h3, .news-item:hover .news-info a {
	color: #fff;
}


#myfooter {
	color: #fff;
	padding: 40px 0;
	position: relative
}

#myfooter .container-f {
	display: flex;
	justify-content: space-between;
	padding: 0 50px;
	margin: 0 auto;
	position: relative;
}

#myfooter>.container {
	text-align: center;
	position: relative
}
#myfooter h3 {
	margin-bottom: 15px;
	font-weight: 700;
	font-size: 15px;
	letter-spacing: 2px;
	text-transform: uppercase;
	color: rgba(255,255,255,.8)
}

#myfooter .panel1 {
	max-width: 50%
}

#myfooter .overlay {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0,0,0,.9)
}
#myfooter .panel1 {
	width: 30%;
}

#myfooter .panel1 img {
	width: 100%;
	max-width: 250px;
}

#myfooter .panel2 {
	width: 20%;
}

#myfooter .panel3 {
	width: 20%;
}

#myfooter .panel4 {
	width: 30%;
}

#myfooter .panel4 p {
	line-height: 1.5;
}
#myfooter .panel4 {
    width: 70%;
}
.panel4 ul {
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.panel4 li {
    width: 33.33333333%;
    text-align: center;
    padding: 50px 30px;
}
.panel4 li p {
    color: #666;
    font-size: 14px;
}
.panel4 li img {
    margin-bottom: 20px;
}
.panel4 li a {
    color: #666;
    font-size: 14px;
}
.panel4 li span {
    margin-bottom: 5px;
    display: block;
    color: #000;
}
.panel4 li:hover {
    background-color: #33a4b4;
}
.panel4 li:hover p, .panel4 li:hover span, .panel4 li:hover a{
    color: #fff;
}
#myfooter .container {
    background-color: #33a4b4;
    color: #fff;
    max-width: 100%;
    width: 100%;
    padding: 30px;
}
#myfooter .quick-nav {
    padding: 30px 0;
}
.quick-nav ul {
    display: -webkit-flex;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
.quick-nav li {
    padding: 0 10px;
}
#myfooter {
    border-top: 8px solid #33a4b4;
    padding: 0;
}
#myfooter .foot-center {
    border-bottom: 1px solid #ccc;
}
#myfooter .container-f {
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    
}
.container-f .panel1{
    padding: 50px 0;
    border-right: 1px solid #ccc;
    background: rgba(255,255,255,0.5);
    background-size: 60%;
    background-repeat: no-repeat;
    background-position-x: 105%;
    background-position-y: 80%;
}


/*about*/
.catagery-nav ul {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: -webkit-flex;
    display: flex;
    justify-content: center;
}
.catagery-nav li {
    width: 200px;
    text-align: center;
}
.catagery-nav li a {
    display: block;
    line-height: 60px;
    font-size: 20px;
}
.catagery-nav li.active, .catagery-nav li:hover {
    background-color: #33a4b4;
}
.catagery-nav li.active a, .catagery-nav li:hover a {
    color: #fff;
    font-weight: bold;
}

.block-item {
    padding: 30px 0;
}
#about {
    background-color: #f7f7f7;
}
.block-item .title {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
.block-item h2 {
	text-align: left;
}
.block .title h2 {
    font-size: 32px;
    line-height: 150%;
    padding: 30px 0;
    font-weight: normal;
}
.block .title h2:after {
    content: "";
    width: 40px;
    height: 3px;
    display: block;
    background-color: #33a4b4;
    margin-top: 5px;
}
.block-item .item {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: -webkit-flex;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: relative;
    padding: 30px 0;
}
.item .item-info {
    width: 60%;
    position: absolute;
    left: 0;
    background-color: #fcfcf9;
    padding: 30px 20px;
}
.item .item-info p {
	line-height: 1.5;
	font-size: 16px;
	margin-top: 10px;
	color: #666;
	text-indent: 32px;
}
.item .item-img img {
	max-width: 100%;
}
#certificate h2 {
    text-align: center;
    position: relative;
    margin-bottom: 20px;
}
#certificate h2:after {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.img-list {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
.img-list ul{            
    display: flex;/*显示模式设置为弹性盒子*/
    flex-wrap: wrap;/*进行强制换行*/
}        
.img-list ul:after{            
    /*对最后一个伪元素进行最大限度伸缩*/            
    content: ' ';            
    flex-grow: 999999999999999999999999999999999999;        
}        
.img-list ul img{                     
    width: 100%;                        
    flex-grow: 1;/*进行按比例伸缩*/            
    object-fit: cover;/*进行裁切，并且图片按比例缩放*/  
    position: relative; 
    margin-top: 0;     
}
.img-list ul img:hover {
	transform: scale(1.5);
}
.img-list li {
    width: calc(25% - 4px);
    margin: 2px;
    overflow: hidden;
}
.swiper-container {
    width: 100%;
    margin: 0 auto;
}

#certificate img {
	width: 100%;
}


/*product*/
.product li a {
	font-size: 16px;
}
.product ul {
	flex-wrap: wrap;
}
.block{
    background-image: linear-gradient(#f7f7f7, #fff, #fff, #fff, #fff, #fff);
}
.block .catagery-child {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}
.catagery-child .child-item {
    padding: 20px 15px;
}
.catagery-child .active a{
    color: #33a4b4;
}
.child-item a {
    display: block;
}

.block .prolist {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    padding: 30px 0;
}
.prolist .product-item {
    width: calc(33.3333333% - 30px);
    margin: 15px;
}
.block .product-item .product-img {
	border: 1px solid #ccc;
	overflow: hidden;
}
.product-item img {
    width: 100%;
    vertical-align: middle;
    overflow: hidden;
}
.product-item span {
    display: block;
    text-align: center;
    line-height: 150%;
    padding: 10px 0;
}

.block .page {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 50px;
    justify-content: center;
}
.page span a {
    line-height: 30px;
    width: 30px;
    display: block;
    text-align: center;
    margin: 0 5px;
    border: 1px solid #eee;
    border-radius: 3px;
}
.page span.active a, .page span:hover a {
    background-color: #33a4b4;
    color: #fff;
}

.block .product-right {
    margin: 20px 0 50px 0;
}
.product-right .shown_products_a {
    display: -webkit-flex;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.product-right .shown_products_a_left {
    width: 40%;
}
.product-right .shown_products_a_right {
    width: 58%;
    padding: 40px 20px;
}
.shown_products_a_right p {
	line-height: 1.5;
	font-size: 16px;
	color: #666;
}
.shown_products_a_right h1 {
    font-size: 30px;
    line-height: 200%;
}
.shown_products_a_right h3 {
    font-size: 16px;
    color: #666;
    line-height: 150%;
}
.product-right .shown_products_b {
    margin-top: 20px;
}
.shown_products_b .op {
    background-color: #72c2c1;
}
.op h2 {
    line-height: 60px;
    padding-left: 10px;
    color: #fff;
    font-size: 20px;
}
.shown_products_b .opt {
    padding: 20px 0;
}


/*新闻*/
.block .news-list {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0 30px 0;
}
.block .news-list .news-item {
    display: -webkit-flex;
    display: flex;
    /*justify-content: space-between;*/
    align-items: center;
    padding-bottom: 30px;
}
.block .news-list .news-item {
	width: 100%;
}
.block .news-item .news-left {
    padding: 0 20px;
    border: 1px solid #ccc;
    border-radius: 30px 0 30px 0;
}
.news-item .news-left span {
    display: block;
    text-align: center;
    font-size: 60px;
    width: 80px;
    line-height: 80px;
    border-bottom: 1px solid #666;
    color: #33a4b4;
}
.news-item .news-left p {
    text-align: center;
    line-height: 40px;
}
.news-item .news-right {
    margin-left: 20px;
}

.news-right h3 {
    font-size: 20px;
    line-height: 200%;
}
.news-right p {
    font-size: 14px;
    line-height: 150%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.block .news-title {
    width: 100%;
    max-width: 1200px;
    text-align: center;
    padding: 60px 0 40px 0;
    margin: 0 auto;
}
.news-title h2 {
    font-size: 32px;
    line-height: 150%;
}
.block .news-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 30px;
}
.news-content p {
	font-size: 16px;
	line-height: 1.5;
	margin-bottom: 10px;
	text-indent: 32px;
	color: #666;
}
.news-content img{
max-width:100%;
}
.block .news-btn {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: -webkit-flex;
    display: flex;
    justify-content: space-between;
    margin-bottom: 50px;
}
.news-btn .news-prev {
    background-image: url(../images/prev.png);
    padding-left: 50px;
    background-repeat: no-repeat;
}
.news-btn a {
	display: block;
	line-height: 2;
}
.news-btn div:hover a {
    color: #33a4b4;
}
.news-btn .news-prev:hover {
    background-image: url(../images/prev1.png);
}
.news-btn .news-next {
    background-image: url(../images/next.png);
    padding-right: 50px;
    background-repeat: no-repeat;
    background-position-x: 100%; 
}
.news-btn .news-next:hover {
    background-image: url(../images/next1.png);
}

/*电子样册*/
.block .download-list {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 0;
}
.download-list h2 {
    font-size: 32px;
    line-height: 200%;  
    margin-bottom: 30px; 
}
.download-list h2:after {
    content: "";
    width: 40px;
    height: 3px;
    background-color: #33a4b4;
    display: block;
    margin-bottom: 10px;
}
.download-list .download-item {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}
.download-list .download-item a {
    display: -webkit-flex;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.download-item a i {
    color: #999;
}
.download-item a:hover i {
    color: #33a4b4;
}

/*联系*/
.block .contact {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}
.contact-content {
    width: 100%;
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    position: relative;
}
.contact-content:before {
	display: block;
	content: "";
	width: 100%;
	height: 100%;
	background-image: url(../images/contact.png);
	background-size: 100%;
	background-repeat: no-repeat;
	background-position: center;
	position: absolute;
	z-index: 1;
	opacity: 0.2;
}
.contact-item {
    display: flex;
    align-items: center;
    padding: 20px 0;
    width: 50%;
}
.contact-item i {
    width: 70px;
    text-align: center;
    font-size: 60px;
    line-height: 70px;
    color: #aaa;
}
.contact-item .contact-info {
	margin-left: 20px;
}
.contact-item a {
    display: block;
    font-size: 16px;
    line-height: 1.5;
}
#map {
	height: 500px;
	position: relative;
	width: 100%;
}
#map img {
	width: 100%;
}
.block .layout {
	max-width: 1200px;
	width: 100%;
	margin: 0 auto;
	padding: 0;
}
.inquiry {
	max-width: 1200px;
	width: 100%;
	margin: 0 auto;
}
.col-l-1 {
	float: left;
	text-align: left;
	width: 50%;
}
.col-l-2 {
	float: left;
	text-align: left;
	width: 100%;
}
.col-r-1 {
	float: right;
	text-align: right;
	width: 50%;
}
.col-r-2 {
	float: right;
	text-align: right;
	width: 100%;
}
.form .form-item textarea ,.form .form-item input {
	box-sizing: border-box; 
	width: 98%;
	line-height: 40px;
	padding: 0 5px;
	border: 1px solid #eee;
	border-radius: 5px;
	margin-bottom: 10px;
}
.form .form-item textarea {
	min-height: 100px;
	width: 100%;
}
#send {
	background-color: #303030;
	text-align: center;
	color: #fff;
	font-weight: 700;
	font-size: 16px;
	width: 200px;
	margin-top: 20px;
}
#send:hover {
	background-color: #33a4b4;
}
.form .form-item img {
	position: absolute;
	right: 0;
	top: 0;
	margin: 0;
}
.form .form-item:last-child {
	text-align: center;
}

/*证书 公司环境*/
.inner-page .inner-box {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}
.inner-box .grid {
    display: flex;
    flex-wrap: wrap;
}
.grid .column {
    width: calc(33.3333333333333% - 30px);
    margin: 15px;
}
#certificate .grid .column {
	width: calc(25% - 30px);
    margin: 15px;
}
.column img {
    width: 100%;
}
.column h3 {
    text-align: center;
    line-height: 150%;
    padding: 10px 0;
}

@media screen and (max-width:768px) {
	#map {
		height: 200px
	}
}
@media screen and (max-width: 1360px) {
	.index-about {
	    position: relative;
	    background-position: center;
	    background-size: inherit;
	    height: 800px !important;
	}
}
@media screen and (max-width: 1200px) {
	.layout {
	    padding: 0 20px;
	}
	.block .title h2 {
	    padding: 30px 20px;
	}
	.block .swiper-container {
	    padding: 0 20px;
	}
	.block .news-list {
	    padding: 40px 20px 30px 20px;
	}
	.news-right h3 {
	    overflow: hidden;
	    text-overflow: ellipsis;
	    display: -webkit-box;
	    -webkit-line-clamp: 1;
	    -webkit-box-orient: vertical;
	}
	.block .news-content {
	    padding: 0 20px;
	    padding-bottom: 30px;
	}
	.block .news-btn {
	    padding: 0 20px;
	}
	.news-title h2 {
	    padding: 0 20px;
	}
	.block .download-list {
	    padding: 30px 20px;
	}
	.download-list .download-item a h3{
		max-width: 80%;
		overflow: hidden;
	    text-overflow: ellipsis;
	    display: -webkit-box;
	    -webkit-line-clamp: 1;
	    -webkit-box-orient: vertical;
	}
	.block .faq-list {
	    padding: 20px 20px 50px 20px;
	}

	.block .contact {
	    justify-content: center;
	    padding: 0 20px;
	}
	.block .product-right {
	    margin: 20px 20px 50px 20px;
	}
	.inquiry {
		padding: 0 20px;
	}
}
@media screen and (max-width: 991px) {
	.nav .nav-tree {
		display: none;
		width: 100%;
		position: fixed;
		z-index: 999;
		background-color: #fff;
		top: 80px;
		left: 0;
		box-shadow: 0 5px 10px #aaa;
	}
	.nav-tree .nav-item {
		width: 100%;
	}
	.nav-item a {
		line-height: 40px;
	}
	.header .nav {
		position: relative;
		background-color: #fff;
	}
	.header .nav:after {
		display: block;
		content: "";
		width: 32px;
		height: 32px;
		background-image: url(../images/nav_icon.png);
		position: absolute;
		right: 0;
		top: 50%;
		transform: translateY(-50%);
	}
	.header .open:after{
		background-image: url(../images/nav_icon.png);
	}
	.header .close:after{
		background-image: url(../images/close.png);
	}
	#myfooter .container {
	    margin-bottom: 40px;
	}
	#myfooter .container-f {
	    justify-content: center;
	}
	#myfooter .panel1, #myfooter .panel4{
	    width: 100%;
	    margin-bottom: 30px;
	}
	#myfooter .panel1 {
		text-align: center;
		background: inherit;
		border: 0;
	}
	.block-item .item {
	    flex-wrap: wrap;
	    flex-direction: column-reverse;
	    justify-content: center;
	}
	.item .item-info {
	    width: 100%;
	    position: static;
	}
	.img-list li {
	    width: calc(33.3333333% - 4px);
	}
	.catagery-nav ul {
	    flex-wrap: wrap;
	}
	.catagery-nav li {
		width: 100%;
	}
	.item ul {
	    width: 90%;
	}
	.choose-item img {
	    opacity: 0.1;
	}
	.product-list .product-item {
	    width: calc(50% - 15px);
	    margin-right: 30px;
	}
	.product-list .product-item:nth-child(2n) {
	    margin-right: 0;
	}
}
@media screen and (max-width: 768px) {
	.inner-page .inner-box {
	    padding: 0 20px;
	}
	.grid .column {
	    width: calc(50% - 30px);
	}
	#certificate .grid .column {
		width: calc(50% - 30px);
	}
	.contact-item {
		width: 100%;
	}
	.index-about .about {
		width: 100%;
	}
	.index-about {
	    height: auto !important;
	    background: #33a4b4;
	    padding: 80px 0 120px 0;
	}
	.product-right .shown_products_a_right {
	    width: 100%;
	    background-color: #fcfcf9;
	    padding: 40px 20px;
	}
	.product-right .shown_products_a_left {
	    width: 100%;
	}
	.owl-dots {
	    display: flex;
	    flex-wrap: wrap;
	    justify-content: center;
	}
	.index-case .case-list {
	    flex-wrap: wrap;
	}
	.case-list .case-item {
	    width: 100%;
	}
	.case-img img {
	    width: 100%;
	    margin: 0;
	}
	.case-list .case-item:nth-child(2) {
	    -webkit-transform: skewX(0); 
	    -ms-transform: skewX(0);
	    -o-transform: skewX(0);
	     transform: skewX(0); 
	    overflow: hidden;
	    z-index: 1;
	}
	.col-l-1, .col-r-1 {
		width: 100%;
	}
	.form .form-item textarea ,.form .form-item input {
		width: 100%;
	}
}
@media screen and (max-width: 640px) {
	.panel4 li {
		width: 100%;
	}
	.img-list li {
	    width: calc(50% - 4px);
	}
	.prolist .product-item {
	    width: calc(50% - 30px);
	    margin: 15px;
	}
	.choose-item h3 span {
	    display: block;
	    margin-left: 0;
	}
	.news-list .news-item {
	    width: calc(100%);
	    position: relative;
	    margin-right: 0;
	}
	.grid .column {
	    width: 100%;
	    margin: 15px 0;
	}
	#certificate .grid .column {
		width: 100%;
	    margin: 15px 0;
	}
}

.owl-dots {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	margin-top: 20px;
}
.owl-dots .owl-dot {
	width: 50px;
	height: 8px;
	border: 1px solid #f3040b;
	border-radius: 10px;
	margin: 2px 5px;
}
.owl-dots .active {
     background: #f3040b; 
}
:root {
    --swiper-theme-color: #33a4b4;
}
.swiper-button-prev， .swiper-button-next {
color:#33a4b4;
}

