.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(0,0,0,0);
  transition: background 0.3s ease;
}
a{
	transition: 0.5s;
}
body,
html {
	width: 100%;
	height: 100%;
	font-family: "Open Sans";
}

body {
	background: #fff;
	padding: 0;
	margin: 0;
	font-family: 'Open Sans',Helvetica,sans-serif;
	height: 100%;
}

ul {
	list-style: none;
	padding: 0;
}

a {
	text-decoration: none;
}

.nav {
	width: 100%;
	text-align: center;
	height: 90px;
	position: fixed;
	z-index: 999;
	top: 0;
	animation: topnav 1s 1;
}
@keyframes topnav {
	0% {
		top: -20px;
		opacity: 0;
	}

	100% {
		top:0;
		opacity: 1;
	}
}

.wk {
	width: 100%;
	max-width: 1325px;
	margin: auto;
}

.logo {
	float: left;
}

.logo img {
	height: 40px;
	margin: 25px auto;
}

.nav ul {
	float: right;
	height: 90px;
}

.nav ul li {
	float: left;
	padding: 0 40px;
	position: relative;
}


.sear{
	    position: relative;
}
.sear img{
	width: 20px;
    margin: 35px 0;
    opacity: 0.7;
}
.sear .from{
	opacity: 0;
    height: 0;
    overflow: hidden;
    transition: all 0.3s ease-in-out;
    width: 300px;
    right: 0;
    position: absolute;
    background: #666666;
    top: 80px;
    transition: opacity 0.3s ease-in-out;
}
.sear .show{
	opacity: 1;
	height: 50px;
}
.sear .from .in {
    width: 200px;
    padding: 5px 10px;
    line-height: 1;
    height: 40px;
    float: left;
    background: #f2f2f2;
    border: aliceblue;
}
.sear .from .sub{
	background: #ffffff;
	    height: 50px;
		width: 80px;
	    border: 1px solid #ffffff;
}

.nav ul li .n{
	color: #ffffff;
	font-size: 18px;
	font-weight: 400;
	display: block;
	height: 50px;
	line-height: 50px;
	margin: 20px auto;
	opacity: 0.75;
	transition: 0.2s;
	position: relative;
}

.nav ul li .n:after {
	position: absolute;
	content: "";
	z-index: 1;
	height: 3px;
	width: 0%;
	bottom: 0px;
	left: 0;
	transition: 0.2s;
	background: #ffffff;
}

.nav ul .n:hover {
	opacity: 1;
}

.nav ul li:hover .n:after {
	width: 100%;
}
.nav ul li .submenu-list {
    text-align: left;
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	background: #000;
	min-width: 250px;
	opacity: 0;
	height: 0px;
	transition: 0.5s;
}
.nav ul li:hover .submenu-list {
display: block;
height: auto;
opacity: 1;
transform: translateY(0);
}
.nav ul li .submenu-list a:hover{
background: #de8042;
color: #ffffff;
}
.nav ul li .submenu-list a{
color: #999999;
display: block;
padding: 10px;
font-size: 16px;
}
.submenu-list-third{
	display: none;
	position: absolute;
	margin-top: -43px;
	left: 240px;
	background: #000;
	min-width: 200px;
	transition:0.5s;
}
.submenu-list-two:hover .submenu-list-third{
	display: block;
	left: 250px;
}

.banner {
	width: 100%;
	height: 100%;
	position: relative;
}

.banner video {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.banner_text {
	position: absolute;
	z-index: 1;
	top: 35%;
	margin: auto;
	letter-spacing: 0;
	font-weight: 700;
	font-size: 50px;
	animation: floatAnimation 4s ease-in-out infinite;
}

@keyframes floatAnimation {

	0%,
	100% {
		transform: translateY(0);
	}

	50% {
		transform: translateY(20px);
	}
}

.banner_text a {
	font-size: 1.125rem;
	font-weight: bold;
	color: #ffffff;
	border: 2px solid #fff;
	padding: 21px 40px;
	border-radius: 40px;
	display: inline-block;
	margin-top: 2rem;
	transition: 0.5s;
}

.banner_text a:hover {
	border: 2px solid #de8042;
	background: #de8042;
	cursor: pointer;
	box-shadow: 0 20px 38px rgba(0, 0, 0, 0.16);
}

.banner_text div {
	line-height: 50px;
	height: 60px;
	width: 100%;
	margin-bottom: 20px;
	overflow: hidden;
}

.title {
	font-weight: bold;
	color: #444444;
	font-size: 45px;
	text-align: center;
	margin: 4rem auto;
}

.mySwiper {
	width: 100%;
	height: 460px;
	overflow: hidden;
	text-align: center;
	position: relative;
}
.mySwiper .swiper-button-prev,.mySwiper .swiper-button-next{
	width: 35px;
	height: 40px;
	padding-left:5px;
	text-align: center;
	background: #ffffff;
	border-radius: 50%;
	top: 50%;
	transition: 0.5s;
}

.mySwiper .swiper-button-next:after,.mySwiper .swiper-button-prev:after{
	color: #000000;
	font-size: 25px;
	line-height: 40px;
}
.mySwiper .swiper-slide .img img {
	display: block;
	width: auto;
	max-width: 100%;
	margin: 40px auto;
	height: 300px;
	object-fit: cover;
	transition: 0.5s;
}

.pro .swiper-slide .img{
	display: block;
	width: 100%;
	height: 380px;
	position: relative;
	text-align: center;
}
.pro .swiper-slide .img h2{
	text-align:center;
	width: 100%;
	position: absolute;
	bottom: 10px;
	font-weight: bold;
	transition: 0.5s;
	line-height: 40px;
}
.pro .swiper-slide:hover .img h2{
	color: #000000;
	text-align:center;
	width: 100%;
	position: absolute;
	bottom: 40px;
	background: rgba(255, 255, 255, 0.16);
}

.more{
	font-size: 12px;
	font-weight: bold;
	color: #000;
	border: 2px solid #000;
	padding: 10px;
	text-align: center;
	width: 100px;
	border-radius: 40px;
	margin: auto;
	transition: 0.5s;
}
.more:hover {
	border: 2px solid #de8042;
	background: #de8042;
	cursor: pointer;
	color: #fff;
}
.mySwiper .swiper-slide:hover img{
    transform: scale(1.1)
}

.promu{
	padding: 5rem 0 2rem 0;
}
.promu h2{
	text-align: left;font-family:Roboto;font-weight:700;color: #fff;
}
.promu .more{
    color: #fff;
    border: 2px solid #fff;
}
.promu .pro_pad{
	margin-top: 25%;
	margin-left: 10%;
	font-size: 45px;
	line-height: 50px;
}
.promu .pro_pad h2{
	font-size: 45px;
	line-height: 50px;
}
.promu .layui-col-md4 h2{
	font-size: 25px;
	line-height: 1;
}
.promu .layui-col-md4 .pro_md4,.promu .layui-col-md8 .pro_md4{
	text-align: left;
	margin: 10px;
	padding: 70px;
	height: 300px;
}
.promu .layui-col-md4 .pro_md4 h2,.promu .layui-col-md8 .pro_md4 h2{
	margin: 0 0 30px 0;
}
.promu .pro_md4{
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}
.pro_md4 img{
    width: 100%;
    position: absolute;
    z-index: -1;
    left: 0;
    top: 0;
    transition: transform 0.3s ease;
}
.promu .layui-col-md4 .pro_md4:hover{
    padding:80px 70px 60px 70px;
}
.promu .layui-col-md4 .pro_md4:hover img{
    transform: scale(1.2);
}

.promu .pro_pada{
	margin-top:5%;
	margin-left: 10%;
}
.promu .pro_pada a{
	font-weight: bold;
	float: left;
	margin-right:40px;
	line-height: 25px;
	cursor: pointer;
}
.promu .pro_pada a i{
	display: block;
	float: right;
	margin-top: 2px;
	width: 20px;
	height: 20px;
	line-height: 15px;
	text-align: center;
	border-radius: 15px;
	border: 1px solid #999;
	margin-left: 10px;
	transition: 0.5s;
}
.promu .pro_pada a:hover i{
	display: block;
	float: right;
	width: 20px;
	height: 20px;
	text-align: center;
	border-radius: 15px;
	border: 1px solid #fff;
	margin-left: 10px;
}
.promu .pro_pada a i::after{
	line-height:20px;
	content: ">";
	color: #666;
	font-size: 8px;
}
.promu .pro_pada a:hover i::after{
	content: "→";
	color: #666;
	font-size: 14px;
}
.newSwiper{
	margin: 10px;
	height: 300px;
	overflow: hidden;
	position: relative;
	padding-top: 40px;
}
.newSwiper .img{
	width: 100%;
	height: 300px;
	display: block;
	overflow: hidden;
	position: relative;
	cursor: pointer;
	transition: 0.5s;
}
.newSwiper .img img{
	width: 100%;
	height: 300px;
	transition: 0.5s;
}
.newSwiper .img p{
	position: absolute;
	bottom: -100px;
	display: block;
	z-index: 1;
	height: 80px;
	text-align: left;
	width: 100%;
	padding:10px 20px;
	color: #ffffff;
	font-family: Verdana,Geneva,sans-serif;
	font-size: 22px;
	line-height: 27px;
	font-weight: 400;
	background: #de8042;
	transition: 0.5s;
}
.newSwiper .img:hover img{
	margin-top: -60px;
}
.newSwiper .img:hover p{
	bottom:0px;
}
.newSwiper .swiper-button-prev,.newSwiper .swiper-button-next{
	position: absolute;
	right: 0;
	top:15px;
	left: auto;
	color: #000;
	font-size: 20px;
}
.newSwiper .swiper-button-prev{
	right: 60px;
}
.newSwiper .swiper-button-next:after, .newSwiper .swiper-button-prev:after {
    font-size: 18px;
}
.newSwiper .swiper-container-horizontal>.newSwiper .swiper-pagination-bullets,.newSwiper .swiper-pagination-custom,.newSwiper .swiper-pagination-fraction {
    bottom: 10px;
    left: auto;
    top: 7px;
	height: 20px;
    position: absolute;
    right: 13px;
    width: 60px;
}
.new .title{
	margin-bottom: 30px;
}
.new .more{
	margin:80px auto;
	display: block;
	width: 180px;
	padding: 20px;
	font-size: 18px;
	transition: 0.5s;
}
.new .more:hover {
	color: #ffffff;
	border: 2px solid #de8042;
	background: #de8042;
	cursor: pointer;
	box-shadow: 0 20px 38px rgba(0, 0, 0, 0.16);
}
.nectar-highlighted-text h4{
	font-size: 38px;
	color: #000;
	text-align: center;
	font-weight: 700;
}
.nectar-highlighted-text h4 span{
	position: relative;
}
.nectar-highlighted-text h4 span::after{
	content: "";
	background: #de8042;
	z-index: -1;
	left:0;
	width: 101%;
	height: 15px;
	position: absolute;
	bottom: 2px;
	border-radius: 3px;
}
.cont{
	margin: 50px auto;
	border-radius: 20px;
	overflow: hidden;
}
.cont .layui-col-md6{
	padding: 50px;
}
.cont p{
	color: #fff;
	text-align: center;
	line-height: 30px;
	font-size: 18px;
	font-weight: 300;
}
.cont a{
	width:35%;
	padding: 15px;
	margin:30px auto 0 auto;
	display: block;
	font-size: 18px;
	text-align: center;
	border-radius: 30px;
	transition: 0.5s;
}
.cont a:hover{
	width:35%;
	padding: 15px 20px;
	box-shadow: 0 20px 38px rgba(0, 0, 0, 0.16);
}

.contact{
    margin: 40px auto;
    color: #000;
    font-size: 16px;
    line-height: 2;
}
.contact h1{
    font-size: 28px;
    text-align: left;
    font-family: Roboto;
    font-weight: 900;
    font-style: normal;
    margin-bottom: 50px;
}
.contact h2{
    background: url(../images/QQ20250416-090215.png) left no-repeat;
    padding-left: 40px;
    font-family: Verdana,Geneva,sans-serif;
    font-weight: 600;
    font-size: 16px;
    margin: 20px 0;
}
.contact .img{
    width: 90%;
    height: 300px;
    margin: 30px 0;
    overflow: hidden;
}
.contact .img img{
    width: 100%;
    transition: 0.5s;
}
.contact .img:hover img{
    transform: scale(1.1);
}
.liuyan{
    padding: 30px;
    color: #000;
    font-family: Montserrat;
    font-size: 16px;
}
.liuyan p{
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size: 16px;
    font-weight: normal;
    line-height: 22px;
    color: #999;
}
.liuyan span{
    color: #ff0000;
}
.liuyan input,.liuyan textarea{
    display: inline-block;
    height: 40px;
    padding: 9px 10px;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    font-size: 16px;
    font-weight: normal;
    line-height: 22px;
    color: #33475b;
    border: 1px solid #cbd6e2;
    box-sizing: border-box;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    border-radius: 3px;
    background-color: #f5f8fa;
    width:60%;
}
.liuyan .phone{
    position: relative;
}
.liuyan .form-group{
margin-bottom: 30px;
}
.liuyan textarea{
    height: 80px;
    width: 90%;
}
.liuyan button{
   border: 2px solid #de8042;
	background: #de8042;
	cursor: pointer;
    color: #ffffff;
    font-size: 18px;
    line-height: 18px;
    display: inline-block;
    font-weight: 700;
    line-height: 12px;
    text-align: center;
    transition: all .15s linear;
    padding: 12px 24px;
    border-radius: 3px;
    margin-top: 30px;
}
.foot{
	color: #ccc;
	position: relative;
	z-index: 10;
	background-color: #252525;
	padding: 50px;
}
.foot h2{
	font-size: 16px;
	color: #999;
	margin-bottom: 20px;
}
.foot ul li a{
	color: #ccc;
	font-size: 16px;
	line-height: 2;
}
.foot ul li a:hover{
	color:#e48447;
	font-size: 16px;
	line-height: 2;
}
.foot .link{
	display: block;
	border-top: 1px solid #999999;
	margin-top: 20px;
	padding-top: 20px;
	width: 250px;
}
.foot .d_logo{
	display: block;
	text-align: right;
}
.foot .link svg{
	color: #999999;
    fill: #999999;
	margin: 0 3px;
	display: inline-block;
	transition: 0.5s;
}
.foot .link svg:hover{
	color: #ffffff;
	fill: #ffffff;
}
.app{
    display: block;
    width: 300px;
    margin-top: 20px;
}
.appstpre{
    background: url(../images/app.png) 0 0;
    display: block;
    width: 48%;
    margin: 0 1%;
    background-size: 100%;
    height: 45px;
}
.andro{
    background: url(../images/app.png) 0 45px;
    display: block;
    width: 50%;
    background-size: 100%;
    height: 45px;
}
.app a{
    border-radius: 40px;
    transition: 0.5s;
    float: left;
}
.app a:hover{
    box-shadow: 0px 0px 5px #eeeeee;
}
.foot_d{
	background: #252525;
	text-align: center;
	font-size: 14px;
	color: #999;
	padding: 10px;
	border-top: 1px solid #333333;
}
.n_top{
	height: 500px;
	position: relative;
	text-align: center;
}
.n_top .container{
	width: 100%;
	text-align: center;
	color: #ffffff;
	position: absolute;
	top: 45%;
}
.pro_list li{
	width: 24%;
	margin: 10px 0.5%;
	text-align: center;
	float: left;
}
.pro_list li .img{
	height: 350px;
	display: block;
}
.pro_list li .img img{
    z-index: -1;
	display: block;
	width: auto;
	max-width: 100%;
	height: 350px;
	transition: 0.5s;
	margin: auto;
}
.pro_list li:hover .img img{
    transform: scale(1.1);
}
.pro_list li h2{
	font-size: 16px;
	transition: 0.5s;
	display: block;
    z-index: 11;
}
.pro_list li a.more{
	display: block;
	width: 150px;
	margin-top: 20px;
}

.page{
    padding: 20px;
    text-align: center;
}
.page a{
    border: 1px solid #f2f2f2;
    padding: 10px;
}
.con_pro{
    padding-top:90px;
    background: #000;
    padding-bottom: 40px;
}
.con_pro .content{
    width: 100%;
    position: relative;
    margin:auto;
    z-index: 111;
    background: #ffffff;
}
.about{
    min-height: 500px;
}
.pro_img{
    text-align: center;
    margin: 50px auto;
}
.pro_img img{
    display: block;
    max-width: 100%;
    margin:50px auto;
}
.pro_img h1{
    font-size: 40px;
}
.new{
    padding: 50px 0;
}
.new li{
    width: 30.333%;
    margin:10px 1.5%;
    float: left;
}
.new li .img{
    display: block;
    width: 100%;
    height: 300px;
    overflow: hidden;
    text-align: center;
}
.new li .img img{
    display: block;
    width: 100%;
    height: 300px;
    transition: transform 0.3s ease; /* 平滑过渡效果 */
}
 
.new li a:hover img{
  transform: scale(1.1); /* 放大1.1倍 */
}
.new li a span{
    display: block;
    padding: 25px 0;
    color: #333;
    font-size: 20px;
}
.new_nr{
    margin: 50px auto;
}
.new_nr .title{
    display: block;
    width: 100%;
    font-size: 20px;
    text-align: center;
}
.text-secondary{
    border-top: 1px solid #f2f2f2;
    padding-top: 20px;
    marging-top:20px;
}
.text-secondary p{
    display: block;
    width: 50%;
    float: left;
}
.content img{
    width: 100%;
}
#mo {
  cursor: pointer;
  display: none; /* 默认隐藏，通过媒体查询在移动端显示 */
}
.sj{
    display: none;
}
.dn{
    display: block;
}
.topxian{
    background: #000000;height: 100px; margin-bottom: 50px;
}
@media screen and (max-width: 901px) {
.nav {
    height: 60px;
}
.topxian{
    background: #000000;height: 60px; margin-bottom: 50px;
}
    .dn{
    display: none;
}
.sj{
    display: block;
}
    .logo {
    float: left;
    margin-left: 10px;
}
#mo {
    display: block;
    font-style: normal;
    padding: 10px;
    width: 40px;
    height: 40px;
    top: 0;
    z-index: 11;
    position: fixed;
    right: 0;
    font-size: 25px;
    color: #ffffff;
}
  .nav ul {
    width: 180px;
    height: 100%;
    background: #000000;
    padding-top: 80px;
    position: fixed;
    right: -180px;
    top: 0;
    color: #ffffff;
  transition: 0.5s;
}

/* 展开状态 */
.nav ul.active {
    right: 0;
}
.nav ul li .submenu-list {
    right: 150px;
    left:auto;
    min-width: 250px;
}
.nav ul li{
    width: 100px;
}
.banner_text {
    top: 30%;
    left: 5%;
}
.banner_text span{
    display: block;
}
.banner_text div {
    line-height: 50px;
    height: 100px;
    margin-bottom: 0px;
}
.pro{
    height: 550px;
    overflow: hidden;
}
.pro .swiper-slide .img {
    height: 400px;
}
.pro .swiper-slide .img img{
    max-width: 100%;
    height: 380px;
}
.pro .swiper-slide{
    text-align: center;
}
.promu{
    padding: 30px 0;
}
.promu .pro_pad{
    padding: 20px;
    margin: 0;
}
.promu .pro_pada {
    margin-top: 0;
    margin-bottom: 0;
    padding: 20px;
    height: 70px;
    margin-left: 0;
    display: block;
}
.promu .pro_pada a {
    width: 40%;
    margin-right: 10%;
    margin-bottom: 20px;
}
.promu .pro_pad h2 {
    font-size: 35px;
}
.newSwiper_s{
    height: 380px;
    overflow: hidden;
}
.newSwiper_s img{
    max-width: 100%;
    height: 350px;
}
.newSwiper_s p{
    font-size: 20px;
    line-height:2;
    text-align: center;
}
.pro_list li {
    width: 98%;
    margin: 10px 1%;
}
.n_top {
    height: 150px;
}
.new {
    padding: 10px 0;
}
.new li {
    width: 97%;
    margin: 10px 1.5%;
}
.new .more {
    margin: 0px auto 50px auto;
    width: 150px;
    padding: 10px;
}
.title {
    margin: 2rem auto;
}
.new li .img img {
    height: auto;
}
.cont {
    width: 96%;
}
.content img{
    max-width: 100%;
}
.contact .img {
    width: 100%;
}
.cont a {
    width: 80%;
}
.layui-col-md1{
    display: none;
}
.logo img {
    height: 20px;
    margin: 20px auto;
}
  }