* { padding: 0; margin: 0; }
ul, li { list-style: none; }
a { text-decoration: none; color: black; }
header { width: 1200px; height: 100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
header>div>ul { justify-content: space-between; align-items: center; }
header>div>ul li { display: inline-block; position: relative; height: 60px; float: left; line-height: 60px; padding: 0 20px; }
header>div>ul li:hover { background: #f1f1f1; }
header>div>ul li ul { display: none; position: absolute; background-color: #ffffff; z-index: 2; flex-direction: column; margin-top: -20px; padding: 10px; line-height: 30px; width: 150%; left: -36%; top: 80px; }
ul li:hover ul, ul li ul:hover { display: block; }
header>div>ul li ul li { height: 30px; line-height: 30px; text-align: center; width: 100%; margin: 0; padding: 5px 0; }
header>div>ul li ul li:hover { width: 100%; background-color: #cccccc; }
.lunbo { z-index: -1; }
.lunbo .swiper-container { width: 100%; overflow: hidden; }
.guanyu { width: 1200px; margin: 0 auto; display: flex; margin-top: 100px; justify-content: space-between; }
.guanyu .guanyu_left { width: 570px; }
.guanyu .guanyu_left>h1 { margin-top: -50px; }
.guanyu .guanyu_left>a { width: 80px; text-align: center; display: block; padding: 10px 30px; border: 2px solid red; border-radius: 30px; background-color: white; margin-top: 30px; }
.guanyu .guanyu_right>img { width: 570px; height: 350px; }
.jieshao { width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; margin-top: 100px; margin-bottom: 50px; }
.jieshao>div { text-align: center; }
.jieshao p { font-size: 40px; color: rgb(184, 1, 1); font-weight: bold; }
.jieshao p>span { font-size: 10px; margin-left: 3px; padding: 2px 4px; border-radius: 50px; color: white; font-weight: 100; background-color: gray; }
.jieshao span { font-size: 13px; }
.zhengshu { width: 100%; background-image: url(../images/bk2.png); background-size: cover; padding-bottom: 100px; overflow: hidden; }
.zhengshu>div { width: 1200px; margin: 0 auto; text-align: center; }
.zhengshu>div>div { display: flex; cursor: pointer }
.zhengshu>div>div:nth-child(1) { justify-content: space-between; width: 300px; margin: 0 auto; }
.zhengshu>div>div:nth-child(1)>a { display: block; margin-top: 80px; font-size: 30px; }
.zhengshu>div>div>a:nth-child(2) { border-bottom: 3px solid brown; padding-bottom: 10px; }
.zhengshu .zs-item { justify-content: space-between; margin-top: 50px; }
.zhengshu .zs-item div { background-color: white; width: 20%; padding-top: 30px; border-radius: 20px; box-shadow: 2px 1px 15px gray; padding-bottom: 30px; }
.zhengshu .zs-item div img { width: 80%; height: 90%; padding-bottom: 10px; }
.zhengshu .zs-item div p { margin: 10px 0; font-size: 18px; }

.h_pro{ position:relative; z-index:1;display: inline-flex;width: 100%;}
.h_pro .nLi{ float:left;  position:relative; display:inline;}
.product { width: 1200px; margin: 0 auto; margin-top: 100px; margin-bottom: 80px; }
.product>div {display: flex; justify-content: space-between; align-items: center;}
.product>div>a { width: 80px; text-align: center; display: block; padding: 10px 30px; border: 2px solid red; border-radius: 30px; background-color: white; }
.product .nLi { width:20%; height: 380px;padding: 30px; margin-top: 50px; border-bottom: 2px solid rgb(207, 4, 4); position: relative; float:left;transition: all .5s ease;    border: 1px #e7e7e7 solid;}
.product .nLi>p { margin-top: 20px; }
.product .nLi>b{ font-size: 18px;font-weight: bold; color:#333; }
.product .nLi>p{ font-size: 13px; width: 200px; }
.product img { width:0; height:0;transition: all .5s ease;}
.product .nLi a { position: absolute; bottom: 3%; padding: 10px 20px; background-color: white; border-radius: 5px; display: flex; width: 90px; align-items: center; }
.product .nLi a>span { background-color: rgb(207, 4, 4); font-size: 3px; padding: 4px; width: 3px; height: 3px; border-radius: 50%; margin-left: 10px; }
.product .nLi:nth-child(1) { background: url(../images/1.png) center no-repeat; }
.product .nLi:nth-child(2) { background: url(../images/2.png) center no-repeat; }
.product .nLi:nth-child(3) { background: url(../images/3.png) center no-repeat; }
.nLi.on{ width:60%;}
.nLi.on .proimg{width: 500px; height: 250px;transition: all .5s ease;float: right;}
.product .nLi.on b{ color: rgb(207, 4, 4); }
.product .nLi.on p{ width:400px;}
.product .nLi.on:nth-child(1) { background: url(../images/1.png)#e7e7e7 center no-repeat;transition: all .5s ease; width:60%;}
.product .nLi.on:nth-child(2) { background: url(../images/2.png)#e7e7e7 center no-repeat;transition: all .5s ease;width:60%;}
.product .nLi.on:nth-child(3) { background: url(../images/3.png)#e7e7e7 center no-repeat;transition: all .5s ease;width:60%;}






.news { width: 100%; background-image: url(../images/bk3.png); background-size: cover; padding-bottom: 40px; }
.news>div { width: 1200px; margin: 0 auto; }
.news>div>div:nth-child(1) { padding-top: 80px; display: flex; justify-content: space-between; align-items: center; }
.news>div>div:nth-child(1)>a { width: 80px; text-align: center; display: block; padding: 10px 30px; border: 2px solid red; border-radius: 30px; }
.news .news_item { display: flex; justify-content: space-between; margin-top: 50px; }
.news .news_item>div { width: 380px; }
.news .news_item>div>img { width: 100%; }
.news .news_item>div>div { padding: 20px; }
.news .news_item>div>div>p { font-size: 14px; color: #707070; }
.news .news_item>div>div>p:nth-child(1) { border-bottom: 1px solid gray; padding-bottom: 10px; margin-bottom: 10px; }
.news .news_item>div:nth-child(2)>div>p:nth-child(2) { color: rgb(207, 4, 4); }

.picMarquee-left{ width:100%; overflow:hidden; position:relative;}
.picMarquee-left .bd{ padding:10px;}
.picMarquee-left .bd ul{ overflow:hidden; zoom:1; }
.picMarquee-left .bd ul li{ margin:15px; float:left; _display:inline; overflow:hidden; text-align:center; width:450px; }
.picMarquee-left .bd ul li .pic{ text-align:center; }
.picMarquee-left .bd ul li .pic img{ width:100%; height:310px; display:block;}
.picMarquee-left .bd ul li .pic a:hover img{ border-color:#999;  }
.picMarquee-left .bd ul li .title{ line-height:24px; text-align:left; line-height:35px;}
.picMarquee-left .bd ul li .title a>span{ font-size:14px; width:100%; border-bottom:1px #ccc solid;display:block;}



.picScroll-left{ width:1200px; margin:20px auto;  overflow:hidden; position:relative; }
.picScroll-left .bd ul{ overflow:hidden; zoom:1; }
.picScroll-left .bd ul li{float:left; _display:inline; overflow:hidden; text-align:center;  }
.picScroll-left .bd ul li .pic{ text-align:center; }
.picScroll-left .bd ul li .pic img{ display:block; width:240px;}





.kehu { width: 100%; background-image: url(../images/bk4.png); background-size: cover; text-align: center;padding-bottom: 20px}
.kehu>h1 { padding-top: 50px; }
.kehu>p { width: 800px; margin: 0 auto; margin-top: 30px; }
footer { background-color: #000; padding-bottom: 20px; }
footer>div { width: 1200px; margin: 0 auto; padding-top: 70px; display: flex; align-items: center; justify-content: space-between; }
footer .left { width: 900px; }
footer .left>div { display: flex; color: white; justify-content: space-between; }
footer .left>div:nth-child(1) { border-bottom: 1px solid gray; padding-bottom: 30px; margin-bottom: 30px; }
footer .left>div:nth-child(1) img { margin-right: 10px; }
footer .left>div>div { display: flex; align-items: center; }
footer .left>div:nth-child(2)>p { font-size: 13px; color: rgb(180, 179, 179); }
footer ul { width: 100%; display: flex; justify-content: space-between; margin-top: 10px; }
footer ul li a { color: rgb(180, 179, 179); font-size: 13px; }
footer .right>div { width: 120px; height: 120px; background-color: #ffffff; }
footer .right p { color: rgb(180, 179, 179); text-align: center; margin-top: 10px; }