@charset "utf-8";
/* 清除内外边距 */
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, /* structural elements 结构元素 */
dl, dt, dd, ul, ol, li, /* list elements 列表元素 */
pre, /* text formatting elements 文本格式元素 */
fieldset, lengend, button, input, textarea, /* form elements 表单元素 */
th, td { /* table elements 表格元素 */
    margin: 0;
    padding: 0;
}

input,textarea {border: 2 none; -webkit-box-shadow: none; box-shadow: none; outline: none;}

/* 设置默认字体 */
body,
button, input, select, textarea {
    font-family: "Microsoft Yahei"; color: #666; font-size: 13px;
}

h1 {font-size: 18px;}
h2 {font-size: 16px;}
h3 {font-size: 14px;}
h4, h5, h6 {font-size: 100%;}
* h1,* h2,* h3,* h4,* h5,* h6{margin: 0px;} /*覆盖bootstrape对标题加的默认外边距*/

address, cite, dfn, em, i, var {font-style: normal;} /* 斜体扶正 */

/* 重置列表元素 */
ul, ol ,li{list-style: none;}

/* 重置文本格式元素 */
a {text-decoration: none; color: #666; word-wrap:break-word;}/*英文换行*/
a:hover {text-decoration: none; }


/* 重置表单元素 */
legend {color: #000;} /* for ie6 */
fieldset, img {border: none;} /* img 搭车：让链接里的 img 无边框 */
/* 注：optgroup 无法扶正 */
button, input, select, textarea {
    font-size: 100%; /* 使表单元素在 ie 下能继承字体大小 */
}

/* 重置表格元素 */
table {
    border-collapse: collapse;
    border-spacing: 0;
}

@font-face {
  font-family: 'iconfont';  /* project id 2345038 */
  src: url(files/iconfont.eot.txt),
  url(files/iconfont.woff) format('woff'),
  url(files/iconfont.ttf) format('truetype'),
}


/* 让非ie浏览器默认也显示垂直滚动条，防止因滚动条引起的闪烁 */
body {overflow-y: scroll;
    width: 100%; max-width: 100%; font-family: "Microsoft Yahei";
}

/*设置浮动*/
.fl,.pull-left {float: left;}
.fr,.pull-right {float: right;}
.pr{position: relative;}
.pa{position: absolute;}

.clear{ clear:both; height: 0; overflow: hidden;}
.clearfix:after {visibility: hidden;display: block;font-size: 0;content: " ";clear: both;height: 0;}

.box,.content,.w1200,.width-1200{ width:1250px; margin:0 auto;}
/* -- 内页布局 -- */
.page_bg { padding:20px 0 20px; background:#fff;}
.page_main { margin: 0 auto; width: 1250px;}  /*版面宽度*/
.page_content{ width:930px;} /*右边宽度*/
.page_left{ width:240px;} /*左边宽度*/
.page_full{ width:100%;}
.dis,.hide{ display:none;}

.line-clamp-1{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.line-clamp-2{
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.line-clamp-3{
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.n_box{
    width: 1250px;margin:50px auto 60px auto;position: relative;
}
.n_box:after{
    display: block;content: "";clear: both;
}
.top30{
    margin-top: 30px;
}
/*抬头*/


.header{ position:fixed; top:0; left:0; right:0; width:100%; margin: 0 auto;/*background: linear-gradient(to bottom,rgba(0,0,0,40%),transparent);*/
z-index:999; font-family: "Microsoft Yahei";}

.logowhite{
    display: block;
}
.logoblue{
    display: none;;
}
.header .w1400,.headerbg .w1400{min-width:1250px; width:90%;margin: 0 auto;
height:90px;display: -webkit-flex;display: flex;justify-content:space-between;flex-wrap: nowrap;align-items:center; }
.hleft{  padding-top:5px;}
.hleft p{font-size:18px; color:#111; padding-left: 10px; 
    line-height:28px; display: block;position: relative;
}
.hleft p:before{
    content: "";
    display: block;width: 1px;height:50px;background:#ddd; position: absolute;left: 0;top: 5px;
}
.hleft p span{
    font-size:19px;
}
.hleft strong{
    letter-spacing: 0.6px;
}
.hleft a{ margin-right:13px; float: left;
}
.hleft a img{
  width: auto; height: 55px;
}
.nav{
    
}
.nav ul,.hright{display: -webkit-flex;display: flex;justify-content:flex-start;flex-wrap: nowrap;align-items:center;
 
}

.nav>ul>li{ position:relative; margin-right:2vw;}
.headerbg .nav>ul>li.on>a {
    color: #283fb3;
}
.top50{
    margin-top: 50px;
}

  

.nav>ul>li>a{ font-size:0.8vw; color:#fff; display:block; line-height:90px; position:relative; font-weight: bold;
  
} 
.nav>ul>li.cur>a:after,.nav>ul>li:hover>a:after{ width:100%;}
.nav>ul>li.cur>a,.nav>ul>li:hover>a{  font-weight:bold;color: #283fb3;
    
}

.dropmenu{position:absolute; border-radius:5px; overflow:hidden; transition:all .3s ease; top:90px; left:-90%; width:280%; background:rgba(255,255,255,0.98); 
box-shadow:0 0 10px rgba(0,0,0,.2); opacity:0; transform:rotateY(90deg);
    padding:15px 0;
    
}
.nav>ul>li:hover .dropmenu{ transform:rotate(0deg); opacity:1;}
.dropmenu a{ display:block; line-height:36px; font-size:0.7vw; color:#666; text-align:center; transition:all .3s ease;}
.dropmenu a:hover{ color:#fff;
    background: #283fb3;
}
.dropmenu table,.dropmenu tbody,.dropmenu tr,.dropmenu td{ display:block; width:100%;}
.searchicon{ width:22px; height:22px; cursor:pointer;border-radius: 50%;
    color: #fff;font-weight: bold;overflow: hidden;text-align: center; padding-top: 3px;
}
.searchicon:before{
    font-size:1.1rem;
}
.search{ position:relative;}
.search:hover .iser_box{transform: rotateX(0deg); }
.iser_box{background: rgba(255,255,255,0.98);width:1000px;box-sizing:border-box; position: absolute;top:60px;right: 0;padding: 30px; z-index: 9;box-shadow:0 0 10px rgba(0,0,0,.2);}
.iser_box .iShow{ visibility:visible; opacity:1; top:62px;}

.z_img{width:38px;height:38px;position:absolute;top:0;right:0;background: no-repeat;}

.hidden{
    display: none;
}

.navlayout{cursor: pointer;
    width:85px;color: #fff;position: relative;line-height:90px;
}
.navlayout:before{
    display: block;float: left;font-size: 1rem;
}
.navlayout em{
    display: block;float: left;margin: 0 8px;font-size: 0.8vw;font-weight: bold;
}
.navlayout i{
    display: block;float: left;font-size: 0.75vw !important;font-weight: normal;transform: rotate(180deg);transition: all ease 0.5s;
}
.navlayout:hover i{transform: rotate(0);}
.navlayout .xia{position: absolute;top: 70px;left: 0;box-shadow: 0 0 10px rgba(0,0,0,10%);border-radius:4px;
    display: none;width: 90px;text-align: center;border-top: 3px solid #283fb3;background: rgba(255,255,255,90%); padding: 10px 0;
}
.navlayout .xia a{
    display: block;line-height: 30px;color: #333;font-size: 14px;
}
.navlayout:hover .xia{
    display: block;
}
.navlayout:hover .xia a:hover{
    background: #283fb3;color: #fff;
}


.headerbg{position: fixed;top:0; left:0; right:0; width:100%; margin: 0 auto;
    z-index:999;width: 100%;min-width: 1250px;border-bottom: 1px solid #eee; background:rgba(255,255,255,0.96);
    
}
.headerbg .logowhite {
    display: none !important;
}
.headerbg .logoblue{
   display: block;
}
.headerbg .nav>ul>li>a,.headerbg .navlayout,.headerbg .searchicon{
    color: #333;
}





/*首页幻灯片*/
.sybanner { position: relative;z-index:10; background: #000;
      overflow: hidden;  width: 100%;min-width: 1250px;
  }


  .sybanner.picScroll-left {
    overflow: hidden;
    position: relative;width: 100%;min-width: 1200px;

  }

  .sybanner .picScroll-left .hd { width: 100%; bottom: 0;height: 100%;
 position: absolute;z-index: 2;left: 0;right: 0;margin: 0 auto;
  }

  .sybanner .hd .prev{display: block; margin-left:4%;
    width: 49px;
    height:110px;opacity: 0.5;
    float: left;
    overflow: hidden;margin-top: 18%;
    cursor: pointer;
    background: url(images/prev.png) 0 0 no-repeat;}
    
    
 .sybanner .picScroll-left .hd .next {
    display: block; margin-right:4%;opacity: 0.5;
    width: 49px;
    height:110px; margin-top: 20%;
    float: right;

    overflow: hidden;
    cursor: pointer;
    background: url(images/prev.png) -57px 0 no-repeat;
  }
 .bannerbgtup{position: relative;z-index:1;}
 .bannerbgtup img{
     display: block;width: 100%;height:auto;
 }
 .sybanner .picScroll-left .bd ul li{
     position: relative;
 }
.sybanner .picScroll-left .bd ul li .box{ top:6rem;
  position: absolute;left: 0;right: 0;margin: 0 auto;  z-index: 3;
}
  
  .sybanner .picScroll-left .hd ul { display: block;
    position: absolute;left: 0;right: 0;margin: 0 auto;width: 500px;text-align: center;
    overflow: hidden;
    zoom: 1;
bottom: 40px;


  }

 .sybanner  .picScroll-left .hd ul li {
position: relative;display: inline-block;text-align: center;
    overflow: hidden;
    margin-right: 5px;

    cursor: pointer;
     width:40px;height: 3px;background: rgba(255,255,255,1); border: none;border-radius: 0;
 
  }

  .sybanner.picScroll-left .hd ul .on {
     border: none;background: rgba(255,255,255,1);
		    position: relative;
  }
.sybanner .picScroll-left .hd .on:after{
      display: block;content: ""; background: linear-gradient(to left,#283fb3,#6073ff ); position: absolute;top: 0;left: 0; height: 3px;
		   animation:mymove1 8s infinite; -moz-animation:mymove1 8s linear infinite;-ms-animation:mymove1 8s linear infinite;
		   -o-animation:mymove1 8s linear infinite; -webkit-animation:mymove1 8s linear infinite;
}

   @-webkit-keyframes mymove1
{
0% { width:0%;}
100%{width:100%;}
}
@-moz-keyframes mymove1
{
0% { width:0%;}
100%{width:100%;}
}


.sybanner .picScroll-left .bd {
   
  }

.sybanner .picScroll-left .bd ul {
    overflow: hidden;
    zoom: 1;
  }

  .sybanner.picScroll-left .bd ul li {

    float: left;
    _display: inline;
    overflow: hidden;
    text-align: center;
  }

  .sybanner.picScroll-left .bd ul li .pic {
    text-align: center;
  }
.sybanner  .picScroll-left .bd{  width: 100%;}
.sybanner .pic{
    width: 55%; padding-top:6rem;
}
  .sybanner .pic img {
    width: 100%;
    height: auto;
    display: block;

  }

   .sybanner .box{
       position: relative;
   }
 .sybanner .bantxt{color: #fff;box-sizing: border-box; font-family: "Microsoft Yahei";
      position: absolute;width: 85%;min-width: 1250px;top:4.4vh;left: 0;right: 0;;margin: 0 auto;
     
  } 
  /*第一张*/
   .sybanner .banone .bantxt h2{ padding-left:650px;display: block;
       font-size:25px;color: #fff;line-height:1.6;font-weight: lighter;
   }
   .sybanner .banone .bantxt h2 span{display: block;font-weight: normal;
       font-size: 50px;letter-spacing: 3px;
   }
   
   /*第二张*/
   .sybanner .bantwo .bantxt h2{ display: block;padding-left: 11vw;
       font-size:38px;color: #fff;line-height:1.3;font-weight: normal;
   }
   .sybanner .bantwo .bantxt{
       top: auto; bottom:260px;
   }
  /*第三张*/
  .sybanner .bannerbox{
      width: 94%;margin: 0 auto;    top: 6rem;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
    z-index: 3;
  }
   
   .sybanner .banthree .bantxt{
       top:12vh;
   }
   .sybanner .banthree .bantxt h2{ display: block;text-align: right;
       
   }
   .sybanner .banthree .bantxt h2 span{font-size:48px;color: #fff;line-height:1.3;font-weight: normal;}
   .sybanner .banthree .bantxt h2 i{display: block; margin-bottom:14vh;
       font-weight: lighter;letter-spacing: 2px;font-size:32px;line-height: 2;
   }
  .sybanner .banthree .bantxt h2 em{
      display: block;font-size: 19px;color: rgba(255,255,255,0.5);font-weight: lighter;line-height: 2; margin-bottom:14vh;
  }
  .sybanner .banthree .bantxt h2 dl{ display: block;font-size: 15px;color: rgba(255,255,255,0.3);font-weight: lighter;line-height: 2;}
  
  /*公司简介*/
  .about_all{
      width: 100%;    padding: 85px 0;overflow: hidden;
    background-color: #f7f7f7;
  }
  .about_l{
      width: 660px;font-size: 1rem;text-align: justify;
    color: #7d7c7c;
    line-height: 2;
    margin-bottom: 40px;
  }
  
.about_l dl{font-size:43px;
    color: #141414;
    margin-bottom: 1.1rem;}
    
    .about_l p{overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;}
    
.about_l a{
    display:block;margin-top: 2.5rem;width: 11rem;text-align: center;line-height: 3rem;background:linear-gradient(to right,#283fb3,#6073ff );
    color: #fff;border-radius: 40px;overflow: hidden; font-size: 0.92rem;
}    
.about_l a:hover{
    color: #fff;background:linear-gradient(to right,#ff9000,#ffc000 );
}


.about_r{ background: #fff;
    position: relative;border: 6px solid #eee; padding: 5px;
}	
	.about_all .picScroll-left3 .bd{  }
	.about_all .picScroll-left3 .bd ul{ overflow:hidden; zoom:1; }
	.about_all .picScroll-left3 .bd ul li{width:500px; margin:0 ; float:left; _display:inline; overflow:hidden; text-align:center; 
	
	 display:block;}
	 .about_all .picScroll-left3 .bd ul li a{
	     display: block;
	 }
	.about_all .picScroll-left3 .bd ul li .pic{ text-align:center; 
	    height: 340px;
	}
	.about_all .picScroll-left3 .bd ul li .pic img{ width:100%;  height:auto; display:block; }

.about_r .hd{
    display: block;text-align: center;position: absolute;bottom:25px;left: 0;right: 0;width:100%;
}
.about_r .hd li{display: inline-block;border-radius: 50%;overflow: hidden;cursor: pointer;
    width: 8px;height:8px;border: 2px solid #fff; margin: 0 3px;color:transparent;
}
.about_r .hd li.on{
       background: linear-gradient(to right,#283fb3,#6073ff );
}


/*产品中心*/
.prod_all{
    width: 100%;min-width: 1250px;margin-top: 90px;overflow: hidden;
}
.prod_t{
    text-align: center;font-size:43px;
    color: #141414;line-height: 1;
    padding-bottom: 50px;
}
.prod_t dl{
    font-size: 20px;padding-top: 13px;
}
.prodb{
    overflow: hidden;position: relative; margin-bottom: 90px;
}
.prodb .pic{
position: relative;overflow:hidden;
}
.prodb .pic img{
    display: block;width: 100%;height: auto;
}
.prodb .pic:after{
    display: block;content: "";width: 100%;height: 100%;position: absolute;background: rgba(0,0,0,50%);left: 0;top: 0;
}


.prodb .txt{text-align: center;width: 500px;margin: 0 auto;top: 0;
 position: absolute;left: 0;right: 0;padding-top:195px;
 }
.prodb .txt dl{font-size:43px; color: #fff;line-height: 2;
    display: inline-block; vertical-align: middle; position: relative;
    }
    
.prodb .txt dl:After{ 
    margin: 5px auto 25px auto;
    display: block;content: "";width: 50px;height: 2px;background: linear-gradient(to right,#283fb3,#6073ff );
}
.prodb .txt dl:before{  position:absolute;left:0;right: 0;margin: 0 auto;top:91px;
    display: block;content: "";width: 50px;height: 2px;background:linear-gradient(to right,#ff9000,#ffc000 );
    
    animation: arrow  2s infinite;    -moz-animation: arrow 2s infinite;    -ms-animation: arrow 2s infinite;    -o-animation: arrow 2s infinite;    -webkit-animation: arrow 2s infinite;}
@-webkit-keyframes arrow
{
0% {
    width: 0;
}
50% {width:50px;}
100%{width: 0;}
}
@-moz-keyframes arrow
{
0% {
    width: 0;
}
50% {width:50px;}
100%{width: 0;}
}
  

@-o-keyframes arrow
{
0% {
    width: 0;
}
50% {width:50px;}
100%{width: 0;}
}

 
 
 
.prodb .txt p{
    font-size: 1.1rem;line-height: 1.8;color: #fff;
}

.prodb .txt a{
    display: block;
  margin: 2.2rem auto;
    width: 180px;
    text-align: center;
    line-height:46px;

    color: #fff;
  
    overflow: hidden;
    font-size: 1rem;
    /*background: url(images/promore.png) center no-repeat;*/border: 1px solid #fff;border-radius: 50px;overflow: hidden;
}
.prodb .txt a:hover{
    background: linear-gradient(to right,#283fb3,#6073ff );border: none;
}
.prodb+.prodb .txt{
    padding-top: 165px;
}

/*新闻动态*/
.news_all{ background: #283fb3; padding:60px 0;
    width: 100%;min-width: 1250px;position: relative;overflow: hidden;
}
.news_l{
    width: 265px;position: relative;color: #fff;
}
.news_l:after{
    display: block;content: "";width: 1px;height:100px;border-left: 1px dashed rgba(255,255,255,0.2);position: absolute;right: 0;top: 5px;
}
.news_l dl{font-size: 43px;line-height:1;}
.news_l a{
    line-height: 44px;width: 198px;margin-top: 20px;text-align: center;
    display: block;color: #fff;font-size: 1rem;border-radius: 25px;overflow: hidden;border: 1px solid rgba(255,255,255,0.6);
}
.news_l a:hover{background: linear-gradient(to right,#283fb3,#6073ff );
    color: #fff;
}
.news_r{
    width: 940px;
}
.news_r li{}
.news_r li a{color: rgba(255,255,255,0.5);position: relative;
    line-height: 2;
}
.news_r li a .title{ padding-bottom: 10px;
    color: #fff;font-size:1.6rem;line-height: 1.4;
}
.news_r li a .txt{
    font-size: 15px;text-align: justify;
}
.news_r li a .data{
   position: absolute;font-family: "arial";font-size: 14px;right: 0;top: 15px;
}
.news_r li a .title:hover{
    color: #ffd13e;
}
.news_r li:hover a .txt:hover{
    color: #fff;
}


/*留言*/
.feedbacksy{ padding: 90px 0;
    width: 100%;min-width: 1250px;background-color: #f7f7f7;overflow: hidden;
}
.feedbacksy_l{
    width: 605px;
}

.feedbacksy .feedback_content li{ margin-bottom: 20px;
    width: 290px;height: 50px;background: #fff;float: left;line-height: 50px;border: 1px solid #ddd;
}
.feedbacksy .feedback_content li:nth-of-type(2n){
    margin-left: 20px;;
}
.feedbacksy .feedback_content li input{line-height: 50px; padding-left: 20px;
    border: none;outline: none;display: block;width: 100%;box-sizing: border-box;
}
.feedbacksy .fb_message{
    width: 100%;border: 1px solid #ddd;
}

.feedbacksy .fb_message textarea{height: 150px;padding-left: 20px;padding-top: 20px;line-height: 30px;
    border: none;outline: none;display: block;width: 100%;box-sizing: border-box;
}
.feedbacksy .text-center{
    display: block;margin-top: 20px;text-align: center;
}
.feedbacksy .text-center .yzma{
    display: inline-block;
}
.feedbacksy .text-center .wbf-code,.feedbacksy .reset,.feedbacksy .btn_message{vertical-align: top;
    display:inline-block;text-align: center;width:130px;border: 1px solid #ddd;line-height: 48px;background: #fff;outline: none;
}
.feedbacksy .text-center img{
    display: inline-block;height: 50px;width: auto;margin: 0 10px;
}
.feedbacksy .btn_message{background: linear-gradient(to right,#283fb3,#6073ff );color:#fff;border-radius: 50px;
    cursor: pointer;
}
.feedbacksy #ongetmsg{
    margin-left: 10px;
}
.feedbacksy .btn_message:hover{
  background: linear-gradient(to right,#ff9000,#ffc000 );color: #fff;
}
.feedbacksy_r{
    width: 605px;border:6px solid #eee;box-sizing: border-box;
}
.feedbacksy_r .bdmap{
    width: 100%;height:355px;
}


/*版权*/
.copy_all{font-family: "Microsoft Yahei";
    width: 100%;min-width: 1250px;background: linear-gradient(to right bottom,#283fb3,#6073ff,#283fb3); padding:55px 0 30px 0; 
}
.copy_l{
   color: #fff;line-height: 29px;
}
.copy_l:after{
    display: block;content: "";clear: both;
}
.copy_l li p{
    font-size: 1.1rem; padding-bottom: 10px;
}
.copy_l li a{
    display: block;font-size: 0.9rem;color: rgba(255,255,255,0.8);
}
.copy_l li a:hover{
    color: #fff;
}
.copy_l li{
    display: block;float: left;
}
.copy_l li{
    margin-right:6vw;
}
.copy_r{
 font-size: 15px;line-height:2.5;color: #fff;   
}
.copy_r span{
    padding-left: 7px;font-size: 15px;
}
.copy_code{}
.copy_code img{
    display: block;width: 185px;height: auto;background: #fff;
}
.copytxt{
    border-top: 1px solid rgba(255,255,255,0.2); padding-top: 2.5rem;margin-top: 2.5rem;
}
.copytxt .logo img{
    display: block;height: 60px;width: auto;
}
.copytxt .txt{
    color: #fff;font-size: 14px;line-height: 2;text-align: right;
}
.copytxt .txt a{
    color: #fff;font-size: 14px;
}

.copytxt .txtt a{
    display: block;cursor: pointer;position: relative;
}
.copytxt .txtt a+a{
    margin-left: 10px;
}
.copytxt .txtt a:before{
    display: block;font-size: 18px;color: #fff;line-height: 28px;
}
.copytxt .txtt a .pic{left: 10px;bottom: 30px;
    width: 0;height: 0;position: absolute;transition: all ease 0.5s;
}
.copytxt .txtt a .pic img{
    display: block;width: 100%;height: auto;box-sizing:border-box;
}
.copytxt .txtt a:hover .pic{left: -40px;
    width: 100px;height: 100px;
}

/*内页*/
.video_n{
    display: block;width: 800px;height: auto;margin: 0 auto 20px auto;
}



/*内页产品单页*/
 .nprody{font-family: "Microsoft Yahei";
    width: 100%;min-width: 1250px; margin:131px auto 0 auto;
  }
  .nprody .txt{
    padding-top: 180px; color: #fff;font-size: 16px;line-height: 34px;width: 400px;
  }
  .nprody .txt dl{
    font-size: 36px;position: relative;line-height: 40px;
  }
  .nprody .txt dl:after{ height: 1px;background:rgba(255,255,255,0.6);
    display: block;content: "";width: 50px;margin: 40px 0 40px 0;
  }
  
  .nprody .txt a{
      display: block;
    width: 150px;text-align: center;font-size: 16px;color: #fff;border-radius: 40px;overflow: hidden;
    border: 1px solid #fff;line-height: 44px;margin-top: 50px;
  }
  .nprody .txt a:hover{
      color: #fff;background: linear-gradient(to right,#283fb3,#6073ff );
  }
  .nprody1{
    width: 100%;height: 660px;min-width: 1250px;background: url(images/3cdianzin.jpg)center top no-repeat;
  }
  .nprody2{
    width: 100%;height: 660px;min-width: 1250px;background: url(images/yiliaon.jpg)center top no-repeat; margin-top: 10px;
  }
  .nprody3{
    width: 100%;height: 660px;min-width: 1250px;background: url(images/qichen.jpg)center top no-repeat;margin-top: 10px;
  }
  
  
  
  
  
 /*适应屏幕 */
 
@media(max-width:1680px){
.nav>ul>li{ position:relative; margin-right:2.5vw;}
.nav>ul>li>a {
    font-size: 0.9vw;}
    
    
}
  
@media(max-width:1600px){
    .sybanner .banone .bantxt h2{
        font-size:20px;
    }
 .sybanner .banone .bantxt h2 span {
    font-size: 40px;}
    
.sybanner .bantwo .bantxt h2{
    font-size:32px;
}    

.sybanner .banthree .bantxt h2 span{
    font-size:40px;
}
.sybanner .banthree .bantxt h2 i{
    font-size:28px; margin-bottom:10vh;
}
 .sybanner .banthree .bantxt h2 em{margin-bottom:10vh;
     font-size:16px;
 }   
 .sybanner .banthree .bantxt h2 dl{
     font-size:13px;
 }
 .sybanner .banthree .bantxt{
     top:8vh;
 }
}


  
  @media(max-width:1440px){.nav>ul>li>a {
    font-size: 1vw;}
.nav>ul>li{ position:relative; margin-right:3vw;}

.sybanner .banone .bantxt{
  top:2vh; 
}
.sybanner .bantwo .bantxt{
    left:15vw;
}
.sybanner .banthree .bantxt h2 span{
    font-size:36px;
}
}