body {
  font-family: Helvetica,Microsoft YaHei;
  font-size: 16px;
  color: #000;
  background: #3eaac4;
}
*{
  -moz-transition: all .25s;
  -o-transition: all .25s;
  -webkit-transition: all .25s;
  transition: all .25s;
}
p{
  letter-spacing: 1.5px;
}
.box{
  width: 1200px;
  margin: 0 auto;
}
.clear {
  clear: both;
}
.web-title {
  font-size: 30px;
  letter-spacing: 1px;
  width: 200px;
  text-align: center;
  line-height: 60px;
  margin: 0 auto;
  padding-bottom: 35px;
}
.web-title-01{
  color: #000;
  background: url(../images/title_line_01.png) no-repeat center bottom;
}
.web-title-02{
  color: #fff;
  background: url(../images/title_line_02.png) no-repeat center bottom;
}
.web-title-03{
  color: #000;
  background: url(../images/title_line_03.png) no-repeat center bottom;
}
.web-block{
  min-width: 1200px;
  padding: 65px 0;
}

/*顶部导航*/
.web-nav{
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  width: 100%;
  min-width: 1200px;
  height: 100px;
  background: #3ba3bc;
}
.web-nav .nav-logo{
  margin: 20px 20px;
  display: block;
  float: left;
}
.web-nav ul{
  max-width: 950px;
  height: 44px;
  float: right;
  margin: 30px 30px 0;
}
.web-nav li{
  color: #fff;
  min-width: 87px;
  height: 44px;
  font-size: 18px;
  line-height: 40px;
  text-align: center;
  float: left;
  margin: 0 32px;  
  cursor: pointer;
}
.web-nav li.active{
  font-size: 20px;
  font-weight: bold;
}
.web-nav li:hover::after,.web-nav li.active::after{
  content:'';
  width: 87px;
  height: 11px;
  background: url(../images/nav_line.png) no-repeat center;
  display: block;
  margin: 0 auto;
}

/*焦点图*/
.web-banner{
  width: 100%;
  min-width: 1200px;
  min-height: 578px;
  background: #3eaac4;
  margin-top: 100px;
}
.web-banner .index-pic{
  height: 100%;
}
.web-banner .index-text{
  float: right;
  background: url(../images/img_top_02.jpg) no-repeat center;
  background-size: auto 65%;
}

/*前言*/
.web-block-1{
  position: relative;
  font-size: 18px;
  line-height: 2;
  text-align: justify;
  background: #fef7f0;
}
.web-block-1 .box{
  width: 1100px;
}
.web-block-1 .block-1-tit{
  font-size: 28px;
  text-align: center;
  margin: 35px 0;
}
.web-block-1 .block-1-bg-1{
  position: absolute;
  top: 200px;
  right: 0;
  width: 374px;
  height: 889px;
  background: url(../images/bg_01.png) no-repeat center;
}
.web-block-1 .block-1-bg-2{
  position: absolute;
  bottom: 100px;
  left: 0;
  width: 335px;
  height: 1112px;
  background: url(../images/bg_02.png) no-repeat center;
}
@media screen and (max-width: 1600px) {
    .web-block-1 .block-1-bg-1,.web-block-1 .block-1-bg-2{
      display: none;
    }
}

/*单元介绍*/
.web-block-2{
  background: #d1dbbd;
  padding: 65px 0 0;
}
.web-block-2 .box{
  width: 1100px;
}
.chapter-block{
  padding: 80px 0;
}
.chapter-block .chapter-tit{
  width: 1100px;
  height: 50px;
  font-size: 24px;
  background: url(../images/main_line_02.png) no-repeat center;
  line-height: 50px;
  text-align: center;
}
.chapter-block .chapter-con{
  font-size: 18px;
  line-height: 2;
  margin: 35px 0 60px;
  text-indent: 2em;
}
.chapter-block .unit-block{
  position: relative;
  padding: 84px 0 80px;
  background: url(../images/unit_line_02.png) no-repeat center top;
}
.chapter-block .unit-con-block{}
.chapter-block .unit-con-block .unit-tit{
  font-size: 20px;
  text-align: center;
}
.chapter-block .unit-con-block .unit-con{
  font-size: 17px;
  line-height: 2;
  text-indent: 2em;
  margin-top: 30px;
}
.chapter-block .item-block{
  line-height: 30px;
}
.chapter-block .item-pic{}
.chapter-block .item-tit{
  padding: 5px 0;
  border-bottom: 1px solid #000;
  margin-bottom: 15px;
}
.chapter-block .item-info{}

/*单元介绍个别样式*/
.chapter-0{}
.chapter-0 .item-0{
  width: 520px;
  margin: 0 auto;
  text-align: center; 
}
.chapter-0 .item-tit{
  width: 320px;
  margin: 50px auto 0; 
}

/*第一单元*/
.chapter-1{
  color: #fff;
  background: #91aa9d;
}
.chapter-1 .unit-0 .unit-con-block{
  position: absolute;
  top: 50px;
  right: 150px;
  width: 350px;
}
.chapter-1 .unit-0 .item-0 .item-con{
  position: absolute;
  top: 500px;
  right: 150px;
  width: 350px;
}
.chapter-1 .unit-0 .item-0 .item-tit{
  width: 200px;
}
.chapter-1 .unit-1 .unit-con-block{
  width: 870px;
  margin: 0 auto; 
}
.chapter-1 .unit-1 .item-0{
  text-align: right;
  margin-top: 100px;
}
.chapter-1 .unit-1 .item-0 .item-con{
  position: absolute;
  top: 430px;
  left: 150px;
  width: 350px;
}
.chapter-1 .unit-1 .item-0 .item-tit{
  width: 170px;
  display: inline-block;
}
.chapter-1 .unit-1 .item-1{
  text-align: center;
  margin-top: 100px;
}
.chapter-1 .unit-1 .item-1 .item-tit{
  width: 300px;
  display: inline-block;
  margin-top: 30px;
}
.chapter-1 .unit-2 .unit-con-block{
  position: absolute;
  top: 100px;
  right: 150px;
  width: 350px;
}
.chapter-1 .unit-2 .item-0 .item-con{
  position: absolute;
  top: 450px;
  right: 150px;
  width: 350px;
}
.chapter-1 .unit-2 .item-0 .item-tit{
  width: 200px;
}
.chapter-1 .unit-3 .unit-con-block{
  position: absolute;
  top: 100px;
  right: 150px;
  width: 350px;
}
.chapter-1 .unit-3 .item-0 .item-con{
  position: absolute;
  top: 600px;
  right: 150px;
  width: 350px;
}
.chapter-1 .unit-3 .item-0 .item-tit{
  width: 200px;
}
.chapter-1 .unit-3 .item-1{
  text-align: right;
  margin-top: 50px;
}
.chapter-1 .unit-3 .item-1 .item-con{
  position: absolute;
  top: 900px;
  left: 260px;
  width: 260px;
}
.chapter-1 .unit-3 .item-1 .item-tit{
  width: 160px;
  display: inline-block;
}

/*第二单元*/
.chapter-2 .unit-con-block{
  width: 870px;
  margin: 0 auto; 
}
.chapter-2 .unit-1 .item-0{
  margin-top: 60px;
}
.chapter-2 .unit-1 .item-0 .item-con{
  position: absolute;
  top: 500px;
  right: 150px;
  width: 350px;
}
.chapter-2 .unit-1 .item-0 .item-tit{
  width: 200px;
}
.chapter-2 .unit-2 .item-0{
  text-align: right;
  margin-top: 60px;
}
.chapter-2 .unit-2 .item-0 .item-con{
  position: absolute;
  top: 600px;
  left: 260px;
  width: 260px;
}
.chapter-2 .unit-2 .item-0 .item-tit{
  width: 160px;
  display: inline-block;
}

/*第三单元*/
.chapter-3{
  color: #fff;
  background: #91aa9d;
}
.chapter-3 .unit-con-block{
  width: 870px;
  margin: 0 auto; 
}
.chapter-3 .unit-0 .item-0{
  text-align: left;
  margin-top: 60px;
}
.chapter-3 .unit-0 .item-0 .item-con{
  position: absolute;
  top: 740px;
  left: 640px;
  width: 260px;
}
.chapter-3 .unit-0 .item-0 .item-tit{
  width: 160px;
  display: inline-block;
}
.chapter-3 .unit-0 .item-1{
  text-align: right;
  margin-top: 60px;
}
.chapter-3 .unit-0 .item-1 .item-con{
  position: absolute;
  top: 1200px;
  left: 260px;
  width: 260px;
}
.chapter-3 .unit-0 .item-1 .item-tit{
  width: 160px;
  display: inline-block;
}
.chapter-3 .unit-1 .unit-con-block{
  position: absolute;
  top: 100px;
  left: 180px;
  width: 350px;
}
.chapter-3 .unit-1 .item-0{
  text-align: right;
  margin-top: 20px;
}
.chapter-3 .unit-1 .item-0 .item-con{
  position: absolute;
  top: 720px;
  left: 260px;
  width: 260px;
}
.chapter-3 .unit-1 .item-0 .item-tit{
  width: 160px;
  display: inline-block;
}
.chapter-3 .unit-1 .item-1{
  text-align: left;
  margin-top: 20px;
}
.chapter-3 .unit-1 .item-1 .item-con{
  position: absolute;
  top: 1220px;
  left: 660px;
  width: 340px;
}
.chapter-3 .unit-1 .item-1 .item-tit{
  width: 160px;
  display: inline-block;
}
.chapter-3 .unit-3 .item-0{
  margin-top: 50px;
}
.chapter-3 .unit-3 .item-0 .item-pic{
  margin-left: 100px;
}
.chapter-3 .unit-3 .item-0 .item-con{
  position: absolute;
  top: 750px;
  right: 150px;
  width: 350px;
}
.chapter-3 .unit-3 .item-0 .item-tit{
  width: 200px;
}
.chapter-3 .unit-3 .item-1{
  text-align: right;
  margin-top: 50px;
}
.chapter-3 .unit-3 .item-1 .item-pic{
  margin-right: 60px;
}
.chapter-3 .unit-3 .item-1 .item-con{
  position: absolute;
  top: 1400px;
  left: 260px;
  width: 260px;
}
.chapter-3 .unit-3 .item-1 .item-tit{
  width: 160px;
  display: inline-block;
}

/*第四单元*/
.chapter-4{}
.chapter-4 .unit-0 .unit-con-block{
  position: absolute;
  top: 60px;
  left: 190px;
  width: 350px;
}
.chapter-4 .unit-0 .item-0{
  text-align: right;
  margin-top: 20px;
}
.chapter-4 .unit-0 .item-0 .item-con{
  position: absolute;
  top: 420px;
  left: 220px;
  width: 300px;
}
.chapter-4 .unit-0 .item-0 .item-tit{
  width: 160px;
  display: inline-block;
}
.chapter-4 .unit-1 .unit-con-block{
  position: absolute;
  top: 100px;
  right: 150px;
  width: 350px;
}
.chapter-4 .unit-1 .item-0 .item-pic{
  margin-left: 80px;
}
.chapter-4 .unit-1 .item-0 .item-con{
  position: absolute;
  top: 500px;
  right: 150px;
  width: 350px;
}
.chapter-4 .unit-1 .item-0 .item-tit{
  width: 200px;
}
.chapter-4 .unit-2 .item-0{
  text-align: right;
  margin-top: 50px;
}
.chapter-4 .unit-2 .item-0 .item-pic{
  margin-right: 60px;
}
.chapter-4 .unit-2 .item-0 .item-con{
  position: absolute;
  top: 450px;
  left: 260px;
  width: 260px;
}
.chapter-4 .unit-2 .item-0 .item-tit{
  width: 160px;
  display: inline-block;
}
.chapter-4 .unit-2 .item-1{
  margin-top: 50px;
}
.chapter-4 .unit-2 .item-1 .item-pic{
  margin-left: 100px;
}
.chapter-4 .unit-2 .item-1 .item-con{
  position: absolute;
  top: 800px;
  right: 150px;
  width: 350px;
}
.chapter-4 .unit-2 .item-1 .item-tit{
  width: 200px;
}

/*第五单元*/
.chapter-5{
  color: #fff;
  background: #91aa9d;
}
.chapter-5 .unit-con-block{
  width: 870px;
  margin: 0 auto; 
}
.chapter-5 .unit-1 .item-0{
  margin-top: 60px;
}
.chapter-5 .unit-1 .item-0 .item-pic{
  margin-left: 80px;
}
.chapter-5 .unit-1 .item-0 .item-con{
  position: absolute;
  top: 780px;
  right: 150px;
  width: 350px;
}
.chapter-5 .unit-1 .item-0 .item-tit{
  width: 200px;
}
.chapter-5 .unit-2 .item-0{
  text-align: center;
  margin-top: 50px;
}
.chapter-5 .unit-2 .item-0 .item-tit{
  width: 300px;
  display: inline-block;
  margin-top: 30px;
}

/*第七单元*/
.chapter-7{
  color: #fff;
  background: #91aa9d;
}
.chapter-7 .item-0{
  width: 520px;
  text-align: center;
  margin: 30px 0;
  display: inline-block;
}
.chapter-7 .item-0 .item-tit{
  width: 300px;
  display: inline-block;
  margin-top: 30px;
}
.chapter-7 .item-1{
  width: 520px;
  text-align: center;
  margin: 30px 0;
  display: inline-block;
}
.chapter-7 .item-1 .item-tit{
  width: 300px;
  display: inline-block;
  margin-top: 30px;
}

/*其他*/
.chapter-1 .chapter-tit,.chapter-3 .chapter-tit,.chapter-5 .chapter-tit,.chapter-7 .chapter-tit{
  background: url(../images/main_line_01.png) no-repeat center;
}
.chapter-1 .unit-block,.chapter-3 .unit-block,.chapter-5 .unit-block,.chapter-7 .unit-block{
  padding: 84px 0 80px;
  background: url(../images/unit_line_01.png) no-repeat center top;
}
.chapter-1 .item-tit,.chapter-3 .item-tit,.chapter-5 .item-tit,.chapter-7 .item-tit{
  border-bottom: 1px solid #fff;
}
.chapter-block .unit-0{
  padding: 20px 0 80px;
   background: none;
}

/*虚拟展厅*/
.web-block-3{
  background: #d1dbbd;
}

/*参观导览*/
.web-block-4{
  // background: #91aa9d;
  background: #d1dbbd;
}
.block-4-text{
  margin: 35px 0;
  text-align: center;
}
.block-4-block{
  font-size: 15px;
  line-height: 2;
  width: 600px;
  background: #fff;
  text-align: left;
  margin: -18px auto -14px;
  padding: 35px 80px;
}
.block-4-block a:hover{
  text-decoration: underline;
}

/*展览资讯*/
.web-block-5{
  background: #d1dbbd;
}
.block-5-news {
  // width: 360px;
  // height: 233px;
  // margin: 50px 18px;
  // display: inline-block;
  width: 1045px;
  height: 589px;
  margin: 50px auto 0;
  display: block;
}
.block-5-news .news-pic{
  position: relative;
  // width: 360px;
  // height: 203px;
  width: 1045px;
  height: 589px;
}

.block-5-news .news-pic::after{
  content:'';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 70px;
  height: 70px;
  margin: -35px 0 0 -35px;
  background: url(../images/ico_play.png) no-repeat center;
}
.block-5-news .news-pic img{
  width: 100%;
  display: block;
}
.block-5-news p{
  color: #4c3a35;
  width: 360px;
  height: 40px;
  line-height: 40px;
  text-align: center;
}

/*微博热议*/
.web-block-6{
  background: #e9e9e9;
}
.web-block-6 iframe{
  width: 1000px;
  height: 860px;
  display: block;
  margin: 55px auto 0;
}

/*主办单位/赞助机构*/
.web-hosted{
  text-align: center;
  margin: 80px auto 0;
}
.web-hosted img{
  display: inline-block;
  margin-bottom: 20px;
}

/*底部*/
footer{
  font-size: 18px;
  color: #fff;
  text-align: center;
  padding: 40px 0 80px;
}
footer .btn-share{
  width: 76px;
  height: 63px;
  display: inline-block;
  margin: 20px 0;
}
footer .share-wb{
  background: url(../images/ico_wb.png) no-repeat center;
}
footer .share-wx{
  position: relative;
  background: url(../images/ico_wx.png) no-repeat center;
  cursor: pointer;
}
footer .share-wx .ewm{
  position: absolute;
  top: -55px;
  right: -140px;
  opacity: 0
}
footer .share-wx:hover .ewm{
  opacity: 1;
}

/*弹出框*/
.web-pop-shade{
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,.9);
  display: none;
}
.web-pop{
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1100px;
  height: 350px;
  background: #d1dbbd;
  margin-top: -275px;
  margin-left: -600px;
  padding: 100px 50px;
  border-radius: 5px;
}
.web-pop .pop-close{
  position: absolute;
  top: 35px;
  right: 40px;
  width: 40px;
  height: 40px;
  background: url(../images/ico_close.png) no-repeat center;
  cursor: pointer;
}
.pop-pic{
  width: 350px;
  height: 350px;
  float: left;
}
.pop-pic .swiper-pagination{
  bottom: 15px;
  display: none;
}
.pop-pic .swiper-pagination .swiper-pagination-bullet{
  width: 12px;
  height: 12px;
  background: #402e2a;
  opacity: .6;
  margin: 0 7px;
}
.pop-pic .swiper-pagination .swiper-pagination-bullet-active{
  opacity: 1;
}
.pop-pic .swiper-button-next{
  width: 18px;
  height: 33px;
  background: url(../images/ico_right.png) no-repeat center;
  display: none;
}
.pop-pic .swiper-button-prev{
  width: 18px;
  height: 33px;
  background: url(../images/ico_left.png) no-repeat center;
  display: none;
}
.pop-right{
  color: #402e2a;
  width: 700px;
  float: right;
}
.pop-right .pop-title{
  font-size: 26px;
}
.pop-right .pop-info{
  margin: 20px 0;
  line-height: 1.8;
}
.pop-right .pop-con{
  height: 132px;
  line-height: 1.8;
  overflow: hidden;
  padding-right: 10px;
}