/* *{margin:0;padding:0;border:0;}
body{background-color: #2A2A2A}
table{border-collapse:collapse;border-spacing:0;}
ul,li,dd,dl,dt,img {list-style:none;}
legend{display:none;}
h1,h2,h3,h4,h5,h6{font-weight:lighter;font-size:100%;}
a{text-decoration:none;}
a:link,a:visited {color:#111111;}
a:active,a:hover {color:#ff0000;}
a.white:link,a.white:visited {color:#ffffff;}
a.white:active,a.white:hover {color:#ffff00;}
a.hui:link,a.hui:visited {color:#999999;}
a.hui:active,a.hui:hover {color:#ffff00;}
a.huii:link,a.huii:visited {color:#555555;}
a.huii:active,a.huii:hover {color:#999999;}
a.hong:link,a.hong:visited {color:#cc0000;}
a.hong:active,a.hong:hover {color:#000000;}
a.lan:link,a.lan:visited {color:#003366;}
a.lan:active,a.lan:hover {color:#ff0000;} */


.exhibition_hall {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.exhibition_hall h4 {
  font-size: 30px;
  font-family: "微软雅黑";
  text-align: center;
  margin: 0px auto;
  padding-top: 50px;
  color: #000;
}

.tline {
  color: #dedede;
}

.roundabout_box ul {}

.roundabout_box img {
  width: 100%;
}

/**********roundabout**********/
.roundabout_box {
  height: 550px;
  width: 1200px;
  margin: 40px auto 20px auto;
}

.roundabout-holder {
  list-style: none;
  width: 980px;
  height: 550px;
  margin: 0px auto;
}

.roundabout-moveable-item {
  font-size: 12px !important;
  height: 550px;
  width: 830px;
  cursor: pointer;
  opacity: 1 !important;
  border-radius: 10px !important;
  overflow: hidden;
}

.roundabout-moveable-item span {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.5);
  transition: all 0.2s
}

.roundabout-moveable-item img {
  height: 100%;
  width: 100%;
  background-color: #FFFFFF;
  margin: 0;
}

.roundabout-in-focus {
  cursor: auto;
}

.roundabout-moveable-item.roundabout-in-focus span {
  background: rgba(0, 0, 0, 0);
  transition: all 0.2s;
  display: none;
}

.roundabout-in-focus000:hover {
  -webkit-box-shadow: 0px 0px 20px #787878;
  -moz-box-shadow: 0px 0px 20px #787878;
}

.roundabout-holder .text {
  color: #999;
}

.roundabout-in-focus000:hover span {
  display: inline;
  position: absolute;
  bottom: 5px;
  right: 5px;
  padding: 8px 20px;
  color: #3366cc;
  z-index: 999;
  -webkit-border-top-left-radius: 5px;
  -moz-border-radius-topLeft: 5px;
  border-left: 1px solid #aaaaaa;
  border-top: 1px solid #aaaaaa;
}

.roundabout a:active,
.roundabout a:focus,
.roundabout a:visited {
  outline: none;
  text-decoration: none;
}

.roundabout li {
  margin: 0
}

.roundabout_box .swiper-button-next {
  position: absolute;
  right: 50px;
  background: #fff;
  z-index: 999;
  width: 66px;
  height: 66px;
  background: #fff;
  color: #6d7d90;
  font-size: 20px;
  text-align: center;
  line-height: 66px;
  border-radius: 50%;
}

.roundabout_box .swiper-button-prev {
  position: absolute;
  left: 50px;
  background: #fff;
  z-index: 999;
  width: 66px;
  height: 66px;
  background: #fff;
  color: #6d7d90;
  font-size: 20px;
  text-align: center;
  line-height: 66px;
  border-radius: 50%;
}

.roundabout_box .swiper-button-next i,
.roundabout_box .swiper-button-prev i {
  font-size: 26px;
}

.content .transi-ul {
  margin-top: 50px;
}

.transi-up1 {
  overflow: hidden;
  width: 385px;
  height: 280px;
  border-radius: 8px;
}

/* .content ul .transi-up{overflow: hidden; box-shadow: inset 0px 0px 20px 0px #ececec;} */
.transi-up1 a {
  display: block;
  position: relative;
  overflow: hidden;
  transition: all .8s;
  width: 100%;
  height: 100%;
}

.content ul .transi-up1 a .content-img {
  margin-top: 0px;
  width: 100%;
  height: 100%;
}

.transi-up1 a .zhezhao {
  width: 100%;
  color: #ffffff00;
  font-size: 16px;
  height: 100%;
  background-color: rgba(0, 0, 0, 0);
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .8s;
  z-index: -1;
}

.transi-up1 a p {
  width: 100%;
  color: #fff;
  font-size: 16px;
  bottom: 0;
  left: 0;
  position: absolute;
  height: 76px;
  box-sizing: border-box;
  background: -webkit-linear-gradient(rgba(0, 0, 0, 0), rgba(14, 22, 32, 0.4));
  transition: all 0.4s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 30px;
}

.transi-up1 a img {
  transition: all .8s;
}

.transi-up1 a:hover img {
  transform: scale(1.02);
}

.transi-up1 a:hover .zhezhao {
  background-color: rgba(0, 0, 0, 0.494);
  color: #ffffff;
  z-index: 2;
}

.transi-up1 a:hover p {
  bottom: -60px;
}


.roundabout_box ul li {
  position: relative;
}

.roundabout_box ul li .video-img {
  cursor: pointer;
  padding-left: 5px;
  position: absolute;
  width: 60px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 24px;
  border-radius: 60px;
  color: #fff;
  background-color: rgba(51, 51, 51, 0.6);
  border: none;
}

.roundabout_box ul .video video {
  max-width: 100%;
  width: 830px;
  height: 550px;
  outline: none;
}