.banner {
  width: 100%;
  min-width: 1200px;
  text-align: left;
  position: relative;
  top: 100px;
}

.banner .aboutcon {
  width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  font-size: 16px;
}

.banner .abouttop {
  width: 100%;
  background: url("../img/banner_top_02.jpg") no-repeat;
  background-size: 100% 100%;
  height: 380px;
  padding-top: 140px;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

.banner .abouttop .title1 {
  font-size: 42px;
  color: #FFF;
  font-weight: 0;
}

.banner .abouttop .line1 {
  width: 30px;
  height: 2px;
  background: #FFF;
  margin: 10px 0;
}

.banner .abouttop .title2 {
  font-size: 24px;
  color: #FFF;
  font-weight: 0;
}

.banner .abouttop1 {
  background: url("../img/banner_top_02.jpg") no-repeat;
  background-size: 100% 100%;
}

.banner .abouttop2 {
  background: url("../img/banner_top_02.jpg") no-repeat;
  background-size: 100% 100%;
}

.banner .abouttop3 {
  background: url("../img/banner_top_02.jpg") no-repeat;
  background-size: 100% 100%;
}

.banner .abouttop4 {
  background: url("../img/banner_top_02.jpg") no-repeat;
  background-size: 100% 100%;
}

.banner .abouttop5 {
  background: url("../img/banner_top_02.jpg") no-repeat;
  background-size: 100% 100%;
}

.banner .sboiunv {
  width: 100%;
  background: #f3f2f1;
  height: 60px;
  line-height: 60px;
  font-size: 14px;
  color: #333;
}

.banner .sboiunv a {
  color: #333;
  margin-right: 3px;
  margin-left: 3px;
}

.banner .sboiunv a:first-child {
  padding-left: 20px;
}

.banner .aboutBottom {
  overflow: hidden;
  padding: 80px 0;
  background: #fff;
}

.banner .aboutBottom .aboutBottomR {
  width: 1200px;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 {
  display: none;
  width: 1200px;
  margin: 0 auto;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .aboutrtitle {
  border-left: 5px solid #b8914c;
  padding-left: 10px;
  font-size: 30px;
  color: #333;
  margin: 0px 0px 15px 0px;
  font-weight: 0;
  height: 35px;
  line-height: 35px;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro {
  border-top: 1px dashed #ddd;
  padding: 45px 0;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro p {
  font-size: 14px;
  color: #333;
  line-height: 27px;
  margin: 20px 0;
  text-align: justify;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro1 {
  color: #333;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro1 .thimetit {
  font-size: 14px;
  color: #000;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro1 .thimetit .sj {
  display: inline-block;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro1 .thimetit .ly {
  display: inline-block;
  margin-left: 83px;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro1 .video_wrap {
  width: 844px;
  margin: 46px auto 0;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro1 .video_wrap .listvi {
  width: 844px;
  height: 432px;
  overflow: hidden;
  position: relative;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro1 .video_wrap .listvi video {
  width: 100%;
  height: 100%;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro1 .video_wrap .listvi .icon-play {
  position: absolute;
  top: calc(50% - 76px / 2);
  left: calc(50% - 77px / 2);
  cursor: pointer;
  z-index: 2;
}

.banner .aboutBottom .aboutBottomR .aboutcon2 .intro1 .video_wrap .listvi .mask {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.2);
  width: inherit;
  height: inherit;
}