.banner {
  position: relative;
}
.banner .banner_img img {
  width: 100%;
}
.banner .banner_title {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  text-align: center;
}
.banner .banner_title .en {
  font-size: 60px;
  font-weight: 500;
  color: #ffffff;
  margin-bottom: 10px;
}
@media (max-width: 600px) {
  .banner .banner_title .en {
    font-size: 20px;
  }
}
.banner .banner_title .cn {
  font-size: 26px;
  font-weight: 500;
  color: #ffffff;
}
@media (max-width: 600px) {
  .banner .banner_title .cn {
    font-size: 20px;
  }
}
.content {
  background: url(../images/subsidiary_bg.png) no-repeat bottom center;
  background-size: cover;
  padding: 60px 0;
}
@media (max-width: 600px) {
  .content {
    padding: 20px 0 40px;
  }
}
.intro_title {
  font-size: 24px;
  font-weight: 700;
  color: #222222;
  position: relative;
  padding-left: 30px;
  margin-bottom: 20px;
}
.intro_title::after {
  content: '';
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.intro_title::before {
  content: '';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0px;
  width: 3px;
  height: 28px;
  opacity: 1;
  background: #159990;
}
.intro_title .more {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 22.4px;
  color: #666666;
  -webkit-transition: opacity 0.3s;
  -o-transition: opacity 0.3s;
  -moz-transition: opacity 0.3s;
  transition: opacity 0.3s;
}
.intro_title .more:hover {
  opacity: 0.7;
}
.item_box_hor {
  box-sizing: border-box;
  margin-left: -12.5px;
  margin-right: -12.5px;
}
.item_box_hor::after {
  content: '';
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.item_box_hor > li {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  width: 33.333%;
  padding-left: 12.5px;
  padding-right: 12.5px;
  float: left;
}
.item_box_hor > li:nth-child(n) {
  margin-top: 0;
}
.item_box_hor > li:nth-child(n + 3) {
  margin-top: 25px;
}
.item_box_hor > li:nth-child(3) {
  margin-top: 0;
}
.item_box_hor a {
  display: block;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
@media (max-width: 600px) {
  .item_box_hor {
    margin-left: -12.5px;
    margin-right: -12.5px;
  }
  .item_box_hor::after {
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
  }
  .item_box_hor > li {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    width: 100%;
    padding-left: 12.5px;
    padding-right: 12.5px;
    float: left;
  }
  .item_box_hor > li:nth-child(n) {
    margin-top: 0;
  }
  .item_box_hor > li:nth-child(n + 1) {
    margin-top: 25px;
  }
  .item_box_hor > li:nth-child(1) {
    margin-top: 0;
  }
  .item_box_hor a {
    display: block;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
}
.item_box_hor li a {
  transition: all 0.3s;
  box-sizing: border-box;
  width: 100%;
  height: 130px;
  background-color: #fff;
  border: solid 1px #dcdcdc;
  padding-right: 40px;
  display: flex;
  justify-content: start;
  align-items: center;
  overflow: hidden;
}
.item_box_hor li span {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 136px;
  height: 100%;
  text-align: center;
}
.item_box_hor li img {
  max-width: 80%;
  max-height: 80%;
}
.item_box_hor li h6 {
  transition: all 0.3s;
  width: calc(100% - 136px);
  font-size: 18px;
  font-weight: bold;
  color: #333333;
  text-align: left;
  line-height: 1.8;
}
.item_box_hor li:hover a {
  background-color: #ffffff;
  box-shadow: 0px 5px 18px 0px rgba(0, 0, 0, 0.19);
}
.item_box_hor li:hover h6 {
  color: #159990;
}