.product_matrixvision_page .gray_bg {
  background-color: #F8F8F8;
}
.product_matrixvision_page .banner{
  background-image: url(https://static.ainnovation.com/static/assets/img/new_2021_tiny/Product_MatrixVision_banner_@2x.jpg);
  height: 400px;
}
.product_matrixvision_page .content-area {
  display: block;
}
.product_matrixvision_page .content-area img {
  width: 100%;
}
.product_matrixvision_page .function_card {
  display: flex;
  height: 320px;
}
.product_matrixvision_page .function_card_nav {
  width: 231px;
  margin: 0;
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin-right: 18px;
  border-radius: 4px;
  border: 1px solid #E6E7EB;
  background-color: #fff;
}
.product_matrixvision_page .function_card_nav li {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  color: #888888;
  flex: 1;
  width: 229px;
  cursor: pointer;
  text-align: center;
}
.product_matrixvision_page .function_card ol {
  position: relative;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.product_matrixvision_page .function_card ol li {
  width: 100%;
  height: 100%;
  display: none;
}
.product_matrixvision_page .function_card ol li img {
  height: 320px;
  border-radius: 4px;
}
.product_matrixvision_page .mask {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 121px;
  background: rgba(0,0,0,0.80);
  color: #fff;
  border-radius: 0 0 4px 4px;
  padding: 24px;
  font-size: 14px;
  line-height: 24px;
}
.product_matrixvision_page.en .mask {
  padding: 18px;
}
.product_matrixvision_page .mask .title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 10px;
}
.product_matrixvision_page.en .mask .title {
  margin-bottom: 5px;
}
.product_matrixvision_page .function_card_nav li.active {
  background: linear-gradient(289deg, #F7A834 0%, #FA6F23 100%);
  color: #FFFFFF;
  border-radius: 4px;
}

.product_matrixvision_page .function_card ol li.active {
  display: block;
}