.video-container {
  position: relative;
  width: 100%;
  min-width: 1400px;
  height: 100vh;
}
.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
}
.video-container video::-webkit-media-controls,
.section video::-webkit-media-controls {
  display: none!important;
}
.video_text {
  position: relative;
  z-index: 2;
  color: #fff;
}
.video_text .page_nav {
  display: flex;
  width: 1200px;
  margin: auto;
  height: 60px;
  align-items: center;
}
.video_text .page_nav img {
  margin-right: 120px;
  cursor: pointer;
}
.video_text .page_nav ul {
  display: flex;
  height: 100%;
  align-items: center;
}
.video_text .page_nav li {
  margin-right: 60px;
  cursor: pointer;
}
/* -------------------start  */
.section_one {
  padding-left: 8%;
  padding-top: 326px;
  width: 40%;
}
.section_one .large_text {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 19px;
  position: relative;
}
.section_one .second_text {
  font-size: 24px;
  line-height: 36px;
}
.grid_area {
  background-color: #F4F5F7;
  padding: 87px 8% 80px;
}
.grid_area > .title {
  text-align: center;
}
.bold_text {
  color: #333;
  font-weight: bold;
  font-size: 36px;
}
.middle_flex {
  padding: 85px 8%;
}
.middle_flex .title {
  text-align: center;
}
.middle_flex .desc {
  margin: 20px 0;
  font-size: 18px;
  line-height: 27px;
}
.middle_flex img {
  width: 100%;
}
.grid_area .title {
  margin-bottom: 20px;
}
.grid_area ul {
  display: grid;
  grid-template-rows: repeat(2, 1fr);
  /* 两行，每行占用1/2的空间 */
  grid-template-columns: repeat(3, 1fr);
  /* 三列，每列占用1/3的空间 */
  gap: 30px;
}
.grid_area .grid_item {
  position: relative;
  height: 400px;
}
.grid_area .grid_item:nth-child(1) {
  grid-column-start: span 2;
}
.grid_area .grid_item img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.grid_desc {
  position: relative;
  color: #fff;
  padding: 30px;
}
.grid_desc .title {
  font-size: 36px;
  font-weight: bold;
  line-height: 48px;
  margin-bottom: 4px;
  color: #fff;
}
.grid_desc .desc {
  font-size: 18px;
  line-height: 27px;
}