.flex-center {
  justify-content: center;
  align-items: center;
}

.flex-align-center {
  align-items: center;
}

.flex-justify-center {
  justify-content: center;
}

body {
  letter-spacing: 0;
}

.page {
  position: relative;
  width: 1920px;
  height: 6400px;
  overflow: hidden;
}

.section_2 {
  margin-top: 50px;
  width: 253px;
  height: 56px;
  cursor: pointer;
  border: 1px solid rgba(51, 51, 51, 1);
}

.text_8 {
  overflow-wrap: break-word;
  color: rgba(51, 51, 51, 1);
  font-size: 36px;
  font-family: SourceHanSansCN-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 36px;
}

.label_1 {
  width: 24px;
  margin-left: 16px;
}

.image_29 {
  width: 624px;
}

.divider-line {
  margin-left: 30px;
  margin-right: 36px;
  width: 5px;
  font-size: 60px;
  font-weight: 800;
  color: #333333;
}

.banner_subtitle {
  margin-top: 24px;
  font-weight: 500;
  font-size: 30px;
  color: #666666;
}

#leading {
  padding-top: 100px;
  padding-bottom: 100px;
}

.text_23 {
  margin-bottom: 77px;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 48px;
  color: #333333;
  line-height: 48px;
}

.leading_player {
  position: relative;
}

.play_button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
}

.energy_video {
  align-items: center;
}

.special_text {
  font-weight: bold;
  font-size: 48px;
  color: #333333;
  line-height: 48px;
  background: linear-gradient(-90deg, #4e0fa5 0%, #00cdb8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

#connect {
  padding-top: 193px;
  padding-bottom: 192px;
}

.video-container {
  position: relative;
  overflow: hidden; /* 隐藏溢出的黑边 */
  width: 720px;
  height: 415px;
}
#dingdan_video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: multiply;
}

.connect_title {
  font-weight: bold;
  font-size: 36px;
  color: #333333;
  line-height: 48px;
}

.connect_line_1 {
  height: 4px;
  background-color: #4e0fa5;
  width: 147px;
}

.connect_line_2 {
  height: 1px;
  background-color: rgba(230, 230, 230, 1);
  width: 290px;
}

.connect_sub {
  font-weight: bold;
  font-size: 24px;
  color: rgba(51, 51, 51, 1);
}

.connect_text {
  font-weight: normal;
  font-size: 18px;
  color: rgba(102, 102, 102, 1);
}

#part {
  height: 759px;
}

#energy {
  position: relative;
}

#energy_video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -419px);
  z-index: 1;
}

.energy_title {
  width: 96px;
  height: 34px;
  justify-content: center;
  align-items: center;
  background-color: rgba(51, 51, 51, 1);
}

.energy_content {
  position: absolute;
  top: 50%;
  transform: translate(0%, -50%);
  z-index: 2;
}

.energy_sub {
  margin-top: 19px;
  margin-bottom: 38px;
  font-weight: bold;
  font-size: 36px;
  color: rgba(51, 51, 51, 1);
}

.more_text {
  width: 117px;
  height: 36px;
  border: 1px solid #333333;
}

.arrow_btn {
  width: 42px;
  height: 42px;
  cursor: pointer;
}