.banner_title {
  position: absolute;
  left: 0;
  width: 100%;
  text-align: center;
  font-weight: bold;
  color: #fff;
  top: 50%;
  height: 56px;
  line-height: 56px;
  margin-top: -28px;
  font-family: 'Montserrat-Bold';
}
.search_all {
  background-color: #fff;
  border-radius: 24px;
  margin: auto;
  font-family: 'Montserrat-Medium';
  color: #9e9e9f;
  position: relative;
  z-index: 9;
  position: relative;
}
.search_all input {
  background-color: #f2f2f2;
  border-radius: 32px;
}
.searchbtn {
  position: absolute;
  cursor: pointer;
}
.searchbtn img {
  width: 100%;
}
.tab {
  display: flex;
  justify-content: space-between;
}
.tab .list {
  background-color: #fff;
  text-align: center;
  border-radius: 12px;
  position: relative;
  color: #000;
}
.tab .on {
  background-color: #004bfa !important;
  color: #fff !important;
}
.tab .on::after {
  content: '';
  position: absolute;
  bottom: 0;
  transform: rotate(45deg);
  background-color: #004bfa;
  left: 50%;
  z-index: 0;
}
.software .list,
.manual .list {
  background-color: #fff;
  border-radius: 24px;
  display: flex;
  justify-content: flex-start;
}
.software .list .title,
.manual .list .title {
  font-family: 'Montserrat-Bold';
  color: #000;
}
.software .list .sub_title,
.manual .list .sub_title {
  font-family: 'Montserrat-Regular';
  color: #9e9e9f;
}
.software .list .des,
.manual .list .des {
  font-family: 'Montserrat-Medium';
  color: #000;
}
.software .l_button,
.manual .l_button {
  background-color: rgba(0, 75, 250, 0.05);
  color: #fff;
  font-family: 'Montserrat-Bold';
  color: #004bfa;
  cursor: pointer;
}
.software .l_button:hover,
.manual .l_button:hover {
  background-color: #004bfa;
  color: #fff;
  font-family: 'Montserrat-Bold';
}
.display_none {
  display: none;
}
.video .hd {
  width: 100%;
  background-color: #fff;
  border-radius: 12px;
  overflow: hidden;
}
.video ul {
  display: flex;
  justify-content: flex-start;
}
.video .hd li {
  position: relative;
  cursor: pointer;
  font-family: 'Montserrat-Bold';
}
.video .hd .on {
  color: #004bfa;
}
.video .hd .on::after {
  content: '';
  height: 2px;
  background-color: #004bfa;
  position: absolute;
  width: 100%;
  right: 0;
  bottom: 6px;
  z-index: 999;
}
.video .bd ul {
  margin: 0;
  padding: 0;
}
.video_hotul {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.video .video_hotul dd {
  background-color: #fff;
  border-radius: 24px;
  overflow: hidden;
}
.video_hotul .htit .htit2 {
  font-family: 'Montserrat-Regular';
  color: #9e9e9f;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.video_hotul .htit .htit1 {
  font-family: 'Montserrat-Regular';
  color: #000;
}
.button {
  background-color: #f2f2f2;
}
@media screen and (min-width: 1440px) {
  .banner_title {
    font-size: 56px;
  }
  .contact_c {
    width: 1366px;
    margin: auto;
  }
  .search_all {
    width: 100%;
    padding: 64px;
    font-size: 16px;
    margin-top: -96px;
  }
  .search_all input {
    padding: 23px 32px;
    width: 100%;
  }
  .searchbtn {
    top: 50%;
    margin-top: -12px;
    right: 96px;
  }
  .tab {
    margin-top: 64px;
  }
  .tab .list {
    width: 440px;
    font-size: 18px;
    padding-top: 25px;
    padding-bottom: 25px;
    font-family: 'Montserrat-Bold';
  }
  .on::after {
    width: 12px;
    height: 12px;
    margin-bottom: -6px;
    margin-left: -8px;
  }
  .software,
  .manual,
  .video {
    margin-top: 32px;
  }
  .software .list {
    padding: 80px 64px;
    margin-bottom: 24px;
  }
  .software .list .left_img {
    width: 320px;
    height: 320px;
    margin-right: 64px;
  }
  .software .list .left_img img {
    width: 320px;
    height: 320px;
    border-radius: 12px;
    overflow: hidden;
  }
  .software .list .title,
  .manual .list .title {
    font-size: 18px;
  }
  .software .list .sub_title,
  .manual .list .sub_title {
    font-size: 14px;
    margin-top: 14px;
  }
  .software .list .des,
  .manual .list .des {
    line-height: 20px;
    margin-top: 8px;
    font-size: 16px;
  }
  .software .l_button {
    border-radius: 28px;
    padding: 15px 40px;
    margin-top: 74px;
    display: inline-block;
  }
  .manual .list {
    padding: 80px;
    margin-bottom: 24px;
  }
  .manual .list .left_img {
    width: 140px;
    height: 140px;
    margin-right: 40px;
  }
  .manual .list .left_img img {
    width: 140px;
    height: 140px;
  }
  .manual .l_button {
    border-radius: 28px;
    padding: 15px 40px;
    margin-top: 24px;
    display: inline-block;
  }
  .manual .m-t-24 {
    margin-top: 24px;
  }
  .video ul {
    padding-left: 40px;
    padding-right: 40px;
  }
  .video .hd li {
    margin-right: 80px;
    padding-top: 20px;
    padding-bottom: 20px;
    font-size: 16px;
  }
  .video .bd {
    margin-top: 24px;
  }
  .video .video_hotul dd {
    margin-right: 24px;
    width: 671px;
    margin-bottom: 34px;
  }
  .video dd:nth-child(2n) {
    margin-right: 0;
  }
  .video_hotul .htit {
    padding-left: 56px;
    padding-right: 56px;
    height: 114px;
  }
  .video_hotul .htit .htit1 {
    font-size: 16px;
    margin-top: 40px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .video_hotul .htit .htit2 {
    font-size: 14px;
    margin-top: 16px;
    line-height: 20px;
  }
  .video .height_130 {
    height: 96px;
    overflow: hidden;
  }
}
@media screen and (max-width: 1439px) {
  .banner_title {
    font-size: 48px;
  }
  .contact_c {
    width: 92%;
    margin: auto;
  }
  .search_all {
    width: 100%;
    padding: 4.44vw;
    font-size: 14px;
    margin-top: -6.66vw;
  }
  .search_all input {
    padding: 1.6vw 2.22vw;
    width: 100%;
  }
  .searchbtn {
    top: 50%;
    margin-top: -9px;
    right: 6.66vw;
    width: 18px;
    height: 18px;
  }
  .tab {
    margin-top: 4.44vw;
  }
  .tab .list {
    width: 29vw;
    font-size: 16px;
    padding-top: 1.74vw;
    padding-bottom: 1.74vw;
    font-family: 'Montserrat-Bold';
  }
  .on::after {
    width: 12px;
    height: 12px;
    margin-bottom: -6px;
    margin-left: -8px;
  }
  .software,
  .manual,
  .video {
    margin-top: 24px;
  }
  .software .list {
    padding: 4.44vw;
    margin-bottom: 24px;
  }
  .software .list .left_img {
    width: 22.22vw;
    height: 22.22vw;
    margin-right: 4.44vw;
  }
  .software .list .left_img img {
    width: 22.22vw;
    height: 22.22vw;
    border-radius: 12px;
    overflow: hidden;
  }
  .software .list .title,
  .manual .list .title {
    font-size: 16px;
  }
  .software .list .sub_title,
  .manual .list .sub_title {
    font-size: 12px;
    margin-top: 14px;
  }
  .software .list .des,
  .manual .list .des {
    line-height: 20px;
    margin-top: 4px;
    font-size: 14px;
  }
  .software .l_button {
    border-radius: 28px;
    padding: 8px 36px;
    margin-top: 3vw;
    display: inline-block;
  }
  .manual .list {
    padding: 5.55vw;
    margin-bottom: 24px;
  }
  .manual .list .left_img {
    width: 140px;
    height: 140px;
    margin-right: 40px;
  }
  .manual .list .left_img img {
    width: 140px;
    height: 140px;
  }
  .manual .l_button {
    border-radius: 28px;
    padding: 8px 36px;
    margin-top: 18px;
    display: inline-block;
  }
  .manual .m-t-24 {
    margin-top: 18px;
  }
  .video ul {
    padding-left: 24px;
    padding-right: 24px;
  }
  .video .hd li {
    margin-right: 4vw;
    padding-top: 1.73vw;
    padding-bottom: 1.73vw;
    font-size: 14px;
  }
  .video .bd {
    margin-top: 24px;
  }
  .video .video_hotul dd {
    margin-right: 1.67vw;
    width: 45.1vw;
    margin-bottom: 24px;
  }
  .video dd:nth-child(2n) {
    margin-right: 0;
  }
  .video_hotul .htit {
    padding-left: 3.89vw;
    padding-right: 3.89vw;
    height: 100px;
  }
  .video_hotul .htit .htit1 {
    font-size: 14px;
    margin-top: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .video_hotul .htit .htit2 {
    font-size: 12px;
    margin-top: 12px;
    line-height: 20px;
  }
  .video .height_130 {
    height: 6.67vw;
    overflow: hidden;
  }
}

/*video*/