/* 首页视频背景模块 video-background2 */
.video-background2 {
  width: 100%;
  max-width: 1920px;
  height: 700px;
  overflow: hidden;
  line-height: 0;
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
}
.video-background2 video {
  height: 700px;
  z-index: 1;
}
.videotext {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: url("/skin/images1/h-v-bg1.png") left no-repeat;
}
.videotlist {
  width: 900px;
  left: 0;
  position: absolute;
}
.videot1 {
  width: 80%;
  text-align: left;
  height: auto;
  font-size: 55px;
  color: #fff;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 25px;
  margin-left: 150px;
}
.videot2 {
  width: 80%;
  text-align: left;
  height: auto;
  font-size: 18px;
  color: #fff;
  font-weight: 400;
  line-height: 1.9;
  margin-top: 20px;
  letter-spacing: 1px;
  margin-left: 150px;
}
.videot3 {
  width: 80%;
  text-align: left;
  height: auto;
  display: flex;
  margin-left: 150px;
  margin-top: 60px;
}

/* 视频区两个按钮 vdanl / vdanla */
.vdanl {
  width: 110px;
  height: 30px;
  background: linear-gradient(to right, #fff, #fff);
  font-size: 15px;
  color: #111;
  line-height: 30px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  border-radius: 5px;
}
.vdanl:hover {
  background: linear-gradient(to right, #086fb2, #3699da);
  color: #fff;
}
.vdanla {
  width: 110px;
  height: 30px;
  font-size: 15px;
  line-height: 30px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  border-radius: 5px;
  background: linear-gradient(to right, #086fb2, #3699da);
  color: #fff;
}
.vdanla:hover {
  background: linear-gradient(to right, #fff, #fff);
  color: #111;
}

/* 联系图文卡片模块 contact_1 */
.contact_1 {
  width: 100%;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  overflow: hidden;
}
.contact_1_1x {
  width: 100%;
  max-width: 1580px;
  height: auto;
  margin: 25px 0 0;
  overflow: hidden;
  padding: 0;
  display: flex;
  justify-content: space-around;
}
.contact_1_tab {
  width: 100%;
  max-width: 1580px;
  height: auto;
  margin: 80px 0 60px;
  overflow: hidden;
  padding: 0;
  display: flex;
  justify-content: space-around;
}
.contact_1_1_2 {
  position: relative;
  width: 31.5%;
  overflow: hidden;
  line-height: 0;
  margin-top: 5px;
  margin-bottom: 15px;
  border-radius: 7px;
}
.contact_1_1_2 img {
  width: 100%;
  object-fit: cover;
  transition: all 0.3s ease;
}
.contact_1_1_2:hover img {
  transform: scale(1.06);
}
.contact_1_1_3 {
  z-index: 15;
  left: 0;
  bottom: 0;
  position: absolute;
  width: 100%;
  height: 50px;
  overflow: hidden;
  font-size: 19px;
  line-height: 50px;
  text-align: center;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* 标题样式 hbta1 hbta2 */
.hbta1 {
  color: #111;
  font-size: 36px;
  line-height: 1.5;
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}
.hbta2 {
  color: #333;
  font-size: 18px;
  line-height: 2;
  text-align: center;
  margin-bottom: 40px;
}

/* 实力列表 */
.strength-list li {
  overflow: hidden;
}
.strength-list li img {
  width: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}
.strength-list li:hover img {
  transform: scale(1.05);
}

/* 选项卡组件 tab */
.tab-container {
  width: 100%;
  margin: 0;
  display: flex;
  justify-content: space-around;
}
.tab-nav {
  width: 20%;
  margin-left: 0;
  margin-top: 0;
}
.tab-nav-item {
  color: #111;
  padding: 10px 10px;
  margin: 0 0 8px;
  background: #efefef;
  cursor: pointer;
  border-radius: 3px;
  font-size: 16px;
}
.tab-nav-item:hover {
  background: #f3f3f3;
}
.tab-nav-item.active {
  background: linear-gradient(to right, #086fb2, #3699da);
  color: white;
}
.tab-content {
  width: 76%;
  margin-left: 0;
  min-height: 300px;
  background-color: #FFFFFF;
}
.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
}

/* 两列图片列表 fl2list */
.fl2list_i {
  width: 100%;
  overflow: hidden;
  background: #efefef;
  display: flex;
  justify-content: space-evenly;
}
.fl2list {
  width: 24%;
  font-size: 13px;
  margin: 10px 0;
  line-height: 0;
  border: solid 2px #efefef;
  aspect-ratio: 3/4;
  overflow: hidden;
}
.fl2list img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: all 0.3s ease;
  transform: scale(1);
}
.fl2list img:hover {
  transform: scale(1.05);
}
.fl2list:hover {
  border: solid 2px #0069ac;
}
.fl2list_t {
  width: 100%;
  overflow: hidden;
  padding: 30px;
  background: #efefef;
  margin-top: 10px;
  font-size: 16px;
  line-height: 1.6;
  color: #111;
}

/* 多swiper轮播容器 */
.carousel-wrapper {
  display: flex;
  gap: 30px;
  margin: 50px auto;
  flex-wrap: wrap;
}
.carousel-item {
  flex: 1;
  min-width: 280px;
}
.swiper {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}
.swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  line-height: 0;
}
/* 三个渐变底色 */
.swiper-slide.blue {
  background: linear-gradient(135deg, #fff 0%, #fff 100%);
}
.swiper-slide.green {
  background: linear-gradient(135deg, #fff 0%, #fff 100%);
}
.swiper-slide.orange {
  background: linear-gradient(135deg, #fff 0%, #fff 100%);
}
.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.carousel-title {
  text-align: center;
  font-size: 16px;
  color: #333;
  margin-bottom: 15px;
  font-weight: 500;
}

/* swiper分页圆点 */
.swiper-pagination-bullet {
  background: rgba(255, 255, 255, 0.6);
}
.swiper-pagination-bullet-active {
  background: #fff;
}

/* 左右箭头hover显示 */
.swiper-button-prev,
.swiper-button-next {
  width: 36px;
  height: 36px;
  font-size: 18px;
  color: #fff;
  font-weight: bold;
  text-shadow: 0px 0px 3px rgba(0, 0, 0, 0.25);
  border-radius: 50%;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.swiper:hover .swiper-button-prev,
.swiper:hover .swiper-button-next {
  opacity: 1;
  visibility: visible;
}
.swiper-button-prev::after,
.swiper-button-next::after {
  display: none;
}

/* 备用文本样式 */
.videot4 {
  position: relative;
  width: 100%;
  height: 100%;
}
.hbt1 {
  color: #111;
  font-size: 30px;
  line-height: 1.5;
}
.hbt2 {
  color: #333;
  font-size: 16px;
  line-height: 2;
}
    .hbta2_1 {
        display: none;
  }

/* 移动端适配 768px */
@media screen and (max-width: 768px) {
  .video-background2 {
    margin-top: 54px;
    position: relative;
    width: 100%;
    height: auto;
    overflow: hidden;
  }
  .videotlist {
    width: 100%;
    left: 0;
    position: absolute;
  }
  .videot1 {
    width: 90%;
    text-align: left;
    height: auto;
    font-size: 30px;
    color: #fff;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 10px;
    margin-left: 5%;
  }
  .videot2 {
    width: 90%;
    text-align: left;
    height: auto;
    font-size: 18px;
    color: #fff;
    font-weight: 400;
    line-height: 1.6;
    margin-top: 10px;
    letter-spacing: 1px;
    margin-left: 5%;
  }
  .videot3 {
    width: 90%;
    text-align: left;
    height: auto;
    display: flex;
    margin-left: 5%;
    margin-top: 20px;
  }
  
  .video-background2 video {
    height: auto;
    width: 150%;
  }

  .carousel-wrapper {
    gap: 20px;
  }
  .carousel-item {
    min-width: 100%;
  }
  .swiper-slide {
    aspect-ratio: 16 / 9;
  }

  .contact_1_1x {
    flex-direction: column;
    margin-top: 15px;
  }
  .contact_1_1_2 {
    position: relative;
    width: 90%;
    overflow: hidden;
    line-height: 0;
    margin-top: 5px;
    margin-left: 5%;
    margin-bottom: 15px;
  }

  .tab-container {
    width: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
  }
  .tab-nav {
    width: 90%;
    margin-left: 5%;
    margin-top: 0;
  }
  .tab-content {
    width: 90%;
    margin-left: 5%;
    min-height: 300px;
    background-color: #FFFFFF;
  }

  .fl2list {
    width: 48%;
  }
  .fl2list_i {
    width: 100%;
    overflow: hidden;
    background: #efefef;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .fl2list_t {
    padding: 30px;
    margin-top: 10px;
    font-size: 16px;
    color: #111;
  }
  .videotext {
    background: linear-gradient(to right, rgba(3,32,93,0.9), rgba(3,32,93,0.6), rgba(24,8,25,0.0));
  }
.hbta1 {
    color: #111;
    font-size: 20px;
    line-height: 1.5;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}
  .hbta2 {
      display: none;
    color: #333;
    font-size: 11px;
    line-height: 2;
    margin-bottom: 10px;
  }
    .hbta2_1 {
        display: block;
    color: #333;
    font-size: 11px;
    line-height: 2;
    margin-bottom: 10px;
    text-align: left;
  }
  .contact_1_tab {
    margin: 20px 0 20px;
}
  
  
}