.hderBanner {
  width: 100%;
  height: 40rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-size: 100% 100%;
  background-repeat: no-repeat;
}
.hderBanner span:first-child {
  color: white;
  font-size: 5rem;
}
.hderBanner span:last-child {
  display: block;
  color: white;
  width: 61rem;
  font-size: 2rem;
  text-align: center;
}
/* 公司亮点 */
.grid-container {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* 适应不同尺寸 */
   gap: 20px; /* 项目间距 */
   padding: 20px; /* 添加内边距 */
   background-color: #f4f4f4; /* 背景颜色 */
}

.icon {
    font-size: 60px; /* 增大图标大小 */
    margin-bottom: 10px;
}

.grid-item {
   background: white; /* 背景颜色 */
   border-radius: 10px; /* 圆角 */
   box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 阴影效果 */
   padding: 15px; /* 内边距 */
   transition: transform 0.2s, box-shadow 0.2s; /* 动画 */
   display: flex;
   flex-direction: column;
   align-items: center;
   text-align: center;
}
/* 公司亮点 */
.mdBanner {
  width: 120rem;
  /*height: 41.9rem;*/
  height:50.9rem;
  margin-top: 15rem;
  margin-bottom: 8rem;
  display: flex;
}
.mdBannerLeft {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-right: 80px;
  margin-bottom:25px;
}
.mdBannerLeftTitle {
  line-height: 7.4rem;
  margin-bottom: 3.2rem;
  font-size: 3.4rem;
  font-weight: 600;
  position: relative;
}

.mdBannerLeftTitle::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 5rem;
  height: 2px;
  background-color: #d60110;
}

.mdBannerLeftText {
  font-size: 1.5rem;
  font-weight: 300;
}

.mdBannerRight {
  flex: 1;
}
.mdBannerRight img {
  width: 100%;
  border-radius: 10px; /* 圆角 */
}
.introduce {
  width: 800px;
  text-align: center;
  margin-top: 5.5rem;
  margin-bottom: 6.5rem;
}

.introduceTitle {
  line-height: 8rem;
  font-size: 3.2rem;
  font-weight: 600;
  margin-bottom: 2rem;
  position: relative;
}

.introduceTitle::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 5rem;
  height: 2px;
  background-color: #d60110;
}

.introduceTarget {
  font-size: 1.6rem;
  font-weight: 300;
}

.introduceBottom {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  text-align: center;
}
.introduceContent {
  width: 50%;
  margin-top: 3.2rem;
}
.introduceMainNum {
  font-size: 4.6rem;
  line-height: 8rem;
  position: relative;
}

.introduceMainNum::after {
  position: absolute;
  content: '+';
  right: 126px;
  top: -12px;
  font-size: 3rem;
}
.introduceMainTitle {
  font-weight: 200;
  font-size: 2rem;
  width: 70%;
  margin: 0 auto;
}

.aboutImgCard {
    display: flex;
    width: 100%; /* 全宽 */
    margin: 0 auto;
}

.aboutCardLeft,
.aboutCardRight {
  flex: 1;
  position: relative;
}

.aboutCardLeft {
  margin-right: 20px;
}
.aboutCardLeft img {
  width: 100%;
  height: 40rem;
}
.aboutCardLeftTitle {
  position: absolute;
  padding: 0 2.8rem;
  bottom: 0;
  left: 0;
}
.aboutCardLeftTitle1 {
  font-size: 2.4rem;
  color: #fff;
  line-height: 5.4rem;
}
.aboutCardLeftText {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 1.8rem;
}

.aboutCardRight {
  display: flex;
  flex-direction: column;
}
.aboutCardRightTop {
  flex: 1;
  margin-bottom: 20px;
  display: flex;
}

.aboutCardRightTop1 {
  flex: 1;
  position: relative;
}

.aboutCardRightTop1 img {
  width: 100%;
  height: 100%;
}

.aboutCardRightTop1:first-child {
  margin-right: 20px;
}

.aboutCardRightBottom {
  flex: 1;
  position: relative;
}

.aboutCardRightTitle {
  position: absolute;
  line-height: 6rem;
  padding-left: 2.5rem;
  bottom: 0;
  left: 0;
  color: #fff;
  font-size: 2.4rem;
}

.aboutCardRight .aboutCardRightBottom img {
  width: 100%;
  height: 190px;
}

.aboutIndexImgList {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
}

.aboutIndexListCard {
  width: calc(25% - 24px);
  margin-right: 32px;
  margin-bottom: 32px;
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  text-align: center;
  padding: 3.4rem 0 4rem;
}
.aboutIndexListCard img {
  height: 23rem;
}
.aboutIndexListTitle {
  line-height: 4.6rem;
  margin-top: 2.7rem;
  font-size: 2.4rem;
  position: relative;
}

.aboutIndexListTitle::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 3.2rem;
  height: 1px;
  background-color: #000;
}

.aboutIndexListCard:nth-child(4n) {
  margin-right: 0;
}

.patentMargin {
  margin-top: 7.7rem;
  margin-bottom: 4.8rem;
}

.factoryMargin {
  margin-top: 4.2rem;
  margin-bottom: 4rem;
}

.swiperYearList {
  height: 64rem;
  width: 100%;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  position: relative;
}

.swiperYearListTitle {
  text-align: center;
  position: absolute;
  height: 14rem;
  font-size: 3.2rem;
  line-height: 14rem;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 600;
}

.swiperYearList::after {
  position: absolute;
  content: '';
  top: 11.2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 5rem;
  height: 2px;
  background-color: #d60110;
}

.supportDefault {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  height: 100%;
}
.defaultTitle {
  width: 12rem;
  text-align: end;
  border-right: 1px solid #dcdcdc;
  padding-top: 14rem;
}
.defaultContent {
  flex: 1;
}

.pagination {
  flex-direction: column;
}

.page-link {
  font-size: 2rem;
  border: none;
  background-color: transparent;
  color: #a1a1a1;
  margin: 0.4rem 0;
  padding-right: 3rem;
  line-height: 3.5rem;
  font-weight: 200;
}

.page-item.active .page-link {
  color: #d60110;
  font-size: 2.4rem;
  background-color: transparent;
  position: relative;
}

.page-item.active .page-link::after {
  position: absolute;
  content: '';
  right: -1px;
  top: 50%;
  transform: translateY(-50%);
  height: 3.5rem;
  width: 2px;
  background-color: #d60110;
}

.page-link:hover {
  color: #a1a1a1;
  background-color: transparent;
}

.page-link:focus {
  box-shadow: none;
}

.defaultContent .tab-pane .swiperYearListLeftCard {
  display: flex;
  padding-top: 14rem;
}

.bigYear {
  width: 20rem;
  font-size: 5.8rem;
  font-weight: 600;
  color: #686868;
}
.swiperYearContent {
  flex: 1;
  font-size: 2rem;
  font-weight: 200;
}
.supportDefault .defaultContent .fade {
  display: none;
}
.supportDefault .defaultContent .active {
  display: block;
}

.Section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* 公司优势 样式 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
    background-color: #f4f4f4;
    border-radius: 10px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 动效样式 */
.grid-item {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s forwards; /* 动画效果 */
}

/* 为每个项目定义动画延迟 */
.grid-item:nth-child(1) { animation-delay: 0.1s; }
.grid-item:nth-child(2) { animation-delay: 0.2s; }
.grid-item:nth-child(3) { animation-delay: 0.3s; }
.grid-item:nth-child(4) { animation-delay: 0.4s; }

/* 悬停效果 */
.grid-item:hover {
    transform: translateY(-5px); /* 悬停时稍微上移 */
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2); /* 添加阴影效果 */
}

/* 动画关键帧 */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.icon {
    font-size: 40px;
    margin-bottom: 10px;
}

h3 {
    margin: 10px 0 5px 0;
    color: #333;
}

p {
    line-height: 1.5;
    color: #666;
}



/* 公司证书 */
.kche-wrap-width {
    max-width: 1400px; /* 最大宽度 */
    margin: 0 auto; /* 居中对齐 */
    padding: 20px; /* 内边距 */
}

.kche-t164-title {
    text-align: center;
    margin-bottom: 20px; /* 增加标题与内容的间距 */
}

.kche-t164-title h5 {
    font-size: 24px; /* 设置标题字体大小 */
}

.kche-t164-con p {
    font-size: 16px; /* 设置内容字体大小 */
    line-height: 1.5; /* 增加行间距 */
    max-width: 1400px; /* 最大宽度 */
}

/* 证书列表布局 */
.kche-t164-list {
    display: flex; /* 使用弹性布局 */
    flex-wrap: wrap; /* 允许换行 */
    justify-content: center; /* 使子元素在容器中居中 */
    max-width: 100%; /* 最大宽度100% */
    margin: 0 auto; /* 自动左右外边距实现居中 */
    gap: 20px; /* 设置间隙 */
}

/* 单个证书项目 */
.kche-t164-item {
    flex: 0 1 200px; /* 每个项宽200px，允许换行 */
    text-align: center; /* 文本居中 */
    margin-bottom: 20px; /* 项与项之间的垂直间距 */
}

.kche-t164-img img {
    width: 100%; /* 图片宽度100% */
    height: auto; /* 高度自动调整 */
    border-radius: 8px; /* 图片圆角样式 */
}

/* 按钮样式 */
.kche-t164-btn {
    margin-top: 10px; /* 与图片的间距 */
    font-weight: bold; /* 加粗文本 */
}

/* 移动设备优化 */
@media (max-width: 768px) {
    .kche-t164-title h5 {
        font-size: 20px; /* 移动设备标题字体大小 */
    }

    .kche-t164-con p {
        font-size: 14px; /* 移动设备内容字体大小 */
    }

    .kche-t164-item {
        flex: 0 1 calc(50% - 20px); /* 每个项宽度50%减去间距 */
    }
}






@media all and (min-width: 769px) and (max-width: 1280px) {
  .mdBanner {
    width: 720px;
    height: auto;
  }
  .mdBannerLeftText {

    display: -moz-box; /* 使用旧版 Gecko 内核的浏览器（如 Firefox） */
    display: box; /* 使用新版 Flexbox 内核的浏览器 */
    -webkit-line-clamp: 4; /* 设置显示的最大行数 */
    -webkit-box-orient: vertical; /* 设置垂直排列 */
    overflow: hidden; /* 当文本超出容器时进行隐藏 */
    text-overflow: ellipsis; /* 超出部分显示省略号 */
    white-space: normal; /* 允许换行 */
  }
  .introduce {
    width: 720px;
  }
  .supportDefault {
    width: 720px;
  }
  .aboutImgCard {
    width: 720px;
  }
  .aboutCardRight .aboutCardRightBottom img {
    height: 150px;
  }

  .aboutIndexImgList {
    width: 720px;
  }

  .mdBannerLeft {
  margin-right: 10px;
}
}

@media all and (max-width: 768px) {
  .mdBannerLeftText {
   word-break:break-all ;
  }

    .mdBannerLeft {
  margin-right: 0;
}

  .mdBanner {
    width: 100%;
    padding: 0 10px;
    height: auto;
    flex-direction: column;
    margin-top:20px;
    margin-bottom:20px
  }

  .introduce {
    width: 100%;
    padding: 0 10px;
  }

  .supportDefault {
    width: 100%;
    padding: 0 10px;
  }
  .swiperYearListTitle {
    width: 100%;
  }
  .swiperYearContent {
    display: -webkit-box; /* 使用旧版 WebKit 内核的浏览器（如 Safari） */
    display: -moz-box; /* 使用旧版 Gecko 内核的浏览器（如 Firefox） */
    display: box; /* 使用新版 Flexbox 内核的浏览器 */
    -webkit-line-clamp: 14; /* 设置显示的最大行数 */
    -webkit-box-orient: vertical; /* 设置垂直排列 */
    overflow: hidden; /* 当文本超出容器时进行隐藏 */
    text-overflow: ellipsis; /* 超出部分显示省略号 */
    white-space: normal; /* 允许换行 */
  }

  .aboutImgCard {
    width: 100%;
    flex-direction: column;
  }
  .aboutCardLeft {
    margin-right: 0;
  }

  .aboutCardRightTop {
    margin-bottom: 0;
  }

  .aboutCardRightTop1:first-child {
    margin-right: 0;
  }
  .aboutCardRight .aboutCardRightBottom img {
    height: 110px;
  }

  .aboutIndexImgList {
    width: 100%;
    padding: 0 10px;
  }

  .aboutIndexListCard {
    width: calc(50% - 5px);
    margin-right: 0;
    margin-bottom: 10px;
  }

  .aboutIndexListCard:nth-child(odd) {
    margin-right: 10px;
  }

  .introduceMainNum::after {
    right: 28%;
  }
}