@charset "UTF-8";

    /* 主要内容区域 */
   
    .rd-banner {
      height: 328px;
      /*background: linear-gradient(135deg, #437FC7, #6DAFFE);*/
      background: #6DAFFE;
      color: white;
      display: flex;
      flex-direction: column;
      align-items: center;
      position: relative;
      z-index:2;
      overflow: hidden;
    }
    .rd-banner::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: #437FC7; /* 左侧背景色 */
      /* 创建多边形路径：左上(0,0) 右上(75%,0) 右下(25%,100%) 左下(0,100%) */
      clip-path: polygon(0 0, 75% 0, 25% 100%, 0 100%);
    }
    
    .banner-pattern {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      opacity: 0.15;
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(255,255,255,0.5) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(255,255,255,0.4) 0%, transparent 25%);
      pointer-events: none;
      z-index:1;
    }
    
    .banner-content {
        position: relative;
        width:85%;
        max-width: 1200px;
        text-align: left;
    }
    
.category-links {
    width:100%;
    background: white;
    padding: 30px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    z-index:10;
}
.category-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
}
.category-item {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px 10px;
    text-align: center;
    transition: all 0.3s;
}
.category-item:hover {
    background: #e9f0ff;
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(67, 127, 199, 0.15);
}
    
    
    /* 数字展示区域 */
    .stats-section {
      background: linear-gradient(135deg, #1a3a5f, #0d2438);
      color: white;
      padding: 30px 0;
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    
    .stat-item {
      text-align: center;
      padding: 20px;
    }
    
    .stat-number {
      font-size: 3rem;
      font-weight: 700;
      color: var(--teal);
      margin-bottom: 0.5rem;
    }
    
    .stat-text {
      font-size: 1.3rem;
      opacity: 0.9;
    }
    
    .divider {
      height: 80px;
      width: 2px;
      background-color: rgba(255,255,255,0.2);
      margin: 0 auto;
    }
    
    /* 轮播图区域 */
    .features-section {
      padding: 100px 0;
      background-color: var(--teal-light);
      position: relative;
    }
    
    .section-title {
      text-align: center;
      margin-bottom: 50px;
      position: relative;
    }
    
    .section-title h2 {
      font-weight: 700;
      color: var(--teal-dark);
      margin-bottom: 10px;
    }
    
    .section-title::after {
      content: '';
      display: block;
      width: 80px;
      height: 4px;
      background: var(--teal);
      border-radius: 2px;
      margin: 15px auto 0;
    }
    .section-title:hover:after {
        width:100%;
    }
    .carousel-container {
      max-width: 1038px;
      margin: 0 auto;
      position: relative;
    }
   
    .feature-carousel {
      background: white;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }
    
    .carousel-item{
       height:auto;
    }
    
    .carousel-content {
      display: flex;
      align-items: center;
      padding:25px;
    }
    
    .feature-img {
      width: 100%;
      height: auto;
      margin-bottom:15px;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    
    .feature-img img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.5s;
    }
    
    .carousel-item.active .feature-img img {
      transform: scale(1.05);
    }
    
    .feature-title {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 5px;
      color: var(--teal-dark);
      position: relative;
      padding-bottom: 15px;
      display: inline-block;
    }
    
    .feature-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 50%;
      height: 4px;
      background: var(--teal);
      border-radius: 2px;
    }
    .feature-title:hover:after{
        width:100%;
    }
    
    .feature-desc {
      color: #555;
      line-height: 1.8rem;
      font-size: 1.1rem;
      height: 3.6rem;
      display: inline-block;
      overflow: hidden;
    }
    
    .carousel-control-prev, .carousel-control-next {
      width: 60px;
      height: 60px;
      background: var(--teal-light);
      border-radius: 50%;
      color: var(--teal-dark);
      top: 50%;
      transform: translateY(-50%);
      opacity: 0.9;
      transition: all 0.3s;
      box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    }
    
    .carousel-control-prev {
      left: -80px;
    }
    
    .carousel-control-next {
      right: -80px;
    }
    
    .carousel-control-prev:hover, .carousel-control-next:hover {
      background: var(--teal);
      color: white;
      opacity: 1;
      transform: translateY(-50%) scale(1.1);
    }
    
    .carousel-indicators {
      bottom: -60px;
    }
    
    .carousel-indicators [data-bs-target] {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background-color: rgba(13, 126, 133, 0.3);
      border: none;
      margin: 0 8px;
    }
    
    .carousel-indicators .active {
      background-color: var(--teal);
      transform: scale(1.2);
    }
    
    /* 图文区域 */
    .content-section {
      padding: 100px 0;
      background-color: var(--teal-light);
    }
    
    .content-block {
      background: white;
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 5px 20px rgba(0,0,0,0.08);
      margin-bottom: 40px;
    }
    
    .content-img {
      height: 350px;
    }
    
    .content-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    
    .content-text {
      padding: 40px;
    }
    
    .content-title {
      font-size: 1.8rem;
      font-weight: 700;
      margin-bottom: 20px;
      color: var(--teal-dark);
    }
    
    .content-desc {
      color: #555;
      line-height: 1.8;
      margin-bottom: 25px;
    }
    
    .btn-more {
      background: var(--teal);
      color: white;
      border: none;
      padding: 12px 30px;
      border-radius: 30px;
      font-weight: 500;
      transition: all 0.3s;
      display: inline-flex;
      align-items: center;
      font-size: 1.1rem;
    }
    
    .btn-more:hover {
      background: var(--teal-dark);
      transform: translateY(-2px);
      box-shadow: 0 5px 15px rgba(13, 126, 133, 0.3);
    }
    
    .btn-more i {
      margin-left: 8px;
      transition: transform 0.3s;
    }
    
    .btn-more:hover i {
      transform: translateX(4px);
    }
    
    
      
@media (max-width: 992px) {
    .nav{
        flex-wrap: nowrap;
    }
    .section-nav {
        top:67px !important;
    }
    .section-nav .nav-item{
        margin:0 5px;
    }
    .section-content {
        flex-direction: column !important;
        gap: 30px;
    }
    .catitem-more{
        display:none;
    }
    .category-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .link-grid {
        grid-template-columns: repeat(3, 1fr)
    }
    
        /* 体外诊断 、 移动端选项卡样式 */
        .desktop-tabs {
          display: none;
        }
        
        .mobile-dropdown-tabs {
          display: block;
        }
}
@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .link-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}