.main{
    margin-top: 10rem;
   }
   /* 标题区域 */
    .section-header {
      padding: 3rem 0 2rem;
      border-bottom: 1px solid #D6D6D6;
      margin-bottom: 3rem;
    }
    .section-subtitle {
      color: #ff2b0f;
      font-size: 0.9rem;
      margin-bottom: 0.5rem;
    }
    .section-title {
      font-size: 2.5rem;
      font-weight: 700;
      margin: 0;
    }

    /* 产业卡片 */
    .industry-card {
      position: relative;
      border-radius: 16px;
      overflow: hidden;
      margin-bottom: 1.5rem;
      /* 动画初始状态 */
      opacity: 0;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .industry-card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
    }
    .industry-card-label {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: #fff;
      font-size: 1.5rem;
      font-weight: 600;
      text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    }
    /* 卡片hover效果 */
    .industry-card:hover {
      transform: translateY(-5px) scale(1.1) !important;
      box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    }

      /* PC端：2列布局 */
    @media (min-width: 992px) {
      
    }

    /* 平板端：2列布局 */
    @media (max-width: 991px) and (min-width: 768px) {
     
    }

    /* 手机端：1列布局 */
    @media (max-width: 767px) {
      .section-subtitle,.section-title{
        text-align: center;
      }
    }