.swiper-slide .columns {
	position: absolute;top: 25%;left: 25%;
}
.swiper-slide .columns h1 {color: #fff;}
.swiper-slide .columns .c-body {color: #fff;}
  .a-banner{display: block;}
  .b-banner{display: none;}
.btn-attention{background: #231815 !important;
    color: #ffffff !important;
    border: 2px solid #231815 !important;
    border-radius: 6px !important;
    text-align: center !important;
    cursor: pointer !important;
    padding: 0.6em !important;
    transition: all 0.2s !important;}
.btn-primary{background: #0d5b80 !important;
    color: #ffffff !important;
    border: 2px solid #0d5b80 !important;
    border-radius: 6px !important;
    line-height: 1.8 !important;
    text-decoration: none !important;
    padding: 0.7em !important;
    transition: all 0.2s !important;}
    
  .syt_n01 {
    height: 80px;
    margin-top: 48px;
    background-position: 50% 0;
}
/*--cooperative client start--*/
.carousel-container {
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }
    .carousel-title {
      font-size: clamp(1.5rem, 3vw, 2rem);
      color: #009688;
      margin-bottom: 10px;
    }
    .carousel-subtitle {
      color: #999;
      font-size: clamp(0.8rem, 1.5vw, 1rem);
      margin-bottom: 30px;
      position: relative;
    }
    .carousel-subtitle::before,
    .carousel-subtitle::after {
      content: "";
      position: absolute;
      top: 50%;
      width: 30%;
      height: 1px;
      background-color: #ddd;
    }
    .carousel-subtitle::before {
      left: 0;
    }
    .carousel-subtitle::after {
      right: 0;
    }
    .carousel-wrapper {
      position: relative;
      overflow: hidden;
    }
    .carousel-slide {
      display: flex;
      transition: transform 0.5s ease;
    }
    .carousel-item {
      flex: 0 0 25%; /* 桌面端4个 */
      min-width: 0;
      padding: 10px;
    }
    @media (max-width: 768px) {
      .carousel-item {
        flex: 0 0 50%; /* 平板端2个 */
      }
    }
    @media (max-width: 480px) {
      .carousel-item {
        flex: 0 0 100%; /* 手机端1个 */
      }
    }
    .client-card {
      border: 1px solid #eee;
      padding: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 120px;
    }
    .client-card img {
    width:100%;
      max-width: 100%;
      max-height: 110px;
      object-fit: contain;
    }
    .carousel-btn {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 40px;
      height: 40px;
      background-color: rgba(0, 150, 136, 0.8);
      color: #fff;
      border: none;
      cursor: pointer;
      font-size: 1.2rem;
      z-index: 10;
    }
    .prev-btn {
      left: 0;
    }
    .next-btn {
      right: 0;
    }

    .bdimg{width:100%;}
    
    
    
    
@media screen and (max-width: 640px) {
  .a-banner{display: none;}
  .b-banner{display: block;}
  .swiper-slide .columns {top: 20%;left: 5%;}
}