/* 轮播容器 */
    .banner-wrapper {
      position: relative;
      width: 100%;
      overflow: hidden;
    }

    /* 保持1920×680比例的高度计算 */
    .banner-height {
      height: calc(100vw * 680 / 1920);
      max-height: 680px;
      min-height: 280px;
    }

    /* 轮播图片容器 */
    .carousel-track {
      display: flex;
      height: 100%;
      width: 100%;
      transition: transform 0.6s ease;
    }

    /* 单个轮播项 */
    .carousel-item {
      min-width: 100%;
      height: 100%;
      position: relative;
    }

    .carousel-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 文字叠加层 */
    .carousel-caption {
      position: absolute;
      left: 0;
      top: 0;
      right: 0;
      bottom: 0;
      display: flex;
      align-items: center;
      padding: 20px;
    }

    .caption-content {
      color: #fff;
      max-width: 600px;
    }

    .caption-title {
      font-size: clamp(1.5rem, 4vw, 2.5rem);
      font-weight: bold;
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .caption-desc {
      font-size: clamp(1rem, 2vw, 1.2rem);
      margin-bottom: 20px;
      opacity: 0.9;
      line-height: 1.5;
    }

    .caption-btn {
      background-color: #165DFF;
      color: white;
      border: none;
      padding: 10px 20px;
      border-radius: 4px;
      cursor: pointer;
      font-size: 1rem;
      transition: all 0.3s;
    }

    .caption-btn:hover {
      background-color: #0F4CD0;
      transform: scale(1.05);
    }

    /* 导航按钮 */
    .nav-control {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 45px;
      height: 45px;
      background-color: rgba(255,255,255,0.2);
      border: none;
      border-radius: 50%;
      color: white;
      cursor: pointer;
      transition: all 0.3s;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      z-index: 10;
      opacity: 0;
    }

    .banner-wrapper:hover .nav-control {
      opacity: 1;
    }

    .nav-control:hover {
      background-color: rgba(255,255,255,0.4);
    }

    .prev-btn {
      left: 15px;
    }

    .next-btn {
      right: 15px;
    }

    /* 指示器 */
    .indicators {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 8px;
      z-index: 10;
    }

    .indicator {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background-color: white;
      opacity: 0.5;
      border: none;
      cursor: pointer;
      transition: all 0.3s;
    }

    .indicator.active {
      opacity: 1;
      width: 30px;
      border-radius: 6px;
    }

    /* 响应式调整 */
    @media (max-width: 768px) {
      .nav-control {
        width: 36px;
        height: 36px;
        font-size: 16px;
      }
      
      .indicators {
        bottom: 15px;
      }
      
      .caption-content {
        max-width: 80%;
      }
    }