.hero-section {
      margin-top: 80px;
      position: relative;
      overflow: hidden;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      height: 520px;
  }

  .slideshow-container {
      position: relative;
      height: 100%;
  }

  .slide {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      opacity: 0;
      transition: opacity 1s ease-in-out;
      display: flex;
      align-items: center;
      padding: 0 60px;
      color: white;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
  }

  /* 暗色遮罩，保证文字可读性 */
  .slide::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(0, 0, 0, 0.35);
      z-index: 1;
      pointer-events: none;
  }

  /* 装饰圆圈 — 右上角 */
  .slide::after {
      content: "";
      position: absolute;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.06);
      top: -80px;
      right: -60px;
      z-index: 0;
      pointer-events: none;
  }

  .slide.active {
      opacity: 1;
  }

  .slide-content {
      position: relative;
      z-index: 2;
  }

  .slide-content h2 {
      font-size: 42px;
      margin-bottom: 15px;
      text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  }

  .slide-content p {
      font-size: 18px;
      margin-bottom: 20px;
      max-width: 600px;
      line-height: 1.6;
      text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  }

  .slide-content .btn {
      position: relative;
      z-index: 2;
  }

  .slide-controls {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      z-index: 3;
  }

  .slide-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background-color: rgba(255, 255, 255, 0.5);
      margin: 0 8px;
      cursor: pointer;
      transition: background-color 0.3s;
  }

  .slide-dot.active {
      background-color: white;
  }