/* === Hero Banner === */
    .hero-banner {
      position: relative;
      width: 100%;
      height: 400px;
      overflow: hidden;
      background-image: url('https://images.pexels.com/photos/10059833/pexels-photo-10059833.jpeg?auto=compress&cs=tinysrgb&w=1600&h=800');
      background-size: cover;
      background-position: center;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: white;
      padding: 20px;
    }

    .hero-banner::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.4);
      z-index: 1;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 20px;
      z-index: 2;
      line-height: 1.2;
    }

    .hero-desc {
      font-size: 1.2rem;
      max-width: 800px;
      z-index: 2;
      line-height: 1.6;
    }

    /* === 移动端：隐藏面包屑 === */
    @media (max-width: 767px) {
      
      .hero-banner {
        height: 300px;
      }
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-desc {
        font-size: 1rem;
      }
    }