.naigu-container {
    width: 90%;
    margin: 0 auto;
    padding: 50px 0;
    font-family: 'Open Sans', sans-serif;
    box-sizing: border-box;
  }

  .naigu-title-section {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 40px;
    position: relative;
  }

  .naigu-title-section::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: #d80c18;
    margin: 12px auto 0;
    border-radius: 2px;
  }

  .naigu-slider-wrapper {
    position: relative;
  }

  .naigu-slider {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 10px 0;
  }

  .naigu-slider::-webkit-scrollbar {
    display: none;
  }

  .naigu-card {
    flex: 0 0 auto;
    width: 240px;
    scroll-snap-align: start;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
    padding: 10px;
    box-sizing: border-box;
    text-align: center;
    transition: transform 0.3s;
  }

  .naigu-card:hover {
    transform: translateY(-5px);
  }

  .naigu-card iframe {
    width: 100%;
    aspect-ratio: 9 / 16;
    max-height: 500px;
    border: none;
    border-radius: 10px;
    object-fit: cover;
  }

  .naigu-title {
    font-size: 14px;
    color: #333;
    margin-top: 10px;
    line-height: 1.5;
    max-height: 3.2em;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .naigu-more-card {
    flex: 0 0 auto;
    width: 240px;
    height: 430px;
    scroll-snap-align: start;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed #d80c18;
    border-radius: 12px;
    color: #d80c18;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    box-sizing: border-box;
    padding: 20px;
    text-align: center;
    transition: background 0.3s, transform 0.3s;
  }

  .naigu-more-card:hover {
    background: #fdf0f0;
    transform: translateY(-4px);
  }

  .naigu-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #d80c18;
    color: white;
    border: none;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    cursor: pointer;
    font-size: 18px;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: background 0.3s;
  }

  .naigu-nav:hover {
    background: #444;
  }

  .naigu-nav.left {
    left: -18px;
  }

  .naigu-nav.right {
    right: -18px;
  }

  @media (max-width: 768px) {
    .naigu-title-section {
      font-size: 24px;
    }

    .naigu-card, .naigu-more-card {
      width: 75vw;
      height: auto;
    }

    .naigu-card iframe {
      max-height: none;
    }

    .naigu-nav {
      display: none;
    }
  }