/* CSS cho trang mm99 */
    .page-mm99 {
      font-family: 'Arial', sans-serif;
      background-color: #1a1a1a; /* Nền tối */
      color: #f0f0f0; /* Chữ sáng */
      line-height: 1.6;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    .page-mm99 .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 15px;
    }

    .page-mm99 .hero-banner {
      width: 100%;
      text-align: center;
      position: relative;
      overflow: hidden;
      margin-bottom: 20px;
    }

    .page-mm99 .hero-banner img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover; /* Đảm bảo hình ảnh bao phủ */
      max-height: 400px; /* Giới hạn chiều cao banner trên desktop */
    }

    .page-mm99 .hero-banner .banner-content {
      position: absolute;
      bottom: 0; /* Đảm bảo nội dung dưới banner */
      left: 50%;
      transform: translateX(-50%);
      width: 100%;
      padding: 20px 15px;
      background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0)); /* Hiệu ứng mờ dần */
      color: #f0f0f0;
      text-align: center;
    }

    .page-mm99 .hero-banner h1 {
      font-size: 2.2em;
      margin-bottom: 10px;
      color: #e0b000; /* Màu vàng nổi bật */
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-mm99 .hero-banner p {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-mm99 .section {
      padding: 40px 0;
      text-align: center;
    }

    .page-mm99 .section-title {
      font-size: 2em;
      color: #e0b000;
      margin-bottom: 30px;
      position: relative;
      display: inline-block;
    }

    .page-mm99 .section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      bottom: -10px;
      width: 60px;
      height: 3px;
      background-color: #e0b000;
    }

    .page-mm99 .grid-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-mm99 .card {
      background-color: #2a2a2a; /* Nền thẻ hơi sáng hơn */
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      text-align: left;
      transition: transform 0.3s ease;
    }

    .page-mm99 .card:hover {
      transform: translateY(-5px);
    }

    .page-mm99 .card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    .page-mm99 .card-content {
      padding: 20px;
    }

    .page-mm99 .card-content h3 {
      font-size: 1.4em;
      margin-top: 0;
      margin-bottom: 10px;
      color: #e0b000;
    }

    .page-mm99 .card-content p {
      font-size: 0.95em;
      color: #ccc;
    }

    .page-mm99 .card-content a {
      display: inline-block;
      margin-top: 15px;
      padding: 10px 20px;
      background-color: #e0b000;
      color: #1a1a1a;
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-mm99 .card-content a:hover {
      background-color: #f0c000;
    }

    .page-mm99 .floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: space-around;
      padding: 10px 0;
      background-color: rgba(0, 0, 0, 0.85);
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
      z-index: 1000;
    }

    .page-mm99 .floating-buttons .btn {
      flex: 1;
      margin: 0 5px;
      padding: 12px 10px;
      background-color: #e0b000;
      color: #1a1a1a;
      text-decoration: none;
      border-radius: 8px;
      font-weight: bold;
      font-size: 1.1em;
      text-align: center;
      transition: background-color 0.3s ease;
      white-space: nowrap; /* Ngăn nút xuống dòng */
      overflow: hidden;
      text-overflow: ellipsis; /* Thêm dấu ba chấm nếu quá dài */
    }

    .page-mm99 .floating-buttons .btn:hover {
      background-color: #f0c000;
    }

    .page-mm99 .highlight-text {
      color: #e0b000;
      font-weight: bold;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-mm99 .hero-banner h1 {
        font-size: 1.8em;
      }

      .page-mm99 .hero-banner p {
        font-size: 1em;
      }

      .page-mm99 .section-title {
        font-size: 1.8em;
      }

      .page-mm99 .grid-container {
        grid-template-columns: 1fr; /* Một cột trên di động */
      }

      .page-mm99 .floating-buttons .btn {
        font-size: 1em;
        padding: 10px 8px;
      }
    }

    @media (max-width: 480px) {
      .page-mm99 .hero-banner h1 {
        font-size: 1.5em;
      }

      .page-mm99 .hero-banner p {
        font-size: 0.9em;
      }

      .page-mm99 .section-title {
        font-size: 1.5em;
      }

      .page-mm99 .floating-buttons .btn {
        font-size: 0.9em;
        padding: 8px 5px;
      }
    }