
    /* CSS cho trang kèo nhà cái5 */
    .page-keonhacai5 {
      font-family: 'Arial', sans-serif;
      color: #333; /* Đảm bảo độ tương phản */
      background-color: #f8f9fa;
      line-height: 1.6;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    .page-keonhacai5 .page-section {
      padding: 20px 15px;
      margin-bottom: 20px;
      background-color: #ffffff;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }

    .page-keonhacai5 .page-section:nth-child(odd) {
      background-color: #f0f2f5;
    }

    .page-keonhacai5 .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-keonhacai5 h1, .page-keonhacai5 h2, .page-keonhacai5 h3 {
      color: #d9534f; /* Màu đỏ nổi bật cho tiêu đề */
      text-align: center;
      margin-bottom: 25px;
      font-weight: bold;
    }

    .page-keonhacai5 h1 {
      font-size: 2.5em;
      padding-top: 20px; /* Thêm khoảng trống cho banner */
    }

    .page-keonhacai5 h2 {
      font-size: 2em;
      border-bottom: 2px solid #eee;
      padding-bottom: 10px;
      margin-top: 30px;
    }

    .page-keonhacai5 h3 {
      font-size: 1.5em;
      color: #5cb85c; /* Màu xanh lá cây */
    }

    .page-keonhacai5 p {
      margin-bottom: 15px;
      text-align: justify;
    }

    .page-keonhacai5 .page-banner {
      width: 100%;
      height: 200px; /* Đảm bảo vùng an toàn 140-180px cho banner */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #2c3e50; /* Màu nền cho banner */
      margin-bottom: 30px;
      position: relative;
    }

    .page-keonhacai5 .page-banner img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-keonhacai5 .page-banner-text {
      position: absolute;
      bottom: 20px;
      color: white;
      font-size: 1.8em;
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
      text-align: center;
      width: 90%;
    }

    /* Nút nổi đăng nhập/đăng ký */
    .page-keonhacai5 .page-floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .page-keonhacai5 .page-floating-buttons .page-btn {
      display: block;
      padding: 12px 20px;
      border-radius: 50px;
      text-align: center;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    }

    .page-keonhacai5 .page-btn-login {
      background-color: #ffc107; /* Màu vàng nổi bật */
      color: #333;
    }
    .page-keonhacai5 .page-btn-login:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    .page-keonhacai5 .page-btn-register {
      background-color: #28a745; /* Màu xanh lá cây */
      color: white;
    }
    .page-keonhacai5 .page-btn-register:hover {
      background-color: #218838;
      transform: translateY(-2px);
    }

    /* Lưới sản phẩm/trò chơi */
    .page-keonhacai5 .page-game-grid,
    .page-keonhacai5 .page-provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 20px;
      justify-content: center; /* Căn giữa các mục */
    }

    .page-keonhacai5 .page-game-item,
    .page-keonhacai5 .page-provider-item {
      text-align: center;
      background-color: #fff;
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.08);
      transition: transform 0.2s ease;
    }

    .page-keonhacai5 .page-game-item:hover,
    .page-keonhacai5 .page-provider-item:hover {
      transform: translateY(-5px);
    }

    .page-keonhacai5 .page-game-item img {
      width: 100px;
      height: 100px;
      object-fit: contain;
      margin-bottom: 10px;
      border-radius: 4px;
    }
    .page-keonhacai5 .page-provider-item img {
        width: 80px; /* Kích thước logo nhà cung cấp */
        height: 80px;
        object-fit: contain;
        margin-bottom: 10px;
        border-radius: 4px;
    }

    .page-keonhacai5 .page-game-item h3,
    .page-keonhacai5 .page-provider-item h3 {
      font-size: 1.1em;
      margin-top: 0;
      color: #333;
    }
    .page-keonhacai5 .page-game-item h3 a,
    .page-keonhacai5 .page-provider-item h3 {
      text-decoration: none;
      color: #333;
    }
    .page-keonhacai5 .page-game-item h3 a:hover {
      color: #d9534f;
    }


    .page-keonhacai5 .page-game-item p {
      font-size: 0.9em;
      color: #666;
      text-align: center;
    }

    .page-keonhacai5 .page-list {
      list-style-type: disc;
      padding-left: 20px;
      margin-bottom: 20px;
    }

    .page-keonhacai5 .page-list li {
      margin-bottom: 10px;
      color: #444;
    }
    .page-keonhacai5 .page-list li a {
      color: #d9534f;
      text-decoration: none;
      font-weight: bold;
    }
    .page-keonhacai5 .page-list li a:hover {
      text-decoration: underline;
    }

    .page-keonhacai5 .page-cta {
      text-align: center;
      margin-top: 40px;
      margin-bottom: 30px;
    }

    .page-keonhacai5 .page-cta .page-btn {
      background-color: #007bff;
      color: white;
      padding: 15px 30px;
      font-size: 1.2em;
      border-radius: 5px;
      text-decoration: none;
      transition: background-color 0.3s ease;
    }

    .page-keonhacai5 .page-cta .page-btn:hover {
      background-color: #0056b3;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-keonhacai5 h1 {
        font-size: 2em;
      }
      .page-keonhacai5 h2 {
        font-size: 1.7em;
      }
      .page-keonhacai5 .page-game-grid,
      .page-keonhacai5 .page-provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-keonhacai5 .page-banner {
        height: 180px;
      }
      .page-keonhacai5 .page-banner-text {
        font-size: 1.4em;
      }
      .page-keonhacai5 .page-floating-buttons {
        bottom: 15px;
        right: 0; /* Căn sang 2 bên */
        left: 0;
        width: 100%;
        flex-direction: row; /* Nút nằm ngang trên di động */
        justify-content: space-around;
        padding: 0 15px;
        box-sizing: border-box;
      }
      .page-keonhacai5 .page-floating-buttons .page-btn {
        flex-grow: 1;
        font-size: 1em;
        padding: 10px 15px;
        margin: 0 5px; /* Khoảng cách giữa các nút */
      }
    }

    @media (max-width: 480px) {
      .page-keonhacai5 h1 {
        font-size: 1.8em;
      }
      .page-keonhacai5 h2 {
        font-size: 1.5em;
      }
      .page-keonhacai5 .page-game-grid,
      .page-keonhacai5 .page-provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }
      .page-keonhacai5 .page-banner {
        height: 160px;
      }
      .page-keonhacai5 .page-banner-text {
        font-size: 1.2em;
      }
      .page-keonhacai5 .page-floating-buttons {
        bottom: 10px;
        padding: 0 10px;
      }
      .page-keonhacai5 .page-floating-buttons .page-btn {
        font-size: 0.9em;
        padding: 8px 12px;
      }
    }
  