/* CSS cho trang lucky 88 */
    :root {
      --page-lucky88-primary-bg: #1a1a1a;
      --page-lucky88-secondary-bg: #2a2a2a;
      --page-lucky88-text-color: #f0f0f0;
      --page-lucky88-heading-color: #ffffff;
      --page-lucky88-accent-color: #c0392b; /* Darker red for better contrast */
      --page-lucky88-button-text-color: #ffffff;
      --page-lucky88-border-color: #444;
      --page-lucky88-shadow: rgba(0, 0, 0, 0.3);
    }

    .page-lucky88 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-lucky88-primary-bg);
      color: var(--page-lucky88-text-color);
      line-height: 1.6;
      padding-bottom: 80px; /* Đủ chỗ cho nút nổi */
    }

    .page-lucky88-section {
      padding: 20px 15px;
      margin-bottom: 20px;
      background-color: var(--page-lucky88-secondary-bg);
      border-radius: 8px;
      box-shadow: 0 4px 8px var(--page-lucky88-shadow);
    }

    .page-lucky88-section-dark {
      background-color: var(--page-lucky88-primary-bg);
      border: 1px solid var(--page-lucky88-border-color);
    }

    .page-lucky88-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-lucky88-h1, .page-lucky88-h2, .page-lucky88-h3 {
      color: var(--page-lucky88-heading-color);
      text-align: center;
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .page-lucky88-h1 {
      font-size: 2.2em;
      margin-top: 20px;
      text-transform: uppercase;
    }

    .page-lucky88-h2 {
      font-size: 1.8em;
      border-bottom: 2px solid var(--page-lucky88-accent-color);
      padding-bottom: 10px;
      display: inline-block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-lucky88-h3 {
      font-size: 1.4em;
      color: var(--page-lucky88-accent-color);
    }

    .page-lucky88-banner {
      width: 100%;
      overflow: hidden;
      margin-bottom: 20px;
      text-align: center;
    }

    .page-lucky88-banner img {
      width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      max-width: 768px; /* Giới hạn chiều rộng cho thiết bị di động */
      border-radius: 8px;
    }

    .page-lucky88-banner-text {
      padding: 15px;
      text-align: center;
      background-color: var(--page-lucky88-secondary-bg);
      border-bottom-left-radius: 8px;
      border-bottom-right-radius: 8px;
      margin-top: -8px; /* Kéo lên một chút để banner và text liền mạch */
    }

    .page-lucky88-button {
      display: inline-block;
      background-color: var(--page-lucky88-accent-color);
      color: var(--page-lucky88-button-text-color);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
      box-shadow: 0 4px 6px var(--page-lucky88-shadow);
    }

    .page-lucky88-button:hover {
      background-color: #e74c3c; /* Lighter red on hover */
      transform: translateY(-2px);
    }

    .page-lucky88-floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      white-space: nowrap;
      font-size: 1.1em;
      padding: 15px 30px;
    }

    .page-lucky88-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 15px;
      margin-top: 20px;
    }

    .page-lucky88-card {
      background-color: var(--page-lucky88-primary-bg);
      border-radius: 8px;
      padding: 15px;
      text-align: center;
      box-shadow: 0 2px 4px var(--page-lucky88-shadow);
      transition: transform 0.2s ease;
      border: 1px solid var(--page-lucky88-border-color);
    }

    .page-lucky88-card:hover {
      transform: translateY(-5px);
    }

    .page-lucky88-card img {
      max-width: 80px;
      height: auto;
      margin-bottom: 10px;
      border-radius: 4px;
    }

    .page-lucky88-card h3 {
      margin-top: 0;
      margin-bottom: 10px;
      font-size: 1.1em;
      color: var(--page-lucky88-heading-color);
    }

    .page-lucky88-card p {
      font-size: 0.9em;
      color: #ccc;
    }

    .page-lucky88-list {
      list-style: none;
      padding: 0;
      margin-top: 15px;
    }

    .page-lucky88-list li {
      background-color: var(--page-lucky88-primary-bg);
      margin-bottom: 10px;
      padding: 12px 15px;
      border-radius: 5px;
      border-left: 3px solid var(--page-lucky88-accent-color);
      display: flex;
      align-items: center;
    }

    .page-lucky88-list li::before {
      content: '✔';
      color: var(--page-lucky88-accent-color);
      margin-right: 10px;
      font-weight: bold;
    }

    .page-lucky88-provider-logo {
      max-width: 60px;
      height: auto;
      margin: 5px;
      filter: grayscale(80%);
      transition: filter 0.3s ease;
    }

    .page-lucky88-provider-logo:hover {
      filter: grayscale(0%);
    }

    .page-lucky88-text-center {
      text-align: center;
    }

    .page-lucky88-cta {
      text-align: center;
      margin-top: 30px;
    }

    .page-lucky88-cta p {
      margin-bottom: 20px;
      font-size: 1.1em;
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-lucky88-h1 {
        font-size: 3em;
      }
      .page-lucky88-h2 {
        font-size: 2.2em;
      }
      .page-lucky88-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
      .page-lucky88-floating-button {
        bottom: 30px;
        right: 30px;
        left: unset;
        transform: none;
        font-size: 1.2em;
        padding: 18px 35px;
      }
      .page-lucky88-banner img {
        max-width: 100%;
      }
    }