/* CSS cho trang 88CLB */
    :root {
      --page-88clb-primary-color: #007bff; /* Xanh dương */
      --page-88clb-secondary-color: #28a745; /* Xanh lá */
      --page-88clb-background-light: #f8f9fa; /* Nền nhạt */
      --page-88clb-text-dark: #333333; /* Chữ tối */
      --page-88clb-text-light: #ffffff; /* Chữ sáng */
      --page-88clb-card-background: #ffffff; /* Nền thẻ */
      --page-88clb-border-color: #e0e0e0; /* Màu viền */
      --page-88clb-accent-red: #dc3545; /* Đỏ nhấn */
    }

    .page-88clb {
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      color: var(--page-88clb-text-dark);
      line-height: 1.6;
      background-color: var(--page-88clb-background-light);
      padding: 20px 0;
    }

    .page-88clb-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-88clb h1,
    .page-88clb h2,
    .page-88clb h3 {
      color: var(--page-88clb-primary-color);
      margin-bottom: 20px;
      text-align: center;
      font-weight: 700;
    }

    .page-88clb h1 {
      font-size: 2.5em;
      color: var(--page-88clb-accent-red);
    }

    .page-88clb h2 {
      font-size: 2em;
      border-bottom: 2px solid var(--page-88clb-border-color);
      padding-bottom: 10px;
      margin-top: 40px;
    }

    .page-88clb h3 {
      font-size: 1.5em;
      color: var(--page-88clb-secondary-color);
      margin-top: 30px;
    }

    .page-88clb p {
      margin-bottom: 15px;
      text-align: justify;
    }

    .page-88clb-hero {
      background: linear-gradient(to right, #0056b3, var(--page-88clb-primary-color));
      color: var(--page-88clb-text-light);
      padding: 60px 20px;
      text-align: center;
      border-radius: 8px;
      margin-bottom: 40px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-88clb-hero h1 {
      color: var(--page-88clb-text-light);
      font-size: 3em;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }

    .page-88clb-hero p {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-88clb-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    .page-88clb-button {
      background-color: var(--page-88clb-secondary-color);
      color: var(--page-88clb-text-light);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      white-space: nowrap;
    }

    .page-88clb-button:hover {
      background-color: #218838; /* Màu xanh lá đậm hơn */
      transform: translateY(-2px);
    }

    .page-88clb-button.primary {
      background-color: var(--page-88clb-accent-red);
    }

    .page-88clb-button.primary:hover {
      background-color: #c82333; /* Màu đỏ đậm hơn */
    }

    .page-88clb-section {
      background-color: var(--page-88clb-card-background);
      padding: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      margin-bottom: 30px;
    }

    .page-88clb-advantages-grid,
    .page-88clb-games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-88clb-card {
      background-color: var(--page-88clb-background-light);
      border-radius: 8px;
      padding: 25px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 220px;
    }

    .page-88clb-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-88clb-card img {
      max-width: 100px;
      height: auto;
      margin-bottom: 15px;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-88clb-card h4 {
      color: var(--page-88clb-primary-color);
      font-size: 1.25em;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .page-88clb-card p {
      font-size: 0.95em;
      color: var(--page-88clb-text-dark);
      text-align: center;
    }

    .page-88clb-game-item {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-bottom: 25px;
      padding: 20px;
      background-color: var(--page-88clb-background-light);
      border-radius: 8px;
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
    }

    .page-88clb-game-item:last-child {
      margin-bottom: 0;
    }

    .page-88clb-game-item img {
      width: 80px;
      height: 80px;
      object-fit: cover;
      border-radius: 8px;
      flex-shrink: 0;
    }

    .page-88clb-game-info h4 {
      margin-top: 0;
      margin-bottom: 8px;
      color: var(--page-88clb-primary-color);
      text-align: left;
    }

    .page-88clb-game-info p {
      font-size: 0.9em;
      margin-bottom: 0;
      text-align: left;
    }

    .page-88clb-guide-steps {
      list-style: none;
      padding: 0;
      counter-reset: guide-step;
    }

    .page-88clb-guide-steps li {
      background-color: var(--page-88clb-background-light);
      margin-bottom: 15px;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.07);
      display: flex;
      align-items: flex-start;
    }

    .page-88clb-guide-steps li::before {
      counter-increment: guide-step;
      content: counter(guide-step);
      background-color: var(--page-88clb-primary-color);
      color: var(--page-88clb-text-light);
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-weight: bold;
      margin-right: 15px;
      flex-shrink: 0;
    }

    .page-88clb-guide-steps li h4 {
      margin-top: 0;
      margin-bottom: 5px;
      color: var(--page-88clb-secondary-color);
      text-align: left;
    }

    .page-88clb-guide-steps li p {
      margin-bottom: 0;
      text-align: left;
    }

    .page-88clb-promotion-banner {
      background: linear-gradient(45deg, var(--page-88clb-accent-red), #ffc107);
      color: var(--page-88clb-text-light);
      padding: 40px;
      border-radius: 8px;
      text-align: center;
      margin-top: 40px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-88clb-promotion-banner h3 {
      color: var(--page-88clb-text-light);
      font-size: 2em;
      margin-bottom: 15px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    }

    .page-88clb-promotion-banner p {
      font-size: 1.1em;
      margin-bottom: 25px;
    }

    .page-88clb-app-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 30px;
      text-align: center;
    }

    .page-88clb-app-section img {
      max-width: 250px;
      height: auto;
      border-radius: 15px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    .page-88clb-app-links {
      display: flex;
      gap: 15px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .page-88clb-app-link {
      background-color: var(--page-88clb-primary-color);
      color: var(--page-88clb-text-light);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-88clb-app-link:hover {
      background-color: #0056b3;
    }

    .page-88clb-app-link svg {
      fill: var(--page-88clb-text-light);
      width: 20px;
      height: 20px;
    }

    .page-88clb-faq-item {
      margin-bottom: 10px;
      border: 1px solid var(--page-88clb-border-color);
      border-radius: 8px;
      overflow: hidden;
    }

    .page-88clb-faq-question {
      background-color: var(--page-88clb-background-light);
      padding: 15px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: var(--page-88clb-primary-color);
      transition: background-color 0.3s ease;
    }

    .page-88clb-faq-question:hover {
      background-color: #e9ecef;
    }

    .page-88clb-faq-question::after {
      content: '+';
      font-size: 1.5em;
      transition: transform 0.3s ease;
    }

    .page-88clb-faq-question.active::after {
      content: '-';
      transform: rotate(180deg);
    }

    .page-88clb-faq-answer {
      padding: 15px 20px;
      background-color: var(--page-88clb-card-background);
      border-top: 1px solid var(--page-88clb-border-color);
      display: none;
      text-align: left;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-88clb h1 {
        font-size: 2em;
      }
      .page-88clb h2 {
        font-size: 1.7em;
      }
      .page-88clb-hero {
        padding: 40px 15px;
      }
      .page-88clb-hero h1 {
        font-size: 2.5em;
      }
      .page-88clb-buttons {
        flex-direction: column;
        gap: 15px;
      }
      .page-88clb-button {
        width: 80%;
        max-width: 300px;
      }
      .page-88clb-advantages-grid,
      .page-88clb-games-grid {
        grid-template-columns: 1fr;
      }
      .page-88clb-game-item {
        flex-direction: column;
        text-align: center;
      }
      .page-88clb-game-info h4, .page-88clb-game-info p {
        text-align: center;
      }
      .page-88clb-guide-steps li {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .page-88clb-guide-steps li::before {
        margin-right: 0;
        margin-bottom: 10px;
      }
      .page-88clb-guide-steps li h4, .page-88clb-guide-steps li p {
        text-align: center;
      }
      .page-88clb-promotion-banner {
        padding: 30px 20px;
      }
      .page-88clb-promotion-banner h3 {
        font-size: 1.5em;
      }
      .page-88clb-app-section img {
        max-width: 200px;
      }
    }