:root {
      --page-nhacaiuytin88-primary-color: #007bff; /* Xanh dương */
      --page-nhacaiuytin88-secondary-color: #6c757d; /* Xám */
      --page-nhacaiuytin88-accent-color: #ffc107; /* Vàng */
      --page-nhacaiuytin88-dark-bg: #1a1a1a; /* Nền tối */
      --page-nhacaiuytin88-light-bg: #f8f9fa; /* Nền sáng */
      --page-nhacaiuytin88-text-color: #333; /* Màu chữ chính */
      --page-nhacaiuytin88-white-text: #fff; /* Chữ trắng */
      --page-nhacaiuytin88-border-color: #dee2e6; /* Màu viền */
      --page-nhacaiuytin88-link-color: #0056b3; /* Màu liên kết */
      --page-nhacaiuytin88-success-color: #28a745; /* Màu thành công */
      --page-nhacaiuytin88-danger-color: #dc3545; /* Màu lỗi */
    }

    /* Đảm bảo độ tương phản màu sắc */
    .page-nhacaiuytin88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-nhacaiuytin88-text-color);
      background-color: var(--page-nhacaiuytin88-light-bg);
      padding: 20px 0;
    }

    .page-nhacaiuytin88 .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-nhacaiuytin88 section {
      background-color: var(--page-nhacaiuytin88-white-text);
      padding: 30px;
      margin-bottom: 25px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    .page-nhacaiuytin88 h1,
    .page-nhacaiuytin88 h2,
    .page-nhacaiuytin88 h3 {
      color: var(--page-nhacaiuytin88-dark-bg);
      margin-bottom: 20px;
      font-weight: bold;
    }

    .page-nhacaiuytin88 h1 {
      font-size: 2.8em;
      text-align: center;
      color: var(--page-nhacaiuytin88-primary-color);
    }

    .page-nhacaiuytin88 h2 {
      font-size: 2.2em;
      border-bottom: 2px solid var(--page-nhacaiuytin88-primary-color);
      padding-bottom: 10px;
      margin-top: 30px;
    }

    .page-nhacaiuytin88 h3 {
      font-size: 1.8em;
      color: var(--page-nhacaiuytin88-primary-color);
    }

    .page-nhacaiuytin88 p {
      margin-bottom: 15px;
      font-size: 1.1em;
      color: var(--page-nhacaiuytin88-text-color);
    }

    .page-nhacaiuytin88 ul {
      list-style: disc;
      margin-left: 20px;
      margin-bottom: 15px;
    }

    .page-nhacaiuytin88 ul li {
      margin-bottom: 8px;
      font-size: 1.1em;
      color: var(--page-nhacaiuytin88-text-color);
    }

    .page-nhacaiuytin88 .btn {
      display: inline-block;
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      font-size: 1.1em;
      text-align: center;
      cursor: pointer;
    }

    .page-nhacaiuytin88 .btn-primary {
      background-color: var(--page-nhacaiuytin88-primary-color);
      color: var(--page-nhacaiuytin88-white-text);
      border: 1px solid var(--page-nhacaiuytin88-primary-color);
    }

    .page-nhacaiuytin88 .btn-primary:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-nhacaiuytin88 .btn-accent {
      background-color: var(--page-nhacaiuytin88-accent-color);
      color: var(--page-nhacaiuytin88-dark-bg);
      border: 1px solid var(--page-nhacaiuytin88-accent-color);
    }

    .page-nhacaiuytin88 .btn-accent:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    .page-nhacaiuytin88 .hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('[GALLERY:banner:nhacaiuytin88,hero,banner]');
      background-size: cover;
      background-position: center;
      color: var(--page-nhacaiuytin88-white-text);
      text-align: center;
      padding: 80px 20px;
      border-radius: 8px;
      margin-bottom: 30px;
    }

    .page-nhacaiuytin88 .hero-section h1 {
      color: var(--page-nhacaiuytin88-white-text);
      font-size: 3.5em;
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-nhacaiuytin88 .hero-section p {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: var(--page-nhacaiuytin88-white-text);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
    }

    .page-nhacaiuytin88 .game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 25px;
    }

    .page-nhacaiuytin88 .game-card {
      background-color: var(--page-nhacaiuytin88-light-bg);
      border: 1px solid var(--page-nhacaiuytin88-border-color);
      border-radius: 8px;
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-nhacaiuytin88 .game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    }

    .page-nhacaiuytin88 .game-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    .page-nhacaiuytin88 .game-card .content {
      padding: 20px;
    }

    .page-nhacaiuytin88 .game-card h3 {
      font-size: 1.5em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-nhacaiuytin88-primary-color);
    }

    .page-nhacaiuytin88 .game-card p {
      font-size: 0.95em;
      color: var(--page-nhacaiuytin88-secondary-color);
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-nhacaiuytin88 .game-card .btn {
      width: calc(100% - 40px);
      margin-top: auto;
    }

    .page-nhacaiuytin88 .review-points ul {
      list-style: none;
      padding: 0;
    }

    .page-nhacaiuytin88 .review-points li {
      background-color: var(--page-nhacaiuytin88-light-bg);
      border-left: 5px solid var(--page-nhacaiuytin88-primary-color);
      padding: 15px;
      margin-bottom: 10px;
      border-radius: 5px;
      font-size: 1.1em;
      display: flex;
      align-items: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-nhacaiuytin88 .review-points li::before {
      content: "✅";
      margin-right: 10px;
      font-size: 1.2em;
    }

    .page-nhacaiuytin88 .cta-banner {
      background-color: var(--page-nhacaiuytin88-primary-color);
      color: var(--page-nhacaiuytin88-white-text);
      text-align: center;
      padding: 40px 20px;
      border-radius: 8px;
      margin-top: 30px;
      margin-bottom: 30px;
    }

    .page-nhacaiuytin88 .cta-banner h2 {
      color: var(--page-nhacaiuytin88-white-text);
      font-size: 2.5em;
      margin-bottom: 15px;
      border-bottom: none;
    }

    .page-nhacaiuytin88 .cta-banner p {
      font-size: 1.2em;
      margin-bottom: 25px;
      color: var(--page-nhacaiuytin88-white-text);
    }

    .page-nhacaiuytin88 .cta-banner .btn {
      background-color: var(--page-nhacaiuytin88-accent-color);
      color: var(--page-nhacaiuytin88-dark-bg);
      border: none;
      padding: 15px 35px;
      font-size: 1.3em;
      border-radius: 30px;
    }

    .page-nhacaiuytin88 .cta-banner .btn:hover {
      background-color: #e0a800;
    }

    .page-nhacaiuytin88 .faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--page-nhacaiuytin88-border-color);
      border-radius: 5px;
      overflow: hidden;
    }

    .page-nhacaiuytin88 .faq-question {
      background-color: #e9ecef;
      padding: 15px 20px;
      cursor: pointer;
      font-weight: bold;
      color: var(--page-nhacaiuytin88-dark-bg);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.1em;
    }

    .page-nhacaiuytin88 .faq-question:hover {
      background-color: #e2e6ea;
    }

    .page-nhacaiuytin88 .faq-answer {
      padding: 15px 20px;
      background-color: var(--page-nhacaiuytin88-white-text);
      border-top: 1px solid var(--page-nhacaiuytin88-border-color);
      display: none;
    }

    .page-nhacaiuytin88 .faq-answer p {
      margin-bottom: 0;
    }

    .page-nhacaiuytin88 .faq-question .icon {
      font-size: 1.2em;
      transition: transform 0.3s ease;
    }

    .page-nhacaiuytin88 .faq-item.active .faq-question .icon {
      transform: rotate(180deg);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-nhacaiuytin88 h1 {
        font-size: 2.2em;
      }

      .page-nhacaiuytin88 h2 {
        font-size: 1.8em;
      }

      .page-nhacaiuytin88 h3 {
        font-size: 1.4em;
      }

      .page-nhacaiuytin88 .hero-section {
        padding: 60px 15px;
      }

      .page-nhacaiuytin88 .hero-section h1 {
        font-size: 2.8em;
      }

      .page-nhacaiuytin88 .hero-section p {
        font-size: 1.1em;
      }

      .page-nhacaiuytin88 .game-grid {
        grid-template-columns: 1fr;
      }

      .page-nhacaiuytin88 .cta-banner h2 {
        font-size: 2em;
      }

      .page-nhacaiuytin88 .cta-banner p {
        font-size: 1em;
      }

      .page-nhacaiuytin88 .cta-banner .btn {
        padding: 12px 25px;
        font-size: 1.1em;
      }
    }