:root {
      --page-uk88-primary-color: #e44d26; /* Cam đỏ */
      --page-uk88-secondary-color: #f7b731; /* Vàng cam */
      --page-uk88-text-dark: #333333;
      --page-uk88-text-light: #ffffff;
      --page-uk88-bg-light: #f5f5f5;
      --page-uk88-bg-dark: #2c3e50; /* Xám xanh đậm */
      --page-uk88-border-color: #dddddd;
      --page-uk88-card-bg: #ffffff;
      --page-uk88-shadow: rgba(0, 0, 0, 0.1);
    }

    .page-uk88 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-uk88-text-dark);
      background-color: var(--page-uk88-bg-light);
    }

    .page-uk88-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-uk88-hero {
      background: linear-gradient(135deg, var(--page-uk88-primary-color), var(--page-uk88-secondary-color));
      color: var(--page-uk88-text-light);
      padding: 60px 20px;
      text-align: center;
      border-radius: 8px;
      margin-bottom: 40px;
    }

    .page-uk88-hero h1 {
      font-size: 3em;
      margin-bottom: 15px;
      color: var(--page-uk88-text-light);
      text-shadow: 2px 2px 4px var(--page-uk88-shadow);
    }

    .page-uk88-hero p {
      font-size: 1.2em;
      margin-bottom: 30px;
    }

    .page-uk88-btn {
      display: inline-block;
      background-color: var(--page-uk88-bg-dark);
      color: var(--page-uk88-text-light);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 6px var(--page-uk88-shadow);
    }

    .page-uk88-btn:hover {
      background-color: #1a2a3a; /* Darker shade */
      transform: translateY(-2px);
    }

    .page-uk88-section {
      background-color: var(--page-uk88-card-bg);
      padding: 40px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px var(--page-uk88-shadow);
    }

    .page-uk88-section h2 {
      color: var(--page-uk88-primary-color);
      font-size: 2.2em;
      margin-bottom: 25px;
      text-align: center;
      border-bottom: 2px solid var(--page-uk88-secondary-color);
      padding-bottom: 10px;
    }

    .page-uk88-section h3 {
      color: var(--page-uk88-bg-dark);
      font-size: 1.6em;
      margin-top: 30px;
      margin-bottom: 15px;
      border-left: 5px solid var(--page-uk88-primary-color);
      padding-left: 10px;
    }

    .page-uk88-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-uk88-card {
      background-color: var(--page-uk88-bg-light);
      border-radius: 8px;
      padding: 25px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      text-align: center;
      transition: transform 0.2s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-uk88-card:hover {
      transform: translateY(-5px);
    }

    .page-uk88-card img {
      max-width: 100%;
      height: 150px;
      object-fit: cover;
      border-radius: 5px;
      margin-bottom: 15px;
      box-shadow: 0 2px 5px var(--page-uk88-shadow);
    }

    .page-uk88-card h4 {
      color: var(--page-uk88-primary-color);
      font-size: 1.4em;
      margin-bottom: 10px;
    }

    .page-uk88-card p {
      font-size: 0.95em;
      color: var(--page-uk88-text-dark);
      flex-grow: 1;
    }

    .page-uk88-list {
      list-style-type: none;
      padding: 0;
      margin-top: 20px;
    }

    .page-uk88-list li {
      background-color: var(--page-uk88-bg-light);
      margin-bottom: 10px;
      padding: 15px 20px;
      border-left: 4px solid var(--page-uk88-secondary-color);
      border-radius: 4px;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
      display: flex;
      align-items: center;
    }

    .page-uk88-list li::before {
      content: '✓';
      color: var(--page-uk88-primary-color);
      font-weight: bold;
      margin-right: 10px;
      font-size: 1.2em;
    }

    .page-uk88-promotion-banner {
      background-color: var(--page-uk88-bg-dark);
      color: var(--page-uk88-text-light);
      padding: 30px 20px;
      text-align: center;
      border-radius: 8px;
      margin-bottom: 40px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-uk88-promotion-banner h3 {
      color: var(--page-uk88-secondary-color);
      font-size: 2.5em;
      margin-bottom: 15px;
      text-shadow: 1px 1px 2px var(--page-uk88-shadow);
    }

    .page-uk88-promotion-banner p {
      font-size: 1.1em;
      margin-bottom: 25px;
    }

    .page-uk88-faq-item {
      margin-bottom: 15px;
      border: 1px solid var(--page-uk88-border-color);
      border-radius: 5px;
      overflow: hidden;
    }

    .page-uk88-faq-question {
      background-color: var(--page-uk88-bg-light);
      padding: 15px 20px;
      cursor: pointer;
      font-weight: bold;
      color: var(--page-uk88-bg-dark);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .page-uk88-faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-uk88-faq-answer {
      background-color: var(--page-uk88-card-bg);
      padding: 15px 20px;
      border-top: 1px solid var(--page-uk88-border-color);
      display: none;
    }

    .page-uk88-faq-answer p {
      margin: 0;
    }

    .page-uk88-faq-question .page-uk88-icon {
      font-size: 1.2em;
      transition: transform 0.3s ease;
    }

    .page-uk88-faq-question.active .page-uk88-icon {
      transform: rotate(180deg);
    }

    .page-uk88-floating-ad {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-uk88-primary-color);
      color: var(--page-uk88-text-light);
      padding: 15px 20px;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      text-align: center;
      animation: page-uk88-pulse 2s infinite;
      display: none; /* Hidden by default, shown by JS */
    }

    .page-uk88-floating-ad h4 {
      margin: 0 0 10px 0;
      color: var(--page-uk88-text-light);
      font-size: 1.3em;
    }

    .page-uk88-floating-ad .page-uk88-btn {
      background-color: var(--page-uk88-secondary-color);
      color: var(--page-uk88-bg-dark);
      padding: 8px 15px;
      font-size: 0.9em;
    }

    .page-uk88-floating-ad .page-uk88-btn:hover {
      background-color: #fbd364;
    }

    @keyframes page-uk88-pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-uk88-hero h1 {
        font-size: 2.2em;
      }
      .page-uk88-hero p {
        font-size: 1em;
      }
      .page-uk88-section h2 {
        font-size: 1.8em;
      }
      .page-uk88-section h3 {
        font-size: 1.4em;
      }
      .page-uk88-grid {
        grid-template-columns: 1fr;
      }
      .page-uk88-section {
        padding: 20px;
      }
      .page-uk88-floating-ad {
        bottom: 10px;
        right: 10px;
        left: 10px;
        width: auto;
      }
    }