:root {
      --page-typhu88-primary-color: #e44d26; /* Cam đỏ */
      --page-typhu88-secondary-color: #333; /* Xám đậm */
      --page-typhu88-accent-color: #ffcc00; /* Vàng */
      --page-typhu88-text-color-light: #f8f8f8; /* Trắng ngà */
      --page-typhu88-text-color-dark: #1a1a1a; /* Đen nhạt */
      --page-typhu88-bg-dark: #121212; /* Nền tối */
      --page-typhu88-bg-light: #ffffff; /* Nền trắng */
      --page-typhu88-border-radius: 8px;
    }

    .page-typhu88 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-typhu88-text-color-light);
      background-color: var(--page-typhu88-bg-dark);
      margin: 0;
      padding: 0;
    }

    .page-typhu88 a {
      color: var(--page-typhu88-accent-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-typhu88 a:hover {
      color: var(--page-typhu88-primary-color);
    }

    .page-typhu88 .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 1rem;
    }

    .page-typhu88 .section {
      padding: 2rem 0;
      text-align: center;
    }

    .page-typhu88 .section-dark {
      background-color: var(--page-typhu88-secondary-color);
      color: var(--page-typhu88-text-color-light);
    }

    .page-typhu88 .section-light {
      background-color: var(--page-typhu88-bg-light);
      color: var(--page-typhu88-text-color-dark);
    }

    .page-typhu88 h1, .page-typhu88 h2, .page-typhu88 h3 {
      color: var(--page-typhu88-accent-color);
      margin-bottom: 1rem;
      text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    }

    .page-typhu88 h1 {
      font-size: 2.5rem;
      color: var(--page-typhu88-primary-color);
    }
    .page-typhu88 h2 {
      font-size: 2rem;
      color: var(--page-typhu88-accent-color);
    }
    .page-typhu88 h3 {
      font-size: 1.5rem;
      color: var(--page-typhu88-primary-color);
    }

    /* Banner Section */
    .page-typhu88 .hero-banner {
      position: relative;
      width: 100%;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 250px; /* Minimum height for mobile */
      background-color: var(--page-typhu88-secondary-color);
      padding-bottom: 2rem; /* Ensure space for text below image */
    }

    .page-typhu88 .hero-banner-image {
      width: 100%;
      height: auto;
      object-fit: cover;
      display: block;
      margin: 0 auto;
      max-height: 300px; /* Limit banner image height on mobile */
      border-radius: var(--page-typhu88-border-radius);
    }

    .page-typhu88 .hero-content {
      position: relative; /* Ensure content is above any potential background effect */
      text-align: center;
      padding: 1rem;
      z-index: 2;
      background: linear-gradient(to top, var(--page-typhu88-bg-dark) 20%, rgba(18,18,18,0) 100%);
      width: 100%;
      margin-top: -50px; /* Overlap with image slightly for smooth transition */
      padding-top: 50px;
    }
    
    .page-typhu88 .hero-content p {
        margin-bottom: 1.5rem;
        font-size: 1.1rem;
        color: var(--page-typhu88-text-color-light);
    }

    /* Floating Button */
    .page-typhu88 .floating-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-typhu88-primary-color);
      color: var(--page-typhu88-text-color-light);
      padding: 1rem 1.5rem;
      border-radius: 50px;
      font-size: 1.1rem;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      animation: pulse 2s infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
    }

    .page-typhu88 .floating-btn:hover {
      background-color: #c0392b; /* Slightly darker red */
      transform: translateY(-3px);
    }
    
    .page-typhu88 .floating-btn .icon {
        font-size: 1.3rem;
    }

    @keyframes pulse {
      0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(228, 77, 38, 0.7); }
      70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(228, 77, 38, 0); }
      100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(228, 77, 38, 0); }
    }

    /* Grid Layout for Games/Features */
    .page-typhu88 .grid-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 1.5rem;
      margin-top: 2rem;
    }

    .page-typhu88 .grid-item {
      background-color: var(--page-typhu88-secondary-color);
      padding: 1rem;
      border-radius: var(--page-typhu88-border-radius);
      box-shadow: 0 2px 5px rgba(0,0,0,0.3);
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      transition: transform 0.3s ease;
    }
    
    .page-typhu88 .grid-item:hover {
        transform: translateY(-5px);
        background-color: #444;
    }

    .page-typhu88 .grid-item img {
      max-width: 100%;
      height: 100px;
      object-fit: contain;
      margin-bottom: 0.8rem;
      border-radius: 4px;
    }

    .page-typhu88 .grid-item h3 {
      font-size: 1.1rem;
      margin: 0.5rem 0;
      color: var(--page-typhu88-accent-color);
    }
    
    .page-typhu88 .grid-item p {
        font-size: 0.9rem;
        color: var(--page-typhu88-text-color-light);
    }

    .page-typhu88 .btn {
      display: inline-block;
      background-color: var(--page-typhu88-primary-color);
      color: var(--page-typhu88-text-color-light);
      padding: 0.8rem 1.5rem;
      border-radius: 5px;
      text-transform: uppercase;
      font-weight: bold;
      margin-top: 1rem;
      transition: background-color 0.3s ease;
    }

    .page-typhu88 .btn:hover {
      background-color: #c0392b;
    }
    
    .page-typhu88 .feature-list {
        list-style: none;
        padding: 0;
        margin-top: 2rem;
        display: grid;
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .page-typhu88 .feature-list li {
        background-color: var(--page-typhu88-secondary-color);
        padding: 1rem;
        border-radius: var(--page-typhu88-border-radius);
        text-align: left;
        display: flex;
        align-items: flex-start;
        gap: 1rem;
        box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    }
    
    .page-typhu88 .feature-list li .icon {
        color: var(--page-typhu88-accent-color);
        font-size: 1.5rem;
        line-height: 1;
    }
    
    .page-typhu88 .feature-list li strong {
        color: var(--page-typhu88-primary-color);
    }

    /* How-to Guide */
    .page-typhu88 .how-to-steps {
      list-style: none;
      padding: 0;
      margin-top: 2rem;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .page-typhu88 .how-to-steps li {
      background-color: var(--page-typhu88-bg-light);
      color: var(--page-typhu88-text-color-dark);
      padding: 1.5rem;
      border-radius: var(--page-typhu88-border-radius);
      text-align: left;
      box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    }
    
    .page-typhu88 .how-to-steps li h3 {
        color: var(--page-typhu88-primary-color);
        margin-top: 0;
    }

    .page-typhu88 .how-to-steps li p {
        margin-bottom: 0;
    }

    /* FAQ Section */
    .page-typhu88 .faq-item {
      background-color: var(--page-typhu88-secondary-color);
      margin-bottom: 1rem;
      border-radius: var(--page-typhu88-border-radius);
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    }

    .page-typhu88 .faq-question {
      padding: 1rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: var(--page-typhu88-accent-color);
      background-color: #444;
    }

    .page-typhu88 .faq-answer {
      padding: 1rem;
      background-color: var(--page-typhu88-secondary-color);
      border-top: 1px solid #555;
      display: none; /* Hidden by default */
      text-align: left;
      color: var(--page-typhu88-text-color-light);
    }
    
    .page-typhu88 .faq-answer p {
        margin-bottom: 0;
    }

    .page-typhu88 .faq-question::after {
      content: '+';
      font-size: 1.5rem;
      transition: transform 0.3s ease;
    }

    .page-typhu88 .faq-question.active::after {
      content: '-';
      transform: rotate(180deg);
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-typhu88 h1 {
        font-size: 3.5rem;
      }
      .page-typhu88 h2 {
        font-size: 2.5rem;
      }
      .page-typhu88 .hero-banner-image {
        max-height: 400px;
      }
      .page-typhu88 .hero-content {
          margin-top: -100px;
          padding-top: 100px;
      }
      .page-typhu88 .grid-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
      .page-typhu88 .feature-list {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .page-typhu88 h1 {
        font-size: 4rem;
      }
      .page-typhu88 .hero-banner-image {
        max-height: 500px;
      }
      .page-typhu88 .grid-container {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      }
      .page-typhu88 .feature-list {
        grid-template-columns: repeat(3, 1fr);
      }
      .page-typhu88 .how-to-steps {
        flex-direction: row;
        gap: 2rem;
      }
      .page-typhu88 .how-to-steps li {
        flex: 1;
      }
    }