:root {
      --page-u888-primary-color: #e44d26; /* Cam đỏ */
      --page-u888-secondary-color: #f7b731; /* Vàng cam */
      --page-u888-accent-color: #2a7e19; /* Xanh lá đậm */
      --page-u888-dark-bg: #1a1a1a; /* Nền tối */
      --page-u888-light-bg: #ffffff; /* Nền sáng */
      --page-u888-text-color: #e0e0e0; /* Màu chữ sáng */
      --page-u888-dark-text-color: #333333; /* Màu chữ tối */
      --page-u888-border-color: #333333;
      --page-u888-font-family: 'Arial', sans-serif;
    }

    .page-u888 {
      font-family: var(--page-u888-font-family);
      color: var(--page-u888-text-color);
      background-color: var(--page-u888-dark-bg);
      line-height: 1.6;
      overflow-x: hidden;
    }

    .page-u888-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 1rem;
    }

    /* Banner Section */
    .page-u888-hero {
      text-align: center;
      padding: 0; /* No padding here, banner image will cover */
      position: relative;
      overflow: hidden;
      margin-bottom: 2rem;
    }

    .page-u888-hero-banner {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      max-height: 400px; /* Limit banner height for better text visibility */
      border-radius: 8px;
    }

    .page-u888-hero-content {
      position: absolute;
      bottom: 0; /* Banner text below image */
      left: 0;
      right: 0;
      padding: 1rem;
      background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.2));
      color: var(--page-u888-light-bg);
      border-bottom-left-radius: 8px;
      border-bottom-right-radius: 8px;
    }

    .page-u888-hero h1 {
      font-size: 2.2rem;
      color: var(--page-u888-secondary-color);
      margin-bottom: 0.5rem;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    }

    .page-u888-hero p {
      font-size: 1.1rem;
      margin-bottom: 1.5rem;
      color: var(--page-u888-text-color);
    }

    .page-u888-button {
      display: inline-block;
      background-color: var(--page-u888-primary-color);
      color: var(--page-u888-light-bg);
      padding: 0.8rem 1.5rem;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
      border: none;
      cursor: pointer;
      font-size: 1rem;
    }

    .page-u888-button:hover {
      background-color: #d13a1a;
      transform: translateY(-2px);
    }

    /* Floating Login/Register Button */
    .page-u888-floating-buttons {
      position: fixed;
      bottom: 1rem;
      right: 1rem;
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
      z-index: 1000;
    }

    .page-u888-floating-buttons .page-u888-button {
      padding: 0.7rem 1.2rem;
      font-size: 0.9rem;
      background-color: var(--page-u888-accent-color);
    }

    .page-u888-floating-buttons .page-u888-button:first-child {
      background-color: var(--page-u888-primary-color);
    }

    .page-u888-floating-buttons .page-u888-button:hover {
      transform: scale(1.05);
    }

    /* Section Styling */
    .page-u888-section {
      background-color: #222222;
      padding: 2rem 1rem;
      margin-bottom: 2rem;
      border-radius: 8px;
      box-shadow: 0 5px 15px rgba(0,0,0,0.4);
    }

    .page-u888-section h2 {
      font-size: 1.8rem;
      color: var(--page-u888-secondary-color);
      text-align: center;
      margin-bottom: 1.5rem;
      position: relative;
    }

    .page-u888-section h2::after {
      content: '';
      display: block;
      width: 60px;
      height: 3px;
      background-color: var(--page-u888-primary-color);
      margin: 0.5rem auto 0;
      border-radius: 2px;
    }

    .page-u888-section h3 {
      font-size: 1.4rem;
      color: var(--page-u888-primary-color);
      margin-top: 1.5rem;
      margin-bottom: 1rem;
    }

    .page-u888-section p {
      color: var(--page-u888-text-color);
      margin-bottom: 1rem;
    }

    /* Game Categories / Product Display */
    .page-u888-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 1.5rem;
      margin-top: 2rem;
      justify-content: center; /* Center grid items */
    }

    .page-u888-game-card {
      background-color: #333333;
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    }

    .page-u888-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.6);
    }

    .page-u888-game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
      border-bottom: 1px solid var(--page-u888-border-color);
    }

    .page-u888-game-card h4 {
      font-size: 1.1rem;
      color: var(--page-u888-light-bg);
      padding: 0.8rem 0.5rem;
      margin: 0;
      background-color: #444444;
    }

    .page-u888-game-card h4 a {
      color: inherit;
      text-decoration: none;
    }

    .page-u888-game-card h4 a:hover {
      color: var(--page-u888-secondary-color);
    }

    /* Promotions / News */
    .page-u888-article-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1.5rem;
    }

    .page-u888-article-card {
      background-color: #333333;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0,0,0,0.5);
      transition: transform 0.3s ease;
    }

    .page-u888-article-card:hover {
      transform: translateY(-5px);
    }

    .page-u888-article-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    .page-u888-article-content {
      padding: 1rem;
    }

    .page-u888-article-content h3 {
      font-size: 1.2rem;
      margin-top: 0;
      margin-bottom: 0.5rem;
    }

    .page-u888-article-content h3 a {
      color: var(--page-u888-secondary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-u888-article-content h3 a:hover {
      color: var(--page-u888-primary-color);
    }

    .page-u888-article-content p {
      font-size: 0.9rem;
      color: var(--page-u888-text-color);
      margin-bottom: 1rem;
    }

    .page-u888-read-more {
      color: var(--page-u888-primary-color);
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9rem;
    }

    .page-u888-read-more:hover {
      text-decoration: underline;
    }

    /* Testimonials/Why Choose Us */
    .page-u888-features-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 1.5rem;
    }

    .page-u888-features-list li {
      background-color: #333333;
      padding: 1.5rem;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.5);
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .page-u888-features-list li::before {
      content: '✔';
      color: var(--page-u888-accent-color);
      font-size: 1.5rem;
      margin-right: 0.5rem;
    }

    .page-u888-features-list li strong {
      color: var(--page-u888-secondary-color);
      font-size: 1.1rem;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-u888-hero h1 {
        font-size: 1.8rem;
      }
      .page-u888-hero p {
        font-size: 1rem;
      }
      .page-u888-section h2 {
        font-size: 1.5rem;
      }
      .page-u888-game-grid, .page-u888-article-grid {
        grid-template-columns: 1fr;
      }
      .page-u888-features-list {
        grid-template-columns: 1fr;
      }
      .page-u888-floating-buttons {
        bottom: 0.5rem;
        right: 0.5rem;
        flex-direction: row;
        width: calc(100% - 1rem);
        justify-content: space-around;
        gap: 0.5rem;
        padding: 0.5rem;
        background-color: rgba(0,0,0,0.8);
        border-top-left-radius: 10px;
        border-top-right-radius: 10px;
        box-shadow: 0 -4px 10px rgba(0,0,0,0.3);
      }
      .page-u888-floating-buttons .page-u888-button {
        flex: 1;
        text-align: center;
        padding: 0.6rem 0.5rem;
        font-size: 0.85rem;
      }
    }