/* CSS dành riêng cho trang u888 */
    :root {
      --page-u888-primary-color: #007bff; /* Xanh dương */
      --page-u888-secondary-color: #28a745; /* Xanh lá */
      --page-u888-accent-color: #ffc107; /* Vàng */
      --page-u888-text-dark: #333333;
      --page-u888-text-light: #ffffff;
      --page-u888-bg-light: #f8f9fa;
      --page-u888-bg-dark: #212529;
    }

    .page-u888 {
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      color: var(--page-u888-text-dark);
      line-height: 1.6;
      background-color: var(--page-u888-bg-light);
    }

    .page-u888-section {
      padding: 40px 15px;
      text-align: center;
      margin-bottom: 20px;
    }

    .page-u888-section:nth-of-type(even) {
      background-color: #e9ecef;
    }

    .page-u888-heading {
      color: var(--page-u888-primary-color);
      margin-bottom: 25px;
      font-weight: 700;
      font-size: 2.2em;
    }

    .page-u888-subheading {
      color: var(--page-u888-text-dark);
      margin-bottom: 20px;
      font-size: 1.6em;
    }

    .page-u888-paragraph {
      margin-bottom: 15px;
      font-size: 1.1em;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: var(--page-u888-text-dark);
    }

    /* Banner */
    .page-u888-banner {
      position: relative;
      width: 100%;
      overflow: hidden;
      margin-bottom: 20px;
      padding-top: 56.25%; /* 16:9 Aspect Ratio */
      background-color: var(--page-u888-bg-dark);
    }

    .page-u888-banner img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-u888-banner-content {
      position: absolute;
      bottom: 0; /* Đảm bảo nội dung không nằm dưới ảnh */
      left: 0;
      width: 100%;
      padding: 20px;
      background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 100%);
      color: var(--page-u888-text-light);
      text-align: center;
    }

    .page-u888-banner-content h1 {
      font-size: 2.5em;
      margin-bottom: 10px;
      color: var(--page-u888-accent-color);
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    .page-u888-banner-content p {
      font-size: 1.2em;
      margin-bottom: 20px;
      color: var(--page-u888-text-light);
    }

    .page-u888-banner-btn {
      display: inline-block;
      background-color: var(--page-u888-secondary-color);
      color: var(--page-u888-text-light);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    }

    .page-u888-banner-btn:hover {
      background-color: #218838;
      transform: translateY(-2px);
    }

    /* Floating Button */
    .page-u888-floating-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-u888-accent-color);
      color: var(--page-u888-text-dark);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 5px 15px rgba(0,0,0,0.3);
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background-color 0.3s ease, transform 0.2s ease;
    }

    .page-u888-floating-btn:hover {
      background-color: #e0a800;
      transform: translateY(-3px);
    }

    /* Game Categories */
    .page-u888-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .page-u888-game-card {
      background-color: var(--page-u888-text-light);
      border-radius: 10px;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-decoration: none;
      color: var(--page-u888-text-dark);
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 15px;
    }

    .page-u888-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    }

    .page-u888-game-card img {
      width: 100%;
      height: 120px;
      object-fit: contain; /* Changed from cover to contain for better logo display */
      border-radius: 5px;
      margin-bottom: 10px;
    }

    .page-u888-game-card h3 {
      font-size: 1.2em;
      margin: 0;
      color: var(--page-u888-primary-color);
    }

    /* Features List */
    .page-u888-features-list {
      list-style: none;
      padding: 0;
      max-width: 700px;
      margin: 20px auto 0;
      text-align: left;
    }

    .page-u888-features-list li {
      background-color: var(--page-u888-text-light);
      margin-bottom: 10px;
      padding: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.08);
      display: flex;
      align-items: center;
      font-size: 1.1em;
      color: var(--page-u888-text-dark);
    }

    .page-u888-features-list li::before {
      content: '✅';
      margin-right: 10px;
      font-size: 1.2em;
    }

    /* Partners/Providers */
    .page-u888-partners-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      gap: 15px;
      max-width: 800px;
      margin: 20px auto;
      align-items: center;
      justify-items: center;
    }

    .page-u888-partner-logo {
      width: 80px;
      height: 50px;
      object-fit: contain;
      filter: grayscale(80%);
      transition: filter 0.3s ease;
    }

    .page-u888-partner-logo:hover {
      filter: grayscale(0%);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-u888-banner-content h1 {
        font-size: 2em;
      }
      .page-u888-banner-content p {
        font-size: 1em;
      }
      .page-u888-heading {
        font-size: 1.8em;
      }
      .page-u888-subheading {
        font-size: 1.4em;
      }
      .page-u888-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-u888-game-card img {
        height: 100px;
      }
      .page-u888-floating-btn {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }
    }

    @media (max-width: 480px) {
      .page-u888-banner-content h1 {
        font-size: 1.8em;
      }
      .page-u888-banner-content p {
        font-size: 0.9em;
      }
      .page-u888-heading {
        font-size: 1.6em;
      }
      .page-u888-subheading {
        font-size: 1.2em;
      }
      .page-u888-game-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .page-u888-game-card img {
        height: 80px;
      }
      .page-u888-floating-btn {
        padding: 10px 15px;
        font-size: 0.9em;
      }
    }