/* Reset và cơ bản */
    .page-xocdia88link {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: #333;
      background-color: #f8f9fa;
      padding: 0;
      margin: 0;
      box-sizing: border-box;
      overflow-x: hidden; /* Prevent horizontal scroll */
    }

    .page-xocdia88link__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    /* Tiêu đề chung */
    .page-xocdia88link__section-title {
      font-size: 2.5em;
      color: #0a58ca;
      text-align: center;
      margin-bottom: 40px;
      font-weight: 700;
      line-height: 1.2;
    }

    .page-xocdia88link__section-title span {
      color: #dc3545; /* Highlight color */
    }

    .page-xocdia88link__sub-title {
      font-size: 1.8em;
      color: #0a58ca;
      margin-top: 30px;
      margin-bottom: 20px;
      font-weight: 600;
      text-align: center;
    }

    /* Nút hành động */
    .page-xocdia88link__cta-button {
      display: inline-block;
      background-color: #dc3545;
      color: #fff;
      padding: 15px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-xocdia88link__cta-button:hover {
      background-color: #c82333;
      transform: translateY(-2px);
    }

    /* Hình ảnh chung */
    .page-xocdia88link__image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin: 20px auto;
      text-align: center;
    }

    .page-xocdia88link__image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    /* Hero Section */
    .page-xocdia88link__hero-section {
      background: linear-gradient(135deg, #0a58ca, #007bff);
      color: #fff;
      padding-top: 10px; /* Required padding for fixed header */
      padding-bottom: 60px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .page-xocdia88link__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .page-xocdia88link__hero-title {
      font-size: 3.2em;
      margin-bottom: 20px;
      font-weight: 800;
      line-height: 1.2;
      color: #fff;
    }

    .page-xocdia88link__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
      color: #e0e0e0;
    }

    .page-xocdia88link__hero-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    .page-xocdia88link__hero-button {
      background-color: #ffc107;
      color: #333;
      padding: 15px 35px;
      border-radius: 8px;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      border: none;
      cursor: pointer;
    }

    .page-xocdia88link__hero-button:hover {
      background-color: #e0a800;
      transform: translateY(-3px);
    }

    /* Floating Button */
    .page-xocdia88link__floating-button-wrapper {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      width: 90%;
      max-width: 400px;
      text-align: center;
      box-sizing: border-box;
    }

    .page-xocdia88link__floating-button {
      background-color: #dc3545;
      color: #fff;
      padding: 15px 20px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
      animation: page-xocdia88link__pulse 2s infinite;
      display: block; /* Make it block to take full width of wrapper */
      width: 100%;
      box-sizing: border-box;
      border: none;
      cursor: pointer;
      text-align: center;
    }

    .page-xocdia88link__floating-button:hover {
      background-color: #c82333;
    }

    @keyframes page-xocdia88link__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* Feature Section */
    .page-xocdia88link__feature-section {
      padding: 60px 0;
      background-color: #fff;
    }

    .page-xocdia88link__feature-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-xocdia88link__feature-item {
      background-color: #f0f8ff;
      padding: 30px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Required for list items */
    }

    .page-xocdia88link__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-xocdia88link__feature-icon {
      width: 100px; /* Min size */
      height: auto;
      margin-bottom: 20px;
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-xocdia88link__feature-title {
      font-size: 1.5em;
      color: #0a58ca;
      margin-bottom: 15px;
      font-weight: 700;
    }

    .page-xocdia88link__feature-description {
      font-size: 1em;
      color: #555;
    }

    /* Download Guide Section */
    .page-xocdia88link__download-guide-section {
      padding: 60px 0;
      background-color: #e9ecef;
    }

    .page-xocdia88link__download-steps {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }

    .page-xocdia88link__download-step {
      display: flex;
      align-items: center;
      background-color: #fff;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      box-sizing: border-box;
    }

    .page-xocdia88link__step-number {
      font-size: 3em;
      font-weight: bold;
      color: #0a58ca;
      margin-right: 30px;
      flex-shrink: 0;
    }

    .page-xocdia88link__step-content {
      flex-grow: 1;
    }

    .page-xocdia88link__step-title {
      font-size: 1.8em;
      color: #dc3545;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .page-xocdia88link__step-description {
      font-size: 1.1em;
      color: #444;
    }

    .page-xocdia88link__step-image-wrapper {
      flex-shrink: 0;
      margin-left: 30px;
      width: 250px; /* Min size */
      max-width: 30%;
      box-sizing: border-box;
    }

    .page-xocdia88link__step-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .page-xocdia88link__download-buttons {
      text-align: center;
      margin-top: 40px;
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    /* Game Section */
    .page-xocdia88link__game-section {
      padding: 60px 0;
      background-color: #fff;
    }

    .page-xocdia88link__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .page-xocdia88link__game-card {
      background-color: #f0f8ff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-xocdia88link__game-card:hover {
      transform: translateY(-5px);
    }

    .page-xocdia88link__game-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-xocdia88link__game-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-xocdia88link__game-content {
      padding: 20px;
      text-align: center;
    }

    .page-xocdia88link__game-title {
      font-size: 1.4em;
      color: #0a58ca;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .page-xocdia88link__game-description {
      font-size: 0.95em;
      color: #555;
    }

    /* Promotion Section */
    .page-xocdia88link__promotion-section {
      padding: 60px 0;
      background: linear-gradient(135deg, #dc3545, #ff4c6a);
      color: #fff;
      text-align: center;
    }

    .page-xocdia88link__promotion-title {
      font-size: 2.8em;
      margin-bottom: 20px;
      font-weight: 800;
      line-height: 1.2;
    }

    .page-xocdia88link__promotion-text {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 30px auto;
      color: #eee;
    }

    /* FAQ Section */
    .page-xocdia88link__faq-section {
      padding: 60px 0;
      background-color: #f8f9fa;
    }

    .page-xocdia88link__faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-xocdia88link__faq-item {
      background-color: #fff;
      margin-bottom: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      overflow: hidden;
      box-sizing: border-box; /* Required for list items, though not a direct list here */
    }

    .page-xocdia88link__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #f0f8ff;
      border-bottom: 1px solid #e0e0e0;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-xocdia88link__faq-question:hover {
      background-color: #e6f2ff;
    }

    .page-xocdia88link__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: #0a58ca;
      font-weight: 600;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-xocdia88link__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: #dc3545;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
      line-height: 1; /* Ensure vertical alignment */
      margin-left: 15px;
    }

    .page-xocdia88link__faq-item.active .page-xocdia88link__faq-toggle {
      transform: rotate(45deg); /* Change + to X (or rotate to -) */
      color: #0a58ca;
    }
    .page-xocdia88link__faq-item.active .page-xocdia88link__faq-question {
        border-bottom: none; /* Remove border when active */
    }

    .page-xocdia88link__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      background-color: #fff;
      color: #444;
    }

    .page-xocdia88link__faq-item.active .page-xocdia88link__faq-answer {
      max-height: 2000px !important; /* Use !important as required */
      padding: 20px 25px !important; /* Use !important as required */
      opacity: 1;
    }
    
    .page-xocdia88link__faq-answer p {
        margin: 0 0 10px 0;
    }
    .page-xocdia88link__faq-answer p:last-child {
        margin-bottom: 0;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-xocdia88link__container {
        padding: 15px;
      }

      .page-xocdia88link__hero-section {
        padding-top: 10px; /* Required padding for fixed header */
        padding-bottom: 40px;
      }

      .page-xocdia88link__hero-title {
        font-size: 2.2em;
      }

      .page-xocdia88link__hero-description {
        font-size: 1em;
      }

      .page-xocdia88link__hero-buttons {
        flex-direction: column;
        gap: 15px;
      }

      .page-xocdia88link__hero-button {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-xocdia88link__floating-button-wrapper {
        width: 95%;
      }
      
      .page-xocdia88link__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }

      .page-xocdia88link__sub-title {
        font-size: 1.5em;
      }

      .page-xocdia88link__feature-item,
      .page-xocdia88link__game-card {
        width: 100% !important; /* Required for list items */
        max-width: 100% !important; /* Required for list items */
        box-sizing: border-box !important; /* Required for list items */
        margin-left: 0 !important; /* Required for list items */
        margin-right: 0 !important; /* Required for list items */
        word-wrap: break-word !important; /* Required for list items */
        overflow-wrap: break-word !important; /* Required for list items */
        word-break: break-word !important; /* Required for list items */
      }
      
      .page-xocdia88link__feature-list,
      .page-xocdia88link__game-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100% !important; /* Required for list containers */
        max-width: 100% !important; /* Required for list containers */
        padding: 0 !important; /* Required for list containers */
        margin-left: 0 !important; /* Required for list containers */
        margin-right: 0 !important; /* Required for list containers */
        box-sizing: border-box !important; /* Required for list containers */
      }

      .page-xocdia88link__download-step {
        flex-direction: column;
        text-align: center;
        padding: 20px;
      }

      .page-xocdia88link__step-number {
        margin-right: 0;
        margin-bottom: 15px;
      }

      .page-xocdia88link__step-image-wrapper {
        margin-left: 0;
        margin-top: 20px;
        width: 100%;
        max-width: 250px; /* Keep a reasonable max-width for image */
      }

      .page-xocdia88link__download-buttons {
        flex-direction: column;
        gap: 15px;
      }
      
      .page-xocdia88link__cta-button {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
      }

      .page-xocdia88link__game-image-wrapper {
        height: 150px;
      }

      .page-xocdia88link__promotion-title {
        font-size: 2em;
      }

      .page-xocdia88link__promotion-text {
        font-size: 1em;
      }

      .page-xocdia88link__faq-question {
        padding: 15px 20px;
      }

      .page-xocdia88link__faq-question h3 {
        font-size: 1.1em;
      }

      .page-xocdia88link__faq-toggle {
        font-size: 1.5em;
      }

      .page-xocdia88link__faq-answer {
        padding: 0 20px;
      }
      .page-xocdia88link__faq-item.active .page-xocdia88link__faq-answer {
        padding: 15px 20px !important;
      }

      /* Ensure all images are responsive on mobile */
      .page-xocdia88link__image,
      .page-xocdia88link__feature-icon,
      .page-xocdia88link__step-image,
      .page-xocdia88link__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-xocdia88link__image-wrapper,
      .page-xocdia88link__step-image-wrapper,
      .page-xocdia88link__game-image-wrapper {
          width: 100% !important;
          max-width: 100% !important;
          overflow: hidden !important;
          box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
        .page-xocdia88link__hero-title {
            font-size: 1.8em;
        }
        .page-xocdia88link__section-title {
            font-size: 1.5em;
        }
        .page-xocdia88link__sub-title {
            font-size: 1.3em;
        }
        .page-xocdia88link__hero-button {
            font-size: 1em;
            padding: 10px 20px;
        }
        .page-xocdia88link__floating-button {
            font-size: 1em;
            padding: 12px 15px;
        }
    }