/* Tổng thể */
    .page-iro66install {
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      line-height: 1.6;
      color: #333;
      background-color: #f9f9f9;
      padding: 20px 0;
    }

    .page-iro66install__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-iro66install h1,
    .page-iro66install h2,
    .page-iro66install h3 {
      color: #0056b3; /* Dark blue for headings */
      margin-bottom: 15px;
      line-height: 1.3;
    }

    .page-iro66install h1 {
      font-size: 2.5em;
      text-align: center;
      margin-bottom: 25px;
      color: #e44d26; /* Orange for main title */
    }

    .page-iro66install h2 {
      font-size: 2em;
      border-bottom: 2px solid #eee;
      padding-bottom: 10px;
      margin-top: 40px;
      text-align: center;
    }

    .page-iro66install h3 {
      font-size: 1.5em;
      color: #007bff; /* Blue for subheadings */
    }

    .page-iro66install p {
      margin-bottom: 15px;
      font-size: 1.1em;
    }

    .page-iro66install strong {
      color: #e44d26; /* Orange for emphasis */
    }

    /* Hero Section */
    .page-iro66install__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('[GALLERY:banner:rio66,install,hero]') no-repeat center center/cover;
      color: #fff;
      text-align: center;
      padding: 150px 20px 80px; /* Adjusted padding-top for fixed header */
      margin-bottom: 40px;
      position: relative;
      border-radius: 10px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-iro66install__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5); /* Overlay for text readability */
      z-index: 1;
    }

    .page-iro66install__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-iro66install__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      line-height: 1.2;
      color: #ffd700; /* Gold for hero title */
    }

    .page-iro66install__hero-description {
      font-size: 1.4em;
      margin-bottom: 30px;
      color: #f0f0f0;
    }

    .page-iro66install__cta-button {
      display: inline-block;
      background-color: #e44d26; /* Orange */
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-iro66install__cta-button:hover {
      background-color: #ff6f40;
      transform: translateY(-3px);
    }

    /* Floating Promotion Button */
    .page-iro66install__floating-promo-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #28a745; /* Green */
      color: #fff;
      padding: 15px 25px;
      border-radius: 30px;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      display: flex;
      align-items: center;
      gap: 10px;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-iro66install__floating-promo-button:hover {
      background-color: #218838;
      transform: translateY(-2px);
    }
    
    .page-iro66install__floating-promo-button .icon {
        font-size: 1.5em;
    }

    /* Section Styling */
    .page-iro66install__section {
      background-color: #fff;
      padding: 30px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-iro66install__feature-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-iro66install__feature-item {
      background-color: #f0f8ff; /* Light blue */
      padding: 25px;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-iro66install__feature-item:hover {
      transform: translateY(-5px);
    }

    .page-iro66install__feature-icon {
      margin-bottom: 15px;
      width: 100px; /* Min size 200x200px, but icon itself can be smaller in design */
      height: 100px;
      object-fit: contain;
      max-width: 100%;
      height: auto;
    }

    .page-iro66install__installation-steps {
      display: grid;
      grid-template-columns: 1fr;
      gap: 30px;
    }

    .page-iro66install__step-card {
      background-color: #fcfcfc;
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 1px 8px rgba(0, 0, 0, 0.07);
      box-sizing: border-box;
    }

    .page-iro66install__step-card h3 {
      color: #e44d26;
      margin-top: 0;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-iro66install__step-card ol {
      padding-left: 20px;
      margin-top: 15px;
    }

    .page-iro66install__step-card li {
      margin-bottom: 10px;
      font-size: 1.05em;
      color: #555;
    }

    .page-iro66install__step-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-top: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      object-fit: cover;
    }

    .page-iro66install__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      padding: 0;
      list-style: none;
    }

    .page-iro66install__game-item {
      background-color: #fff;
      border: 1px solid #ddd;
      border-radius: 8px;
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-iro66install__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .page-iro66install__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-iro66install__game-title {
      font-size: 1.3em;
      color: #0056b3;
      padding: 15px;
      margin: 0;
    }

    /* FAQ Section */
    .page-iro66install__faq-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-iro66install__faq-item {
      background-color: #fdfdfd;
      border: 1px solid #eee;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-iro66install__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px;
      background-color: #eaf6ff; /* Light blue background for questions */
      cursor: pointer;
      font-weight: bold;
      color: #0056b3;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-iro66install__faq-question:hover {
      background-color: #dbeeff;
    }

    .page-iro66install__faq-question h3 {
        margin: 0;
        color: #0056b3;
        font-size: 1.2em;
        pointer-events: none; /* Prevent h3 from intercepting click */
    }

    .page-iro66install__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      color: #e44d26;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from intercepting click */
    }

    .page-iro66install__faq-item.active .page-iro66install__faq-toggle {
      transform: rotate(45deg); /* Plus to X (minus) */
    }

    .page-iro66install__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Initial padding */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #555;
    }

    .page-iro66install__faq-item.active .page-iro66install__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 20px !important; /* Expanded padding */
      opacity: 1;
    }

    .page-iro66install__faq-answer p {
      margin-bottom: 0;
    }

    /* Call to Action Section */
    .page-iro66install__cta-section {
      text-align: center;
      padding: 40px 20px;
      background-color: #007bff; /* Blue */
      color: #fff;
      border-radius: 8px;
      margin-top: 40px;
      box-sizing: border-box;
    }

    .page-iro66install__cta-section h2 {
      color: #fff;
      border-bottom: none;
      margin-top: 0;
      margin-bottom: 20px;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-iro66install__hero-section {
        padding-top: 120px; /* Adjusted for mobile fixed header */
        padding-bottom: 60px;
      }

      .page-iro66install__hero-title {
        font-size: 2.2em;
      }

      .page-iro66install__hero-description {
        font-size: 1.1em;
      }

      .page-iro66install h1 {
        font-size: 2em;
      }

      .page-iro66install h2 {
        font-size: 1.6em;
        margin-top: 30px;
      }

      .page-iro66install h3 {
        font-size: 1.3em;
      }

      .page-iro66install p {
        font-size: 1em;
      }

      .page-iro66install__floating-promo-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-iro66install__section {
        padding: 20px;
        margin-bottom: 20px;
      }

      .page-iro66install__feature-list,
      .page-iro66install__game-categories {
        grid-template-columns: 1fr;
        gap: 15px;
      }

      /* List item mobile responsiveness */
      .page-iro66install__feature-item,
      .page-iro66install__game-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 15px !important; /* Adjust padding for mobile */
      }

      .page-iro66install__feature-list,
      .page-iro66install__game-categories,
      .page-iro66install__installation-steps,
      .page-iro66install__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important; /* Ensure no extra padding on container */
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-iro66install__step-card ol,
      .page-iro66install__faq-answer {
        padding-left: 15px !important;
        padding-right: 15px !important;
      }

      .page-iro66install__faq-question {
        padding: 15px;
      }

      .page-iro66install__faq-question h3 {
          font-size: 1.1em;
      }

      .page-iro66install__faq-answer p {
          word-wrap: break-word !important;
          overflow-wrap: break-word !important;
          word-break: break-word !important;
      }

      /* Image responsiveness */
      .page-iro66install__step-image,
      .page-iro66install__feature-icon,
      .page-iro66install__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        display: block !important;
        margin-left: auto !important;
        margin-right: auto !important;
      }
    }

    @media (max-width: 480px) {
        .page-iro66install__hero-title {
            font-size: 1.8em;
        }
        .page-iro66install__hero-description {
            font-size: 1em;
        }
        .page-iro66install__cta-button {
            padding: 12px 25px;
            font-size: 1.1em;
        }
        .page-iro66install__floating-promo-button {
            padding: 10px 15px;
            font-size: 0.9em;
        }
    }