:root {
      --page-rio66iphone-primary-color: #e44d26; /* A vibrant red/orange */
      --page-rio66iphone-secondary-color: #333;
      --page-rio66iphone-accent-color: #f7b731; /* Gold/yellow for highlights */
      --page-rio66iphone-text-color: #333;
      --page-rio66iphone-light-text-color: #fff;
      --page-rio66iphone-background-light: #f9f9f9;
      --page-rio66iphone-background-dark: #222;
      --page-rio66iphone-border-color: #eee;
    }

    .page-rio66iphone {
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      line-height: 1.6;
      color: var(--page-rio66iphone-text-color);
      background-color: var(--page-rio66iphone-background-light);
    }

    .page-rio66iphone__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
      box-sizing: border-box;
    }

    .page-rio66iphone__section--dark {
      background-color: var(--page-rio66iphone-background-dark);
      color: var(--page-rio66iphone-light-text-color);
    }

    .page-rio66iphone__section-title {
      text-align: center;
      font-size: 2.5em;
      margin-bottom: 30px;
      color: var(--page-rio66iphone-primary-color);
      position: relative;
      padding-bottom: 10px;
    }

    .page-rio66iphone__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: var(--page-rio66iphone-accent-color);
      border-radius: 2px;
    }

    .page-rio66iphone__section--dark .page-rio66iphone__section-title {
      color: var(--page-rio66iphone-accent-color);
    }

    .page-rio66iphone__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:iphone,rio66,banner_large]') center center no-repeat;
      background-size: cover;
      color: var(--page-rio66iphone-light-text-color);
      text-align: center;
      padding: 120px 20px 60px; /* Adjusted padding-top for fixed header */
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 500px;
      position: relative;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-rio66iphone__hero-content {
      max-width: 800px;
      z-index: 2;
    }

    .page-rio66iphone__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      color: var(--page-rio66iphone-light-text-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-rio66iphone__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-rio66iphone__cta-button {
      display: inline-block;
      background-color: var(--page-rio66iphone-primary-color);
      color: var(--page-rio66iphone-light-text-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-rio66iphone__cta-button:hover {
      background-color: #c93a1d;
      transform: translateY(-3px);
    }

    .page-rio66iphone__floating-promo-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-rio66iphone-accent-color);
      color: var(--page-rio66iphone-text-color);
      padding: 15px 25px;
      border-radius: 50px;
      font-weight: bold;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      display: flex;
      align-items: center;
      gap: 10px;
      animation: page-rio66iphone-pulse 1.5s infinite;
      border: none;
      cursor: pointer;
      text-decoration: none; /* Ensure it looks like a button but acts like a link */
    }

    .page-rio66iphone__floating-promo-button:hover {
      background-color: #e6a220;
    }

    @keyframes page-rio66iphone-pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    .page-rio66iphone__why-download-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-rio66iphone__why-download-item {
      background-color: #fff;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Ensure padding is included in width */
    }

    .page-rio66iphone__why-download-item:hover {
      transform: translateY(-5px);
    }

    .page-rio66iphone__why-download-icon {
      width: 150px; /* Adjusted to allow larger illustration */
      height: 150px; /* Adjusted to allow larger illustration */
      margin-bottom: 20px;
      display: block;
      margin-left: auto;
      margin-right: auto;
      object-fit: contain;
      max-width: 100%;
      height: auto;
    }

    .page-rio66iphone__why-download-item h3 {
      font-size: 1.5em;
      margin-bottom: 15px;
      color: var(--page-rio66iphone-primary-color);
    }

    .page-rio66iphone__steps-container {
      display: flex;
      flex-direction: column;
      gap: 40px;
      margin-top: 40px;
    }

    .page-rio66iphone__step-item {
      display: flex;
      align-items: center;
      gap: 30px;
      background-color: #fff;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-rio66iphone__step-item:nth-child(even) {
      flex-direction: row-reverse;
    }

    .page-rio66iphone__step-number {
      font-size: 3em;
      font-weight: bold;
      color: var(--page-rio66iphone-accent-color);
      flex-shrink: 0;
      width: 80px;
      text-align: center;
    }

    .page-rio66iphone__step-content {
      flex-grow: 1;
    }

    .page-rio66iphone__step-content h3 {
      font-size: 1.8em;
      margin-bottom: 10px;
      color: var(--page-rio66iphone-primary-color);
    }

    .page-rio66iphone__step-image {
      width: 250px;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      flex-shrink: 0;
      object-fit: cover;
      max-width: 100%;
    }

    .page-rio66iphone__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-rio66iphone__game-card {
      background-color: #fff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-rio66iphone__game-card:hover {
      transform: translateY(-5px);
    }

    .page-rio66iphone__game-card-image {
      width: 100%;
      min-height: 200px; /* Ensure minimum height */
      object-fit: cover;
      display: block;
      max-width: 100%;
    }

    .page-rio66iphone__game-card-content {
      padding: 20px;
    }

    .page-rio66iphone__game-card-content h3 {
      font-size: 1.4em;
      margin-bottom: 10px;
      color: var(--page-rio66iphone-primary-color);
    }

    .page-rio66iphone__promo-banner {
      background-color: var(--page-rio66iphone-primary-color);
      color: var(--page-rio66iphone-light-text-color);
      text-align: center;
      padding: 50px 20px;
      border-radius: 10px;
      margin-top: 40px;
      box-sizing: border-box;
    }

    .page-rio66iphone__promo-banner h2 {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-rio66iphone-light-text-color);
    }

    .page-rio66iphone__promo-banner p {
      font-size: 1.3em;
      margin-bottom: 30px;
    }

    .page-rio66iphone__faq-container {
      margin-top: 40px;
      background-color: #fff;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      padding: 20px;
      box-sizing: border-box;
    }

    .page-rio66iphone__faq-item {
      border-bottom: 1px solid var(--page-rio66iphone-border-color);
      padding: 15px 0;
    }

    .page-rio66iphone__faq-item:last-child {
      border-bottom: none;
    }

    .page-rio66iphone__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      padding: 5px 0;
      color: var(--page-rio66iphone-secondary-color);
    }

    .page-rio66iphone__faq-question h3 {
      font-size: 1.2em;
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-rio66iphone__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-rio66iphone-primary-color);
      width: 25px;
      text-align: center;
      flex-shrink: 0;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-rio66iphone__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-rio66iphone-text-color);
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word; /* Ensure text wraps */
    }

    .page-rio66iphone__faq-item.active .page-rio66iphone__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-rio66iphone__faq-item.active .page-rio66iphone__faq-toggle {
      content: '−';
    }

    .page-rio66iphone__final-cta {
      text-align: center;
      padding: 50px 20px;
      background-color: var(--page-rio66iphone-background-light);
      box-sizing: border-box;
    }

    .page-rio66iphone__final-cta h2 {
      font-size: 2.5em;
      margin-bottom: 20px;
      color: var(--page-rio66iphone-primary-color);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-rio66iphone__hero-section {
        padding-top: 100px; /* Adjusted padding-top for mobile fixed header */
        min-height: 400px;
      }

      .page-rio66iphone__hero-title {
        font-size: 2.5em;
      }

      .page-rio66iphone__hero-description {
        font-size: 1em;
      }

      .page-rio66iphone__section-title {
        font-size: 2em;
      }

      .page-rio66iphone__why-download-grid {
        grid-template-columns: 1fr;
      }

      .page-rio66iphone__why-download-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-rio66iphone__why-download-item h3 {
        font-size: 1.3em;
      }

      .page-rio66iphone__step-item {
        flex-direction: column;
        text-align: center;
        padding: 20px;
      }

      .page-rio66iphone__step-item:nth-child(even) {
        flex-direction: column; /* Reset order for mobile */
      }

      .page-rio66iphone__step-image {
        width: 100% !important;
        max-width: 250px !important; /* Keep image a bit smaller on mobile */
        height: auto !important;
        margin-top: 20px;
        order: 2; /* Image below text on mobile */
      }

      .page-rio66iphone__step-content {
        order: 1; /* Text above image on mobile */
      }

      .page-rio66iphone__step-number {
        margin-bottom: 10px;
      }

      .page-rio66iphone__games-grid {
        grid-template-columns: 1fr;
      }

      .page-rio66iphone__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-rio66iphone__promo-banner h2 {
        font-size: 2em;
      }

      .page-rio66iphone__promo-banner p {
        font-size: 1.1em;
      }

      .page-rio66iphone__floating-promo-button {
        padding: 12px 20px;
        font-size: 0.9em;
        bottom: 15px;
        right: 15px;
      }

      .page-rio66iphone__faq-question h3 {
        font-size: 1.1em;
      }

      .page-rio66iphone__faq-answer {
        padding: 0 10px;
      }

      .page-rio66iphone__faq-item.active .page-rio66iphone__faq-answer {
        padding: 15px 10px !important;
      }

      .page-rio66iphone__final-cta h2 {
        font-size: 2em;
      }

      /* Ensure all images are responsive */
      .page-rio66iphone img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-rio66iphone__why-download-icon {
          width: 100% !important;
          max-width: 150px !important; /* Keep a reasonable size for icons */
          height: auto !important;
      }
      .page-rio66iphone__step-image,
      .page-rio66iphone__game-card-image {
          max-width: 100% !important;
          height: auto !important;
          min-height: auto !important; /* Allow flexibility on mobile */
          box-sizing: border-box !important;
      }
      .page-rio66iphone__faq-container,
      .page-rio66iphone__why-download-grid,
      .page-rio66iphone__steps-container,
      .page-rio66iphone__games-grid {
          width: 100% !important;
          max-width: 100% !important;
          box-sizing: border-box !important;
          padding-left: 0 !important;
          padding-right: 0 !important;
          margin-left: 0 !important;
          margin-right: 0 !important;
      }
      .page-rio66iphone__section {
          padding-left: 15px;
          padding-right: 15px;
      }
    }
    @media (max-width: 480px) {
        .page-rio66iphone__hero-title {
            font-size: 2em;
        }
        .page-rio66iphone__promo-banner h2 {
            font-size: 1.8em;
        }
        .page-rio66iphone__final-cta h2 {
            font-size: 1.8em;
        }
        .page-rio66iphone__cta-button {
            padding: 12px 25px;
            font-size: 1em;
        }
    }