:root {
      --page-rio66download-primary-color: #f7b32b; /* Vàng cam */
      --page-rio66download-secondary-color: #333; /* Xám đen */
      --page-rio66download-accent-color: #e74c3c; /* Đỏ */
      --page-rio66download-background-light: #f9f9f9;
      --page-rio66download-text-dark: #333;
      --page-rio66download-text-light: #fff;
      --page-rio66download-border-color: #eee;
    }

    .page-rio66download {
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      line-height: 1.6;
      color: var(--page-rio66download-text-dark);
      background-color: var(--page-rio66download-background-light);
      padding-bottom: 80px; /* Space for fixed CTA */
    }

    .page-rio66download__hero-section {
      position: relative;
      width: 100%;
      min-height: 300px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: var(--page-rio66download-text-light);
      overflow: hidden;
      padding-top: 10px; /* Fixed nav bar spacing */
      box-sizing: border-box;
    }

    .page-rio66download__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      max-width: 100%;
      height: auto;
      filter: brightness(0.6); /* Làm tối ảnh nền để chữ nổi bật */
    }

    .page-rio66download__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      max-width: 90%;
    }

    .page-rio66download__hero-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      font-weight: 700;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      color: var(--page-rio66download-text-light);
    }

    .page-rio66download__hero-description {
      font-size: 1.1em;
      margin-bottom: 25px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
      color: var(--page-rio66download-text-light);
    }

    .page-rio66download__button {
      display: inline-block;
      background-color: var(--page-rio66download-primary-color);
      color: var(--page-rio66download-text-light);
      padding: 12px 30px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: 700;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-rio66download__button:hover {
      background-color: #e09a1f;
      transform: translateY(-2px);
    }

    .page-rio66download__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      background-color: var(--page-rio66download-text-light);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
      margin-top: 20px;
    }

    .page-rio66download__section-title {
      font-size: 2em;
      color: var(--page-rio66download-secondary-color);
      text-align: center;
      margin-bottom: 30px;
      font-weight: 700;
    }

    .page-rio66download__section-subtitle {
      font-size: 1.5em;
      color: var(--page-rio66download-primary-color);
      margin-top: 25px;
      margin-bottom: 15px;
      font-weight: 600;
    }

    .page-rio66download__download-steps {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
    }

    .page-rio66download__download-card {
      background-color: var(--page-rio66download-background-light);
      border-radius: 8px;
      padding: 25px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
      text-align: center;
      flex: 1 1 calc(50% - 20px);
      max-width: calc(50% - 20px);
      box-sizing: border-box;
      border: 1px solid var(--page-rio66download-border-color);
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-rio66download__download-card-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      max-width: 100%;
      height: auto;
    }

    .page-rio66download__download-card-title {
      font-size: 1.3em;
      color: var(--page-rio66download-primary-color);
      margin-bottom: 15px;
      font-weight: 600;
    }

    .page-rio66download__step-list {
      list-style: none;
      padding: 0;
      margin: 0;
      text-align: left;
      width: 100%;
    }

    .page-rio66download__step-item {
      display: flex;
      align-items: flex-start;
      margin-bottom: 15px;
      padding: 10px 0;
      border-bottom: 1px dashed var(--page-rio66download-border-color);
      box-sizing: border-box;
      width: 100%;
    }

    .page-rio66download__step-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }

    .page-rio66download__step-number {
      background-color: var(--page-rio66download-primary-color);
      color: var(--page-rio66download-text-light);
      border-radius: 50%;
      width: 30px;
      height: 30px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin-right: 15px;
      flex-shrink: 0;
    }

    .page-rio66download__step-text {
      flex-grow: 1;
      font-size: 1em;
      color: var(--page-rio66download-secondary-color);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-rio66download__step-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-top: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .page-rio66download__game-showcase-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }

    .page-rio66download__game-card {
      background-color: var(--page-rio66download-background-light);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      text-align: center;
      transition: transform 0.2s ease;
      border: 1px solid var(--page-rio66download-border-color);
    }

    .page-rio66download__game-card:hover {
      transform: translateY(-5px);
    }

    .page-rio66download__game-card-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
      max-width: 100%;
      height: auto;
    }

    .page-rio66download__game-card-title {
      font-size: 1.2em;
      color: var(--page-rio66download-secondary-color);
      padding: 15px;
      font-weight: 600;
    }

    .page-rio66download__why-choose-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .page-rio66download__why-choose-item {
      background-color: var(--page-rio66download-background-light);
      border-left: 5px solid var(--page-rio66download-primary-color);
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
      width: 100%;
    }

    .page-rio66download__why-choose-title {
      font-size: 1.2em;
      color: var(--page-rio66download-primary-color);
      margin-bottom: 10px;
      font-weight: 600;
    }

    .page-rio66download__why-choose-text {
      font-size: 0.95em;
      color: var(--page-rio66download-text-dark);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-rio66download__faq-section {
      background-color: var(--page-rio66download-text-light);
      padding: 40px 20px;
      max-width: 1200px;
      margin: 20px auto;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    }

    .page-rio66download__faq-item {
      border: 1px solid var(--page-rio66download-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
    }

    .page-rio66download__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-rio66download-background-light);
      color: var(--page-rio66download-secondary-color);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-rio66download__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-rio66download__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      font-weight: 600;
      pointer-events: none; /* Prevent h3 from blocking click event */
      word-wrap: break-word;
      overflow-wrap: break-word;
      max-width: calc(100% - 40px); /* Adjust for toggle icon */
    }

    .page-rio66download__faq-toggle {
      font-size: 1.5em;
      font-weight: 700;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      color: var(--page-rio66download-primary-color);
    }

    .page-rio66download__faq-item.active .page-rio66download__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-rio66download__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: var(--page-rio66download-text-light);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: var(--page-rio66download-text-dark);
    }

    .page-rio66download__faq-item.active .page-rio66download__faq-answer {
      max-height: 2000px !important; /* Use !important as required */
      padding: 20px !important; /* Use !important as required */
      opacity: 1;
    }

    .page-rio66download__cta-section {
      text-align: center;
      padding: 40px 20px;
      background-color: var(--page-rio66download-primary-color);
      color: var(--page-rio66download-text-light);
      margin-top: 20px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-rio66download__cta-title {
      font-size: 2em;
      margin-bottom: 20px;
      font-weight: 700;
      color: var(--page-rio66download-text-light);
    }

    .page-rio66download__cta-fixed {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: var(--page-rio66download-accent-color);
      color: var(--page-rio66download-text-light);
      padding: 15px 20px;
      text-align: center;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
      z-index: 1000;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 15px;
      flex-wrap: wrap;
    }

    .page-rio66download__cta-fixed-text {
      font-size: 1.1em;
      font-weight: 600;
      margin: 0;
      line-height: 1.2;
      color: var(--page-rio66download-text-light);
    }

    .page-rio66download__cta-fixed-button {
      background-color: var(--page-rio66download-primary-color);
      color: var(--page-rio66download-text-light);
      padding: 10px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: 700;
      font-size: 1em;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-rio66download__cta-fixed-button:hover {
      background-color: #e09a1f;
    }

    @media (max-width: 768px) {
      .page-rio66download__hero-title {
        font-size: 1.8em;
      }

      .page-rio66download__hero-description {
        font-size: 1em;
      }

      .page-rio66download__section {
        padding: 30px 15px;
        margin-top: 15px;
      }

      .page-rio66download__section-title {
        font-size: 1.7em;
        margin-bottom: 20px;
      }

      .page-rio66download__section-subtitle {
        font-size: 1.3em;
        margin-top: 20px;
        margin-bottom: 10px;
      }

      .page-rio66download__download-card {
        flex: 1 1 100%;
        max-width: 100%;
        padding: 20px;
      }

      .page-rio66download__step-item {
        width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
      }

      .page-rio66download__game-card-image {
        height: 150px;
      }

      .page-rio66download__why-choose-list {
        grid-template-columns: 1fr;
      }

      .page-rio66download__why-choose-item {
        width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 15px;
        padding-right: 15px;
      }

      .page-rio66download__faq-question {
        padding: 12px 15px;
      }

      .page-rio66download__faq-question h3 {
        font-size: 1em;
        max-width: calc(100% - 30px);
      }

      .page-rio66download__faq-answer {
        padding: 0 15px;
      }

      .page-rio66download__faq-item.active .page-rio66download__faq-answer {
        padding: 15px !important;
      }

      .page-rio66download__cta-title {
        font-size: 1.7em;
      }

      .page-rio66download__cta-fixed {
        flex-direction: column;
        gap: 10px;
        padding: 10px;
      }

      .page-rio66download__cta-fixed-text {
        font-size: 0.95em;
      }

      .page-rio66download__cta-fixed-button {
        width: 90%;
        padding: 10px 0;
      }
    }