:root {
      --page-yo88ios-primary-color: #007bff; /* Xanh dương */
      --page-yo88ios-secondary-color: #6c757d; /* Xám */
      --page-yo88ios-accent-color: #ffc107; /* Vàng */
      --page-yo88ios-text-color: #343a40; /* Đen đậm */
      --page-yo88ios-light-text-color: #ffffff; /* Trắng */
      --page-yo88ios-bg-light: #f8f9fa; /* Nền sáng */
      --page-yo88ios-bg-dark: #212529; /* Nền tối */
      --page-yo88ios-border-color: #dee2e6; /* Màu viền */
      --page-yo88ios-box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    }

    .page-yo88ios {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-yo88ios-text-color);
      background-color: var(--page-yo88ios-bg-light);
    }

    .page-yo88ios__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-yo88ios-light-text-color);
      border-radius: 8px;
      box-shadow: var(--page-yo88ios-box-shadow);
    }

    .page-yo88ios__section--dark {
      background-color: var(--page-yo88ios-bg-dark);
      color: var(--page-yo88ios-light-text-color);
    }

    .page-yo88ios__section-title {
      font-size: 2.5em;
      color: var(--page-yo88ios-primary-color);
      text-align: center;
      margin-bottom: 30px;
      font-weight: bold;
    }

    .page-yo88ios__section--dark .page-yo88ios__section-title {
      color: var(--page-yo88ios-accent-color);
    }

    .page-yo88ios__text-center {
      text-align: center;
    }

    /* Hero Section */
    .page-yo88ios__hero-section {
      position: relative;
      overflow: hidden;
      padding-top: 10px; /* Clear fixed header */
      padding-bottom: 60px;
      background-color: var(--page-yo88ios-bg-dark);
      color: var(--page-yo88ios-light-text-color);
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .page-yo88ios__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-yo88ios__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    .page-yo88ios__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      color: var(--page-yo88ios-accent-color);
      line-height: 1.2;
    }

    .page-yo88ios__hero-description {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto 30px auto;
      color: var(--page-yo88ios-light-text-color);
    }

    .page-yo88ios__button {
      display: inline-block;
      padding: 15px 30px;
      background-color: var(--page-yo88ios-accent-color);
      color: var(--page-yo88ios-bg-dark);
      text-decoration: none;
      border-radius: 50px;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-yo88ios__button:hover {
      background-color: #ffda6a;
      transform: translateY(-2px);
    }

    /* Floating CTA Button */
    .page-yo88ios__floating-cta {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #dc3545; /* Đỏ rực rỡ */
      color: var(--page-yo88ios-light-text-color);
      padding: 15px 25px;
      border-radius: 30px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      font-weight: bold;
      font-size: 1.1em;
      z-index: 1000;
      animation: page-yo88ios__pulse 2s infinite;
      cursor: pointer;
      border: none;
      text-align: center;
      max-width: 90%;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .page-yo88ios__floating-cta:hover {
      background-color: #c82333;
    }

    @keyframes page-yo88ios__pulse {
      0% {
        transform: translateX(-50%) scale(1);
      }
      50% {
        transform: translateX(-50%) scale(1.05);
      }
      100% {
        transform: translateX(-50%) scale(1);
      }
    }

    /* Why Choose Section */
    .page-yo88ios__feature-list {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
      padding: 0;
      list-style: none;
    }

    .page-yo88ios__feature-item {
      flex: 1 1 calc(33% - 20px);
      background-color: var(--page-yo88ios-bg-light);
      padding: 25px;
      border-radius: 8px;
      box-shadow: var(--page-yo88ios-box-shadow);
      text-align: center;
      min-width: 280px;
      box-sizing: border-box;
    }

    .page-yo88ios__feature-item-title {
      font-size: 1.5em;
      color: var(--page-yo88ios-primary-color);
      margin-bottom: 15px;
    }

    .page-yo88ios__feature-item-description {
      font-size: 1em;
      color: var(--page-yo88ios-secondary-color);
    }

    /* How to Download Section */
    .page-yo88ios__steps-list {
      display: flex;
      flex-direction: column;
      gap: 30px;
      list-style: none;
      padding: 0;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-yo88ios__step-item {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      background-color: var(--page-yo88ios-bg-light);
      padding: 25px;
      border-radius: 8px;
      box-shadow: var(--page-yo88ios-box-shadow);
      box-sizing: border-box;
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
    }

    .page-yo88ios__step-number {
      flex-shrink: 0;
      width: 40px;
      height: 40px;
      background-color: var(--page-yo88ios-primary-color);
      color: var(--page-yo88ios-light-text-color);
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 1.5em;
      font-weight: bold;
    }

    .page-yo88ios__step-content {
      flex-grow: 1;
    }

    .page-yo88ios__step-title {
      font-size: 1.4em;
      color: var(--page-yo88ios-primary-color);
      margin-bottom: 10px;
    }

    .page-yo88ios__step-description {
      font-size: 1em;
      color: var(--page-yo88ios-text-color);
    }

    .page-yo88ios__step-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-top: 15px;
      text-align: center;
    }

    .page-yo88ios__step-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
    }

    /* Game Categories Section */
    .page-yo88ios__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      padding: 0;
      list-style: none;
      justify-items: center;
    }

    .page-yo88ios__game-card {
      background-color: var(--page-yo88ios-bg-light);
      border-radius: 8px;
      box-shadow: var(--page-yo88ios-box-shadow);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box;
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
    }

    .page-yo88ios__game-card:hover {
      transform: translateY(-5px);
    }

    .page-yo88ios__game-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-yo88ios__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-yo88ios__game-content {
      padding: 20px;
    }

    .page-yo88ios__game-title {
      font-size: 1.3em;
      color: var(--page-yo88ios-primary-color);
      margin-bottom: 10px;
    }

    .page-yo88ios__game-description {
      font-size: 0.95em;
      color: var(--page-yo88ios-secondary-color);
    }

    /* Promotions Section */
    .page-yo88ios__promo-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      padding: 0;
      list-style: none;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-yo88ios__promo-item {
      background-color: var(--page-yo88ios-bg-light);
      padding: 25px;
      border-left: 5px solid var(--page-yo88ios-accent-color);
      border-radius: 8px;
      box-shadow: var(--page-yo88ios-box-shadow);
      box-sizing: border-box;
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
    }

    .page-yo88ios__promo-title {
      font-size: 1.4em;
      color: var(--page-yo88ios-primary-color);
      margin-bottom: 10px;
    }

    .page-yo88ios__promo-description {
      font-size: 1em;
      color: var(--page-yo88ios-text-color);
    }

    /* FAQ Section */
    .page-yo88ios__faq-container {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-yo88ios__faq-item {
      background-color: var(--page-yo88ios-bg-light);
      border: 1px solid var(--page-yo88ios-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: var(--page-yo88ios-box-shadow);
    }

    .page-yo88ios__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 25px;
      cursor: pointer;
      background-color: var(--page-yo88ios-primary-color);
      color: var(--page-yo88ios-light-text-color);
      font-size: 1.2em;
      font-weight: bold;
      user-select: none;
      transition: background-color 0.3s ease;
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
    }

    .page-yo88ios__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      pointer-events: none; /* Prevent h3 from blocking click */
      color: var(--page-yo88ios-light-text-color); /* Ensure color contrast */
    }

    .page-yo88ios__faq-question:hover {
      background-color: #0056b3;
    }

    .page-yo88ios__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-yo88ios__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      background-color: var(--page-yo88ios-bg-light);
      color: var(--page-yo88ios-text-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-yo88ios__faq-answer p {
      margin-bottom: 15px;
      padding-top: 10px;
      padding-bottom: 10px;
    }

    .page-yo88ios__faq-item.active .page-yo88ios__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-yo88ios__faq-item.active .page-yo88ios__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    /* Final CTA Section */
    .page-yo88ios__final-cta-section {
      text-align: center;
      padding: 50px 20px;
      background-color: var(--page-yo88ios-primary-color);
      color: var(--page-yo88ios-light-text-color);
      border-radius: 8px;
      margin-top: 40px;
    }

    .page-yo88ios__final-cta-title {
      font-size: 2.2em;
      margin-bottom: 25px;
      color: var(--page-yo88ios-accent-color);
    }

    .page-yo88ios__final-cta-description {
      font-size: 1.1em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-yo88ios__hero-title {
        font-size: 2.5em;
      }
      .page-yo88ios__section-title {
        font-size: 2em;
      }
      .page-yo88ios__feature-item {
        flex: 1 1 calc(50% - 20px);
      }
    }

    @media (max-width: 768px) {
      .page-yo88ios__hero-section {
        padding-top: 10px !important; /* Ensure clear fixed header on mobile */
      }
      .page-yo88ios__hero-title {
        font-size: 2em;
      }
      .page-yo88ios__hero-description {
        font-size: 1em;
      }
      .page-yo88ios__section {
        padding: 30px 15px;
      }
      .page-yo88ios__section-title {
        font-size: 1.8em;
      }
      .page-yo88ios__feature-item {
        flex: 1 1 100% !important;
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
        padding: 20px !important;
      }
      .page-yo88ios__feature-list {
        flex-direction: column;
        gap: 15px;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-yo88ios__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
        padding: 20px !important;
      }
      .page-yo88ios__step-number {
        margin-bottom: 15px;
      }
      .page-yo88ios__step-content {
        width: 100%;
      }
      .page-yo88ios__steps-list {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-yo88ios__game-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-yo88ios__game-card {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-yo88ios__game-image-wrapper, .page-yo88ios__game-image {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-yo88ios__promo-list {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-yo88ios__promo-item {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
        padding: 20px !important;
      }

      .page-yo88ios__faq-container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-yo88ios__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-yo88ios__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }
      .page-yo88ios__faq-question h3 {
        font-size: 1.1em;
      }
      .page-yo88ios__faq-toggle {
        font-size: 1.5em;
      }
      .page-yo88ios__faq-answer {
        padding: 0 20px;
      }
      .page-yo88ios__faq-item.active .page-yo88ios__faq-answer {
        padding: 15px 20px !important;
      }

      .page-yo88ios__final-cta-title {
        font-size: 1.8em;
      }
      .page-yo88ios__final-cta-description {
        font-size: 1em;
      }
      .page-yo88ios__floating-cta {
        font-size: 1em;
        padding: 12px 20px;
      }
      .page-yo88ios__button {
        padding: 12px 25px;
        font-size: 1em;
      }
    }

    @media (max-width: 480px) {
      .page-yo88ios__hero-title {
        font-size: 1.8em;
      }
      .page-yo88ios__section-title {
        font-size: 1.6em;
      }
      .page-yo88ios__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }
      .page-yo88ios__faq-question h3 {
        font-size: 1em;
      }
      .page-yo88ios__faq-answer {
        padding: 0 15px;
      }
      .page-yo88ios__faq-item.active .page-yo88ios__faq-answer {
        padding: 10px 15px !important;
      }
    }