:root {
      --page-gamebai-primary-color: #f7931e; /* Màu cam */
      --page-gamebai-secondary-color: #e0600e; /* Cam đậm hơn */
      --page-gamebai-accent-color: #4CAF50; /* Xanh lá */
      --page-gamebai-text-color: #333;
      --page-gamebai-light-text-color: #fff;
      --page-gamebai-bg-color: #f4f7f6;
      --page-gamebai-card-bg: #ffffff;
      --page-gamebai-border-color: #eee;
    }

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

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

    .page-gamebai__hero-section {
      text-align: center;
      padding: 10px 0 40px; /* Thêm padding-top để tránh bị che bởi header cố định */
      background: linear-gradient(135deg, var(--page-gamebai-primary-color), var(--page-gamebai-secondary-color));
      color: var(--page-gamebai-light-text-color);
      position: relative;
      overflow: hidden;
      margin-bottom: 30px;
    }

    .page-gamebai__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-gamebai__hero-content {
      position: relative;
      z-index: 2;
      padding: 0 20px;
    }

    .page-gamebai__hero-section h1 {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-gamebai-light-text-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
      line-height: 1.2;
    }

    .page-gamebai__hero-section p {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: #f0f0f0;
    }

    .page-gamebai__cta-button {
      display: inline-block;
      background-color: var(--page-gamebai-accent-color);
      color: var(--page-gamebai-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;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .page-gamebai__cta-button:hover {
      background-color: #45a049;
      transform: translateY(-3px);
    }

    .page-gamebai__floating-promo {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      display: none; /* Mặc định ẩn trên desktop */
    }

    .page-gamebai__floating-promo .page-gamebai__cta-button {
      padding: 12px 25px;
      font-size: 1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-gamebai__section-title {
      font-size: 2em;
      color: var(--page-gamebai-secondary-color);
      text-align: center;
      margin-bottom: 40px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-gamebai__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-gamebai-primary-color);
      border-radius: 2px;
    }

    .page-gamebai__introduction,
    .page-gamebai__advantages,
    .page-gamebai__registration-guide,
    .page-gamebai__tips-section,
    .page-gamebai__final-cta {
      background-color: var(--page-gamebai-card-bg);
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      padding: 30px;
      margin-bottom: 30px;
    }

    .page-gamebai__introduction p,
    .page-gamebai__advantages ul,
    .page-gamebai__registration-guide ol,
    .page-gamebai__tips-section p {
      font-size: 1.1em;
      line-height: 1.8;
      margin-bottom: 15px;
    }

    .page-gamebai__game-categories {
      margin-bottom: 30px;
    }

    .page-gamebai__categories-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      text-align: center;
    }

    .page-gamebai__category-item {
      background-color: var(--page-gamebai-card-bg);
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 250px; /* Đảm bảo đủ không gian cho hình ảnh */
    }

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

    .page-gamebai__category-item img {
      width: 100%;
      max-width: 200px; /* Đảm bảo kích thước tối thiểu 200px */
      height: 200px; /* Đảm bảo kích thước tối thiểu 200px */
      object-fit: contain; /* Giữ nguyên tỷ lệ ảnh */
      margin-bottom: 15px;
      border-radius: 5px;
    }

    .page-gamebai__category-item h3 {
      font-size: 1.2em;
      color: var(--page-gamebai-primary-color);
      margin: 0;
    }

    .page-gamebai__top-games {
      margin-bottom: 30px;
    }

    .page-gamebai__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .page-gamebai__game-card {
      background-color: var(--page-gamebai-card-bg);
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
      overflow: hidden;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
    }

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

    .page-gamebai__game-card-image {
      width: 100%;
      max-width: 100%;
      height: 250px;
      object-fit: cover;
      display: block;
    }

    .page-gamebai__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .page-gamebai__game-card-content h3 {
      font-size: 1.4em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-gamebai-secondary-color);
    }

    .page-gamebai__game-card-content h3 a {
      color: var(--page-gamebai-secondary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-gamebai__game-card-content h3 a:hover {
      color: var(--page-gamebai-primary-color);
    }

    .page-gamebai__game-card-content p {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .page-gamebai__game-card-button {
      display: inline-block;
      background-color: var(--page-gamebai-primary-color);
      color: var(--page-gamebai-light-text-color);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      text-align: center;
      transition: background-color 0.3s ease;
    }

    .page-gamebai__game-card-button:hover {
      background-color: var(--page-gamebai-secondary-color);
    }

    .page-gamebai__advantages ul,
    .page-gamebai__registration-guide ol {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-gamebai__advantages li,
    .page-gamebai__registration-guide li {
      background-color: #f9f9f9;
      border-left: 5px solid var(--page-gamebai-primary-color);
      padding: 15px 20px;
      margin-bottom: 10px;
      border-radius: 5px;
      font-size: 1.05em;
      color: #555;
      display: flex;
      align-items: center;
    }

    .page-gamebai__advantages li::before {
      content: '✓';
      color: var(--page-gamebai-accent-color);
      font-weight: bold;
      margin-right: 10px;
      font-size: 1.2em;
    }

    .page-gamebai__registration-guide li {
      border-left-color: var(--page-gamebai-accent-color);
    }

    .page-gamebai__registration-guide li::before {
      content: counter(step-counter);
      counter-increment: step-counter;
      background-color: var(--page-gamebai-primary-color);
      color: var(--page-gamebai-light-text-color);
      width: 25px;
      height: 25px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9em;
      font-weight: bold;
      margin-right: 10px;
      flex-shrink: 0;
    }

    .page-gamebai__promotion-banner {
      background: url('[GALLERY:banner:khuyenmai,doithuong,188k]') no-repeat center center/cover;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      padding: 40px 20px;
      text-align: center;
      color: var(--page-gamebai-light-text-color);
      margin-bottom: 30px;
      position: relative;
      overflow: hidden;
      min-height: 250px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .page-gamebai__promotion-banner::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-color: rgba(0, 0, 0, 0.5); /* Lớp phủ tối */
      z-index: 1;
    }

    .page-gamebai__promotion-content {
      position: relative;
      z-index: 2;
    }

    .page-gamebai__promotion-banner h2 {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: var(--page-gamebai-light-text-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
    }

    .page-gamebai__promotion-banner p {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: #f0f0f0;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* FAQ Section */
    .page-gamebai__faq-section {
      background-color: var(--page-gamebai-card-bg);
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      padding: 30px;
      margin-bottom: 30px;
    }

    .page-gamebai__faq-item {
      border-bottom: 1px solid var(--page-gamebai-border-color);
      margin-bottom: 10px;
      padding-bottom: 10px;
    }

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

    .page-gamebai__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      padding: 15px 0;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-gamebai__faq-question:hover {
      background-color: #f9f9f9;
    }

    .page-gamebai__faq-question h3 {
      font-size: 1.2em;
      color: var(--page-gamebai-text-color);
      margin: 0;
      pointer-events: none; /* Ngăn chặn sự kiện click trên H3 */
    }

    .page-gamebai__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-gamebai-primary-color);
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn sự kiện click trên toggle icon */
    }

    .page-gamebai__faq-item.active .page-gamebai__faq-toggle {
      transform: rotate(45deg);
      color: var(--page-gamebai-secondary-color);
    }

    .page-gamebai__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: #555;
      font-size: 1.05em;
    }

    .page-gamebai__faq-item.active .page-gamebai__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Final CTA */
    .page-gamebai__final-cta {
      text-align: center;
      padding: 40px 30px;
      background: linear-gradient(135deg, var(--page-gamebai-secondary-color), var(--page-gamebai-primary-color));
      color: var(--page-gamebai-light-text-color);
    }

    .page-gamebai__final-cta h2 {
      color: var(--page-gamebai-light-text-color);
      font-size: 2.2em;
      margin-bottom: 20px;
    }

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

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

      .page-gamebai__hero-section {
        padding: 10px 0 30px; /* Adjust padding for mobile fixed header */
      }

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

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

      .page-gamebai__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-gamebai__floating-promo {
        display: block; /* Hiển thị trên mobile */
      }

      .page-gamebai__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
      }

      .page-gamebai__introduction,
      .page-gamebai__advantages,
      .page-gamebai__registration-guide,
      .page-gamebai__tips-section,
      .page-gamebai__faq-section,
      .page-gamebai__final-cta {
        padding: 20px;
      }

      .page-gamebai__introduction p,
      .page-gamebai__advantages ul,
      .page-gamebai__registration-guide ol,
      .page-gamebai__tips-section p,
      .page-gamebai__faq-answer {
        font-size: 0.95em;
      }

      .page-gamebai__game-categories-grid,
      .page-gamebai__games-grid {
        grid-template-columns: 1fr;
      }

      .page-gamebai__category-item {
        padding: 15px;
      }

      .page-gamebai__category-item img {
        max-width: 150px;
        height: 150px;
      }

      .page-gamebai__game-card-content h3 {
        font-size: 1.2em;
      }

      .page-gamebai__game-card-content p {
        font-size: 0.9em;
      }

      .page-gamebai__promotion-banner {
        padding: 30px 15px;
        min-height: 200px;
      }

      .page-gamebai__promotion-banner h2 {
        font-size: 1.8em;
      }

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

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

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

      .page-gamebai__final-cta h2 {
        font-size: 1.8em;
      }

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

      /* Image responsive optimization for all images */
      .page-gamebai img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-gamebai__hero-image,
      .page-gamebai__category-item img,
      .page-gamebai__game-card-image {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        object-fit: contain !important; /* Changed to contain for general safety */
      }
      .page-gamebai__category-item img {
        height: 150px !important; /* Maintain a minimum height for category images */
      }
      .page-gamebai__game-card-image {
        height: 200px !important; /* Maintain a minimum height for game cards */
      }
      .page-gamebai__promotion-banner {
        background-size: contain !important; /* Ensure banner image scales properly */
      }
    }

    @media (max-width: 480px) {
      .page-gamebai__hero-section h1 {
        font-size: 1.8em;
      }
      .page-gamebai__section-title {
        font-size: 1.6em;
      }
      .page-gamebai__promotion-banner h2 {
        font-size: 1.5em;
      }
      .page-gamebai__promotion-banner p {
        font-size: 0.95em;
      }
      .page-gamebai__final-cta h2 {
        font-size: 1.6em;
      }
    }