:root {
      --page-b52game__primary-color: #f7b32c; /* Màu vàng cam */
      --page-b52game__secondary-color: #2c3e50; /* Màu xanh đen */
      --page-b52game__accent-color: #e74c3c; /* Màu đỏ */
      --page-b52game__text-color-light: #ecf0f1; /* Màu xám nhạt */
      --page-b52game__text-color-dark: #34495e; /* Màu xanh đậm */
      --page-b52game__background-dark: #1a1a2e; /* Nền tối */
      --page-b52game__background-light: #f4f4f4; /* Nền sáng */
    }

    .page-b52game {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-b52game__text-color-dark);
      background-color: var(--page-b52game__background-light);
    }

    .page-b52game__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-b52game__hero-section {
      position: relative;
      width: 100%;
      text-align: center;
      padding-top: 10px; /* Adjust for fixed header */
      padding-bottom: 40px;
      background-color: var(--page-b52game__background-dark);
      color: var(--page-b52game__text-color-light);
      overflow: hidden;
    }

    .page-b52game__hero-banner {
      width: 100%;
      height: auto;
      max-width: 100%;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-b52game__hero-content {
      position: relative;
      z-index: 10;
      padding: 20px;
      margin-top: 20px;
    }

    .page-b52game__main-heading {
      font-size: 2.5em;
      color: var(--page-b52game__primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
      font-weight: bold;
    }

    .page-b52game__sub-heading {
      font-size: 1.2em;
      color: var(--page-b52game__text-color-light);
      margin-bottom: 30px;
    }

    .page-b52game__floating-button-wrapper {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
    }

    .page-b52game__floating-button {
      background-image: linear-gradient(45deg, var(--page-b52game__primary-color) 0%, var(--page-b52game__accent-color) 100%);
      color: var(--page-b52game__text-color-light);
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-align: center;
      cursor: pointer;
      box-shadow: 0 8px 15px rgba(0, 0, 0, 0.4);
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-block;
      white-space: nowrap;
    }

    .page-b52game__floating-button:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 20px rgba(0, 0, 0, 0.5);
    }

    .page-b52game__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-b52game__background-light);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    }

    .page-b52game__section-dark {
      background-color: var(--page-b52game__secondary-color);
      color: var(--page-b52game__text-color-light);
      padding: 40px 20px;
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    }

    .page-b52game__section-heading {
      font-size: 2em;
      color: var(--page-b52game__primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-b52game__section-heading--dark {
      color: var(--page-b52game__primary-color);
    }

    .page-b52game__section-heading::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-b52game__accent-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-b52game__text-block {
      margin-bottom: 20px;
      text-align: justify;
      color: var(--page-b52game__text-color-dark);
    }

    .page-b52game__text-block--light {
      color: var(--page-b52game__text-color-light);
    }

    .page-b52game__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-b52game__game-item {
      background-color: #ffffff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 15px;
    }

    .page-b52game__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    }

    .page-b52game__game-image {
      width: 100%;
      height: 150px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
      border-bottom: 2px solid var(--page-b52game__primary-color);
    }

    .page-b52game__game-title {
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-b52game__secondary-color);
      margin-top: 15px;
    }

    .page-b52game__feature-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-b52game__feature-item {
      background-color: rgba(255, 255, 255, 0.1);
      padding: 25px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--page-b52game__primary-color);
    }

    .page-b52game__feature-icon {
      font-size: 3em;
      color: var(--page-b52game__primary-color);
      margin-bottom: 15px;
    }

    .page-b52game__feature-title {
      font-size: 1.3em;
      color: var(--page-b52game__primary-color);
      margin-bottom: 10px;
    }

    .page-b52game__feature-description {
      font-size: 0.95em;
      color: var(--page-b52game__text-color-light);
    }

    .page-b52game__download-buttons {
      display: flex;
      flex-direction: column;
      gap: 15px;
      margin-top: 30px;
      align-items: center;
    }

    .page-b52game__download-link {
      background-image: linear-gradient(to right, #4CAF50 0%, #8BC34A 100%);
      color: white;
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
      transition: all 0.3s ease;
      display: inline-block;
      width: fit-content;
    }

    .page-b52game__download-link:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }

    .page-b52game__qr-code {
      width: 200px;
      height: 200px;
      max-width: 100%;
      height: auto;
      object-fit: contain;
      margin-top: 20px;
      border: 5px solid var(--page-b52game__primary-color);
      border-radius: 10px;
    }

    .page-b52game__faq-list {
      margin-top: 30px;
    }

    .page-b52game__faq-item {
      background-color: #ffffff;
      border: 1px solid #ddd;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-b52game__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-b52game__secondary-color);
      cursor: pointer;
      user-select: none;
      background-color: #f9f9f9;
      transition: background-color 0.3s ease;
    }

    .page-b52game__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-b52game__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-b52game__secondary-color);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-b52game__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-b52game__primary-color);
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-b52game__faq-item.active .page-b52game__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' or similar for visual cue */
    }

    .page-b52game__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-b52game__text-color-dark);
      opacity: 0;
    }

    .page-b52game__faq-item.active .page-b52game__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px !important;
      opacity: 1;
    }

    .page-b52game__contact-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-b52game__contact-item {
      background-color: rgba(255, 255, 255, 0.1);
      padding: 20px;
      border-radius: 8px;
      text-align: center;
      border: 1px solid var(--page-b52game__primary-color);
    }

    .page-b52game__contact-icon {
      font-size: 2.5em;
      color: var(--page-b52game__primary-color);
      margin-bottom: 10px;
    }

    .page-b52game__contact-title {
      font-size: 1.2em;
      font-weight: bold;
      color: var(--page-b52game__primary-color);
      margin-bottom: 5px;
    }

    .page-b52game__contact-text {
      font-size: 1em;
      color: var(--page-b52game__text-color-light);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-b52game__main-heading {
        font-size: 1.8em;
      }

      .page-b52game__sub-heading {
        font-size: 1em;
      }

      .page-b52game__section-heading {
        font-size: 1.6em;
      }

      .page-b52game__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
      }

      .page-b52game__game-image {
        height: 120px;
      }

      .page-b52game__floating-button-wrapper {
        bottom: 15px;
        right: 15px;
      }

      .page-b52game__floating-button {
        padding: 12px 20px;
        font-size: 0.95em;
      }

      .page-b52game__download-link {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-b52game__hero-section {
        padding-top: 10px; /* Ensure mobile header clear */
      }

      .page-b52game img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-b52game__hero-banner,
      .page-b52game__game-image,
      .page-b52game__qr-code {
        width: 100%;
        max-width: 100%;
        height: auto;
        overflow: hidden;
        box-sizing: border-box;
      }
    }

    @media (max-width: 480px) {
      .page-b52game__main-heading {
        font-size: 1.5em;
      }

      .page-b52game__sub-heading {
        font-size: 0.9em;
      }

      .page-b52game__section-heading {
        font-size: 1.4em;
      }

      .page-b52game__floating-button-wrapper {
        bottom: 10px;
        right: 10px;
        left: 10px;
        width: auto;
        flex-direction: row;
        justify-content: space-around;
      }
      .page-b52game__floating-button {
        flex: 1;
        margin: 0 5px;
      }
    }