:root {
      --page-b52ing__primary-color: #FFD700; /* Vàng */
      --page-b52ing__secondary-color: #FFFFFF; /* Trắng */
      --page-b52ing__background-color: #000000; /* Đen */
      --page-b52ing__text-color: #FFFFFF; /* Trắng */
      --page-b52ing__accent-color: #FF4500; /* Cam đỏ */
    }

    body {
      margin: 0;
      font-family: 'Arial', sans-serif;
      background-color: var(--page-b52ing__background-color);
      color: var(--page-b52ing__text-color);
      line-height: 1.6;
    }

    .page-b52ing {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-b52ing__section {
      padding: 40px 0;
      text-align: center;
    }

    .page-b52ing__hero-section {
      position: relative;
      padding-top: 150px; /* Offset for fixed header */
      padding-bottom: 50px;
      background-color: var(--page-b52ing__background-color);
      color: var(--page-b52ing__text-color);
      overflow: hidden;
    }

    .page-b52ing__hero-image {
      width: 100%;
      height: auto;
      max-height: 500px;
      object-fit: contain; /* Ensure image is not stretched */
      display: block;
      margin: 0 auto 20px auto;
      border-radius: 8px;
    }

    .page-b52ing__hero-content {
      position: relative;
      z-index: 1;
      padding: 0 15px;
    }

    .page-b52ing__hero-title {
      font-size: 2.8em;
      color: var(--page-b52ing__primary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-b52ing__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: var(--page-b52ing__secondary-color);
    }

    .page-b52ing__call-to-action-button {
      display: inline-block;
      background-color: var(--page-b52ing__accent-color);
      color: var(--page-b52ing__text-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
    }

    .page-b52ing__call-to-action-button:hover {
      background-color: #FF6347; /* Slightly lighter red-orange */
      transform: translateY(-2px);
    }

    .page-b52ing__game-categories {
      background-color: #1a1a1a;
      padding: 50px 0;
    }

    .page-b52ing__section-title {
      font-size: 2.2em;
      color: var(--page-b52ing__primary-color);
      margin-bottom: 40px;
      text-align: center;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-b52ing__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      justify-content: center;
      max-width: 1000px;
      margin: 0 auto;
      padding: 0; /* Ensure no extra padding */
      list-style: none;
    }

    .page-b52ing__game-item {
      background-color: #2a2a2a;
      border-radius: 12px;
      overflow: hidden;
      text-align: center;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box; /* Crucial for responsive width */
    }

    .page-b52ing__game-item:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
    }

    .page-b52ing__game-image {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      object-fit: cover;
      display: block;
      border-bottom: 2px solid var(--page-b52ing__primary-color);
    }

    .page-b52ing__game-title {
      font-size: 1.4em;
      color: var(--page-b52ing__primary-color);
      padding: 15px 10px 5px;
      margin: 0;
    }

    .page-b52ing__game-description {
      font-size: 0.95em;
      color: var(--page-b52ing__secondary-color);
      padding: 0 15px 20px;
      margin: 0;
    }

    .page-b52ing__about-section {
      background-color: var(--page-b52ing__background-color);
      padding: 50px 0;
      text-align: left;
    }

    .page-b52ing__about-content {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 30px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .page-b52ing__about-text {
      flex: 1;
      min-width: 300px;
      padding: 0 15px;
    }

    .page-b52ing__about-image {
      flex: 1;
      min-width: 300px;
      max-width: 500px;
      height: auto;
      object-fit: cover;
      border-radius: 12px;
      box-shadow: 0 8px 25px rgba(255, 215, 0, 0.2);
      display: block;
    }

    .page-b52ing__about-text h3 {
      font-size: 1.8em;
      color: var(--page-b52ing__primary-color);
      margin-bottom: 15px;
    }

    .page-b52ing__about-text p {
      font-size: 1em;
      color: var(--page-b52ing__secondary-color);
      margin-bottom: 15px;
    }

    .page-b52ing__features-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
    }

    .page-b52ing__feature-item {
      background-color: #2a2a2a;
      margin-bottom: 10px;
      padding: 15px 20px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      gap: 15px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
      box-sizing: border-box; /* Crucial for responsive width */
    }

    .page-b52ing__feature-icon {
      width: 60px;
      height: 60px;
      object-fit: contain;
      border-radius: 50%;
      background-color: var(--page-b52ing__primary-color);
      padding: 5px;
      box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
    }

    .page-b52ing__feature-text {
      font-weight: bold;
      color: var(--page-b52ing__primary-color);
      font-size: 1.1em;
    }

    .page-b52ing__promo-section {
      background-color: #1a1a1a;
      padding: 50px 0;
    }

    .page-b52ing__promo-card {
      background-color: #2a2a2a;
      border-radius: 12px;
      padding: 30px;
      margin: 0 auto 30px auto;
      max-width: 800px;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
      border: 2px solid var(--page-b52ing__primary-color);
      text-align: left;
    }

    .page-b52ing__promo-card h3 {
      font-size: 2em;
      color: var(--page-b52ing__primary-color);
      margin-top: 0;
      margin-bottom: 15px;
      text-align: center;
    }

    .page-b52ing__promo-card p {
      font-size: 1.1em;
      color: var(--page-b52ing__secondary-color);
      margin-bottom: 20px;
      text-align: center;
    }

    .page-b52ing__promo-image {
      width: 100%;
      height: auto;
      max-height: 300px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 20px;
      display: block;
    }

    .page-b52ing__faq-section {
      background-color: var(--page-b52ing__background-color);
      padding: 50px 0;
    }

    .page-b52ing__faq-container {
      max-width: 900px;
      margin: 0 auto;
      text-align: left;
      padding: 0; /* Ensure no extra padding */
      list-style: none;
    }

    .page-b52ing__faq-item {
      background-color: #2a2a2a;
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      border: 1px solid #333;
      box-sizing: border-box; /* Crucial for responsive width */
    }

    .page-b52ing__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: #333;
      color: var(--page-b52ing__primary-color);
      cursor: pointer;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-b52ing__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-b52ing__faq-question:hover {
      background-color: #444;
    }

    .page-b52ing__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-b52ing__faq-item.active .page-b52ing__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-b52ing__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px; /* Initial padding */
      color: var(--page-b52ing__secondary-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      text-align: left;
    }

    .page-b52ing__faq-item.active .page-b52ing__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important; /* Expanded padding */
      opacity: 1;
    }

    .page-b52ing__faq-answer p {
      margin-top: 0;
      margin-bottom: 10px;
    }

    /* Floating Login Button */
    .page-b52ing__floating-button-container {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 10px;
    }

    .page-b52ing__floating-button {
      background-color: var(--page-b52ing__accent-color);
      color: var(--page-b52ing__text-color);
      padding: 12px 25px;
      border-radius: 30px;
      font-size: 1em;
      font-weight: bold;
      box-shadow: 0 4px 15px rgba(255, 69, 0, 0.6);
      transition: background-color 0.3s ease, transform 0.2s ease;
      cursor: pointer;
      border: none;
      text-decoration: none; /* If it's a link, ensure no underline */
      white-space: nowrap; /* Prevent text wrapping */
    }

    .page-b52ing__floating-button:hover {
      background-color: #FF6347;
      transform: translateY(-3px);
    }


    /* Responsive Design */
    @media (max-width: 768px) {
      .page-b52ing__hero-section {
        padding-top: 150px; /* Adjust for mobile fixed header */
        padding-bottom: 30px;
      }

      .page-b52ing__hero-title {
        font-size: 2.2em;
      }

      .page-b52ing__hero-description {
        font-size: 1em;
      }

      .page-b52ing__section-title {
        font-size: 1.8em;
      }

      .page-b52ing__game-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 20px;
        padding: 0 10px !important; /* Adjust padding for container */
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-b52ing__game-item,
      .page-b52ing__feature-item,
      .page-b52ing__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-b52ing__game-image {
        height: 180px;
      }

      .page-b52ing__game-title {
        font-size: 1.2em;
      }

      .page-b52ing__about-content {
        flex-direction: column;
      }

      .page-b52ing__about-text,
      .page-b52ing__about-image {
        min-width: unset;
        width: 100%;
        padding: 0 10px;
      }

      .page-b52ing__about-text h3 {
        font-size: 1.5em;
      }

      .page-b52ing__feature-item {
        padding: 12px 15px;
      }

      .page-b52ing__feature-icon {
        width: 50px;
        height: 50px;
      }

      .page-b52ing__feature-text {
        font-size: 1em;
      }

      .page-b52ing__promo-card {
        padding: 20px;
        margin: 0 10px 20px 10px;
      }

      .page-b52ing__promo-card h3 {
        font-size: 1.6em;
      }

      .page-b52ing__promo-card p {
        font-size: 1em;
      }

      .page-b52ing__promo-image {
        max-height: 200px;
      }

      .page-b52ing__faq-container {
        padding: 0 10px !important; /* Adjust padding for container */
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-b52ing__faq-question {
        padding: 15px 20px;
        font-size: 1em;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-b52ing__faq-answer {
        padding: 0 20px; /* Initial padding */
      }

      .page-b52ing__faq-item.active .page-b52ing__faq-answer {
        padding: 15px 20px !important; /* Expanded padding */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-b52ing__faq-toggle {
        font-size: 1.5em;
      }

      .page-b52ing__floating-button-container {
        bottom: 15px;
        right: 15px;
      }

      .page-b52ing__floating-button {
        padding: 10px 20px;
        font-size: 0.9em;
      }

      .page-b52ing__call-to-action-button {
        padding: 12px 25px;
        font-size: 1em;
      }
    }