:root {
      --page-gamec54-primary-color: #e44d26; /* Cam đậm */
      --page-gamec54-secondary-color: #f7931e; /* Cam nhạt */
      --page-gamec54-text-color: #333;
      --page-gamec54-light-text-color: #f0f0f0;
      --page-gamec54-background-color: #f9f9f9;
      --page-gamec54-dark-background-color: #2c3e50; /* Xám xanh đậm */
      --page-gamec54-card-background: #ffffff;
      --page-gamec54-border-color: #ddd;
    }

    /* Base styles for the page */
    .page-gamec54 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-gamec54-text-color);
      background-color: var(--page-gamec54-background-color);
      overflow-x: hidden;
    }

    .page-gamec54__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-gamec54__section {
      padding: 60px 0;
      text-align: center;
      position: relative;
    }

    .page-gamec54__section--dark {
      background-color: var(--page-gamec54-dark-background-color);
      color: var(--page-gamec54-light-text-color);
    }

    .page-gamec54__section-title {
      font-size: 2.8em;
      margin-bottom: 20px;
      color: var(--page-gamec54-primary-color);
      font-weight: bold;
    }

    .page-gamec54__section--dark .page-gamec54__section-title {
      color: var(--page-gamec54-secondary-color);
    }

    .page-gamec54__section-subtitle {
      font-size: 1.3em;
      margin-bottom: 40px;
      color: #666;
    }

    .page-gamec54__section--dark .page-gamec54__section-subtitle {
      color: #ccc;
    }

    /* Hero Section */
    .page-gamec54__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('[GALLERY:hero:1920x1080:gaming,platform,c54,banner]') no-repeat center center/cover;
      color: var(--page-gamec54-light-text-color);
      padding: 100px 20px 80px;
      padding-top: var(--header-offset, 120px); /* Adjust for fixed header */
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 600px;
      box-sizing: border-box;
    }

    .page-gamec54__hero-title {
      font-size: 4em;
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      color: var(--page-gamec54-secondary-color);
      font-weight: bold;
    }

    .page-gamec54__hero-subtitle {
      font-size: 1.8em;
      margin-bottom: 40px;
      max-width: 800px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-gamec54__button {
      background-color: var(--page-gamec54-primary-color);
      color: var(--page-gamec54-light-text-color);
      padding: 15px 30px;
      border-radius: 5px;
      font-size: 1.2em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: inline-block;
      cursor: pointer;
      border: none;
    }

    .page-gamec54__button:hover {
      background-color: var(--page-gamec54-secondary-color);
      transform: translateY(-3px);
    }

    /* Intro Section */
    .page-gamec54__intro-content {
      display: flex;
      align-items: center;
      gap: 40px;
      text-align: left;
    }

    .page-gamec54__intro-text {
      flex: 1;
    }

    .page-gamec54__intro-text h2 {
      color: var(--page-gamec54-primary-color);
      font-size: 2.2em;
      margin-bottom: 15px;
    }

    .page-gamec54__intro-text p {
      font-size: 1.1em;
      margin-bottom: 20px;
    }

    .page-gamec54__intro-image-wrapper {
      flex: 1;
      min-width: 300px;
      overflow: hidden;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      box-sizing: border-box;
    }

    .page-gamec54__intro-image {
      max-width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

    .page-gamec54__intro-image:hover {
      transform: scale(1.05);
    }

    /* Game Categories Section */
    .page-gamec54__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-gamec54__game-card {
      background-color: var(--page-gamec54-card-background);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-sizing: border-box;
    }

    .page-gamec54__game-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    }

    .page-gamec54__game-card-image-wrapper {
      width: 100%;
      height: 200px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-gamec54__game-card-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-gamec54__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-gamec54__game-card-title {
      font-size: 1.8em;
      color: var(--page-gamec54-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-gamec54__game-card-description {
      font-size: 1em;
      color: #555;
      margin-bottom: 20px;
    }

    /* Why Choose C54 Section */
    .page-gamec54__features-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-gamec54__feature-item {
      background-color: var(--page-gamec54-card-background);
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-gamec54__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-gamec54__feature-icon {
      width: 60px;
      height: 60px;
      margin-bottom: 15px;
      display: block;
      object-fit: contain;
    }

    .page-gamec54__feature-title {
      font-size: 1.5em;
      color: var(--page-gamec54-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-gamec54__feature-description {
      font-size: 1em;
      color: #555;
    }

    /* Promotions Section */
    .page-gamec54__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-gamec54__promotion-card {
      background-color: var(--page-gamec54-card-background);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-gamec54__promotion-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-gamec54__promotion-image-wrapper {
      width: 100%;
      height: 220px;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-gamec54__promotion-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-gamec54__promotion-content {
      padding: 20px;
    }

    .page-gamec54__promotion-title {
      font-size: 1.6em;
      color: var(--page-gamec54-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-gamec54__promotion-description {
      font-size: 1em;
      color: #555;
      margin-bottom: 15px;
    }

    /* Login Guide Section */
    .page-gamec54__guide-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 40px;
    }

    .page-gamec54__step-item {
      background-color: var(--page-gamec54-card-background);
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      text-align: center;
      flex: 1 1 300px;
      max-width: 350px;
      box-sizing: border-box;
    }

    .page-gamec54__step-number {
      background-color: var(--page-gamec54-primary-color);
      color: var(--page-gamec54-light-text-color);
      width: 60px;
      height: 60px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 2em;
      font-weight: bold;
      margin: 0 auto 20px;
    }

    .page-gamec54__step-title {
      font-size: 1.6em;
      color: var(--page-gamec54-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-gamec54__step-description {
      font-size: 1em;
      color: #555;
    }

    /* FAQ Section */
    .page-gamec54__faq-list {
      max-width: 900px;
      margin: 40px auto 0;
      text-align: left;
    }

    .page-gamec54__faq-item {
      background-color: var(--page-gamec54-card-background);
      border: 1px solid var(--page-gamec54-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-gamec54__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 25px;
      cursor: pointer;
      background-color: #f5f5f5;
      font-size: 1.2em;
      font-weight: bold;
      color: var(--page-gamec54-text-color);
      transition: background-color 0.3s ease;
      user-select: none;
      box-sizing: border-box;
    }

    .page-gamec54__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-gamec54-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click on parent */
    }

    .page-gamec54__faq-question:hover {
      background-color: #eee;
    }

    .page-gamec54__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      color: var(--page-gamec54-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click on parent */
    }

    .page-gamec54__faq-item.active .page-gamec54__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-gamec54__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-gamec54-text-color);
      box-sizing: border-box;
    }

    .page-gamec54__faq-item.active .page-gamec54__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-gamec54__faq-answer p {
      margin-bottom: 10px;
    }

    .page-gamec54__faq-answer p:last-child {
      margin-bottom: 0;
    }

    /* Call to Action Section */
    .page-gamec54__cta-section {
      background-color: var(--page-gamec54-primary-color);
      color: var(--page-gamec54-light-text-color);
      padding: 80px 20px;
      text-align: center;
    }

    .page-gamec54__cta-title {
      font-size: 3em;
      margin-bottom: 20px;
      color: var(--page-gamec54-light-text-color);
      font-weight: bold;
    }

    .page-gamec54__cta-description {
      font-size: 1.4em;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-gamec54__cta-button {
      background-color: var(--page-gamec54-dark-background-color);
      color: var(--page-gamec54-light-text-color);
      padding: 18px 40px;
      border-radius: 8px;
      font-size: 1.4em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: inline-block;
      border: none;
    }

    .page-gamec54__cta-button:hover {
      background-color: #3f5a77;
      transform: translateY(-3px);
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-gamec54__hero-title {
        font-size: 3.5em;
      }
      .page-gamec54__hero-subtitle {
        font-size: 1.5em;
      }
      .page-gamec54__intro-content {
        flex-direction: column;
        text-align: center;
      }
      .page-gamec54__intro-text,
      .page-gamec54__intro-image-wrapper {
        flex: none;
        width: 100%;
      }
      .page-gamec54__intro-image-wrapper {
        max-width: 600px;
        margin: 0 auto;
      }
    }

    @media (max-width: 768px) {
      .page-gamec54__container {
        padding: 15px;
      }
      .page-gamec54__section {
        padding: 40px 0;
      }
      .page-gamec54__section-title {
        font-size: 2em;
      }
      .page-gamec54__section-subtitle {
        font-size: 1.1em;
        margin-bottom: 25px;
      }
      .page-gamec54__hero-section {
        min-height: 450px;
        padding: 80px 15px 60px;
        padding-top: var(--header-offset, 200px); /* Mobile header offset */
      }
      .page-gamec54__hero-title {
        font-size: 2.5em;
      }
      .page-gamec54__hero-subtitle {
        font-size: 1.2em;
        margin-bottom: 30px;
      }
      .page-gamec54__button {
        padding: 12px 25px;
        font-size: 1.1em;
      }
      .page-gamec54__intro-text h2 {
        font-size: 1.8em;
      }
      .page-gamec54__intro-text p {
        font-size: 1em;
      }
      .page-gamec54__game-grid,
      .page-gamec54__features-list,
      .page-gamec54__promotion-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .page-gamec54__game-card,
      .page-gamec54__feature-item,
      .page-gamec54__promotion-card,
      .page-gamec54__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important; /* Adjust padding for smaller screens */
      }
      .page-gamec54__game-card-image-wrapper,
      .page-gamec54__promotion-image-wrapper {
        height: 180px;
      }
      .page-gamec54__game-card-title,
      .page-gamec54__feature-title,
      .page-gamec54__promotion-title,
      .page-gamec54__step-title {
        font-size: 1.4em;
      }
      .page-gamec54__cta-section {
        padding: 50px 15px;
      }
      .page-gamec54__cta-title {
        font-size: 2.2em;
      }
      .page-gamec54__cta-description {
        font-size: 1.2em;
      }
      .page-gamec54__cta-button {
        padding: 15px 30px;
        font-size: 1.2em;
      }
      .page-gamec54__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }
      .page-gamec54__faq-question h3 {
        font-size: 1.1em;
      }
      .page-gamec54__faq-answer {
        padding: 0 20px;
      }
      .page-gamec54__faq-item.active .page-gamec54__faq-answer {
        padding: 15px 20px !important;
      }
      /* Ensure images are responsive */
      .page-gamec54 img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-gamec54__intro-image-wrapper,
      .page-gamec54__game-card-image-wrapper,
      .page-gamec54__promotion-image-wrapper,
      .page-gamec54__feature-icon {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-gamec54__feature-icon {
        width: 50px !important;
        height: 50px !important;
        margin: 0 auto 15px !important;
      }
      .page-gamec54__step-item {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      .page-gamec54__faq-list {
        padding: 0 10px;
      }
    }

    @media (max-width: 480px) {
      .page-gamec54__hero-title {
        font-size: 2em;
      }
      .page-gamec54__hero-subtitle {
        font-size: 1em;
      }
      .page-gamec54__section-title {
        font-size: 1.8em;
      }
      .page-gamec54__cta-title {
        font-size: 1.8em;
      }
      .page-gamec54__cta-description {
        font-size: 1em;
      }
    }