:root {
      --page-f168-ng-nh-p__primary-color: #007bff; /* Blue */
      --page-f168-ng-nh-p__secondary-color: #28a745; /* Green */
      --page-f168-ng-nh-p__background-dark: #1a1a1a;
      --page-f168-ng-nh-p__background-light: #2c2c2c;
      --page-f168-ng-nh-p__text-light: #f0f0f0;
      --page-f168-ng-nh-p__text-dark: #333;
      --page-f168-ng-nh-p__border-color: #444;
      --page-f168-ng-nh-p__accent-color: #ffc107; /* Yellow */
    }

    .page-f168-ng-nh-p {
      font-family: 'Arial', sans-serif;
      color: var(--page-f168-ng-nh-p__text-light);
      background-color: var(--page-f168-ng-nh-p__background-dark);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 10px; /* Adjust for fixed header if shared.css doesn't handle body padding */
    }

    .page-f168-ng-nh-p__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-f168-ng-nh-p__hero-section {
      position: relative;
      background-color: var(--page-f168-ng-nh-p__background-dark);
      padding: 60px 20px;
      text-align: center;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 400px;
      box-sizing: border-box;
    }

    .page-f168-ng-nh-p__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.3;
    }

    .page-f168-ng-nh-p__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
    }

    .page-f168-ng-nh-p__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-f168-ng-nh-p__text-light);
      line-height: 1.2;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-f168-ng-nh-p__hero-subtitle {
      font-size: 1.3em;
      color: var(--page-f168-ng-nh-p__text-light);
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    }

    .page-f168-ng-nh-p__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-f168-ng-nh-p__primary-color);
      color: #fff;
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
      margin: 5px;
    }

    .page-f168-ng-nh-p__button:hover {
      background-color: #0056b3;
    }

    .page-f168-ng-nh-p__button--secondary {
      background-color: var(--page-f168-ng-nh-p__secondary-color);
    }

    .page-f168-ng-nh-p__button--secondary:hover {
      background-color: #218838;
    }

    .page-f168-ng-nh-p__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
    }

    .page-f168-ng-nh-p__section {
      padding: 50px 20px;
      background-color: var(--page-f168-ng-nh-p__background-light);
      margin-bottom: 20px;
      border-radius: 8px;
    }

    .page-f168-ng-nh-p__section:nth-child(even) {
      background-color: var(--page-f168-ng-nh-p__background-dark);
    }

    .page-f168-ng-nh-p__section-title {
      font-size: 2.2em;
      color: var(--page-f168-ng-nh-p__accent-color);
      text-align: center;
      margin-bottom: 40px;
      position: relative;
    }

    .page-f168-ng-nh-p__section-title::after {
      content: '';
      display: block;
      width: 80px;
      height: 3px;
      background-color: var(--page-f168-ng-nh-p__primary-color);
      margin: 15px auto 0;
    }

    .page-f168-ng-nh-p__content-text {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-f168-ng-nh-p__content-text strong {
      color: var(--page-f168-ng-nh-p__accent-color);
    }

    .page-f168-ng-nh-p__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
      justify-content: center;
    }

    .page-f168-ng-nh-p__game-item {
      background-color: var(--page-f168-ng-nh-p__background-dark);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      box-sizing: border-box;
    }

    .page-f168-ng-nh-p__game-item:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-f168-ng-nh-p__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      max-width: 100%;
      height: auto;
      box-sizing: border-box;
    }

    .page-f168-ng-nh-p__game-info {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-f168-ng-nh-p__game-title {
      font-size: 1.5em;
      color: var(--page-f168-ng-nh-p__primary-color);
      margin-bottom: 10px;
    }

    .page-f168-ng-nh-p__game-description {
      font-size: 0.95em;
      color: var(--page-f168-ng-nh-p__text-light);
      margin-bottom: 15px;
    }

    .page-f168-ng-nh-p__benefit-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-f168-ng-nh-p__benefit-item {
      background-color: var(--page-f168-ng-nh-p__background-dark);
      padding: 30px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
      box-sizing: border-box;
    }

    .page-f168-ng-nh-p__benefit-icon {
      width: 80px;
      height: 80px;
      object-fit: contain;
      margin-bottom: 20px;
      max-width: 100%;
      height: auto;
      box-sizing: border-box;
    }

    .page-f168-ng-nh-p__benefit-title {
      font-size: 1.4em;
      color: var(--page-f168-ng-nh-p__accent-color);
      margin-bottom: 10px;
    }

    .page-f168-ng-nh-p__benefit-description {
      font-size: 0.95em;
      color: var(--page-f168-ng-nh-p__text-light);
    }

    .page-f168-ng-nh-p__faq-section {
      padding: 50px 20px;
      background-color: var(--page-f168-ng-nh-p__background-dark);
      margin-bottom: 20px;
      border-radius: 8px;
    }

    .page-f168-ng-nh-p__faq-list {
      max-width: 800px;
      margin: 0 auto;
      list-style: none;
      padding: 0;
    }

    .page-f168-ng-nh-p__faq-item {
      background-color: var(--page-f168-ng-nh-p__background-light);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      box-sizing: border-box;
    }

    .page-f168-ng-nh-p__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      font-size: 1.2em;
      font-weight: bold;
      color: var(--page-f168-ng-nh-p__text-light);
      cursor: pointer;
      background-color: var(--page-f168-ng-nh-p__primary-color);
      border-radius: 8px;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-f168-ng-nh-p__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-f168-ng-nh-p__text-light);
      pointer-events: none; /* Prevent h3 from blocking click */
      flex-grow: 1;
    }

    .page-f168-ng-nh-p__faq-question:hover {
      background-color: #0056b3;
    }

    .page-f168-ng-nh-p__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle icon from blocking click */
      transition: transform 0.3s ease;
    }

    .page-f168-ng-nh-p__faq-item.active .page-f168-ng-nh-p__faq-toggle {
      transform: rotate(45deg);
    }

    .page-f168-ng-nh-p__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      background-color: var(--page-f168-ng-nh-p__background-light);
      color: var(--page-f168-ng-nh-p__text-light);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      border-bottom-left-radius: 8px;
      border-bottom-right-radius: 8px;
    }

    .page-f168-ng-nh-p__faq-item.active .page-f168-ng-nh-p__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 25px !important;
      opacity: 1;
    }

    .page-f168-ng-nh-p__cta-section {
      text-align: center;
      padding: 60px 20px;
      background-color: var(--page-f168-ng-nh-p__primary-color);
      border-radius: 8px;
      margin-bottom: 20px;
    }

    .page-f168-ng-nh-p__cta-title {
      font-size: 2.5em;
      color: #fff;
      margin-bottom: 20px;
    }

    .page-f168-ng-nh-p__cta-description {
      font-size: 1.2em;
      color: #e0e0e0;
      margin-bottom: 30px;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-f168-ng-nh-p__hero-title {
        font-size: 2em;
      }

      .page-f168-ng-nh-p__hero-subtitle {
        font-size: 1em;
      }

      .page-f168-ng-nh-p__section-title {
        font-size: 1.8em;
      }

      .page-f168-ng-nh-p__floating-buttons {
        flex-direction: column;
        gap: 10px;
        bottom: 10px;
        left: 10px;
        transform: translateX(0);
        align-items: center;
        width: calc(100% - 20px);
      }
      .page-f168-ng-nh-p__button {
        width: 100%;
        max-width: 300px;
        box-sizing: border-box;
      }

      .page-f168-ng-nh-p__game-grid,
      .page-f168-ng-nh-p__benefit-grid {
        grid-template-columns: 1fr;
      }

      .page-f168-ng-nh-p__game-item,
      .page-f168-ng-nh-p__benefit-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-f168-ng-nh-p__faq-question {
        padding: 15px 20px;
        font-size: 1em;
      }

      .page-f168-ng-nh-p__faq-question h3 {
        font-size: 1em;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-f168-ng-nh-p__faq-answer {
        padding: 15px 20px;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-f168-ng-nh-p__cta-title {
        font-size: 1.8em;
      }

      .page-f168-ng-nh-p__cta-description {
        font-size: 1em;
      }
    }

    @media (max-width: 480px) {
      .page-f168-ng-nh-p__hero-section {
        padding: 40px 15px;
      }

      .page-f168-ng-nh-p__hero-title {
        font-size: 1.8em;
      }

      .page-f168-ng-nh-p__hero-subtitle {
        font-size: 0.9em;
      }

      .page-f168-ng-nh-p__button {
        padding: 10px 20px;
        font-size: 0.9em;
      }

      .page-f168-ng-nh-p__section {
        padding: 30px 15px;
      }

      .page-f168-ng-nh-p__section-title {
        font-size: 1.6em;
      }

      .page-f168-ng-nh-p__content-text {
        font-size: 0.95em;
      }

      .page-f168-ng-nh-p__game-title {
        font-size: 1.3em;
      }

      .page-f168-ng-nh-p__benefit-title {
        font-size: 1.2em;
      }

      .page-f168-ng-nh-p__faq-question {
        font-size: 0.9em;
        padding: 12px 15px;
      }
      .page-f168-ng-nh-p__faq-question h3 {
        font-size: 0.9em;
      }

      .page-f168-ng-nh-p__faq-answer {
        font-size: 0.9em;
        padding: 15px 15px !important;
      }

      .page-f168-ng-nh-p__cta-title {
        font-size: 1.6em;
      }
    }