:root {
      --page-primary-color: #007bff; /* Xanh dương */
      --page-secondary-color: #6c757d; /* Xám */
      --page-accent-color: #ffc107; /* Vàng */
      --page-text-color: #333; /* Đen nhạt */
      --page-bg-color: #f8f9fa; /* Trắng xám */
      --page-light-bg: #ffffff; /* Trắng */
      --page-dark-bg: #343a40; /* Đen đậm */
      --page-border-color: #dee2e6; /* Xám nhạt */
    }

    .page-resources-tk88-first-time-user-experience-vietnam {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-text-color);
      background-color: var(--page-bg-color);
      padding: 20px 0;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__hero-section {
      background-color: var(--page-dark-bg);
      color: var(--page-light-bg);
      text-align: center;
      padding: 10px 0 60px 0; /* Adjusted padding-top for fixed header */
      margin-bottom: 40px;
      position: relative;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 0;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-accent-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-resources-tk88-first-time-user-experience-vietnam__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 30px;
      opacity: 0.9;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__button {
      display: inline-block;
      background-color: var(--page-primary-color);
      color: var(--page-light-bg);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-resources-tk88-first-time-user-experience-vietnam__section {
      background-color: var(--page-light-bg);
      padding: 40px 20px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      box-sizing: border-box;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__section-title {
      font-size: 2em;
      color: var(--page-primary-color);
      margin-bottom: 25px;
      text-align: center;
      position: relative;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-accent-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__content-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin: 25px auto;
      display: block;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    .page-resources-tk88-first-time-user-experience-vietnam__paragraph {
      margin-bottom: 15px;
      font-size: 1.05em;
      line-height: 1.7;
      text-align: justify;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__list {
      list-style: disc inside;
      margin-bottom: 20px;
      padding-left: 20px;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__list-item {
      margin-bottom: 10px;
      box-sizing: border-box;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__highlight {
      color: var(--page-primary-color);
      font-weight: bold;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__faq-section {
      background-color: var(--page-light-bg);
      padding: 40px 20px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      box-sizing: border-box;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__faq-item {
      border-bottom: 1px solid var(--page-border-color);
      margin-bottom: 10px;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      cursor: pointer;
      user-select: none;
      background-color: #f2f2f2;
      border-radius: 5px;
      transition: background-color 0.3s ease;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__faq-question:hover {
      background-color: #e9ecef;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-text-color);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-resources-tk88-first-time-user-experience-vietnam__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-primary-color);
      pointer-events: none; /* Prevent toggle icon from blocking click */
      transition: transform 0.3s ease;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__faq-item.active .page-resources-tk88-first-time-user-experience-vietnam__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-resources-tk88-first-time-user-experience-vietnam__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: var(--page-secondary-color);
      font-size: 0.95em;
      box-sizing: border-box;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__faq-item.active .page-resources-tk88-first-time-user-experience-vietnam__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to accommodate content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__cta-section {
      text-align: center;
      padding: 30px 20px;
      background: linear-gradient(135deg, var(--page-primary-color), #0056b3);
      color: var(--page-light-bg);
      border-radius: 8px;
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
      margin-top: 40px;
      box-sizing: border-box;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__cta-title {
      font-size: 2.2em;
      margin-bottom: 15px;
      color: var(--page-accent-color);
    }

    .page-resources-tk88-first-time-user-experience-vietnam__cta-text {
      font-size: 1.1em;
      margin-bottom: 30px;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__cta-button {
      background-color: var(--page-accent-color);
      color: var(--page-dark-bg);
      padding: 15px 35px;
      font-size: 1.1em;
      border-radius: 50px;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-resources-tk88-first-time-user-experience-vietnam__cta-button:hover {
      background-color: #e0a800;
      transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-resources-tk88-first-time-user-experience-vietnam__hero-title {
        font-size: 2em;
      }

      .page-resources-tk88-first-time-user-experience-vietnam__hero-subtitle {
        font-size: 1em;
      }

      .page-resources-tk88-first-time-user-experience-vietnam__section-title {
        font-size: 1.8em;
      }

      .page-resources-tk88-first-time-user-experience-vietnam__paragraph {
        font-size: 1em;
      }

      .page-resources-tk88-first-time-user-experience-vietnam__faq-question h3 {
        font-size: 1em;
      }

      .page-resources-tk88-first-time-user-experience-vietnam__cta-title {
        font-size: 1.8em;
      }

      .page-resources-tk88-first-time-user-experience-vietnam__cta-text {
        font-size: 1em;
      }

      .page-resources-tk88-first-time-user-experience-vietnam__hero-section {
        padding-top: 10px; /* Adjusted for mobile fixed header */
        padding-bottom: 40px;
      }

      .page-resources-tk88-first-time-user-experience-vietnam__list {
        padding-left: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-resources-tk88-first-time-user-experience-vietnam__list-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }