.page-ng-k-nh-n-88k-tr-i-nghi-m {
      font-family: 'Arial', sans-serif;
      color: #e0e0e0;
      background-color: #1a1a2e; /* Dark background for gaming theme */
      line-height: 1.6;
      overflow-x: hidden; /* Prevent horizontal scroll */
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-section {
      position: relative;
      width: 100%;
      min-height: 400px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      padding: 10px 20px 40px; /* Add 10px top padding for header offset */
      box-sizing: border-box;
      overflow: hidden;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 1;
      opacity: 0.6; /* Slightly dim image for text readability */
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      padding: 20px;
      background: rgba(0, 0, 0, 0.4); /* Semi-transparent background for text */
      border-radius: 10px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-title {
      font-size: 2.5em;
      color: #ffcc00; /* Vibrant accent color */
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-description {
      font-size: 1.1em;
      color: #ffffff;
      margin-bottom: 30px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-button,
    .page-ng-k-nh-n-88k-tr-i-nghi-m__main-button,
    .page-ng-k-nh-n-88k-tr-i-nghi-m__final-cta-button {
      display: inline-block;
      background-color: #e6007a; /* Strong call to action color */
      color: #ffffff;
      padding: 15px 30px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-button:hover,
    .page-ng-k-nh-n-88k-tr-i-nghi-m__main-button:hover,
    .page-ng-k-nh-n-88k-tr-i-nghi-m__final-cta-button:hover {
      background-color: #ff3399;
      transform: translateY(-3px);
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__section-title {
      font-size: 2em;
      color: #ffcc00;
      text-align: center;
      margin: 60px 20px 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: #e6007a;
      border-radius: 2px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__section-subtitle,
    .page-ng-k-nh-n-88k-tr-i-nghi-m__section-description {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 40px;
      padding: 0 20px;
      color: #cccccc;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__about-content {
      max-width: 900px;
      margin: 0 auto 60px;
      padding: 0 20px;
      background-color: #2b2b4a;
      border-radius: 10px;
      padding: 30px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__about-content p {
      margin-bottom: 15px;
      color: #e0e0e0;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__how-to-claim-section {
      padding: 40px 0;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__steps-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto 40px;
      padding: 0 20px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__step-item {
      background-color: #2b2b4a;
      border-radius: 10px;
      padding: 30px;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__step-item:hover {
      transform: translateY(-5px);
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__step-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin-bottom: 20px;
      border: 2px solid #e6007a;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__step-title {
      color: #ffcc00;
      font-size: 1.4em;
      margin-bottom: 10px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__step-description {
      color: #cccccc;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__call-to-action-bottom {
      text-align: center;
      margin-top: 40px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__game-showcase-section {
      padding: 40px 0;
      background-color: #1a1a2e;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto 60px;
      padding: 0 20px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__game-card {
      background-color: #2b2b4a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__game-card:hover {
      transform: translateY(-5px);
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-bottom: 3px solid #e6007a;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__game-title {
      color: #ffcc00;
      font-size: 1.3em;
      margin: 20px 15px 10px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__game-description {
      color: #cccccc;
      padding: 0 15px 20px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__why-choose-us-section {
      padding: 40px 0 60px;
      background-color: #0f0f1a;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-list {
      list-style: none;
      padding: 0;
      margin: 0 auto;
      max-width: 1000px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 25px;
      padding: 0 20px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-item {
      background-color: #2b2b4a;
      border-radius: 10px;
      padding: 25px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Crucial for responsive list items */
      width: 100%; /* Ensure 100% width on mobile */
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word; /* Ensure text wraps */
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-item:hover {
      transform: translateY(-5px);
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-title {
      color: #ffcc00;
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-description {
      color: #cccccc;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-section {
      padding: 40px 0 60px;
      background-color: #1a1a2e;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-list {
      max-width: 900px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-item {
      background-color: #2b2b4a;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #3a3a5a;
      color: #ffffff;
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-question:hover {
      background-color: #4a4a6a;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-title {
      font-size: 1.1em;
      margin: 0;
      color: #ffcc00;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent span from blocking click */
      transition: transform 0.3s ease;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-item.active .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__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: #cccccc;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-item.active .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-answer p {
      margin: 0;
      padding-bottom: 10px;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__final-cta-section {
      padding: 60px 20px;
      text-align: center;
      background-color: #0f0f1a;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__floating-button {
      background-color: #e6007a;
      color: #ffffff;
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
      white-space: nowrap; /* Prevent text wrapping */
    }

    .page-ng-k-nh-n-88k-tr-i-nghi-m__floating-button:hover {
      background-color: #ff3399;
      transform: translateY(-3px);
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-title {
        font-size: 3.5em;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-description {
        font-size: 1.2em;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__section-title {
        font-size: 2.5em;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-list {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .page-ng-k-nh-n-88k-tr-i-nghi-m__steps-grid {
        grid-template-columns: repeat(4, 1fr);
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-list {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    /* Mobile specific responsive requirements for lists and images */
    @media (max-width: 768px) {
      .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-section {
        min-height: 300px;
        padding: 10px 15px 30px;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-title {
        font-size: 2em;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-description {
        font-size: 1em;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-button,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__main-button,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__final-cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__section-title {
        font-size: 1.8em;
        margin: 40px 15px 25px;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__section-subtitle,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__section-description {
        margin-bottom: 30px;
        padding: 0 15px;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__about-content,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__steps-grid,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__game-grid,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-list,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-list {
        padding: 0 15px;
      }

      /* List items responsive */
      .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-list,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__steps-grid {
        grid-template-columns: 1fr !important; /* Force single column on mobile */
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-item,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__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 */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__advantage-list,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__steps-grid {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      /* Image responsive */
      .page-ng-k-nh-n-88k-tr-i-nghi-m__hero-image,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__step-image,
      .page-ng-k-nh-n-88k-tr-i-nghi-m__game-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__game-image {
        height: 180px; /* Adjust height for mobile game cards */
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__floating-buttons {
        width: calc(100% - 40px); /* Adjust width to fit screen with padding */
        gap: 10px;
        bottom: 15px;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__floating-button {
        flex: 1; /* Make buttons take equal space */
        text-align: center;
        padding: 10px 15px;
        font-size: 0.9em;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-question {
        padding: 12px 15px;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-title {
        font-size: 1em;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-answer {
        padding: 0 10px;
      }

      .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-item.active .page-ng-k-nh-n-88k-tr-i-nghi-m__faq-answer {
        padding: 15px 10px !important;
      }
    }