:root {
      --page-nhatvipgame-bg-color: #000000;
      --page-nhatvipgame-text-color-light: #ffffff;
      --page-nhatvipgame-text-color-accent: #ffd700; /* Gold/Yellow */
      --page-nhatvipgame-button-bg: #ffd700;
      --page-nhatvipgame-button-text: #000000;
      --page-nhatvipgame-border-color: #333333;
      --page-nhatvipgame-hover-bg: #e6c200;
      --page-nhatvipgame-shadow-color: rgba(255, 215, 0, 0.3);
      --page-nhatvipgame-faq-bg: #1a1a1a;
      --page-nhatvipgame-faq-border: #444444;
    }

    /* Base styles for the page content */
    .page-nhatvipgame {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background-color: var(--page-nhatvipgame-bg-color);
      color: var(--page-nhatvipgame-text-color-light);
      line-height: 1.6;
      overflow-x: hidden;
      padding-bottom: 80px; /* Space for fixed footer/floating button */
    }

    .page-nhatvipgame__section {
      padding: 40px 15px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-nhatvipgame__section--dark {
      background-color: var(--page-nhatvipgame-bg-color);
    }

    .page-nhatvipgame__section-title {
      font-size: 2.5em;
      color: var(--page-nhatvipgame-text-color-accent);
      margin-bottom: 25px;
      font-weight: bold;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-nhatvipgame__section-subtitle {
      font-size: 1.2em;
      color: var(--page-nhatvipgame-text-color-light);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-nhatvipgame__text-accent {
      color: var(--page-nhatvipgame-text-color-accent);
    }

    .page-nhatvipgame__button {
      display: inline-block;
      background-color: var(--page-nhatvipgame-button-bg);
      color: var(--page-nhatvipgame-button-text);
      padding: 15px 30px;
      border-radius: 8px;
      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 var(--page-nhatvipgame-shadow-color);
    }

    .page-nhatvipgame__button:hover {
      background-color: var(--page-nhatvipgame-hover-bg);
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-nhatvipgame__hero-section {
      position: relative;
      overflow: hidden;
      padding-top: 10px; /* Safety zone for fixed header */
      padding-bottom: 40px;
      background-color: var(--page-nhatvipgame-bg-color);
    }

    .page-nhatvipgame__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 20px;
    }

    .page-nhatvipgame__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 10px;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

    .page-nhatvipgame__hero-content {
      position: relative;
      z-index: 2;
      color: var(--page-nhatvipgame-text-color-light);
      text-align: center;
      padding: 0 15px;
    }

    .page-nhatvipgame__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-nhatvipgame-text-color-accent);
      line-height: 1.2;
    }

    .page-nhatvipgame__hero-description {
      font-size: 1.1em;
      max-width: 700px;
      margin: 0 auto 30px auto;
      color: var(--page-nhatvipgame-text-color-light);
    }

    /* Floating Login Button */
    .page-nhatvipgame__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      background-color: var(--page-nhatvipgame-button-bg);
      color: var(--page-nhatvipgame-button-text);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
      transition: background-color 0.3s ease, transform 0.2s ease;
      white-space: nowrap;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .page-nhatvipgame__floating-button:hover {
      background-color: var(--page-nhatvipgame-hover-bg);
      transform: translateX(-50%) translateY(-3px);
    }

    /* Game Categories */
    .page-nhatvipgame__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-nhatvipgame__game-card {
      background-color: var(--page-nhatvipgame-faq-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      border: 1px solid var(--page-nhatvipgame-border-color);
    }

    .page-nhatvipgame__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px var(--page-nhatvipgame-shadow-color);
    }

    .page-nhatvipgame__game-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
      display: flex;
      justify-content: center;
      align-items: center;
    }

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

    .page-nhatvipgame__game-card-content {
      padding: 20px;
    }

    .page-nhatvipgame__game-card-title {
      font-size: 1.5em;
      color: var(--page-nhatvipgame-text-color-accent);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-nhatvipgame__game-card-title a {
      color: var(--page-nhatvipgame-text-color-accent);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-nhatvipgame__game-card-title a:hover {
      color: var(--page-nhatvipgame-hover-bg);
    }

    .page-nhatvipgame__game-card-description {
      font-size: 0.95em;
      color: var(--page-nhatvipgame-text-color-light);
      margin-bottom: 15px;
    }

    /* Promotions Section */
    .page-nhatvipgame__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-nhatvipgame__promo-card {
      background-color: var(--page-nhatvipgame-faq-bg);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      padding: 25px;
      text-align: left;
      border: 1px solid var(--page-nhatvipgame-border-color);
    }

    .page-nhatvipgame__promo-card-title {
      font-size: 1.8em;
      color: var(--page-nhatvipgame-text-color-accent);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-nhatvipgame__promo-card-description {
      font-size: 1em;
      color: var(--page-nhatvipgame-text-color-light);
      margin-bottom: 20px;
    }

    /* Guide Section */
    .page-nhatvipgame__guide-steps {
      display: flex;
      flex-direction: column;
      gap: 30px;
      margin-top: 30px;
      text-align: left;
    }

    .page-nhatvipgame__guide-step {
      display: flex;
      align-items: center;
      gap: 20px;
      background-color: var(--page-nhatvipgame-faq-bg);
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
      border: 1px solid var(--page-nhatvipgame-border-color);
    }

    .page-nhatvipgame__guide-step-icon-wrapper {
      width: 80px;
      height: 80px;
      flex-shrink: 0;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: var(--page-nhatvipgame-text-color-accent);
      border-radius: 50%;
      font-size: 2.5em;
      font-weight: bold;
      color: var(--page-nhatvipgame-button-text);
      box-shadow: 0 2px 8px rgba(255, 215, 0, 0.5);
    }

    .page-nhatvipgame__guide-step-content h3 {
      font-size: 1.6em;
      color: var(--page-nhatvipgame-text-color-accent);
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-nhatvipgame__guide-step-content p {
      font-size: 1em;
      color: var(--page-nhatvipgame-text-color-light);
      margin-bottom: 0;
    }

    /* App Download Section */
    .page-nhatvipgame__app-download-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 30px;
      margin-top: 30px;
    }

    .page-nhatvipgame__app-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-nhatvipgame__app-image {
      max-width: 300px;
      height: auto;
      border-radius: 15px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-nhatvipgame__qr-code-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-top: 20px;
      flex-direction: column;
      gap: 15px;
    }

    .page-nhatvipgame__qr-code {
      width: 200px;
      height: 200px;
      border: 5px solid var(--page-nhatvipgame-text-color-accent);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(255, 215, 0, 0.5);
    }

    .page-nhatvipgame__app-links {
      display: flex;
      flex-direction: column;
      gap: 15px;
      margin-top: 20px;
    }

    .page-nhatvipgame__app-link {
      display: flex;
      align-items: center;
      gap: 10px;
      background-color: var(--page-nhatvipgame-faq-bg);
      padding: 12px 20px;
      border-radius: 8px;
      text-decoration: none;
      color: var(--page-nhatvipgame-text-color-light);
      font-weight: bold;
      font-size: 1.1em;
      border: 1px solid var(--page-nhatvipgame-border-color);
      transition: background-color 0.3s ease, border-color 0.3s ease;
    }

    .page-nhatvipgame__app-link:hover {
      background-color: #2a2a2a;
      border-color: var(--page-nhatvipgame-text-color-accent);
    }

    /* Why Choose Us Section */
    .page-nhatvipgame__advantages-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-nhatvipgame__advantage-card {
      background-color: var(--page-nhatvipgame-faq-bg);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      padding: 25px;
      text-align: center;
      border: 1px solid var(--page-nhatvipgame-border-color);
    }

    .page-nhatvipgame__advantage-icon {
      width: 60px;
      height: 60px;
      margin-bottom: 15px;
      color: var(--page-nhatvipgame-text-color-accent);
      font-size: 3em;
    }

    .page-nhatvipgame__advantage-title {
      font-size: 1.6em;
      color: var(--page-nhatvipgame-text-color-accent);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-nhatvipgame__advantage-description {
      font-size: 1em;
      color: var(--page-nhatvipgame-text-color-light);
    }

    /* FAQ Section */
    .page-nhatvipgame__faq-container {
      margin-top: 30px;
      text-align: left;
    }

    .page-nhatvipgame__faq-item {
      background-color: var(--page-nhatvipgame-faq-bg);
      border: 1px solid var(--page-nhatvipgame-faq-border);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-nhatvipgame__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      cursor: pointer;
      user-select: none;
      background-color: #111111;
      transition: background-color 0.3s ease;
    }

    .page-nhatvipgame__faq-question:hover {
      background-color: #222222;
    }

    .page-nhatvipgame__faq-question h3 {
      font-size: 1.2em;
      color: var(--page-nhatvipgame-text-color-light);
      margin: 0;
      pointer-events: none; /* Prevents text selection interference with click */
      flex-grow: 1;
    }

    .page-nhatvipgame__faq-toggle {
      font-size: 1.8em;
      color: var(--page-nhatvipgame-text-color-accent);
      font-weight: bold;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevents icon interference with click */
    }

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

    .page-nhatvipgame__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      color: var(--page-nhatvipgame-text-color-light);
      font-size: 0.95em;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-nhatvipgame__faq-item.active .page-nhatvipgame__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 15px !important;
      opacity: 1;
    }

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

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

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-nhatvipgame__section {
        padding: 30px 10px;
      }

      .page-nhatvipgame__section-title {
        font-size: 2em;
        margin-bottom: 20px;
      }

      .page-nhatvipgame__hero-title {
        font-size: 2em;
      }

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

      .page-nhatvipgame__button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-nhatvipgame__floating-button {
        padding: 10px 20px;
        font-size: 1em;
        bottom: 15px;
      }

      .page-nhatvipgame__game-grid,
      .page-nhatvipgame__promo-grid,
      .page-nhatvipgame__advantages-grid {
        grid-template-columns: 1fr;
      }

      .page-nhatvipgame__game-card-title {
        font-size: 1.3em;
      }

      .page-nhatvipgame__promo-card-title {
        font-size: 1.5em;
      }

      .page-nhatvipgame__guide-step {
        flex-direction: column;
        text-align: center;
      }

      .page-nhatvipgame__guide-step-icon-wrapper {
        margin-bottom: 15px;
      }

      .page-nhatvipgame__app-links {
        flex-direction: column;
        align-items: center;
      }

      .page-nhatvipgame__advantage-title {
        font-size: 1.4em;
      }

      .page-nhatvipgame__faq-question {
        padding: 15px 15px;
      }

      .page-nhatvipgame__faq-question h3 {
        font-size: 1.1em;
      }

      .page-nhatvipgame__faq-answer {
        padding: 0 10px;
      }

      .page-nhatvipgame__faq-item.active .page-nhatvipgame__faq-answer {
        padding: 15px 10px !important;
      }

      /* Image responsive important styles */
      .page-nhatvipgame__hero-image,
      .page-nhatvipgame__game-card-image,
      .page-nhatvipgame__app-image,
      .page-nhatvipgame__qr-code {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-nhatvipgame__hero-image-wrapper,
      .page-nhatvipgame__game-card-image-wrapper,
      .page-nhatvipgame__app-image-wrapper,
      .page-nhatvipgame__qr-code-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-nhatvipgame__hero-title {
        font-size: 1.8em;
      }
      .page-nhatvipgame__floating-button {
        font-size: 0.9em;
        padding: 8px 15px;
      }
      .page-nhatvipgame__section-title {
        font-size: 1.8em;
      }
    }