:root {
      --page-pg66link__primary-color: #e44d26; /* Cam đỏ */
      --page-pg66link__secondary-color: #f7b23b; /* Vàng cam */
      --page-pg66link__accent-color: #4CAF50; /* Xanh lá cây */
      --page-pg66link__dark-bg: #1a1a1a;
      --page-pg66link__light-bg: #f5f5f5;
      --page-pg66link__text-color: #333;
      --page-pg66link__light-text: #ffffff;
      --page-pg66link__border-radius: 8px;
      --page-pg66link__spacing-unit: 1rem;
    }

    .page-pg66link {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-pg66link__text-color);
      background-color: var(--page-pg66link__light-bg);
      padding-bottom: 80px; /* Space for fixed footer */
    }

    .page-pg66link__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--page-pg66link__spacing-unit);
    }

    .page-pg66link__section {
      padding: calc(2 * var(--page-pg66link__spacing-unit)) 0;
      text-align: center;
    }

    .page-pg66link__section--dark {
      background-color: var(--page-pg66link__dark-bg);
      color: var(--page-pg66link__light-text);
    }

    .page-pg66link__section-title {
      font-size: 2.5rem;
      margin-bottom: calc(1.5 * var(--page-pg66link__spacing-unit));
      color: var(--page-pg66link__primary-color);
      font-weight: bold;
    }

    .page-pg66link__section--dark .page-pg66link__section-title {
      color: var(--page-pg66link__secondary-color);
    }

    .page-pg66link__text-block {
      max-width: 800px;
      margin: 0 auto 2rem auto;
      font-size: 1.1rem;
      line-height: 1.8;
    }

    /* Hero Section */
    .page-pg66link__hero-section {
      position: relative;
      overflow: hidden;
      padding-top: 10px; /* For fixed header */
      padding-bottom: calc(3 * var(--page-pg66link__spacing-unit));
      background-color: var(--page-pg66link__dark-bg);
      color: var(--page-pg66link__light-text);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .page-pg66link__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      object-fit: cover;
      display: block;
      margin-bottom: var(--page-pg66link__spacing-unit);
      border-radius: var(--page-pg66link__border-radius);
    }

    .page-pg66link__hero-content {
      position: relative;
      z-index: 2;
      padding: 0 var(--page-pg66link__spacing-unit);
      text-align: center;
      max-width: 900px;
    }

    .page-pg66link__hero-title {
      font-size: 3.5rem;
      margin-bottom: var(--page-pg66link__spacing-unit);
      color: var(--page-pg66link__secondary-color);
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    }

    .page-pg66link__hero-subtitle {
      font-size: 1.5rem;
      margin-bottom: calc(2 * var(--page-pg66link__spacing-unit));
      color: var(--page-pg66link__light-text);
      text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
    }

    .page-pg66link__cta-button {
      display: inline-block;
      background-color: var(--page-pg66link__primary-color);
      color: var(--page-pg66link__light-text);
      padding: 1rem 2rem;
      border-radius: var(--page-pg66link__border-radius);
      text-decoration: none;
      font-size: 1.2rem;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
      white-space: nowrap;
    }

    .page-pg66link__cta-button:hover {
      background-color: #d13a1a;
      transform: translateY(-2px);
    }

    /* Floating Button */
    .page-pg66link__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-pg66link__accent-color);
      color: var(--page-pg66link__light-text);
      padding: 0.8rem 1.5rem;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1rem;
      font-weight: bold;
      box-shadow: 0 6px 15px rgba(0,0,0,0.4);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      white-space: nowrap;
    }

    .page-pg66link__floating-button:hover {
      background-color: #3e8e41;
      transform: translateX(-50%) translateY(-3px);
    }

    /* Game Grid */
    .page-pg66link__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: calc(1.5 * var(--page-pg66link__spacing-unit));
      margin-top: calc(2 * var(--page-pg66link__spacing-unit));
    }

    .page-pg66link__game-card {
      background-color: #ffffff;
      border-radius: var(--page-pg66link__border-radius);
      box-shadow: 0 4px 12px 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;
      align-items: center;
      justify-content: center;
      padding: var(--page-pg66link__spacing-unit);
    }

    .page-pg66link__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    }

    .page-pg66link__game-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: var(--page-pg66link__spacing-unit);
    }

    .page-pg66link__game-image {
      max-width: 100%;
      height: auto;
      border-radius: var(--page-pg66link__border-radius);
      object-fit: cover;
      display: block;
      margin: 0 auto;
    }

    .page-pg66link__game-name {
      font-size: 1.3rem;
      font-weight: bold;
      color: var(--page-pg66link__primary-color);
      margin-bottom: var(--page-pg66link__spacing-unit);
    }

    .page-pg66link__game-description {
      font-size: 0.95rem;
      color: #666;
      padding: 0 var(--page-pg66link__spacing-unit);
      margin-bottom: var(--page-pg66link__spacing-unit);
      flex-grow: 1;
    }

    /* Promotion Cards */
    .page-pg66link__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: calc(1.5 * var(--page-pg66link__spacing-unit));
      margin-top: calc(2 * var(--page-pg66link__spacing-unit));
    }

    .page-pg66link__promo-card {
      background-color: var(--page-pg66link__light-text);
      border-radius: var(--page-pg66link__border-radius);
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      padding: calc(1.5 * var(--page-pg66link__spacing-unit));
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-pg66link__promo-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    }

    .page-pg66link__promo-title {
      font-size: 1.5rem;
      color: var(--page-pg66link__primary-color);
      margin-bottom: var(--page-pg66link__spacing-unit);
      font-weight: bold;
    }

    .page-pg66link__promo-desc {
      font-size: 1rem;
      color: #555;
      margin-bottom: calc(1.5 * var(--page-pg66link__spacing-unit));
    }

    .page-pg66link__promo-button {
      background-color: var(--page-pg66link__accent-color);
      color: var(--page-pg66link__light-text);
      padding: 0.8rem 1.5rem;
      border-radius: var(--page-pg66link__border-radius);
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      display: inline-block;
    }

    .page-pg66link__promo-button:hover {
      background-color: #3e8e41;
    }

    /* Guide Steps */
    .page-pg66link__guide-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: calc(2 * var(--page-pg66link__spacing-unit));
      margin-top: calc(2 * var(--page-pg66link__spacing-unit));
    }

    .page-pg66link__guide-step {
      background-color: var(--page-pg66link__light-text);
      border-radius: var(--page-pg66link__border-radius);
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      padding: calc(1.5 * var(--page-pg66link__spacing-unit));
      flex: 1 1 300px;
      max-width: 350px;
      text-align: center;
    }

    .page-pg66link__guide-icon-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin: 0 auto 1rem auto;
    }

    .page-pg66link__guide-icon {
      max-width: 100%;
      height: auto;
      object-fit: contain;
      margin-bottom: var(--page-pg66link__spacing-unit);
    }

    .page-pg66link__guide-title {
      font-size: 1.4rem;
      color: var(--page-pg66link__primary-color);
      margin-bottom: var(--page-pg66link__spacing-unit);
      font-weight: bold;
    }

    .page-pg66link__guide-text {
      font-size: 1rem;
      color: #666;
    }

    /* FAQ Section */
    .page-pg66link__faq-section {
      background-color: var(--page-pg66link__light-bg);
      padding: calc(3 * var(--page-pg66link__spacing-unit)) 0;
    }

    .page-pg66link__faq-list {
      max-width: 900px;
      margin: 0 auto;
      text-align: left;
    }

    .page-pg66link__faq-item {
      background-color: var(--page-pg66link__light-text);
      border: 1px solid #ddd;
      border-radius: var(--page-pg66link__border-radius);
      margin-bottom: var(--page-pg66link__spacing-unit);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }

    .page-pg66link__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      background-color: #f9f9f9;
      border-bottom: 1px solid #eee;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-pg66link__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-pg66link__faq-question h3 {
      margin: 0;
      font-size: 1.15rem;
      color: var(--page-pg66link__primary-color);
      font-weight: bold;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-pg66link__faq-toggle {
      font-size: 1.8rem;
      font-weight: bold;
      color: var(--page-pg66link__primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      line-height: 1; /* Adjust line height for better alignment */
    }

    .page-pg66link__faq-item.active .page-pg66link__faq-toggle {
      transform: rotate(45deg); /* Rotate plus to form cross/minus */
      color: var(--page-pg66link__accent-color);
    }

    .page-pg66link__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: #ffffff;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: #444;
      font-size: 1rem;
    }

    .page-pg66link__faq-item.active .page-pg66link__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Why Choose Section */
    .page-pg66link__why-choose-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: calc(1.5 * var(--page-pg66link__spacing-unit));
      margin-top: calc(2 * var(--page-pg66link__spacing-unit));
      text-align: left;
    }

    .page-pg66link__why-choose-item {
      background-color: var(--page-pg66link__light-text);
      border-radius: var(--page-pg66link__border-radius);
      box-shadow: 0 4px 12px rgba(0,0,0,0.1);
      padding: calc(1.5 * var(--page-pg66link__spacing-unit));
      display: flex;
      align-items: flex-start;
      gap: var(--page-pg66link__spacing-unit);
    }

    .page-pg66link__why-choose-icon-wrapper {
      flex-shrink: 0;
      width: 100px; /* Adjust size as needed */
      height: 100px; /* Adjust size as needed */
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      border-radius: 50%;
      background-color: var(--page-pg66link__primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-pg66link__why-choose-icon {
      width: 80%;
      height: 80%;
      object-fit: contain;
      display: block;
    }

    .page-pg66link__why-choose-content h4 {
      font-size: 1.3rem;
      color: var(--page-pg66link__primary-color);
      margin-top: 0;
      margin-bottom: 0.5rem;
    }

    .page-pg66link__why-choose-content p {
      font-size: 0.95rem;
      color: #666;
      margin-bottom: 0;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-pg66link__hero-section {
        padding-top: 10px; /* Mobile fixed header spacing */
        padding-bottom: calc(2 * var(--page-pg66link__spacing-unit));
      }

      .page-pg66link__hero-title {
        font-size: 2.5rem;
      }

      .page-pg66link__hero-subtitle {
        font-size: 1.2rem;
      }

      .page-pg66link__cta-button {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
      }

      .page-pg66link__section-title {
        font-size: 2rem;
      }

      .page-pg66link__text-block {
        font-size: 1rem;
      }

      .page-pg66link__floating-button {
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
        bottom: 15px;
      }

      .page-pg66link__game-grid,
      .page-pg66link__promo-grid,
      .page-pg66link__why-choose-list {
        grid-template-columns: 1fr;
      }

      .page-pg66link__game-card,
      .page-pg66link__promo-card,
      .page-pg66link__guide-step,
      .page-pg66link__why-choose-item {
        max-width: 100%;
      }

      .page-pg66link__guide-steps {
        flex-direction: column;
        align-items: center;
      }

      .page-pg66link__faq-question {
        padding: 12px 15px;
      }

      .page-pg66link__faq-question h3 {
        font-size: 1rem;
      }

      .page-pg66link__faq-toggle {
        font-size: 1.5rem;
      }

      .page-pg66link__faq-answer {
        padding: 15px !important;
        font-size: 0.95rem;
      }

      /* Force responsive image styles */
      .page-pg66link__hero-image,
      .page-pg66link__game-image,
      .page-pg66link__guide-icon,
      .page-pg66link__why-choose-icon {
        max-width: 100% !important;
        height: auto !important;
      }

      .page-pg66link__hero-section .page-pg66link__hero-image-container,
      .page-pg66link__game-image-wrapper,
      .page-pg66link__guide-icon-wrapper,
      .page-pg66link__why-choose-icon-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }

      .page-pg66link__why-choose-icon-wrapper {
        width: 80px;
        height: 80px;
      }
    }