.page-huong-dan-choi {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light backgrounds */
  background-color: #F5F7FA; /* Background color for the entire page content */
}

.page-huong-dan-choi__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.page-huong-dan-choi__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 40px;
}

.page-huong-dan-choi__hero-image {
  width: 100%;
  max-width: 1200px;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-huong-dan-choi__hero-content-block {
  background: #FFFFFF; /* Card BG */
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  max-width: 900px;
  width: 100%;
  transform: translateY(-40px); /* Slightly overlap with image */
  position: relative;
  z-index: 1;
}

.page-huong-dan-choi__main-title {
  font-size: 2.8em;
  font-weight: bold;
  color: #E53935;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-huong-dan-choi__hero-description {
  font-size: 1.2em;
  color: #333333;
  margin-bottom: 25px;
}

.page-huong-dan-choi__section-title {
  font-size: 2.2em;
  font-weight: bold;
  margin-bottom: 30px;
  text-align: center;
  color: #E53935;
}

.page-huong-dan-choi__text-block {
  font-size: 1em;
  margin-bottom: 15px;
  text-align: justify;
}

.page-huong-dan-choi__cta-button {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.2s ease;
  max-width: 100%; /* Ensure responsiveness */
  box-sizing: border-box;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
}

.page-huong-dan-choi__btn-primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: none;
}

.page-huong-dan-choi__btn-primary:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.page-huong-dan-choi__btn-secondary {
  background: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-huong-dan-choi__btn-secondary:hover {
  transform: translateY(-2px);
  background-color: #f0f0f0;
}

.page-huong-dan-choi__introduction-section,
.page-huong-dan-choi__guide-section,
.page-huong-dan-choi__game-guide-section,
.page-huong-dan-choi__tips-section,
.page-huong-dan-choi__app-download-section,
.page-huong-dan-choi__faq-section,
.page-huong-dan-choi__conclusion-section {
  padding: 40px 0;
  margin-bottom: 30px;
  border-radius: 8px;
}

.page-huong-dan-choi__light-bg {
  background-color: #FFFFFF; /* Card BG */
  color: #333333;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-huong-dan-choi__dark-bg {
  background-color: #E53935; /* Primary color */
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-huong-dan-choi__dark-bg .page-huong-dan-choi__section-title,
.page-huong-dan-choi__dark-bg .page-huong-dan-choi__text-block,
.page-huong-dan-choi__dark-bg .page-huong-dan-choi__list-item,
.page-huong-dan-choi__dark-bg .page-huong-dan-choi__game-category-title,
.page-huong-dan-choi__dark-bg .page-huong-dan-choi__app-benefit-title,
.page-huong-dan-choi__dark-bg .page-huong-dan-choi__app-download-title {
  color: #ffffff;
}

.page-huong-dan-choi__content-grid {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-bottom: 30px;
}

.page-huong-dan-choi__content-grid--reverse {
  flex-direction: row-reverse;
}

.page-huong-dan-choi__text-column {
  flex: 1;
}

.page-huong-dan-choi__image-column {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-huong-dan-choi__content-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.page-huong-dan-choi__step-list,
.page-huong-dan-choi__tip-list,
.page-huong-dan-choi__benefit-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.page-huong-dan-choi__list-item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 1.05em;
}

.page-huong-dan-choi__list-item::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: #FF5A4F; /* Auxiliary color */
  font-weight: bold;
}

.page-huong-dan-choi__dark-bg .page-huong-dan-choi__list-item::before {
  color: #ffffff;
}

.page-huong-dan-choi__game-category {
  margin-bottom: 50px;
  padding-bottom: 30px;
  border-bottom: 1px dashed #e0e0e0;
}

.page-huong-dan-choi__game-category:last-of-type {
  border-bottom: none;
}

.page-huong-dan-choi__game-category-title {
  font-size: 1.8em;
  color: #E53935;
  margin-bottom: 20px;
  text-align: center;
}

.page-huong-dan-choi__app-benefit-title,
.page-huong-dan-choi__app-download-title {
  font-size: 1.5em;
  color: #E53935;
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-huong-dan-choi__dark-bg .page-huong-dan-choi__app-benefit-title,
.page-huong-dan-choi__dark-bg .page-huong-dan-choi__app-download-title {
  color: #ffffff;
}

.page-huong-dan-choi__faq-list {
  margin-top: 30px;
}

.page-huong-dan-choi__faq-item {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-huong-dan-choi__dark-bg .page-huong-dan-choi__faq-item {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.page-huong-dan-choi__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: bold;
  color: #333333;
  cursor: pointer;
  list-style: none; /* For details summary */
}

.page-huong-dan-choi__dark-bg .page-huong-dan-choi__faq-question {
  color: #ffffff;
}

.page-huong-dan-choi__faq-question::-webkit-details-marker {
  display: none;
}

.page-huong-dan-choi__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: #E53935;
  transition: transform 0.3s ease;
}

.page-huong-dan-choi__dark-bg .page-huong-dan-choi__faq-toggle {
  color: #FF5A4F;
}

.page-huong-dan-choi__faq-item[open] .page-huong-dan-choi__faq-toggle {
  transform: rotate(45deg);
}

.page-huong-dan-choi__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  color: #555555;
}

.page-huong-dan-choi__dark-bg .page-huong-dan-choi__faq-answer {
  color: #f0f0f0;
}

.page-huong-dan-choi__button-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
  width: 100%; /* Ensure container takes full width */
  max-width: 100%;
  box-sizing: border-box;
}

/* General image and button responsiveness */
.page-huong-dan-choi img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .page-huong-dan-choi {
    font-size: 15px;
    line-height: 1.5;
  }

  .page-huong-dan-choi__container {
    padding: 15px;
  }

  .page-huong-dan-choi__hero-section {
    padding-top: 10px !important;
    margin-bottom: 20px;
  }

  .page-huong-dan-choi__hero-content-block {
    padding: 20px;
    transform: translateY(-20px); /* Adjust overlap */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }

  .page-huong-dan-choi__main-title {
    font-size: 2em;
    margin-bottom: 10px;
  }

  .page-huong-dan-choi__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-huong-dan-choi__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-huong-dan-choi__content-grid {
    flex-direction: column;
    gap: 20px;
  }

  .page-huong-dan-choi__content-grid--reverse {
    flex-direction: column;
  }

  .page-huong-dan-choi__text-column,
  .page-huong-dan-choi__image-column {
    flex: none;
    width: 100%;
  }

  .page-huong-dan-choi__cta-button,
  .page-huong-dan-choi__btn-primary,
  .page-huong-dan-choi__btn-secondary,
  .page-huong-dan-choi a[class*="button"],
  .page-huong-dan-choi a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
    margin-bottom: 10px; /* Add space between stacked buttons */
  }
  
  .page-huong-dan-choi__button-group {
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px; /* Space between stacked buttons */
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-huong-dan-choi img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-huong-dan-choi__introduction-section,
  .page-huong-dan-choi__guide-section,
  .page-huong-dan-choi__game-guide-section,
  .page-huong-dan-choi__tips-section,
  .page-huong-dan-choi__app-download-section,
  .page-huong-dan-choi__faq-section,
  .page-huong-dan-choi__conclusion-section {
    padding: 20px 0;
    margin-bottom: 20px;
  }

  .page-huong-dan-choi__list-item {
    padding-left: 25px;
    font-size: 1em;
  }

  .page-huong-dan-choi__game-category {
    margin-bottom: 30px;
    padding-bottom: 20px;
  }

  .page-huong-dan-choi__game-category-title {
    font-size: 1.5em;
    margin-bottom: 15px;
  }

  .page-huong-dan-choi__app-benefit-title,
  .page-huong-dan-choi__app-download-title {
    font-size: 1.3em;
    margin-top: 20px;
    margin-bottom: 10px;
  }

  .page-huong-dan-choi__faq-question {
    padding: 15px 20px;
    font-size: 1.05em;
  }

  .page-huong-dan-choi__faq-answer {
    padding: 0 20px 15px;
  }
}

/* No specific carousel, guide-box/grid, home-content-box/inner, blog-grid for this page, 
   so their mobile rules are not applicable here. Only general image/button rules are needed. */