.page-huong-dan-choi {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #FFF1E8; /* Text Main */
  background-color: #140C0C; /* Background */
}

.page-huong-dan-choi__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding */
  padding-bottom: 50px;
  overflow: hidden;
  background: linear-gradient(180deg, #140C0C 0%, #2A1212 100%);
}

.page-huong-dan-choi__hero-image {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  margin-bottom: 30px;
}

.page-huong-dan-choi__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-huong-dan-choi__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-huong-dan-choi__main-title {
  font-weight: 700;
  line-height: 1.2;
  color: #F3C54D; /* Gold */
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.page-huong-dan-choi__tagline {
  font-size: 1.15em;
  margin-bottom: 30px;
  color: #FFF1E8;
}

.page-huong-dan-choi__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.page-huong-dan-choi__btn-primary,
.page-huong-dan-choi__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  min-width: 180px;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-huong-dan-choi__btn-primary {
  background: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%); /* Button custom color */
  color: #140C0C; /* Dark text for contrast on bright button */
  border: none;
}

.page-huong-dan-choi__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.page-huong-dan-choi__btn-secondary {
  background: transparent;
  color: #F3C54D; /* Gold */
  border: 2px solid #F3C54D; /* Gold */
}

.page-huong-dan-choi__btn-secondary:hover {
  background: #F3C54D;
  color: #140C0C; /* Dark text for contrast */
  transform: translateY(-2px);
}

.page-huong-dan-choi__section {
  padding: 60px 0;
  background-color: #140C0C; /* Background */
}

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

.page-huong-dan-choi__section-title {
  font-weight: 700;
  color: #F3C54D; /* Gold */
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 10px;
}

.page-huong-dan-choi__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: #C61F1F; /* Main Color */
  border-radius: 2px;
}

.page-huong-dan-choi__text-block {
  font-size: 1.05em;
  color: #FFF1E8;
  margin-bottom: 20px;
  text-align: justify;
}

.page-huong-dan-choi__highlight {
  color: #F3C54D; /* Gold */
  font-weight: 600;
}

.page-huong-dan-choi__content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-huong-dan-choi__content-item {
  background-color: #2A1212; /* Card BG */
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid #6A1E1E; /* Border */
}

.page-huong-dan-choi__content-item img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  min-width: 200px;
  min-height: 200px;
}

.page-huong-dan-choi__item-title {
  font-size: 1.4em;
  color: #F3C54D; /* Gold */
  margin-bottom: 15px;
}

.page-huong-dan-choi__cta-center {
  text-align: center;
  margin-top: 40px;
}

.page-huong-dan-choi__download-options {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.page-huong-dan-choi__download-item {
  background-color: #2A1212; /* Card BG */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid #6A1E1E; /* Border */
  flex: 1;
  min-width: 280px;
  max-width: 400px;
}

.page-huong-dan-choi__download-item img {
  max-width: 100%;
  height: auto;
  margin-bottom: 20px;
  min-width: 200px;
  min-height: 200px;
}

.page-huong-dan-choi__download-item p {
  color: #FFF1E8;
  margin-bottom: 20px;
}

.page-huong-dan-choi__product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-huong-dan-choi__card {
  background-color: #2A1212; /* Card BG */
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid #6A1E1E; /* Border */
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-huong-dan-choi__card img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 15px;
  min-width: 200px;
  min-height: 200px;
}

.page-huong-dan-choi__card-title {
  font-size: 1.3em;
  color: #F3C54D; /* Gold */
  margin-bottom: 10px;
}

.page-huong-dan-choi__card-title a {
  color: #F3C54D;
  text-decoration: none;
}

.page-huong-dan-choi__card-title a:hover {
  text-decoration: underline;
}

.page-huong-dan-choi__card p {
  color: #FFF1E8;
  font-size: 0.95em;
  margin-bottom: 15px;
  flex-grow: 1;
}

.page-huong-dan-choi__btn-link {
  display: inline-block;
  color: #FFB04A;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid #FFB04A;
  padding: 8px 15px;
  border-radius: 5px;
  transition: all 0.3s ease;
}

.page-huong-dan-choi__btn-link:hover {
  background-color: #FFB04A;
  color: #140C0C;
}

.page-huong-dan-choi__article-body {
  max-width: 900px;
  margin: 0 auto;
  color: #FFF1E8;
}

.page-huong-dan-choi__article-body h3 {
  font-size: 1.5em;
  color: #F3C54D; /* Gold */
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-huong-dan-choi__article-body p {
  margin-bottom: 15px;
  text-align: justify;
}

.page-huong-dan-choi__faq-list {
  margin-top: 40px;
}

details.page-huong-dan-choi__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid #6A1E1E; /* Border */
  overflow: hidden;
  background: #2A1212; /* Card BG */
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

details.page-huong-dan-choi__faq-item summary.page-huong-dan-choi__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: #FFF1E8;
}

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

details.page-huong-dan-choi__faq-item summary.page-huong-dan-choi__faq-question:hover {
  background: #3A1E1E;
}

.page-huong-dan-choi__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #F3C54D; /* Gold */
}

.page-huong-dan-choi__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FFB04A; /* Button light color */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-huong-dan-choi__faq-item .page-huong-dan-choi__faq-answer {
  padding: 0 25px 20px;
  background: #1F0F0F;
  border-radius: 0 0 10px 10px;
  color: #FFF1E8;
}

.page-huong-dan-choi__cta-section {
  padding: 80px 0;
  background: linear-gradient(180deg, #2A1212 0%, #140C0C 100%);
  text-align: center;
}

.page-huong-dan-choi__cta-content {
  max-width: 800px;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
  .page-huong-dan-choi__main-title {
    font-size: 2.5em;
  }
  .page-huong-dan-choi__tagline {
    font-size: 1em;
  }
  .page-huong-dan-choi__section-title {
    font-size: 2em;
  }
  .page-huong-dan-choi__content-item img,
  .page-huong-dan-choi__download-item img,
  .page-huong-dan-choi__card img {
    max-width: 90%;
  }
}

@media (max-width: 768px) {
  .page-huong-dan-choi {
    font-size: 15px;
  }

  .page-huong-dan-choi__hero-section {
    padding-top: 10px;
    padding-bottom: 30px;
  }

  .page-huong-dan-choi__hero-image {
    max-height: 300px;
    margin-bottom: 20px;
  }

  .page-huong-dan-choi__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    max-width: 100% !important;
    height: auto !important;
  }

  .page-huong-dan-choi__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em); /* Use clamp for H1 */
    margin-bottom: 15px;
  }

  .page-huong-dan-choi__tagline {
    font-size: 0.95em;
    margin-bottom: 25px;
  }

  .page-huong-dan-choi__cta-buttons {
    flex-direction: column;
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 15px;
  }

  .page-huong-dan-choi__btn-primary,
  .page-huong-dan-choi__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    min-width: unset;
  }

  .page-huong-dan-choi__section {
    padding: 40px 0;
  }

  .page-huong-dan-choi__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-huong-dan-choi__section-title {
    font-size: 1.6em;
    margin-bottom: 30px;
  }

  .page-huong-dan-choi__text-block {
    font-size: 1em;
  }

  .page-huong-dan-choi__content-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-huong-dan-choi__content-item {
    padding: 20px;
  }

  .page-huong-dan-choi__content-item img,
  .page-huong-dan-choi__download-item img,
  .page-huong-dan-choi__card img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  .page-huong-dan-choi__item-title {
    font-size: 1.2em;
  }

  .page-huong-dan-choi__download-options {
    flex-direction: column;
    gap: 20px;
  }

  .page-huong-dan-choi__download-item {
    max-width: 100% !important;
    width: 100% !important;
    min-width: unset;
    padding: 20px;
  }

  .page-huong-dan-choi__product-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .page-huong-dan-choi__card-title {
    font-size: 1.1em;
  }

  .page-huong-dan-choi__card p {
    font-size: 0.9em;
  }

  .page-huong-dan-choi__btn-link {
    padding: 6px 12px;
    font-size: 0.9em;
  }

  .page-huong-dan-choi__article-body {
    padding: 0 10px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-huong-dan-choi__article-body h3 {
    font-size: 1.3em;
  }

  .page-huong-dan-choi__faq-item summary.page-huong-dan-choi__faq-question {
    padding: 15px;
  }

  .page-huong-dan-choi__faq-qtext {
    font-size: 1em;
  }

  .page-huong-dan-choi__faq-toggle {
    font-size: 20px;
    width: 24px;
  }

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

  .page-huong-dan-choi__cta-section {
    padding: 50px 0;
  }
}