.page-huong-dan-choi {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #F3F8FF; /* Text Main */
  background-color: var(--deep-navy-color); /* Body background from shared.css */
}

.page-huong-dan-choi__hero-intro {
  padding-top: 10px; /* Small top padding, not --header-offset */
  padding-bottom: 60px;
  background: linear-gradient(180deg, #113B7A 0%, #08162B 100%);
}

.page-huong-dan-choi__intro-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.page-huong-dan-choi__intro-content {
  flex: 1 1 50%;
  min-width: 300px;
  color: #F3F8FF;
}

.page-huong-dan-choi__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: bold;
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-huong-dan-choi__intro-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #AFC4E8; /* Text Secondary */
}

.page-huong-dan-choi__cta-group {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.page-huong-dan-choi__btn-primary,
.page-huong-dan-choi__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  font-size: 1rem;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-huong-dan-choi__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-huong-dan-choi__btn-primary:hover {
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
  transform: translateY(-2px);
}

.page-huong-dan-choi__btn-secondary {
  background: #10233F; /* Card BG */
  color: #F3F8FF; /* Text Main */
  border: 2px solid #244D84; /* Border */
}

.page-huong-dan-choi__btn-secondary:hover {
  background: #244D84; /* Border */
  color: #ffffff;
  transform: translateY(-2px);
}

.page-huong-dan-choi__intro-image {
  flex: 1 1 40%;
  min-width: 300px;
  text-align: center;
}

.page-huong-dan-choi__intro-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  display: block;
  margin: 0 auto;
}

.page-huong-dan-choi__section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.page-huong-dan-choi__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-huong-dan-choi__section-description {
  font-size: 1rem;
  color: #AFC4E8;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}

.page-huong-dan-choi__dark-section {
  background-color: #10233F; /* Card BG */
  color: #F3F8FF;
}

.page-huong-dan-choi__steps-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-huong-dan-choi__step-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-huong-dan-choi__step-item {
  background-color: #08162B; /* Deep Navy */
  border: 1px solid #244D84;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-huong-dan-choi__step-item:hover {
  transform: translateY(-5px);
}

.page-huong-dan-choi__step-item img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 25px;
  display: block;
  min-width: 200px;
  min-height: 200px;
}

.page-huong-dan-choi__step-title {
  font-size: 1.5rem;
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-huong-dan-choi__step-item p {
  color: #AFC4E8;
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-huong-dan-choi__tips-section {
  padding-top: 80px;
  padding-bottom: 80px;
  background-color: var(--deep-navy-color);
}

.page-huong-dan-choi__tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-huong-dan-choi__tip-card {
  background-color: #10233F; /* Card BG */
  border: 1px solid #244D84;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-huong-dan-choi__tip-card:hover {
  transform: translateY(-5px);
}

.page-huong-dan-choi__tip-card img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 25px;
  display: block;
  min-width: 200px;
  min-height: 200px;
}

.page-huong-dan-choi__card-title {
  font-size: 1.4rem;
  color: #F2C14E; /* Gold */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-huong-dan-choi__tip-card p {
  color: #AFC4E8;
  flex-grow: 1;
}

.page-huong-dan-choi__faq-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-huong-dan-choi__faq-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.page-huong-dan-choi__faq-item {
  background-color: #08162B; /* Deep Navy */
  border: 1px solid #244D84;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-huong-dan-choi__faq-item[open] {
  background-color: #10233F; /* Card BG when open */
}

.page-huong-dan-choi__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: bold;
  color: #F3F8FF;
  cursor: pointer;
  list-style: none;
  background-color: #113B7A;
  border-bottom: 1px solid #1B3357; /* Divider */
}

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

.page-huong-dan-choi__faq-qtext {
  flex-grow: 1;
}

.page-huong-dan-choi__faq-toggle {
  font-size: 1.5rem;
  margin-left: 15px;
  color: #F2C14E; /* Gold */
}

.page-huong-dan-choi__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: #AFC4E8;
  background-color: #10233F; /* Card BG */
}

.page-huong-dan-choi__faq-answer p {
  margin: 0;
}

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

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

  /* HERO Intro Section (as per non-homepage rules, this is the main intro block) */
  .page-huong-dan-choi__hero-intro {
    padding-top: 10px !important; /* Small top padding, NOT --header-offset */
    padding-bottom: 40px;
  }

  .page-huong-dan-choi__intro-container {
    flex-direction: column;
    padding: 15px;
    gap: 25px;
  }

  .page-huong-dan-choi__main-title {
    font-size: 2rem;
    text-align: center;
  }

  .page-huong-dan-choi__intro-description {
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 25px;
  }

  .page-huong-dan-choi__cta-group {
    flex-direction: column;
    gap: 10px;
    width: 100%; /* Ensure container takes full width */
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
  }

  .page-huong-dan-choi__btn-primary,
  .page-huong-dan-choi__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  .page-huong-dan-choi__intro-image {
    order: -1; /* Image above content on mobile */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
  }

  .page-huong-dan-choi__intro-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* Generic Images and Containers (applies to all img within .page-huong-dan-choi) */
  .page-huong-dan-choi img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* General content section containers */
  .page-huong-dan-choi__section-container {
    padding: 25px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important; /* Prevent content overflow */
  }

  .page-huong-dan-choi__section-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
  }

  .page-huong-dan-choi__section-description {
    font-size: 0.9rem;
    margin-bottom: 30px;
  }

  /* Steps Section */
  .page-huong-dan-choi__steps-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .page-huong-dan-choi__step-list {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 25px;
  }

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

  .page-huong-dan-choi__step-title {
    font-size: 1.3rem;
  }

  /* Tips Section */
  .page-huong-dan-choi__tips-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .page-huong-dan-choi__tips-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 25px;
  }

  .page-huong-dan-choi__tip-card {
    padding: 20px;
  }

  .page-huong-dan-choi__card-title {
    font-size: 1.2rem;
  }

  /* FAQ Section */
  .page-huong-dan-choi__faq-section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .page-huong-dan-choi__faq-list {
    margin-top: 25px;
    gap: 10px;
  }

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

  .page-huong-dan-choi__faq-toggle {
    font-size: 1.3rem;
  }

  .page-huong-dan-choi__faq-answer {
    padding: 15px 20px;
    font-size: 0.95rem;
  }
}