.page-huong-dan-choi {
  font-family: 'Arial', sans-serif;
  color: #1F2D3D;
  background-color: #F4F7FB;
}

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

.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, assuming shared.css handles body padding-top */
  padding-bottom: 50px;
  overflow: hidden;
  background-color: #F4F7FB;
}

.page-huong-dan-choi__hero-image {
  width: 100%;
  max-height: 550px;
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-huong-dan-choi__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}

.page-huong-dan-choi__hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  margin-top: 30px;
  background: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.page-huong-dan-choi__main-title {
  font-weight: 700;
  line-height: 1.2;
  color: #2F6BFF;
  margin-bottom: 15px;
  letter-spacing: -0.02em;
  font-size: clamp(28px, 4vw, 48px);
}

.page-huong-dan-choi__hero-description {
  font-size: 1.15em;
  line-height: 1.6;
  color: #1F2D3D;
  margin-bottom: 30px;
}

.page-huong-dan-choi__hero-cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.page-huong-dan-choi__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-huong-dan-choi__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.3);
}

.page-huong-dan-choi__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(47, 107, 255, 0.4);
}

.page-huong-dan-choi__btn-secondary {
  background: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-huong-dan-choi__btn-secondary:hover {
  background: #f0f5ff;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.page-huong-dan-choi__section {
  padding: 60px 0;
  margin-bottom: 20px;
}

.page-huong-dan-choi__section-title {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 700;
  color: #2F6BFF;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.page-huong-dan-choi__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #2F6BFF, #6FA3FF);
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-huong-dan-choi__text-block {
  font-size: 1.05em;
  line-height: 1.7;
  color: #1F2D3D;
  margin-bottom: 20px;
  text-align: justify;
}

.page-huong-dan-choi__highlight {
  font-weight: 600;
  color: #2F6BFF;
}

.page-huong-dan-choi__grid {
  display: grid;
  gap: 30px;
}

.page-huong-dan-choi__grid--3-cols {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-huong-dan-choi__grid--2-cols {
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
}

.page-huong-dan-choi__card {
  background: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 25px;
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid #D6E2FF;
}

.page-huong-dan-choi__game-card .page-huong-dan-choi__card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.page-huong-dan-choi__card-title {
  font-size: 1.3em;
  font-weight: 600;
  color: #2F6BFF;
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-huong-dan-choi__card-title a {
  color: #2F6BFF;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-huong-dan-choi__card-title a:hover {
  color: #6FA3FF;
}

.page-huong-dan-choi__card-description {
  font-size: 0.95em;
  color: #1F2D3D;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 15px;
}

.page-huong-dan-choi__btn-text-link {
  color: #2F6BFF;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  margin-top: auto;
  transition: color 0.3s ease;
}

.page-huong-dan-choi__btn-text-link:hover {
  text-decoration: underline;
  color: #6FA3FF;
}

.page-huong-dan-choi__list {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.page-huong-dan-choi__list-item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 15px;
  font-size: 1.05em;
  line-height: 1.7;
  color: #1F2D3D;
}

.page-huong-dan-choi__list-item::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: #2F6BFF;
  font-weight: bold;
}

.page-huong-dan-choi__text-link {
  color: #2F6BFF;
  text-decoration: none;
  font-weight: 500;
}

.page-huong-dan-choi__text-link:hover {
  text-decoration: underline;
}

.page-huong-dan-choi__image-full-width {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  margin: 30px auto;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.page-huong-dan-choi__sub-title {
  font-size: 1.5em;
  font-weight: 600;
  color: #2F6BFF;
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-huong-dan-choi__dark-section {
  background: #2F6BFF;
  color: #ffffff;
  padding: 80px 0;
}

.page-huong-dan-choi__dark-section .page-huong-dan-choi__section-title {
  color: #ffffff;
}

.page-huong-dan-choi__dark-section .page-huong-dan-choi__section-title::after {
  background: #6FA3FF;
}

.page-huong-dan-choi__benefit-item {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.page-huong-dan-choi__benefit-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 15px;
}

.page-huong-dan-choi__benefit-title {
  font-size: 1.3em;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 10px;
}

.page-huong-dan-choi__benefit-description {
  font-size: 0.95em;
  line-height: 1.6;
  color: #f0f0f0;
  flex-grow: 1;
  margin-bottom: 15px;
}

.page-huong-dan-choi__text-link--white {
  color: #ffffff;
}

.page-huong-dan-choi__text-link--white:hover {
  color: #A5C4FF;
}

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

details.page-huong-dan-choi__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #D6E2FF;
  overflow: hidden;
  background: #fff;
}

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 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

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: #f5f5f5;
}

.page-huong-dan-choi__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #1F2D3D;
}

.page-huong-dan-choi__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #6FA3FF;
  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 20px 20px;
  background: #F4F7FB;
  border-radius: 0 0 5px 5px;
  color: #1F2D3D;
  line-height: 1.6;
}

.page-huong-dan-choi__faq-answer p {
    margin-bottom: 10px;
}

.page-huong-dan-choi__cta-final-section {
  text-align: center;
  padding-top: 40px;
  padding-bottom: 80px;
  background-color: #F4F7FB;
}

.page-huong-dan-choi__cta-final-section .page-huong-dan-choi__section-title {
  margin-bottom: 20px;
}

.page-huong-dan-choi__cta-final-section .page-huong-dan-choi__text-block {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

.page-huong-dan-choi__cta-buttons--center {
  justify-content: center;
}

/* Universal image responsive styles */
.page-huong-dan-choi img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Media Queries */
@media (max-width: 1024px) {
  .page-huong-dan-choi__container {
    padding: 15px;
  }

  .page-huong-dan-choi__hero-image img {
    max-height: 450px;
  }

  .page-huong-dan-choi__main-title {
    font-size: clamp(24px, 5vw, 40px);
  }

  .page-huong-dan-choi__hero-description {
    font-size: 1em;
  }

  .page-huong-dan-choi__btn {
    padding: 12px 24px;
    font-size: 1em;
  }

  .page-huong-dan-choi__section-title {
    font-size: clamp(22px, 4vw, 32px);
  }

  .page-huong-dan-choi__grid--3-cols {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .page-huong-dan-choi__grid--2-cols {
    grid-template-columns: 1fr;
  }

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

  .page-huong-dan-choi__sub-title {
    font-size: 1.3em;
  }

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

@media (max-width: 768px) {
  .page-huong-dan-choi__hero-section {
    padding-top: 10px;
    padding-bottom: 30px;
  }

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

  .page-huong-dan-choi__hero-image img {
    object-fit: contain !important; /* HERO 主图区域: mobile object-fit:contain */
    aspect-ratio: unset !important;
  }

  .page-huong-dan-choi__hero-content {
    margin-top: 20px;
    padding: 20px;
  }

  .page-huong-dan-choi__main-title {
    font-size: clamp(22px, 7vw, 36px);
  }

  .page-huong-dan-choi__hero-description {
    font-size: 0.95em;
  }

  .page-huong-dan-choi__hero-cta-buttons,
  .page-huong-dan-choi__cta-buttons--center {
    flex-direction: column;
    gap: 15px;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-huong-dan-choi__btn,
  .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;
  }

  .page-huong-dan-choi__hero-cta-buttons,
  .page-huong-dan-choi__button-group,
  .page-huong-dan-choi__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

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

  .page-huong-dan-choi__section-title {
    font-size: clamp(20px, 6vw, 28px);
    margin-bottom: 30px;
  }

  .page-huong-dan-choi__text-block {
    font-size: 1em;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-huong-dan-choi__grid--3-cols {
    grid-template-columns: 1fr;
  }

  .page-huong-dan-choi__card {
    padding: 20px;
    margin-left: 15px;
    margin-right: 15px;
  }

  .page-huong-dan-choi__game-card .page-huong-dan-choi__card-image {
    height: 180px;
  }

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

  .page-huong-dan-choi__image-full-width {
    margin: 20px auto;
    max-width: calc(100% - 30px);
  }

  .page-huong-dan-choi__sub-title {
    font-size: 1.2em;
    margin-top: 25px;
    margin-left: 15px;
    margin-right: 15px;
  }

  .page-huong-dan-choi__dark-section {
    padding: 60px 0;
  }

  .page-huong-dan-choi__benefit-item {
    padding: 20px;
    margin-left: 15px;
    margin-right: 15px;
  }

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

  .page-huong-dan-choi__faq-qtext {
    font-size: 15px;
  }

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

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

  .page-huong-dan-choi__cta-final-section {
    padding-top: 30px;
    padding-bottom: 60px;
  }

  .page-huong-dan-choi__cta-final-section .page-huong-dan-choi__text-block {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-huong-dan-choi img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-huong-dan-choi__section,
  .page-huong-dan-choi__card,
  .page-huong-dan-choi__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-huong-dan-choi__products-section { /* For products grid */
    overflow-x: hidden;
  }
  .page-huong-dan-choi__text-block, .page-huong-dan-choi__list-item { /* For long article text */
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden; /* Ensure no horizontal scroll from text */
  }
}