/* Base Styles */
.page-cau-hoi-thuong-gap {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Dark text on light background */
  background-color: #FFFFFF;
}

.page-cau-hoi-thuong-gap__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Hero Section */
.page-cau-hoi-thuong-gap__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, body handles header offset */
  margin-bottom: 40px;
  background-color: #f0f8ff; /* Light blue tint */
  border-radius: 8px;
  overflow: hidden;
}

.page-cau-hoi-thuong-gap__hero-image-wrapper {
  width: 100%;
  max-height: 500px; /* Limit height for aesthetic */
  overflow: hidden;
}

.page-cau-hoi-thuong-gap__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-cau-hoi-thuong-gap__hero-content {
  padding: 40px 20px;
  max-width: 900px;
  z-index: 1;
  background-color: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-top: -80px; /* Overlap with image slightly for visual flow */
  position: relative;
}

.page-cau-hoi-thuong-gap__main-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: #26A9E0; /* Brand primary color */
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-cau-hoi-thuong-gap__subtitle {
  font-size: clamp(16px, 1.8vw, 19px);
  color: #555555;
  margin-bottom: 30px;
}

.page-cau-hoi-thuong-gap__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Buttons */
.page-cau-hoi-thuong-gap__btn-primary,
.page-cau-hoi-thuong-gap__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 17px;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-cau-hoi-thuong-gap__btn-primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-cau-hoi-thuong-gap__btn-primary:hover {
  background-color: #1a8cc7;
  border-color: #1a8cc7;
  transform: translateY(-2px);
}

.page-cau-hoi-thuong-gap__btn-secondary {
  background-color: #FFFFFF;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-cau-hoi-thuong-gap__btn-secondary:hover {
  background-color: #e6f7ff;
  color: #1a8cc7;
  border-color: #1a8cc7;
  transform: translateY(-2px);
}

/* FAQ Section */
.page-cau-hoi-thuong-gap__faq-section {
  padding: 40px 0;
}

.page-cau-hoi-thuong-gap__section-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 20px;
}

.page-cau-hoi-thuong-gap__section-description {
  font-size: 17px;
  color: #555555;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

.page-cau-hoi-thuong-gap__faq-list {
  margin-top: 30px;
}

details.page-cau-hoi-thuong-gap__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__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;
  font-size: 18px;
  font-weight: 600;
  color: #333333;
  position: relative;
}

details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question::-webkit-details-marker {
  display: none;
}

details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question:hover {
  background: #f5f5f5;
}

.page-cau-hoi-thuong-gap__faq-qtext {
  flex: 1;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #333333;
}

.page-cau-hoi-thuong-gap__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: #26A9E0;
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
  line-height: 1;
}

details.page-cau-hoi-thuong-gap__faq-item .page-cau-hoi-thuong-gap__faq-answer {
  padding: 0 25px 25px;
  background: #f9f9f9;
  border-radius: 0 0 10px 10px;
  color: #555555;
  font-size: 16px;
}

.page-cau-hoi-thuong-gap__faq-answer p {
  margin-top: 0;
  margin-bottom: 1em;
}

.page-cau-hoi-thuong-gap__faq-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-cau-hoi-thuong-gap__app-download-cta {
  margin-top: 20px;
  text-align: center;
}

/* CTA Section */
.page-cau-hoi-thuong-gap__cta-section {
  background-color: #26A9E0;
  color: #FFFFFF;
  padding: 60px 20px;
  text-align: center;
  border-radius: 10px;
  margin-top: 60px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.page-cau-hoi-thuong-gap__cta-title {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  margin-bottom: 15px;
  color: #FFFFFF;
}

.page-cau-hoi-thuong-gap__cta-description {
  font-size: 18px;
  max-width: 700px;
  margin: 0 auto 30px;
  color: #e0f2f7;
}

.page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__cta-buttons {
  gap: 15px;
}

.page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__btn-primary {
  background-color: #EA7C07; /* Login color */
  border-color: #EA7C07;
}

.page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__btn-primary:hover {
  background-color: #d16e06;
  border-color: #d16e06;
}

.page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__btn-secondary {
  background-color: #FFFFFF;
  color: #26A9E0;
  border-color: #FFFFFF;
}

.page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__btn-secondary:hover {
  background-color: #f0f8ff;
  color: #1a8cc7;
  border-color: #f0f8ff;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-cau-hoi-thuong-gap__container {
    padding: 20px 30px;
  }

  .page-cau-hoi-thuong-gap__hero-content {
    margin-top: -60px;
    padding: 30px 20px;
  }

  .page-cau-hoi-thuong-gap__main-title {
    font-size: clamp(26px, 3.5vw, 42px);
  }

  .page-cau-hoi-thuong-gap__subtitle {
    font-size: clamp(15px, 1.7vw, 18px);
  }

  details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question {
    padding: 16px 20px;
  }

  .page-cau-hoi-thuong-gap__faq-qtext {
    font-size: 16px;
  }

  .page-cau-hoi-thuong-gap__faq-toggle {
    font-size: 26px;
  }

  details.page-cau-hoi-thuong-gap__faq-item .page-cau-hoi-thuong-gap__faq-answer {
    padding: 0 20px 20px;
  }

  .page-cau-hoi-thuong-gap__cta-section {
    padding: 50px 20px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-cau-hoi-thuong-gap__hero-section {
    padding-top: 10px; /* Small top padding for mobile */
    margin-bottom: 20px;
  }

  .page-cau-hoi-thuong-gap__hero-image-wrapper {
    max-height: 300px; /* Adjust max height for mobile hero image */
  }

  .page-cau-hoi-thuong-gap__hero-image {
    object-fit: contain !important; /* Prevent cropping on mobile */
    aspect-ratio: unset !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-cau-hoi-thuong-gap__hero-content {
    margin-top: -40px; /* Less overlap for mobile */
    padding: 25px 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }

  .page-cau-hoi-thuong-gap__main-title {
    font-size: clamp(24px, 7vw, 36px);
    margin-bottom: 10px;
  }

  .page-cau-hoi-thuong-gap__subtitle {
    font-size: 15px;
    margin-bottom: 20px;
  }

  /* 按钮与按钮容器 */
  .page-cau-hoi-thuong-gap__cta-buttons {
    flex-direction: column; /* Stack buttons vertically on mobile */
    gap: 10px;
    width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-cau-hoi-thuong-gap__btn-primary,
  .page-cau-hoi-thuong-gap__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 16px;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  /* 装饰主标题 + 长文 SEO 区 (FAQ section titles and descriptions) */
  .page-cau-hoi-thuong-gap__container {
    padding: 20px 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-cau-hoi-thuong-gap__section-title {
    font-size: clamp(22px, 6vw, 30px);
    margin-bottom: 15px;
  }

  .page-cau-hoi-thuong-gap__section-description {
    font-size: 15px;
    margin-bottom: 30px;
  }

  /* 通用图片与容器 */
  .page-cau-hoi-thuong-gap img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-cau-hoi-thuong-gap__faq-section,
  .page-cau-hoi-thuong-gap__cta-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* FAQ items mobile */
  details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question {
    padding: 15px;
  }

  .page-cau-hoi-thuong-gap__faq-qtext {
    font-size: 15px;
  }

  .page-cau-hoi-thuong-gap__faq-toggle {
    font-size: 24px;
    width: 28px;
  }

  details.page-cau-hoi-thuong-gap__faq-item .page-cau-hoi-thuong-gap__faq-answer {
    padding: 0 15px 15px;
    font-size: 15px;
  }

  .page-cau-hoi-thuong-gap__cta-title {
    font-size: clamp(20px, 5vw, 28px);
  }

  .page-cau-hoi-thuong-gap__cta-description {
    font-size: 16px;
  }

  .page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }
}