:root {
  --primary-color: #2F6BFF;
  --secondary-color: #6FA3FF;
  --text-main-color: #1F2D3D;
  --text-black-color: #000000;
  --card-bg-color: #FFFFFF;
  --page-bg-color: #F4F7FB;
  --border-color: #D6E2FF;
  --glow-color: #A5C4FF;
  --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
}

.page-cau-hoi-thuong-gap {
  font-family: Arial, sans-serif;
  color: var(--text-main-color);
  background-color: var(--page-bg-color);
}

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

/* Hero Section */
.page-cau-hoi-thuong-gap__hero-section {
  padding-top: 10px; /* Small top padding, assuming body has --header-offset */
  background: var(--primary-color);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 50px;
  position: relative;
  overflow: hidden;
}

.page-cau-hoi-thuong-gap__hero-image {
  width: 100%;
  max-height: 500px; /* Adjust as needed */
  overflow: hidden;
  margin-bottom: 20px;
}

.page-cau-hoi-thuong-gap__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: none; /* Ensure no filter */
}

.page-cau-hoi-thuong-gap__hero-content {
  z-index: 1;
  max-width: 800px;
  padding: 0 20px;
}

.page-cau-hoi-thuong-gap__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem); /* Using clamp for H1 */
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.page-cau-hoi-thuong-gap__hero-description {
  font-size: 1.15rem;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #E0E0E0;
}

.page-cau-hoi-thuong-gap__cta-button {
  display: inline-block;
  background: var(--button-gradient);
  color: #FFFFFF;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  max-width: 100%; /* Button responsive base */
  box-sizing: border-box; /* Button responsive base */
  white-space: normal; /* Button responsive base */
  word-wrap: break-word; /* Button responsive base */
}

.page-cau-hoi-thuong-gap__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

/* Introduction Section */
.page-cau-hoi-thuong-gap__introduction-section {
  padding: 60px 0;
  background-color: var(--page-bg-color);
  text-align: center;
}

.page-cau-hoi-thuong-gap__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-main-color);
  margin-bottom: 20px;
}

.page-cau-hoi-thuong-gap__section-description {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-main-color);
  max-width: 900px;
  margin: 0 auto 15px;
}

/* FAQ Section */
.page-cau-hoi-thuong-gap__faq-section {
  padding: 60px 0;
  background-color: var(--card-bg-color); /* Use white background for FAQ items */
}

.page-cau-hoi-thuong-gap__faq-list {
  margin-top: 40px;
}

details.page-cau-hoi-thuong-gap__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--card-bg-color);
  box-shadow: 0 4px 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;
  color: var(--text-main-color);
  font-weight: 600;
}
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: #f8f8f8;
}
.page-cau-hoi-thuong-gap__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main-color);
}
.page-cau-hoi-thuong-gap__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}
details.page-cau-hoi-thuong-gap__faq-item .page-cau-hoi-thuong-gap__faq-answer {
  padding: 0 25px 20px;
  background: #fcfcfc;
  border-radius: 0 0 8px 8px;
  color: var(--text-main-color);
  font-size: 1rem;
  line-height: 1.7;
}
.page-cau-hoi-thuong-gap__faq-answer p {
  margin-bottom: 10px;
}
.page-cau-hoi-thuong-gap__faq-answer ul {
  list-style: disc;
  margin-left: 20px;
  margin-top: 10px;
}
.page-cau-hoi-thuong-gap__faq-answer li {
  margin-bottom: 5px;
}
.page-cau-hoi-thuong-gap__inline-link {
  color: var(--primary-color);
  text-decoration: underline;
  font-weight: 500;
}
.page-cau-hoi-thuong-gap__inline-link:hover {
  color: var(--secondary-color);
}


/* CTA Section */
.page-cau-hoi-thuong-gap__cta-section {
  padding: 80px 0;
  background: var(--primary-color);
  color: #FFFFFF;
  text-align: center;
}

.page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.page-cau-hoi-thuong-gap__cta-content {
  flex: 1;
  text-align: left;
}

.page-cau-hoi-thuong-gap__cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.page-cau-hoi-thuong-gap__cta-description {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #E0E0E0;
}

.page-cau-hoi-thuong-gap__cta-image {
  flex-shrink: 0;
  width: 500px;
}

.page-cau-hoi-thuong-gap__cta-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  filter: none; /* Ensure no filter */
}

/* General image responsive style */
.page-cau-hoi-thuong-gap img {
  max-width: 100%;
  height: auto;
  display: block;
  filter: none; /* Ensure no filter */
}

/* Mobile Responsive */
@media (max-width: 1024px) {
  .page-cau-hoi-thuong-gap__container {
    padding: 0 15px;
  }
  .page-cau-hoi-thuong-gap__hero-section {
    padding-bottom: 40px;
  }
  .page-cau-hoi-thuong-gap__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }
  .page-cau-hoi-thuong-gap__hero-description {
    font-size: 1rem;
  }
  .page-cau-hoi-thuong-gap__section-title {
    font-size: 2rem;
  }
  .page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__container {
    flex-direction: column;
    text-align: center;
  }
  .page-cau-hoi-thuong-gap__cta-content {
    text-align: center;
  }
  .page-cau-hoi-thuong-gap__cta-title {
    font-size: 2.2rem;
  }
  .page-cau-hoi-thuong-gap__cta-image {
    width: 100%;
    max-width: 600px; /* Limit image width on tablets */
    margin-top: 30px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-cau-hoi-thuong-gap__hero-section {
    padding-top: 10px;
    padding-bottom: 30px;
  }
  .page-cau-hoi-thuong-gap__hero-image {
    max-height: 300px;
  }
  .page-cau-hoi-thuong-gap__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
  }
  .page-cau-hoi-thuong-gap__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-cau-hoi-thuong-gap__hero-description {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }
  .page-cau-hoi-thuong-gap__cta-button {
    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;
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-cau-hoi-thuong-gap__introduction-section,
  .page-cau-hoi-thuong-gap__faq-section,
  .page-cau-hoi-thuong-gap__cta-section {
    padding: 40px 0;
  }
  .page-cau-hoi-thuong-gap__section-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
  }
  .page-cau-hoi-thuong-gap__section-description {
    font-size: 0.95rem;
    margin-bottom: 10px;
  }

  /* FAQ items */
  details.page-cau-hoi-thuong-gap__faq-item summary.page-cau-hoi-thuong-gap__faq-question {
    padding: 15px 20px;
  }
  .page-cau-hoi-thuong-gap__faq-qtext {
    font-size: 1rem;
  }
  .page-cau-hoi-thuong-gap__faq-toggle {
    font-size: 24px;
    width: 24px;
    height: 24px;
    margin-left: 10px;
  }
  details.page-cau-hoi-thuong-gap__faq-item .page-cau-hoi-thuong-gap__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.9rem;
  }

  /* CTA Section */
  .page-cau-hoi-thuong-gap__cta-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
  }
  .page-cau-hoi-thuong-gap__cta-description {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }
  .page-cau-hoi-thuong-gap__cta-image {
    width: 100%;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-cau-hoi-thuong-gap__cta-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* 通用图片与容器 */
  .page-cau-hoi-thuong-gap img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    filter: none !important;
  }
  .page-cau-hoi-thuong-gap__container,
  .page-cau-hoi-thuong-gap__section,
  .page-cau-hoi-thuong-gap__card,
  .page-cau-hoi-thuong-gap__box {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
}