.page-cau-hoi-thuong-gap {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333;
  background-color: #FFFFFF;
}

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

.page-cau-hoi-thuong-gap__top-section {
  padding-top: 10px; /* Adhering to 10px top padding, not var(--header-offset) */
  padding-bottom: 60px;
  text-align: center;
  background-color: #017439;
  color: #FFFFFF;
}

.page-cau-hoi-thuong-gap__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #FFFFFF;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-cau-hoi-thuong-gap__description {
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-cau-hoi-thuong-gap__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-cau-hoi-thuong-gap__btn-primary,
.page-cau-hoi-thuong-gap__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-cau-hoi-thuong-gap__btn-primary {
  background-color: #017439;
  color: #FFFFFF;
  border: 2px solid #017439;
}

.page-cau-hoi-thuong-gap__btn-primary:hover {
  background-color: #005f2e;
  border-color: #005f2e;
}

.page-cau-hoi-thuong-gap__btn-secondary {
  background-color: #FFFFFF;
  color: #017439;
  border: 2px solid #017439;
}

.page-cau-hoi-thuong-gap__btn-secondary:hover {
  background-color: #f0f0f0;
  color: #017439;
}

.page-cau-hoi-thuong-gap__faq-section {
  padding: 80px 0;
  background-color: #FFFFFF;
  color: #333333;
}

.page-cau-hoi-thuong-gap__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #017439;
}

.page-cau-hoi-thuong-gap__section-description {
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-cau-hoi-thuong-gap__faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-cau-hoi-thuong-gap__faq-item {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.page-cau-hoi-thuong-gap__faq-question {
  display: block;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #017439;
  cursor: pointer;
  position: relative;
  list-style: none;
  user-select: none;
}

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

.page-cau-hoi-thuong-gap__faq-question::after {
  content: '+';
  position: absolute;
  right: 25px;
  font-size: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  transition: transform 0.3s ease;
}

.page-cau-hoi-thuong-gap__faq-item[open] .page-cau-hoi-thuong-gap__faq-question::after {
  content: '-';
  transform: translateY(-50%) rotate(180deg);
}

.page-cau-hoi-thuong-gap__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: #555555;
}

.page-cau-hoi-thuong-gap__faq-answer p {
  margin-bottom: 15px;
}

.page-cau-hoi-thuong-gap__faq-answer p:last-child {
  margin-bottom: 0;
}

.page-cau-hoi-thuong-gap__figure {
  margin: 20px 0;
  text-align: center;
}

.page-cau-hoi-thuong-gap__figure img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

.page-cau-hoi-thuong-gap__figcaption {
  font-size: 0.9rem;
  color: #777777;
  margin-top: 10px;
}

.page-cau-hoi-thuong-gap__contact-cta {
  padding: 80px 0;
  text-align: center;
  background-color: #017439;
  color: #FFFFFF;
}

.page-cau-hoi-thuong-gap__contact-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.page-cau-hoi-thuong-gap__contact-description {
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Mobile Responsive Styles (max-width: 768px) --- */
@media (max-width: 768px) {
  .page-cau-hoi-thuong-gap {
    font-size: 15px;
    line-height: 1.5;
  }

  /* 1. 顶区标题 + 双 CTA */
  .page-cau-hoi-thuong-gap__top-section {
    padding-top: 10px !important; /* Enforce 10px top padding */
    padding-bottom: 40px;
  }

  .page-cau-hoi-thuong-gap__main-title {
    font-size: 2.2rem;
    margin-bottom: 15px;
  }

  .page-cau-hoi-thuong-gap__description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-cau-hoi-thuong-gap__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px; /* Add padding to container */
  }

  /* 4. 按钮与按钮容器 */
  .page-cau-hoi-thuong-gap__btn-primary,
  .page-cau-hoi-thuong-gap__btn-secondary {
    padding: 12px 20px;
    font-size: 0.95rem;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. 单栏长文容器 (general content areas) */
  .page-cau-hoi-thuong-gap__container {
    padding-left: 15px;
    padding-right: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-cau-hoi-thuong-gap__faq-section {
    padding: 50px 0;
  }

  .page-cau-hoi-thuong-gap__section-title {
    font-size: 2rem;
    margin-bottom: 15px;
  }

  .page-cau-hoi-thuong-gap__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-cau-hoi-thuong-gap__faq-question {
    padding: 18px 20px;
    font-size: 1.1rem;
  }

  .page-cau-hoi-thuong-gap__faq-question::after {
    right: 20px;
  }

  .page-cau-hoi-thuong-gap__faq-answer {
    padding: 0 20px 18px;
    font-size: 0.95rem;
  }

  .page-cau-hoi-thuong-gap__contact-cta {
    padding: 50px 0;
  }

  .page-cau-hoi-thuong-gap__contact-title {
    font-size: 2rem;
  }

  .page-cau-hoi-thuong-gap__contact-description {
    font-size: 1rem;
  }

  /* 3. 通用图片与 figure */
  .page-cau-hoi-thuong-gap img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
  }

  .page-cau-hoi-thuong-gap__figure {
    margin: 15px 0;
  }

  .page-cau-hoi-thuong-gap__figcaption {
    font-size: 0.85rem;
  }

  /* 5. 注册教程与 FAQ 区块 - FAQ specific */
  .page-cau-hoi-thuong-gap__faq-item {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  }
}