.page-support {
  color: var(--text-main); /* Sử dụng màu chữ chính đã định nghĩa */
  background-color: var(--background-color); /* Nền tối */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-support__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-support__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0; /* Padding top nhỏ, body đã xử lý offset */
  text-align: center;
  background-color: var(--card-bg);
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao của ảnh hero */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-support__hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -100px; /* Điều chỉnh vị trí để tạo hiệu ứng lớp */
  background-color: var(--card-bg); /* Nền tối cho phần nội dung hero */
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-support__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem); /* Sử dụng clamp cho kích thước font */
  font-weight: bold;
  color: var(--text-main);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-support__description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.page-support__cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: var(--button-gradient); /* Sử dụng biến màu nút */
  color: #ffffff; /* Luôn là màu trắng cho nút */
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-support__cta-button:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%); /* Đảo gradient khi hover */
}

.page-support__section {
  padding: 80px 0;
  background-color: var(--background-color);
}

.page-support__section:nth-of-type(even) {
  background-color: var(--card-bg);
}

.page-support__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--gold);
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.page-support__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--button-gradient);
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-support__content-block {
  background-color: var(--card-bg); /* Nền tối cho khối nội dung */
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: var(--text-secondary);
}

.page-support__content-block p {
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.page-support__sub-title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--text-main);
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-support__image-content {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin: 30px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  min-width: 200px;
  min-height: 200px;
}

.page-support__button-link {
  display: inline-block;
  padding: 10px 20px;
  background: var(--deep-green); /* Màu xanh đậm cho link */
  color: var(--text-main); /* Màu chữ sáng */
  text-decoration: none;
  border-radius: 5px;
  margin-top: 15px;
  transition: background 0.3s ease;
}

.page-support__button-link:hover {
  background: var(--primary-color); /* Đổi sang màu chủ đạo khi hover */
}

.page-support__faq-list {
  margin-top: 40px;
}

.page-support__faq-item {
  background-color: var(--background-color); /* Nền tối hơn cho từng FAQ */
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-secondary);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--text-main);
  cursor: pointer;
  background-color: var(--card-bg); /* Nền tối hơn cho câu hỏi */
  list-style: none; /* Loại bỏ dấu chấm mặc định của details/summary */
}

.page-support__faq-question::-webkit-details-marker {
  display: none;
}

.page-support__faq-qtext {
  flex-grow: 1;
}

.page-support__faq-toggle {
  font-size: 1.5rem;
  margin-left: 15px;
  color: var(--gold);
}

.page-support__faq-answer {
  padding: 0 20px 20px 20px;
  font-size: 1rem;
  color: var(--text-secondary);
}

.page-support__faq-item[open] .page-support__faq-question {
  border-bottom: 1px solid var(--border-color);
}

.page-support__contact-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

.page-support__contact-list li {
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.page-support__contact-list li strong {
  color: var(--text-main);
}

.page-support__cta-button--contact {
  margin-top: 30px;
  width: auto; /* Đảm bảo nút không bị full width */
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-support__hero-content {
    margin-top: -60px;
    padding: 30px 20px;
  }

  .page-support__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

  .page-support__section {
    padding: 60px 0;
  }

  .page-support__content-block {
    padding: 30px;
  }
}

@media (max-width: 768px) {
  .page-support__container {
    padding: 0 15px;
  }

  .page-support__hero-section {
    padding: 10px 0 40px 0;
  }

  .page-support__hero-content {
    margin-top: -40px;
    padding: 20px 15px;
  }

  .page-support__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-support__description {
    font-size: 1rem;
  }

  .page-support__cta-button {
    padding: 12px 25px;
    font-size: 0.95rem;
  }

  .page-support__section {
    padding: 40px 0;
  }

  .page-support__section-title {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-support__content-block {
    padding: 25px 15px;
  }

  .page-support__sub-title {
    font-size: clamp(1.2rem, 4vw, 1.8rem);
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-support__content-block p,
  .page-support__faq-answer,
  .page-support__contact-list li {
    font-size: 0.95rem;
  }

  .page-support__faq-question {
    padding: 15px;
    font-size: 1rem;
  }

  .page-support__faq-toggle {
    font-size: 1.3rem;
  }

  /* Mobile specific overrides with !important */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-support video,
  .page-support__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__content-block,
  .page-support__hero-section,
  .page-support__hero-image-wrapper,
  .page-support__hero-content,
  .page-support__video-section,
  .page-support__video-container,
  .page-support__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    overflow: hidden !important; /* Ensure no horizontal scroll */
  }

  .page-support__cta-button,
  .page-support__button-link,
  .page-support a[class*="button"],
  .page-support 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 !important; /* Adjust padding for full width buttons */
    padding-right: 15px !important;
  }
  
  .page-support__cta-buttons,
  .page-support__button-group,
  .page-support__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    flex-wrap: wrap !important; /* Allow buttons to wrap */
    gap: 10px; /* Space between wrapped buttons */
    overflow: hidden !important;
  }

  .page-support__cta-buttons {
    flex-direction: column !important; /* Stack buttons vertically on mobile */
  }

  .page-support__video-section {
    padding-top: 10px !important; /* Small top padding, body handles header offset */
  }
}