/* Base styles for the page-support scope */
.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main, #F2FFF6); /* Default text color */
  background-color: var(--color-background-main, #08160F); /* Default body background */
}

.page-support__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
}

.page-support__section-title {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
  color: var(--color-text-main, #F2FFF6);
  position: relative;
  padding-bottom: 10px;
}

.page-support__section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #11A84E, #22C768);
  margin: 10px auto 0;
}

.page-support__section-description {
  font-size: 18px;
  text-align: center;
  margin-bottom: 40px;
  color: var(--color-text-secondary, #A7D9B8);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__content-block {
  margin-top: 30px;
}

.page-support__content-subtitle {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-main, #F2FFF6);
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-support p {
  margin-bottom: 15px;
  color: var(--color-text-secondary, #A7D9B8);
}

.page-support ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 15px;
  color: var(--color-text-secondary, #A7D9B8);
}

.page-support li {
  margin-bottom: 8px;
  color: var(--color-text-secondary, #A7D9B8);
}

/* --- Buttons --- */
.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  margin: 5px; /* Add margin for spacing between buttons */
}

.page-support__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-support__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-support__btn-secondary {
  background: transparent;
  color: var(--color-text-main, #F2FFF6);
  border: 2px solid var(--color-border, #2E7A4E);
}

.page-support__btn-secondary:hover {
  background: var(--color-border, #2E7A4E);
  color: #ffffff;
}

/* --- Hero Section --- */
.page-support__hero-section {
  position: relative;
  overflow: hidden;
  padding-top: 10px; /* Small top padding, body has main padding-top */
  background-color: var(--color-background-main, #08160F);
}

.page-support__hero-image {
  width: 100%;
  height: 600px; /* Fixed height for desktop */
  overflow: hidden;
  position: relative;
}

.page-support__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Desktop: cover to fill space */
  display: block;
}

.page-support__hero-content {
  max-width: 900px;
  margin: 40px auto;
  text-align: center;
  padding: 0 15px;
}

.page-support__main-title {
  font-size: clamp(32px, 4vw, 56px); /* Responsive font size */
  font-weight: 800;
  color: var(--color-text-main, #F2FFF6);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-support__hero-description {
  font-size: 18px;
  color: var(--color-text-secondary, #A7D9B8);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__hero-cta {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  box-sizing: border-box;
  padding: 0 15px;
}

/* --- Introduction Section --- */
.page-support__introduction-section {
  padding: 80px 0;
}

.page-support__dark-section {
  background-color: var(--color-card-bg, #11271B); /* Darker background for contrast */
}

.page-support__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support__card {
  background-color: var(--color-light-bg, #ffffff);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  text-align: left;
  transition: transform 0.3s ease;
  color: var(--color-dark-text, #333333); /* Ensure dark text on light card bg */
}

.page-support__card-title {
  font-size: 22px;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--color-deep-green, #0A4B2C);
}

.page-support__card p {
  color: var(--color-dark-text, #333333);
}

/* --- Image Block Styles --- */
.page-support__image-block {
  margin: 40px auto;
  max-width: 800px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.page-support__image-block img {
  width: 100%;
  height: auto;
  display: block;
}

.page-support__image-block--center {
  text-align: center;
}

/* --- Guide, Transactions, Rules, Policy Sections --- */
.page-support__guide-section,
.page-support__transactions-section,
.page-support__rules-section,
.page-support__policy-section {
  padding: 80px 0;
}

/* Ensure text in .page-support__dark-section has light color */
.page-support__dark-section p,
.page-support__dark-section li,
.page-support__dark-section .page-support__content-subtitle {
  color: var(--color-text-secondary, #A7D9B8);
}
.page-support__dark-section .page-support__section-title {
    color: var(--color-text-main, #F2FFF6);
}


/* --- FAQ Section --- */
.page-support__faq-section {
  padding: 80px 0;
  background-color: var(--color-background-main, #08160F);
}

details.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 12px;
  border: 1px solid var(--color-divider, #1E3A2A);
  overflow: hidden;
  background: var(--color-card-bg, #11271B);
  color: var(--color-text-main, #F2FFF6);
}
details.page-support__faq-item summary.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-support__faq-item summary.page-support__faq-question::-webkit-details-marker {
  display: none;
}
details.page-support__faq-item summary.page-support__faq-question:hover {
  background: rgba(87, 227, 141, 0.1); /* Light hover effect */
}
.page-support__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--color-text-main, #F2FFF6);
}
.page-support__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--color-glow, #57E38D);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}
details.page-support__faq-item .page-support__faq-answer {
  padding: 0 25px 25px;
  background: rgba(87, 227, 141, 0.05); /* Lighter background for answer */
  border-radius: 0 0 12px 12px;
  color: var(--color-text-secondary, #A7D9B8);
}

.page-support__faq-cta {
  text-align: center;
  margin-top: 40px;
}

/* --- Contact Section --- */
.page-support__contact-section {
  padding: 80px 0;
}

.page-support__contact-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 25px;
}

.page-support__contact-list li {
  margin-bottom: 10px;
  font-size: 16px;
  color: var(--color-dark-text, #333333);
}

.page-support__contact-list strong {
  color: var(--color-deep-green, #0A4B2C); /* Specific color for strong text in list */
}

/* --- Conclusion Section --- */
.page-support__conclusion-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--color-background-main, #08160F);
}

.page-support__cta-final {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
  width: 100%;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
  padding: 0 15px;
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .page-support__hero-image {
    height: 500px;
  }
  .page-support__main-title {
    font-size: clamp(30px, 5vw, 48px);
  }
  .page-support__section-title {
    font-size: 32px;
  }
  .page-support__section-description {
    font-size: 16px;
  }
  .page-support__card-title {
    font-size: 20px;
  }
  .page-support__faq-qtext {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-support__hero-section {
    padding-top: 10px; /* Small top padding, body has main padding-top */
  }
  .page-support__hero-image {
    height: auto; /* Auto height for mobile */
    max-height: 400px; /* Max height for mobile hero image */
  }
  .page-support__hero-image img {
    object-fit: contain !important; /* Mobile: contain to show full image, avoid cropping */
    aspect-ratio: unset; /* Reset aspect ratio for flexibility */
    width: 100% !important;
    height: auto !important;
  }
  .page-support__hero-content {
    margin: 20px auto;
    padding: 0 15px;
  }
  .page-support__main-title {
    font-size: clamp(28px, 7vw, 40px); /* Smaller on mobile */
    margin-bottom: 15px;
  }
  .page-support__hero-description {
    font-size: 15px;
    margin-bottom: 25px;
  }
  .page-support__hero-cta {
    flex-direction: column; /* Stack buttons vertically on mobile */
    gap: 10px;
    padding: 0 15px;
  }
  .page-support__btn-primary,
  .page-support__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px;
    font-size: 15px;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin: 5px 0; /* Adjust margin for vertical stacking */
  }

  /* Sản phẩm trưng bày khu vực (Không áp dụng cho trang này) */
  /* Phần này dành cho `__products-grid` nếu nó tồn tại. */
  /* Vì đây là trang hỗ trợ, nó không có lưới sản phẩm. */
  /* Tuy nhiên, lời nhắc yêu cầu phải bao gồm các quy tắc cho nó nếu nó có mặt. */
  /* Tôi sẽ thêm một nhận xét giữ chỗ cho nó. */
  /* .page-support__products-grid {
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    overflow-x: hidden;
  } */

  /* Tiêu đề trang trí + khu vực SEO bài viết dài */
  .page-support__section-title {
    font-size: 28px;
    margin-bottom: 15px;
  }
  .page-support__section-description {
    font-size: 14px;
    margin-bottom: 25px;
    padding: 0 10px;
  }
  .page-support__content-subtitle {
    font-size: 20px;
    margin-top: 25px;
    margin-bottom: 10px;
  }
  .page-support__image-block {
    margin: 25px auto;
    border-radius: 8px;
  }
  .page-support__image-block img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  /* .page-support__article-body - Trang này sử dụng content-block, điều chỉnh cho phù hợp */
  .page-support__content-block {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-support__grid {
    grid-template-columns: 1fr; /* Xếp chồng thẻ theo chiều dọc */
    gap: 20px;
  }
  .page-support__card {
    padding: 25px;
    border-radius: 8px;
  }
  .page-support__card-title {
    font-size: 18px;
  }
  .page-support p, .page-support li {
    font-size: 15px;
  }

  /* Hình ảnh và vùng chứa chung */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__content-block { /* Thêm content-block vào đây cho các quy tắc vùng chứa chung */
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Nút và vùng chứa nút */
  .page-support__cta-button,
  .page-support__btn-primary,
  .page-support__btn-secondary,
  .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;
    padding-right: 15px;
  }
  .page-support__cta-buttons,
  .page-support__button-group,
  .page-support__btn-container,
  .page-support__hero-cta, /* Cụ thể cho cta hero */
  .page-support__cta-final { /* Cụ thể cho cta cuối cùng */
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column; /* Mặc định xếp chồng theo chiều dọc */
  }

  /* Phần FAQ cho thiết bị di động */
  details.page-support__faq-item summary.page-support__faq-question {
    padding: 15px 20px;
  }
  .page-support__faq-qtext {
    font-size: 16px;
  }
  .page-support__faq-toggle {
    font-size: 24px;
    width: 24px;
  }
  details.page-support__faq-item .page-support__faq-answer {
    padding: 0 20px 20px;
  }
}

/* Đảm bảo màu văn bản chính xác cho độ tương phản dựa trên nền */
.page-support__dark-bg {
  color: #ffffff; /* Nền xanh đậm sử dụng văn bản sáng */
}

.page-support__light-bg {
  color: #333333; /* Nền thẻ trắng sử dụng văn bản tối */
}

/* Ghi đè cụ thể cho các thẻ strong trong thẻ sáng */
.page-support__card strong {
  color: var(--color-deep-green, #0A4B2C);
}

/* Đảm bảo tất cả các liên kết có màu văn bản thích hợp */
.page-support a {
  color: var(--color-glow, #57E38D); /* Màu liên kết mặc định */
  text-decoration: none;
}

.page-support a:hover {
  text-decoration: underline;
}

/* Nút CTA cuối cùng, đảm bảo xếp chồng di động phù hợp */
.page-support__cta-final {
  flex-direction: column; /* Xếp chồng theo chiều dọc trên thiết bị di động */
  align-items: center; /* Căn giữa chúng */
}