.page-about {
  font-family: 'Arial', sans-serif;
  color: #F2FFF6; /* Text Main */
  background-color: #08160F; /* Background */
  line-height: 1.6;
}

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

/* Hero Section */
.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  overflow: hidden;
  min-height: 500px;
}

.page-about__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  opacity: 0.7;
}

.page-about__hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 20px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.5); /* Semi-transparent overlay for text readability */
}

.page-about__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: #F2FFF6; /* Text Main */
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: bold;
}

.page-about__hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 30px;
}

/* General Section Styles */
.page-about__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #F2C14E; /* Gold */
  text-align: center;
  margin-bottom: 30px;
  padding-top: 60px;
  font-weight: bold;
}

.page-about__section-description {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: #A7D9B8; /* Text Secondary */
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px auto;
}

.page-about__content-wrapper {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 60px;
}

.page-about__content-wrapper--reverse {
  flex-direction: row-reverse;
}

.page-about__text-block {
  flex: 1;
  padding: 20px;
}

.page-about__text-block p {
  margin-bottom: 15px;
  color: #F2FFF6; /* Text Main */
}

.page-about__image-block {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-about__image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.page-about__features-list li {
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="%232AD16F" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>') no-repeat left center;
  background-size: 18px;
  padding-left: 30px;
  margin-bottom: 10px;
  color: #F2FFF6; /* Text Main */
}

.page-about__features-list li strong {
  color: #F2C14E; /* Gold */
}

/* Values Section */
.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-about__value-card {
  background-color: #11271B; /* Card BG */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  border: 1px solid #2E7A4E; /* Border */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__value-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-about__value-title {
  font-size: 1.5rem;
  color: #57E38D; /* Glow */
  margin-bottom: 15px;
}

.page-about__value-text {
  color: #A7D9B8; /* Text Secondary */
}

/* Products & Services Section */
.page-about__products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-about__product-card {
  background-color: #11271B; /* Card BG */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  border: 1px solid #2E7A4E; /* Border */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-about__product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-about__product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.page-about__product-card .page-about__product-title {
  font-size: 1.4rem;
  color: #F2C14E; /* Gold */
  margin: 20px 15px 10px 15px;
}

.page-about__product-card .page-about__product-text {
  color: #A7D9B8; /* Text Secondary */
  padding: 0 15px 20px 15px;
  flex-grow: 1;
}

.page-about__product-link {
  display: block;
  text-align: center;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button color */
  color: #F2FFF6; /* Text Main */
  padding: 12px 15px;
  text-decoration: none;
  border-radius: 0 0 10px 10px;
  transition: background-color 0.3s ease;
  font-weight: bold;
}

.page-about__product-link:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

/* CTA Buttons */
.page-about__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  margin: 10px;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button color */
  color: #F2FFF6; /* Text Main */
  border: none;
}

.page-about__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
}

.page-about__btn-secondary {
  background: #11271B; /* Card BG */
  color: #57E38D; /* Glow */
  border: 2px solid #2AD16F;
}

.page-about__btn-secondary:hover {
  background: #2E7A4E; /* Border */
  color: #F2FFF6; /* Text Main */
  transform: translateY(-2px);
}

.page-about__contact-buttons {
  display: flex;
  gap: 15px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* FAQ Section */
.page-about__faq-list {
  margin-top: 50px;
}

.page-about__faq-item {
  background-color: #11271B; /* Card BG */
  border: 1px solid #2E7A4E; /* Border */
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-about__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2rem;
  font-weight: bold;
  color: #F2FFF6; /* Text Main */
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-about__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.page-about__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #57E38D; /* Glow */
}

.page-about__faq-item[open] .page-about__faq-toggle {
  transform: rotate(45deg);
}

.page-about__faq-answer {
  padding: 0 20px 20px 20px;
  font-size: 1rem;
  color: #A7D9B8; /* Text Secondary */
}

.page-about__faq-answer p {
  margin-bottom: 10px;
  color: #A7D9B8; /* Text Secondary */
}

.page-about__faq-answer a {
  color: #2AD16F; /* Button color - lighter shade */
  text-decoration: underline;
}

.page-about__faq-answer a:hover {
  color: #57E38D; /* Glow */
}

/* Contact Section */
.page-about__contact-grid {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-top: 50px;
}

.page-about__contact-info {
  flex: 1;
  padding: 20px;
}

.page-about__contact-info p {
  margin-bottom: 20px;
  color: #F2FFF6; /* Text Main */
}

.page-about__contact-list {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.page-about__contact-list li {
  margin-bottom: 10px;
  color: #A7D9B8; /* Text Secondary */
}

.page-about__contact-list li strong {
  color: #F2FFF6; /* Text Main */
}

.page-about__contact-image-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__content-wrapper {
    flex-direction: column;
    text-align: center;
  }

  .page-about__content-wrapper--reverse {
    flex-direction: column;
  }

  .page-about__text-block, .page-about__image-block {
    flex: none;
    width: 100%;
  }

  .page-about__image {
    max-width: 80%;
  }

  .page-about__contact-grid {
    flex-direction: column;
  }

  .page-about__contact-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .page-about__hero-section {
    padding: 40px 15px;
    min-height: 400px;
  }

  .page-about__main-title {
    font-size: 2.2rem;
  }

  .page-about__hero-description {
    font-size: 0.9rem;
  }

  .page-about__section-title {
    font-size: 2rem;
    padding-top: 40px;
  }

  .page-about__section-description {
    font-size: 0.9rem;
    margin-bottom: 30px;
  }

  .page-about__cta-button,
  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about a[class*="button"],
  .page-about a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin: 10px 0 !important;
  }

  .page-about__contact-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page-about__value-card,
  .page-about__product-card {
    padding: 20px;
  }

  .page-about__product-image {
    height: 180px;
  }

  .page-about__faq-item summary {
    font-size: 1.1rem;
    padding: 15px;
  }

  .page-about__faq-answer {
    padding: 0 15px 15px 15px;
    font-size: 0.95rem;
  }

  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__content-wrapper,
  .page-about__values-grid,
  .page-about__products-grid,
  .page-about__contact-grid,
  .page-about__contact-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-about__hero-section {
    padding-top: 10px !important; /* body 已承担 --header-offset，此处禁止 var(--header-offset) */
  }
}

@media (max-width: 480px) {
  .page-about__main-title {
    font-size: 1.8rem;
  }

  .page-about__section-title {
    font-size: 1.6rem;
  }

  .page-about__value-title {
    font-size: 1.3rem;
  }

  .page-about__faq-item summary {
    font-size: 1rem;
  }

  .page-about__image {
    max-width: 95%;
  }
}