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

.page-about__section-spacing {
  padding: 60px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-about__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding */
  padding-bottom: 60px;
  overflow: hidden;
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-height: 500px; /* Limit height to prevent excessive stretching */
  overflow: hidden;
  margin-bottom: 30px;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}

.page-about__hero-content {
  z-index: 1;
  max-width: 900px;
  padding: 0 20px;
}

.page-about__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: #F2C14E; /* Gold */
  line-height: 1.2;
}

.page-about__hero-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #A7D9B8; /* Text Secondary */
}

.page-about__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: #F2C14E; /* Gold */
}

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

.page-about__content-block {
  background: #11271B; /* Card B G */
  padding: 30px;
  border-radius: 10px;
  border: 1px solid #2E7A4E; /* Border */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__content-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #57E38D; /* Glow */
}

.page-about__value-list {
  list-style: disc;
  padding-left: 20px;
  color: #A7D9B8; /* Text Secondary */
}

.page-about__value-list li {
  margin-bottom: 8px;
}

.page-about__image-wrapper {
  text-align: center;
  margin-top: 40px;
}

.page-about__image-wrapper--center {
  display: flex;
  justify-content: center;
}

.page-about__content-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  display: block;
}

.page-about__why-choose-us {
  background: #0A4B2C; /* Deep Green for a darker section */
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-about__reason-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-about__reason-card {
  background: #11271B; /* Card B G */
  padding: 30px;
  border-radius: 10px;
  border: 1px solid #2E7A4E; /* Border */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: #F2FFF6;
}

.page-about__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F2C14E; /* Gold */
}

.page-about__product-list {
  list-style: none;
  padding-left: 0;
}

.page-about__product-list li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 25px;
}

.page-about__product-list li::before {
  content: '✓';
  color: #57E38D; /* Glow */
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-about__dark-section {
  background: #0A4B2C; /* Deep Green */
  color: #ffffff;
}

.page-about__dark-section .page-about__section-title {
  color: #F2C14E; /* Gold */
}

.page-about__dark-section p {
  color: #A7D9B8; /* Text Secondary */
}

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

.page-about__commitment-item {
  background: #11271B; /* Card B G */
  padding: 30px;
  border-radius: 10px;
  border: 1px solid #2E7A4E; /* Border */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: #A7D9B8; /* Text Secondary */
}

.page-about__item-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: #57E38D; /* Glow */
}

.page-about__future-section {
  text-align: center;
  background: #0A4B2C; /* Deep Green */
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-about__future-text {
  font-size: 1.1rem;
  margin-bottom: 25px;
  color: #A7D9B8; /* Text Secondary */
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__btn-primary {
  display: inline-block;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button color */
  color: #ffffff;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-about__btn-secondary {
  display: inline-block;
  background: transparent;
  color: #57E38D; /* Glow */
  border: 2px solid #57E38D; /* Glow */
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  margin-left: 20px;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-secondary:hover {
  background: #57E38D;
  color: #08160F; /* Background */
  transform: translateY(-2px);
}

.page-about__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.page-about__faq-section {
  background: #08160F; /* Background */
}

.page-about__faq-container {
  max-width: 900px;
  margin: 0 auto;
}

details.page-about__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid #2E7A4E; /* Border */
  overflow: hidden;
  background: #11271B; /* Card B G */
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

details.page-about__faq-item summary.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: #F2FFF6; /* Text Main */
}

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

details.page-about__faq-item summary.page-about__faq-question:hover {
  background: #1E3A2A; /* Divider */
}

.page-about__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
}

.page-about__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #57E38D; /* Glow */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-about__faq-item .page-about__faq-answer {
  padding: 0 20px 20px;
  background: #1E3A2A; /* Divider for answer background */
  border-radius: 0 0 10px 10px;
  color: #A7D9B8; /* Text Secondary */
}

.page-about__contact-cta {
  text-align: center;
  background: #0A4B2C; /* Deep Green */
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-about__contact-text {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #A7D9B8; /* Text Secondary */
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__copyright-section {
  text-align: center;
  padding: 20px;
  background: #08160F; /* Background */
  border-top: 1px solid #1E3A2A; /* Divider */
}

.page-about__copyright-text {
  font-size: 0.9rem;
  color: #A7D9B8; /* Text Secondary */
  margin: 0;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__section-spacing {
    padding: 50px 15px;
  }
  .page-about__hero-image-wrapper {
    max-height: 400px;
  }
  .page-about__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-about__hero-description,
  .page-about__future-text,
  .page-about__contact-text {
    font-size: 1rem;
  }
  .page-about__section-title {
    font-size: clamp(1.6rem, 3.8vw, 2.5rem);
  }
  .page-about__content-subtitle,
  .page-about__card-title,
  .page-about__item-title {
    font-size: 1.3rem;
  }
  .page-about__btn-primary,
  .page-about__btn-secondary {
    padding: 12px 25px;
    font-size: 1rem;
  }
  .page-about__faq-qtext {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .page-about__section-spacing {
    padding: 40px 15px;
  }

  /* HERO 主图区域 */
  .page-about__hero-section {
    padding-top: 10px; /* Small top padding */
    padding-bottom: 40px;
  }
  .page-about__hero-image-wrapper {
    max-height: unset;
    margin-bottom: 20px;
  }
  .page-about__hero-image {
    object-fit: contain !important; /* Mobile: contain to prevent cropping */
    aspect-ratio: unset !important; /* Mobile: unset aspect ratio */
    width: 100% !important;
    height: auto !important;
  }
  .page-about__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-about__hero-description {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }

  /* General content sections */
  .page-about__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-about__content-grid,
  .page-about__reason-grid,
  .page-about__commitment-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-about__content-block,
  .page-about__reason-card,
  .page-about__commitment-item {
    padding: 20px;
  }

  .page-about__content-subtitle,
  .page-about__card-title,
  .page-about__item-title {
    font-size: 1.2rem;
  }

  /* 通用图片与容器 */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-about__image-wrapper {
    margin-top: 30px;
  }
  
  .page-about__section,
  .page-about__card,
  .page-about__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 按钮与按钮容器 */
  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }
  .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-left: 0 !important; /* Override margin for secondary button */
    padding-left: 15px;
    padding-right: 15px;
  }

  /* FAQ */
  details.page-about__faq-item summary.page-about__faq-question {
    padding: 15px;
  }
  .page-about__faq-qtext {
    font-size: 0.95rem;
  }
  .page-about__faq-toggle {
    font-size: 20px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-about__faq-item .page-about__faq-answer {
    padding: 0 15px 15px;
  }
}