.page-about {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main, #FFF6D6); /* Default text color for dark body */
  background: var(--bg-color, #0A0A0A); /* Inherited from shared, dark background */
}

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

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

/* Hero Section */
.page-about__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, assuming shared.css handles body padding-top */
  color: #ffffff;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

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

.page-about__hero-content {
  position: relative;
  z-index: 1;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -100px; /* Pull content up over image slightly for visual effect */
  background: rgba(17, 17, 17, 0.8); /* Card BG with transparency */
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.5);
}

.page-about__main-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main, #FFF6D6);
  line-height: 1.2;
}

.page-about__description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: #f0f0f0;
}

.page-about__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* General Button Styles */
.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-about__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  color: #ffffff;
  border: none;
}

.page-about__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.page-about__btn-secondary {
  background: transparent;
  color: var(--text-main, #FFF6D6);
  border: 2px solid var(--text-main, #FFF6D6);
}

.page-about__btn-secondary:hover {
  background: var(--text-main, #FFF6D6);
  color: #111111;
}

/* Section Titles */
.page-about__section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-main, #FFF6D6);
}

.page-about__section-title--light {
  color: var(--text-main, #FFF6D6);
}

.page-about__section-subtitle {
  font-size: 1.2rem;
  text-align: center;
  color: #ccc;
  margin-bottom: 50px;
}

/* Intro Section */
.page-about__intro-section {
  background: var(--bg-color, #0A0A0A);
}

.page-about__content-grid {
  display: flex;
  gap: 40px;
  align-items: center;
}

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

.page-about__text-block {
  flex: 1;
  color: #f0f0f0;
}

.page-about__text-block p {
  margin-bottom: 20px;
  font-size: 1.05rem;
}

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

.page-about__image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  display: block;
}

/* Mission Vision Section */
.page-about__mission-vision-section {
  background: var(--card-bg, #111111);
}

.page-about__dark-section {
  background: var(--card-bg, #111111);
  color: var(--text-main, #FFF6D6);
}

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

.page-about__card {
  background: var(--card-bg, #111111);
  border: 1px solid var(--border-color, #3A2A12);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  text-align: center;
  color: var(--text-main, #FFF6D6);
}

.page-about__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-main, #FFF6D6);
}

.page-about__card p {
  font-size: 1rem;
  color: #ccc;
}

/* Values Section */
.page-about__values-section {
  background: var(--bg-color, #0A0A0A);
}

.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.page-about__value-item {
  text-align: center;
  padding: 25px;
  border-radius: 10px;
  background: var(--card-bg, #111111);
  border: 1px solid var(--border-color, #3A2A12);
  box-shadow: 0 3px 10px rgba(0,0,0,0.15);
  color: var(--text-main, #FFF6D6);
}

.page-about__value-icon {
  width: 150px;
  height: 150px;
  object-fit: contain;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-about__value-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-main, #FFF6D6);
}

.page-about__value-item p {
  font-size: 0.95rem;
  color: #ccc;
}

/* Team Section */
.page-about__team-section {
  background: var(--bg-color, #0A0A0A);
}

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

.page-about__team-member {
  text-align: center;
  background: var(--card-bg, #111111);
  border: 1px solid var(--border-color, #3A2A12);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  color: var(--text-main, #FFF6D6);
}

.page-about__team-avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 20px;
  border: 3px solid #FFD36B;
}

.page-about__member-name {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 5px;
  color: var(--text-main, #FFF6D6);
}

.page-about__member-role {
  font-size: 1.1rem;
  color: #FFD36B;
  margin-bottom: 15px;
}

.page-about__member-bio {
  font-size: 0.95rem;
  color: #ccc;
}

/* FAQ Section */
details.page-about__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--border-color, #3A2A12);
  overflow: hidden;
  background: var(--card-bg, #111111);
  color: var(--text-main, #FFF6D6);
}
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;
}
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: rgba(var(--border-color-rgb, 58, 42, 18), 0.5); /* Slightly lighter hover */
}
.page-about__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main, #FFF6D6);
}
.page-about__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FFD36B;
  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: rgba(var(--border-color-rgb, 58, 42, 18), 0.2); /* Slightly lighter background for answer */
  border-radius: 0 0 5px 5px;
  color: #ccc;
}

/* CTA Section */
.page-about__cta-section {
  background: var(--card-bg, #111111);
  text-align: center;
}

.page-about__cta-container {
  max-width: 800px;
}

.page-about__description--light {
  color: #f0f0f0;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__hero-content {
    margin-top: -80px;
    padding: 30px 20px;
  }
  .page-about__main-title {
    font-size: 2.8rem;
  }
  .page-about__description {
    font-size: 1.1rem;
  }
  .page-about__section-title {
    font-size: 2.5rem;
  }
  .page-about__content-grid {
    flex-direction: column;
  }
  .page-about__content-grid--reverse {
    flex-direction: column-reverse;
  }
  .page-about__image-block, .page-about__text-block {
    flex: none;
    width: 100%;
  }
  .page-about__value-icon {
    width: 120px;
    height: 120px;
  }
  .page-about__team-avatar {
    width: 150px;
    height: 150px;
  }
}

@media (max-width: 849px) {
  .page-about__hero-image {
    object-fit: contain !important; /* Ensure image is not cropped on smaller screens */
    aspect-ratio: unset !important; /* Remove fixed aspect ratio */
    width: 100% !important;
    height: auto !important;
  }
}

@media (max-width: 768px) {
  .page-about__section-padding {
    padding: 40px 0;
  }
  .page-about__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* HERO 主图区域 */
  .page-about__hero-section {
    padding-top: 10px;
  }
  .page-about__hero-image-wrapper {
    max-height: 400px;
  }
  .page-about__hero-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important; 
    aspect-ratio: unset !important; 
  }
  .page-about__hero-content {
    margin-top: -60px;
    padding: 25px 15px;
  }
  .page-about__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-about__description {
    font-size: 1rem;
    margin-bottom: 20px;
  }
  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }
  .page-about__btn-primary,
  .page-about__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

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

  /* 装饰主标题 + 长文 SEO 区 */
  .page-about__section-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
    margin-bottom: 30px;
  }
  .page-about__section-subtitle {
    font-size: 1rem;
    margin-bottom: 30px;
  }
  .page-about__content-grid {
    gap: 30px;
  }
  .page-about__text-block p {
    font-size: 0.95rem;
  }

  /* 产品展示图区域 (not applicable for about page, but general grid) */
  .page-about__cards-grid,
  .page-about__values-grid,
  .page-about__team-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* FAQ */
  details.page-about__faq-item summary.page-about__faq-question { padding: 15px; }
  .page-about__faq-qtext { font-size: 15px; }
  details.page-about__faq-item .page-about__faq-answer { padding: 0 15px 15px; }

  /* Team Section specific adjustments */
  .page-about__team-avatar {
    width: 120px;
    height: 120px;
  }
  .page-about__member-name {
    font-size: 1.4rem;
  }
  .page-about__member-role {
    font-size: 1rem;
  }
}