.page-about {
  color: #FFF5E1; /* Text Main */
}

.page-about__hero-section {
  padding-top: 10px; /* Small top padding */
  position: relative;
  text-align: center;
  background: #B71C1C; /* Background */
}

.page-about__hero-image-wrapper {
  max-width: 100%;
  overflow: hidden;
  margin-bottom: 20px;
}

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

.page-about__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}

.page-about__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
  color: #F4D34D; /* Gold */
}

.page-about__intro-text {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #FFF5E1; /* Text Main */
}

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

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

.page-about__section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: #F4D34D; /* Gold */
}

.page-about__section-title--light {
  color: #FFF5E1; /* Text Main */
}

.page-about__text-block {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #FFF5E1; /* Text Main */
}

.page-about__text-block--light {
  color: #FFF5E1; /* Text Main */
}

.page-about__cta-button {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-about__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  color: #7A0E0E; /* Deep Red for contrast */
  border: none;
}

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

.page-about__btn-secondary {
  background: #C91F17; /* Main Color */
  color: #FFF5E1; /* Text Main */
  border: 2px solid #F4D34D; /* Gold */
  margin-top: 15px;
}

.page-about__btn-secondary:hover {
  background: #E53935; /* Auxiliary Color */
  border-color: #FFCC66; /* Glow */
}

.page-about__dark-section {
  background: #B71C1C; /* Background */
}

.page-about__content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.page-about__card {
  background: #D32F2F; /* Card BG */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: #FFF5E1; /* Text Main */
}

.page-about__card-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: #F4D34D; /* Gold */
}

.page-about__card-text {
  font-size: 1rem;
  line-height: 1.7;
  color: #FFF5E1; /* Text Main */
}

.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  text-align: center;
}

.page-about__value-item {
  background: #D32F2F; /* Card BG */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #FFF5E1; /* Text Main */
}

.page-about__value-icon {
  width: 200px;
  height: 150px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-about__value-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #F4D34D; /* Gold */
}

.page-about__value-description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #FFF5E1; /* Text Main */
}

.page-about__security-content, .page-about__csr-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.page-about__security-image-wrapper,
.page-about__csr-image-wrapper {
  max-width: 100%;
  overflow: hidden;
  border-radius: 12px;
}

.page-about__security-image,
.page-about__csr-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.page-about__security-text-block,
.page-about__csr-text-block {
  text-align: left;
}

.page-about__team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  text-align: center;
  margin-top: 40px;
}

.page-about__team-member {
  background: #D32F2F; /* Card BG */
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: #FFF5E1; /* Text Main */
}

.page-about__team-avatar {
  width: 200px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.page-about__member-name {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #F4D34D; /* Gold */
}

.page-about__member-role {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #FFF5E1; /* Text Main */
}

.page-about__features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.page-about__feature-item {
  background: #D32F2F; /* Card BG */
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: #FFF5E1; /* Text Main */
}

.page-about__feature-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #F4D34D; /* Gold */
}

.page-about__feature-description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #FFF5E1; /* Text Main */
}

.page-about__faq-list {
  max-width: 900px;
  margin: 0 auto;
  margin-top: 40px;
}

.page-about__faq-item {
  background: #D32F2F; /* Card BG */
  border-radius: 10px;
  margin-bottom: 15px;
  padding: 15px 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  color: #FFF5E1; /* Text Main */
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: #F4D34D; /* Gold */
}

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

.page-about__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 0.3s ease;
}

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

.page-about__faq-answer {
  padding-top: 15px;
  font-size: 1rem;
  line-height: 1.6;
  color: #FFF5E1; /* Text Main */
}

.page-about__cta-final {
  background: linear-gradient(135deg, #C91F17 0%, #E53935 100%);
  text-align: center;
}

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

.page-about__cta-final .page-about__section-title {
  color: #FFF5E1; /* Text Main */
}

.page-about__cta-final .page-about__text-block {
  color: #FFF5E1; /* Text Main */
  margin-bottom: 30px;
}

.page-about a {
  color: #F4D34D; /* Gold for links */
  text-decoration: underline;
}

.page-about a:hover {
  color: #FFCC66; /* Glow on hover */
}

/* General image and container responsiveness */
.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-about__section,
.page-about__card,
.page-about__container,
.page-about__cta-buttons,
.page-about__button-group,
.page-about__btn-container {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

@media (max-width: 1024px) {
  .page-about__hero-section {
    padding-top: 10px;
  }
  .page-about__section-spacing {
    padding: 40px 0;
  }
  .page-about__section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }
  .page-about__content-grid,
  .page-about__values-grid,
  .page-about__team-grid,
  .page-about__features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .page-about__security-content, .page-about__csr-content {
    grid-template-columns: 1fr;
  }
  .page-about__security-text-block,
  .page-about__csr-text-block {
    order: 2;
  }
  .page-about__security-image-wrapper,
  .page-about__csr-image-wrapper {
    order: 1;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-about__hero-section {
    padding-top: 10px !important; /* Small top padding */
  }
  .page-about__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }
  .page-about__intro-text {
    font-size: 0.95rem;
  }

  /* General section spacing */
  .page-about__section-spacing {
    padding: 30px 0 !important;
  }
  .page-about__container {
    padding: 0 15px !important;
  }
  .page-about__section-title {
    font-size: 1.8rem !important;
    margin-bottom: 25px !important;
  }

  /* Content grids */
  .page-about__content-grid,
  .page-about__values-grid,
  .page-about__team-grid,
  .page-about__features-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  /* Security and CSR sections */
  .page-about__security-content, .page-about__csr-content {
    grid-template-columns: 1fr !important;
  }
  .page-about__security-text-block,
  .page-about__csr-text-block {
    order: 2 !important;
  }
  .page-about__security-image-wrapper,
  .page-about__csr-image-wrapper {
    order: 1 !important;
  }

  /* FAQ section */
  .page-about__faq-item {
    padding: 12px 15px !important;
  }
  .page-about__faq-question {
    font-size: 1rem !important;
  }
  .page-about__faq-answer {
    font-size: 0.9rem !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,
  .page-about__hero-image-wrapper,
  .page-about__security-image-wrapper,
  .page-about__csr-image-wrapper,
  .page-about__team-avatar {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 按钮与按钮容器 */
  .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;
    padding-left: 15px !important;
    padding-right: 15px !important;
    margin-bottom: 10px;
  }
  .page-about__cta-buttons,
  .page-about__button-group,
  .page-about__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
}