.page-about {
  color: #ffffff; /* Body background is dark, so text is light */
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #000000; /* Ensure main background matches shared.css for contrast */
}

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

.page-about__hero-section {
  text-align: center;
  padding-top: 0; /* Assumes shared.css handles body padding-top */
  padding-bottom: 80px;
  background-color: #000000;
  color: #ffffff;
}

.page-about__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  color: #26A9E0;
  text-shadow: 0 0 10px rgba(38, 169, 224, 0.5);
}

.page-about__hero-description {
  font-size: 1.3em;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: #f0f0f0;
}

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

.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-primary {
  background-color: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-about__btn-primary:hover {
  background-color: #1a7fb8;
  border-color: #1a7fb8;
}

.page-about__btn-secondary {
  background-color: transparent;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-about__btn-secondary:hover {
  background-color: #26A9E0;
  color: #ffffff;
}

.page-about__section {
  padding: 60px 0;
  background-color: #000000;
  color: #ffffff;
}

.page-about__section-title {
  font-size: 2.5em;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 40px;
  text-shadow: 0 0 5px rgba(38, 169, 224, 0.3);
}

.page-about__sub-title {
  font-size: 1.8em;
  color: #ffffff;
  margin-top: 30px;
  margin-bottom: 15px;
  border-left: 5px solid #26A9E0;
  padding-left: 10px;
}

.page-about__text-block {
  font-size: 1.1em;
  margin-bottom: 15px;
  color: #f0f0f0;
}

.page-about__text-block--center {
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__inline-link {
  color: #26A9E0;
  text-decoration: none;
  font-weight: bold;
}

.page-about__inline-link:hover {
  text-decoration: underline;
}

.page-about__flex-container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.page-about__flex-container--reverse {
  flex-direction: row-reverse;
}

.page-about__content-block {
  flex: 1;
}

.page-about__image-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 200px;
  min-height: 200px;
}

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

.page-about__image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(38, 169, 224, 0.2);
  min-width: 200px;
  min-height: 200px;
}

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

.page-about__list-item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 1.1em;
  color: #f0f0f0;
}

.page-about__list-item::before {
  content: '✔';
  color: #26A9E0;
  position: absolute;
  left: 0;
  font-weight: bold;
}

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

.page-about__product-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-about__product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(38, 169, 224, 0.3);
}

.page-about__product-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 15px;
  min-width: 200px;
  min-height: 200px;
}

.page-about__product-title {
  font-size: 1.5em;
  color: #26A9E0;
  margin-bottom: 10px;
}

.page-about__product-title a {
  color: #26A9E0;
  text-decoration: none;
}

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

.page-about__product-description {
  color: #f0f0f0;
  font-size: 0.95em;
}

.page-about__contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
  text-align: center;
}

.page-about__contact-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-about__contact-title {
  font-size: 1.6em;
  color: #26A9E0;
  margin-bottom: 15px;
}

.page-about__contact-text {
  color: #f0f0f0;
  margin-bottom: 20px;
}

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

.page-about__faq-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.1);
  transition: background-color 0.3s ease;
}

.page-about__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.page-about__faq-title {
  font-size: 1.2em;
  color: #ffffff;
  margin: 0;
}

.page-about__faq-toggle {
  font-size: 1.8em;
  color: #26A9E0;
  font-weight: bold;
  transition: transform 0.3s ease;
}

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

.page-about__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 25px;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: #f0f0f0;
}

.page-about__faq-item.active .page-about__faq-answer {
  max-height: 1000px !important; /* Sufficiently large to show content */
  padding: 15px 25px;
}

/* --- Responsive Styles --- */

/* Tablet and Mobile */
@media (max-width: 1024px) {
  .page-about__hero-title {
    font-size: 3em;
  }

  .page-about__hero-description {
    font-size: 1.1em;
  }

  .page-about__section-title {
    font-size: 2em;
  }

  .page-about__sub-title {
    font-size: 1.5em;
  }

  .page-about__flex-container {
    flex-direction: column;
    gap: 30px;
  }

  .page-about__flex-container--reverse {
    flex-direction: column;
  }

  .page-about__products-grid,
  .page-about__contact-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

/* Mobile Specific */
@media (max-width: 768px) {
  .page-about__container {
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* HERO 主图区域 */
  .page-about__hero-section {
    padding-top: 0 !important; /* Override any potential shared padding for hero */
    padding-bottom: 40px !important;
  }

  .page-about__hero-title {
    font-size: 2.2em !important;
    margin-bottom: 15px !important;
  }

  .page-about__hero-description {
    font-size: 1em !important;
    margin-bottom: 20px !important;
  }

  /* 按钮与按钮容器 */
  .page-about__cta-buttons {
    flex-direction: column !important;
    gap: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px !important; /* Add padding to container to prevent edge overflow */
  }

  .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: 12px 20px !important;
    font-size: 1em !important;
  }

  .page-about__section {
    padding: 30px 0 !important;
  }

  .page-about__section-title {
    font-size: 1.8em !important;
    margin-bottom: 25px !important;
  }

  .page-about__sub-title {
    font-size: 1.3em !important;
    margin-top: 20px !important;
    margin-bottom: 10px !important;
  }

  .page-about__text-block {
    font-size: 0.95em !important;
  }

  /* 通用图片与容器 */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  .page-about__image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 产品展示图区域 */
  .page-about__products-grid {
    grid-template-columns: 1fr !important; /* Single column layout for products */
    gap: 20px !important;
    margin-top: 25px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-about__product-card {
    padding: 15px !important;
    min-height: auto !important;
  }

  .page-about__product-title {
    font-size: 1.3em !important;
  }

  .page-about__contact-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
    margin-top: 25px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-about__contact-card {
    padding: 20px !important;
    min-height: auto !important;
  }

  .page-about__contact-title {
    font-size: 1.4em !important;
  }

  /* FAQ section */
  .page-about__faq-list {
    margin-top: 25px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-about__faq-item {
    margin-bottom: 10px !important;
  }

  .page-about__faq-question {
    padding: 15px 20px !important;
  }

  .page-about__faq-title {
    font-size: 1.1em !important;
  }

  .page-about__faq-toggle {
    font-size: 1.5em !important;
  }

  .page-about__faq-answer {
    padding: 10px 20px !important;
  }

  /* Other content modules */
  .page-about__overview-section,
  .page-about__why-choose-section,
  .page-about__products-showcase,
  .page-about__commitment-section,
  .page-about__team-section,
  .page-about__contact-section,
  .page-about__faq-section {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
}