.page-about {
  color: #ffffff; /* Default text color for dark body background */
}

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

.page-about__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, shared.css handles body padding-top */
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  background-color: #000000; /* Ensure dark background for contrast */
  color: #ffffff;
  text-align: center;
}

.page-about__hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 600px; /* Fixed height for desktop hero */
  overflow: hidden;
}

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

.page-about__hero-content-wrapper {
  position: relative;
  padding: 60px 0;
  z-index: 1;
  background-color: rgba(0, 0, 0, 0.6); /* Semi-transparent overlay for text readability */
  margin-top: -100px; /* Pull content slightly over image for visual flow */
}

.page-about__main-title {
  font-size: 2.8em;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #26A9E0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__intro-text {
  font-size: 1.1em;
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: 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;
  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;
}

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

.page-about__btn-primary:hover {
  background-color: #1e87c0;
  border-color: #1e87c0;
}

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

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

.page-about__section {
  padding: 80px 0;
}

.page-about__dark-bg {
  background-color: #000000;
  color: #ffffff;
}

.page-about__light-bg {
  background-color: #0d0d0d;
  color: #ffffff;
}

.page-about__section-title {
  font-size: 2.2em;
  font-weight: 700;
  margin-bottom: 50px;
  text-align: center;
  color: #26A9E0;
}

.page-about__sub-title {
  font-size: 1.6em;
  font-weight: 600;
  margin-top: 30px;
  margin-bottom: 15px;
  color: #ffffff;
}

.page-about__introduction-section .page-about__content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-about__text-block p,
.page-about__value-list,
.page-about__feature-list,
.page-about__contact-list {
  font-size: 1.05em;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #f0f0f0;
}

.page-about__value-list,
.page-about__feature-list,
.page-about__contact-list {
  list-style-type: disc;
  margin-left: 20px;
  padding-left: 0;
}

.page-about__value-item,
.page-about__feature-item,
.page-about__contact-item {
  margin-bottom: 10px;
}

.page-about__value-item strong,
.page-about__feature-item strong {
  color: #26A9E0;
}

.page-about__why-choose-us .page-about__content-flex,
.page-about__team-section .page-about__content-flex {
  display: flex;
  align-items: flex-start;
  gap: 60px;
}

.page-about__why-choose-us .page-about__image-block,
.page-about__team-section .page-about__image-block {
  flex: 1;
  min-width: 400px;
}

.page-about__why-choose-us .page-about__text-block,
.page-about__team-section .page-about__text-block {
  flex: 2;
}

.page-about__content-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  display: block;
}

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

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

.page-about__commitment-item {
  background-color: rgba(255, 255, 255, 0.05); /* Slightly lighter background for cards */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: #ffffff;
}

.page-about__commitment-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-about__commitment-title {
  font-size: 1.4em;
  font-weight: 600;
  margin-bottom: 15px;
  color: #26A9E0;
}

.page-about__contact-section .page-about__contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.page-about__contact-info {
  text-align: left;
}

.page-about__contact-info p {
  margin-bottom: 30px;
}

.page-about__contact-list a {
  color: #26A9E0;
  text-decoration: none;
}

.page-about__contact-list a:hover {
  text-decoration: underline;
}

.page-about__contact-image-wrapper {
  text-align: right;
}

.page-about__contact-image {
  width: 100%;
  height: auto;
  max-width: 600px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  display: block;
  margin-left: auto;
}

.page-about__final-cta {
  text-align: center;
  padding-bottom: 100px;
}

.page-about__final-text {
  font-size: 1.1em;
  line-height: 1.8;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: #f0f0f0;
}

.page-about a {
  color: #26A9E0;
}

/* Ensure images in content areas are not small icons */
.page-about img {
  min-width: 200px;
  min-height: 200px;
}

.page-about__btn-inline {
  margin-top: 20px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-about__hero-image-wrapper {
    height: 500px;
  }

  .page-about__hero-content-wrapper {
    padding: 40px 0;
    margin-top: -80px;
  }

  .page-about__main-title {
    font-size: 2.4em;
  }

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

  .page-about__why-choose-us .page-about__content-flex,
  .page-about__team-section .page-about__content-flex {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  .page-about__why-choose-us .page-about__image-block,
  .page-about__team-section .page-about__image-block {
    min-width: auto;
    width: 100%;
    max-width: 600px;
  }

  .page-about__contact-section .page-about__contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .page-about__contact-image-wrapper {
    text-align: center;
  }

  .page-about__contact-image {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-about__hero-section {
    padding-top: 10px !important; /* Small top padding, shared.css handles body padding-top */
    padding-bottom: 0;
  }

  .page-about__hero-image-wrapper {
    height: 300px !important;
  }

  .page-about__hero-content-wrapper {
    padding: 30px 0 !important;
    margin-top: -60px !important;
  }

  .page-about__main-title {
    font-size: 1.8em !important;
    margin-bottom: 15px !important;
  }

  .page-about__intro-text {
    font-size: 0.95em !important;
    margin-bottom: 30px !important;
  }

  .page-about__cta-buttons {
    flex-direction: column !important; /* Multiple buttons vertical stacking */
    gap: 15px !important;
    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__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;
    padding-right: 15px;
  }

  /* 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__section,
  .page-about__card,
  .page-about__container,
  .page-about__image-block,
  .page-about__text-block,
  .page-about__hero-image-wrapper,
  .page-about__hero-content-wrapper,
  .page-about__contact-image-wrapper,
  .page-about__commitment-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden;
  }

  .page-about__section {
    padding: 40px 0 !important;
  }

  .page-about__section-title {
    font-size: 1.8em !important;
    margin-bottom: 30px !important;
  }

  .page-about__sub-title {
    font-size: 1.4em !important;
    margin-top: 25px !important;
    margin-bottom: 10px !important;
  }

  .page-about__text-block p,
  .page-about__value-list,
  .page-about__feature-list,
  .page-about__contact-list {
    font-size: 1em !important;
    margin-bottom: 15px !important;
  }

  .page-about__commitment-grid {
    grid-template-columns: 1fr !important;
  }

  .page-about__commitment-image {
    height: 200px !important;
  }

  .page-about__contact-image {
    max-width: 100% !important;
  }

  /* 其他内容模块 */
  .page-about__final-text {
    font-size: 1em !important;
    margin-bottom: 30px !important;
  }

  .page-about__container {
    padding: 0 15px !important;
  }

  .page-about__why-choose-us .page-about__content-flex,
  .page-about__team-section .page-about__content-flex {
    gap: 30px !important;
  }
}