.page-about {
  font-family: 'Arial', sans-serif;
  color: #333333; /* Default text color for light body background */
  line-height: 1.6;
  background-color: #FFFFFF;
}

.page-about__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0; /* Small top padding, more bottom padding */
  background-color: #f0f8ff; /* Light background for the hero section */
  text-align: center;
}

.page-about__hero-image {
  width: 100%;
  max-width: 1920px; /* Max width for hero image */
  height: auto;
  display: block;
  object-fit: cover;
  margin-bottom: 20px;
}

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

.page-about__main-title {
  font-size: clamp(2em, 3.5vw, 3em); /* Responsive font size */
  font-weight: 700;
  color: #26A9E0; /* Brand color for main title */
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-about__description {
  font-size: 1.1em;
  color: #555555;
  margin-bottom: 30px;
}

.page-about__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

.page-about__btn-primary,
.page-about__btn-secondary,
.page-about__btn-link {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  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: #FFFFFF;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-about__btn-secondary:hover {
  background-color: #f0f8ff;
  color: #1e87c0;
  border-color: #1e87c0;
}

.page-about__btn-link {
  background-color: #EA7C07; /* Login color for general links */
  color: #FFFFFF;
  border: 2px solid #EA7C07;
  padding: 8px 15px;
  font-size: 0.9em;
}

.page-about__btn-link:hover {
  background-color: #cc6c06;
  border-color: #cc6c06;
}

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

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

.page-about__heading {
  font-size: 2.5em;
  font-weight: 700;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 40px;
}

.page-about__sub-heading {
  font-size: 1.8em;
  font-weight: 600;
  color: #333333;
  margin-top: 40px;
  margin-bottom: 20px;
}

.page-about__paragraph {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: #333333;
}

.page-about__image {
  max-width: 100%;
  height: auto;
  display: block;
  margin-bottom: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-about__image--left {
  float: left;
  margin-right: 30px;
  margin-bottom: 20px;
  max-width: 40%;
}

.page-about__image--right {
  float: right;
  margin-left: 30px;
  margin-bottom: 20px;
  max-width: 40%;
}

.page-about__list {
  list-style: disc;
  padding-left: 25px;
  margin-bottom: 20px;
}

.page-about__list-item {
  font-size: 1.05em;
  margin-bottom: 10px;
  color: #333333;
}

.page-about__link {
  color: #26A9E0;
  text-decoration: none;
  font-weight: 500;
}

.page-about__link:hover {
  text-decoration: underline;
}

.page-about__highlight {
  color: #EA7C07;
  font-weight: 600;
}

.page-about__products-services {
  background-color: #f8f8f8;
}

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

.page-about__card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  padding: 25px;
  text-align: center;
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 450px; /* Ensure cards have similar height */
}

.page-about__card:hover {
  transform: translateY(-5px);
}

.page-about__card-image {
  max-width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-about__card-title {
  font-size: 1.4em;
  font-weight: 600;
  color: #333333;
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-about__card-link {
  color: #26A9E0;
  text-decoration: none;
}

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

.page-about__card-text {
  font-size: 0.95em;
  color: #555555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-about__dark-section {
  background-color: #26A9E0;
  color: #FFFFFF;
}

.page-about__dark-section .page-about__heading,
.page-about__dark-section .page-about__sub-heading,
.page-about__dark-section .page-about__paragraph,
.page-about__dark-section .page-about__list-item,
.page-about__dark-section .page-about__link {
  color: #FFFFFF;
}

.page-about__dark-section .page-about__link:hover {
  color: #f0f8ff;
}

.page-about__dark-section .page-about__btn-primary {
  background-color: #EA7C07;
  border-color: #EA7C07;
}

.page-about__dark-section .page-about__btn-primary:hover {
  background-color: #cc6c06;
  border-color: #cc6c06;
}

.page-about__faq-section {
  background-color: #f0f8ff;
}

.page-about__faq-list {
  margin-top: 30px;
}

.page-about__faq-item {
  background-color: #FFFFFF;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: 600;
  color: #333333;
  cursor: pointer;
  background-color: #fdfdfd;
  transition: background-color 0.3s ease;
  list-style: none;
}

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

.page-about__faq-question:hover {
  background-color: #f5f5f5;
}

.page-about__faq-qtext {
  flex-grow: 1;
}

.page-about__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: #26A9E0;
}

.page-about__faq-item[open] .page-about__faq-toggle {
  content: '−';
}

.page-about__faq-answer {
  padding: 15px 25px 25px;
  font-size: 1em;
  color: #555555;
  border-top: 1px solid #eee;
}

.page-about__cta-final {
  background-color: #26A9E0;
  text-align: center;
  color: #FFFFFF;
}

.page-about__cta-final .page-about__heading,
.page-about__cta-final .page-about__paragraph {
  color: #FFFFFF;
}

.page-about__cta-final .page-about__btn-primary {
  background-color: #EA7C07;
  border-color: #EA7C07;
}

.page-about__cta-final .page-about__btn-primary:hover {
  background-color: #cc6c06;
  border-color: #cc6c06;
}

/* Clearfix for floated images */
.page-about__about-intro::after,
.page-about__security-commitment::after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-about__image--left,
  .page-about__image--right {
    max-width: 50%;
    float: none;
    margin: 0 auto 30px auto;
  }
}

@media (max-width: 768px) {
  .page-about__hero-section {
    padding: 10px 0 40px 0;
  }

  .page-about__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

  .page-about__description {
    font-size: 1em;
  }

  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about__btn-link {
    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;
  }

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

  .page-about__heading {
    font-size: 2em;
    margin-bottom: 30px;
  }

  .page-about__sub-heading {
    font-size: 1.5em;
    margin-top: 30px;
    margin-bottom: 15px;
  }

  .page-about__paragraph,
  .page-about__list-item {
    font-size: 0.95em;
  }

  .page-about__image--left,
  .page-about__image--right {
    max-width: 100%;
    float: none;
    margin: 0 auto 20px auto;
  }

  .page-about__grid {
    grid-template-columns: 1fr;
  }

  .page-about__card {
    min-height: auto;
  }

  /* Mobile image responsiveness */
  .page-about img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__cta-buttons,
  .page-about__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ensure no overflow */
  }

  .page-about__video-section {
    padding-top: 10px !important; /* body已承担--header-offset */
  }

  .page-about__faq-question {
    font-size: 1em;
    padding: 15px 20px;
  }

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

@media (max-width: 480px) {
  .page-about__heading {
    font-size: 1.8em;
  }

  .page-about__sub-heading {
    font-size: 1.3em;
  }

  .page-about__faq-question {
    font-size: 0.95em;
  }
}