/* style/about.css */
/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-about {
  color: #F2FFF6; /* Main text color for dark backgrounds */
  background-color: #08160F; /* Overall page background */
}

.page-about__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  box-sizing: border-box;
  overflow: hidden;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  filter: brightness(0.4); /* Darken image for text readability, not changing color */
}

.page-about__hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  color: #F2FFF6;
}

.page-about__main-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #F2FFF6;
  margin-bottom: 20px;
}

.page-about__description {
  font-size: 1.1em;
  line-height: 1.6;
  color: #A7D9B8;
  margin-bottom: 40px;
}

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

.page-about__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  padding: 12px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-block;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-about__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

.page-about__btn-secondary {
  background-color: transparent;
  color: #2AD16F;
  border: 2px solid #2AD16F;
  padding: 10px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  cursor: pointer;
  display: inline-block;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-about__btn-secondary:hover {
  background-color: #2AD16F;
  color: #ffffff;
}

.page-about__intro-section,
.page-about__values-section,
.page-about__commitment-section,
.page-about__faq-section {
  background-color: #0A4B2C; /* Light background for contrast */
  color: #F2FFF6;
  padding: 80px 20px;
  box-sizing: border-box;
}

.page-about__why-choose-us,
.page-about__team-section,
.page-about__future-section,
.page-about__cta-section {
  background-color: #08160F; /* Dark background */
  color: #F2FFF6;
  padding: 80px 20px;
  box-sizing: border-box;
}

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

.page-about__heading {
  text-align: center;
  color: #F2FFF6;
  margin-bottom: 40px;
  font-size: 2.5em;
}

.page-about__text {
  line-height: 1.7;
  margin-bottom: 20px;
  color: #A7D9B8;
}

.page-about__image {
  display: block;
  margin: 40px auto;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

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

.page-about__feature-card,
.page-about__value-item,
.page-about__team-member,
.page-about__commitment-item {
  background-color: #11271B; /* Card BG */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  text-align: center;
  color: #F2FFF6;
  border: 1px solid #2E7A4E;
}

.page-about__feature-icon,
.page-about__team-photo {
  width: 100%;
  height: auto;
  max-width: 250px;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-about__feature-title,
.page-about__value-title,
.page-about__member-name,
.page-about__commitment-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 15px;
  color: #57E38D;
}

.page-about__feature-text,
.page-about__value-text,
.page-about__member-role,
.page-about__commitment-description {
  font-size: 1em;
  line-height: 1.6;
  color: #A7D9B8;
}

.page-about__values-list,
.page-about__commitment-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
  list-style: none;
  padding: 0;
}

.page-about__faq-list {
  margin-top: 40px;
}

.page-about__faq-item {
  background-color: #11271B;
  border: 1px solid #2E7A4E;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: #F2FFF6;
}

.page-about__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  list-style: none;
  color: #F2FFF6;
  position: relative;
}

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

.page-about__faq-qtext {
  flex-grow: 1;
  color: #F2FFF6;
}

.page-about__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #57E38D;
}

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

.page-about__faq-answer {
  padding: 0 20px 20px 20px;
  line-height: 1.7;
  color: #A7D9B8;
}

.page-about__faq-answer p {
  margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-about__hero-section {
    padding: 40px 15px;
  }
  .page-about__intro-section,
  .page-about__why-choose-us,
  .page-about__values-section,
  .page-about__team-section,
  .page-about__commitment-section,
  .page-about__future-section,
  .page-about__faq-section,
  .page-about__cta-section {
    padding: 60px 15px;
  }
  .page-about__heading {
    font-size: 2em;
  }
  .page-about__feature-card,
  .page-about__value-item,
  .page-about__team-member,
  .page-about__commitment-item {
    padding: 25px;
  }
}

@media (max-width: 768px) {
  .page-about {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-about__hero-section {
    padding: 30px 15px;
  }
  .page-about__hero-content {
    padding: 0 15px;
  }
  .page-about__main-title {
    font-size: 1.8em; /* Adjusted for mobile */
  }
  .page-about__description {
    font-size: 1em;
  }
  .page-about__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-about__btn-primary,
  .page-about__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-about__intro-section,
  .page-about__why-choose-us,
  .page-about__values-section,
  .page-about__team-section,
  .page-about__commitment-section,
  .page-about__future-section,
  .page-about__faq-section,
  .page-about__cta-section,
  .page-about__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-about__heading {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-about__text {
    font-size: 0.95em;
  }
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-about__feature-card,
  .page-about__value-item,
  .page-about__team-member,
  .page-about__commitment-item {
    padding: 20px;
  }
  .page-about__feature-title,
  .page-about__value-title,
  .page-about__member-name,
  .page-about__commitment-title {
    font-size: 1.2em;
  }
  .page-about__faq-item summary {
    font-size: 1.1em;
    padding: 15px;
  }
  .page-about__faq-answer {
    padding: 0 15px 15px 15px;
  }
  .page-about__faq-section {
    padding-top: 10px !important;
  }
}

@media (max-width: 480px) {
  .page-about__main-title {
    font-size: 1.5em;
  }
  .page-about__heading {
    font-size: 1.5em;
  }
  .page-about__feature-card,
  .page-about__value-item,
  .page-about__team-member,
  .page-about__commitment-item {
    padding: 15px;
  }
  .page-about__feature-icon,
  .page-about__team-photo {
    max-width: 200px;
  }
  .page-about__faq-item summary {
    font-size: 1em;
  }
}