/* ------------------------------------ */
/* Page-specific styles for About Us */
/* ------------------------------------ */

/* Base styles for the About Us page */
.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default dark text for light body background */
  background-color: var(--background-color, #FFFFFF);
}

/* Sections styling */
.page-about__section {
  padding: 40px 0;
  margin-bottom: 20px;
}

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

.page-about__light-bg {
  background-color: #f8f8f8;
}

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

/* Hero Section */
.page-about__hero-section {
  padding-top: 10px; /* Assumes body has padding-top from shared.css */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Limit height for hero image */
  overflow: hidden;
}

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

.page-about__hero-content {
  padding: 40px 20px;
  position: relative; /* Ensure content is above any potential background elements */
  z-index: 1;
  max-width: 800px;
  margin-top: -100px; /* Overlap slightly with image for visual flow */
  background: rgba(255, 255, 255, 0.9); /* Semi-transparent background for readability */
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  color: #333333;
}

.page-about__main-title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  color: #26A9E0;
  margin-bottom: 15px;
  line-height: 1.2;
}

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

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

.page-about__cta-buttons--bottom {
  margin-top: 40px;
}

.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;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-about__btn-primary {
  background-color: #EA7C07; /* Login color */
  color: #FFFFFF;
  border: 2px solid #EA7C07;
}

.page-about__btn-primary:hover {
  background-color: #d16b00;
  border-color: #d16b00;
}

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

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

.page-about__btn-link {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
  margin-top: 15px;
}

.page-about__btn-link:hover {
  background-color: #1a7fb0;
  border-color: #1a7fb0;
}

/* General Content Styling */
.page-about__section-title {
  font-size: 2.2rem;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 30px;
  font-weight: 700;
}

.page-about__description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: #555555;
}

.page-about p {
  margin-bottom: 15px;
  color: #333333;
}

.page-about__grid-layout {
  display: flex;
  gap: 40px;
  align-items: center;
}

.page-about__grid-layout .page-about__text-block {
  flex: 1;
}

.page-about__grid-layout .page-about__image-block {
  flex: 1;
  text-align: center;
}

.page-about__image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Timeline Section */
.page-about__timeline {
  display: flex;
  flex-direction: column;
  position: relative;
  margin-top: 50px;
}

.page-about__timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  width: 2px;
  height: 100%;
  background: #26A9E0;
  transform: translateX(-50%);
}

.page-about__timeline-item {
  width: 50%;
  padding: 20px 40px;
  position: relative;
  margin-bottom: 20px;
  box-sizing: border-box;
}

.page-about__timeline-item:nth-child(odd) {
  align-self: flex-start;
  text-align: right;
  padding-right: calc(50% + 20px);
}

.page-about__timeline-item:nth-child(even) {
  align-self: flex-end;
  text-align: left;
  padding-left: calc(50% + 20px);
}

.page-about__timeline-item::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #26A9E0;
  border: 3px solid #FFFFFF;
  top: 25px;
  z-index: 1;
}

.page-about__timeline-item:nth-child(odd)::before {
  right: calc(50% - 8px);
}

.page-about__timeline-item:nth-child(even)::before {
  left: calc(50% - 8px);
}

.page-about__timeline-year {
  font-size: 1.5rem;
  color: #26A9E0;
  margin-bottom: 10px;
}

/* Values Grid (Card-like section) */
.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__value-card {
  background: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease;
}

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

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

.page-about__card-title {
  font-size: 1.4rem;
  color: #26A9E0;
  margin-bottom: 10px;
}

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

.page-about__team-member {
  background: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  padding: 30px;
  text-align: center;
}

.page-about__member-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 4px solid #26A9E0;
}

.page-about__member-name {
  font-size: 1.3rem;
  color: #333333;
  margin-bottom: 5px;
}

.page-about__member-role {
  font-size: 1rem;
  color: #26A9E0;
  margin-bottom: 15px;
}

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

.page-about__product-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  padding: 25px;
  text-align: center;
  color: #333333;
}

.page-about__product-card .page-about__card-title {
  color: #26A9E0;
}

/* Security Section */
.page-about__security-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__feature-item {
  background: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.05);
  padding: 25px;
  text-align: center;
}

.page-about__feature-title {
  font-size: 1.3rem;
  color: #26A9E0;
  margin-bottom: 10px;
}

.page-about__security-image {
  margin-top: 40px;
}

/* Social Responsibility Section */
.page-about__responsibility-points {
  margin-top: 40px;
}

.page-about__point-title {
  font-size: 1.4rem;
  color: #26A9E0;
  margin-top: 25px;
  margin-bottom: 15px;
}

.page-about__responsibility-image {
  margin-top: 40px;
}

/* Why Choose Us Section */
.page-about__benefits-list {
  list-style: none;
  padding: 0;
  max-width: 800px;
  margin: 40px auto;
  text-align: left;
}

.page-about__benefits-list li {
  background: rgba(255, 255, 255, 0.9);
  padding: 15px 20px;
  margin-bottom: 10px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  color: #333333;
  position: relative;
  padding-left: 40px;
}

.page-about__benefits-list li::before {
  content: '✅';
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
}

.page-about__benefits-image {
  margin-top: 40px;
}

/* Contact CTA Section */
.page-about__contact-list {
  list-style: none;
  padding: 0;
  max-width: 600px;
  margin: 40px auto;
  text-align: left;
}

.page-about__contact-list li {
  margin-bottom: 15px;
  font-size: 1.1rem;
  color: #333333;
  position: relative;
  padding-left: 30px;
}

.page-about__contact-list li::before {
  content: '📞'; /* Using a phone emoji for contact points */
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.page-about__contact-list li:nth-child(2)::before {
  content: '💬'; /* Chat emoji */
}

.page-about__contact-list li:nth-child(3)::before {
  content: '📱'; /* Social media emoji */
}

.page-about__final-cta {
  font-size: 1.2rem;
  text-align: center;
  font-weight: 600;
  color: #26A9E0;
  margin-top: 30px;
}

/* ------------------------------------ */
/* Responsive styles for mobile */
/* ------------------------------------ */
@media (max-width: 768px) {
  .page-about {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-about__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* HERO 主图区域 */
  .page-about__hero-section {
    padding-top: 10px !important; /* Specific top padding for mobile */
  }

  .page-about__hero-content {
    margin-top: -50px; /* Adjust overlap for mobile */
    padding: 25px 15px;
  }

  .page-about__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .page-about__subtitle {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  /* 按钮与按钮容器 */
  .page-about__cta-buttons,
  .page-about__cta-buttons--bottom {
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

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

  .page-about__section-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
  }

  .page-about__description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  /* 长文区 (General text blocks) */
  .page-about__grid-layout {
    flex-direction: column;
    gap: 30px;
  }

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

  .page-about__timeline::before {
    left: 20px;
  }

  .page-about__timeline-item {
    width: 100%;
    padding: 15px 15px 15px 60px; /* Adjust padding for left-aligned timeline */
    text-align: left !important;
  }

  .page-about__timeline-item:nth-child(odd),
  .page-about__timeline-item:nth-child(even) {
    align-self: flex-start;
    padding-right: 15px;
    padding-left: 60px;
  }

  .page-about__timeline-item::before {
    left: 12px;
    top: 20px;
  }

  .page-about__timeline-item:nth-child(odd)::before,
  .page-about__timeline-item:nth-child(even)::before {
    right: auto;
    left: 12px;
  }

  .page-about__timeline-year {
    font-size: 1.3rem;
  }

  /* Card-like sections (e.g., Values Grid, Product Grid, Team Grid) */
  .page-about__values-grid,
  .page-about__team-grid,
  .page-about__product-grid,
  .page-about__security-features {
    grid-template-columns: 1fr !important; /* Single column layout for mobile */
    gap: 20px;
  }

  .page-about__value-card,
  .page-about__team-member,
  .page-about__product-card,
  .page-about__feature-item {
    padding: 20px;
  }

  .page-about__member-photo {
    width: 100px;
    height: 100px;
  }

  .page-about__card-title,
  .page-about__feature-title,
  .page-about__point-title {
    font-size: 1.2rem;
  }

  .page-about__benefits-list,
  .page-about__contact-list {
    margin-left: 0;
    padding: 0 15px;
    width: 100%;
    box-sizing: border-box;
  }

  .page-about__benefits-list li,
  .page-about__contact-list li {
    padding-left: 30px;
    font-size: 1rem;
  }

  .page-about__final-cta {
    font-size: 1.1rem;
  }
}