/* style/about.css */

:root {
  --page-about-primary-color: #113B7A;
  --page-about-secondary-color: #1D5FD1;
  --page-about-text-main: #F3F8FF;
  --page-about-text-secondary: #AFC4E8;
  --page-about-card-bg: #10233F;
  --page-about-border-color: #244D84;
  --page-about-glow-color: #4FA8FF;
  --page-about-gold-color: #F2C14E;
  --page-about-divider-color: #1B3357;
  --page-about-deep-navy-color: #08162B;
  --page-about-button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
}

.page-about {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--page-about-text-main); /* Default text color for dark body background */
  background-color: transparent; /* Body background handled by shared.css */
}

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

.page-about__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  padding-bottom: 40px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--page-about-deep-navy-color);
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 675px;
  margin-bottom: 20px;
}

.page-about__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 20px;
}

.page-about__main-title {
  font-size: 2.8em;
  font-weight: 700;
  color: var(--page-about-gold-color);
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-about__hero-description {
  font-size: 1.1em;
  color: var(--page-about-text-secondary);
  margin-bottom: 30px;
}

.page-about__section-title {
  font-size: 2.2em;
  font-weight: 700;
  color: var(--page-about-gold-color);
  text-align: center;
  margin-bottom: 30px;
  padding-top: 40px;
}

.page-about__text-block {
  font-size: 1em;
  color: var(--page-about-text-secondary);
  text-align: justify;
  margin-bottom: 20px;
}

.page-about__dark-section {
  background-color: var(--page-about-deep-navy-color);
  padding: 60px 0;
}

.page-about__card {
  background-color: var(--page-about-card-bg);
  border: 1px solid var(--page-about-border-color);
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  color: var(--page-about-text-main);
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
}

.page-about__card-title {
  font-size: 1.5em;
  color: var(--page-about-gold-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-about__vision-mission {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__highlights-section {
  padding: 60px 0;
  background-color: var(--page-about-primary-color);
}

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

.page-about__feature-card .page-about__feature-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 15px;
}

.page-about__feature-title {
  font-size: 1.4em;
  color: var(--page-about-gold-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-about__commitment-section {
  padding: 60px 0;
}

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

.page-about__customer-service-section {
  padding: 60px 0;
  background-color: var(--page-about-primary-color);
}

.page-about__service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__promotions-section {
  padding: 60px 0;
}

.page-about__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__responsibility-section {
  padding: 60px 0;
  background-color: var(--page-about-primary-color);
}

.page-about__join-us-section {
  padding: 60px 0;
}

.page-about__cta-final {
  text-align: center;
}

.page-about__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-about__btn--primary {
  background: var(--page-about-button-gradient);
  color: #ffffff;
  border: none;
}

.page-about__btn--primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-about__btn--secondary {
  background-color: transparent;
  color: var(--page-about-glow-color);
  border: 2px solid var(--page-about-glow-color);
}

.page-about__btn--secondary:hover {
  background-color: var(--page-about-glow-color);
  color: var(--page-about-deep-navy-color);
}

.page-about__btn--text {
  background-color: transparent;
  color: var(--page-about-glow-color);
  border: none;
  padding: 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.page-about__btn--text::after {
  content: '→';
  font-size: 1.2em;
}

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

.page-about__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 30px;
}

.page-about__cta-buttons--center {
  margin-top: 40px;
  text-align: center;
}

/* Image responsiveness */
.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Desktop/Tablet Styles (larger than 768px) --- */
@media (min-width: 769px) {
  .page-about__hero-section {
    padding-top: 10px; /* Aligns with body padding from shared.css */
    padding-bottom: 60px;
  }

  .page-about__main-title {
    font-size: 3.5em;
  }

  .page-about__section-title {
    font-size: 2.8em;
  }

  .page-about__hero-image {
    max-height: 675px;
  }
}

/* --- Mobile Styles (max-width: 768px) --- */
@media (max-width: 768px) {
  .page-about {
    font-size: 15px;
    line-height: 1.5;
  }

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

  /* HERO 主图区域 */
  .page-about__hero-section {
    padding-top: 10px !important; /* Small top padding, body handles --header-offset */
    padding-bottom: 30px;
  }

  .page-about__main-title {
    font-size: 2em !important;
    margin-bottom: 10px;
  }

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

  .page-about__hero-image {
    max-height: 400px !important;
    width: 100% !important;
    height: auto !important;
  }

  /* 其他内容模块 */
  .page-about__section-title {
    font-size: 1.8em !important;
    padding-top: 30px;
    margin-bottom: 20px;
  }

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

  .page-about__card {
    padding: 20px;
  }

  .page-about__card-title {
    font-size: 1.3em;
  }

  .page-about__vision-mission,
  .page-about__feature-grid,
  .page-about__commitment-grid,
  .page-about__service-cards,
  .page-about__promo-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
    margin-top: 20px;
  }

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

  .page-about__section,
  .page-about__card,
  .page-about__container {
    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,
  .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 15px;
  }

  .page-about__cta-buttons,
  .page-about__button-group,
  .page-about__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 10px;
  }

  .page-about__cta-buttons--center {
    margin-top: 30px;
  }

  .page-about__feature-card .page-about__feature-image {
    height: auto;
  }
}