.page-about {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-color, #F4F7FB);
}

.page-about__section {
  padding: 60px 20px;
  text-align: center;
}

.page-about__section:nth-of-type(odd) {
  background-color: var(--bg-color, #F4F7FB);
}

.page-about__section:nth-of-type(even) {
  background-color: #ffffff;
}

.page-about__dark-section {
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%);
  color: #ffffff;
}

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

.page-about__container--flex {
  display: flex;
  align-items: center;
  gap: 40px;
  text-align: left;
}

.page-about__content-block {
  flex: 1;
}

.page-about__image-block {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-about__image-block--center {
  margin-top: 40px;
}

.page-about__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  background: linear-gradient(180deg, #2F6BFF 0%, #6FA3FF 100%);
  color: #ffffff;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  margin-bottom: 30px;
  overflow: hidden;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
}

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

.page-about__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #ffffff;
}

.page-about__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: #f0f0f0;
}

.page-about__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  width: 100%;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-about__btn-primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  transform: translateY(-2px);
}

.page-about__btn-secondary {
  background: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
}

.page-about__btn-secondary:hover {
  background: #f0f0f0;
  color: #1F2D3D;
  transform: translateY(-2px);
}

.page-about__section-title {
  font-size: 2.5em;
  font-weight: 700;
  margin-bottom: 40px;
  color: var(--text-main);
}

.page-about__section-title--light {
  color: #ffffff;
}

.page-about__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  text-align: justify;
  color: var(--text-main);
}

.page-about__dark-section .page-about__text-block {
  color: #f0f0f0;
}

.page-about__image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

.page-about__card {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
  text-align: left;
  color: var(--text-main);
}

.page-about__card-title {
  font-size: 1.8em;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--custom-color_1776249996415);
}

.page-about__card-text {
  font-size: 1em;
  line-height: 1.7;
  color: var(--text-main);
  text-align: justify;
}

.page-about__mission-vision-section .page-about__card {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  box-shadow: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-about__mission-vision-section .page-about__card-title {
  color: #ffffff;
}

.page-about__mission-vision-section .page-about__card-text {
  color: #f0f0f0;
}

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

.page-about__value-item {
  text-align: left;
}

.page-about__value-title {
  font-size: 1.6em;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--custom-color_1776249996415);
}

.page-about__value-description {
  font-size: 0.95em;
  line-height: 1.6;
  color: var(--text-main);
  text-align: justify;
}

.page-about__feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-about__feature-item {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
  text-align: left;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-about__feature-title {
  font-size: 1.4em;
  font-weight: 600;
  margin-bottom: 10px;
  color: #ffffff;
}

.page-about__feature-description {
  font-size: 0.95em;
  line-height: 1.6;
  color: #f0f0f0;
  text-align: justify;
}

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

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-about__container--flex {
    flex-direction: column;
    text-align: center;
  }

  .page-about__image-block {
    margin-top: 30px;
  }

  .page-about__container--reverse-mobile {
    flex-direction: column-reverse;
  }
}

@media (max-width: 768px) {
  .page-about {
    font-size: 16px;
    line-height: 1.6;
  }

  /* HERO 主图区域 */
  .page-about__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px !important;
  }

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

  .page-about__hero-description {
    font-size: 1em !important;
  }

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

  .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 20px !important;
  }

  .page-about__section {
    padding: 40px 15px !important;
  }

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

  .page-about__section-title {
    font-size: 2em !important;
    margin-bottom: 30px !important;
  }

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

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

  .page-about__image-block {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-about__card {
    padding: 20px !important;
  }

  .page-about__card-title {
    font-size: 1.5em !important;
  }

  .page-about__values-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-about__value-title {
    font-size: 1.3em !important;
  }

  .page-about__feature-item {
    padding: 15px !important;
  }

  .page-about__feature-title {
    font-size: 1.2em !important;
  }
}