/* about-banner.css 只用于 about.html 顶部横幅区域 */
/* 字体声明已移至 css/common/fonts.css 统一管理 */

.banner-section {
  position: relative;
  min-height: 644px;
  background: linear-gradient(
    180deg,
    rgba(240, 245, 255, 1) 0%,
    rgba(240, 245, 255, 0.9) 100%
  );
  display: flex;
  align-items: center;
  padding: 80px 20px;
  overflow: hidden;
  margin-top: -80px;
}

.banner-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("../images/index/hf.jpg") no-repeat center center;
  background-size: cover;
  opacity: 0.8;
  z-index: 1;
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 1920px;
  margin-left: 15%;
}

.banner-title {
  font-family: var(--font-heading);
  font-size: 48px;
  color: #0066ff;
  margin-bottom: 72px;
  line-height: 1.2;
}

.banner-subtitle {
  font-size: 36px;
  color: #333333;
  margin-bottom: 72px;
  font-family: var(--font-heading);
}

.banner-btn-container {
  display: flex;
  align-items: center;
  cursor: pointer;
  color: #0066ff;
  font-size: 16px;
  gap: 10px;
  background: #ecf5fc;
  width: fit-content;
  border: 1px solid #0066ff;
  border-radius: 3px;
  padding: 10px 20px;
}

@media (max-width: 768px) {
  .banner-title {
    font-size: 32px;
  }
  .banner-subtitle {
    font-size: 20px;
  }
}

/* 公司介绍区域样式 */
.about-intro {
  padding: 60px 0 0 0;
  background: #f4f6fb;
}
.about-intro-title {
  text-align: center;
  font-size: 32px;
  font-weight: bold;
  color: #222;
  margin-bottom: 8px;
  font-family: var(--font-medium);
}
.about-intro-subtitle {
  text-align: center;
  font-size: 16px;
  color: #888;
  margin-bottom: 32px;
  font-family: var(--font-light);
}
.about-intro-content {
  max-width: 1200px;
  margin: 0 auto;
  background: #fff;
  border-radius: 1px;
  /* box-shadow: 0 0 0 1.5px #e3e8f7; */
  display: flex;
  align-items: center;
  padding: 0 18px 0 0;
  height:400px;
}
.about-intro-img-box {
  flex: 0 0 460px;
  border-radius: 8px;
  position: relative;
  left: -26px;
  top: 10px;
  min-width: 320px;
  min-height: 200px;
}
.about-intro-img-box img {
  width: 95%;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.about-intro-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.about-intro-company {
  color: #0D7DFC;
  font-size: 18px;
  font-family: var(--font-medium);
  text-align: center;
  width:100%;
  margin-bottom: 20px;
  margin-top: 10px;
}
.about-intro-stats {
  display: flex;
  gap: 48px;
  margin-bottom: 20px;
  justify-content: center;
  width:100%;
}
.about-intro-stat {
  text-align: center;
}
.about-intro-stat-num {
  color: #0D7DFC;
  font-size: 36px;
  font-family: var(--font-number);
}
.about-intro-stat-label {
  color: #333333;
  font-size: 16px;
  margin-top: 4px;
  font-family: var(--font-light);
}
.about-intro-desc {
  color: #333333;
  font-size: 15px;
  line-height: 2;
  font-family: var(--font-light), sans-serif;
  text-indent: 2em;
}
.about-intro-desc p {
  margin-bottom: 8px;
}
@media (max-width: 900px) {
  .about-intro-content {
    flex-direction: column;
    padding: 32px 12px;
    gap: 24px;
  }
  .about-intro-img-box {
    min-width: 220px;
    min-height: 220px;
    width: 100%;
  }
}

/* 企业文化区域样式 */
.about-culture {
  padding: 60px 0 0 0;
  background: #f4f6fb;
}
.about-culture-title {
  text-align: center;
  font-size: 32px;
  font-weight: bold;
  color: #222;
  margin-bottom: 8px;
  font-family: var(--font-medium), sans-serif;
}
.about-culture-subtitle {
  text-align: center;
  font-size: 16px;
  color: #888;
  margin-bottom: 32px;
  font-family: var(--font-light), sans-serif;
}
.about-culture-cards {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 32px;
  justify-content: center;
}
.about-culture-card {
  flex: 1;
  min-width: 320px;
  background: #fff url(../images/about/ehbg.webp) no-repeat center center;
  border: 1.5px solid #e3e8f7;
  box-shadow: 0 4px 24px rgba(0,0,0,0.04);
  padding: 9px 20px;
  display: flex;
  align-items: center;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.about-culture-card:hover {
  border-color: #b3c6f7;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}
.about-culture-icon {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  margin-right: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.about-culture-card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.about-culture-card-title {
  font-size: 20px;
  font-weight: bold;
  color: #222;
  margin-bottom: 8px;
  font-family: var(--font-medium), sans-serif;
}
.about-culture-card-desc {
  font-size: 15px;
  color: #4b5563;
  font-family: var(--font-light), sans-serif;
}
@media (max-width: 900px) {
  .about-culture-cards {
    flex-direction: column;
    gap: 20px;
  }
  .about-culture-card {
    min-width: 0;
    padding: 24px 12px;
  }
  .about-culture-icon {
    margin-right: 16px;
  }
}

/* 公司历程区域样式 */
.about-history {
  padding: 60px 0 0 0;
  /* background: #fff; */
  position: relative;
  overflow: hidden;
  margin-top: 100px;
}
.about-history-title {
  text-align: center;
  font-size: 32px;
  font-weight: bold;
  color: #222;
  margin-bottom: 8px;
  font-family: var(--font-medium), sans-serif;
}
.about-history-subtitle {
  text-align: center;
  font-size: 16px;
  color: #888;
  margin-bottom: 32px;
  font-family: var(--font-light), sans-serif;
}
.about-history-bg {
  position: absolute;
  left: 0; right: 0; top: 180px; bottom: 0;
  z-index: 0;
  background: url(../images/about/lcbg.webp) no-repeat center center; /* 背景图片后期补上 */
  background-position: 0 0;
  background-size: cover;
  opacity: 0.7;
  pointer-events: none;
}
.about-timeline {
  position: relative;
  z-index: 1;
  width: 100%;
  margin: 0 auto;
  height: 680px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.about-timeline::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 8px;
  background: linear-gradient(180deg, #0D7DFC 0%, rgba(13, 125, 252, 0.2) 100%);
  border-radius: 2px;
  z-index: 0;
  transform: translateY(-50%);
}
.about-timeline-item {
  position: relative;
  width: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}
.about-timeline-item-top::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  width: 0;
  height: calc(50% - 12px);
  border-left: 2px dashed #4ca6ff;
  transform: translateX(-50%);
  z-index: 0;
}
.about-timeline-item-bottom::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: calc(50% - 12px);
  border-left: 2px dashed #4ca6ff;
  transform: translateX(-50%);
  z-index: 0;
}
.about-timeline-dot {
  width: 24px;
  height: 24px;
  position: absolute;
  top: 50%;
  left: 150%;
  transform: translate(-50%, -50%);
  z-index: 1;
}
.about-timeline-item-top .about-timeline-dot {
  border-color: #4ca6ff;
}
.about-timeline-item-bottom .about-timeline-dot {
  border-color: #2563eb;
}
.about-timeline-content {
  background: transparent;
  text-align: center;
  margin-bottom: 0;
  margin-top: 0;
  min-height: 60px;
  min-width: 260px;
  max-width: 380px;
  position: relative;
}
.about-timeline-item-top .about-timeline-content {
  position: absolute;
  bottom: 160px;
  left: 150%;
  transform: translateX(-50%);
}
.about-timeline-item-bottom .about-timeline-content {
  position: absolute;
  top: 160px;
  left: 150%;
  transform: translateX(-50%);
}
.about-timeline-date {
  color: #0D7DFC;
  font-size: 16px;
  font-family: var(--font-medium), sans-serif;
}
.about-timeline-desc {
  color: #333333;
  font-size: 14px;
  width:100%;
  font-family: var(--font-primary), sans-serif;
}
.about-timeline-item-top .about-timeline-content::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 100%;
  width: 0;
  height: 140px; /* 可根据实际调整 */
  border-left: 1px dashed #0D7DFC;
  transform: translateX(-50%);
  z-index: 1;
}
.about-timeline-item-bottom .about-timeline-content::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 100%;
  width: 0;
  height: 140px; /* 可根据实际调整 */
  border-left: 1px dashed #0D7DFC;
  transform: translateX(-50%);
  z-index: 1;
}
.about-timeline-date-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  white-space: nowrap;
  margin-bottom: 12px;
}
.about-timeline-date-icon {
  width: 28px;
  height: 16px;
  display: block;
}
@media (max-width: 1200px) {
  .about-timeline {
    max-width: 1000px;
  }
  .about-timeline-item {
    width: 140px;
  }
}
@media (max-width: 900px) {
  .about-timeline {
    max-width: 700px;
    height: 520px;
  }
  .about-timeline-item {
    width: 100px;
  }
  .about-timeline-content {
    min-width: 80px;
    max-width: 120px;
  }
}
@media (max-width: 600px) {
  .about-timeline {
    flex-direction: column;
    height: auto;
    padding: 40px 0;
  }
  .about-timeline-item {
    width: 100%;
    margin-bottom: 40px;
  }
  .about-timeline-item-top .about-timeline-content,
  .about-timeline-item-bottom .about-timeline-content {
    position: static;
    transform: none;
    margin: 0 auto 12px auto;
  }
  .about-timeline-dot {
    position: static;
    transform: none;
    margin: 0 auto 12px auto;
  }
  .about-timeline-item-top::before,
  .about-timeline-item-bottom::before {
    display: none;
  }
}

/* 产品矩阵区域样式 */
.about-products {
  padding: 60px 0 0 0;
  /* background: #f4f6fb; */
}
.about-products-title {
  text-align: center;
  font-size: 32px;
  font-weight: bold;
  color: #222;
  margin-bottom: 8px;
  font-family: var(--font-medium), sans-serif;
}
.about-products-subtitle {
  text-align: center;
  font-size: 16px;
  color: #888;
  margin-bottom: 32px;
  font-family: var(--font-light), sans-serif;
}
.about-products-card {
  width: 80%;
  margin: 0 auto 60px auto;
  background: #F7F8FF;
  /* box-shadow: 0 4px 32px 0 rgba(36, 100, 255, 0.06), 0 0 0 1.5px #e3e8f7; */
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
@media (max-width: 1200px) {
  .about-products-card {
    width: 95%;
    padding: 24px 8px;
    min-height: 320px;
  }
}

/* 公司地址区域样式 */
.about-address {
  padding: 60px 0 0 0;
  /* background: #f4f6fb; */
}
.about-address-card {
  width: 80%;
  margin: 0 auto 60px auto;
  background: #fff;
  border-radius: 2px;
  /* box-shadow: 0 4px 32px 0 rgba(36, 100, 255, 0.06), 0 0 0 1.5px #e3e8f7; */
  padding: 32px 32px 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.about-address-info {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about-address-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 16px;
  margin-bottom: 8px;
}
.about-address-company {
  font-size: 20px;
  font-weight: bold;
  color: #222;
  margin-right: 32px;
  font-family: var(--font-medium), sans-serif;
}
.about-address-icon {
  font-size: 18px;
  margin-right: 4px;
}
.about-address-label {
  color: #2563eb;
  font-weight: bold;
  margin-right: 2px;
}
.about-address-text {
  color: #444;
  margin-right: 24px;
}
.about-address-map {
  width: 100%;
  height: 320px;
  border-radius: 8px;
  overflow: hidden;
  margin-top: 8px;
}
.about-address-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
}
@media (max-width: 1200px) {
  .about-address-card {
    width: 95%;
    padding: 16px 4px 12px 4px;
  }
}
@media (max-width: 700px) {
  .about-address-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .about-address-company {
    margin-bottom: 8px;
  }
  .about-address-map {
    height: 200px;
  }
}