/* 关于我们页面样式 */

/* Banner样式 */
.about-banner {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  overflow: hidden;
}

.about-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/n_about.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  animation: bannerZoomIn 8s ease-out forwards;
  z-index: 0;
}

@keyframes bannerZoomIn {
    0% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.banner-content {
  position: relative;
  z-index: 2;
}

.banner-content h1 {
  font-size: 54px;
  font-weight: 700;
  margin-bottom: 30px;
}

.banner-content p {
  font-size: 18px;
  opacity: 0.9;
}

/* 关于我们样式 */
.about-us-section {
  padding: 80px 0;
  background: #ffffff;
}

.about-content {
  margin: 0 auto;
}

.about-main-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 24px;
  text-align: left;
  line-height: 1.3;
}

.about-main-desc {
  font-size: 1rem;
  color: #4b5563;
  line-height: 1.8;
  margin: 0 auto 40px;
  text-align: left;
}

.about-main-desc p {
  margin-bottom: 16px;
}

.about-main-desc p:last-child {
  margin-bottom: 0;
}

/* 核心描述样式 */
.about-features {
  margin-top: 40px;
}

.feature-card {
  background-color: #f8f9fa;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 30px;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
  border-color: #39b058;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}

.feature-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background-color: #39b058;
  margin-right: 12px;
  border-radius: 2px;
}

.feature-desc {
  font-size: 0.9375rem;
  color: #4b5563;
  line-height: 1.7;
  flex: 1;
}

/* 公司简介样式 */
.company-intro {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.intro-content {
  padding-right: 30px;
}

.intro-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #111827;
}

.intro-content p {
  font-size: 1rem;
  color: #4b5563;
  margin-bottom: 16px;
  line-height: 1.8;
}

.intro-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

/* 核心价值观样式 */
.core-values {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 10px;
}

.title-line {
  width: 60px;
  height: 3px;
  background-color: #39b058;
  margin: 0 auto;
}

.value-item {
  text-align: center;
  padding: 24px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  margin-bottom: 30px;
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
}

.value-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.value-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(57, 176, 88, 0.1);
  color: #39b058;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  font-size: 1.25rem;
}

.value-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #111827;
}

.value-item p {
  font-size: 0.875rem;
  color: #4b5563;
  line-height: 1.6;
}

/* 发展历程样式 */
.development-history {
  padding: 80px 0;
  background-color: #ffffff;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: #e5e7eb;
}

.timeline-item {
  position: relative;
  padding-left: 40px;
  margin-bottom: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -9px;
  top: 5px;
  width: 20px;
  height: 20px;
  background-color: #39b058;
  border-radius: 50%;
  border: 4px solid #ffffff;
  box-shadow: 0 0 0 2px #39b058;
}

.timeline-year {
  font-size: 1.25rem;
  font-weight: 700;
  color: #39b058;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 0.875rem;
  color: #4b5563;
  line-height: 1.6;
}

/* 团队介绍样式 */
.team-intro {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.team-item {
  text-align: center;
  padding: 20px;
  transition: all 0.3s ease;
}

.team-image {
  margin-bottom: 15px;
}

.team-image img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border: 4px solid #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.team-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 5px;
}

.team-info p {
  font-size: 0.875rem;
  color: #4b5563;
  margin-bottom: 0;
}

.team-item:hover {
  transform: translateY(-5px);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .about-banner {
    height: 300px;
  }
  
  .banner-content h1 {
    font-size: 2rem;
  }
  
  .company-intro {
    padding: 60px 0;
  }
  
  .intro-content {
    padding-right: 0;
    margin-bottom: 30px;
  }
  
  .core-values,
  .development-history,
  .team-intro {
    padding: 60px 0;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    padding-left: 60px;
  }
  
  .timeline-item::before {
    left: 11px;
  }
}

@media (max-width: 576px) {
  .team-image img {
    width: 120px;
    height: 120px;
  }
}