/* 关于我们页面特定样式 */
.about-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a75ff 100%);
  color: white;
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.05" d="M0,160L60,170.7C120,181,240,203,360,192C480,181,600,139,720,144C840,149,960,203,1080,208C1200,213,1320,171,1380,149.3L1440,128L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
  background-size: cover;
  background-position: center;
  opacity: 0.8;
}

.about-hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  position: relative;
}

.about-hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
  position: relative;
}

.about-stats {
  background-color: white;
  margin-top: -50px;
  position: relative;
  z-index: 10;
  border-radius: 10px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 30px;
}

.stat-item {
  text-align: center;
  padding: 20px 15px;
  border-right: 1px solid #edf2f7;
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 5px;
  color: var(--primary-color);
}

.stat-label {
  font-size: 14px;
  color: #64748b;
}

.company-intro {
  padding: 100px 0 80px;
}

.intro-flex {
  display: flex;
  align-items: center;
  gap: 50px;
}

.intro-content {
  flex: 1;
}

.intro-image {
  flex: 1;
  position: relative;
  padding-left: 30px;
  padding-bottom: 30px;
}

.intro-image::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 0;
  width: 80%;
  height: 80%;
  background-color: rgba(52, 152, 219, 0.05);
  border-radius: 10px;
  z-index: -1;
}

.intro-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.section-title {
  position: relative;
  margin-bottom: 30px;
  font-size: 2.2rem;
  color: var(--text-color);
}

.section-subtitle {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary-color);
  margin-bottom: 10px;
  display: block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--primary-color);
}

.intro-content p {
  margin-bottom: 20px;
  line-height: 1.8;
}

.mission-vision {
  background-color: #f8fafc;
  padding: 80px 0;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.mission-card {
  background-color: white;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  padding: 40px;
  transition: all 0.3s;
}

.mission-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.mission-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background-color: rgba(52, 152, 219, 0.1);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 20px;
}

.mission-card h3 {
  font-size: 1.6rem;
  margin-bottom: 15px;
  color: var(--text-color);
}

.mission-card p {
  line-height: 1.8;
}

.values {
  padding: 80px 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.value-card {
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background-color: var(--primary-color);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.value-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: rgba(52, 152, 219, 0.1);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.value-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--text-color);
}

.value-card p {
  line-height: 1.7;
}

.team {
  background-color: #f8fafc;
  padding: 80px 0;
}

.team-members {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.team-member {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
}

.team-member:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.member-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.member-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.team-member:hover .member-image img {
  transform: scale(1.05);
}

.member-details {
  padding: 20px;
  text-align: center;
}

.member-name {
  font-size: 1.3rem;
  margin-bottom: 5px;
  color: var(--text-color);
}

.member-position {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 10px;
}

.member-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-color-secondary);
}

.history {
  padding: 80px 0;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 60px auto 0;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 3px;
  background-color: #e0e6ed;
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1.5px;
}

.timeline-item {
  padding: 10px 50px;
  position: relative;
  width: 50%;
  box-sizing: border-box;
  margin-bottom: 30px;
}

.timeline-item:nth-child(odd) {
  left: 0;
}

.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: white;
  border: 3px solid var(--primary-color);
  border-radius: 50%;
  top: 15px;
  z-index: 1;
}

.timeline-item:nth-child(odd)::after {
  right: -13px;
}

.timeline-item:nth-child(even)::after {
  left: -13px;
}

.timeline-content {
  background-color: white;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  position: relative;
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 15px;
  width: 0;
  height: 0;
  border-style: solid;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  right: -15px;
  border-width: 10px 0 10px 15px;
  border-color: transparent transparent transparent white;
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: -15px;
  border-width: 10px 15px 10px 0;
  border-color: transparent white transparent transparent;
}

.timeline-year {
  display: inline-block;
  padding: 5px 10px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 4px;
  font-weight: 600;
  margin-bottom: 10px;
}

.timeline-title {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--text-color);
}

.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a75ff 100%);
  padding: 80px 0;
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.05" d="M0,192L48,197.3C96,203,192,213,288,218.7C384,224,480,224,576,202.7C672,181,768,139,864,138.7C960,139,1056,181,1152,197.3C1248,213,1344,203,1392,197.3L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
  background-size: cover;
  background-position: center;
  opacity: 0.8;
}

.cta-content {
  position: relative;
  z-index: 10;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-content p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 30px;
  opacity: 0.9;
}

/* 研发与技术优势样式 */
.tech-advantage {
  padding: 80px 0;
  background-color: #f8fafc;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.tech-card {
  background-color: white;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
}

.tech-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.tech-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: rgba(22, 93, 255, 0.1);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.tech-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--text-color);
}

.tech-card p {
  line-height: 1.7;
  color: var(--text-color-secondary);
}

.btn-outline {
  background-color: #fff;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .intro-flex {
    flex-direction: column-reverse;
  }

  .intro-image {
    margin-bottom: 40px;
    padding-left: 0;
  }

  .mission-grid,
  .values-grid,
  .team-members {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item:nth-child(3),
  .stat-item:nth-child(4) {
    border-top: 1px solid #edf2f7;
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mission-grid,
  .values-grid,
  .team-members,
  .tech-grid {
    grid-template-columns: 1fr;
  }

  .timeline::after {
    left: 31px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

  .timeline-item:nth-child(even) {
    left: 0;
  }

  .timeline-item::after {
    left: 18px;
  }

  .timeline-item:nth-child(odd) .timeline-content::before {
    right: auto;
    left: -15px;
    border-width: 10px 15px 10px 0;
    border-color: transparent white transparent transparent;
  }
}