/* ========== PC端公司简介样式 ========== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-intro-image {
  position: relative;
}

.about-intro-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.about-intro-image::after {
  content: '';
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 160px;
  height: 160px;
  background-color: hsla(213, 75%, 32%, 0.1);
  border-radius: 12px;
  z-index: -1;
}

.about-intro-text h2 {
  font-size: 30px;
  font-weight: 700;
  color: hsl(215, 28%, 17%);
  margin-bottom: 24px;
}

.about-intro-text p {
  font-size: 15px;
  color: hsl(215, 10%, 45%);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.about-stat {
  text-align: center;
  padding: 20px 12px;
  background-color: hsla(210, 20%, 96%, 0.6);
  border-radius: 8px;
}

.about-stat-num {
  font-size: 28px;
  font-weight: 700;
  color: hsl(213, 75%, 32%);
  margin-bottom: 4px;
}

.about-stat-label {
  font-size: 13px;
  color: hsl(215, 10%, 45%);
}

/* 企业文化 */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.culture-card {
  background-color: #fff;
  border: 1px solid hsla(214, 15%, 88%, 0.6);
  border-radius: 12px;
  padding: 32px 24px;
  transition: all 0.3s ease;
}

.culture-card:hover {
  border-color: hsla(213, 75%, 32%, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transform: translateY(-4px);
}

.culture-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: hsla(213, 75%, 32%, 0.1);
  color: hsl(213, 75%, 32%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.culture-icon svg {
  width: 24px;
  height: 24px;
}

.culture-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: hsl(215, 28%, 17%);
  margin-bottom: 10px;
}

.culture-card p {
  font-size: 13px;
  color: hsl(215, 10%, 45%);
  line-height: 1.7;
}

/* 发展历程 */
.timeline {
  position: relative;
  max-width: 768px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: hsl(214, 15%, 88%);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
  display: flex;
}

.timeline-item:nth-child(odd) {
  justify-content: flex-start;
  padding-right: calc(50% + 24px);
  text-align: right;
}

.timeline-item:nth-child(even) {
  justify-content: flex-end;
  padding-left: calc(50% + 24px);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: hsl(213, 75%, 32%);
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px hsl(213, 75%, 32%);
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-content {
  background-color: #fff;
  border: 1px solid hsla(214, 15%, 88%, 0.6);
  border-radius: 12px;
  padding: 20px 24px;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  border-color: hsla(213, 75%, 32%, 0.3);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.timeline-year {
  font-size: 20px;
  font-weight: 700;
  color: hsl(213, 75%, 32%);
  margin-bottom: 6px;
}

.timeline-event {
  font-size: 14px;
  color: hsl(215, 10%, 45%);
  line-height: 1.6;
}