/* ===== 关于我们页面样式 ===== */

/* 页面Hero通用样式 */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  color: white;
  padding: 140px 0 80px;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 50%, rgba(255,255,255,0.06) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(0,0,0,0.1) 0%, transparent 40%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}

.breadcrumb a:hover { color: white; }

.breadcrumb span:last-child { color: rgba(255,255,255,0.9); }

.page-hero h1 {
  font-size: 48px;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
}

/* 公司概况 */
.section-overview {
  padding: 100px 0;
  background: white;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 80px;
  align-items: start;
}

.overview-text .section-tag {
  text-align: left;
}

.overview-lead {
  font-size: 17px;
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: 20px;
}

.overview-text > p {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.85;
  margin-bottom: 32px;
}

.overview-highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.oh-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
}

.oh-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.oh-item strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 3px;
}

.oh-item span {
  font-size: 13px;
  color: var(--text-mid);
}

/* 统计数字卡片 */
.overview-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.stat-card.accent {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-color: transparent;
}

.stat-card .sc-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-card .sc-num span {
  font-size: 20px;
}

.stat-card.accent .sc-num {
  color: white;
}

.stat-card .sc-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
}

.stat-card.accent .sc-label {
  color: rgba(255,255,255,0.9);
}

.stat-card .sc-desc {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.stat-card.accent .sc-desc {
  color: rgba(255,255,255,0.65);
}

/* 使命愿景 */
.section-mission {
  padding: 80px 0;
  background: var(--bg-light);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mission-card {
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  color: white;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.mission-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.mc-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.mc-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
}

.mission-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
}

.mission-card p {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
}

/* 发展历程 */
.section-history {
  padding: 100px 0;
  background: white;
}

.history-timeline {
  position: relative;
  padding-left: 120px;
}

.history-timeline::before {
  content: '';
  position: absolute;
  left: 90px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-light), var(--primary), transparent);
}

.ht-item {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  margin-bottom: 40px;
  position: relative;
}

.ht-year {
  position: absolute;
  left: -120px;
  width: 80px;
  text-align: right;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  padding-top: 3px;
}

.ht-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--primary);
  flex-shrink: 0;
  margin-top: 5px;
  position: relative;
  left: -7px;
  transition: var(--transition);
}

.ht-item.current .ht-dot {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,229,255,0.35);
}

.ht-content {
  flex: 1;
  padding: 16px 24px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.ht-item:hover .ht-content {
  background: white;
  box-shadow: var(--shadow-sm);
}

.ht-badge {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.ht-item.current .ht-badge {
  color: var(--accent-dark);
}

.ht-content p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.6;
}

/* 组织架构 */
.section-structure {
  padding: 100px 0;
  background: var(--bg-light);
}

.structure-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.struct-top {
  display: flex;
  justify-content: center;
  margin-bottom: 0;
}

.struct-node {
  border-radius: var(--radius-sm);
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

.struct-node.main {
  background: var(--primary);
  color: white;
  font-size: 16px;
  padding: 16px 40px;
  box-shadow: 0 4px 16px rgba(0,102,255,0.3);
}

.struct-line-v {
  width: 2px;
  height: 40px;
  background: var(--primary);
  margin: 0 auto;
}

.struct-branches {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.struct-branch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.struct-branch::before {
  content: '';
  display: block;
  width: 2px;
  height: 24px;
  background: var(--border);
}

.struct-node.green { background: linear-gradient(135deg, #e8f5ee, #d0eed8); color: var(--primary); }
.struct-node.blue { background: linear-gradient(135deg, #e3f0ff, #c8deff); color: #0550ae; }
.struct-node.purple { background: linear-gradient(135deg, #f3e8ff, #e2ceff); color: #7c3aed; }

.sn-icon { font-size: 18px; }

.struct-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.struct-items span {
  text-align: center;
  font-size: 13px;
  color: var(--text-mid);
  padding: 6px 12px;
  background: var(--bg-light);
  border-radius: 20px;
}

.struct-support {
  display: flex;
  justify-content: center;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.struct-node.support {
  flex-direction: column;
  align-items: center;
  background: var(--bg-light);
  color: var(--text-dark);
  gap: 4px;
  min-width: 160px;
  text-align: center;
}

.sdesc {
  font-size: 12px;
  color: var(--text-light);
  font-weight: 400;
}

/* 荣誉资质 */
.section-honors {
  padding: 100px 0;
  background: white;
}

.honors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.honor-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 28px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.honor-item:hover {
  background: white;
  box-shadow: var(--shadow-md);
  border-color: rgba(0,102,255,0.2);
  transform: translateY(-3px);
}

.hi-icon {
  font-size: 36px;
  flex-shrink: 0;
}

.hi-text strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 5px;
}

.hi-text span {
  font-size: 13px;
  color: var(--text-mid);
}

/* 响应式 */
@media (max-width: 1024px) {
  .overview-grid { grid-template-columns: 1fr; gap: 48px; }
  .mission-grid { grid-template-columns: 1fr; }
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
  .struct-branches { grid-template-columns: 1fr; }
  .struct-support { flex-direction: column; align-items: center; }
}

@media (max-width: 768px) {
  .page-hero h1 { font-size: 32px; }
  .history-timeline { padding-left: 60px; }
  .history-timeline::before { left: 30px; }
  .ht-year { left: -60px; width: 50px; font-size: 12px; }
  .honors-grid { grid-template-columns: 1fr; }
  .overview-stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-card { padding: 16px 10px; }
  .stat-card .sc-num { font-size: 22px; }
}