/* about.css - 大留白风格，深棕主题 */

.about-hero {
  background: #ffffff;
  padding: 120px 0 100px;
  text-align: center;
}
.about-hero-eyebrow {
  font-size: 13px;
  letter-spacing: 4px;
  color: #9a3412;
  text-transform: uppercase;
  margin-bottom: 24px;
  font-weight: 600;
}
.about-hero-title {
  font-size: 44px;
  line-height: 1.25;
  color: #7c2d12;
  font-weight: 800;
  margin: 0 auto 24px;
  max-width: 820px;
}
.about-hero-desc {
  font-size: 16px;
  color: #57534e;
  max-width: 640px;
  margin: 0 auto 64px;
  line-height: 1.9;
}

.about-stats {
  display: flex;
  justify-content: center;
  gap: 80px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid #f1ece6;
  max-width: 880px;
  margin: 0 auto;
}
.about-stat-num {
  font-size: 48px;
  font-weight: 800;
  color: #7c2d12;
  line-height: 1;
  letter-spacing: -1px;
}
.about-stat-label {
  margin-top: 12px;
  font-size: 14px;
  color: #78716c;
}

/* Section */
.about-section {
  padding: 100px 0;
  background: #faf7f2;
}
.about-section-timeline {
  background: #ffffff;
}
.about-section-head {
  text-align: center;
  margin-bottom: 56px;
}
.about-section-head h2 {
  font-size: 30px;
  color: #7c2d12;
  font-weight: 800;
  margin-bottom: 12px;
}
.about-section-head p {
  color: #78716c;
  font-size: 15px;
}

/* Team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 36px 24px 28px;
  text-align: center;
  border: 1px solid #f0e9df;
  transition: transform .25s, box-shadow .25s;
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(124, 45, 18, 0.08);
}
.team-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  margin: 0 auto 18px;
}
.team-avatar-1 { background: linear-gradient(135deg, #9a3412, #c2410c); }
.team-avatar-2 { background: linear-gradient(135deg, #7c2d12, #b45309); }
.team-avatar-3 { background: linear-gradient(135deg, #b45309, #dc2626); }
.team-avatar-4 { background: linear-gradient(135deg, #44403c, #7c2d12); }
.team-card h3 {
  font-size: 17px;
  color: #1c1917;
  margin-bottom: 4px;
  font-weight: 700;
}
.team-role {
  font-size: 12px;
  color: #9a3412;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.team-card p {
  font-size: 13.5px;
  color: #57534e;
  line-height: 1.75;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, #9a3412, #f0e9df);
}
.timeline-item {
  position: relative;
  padding-bottom: 44px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -39px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #9a3412;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px #9a3412;
}
.timeline-year {
  font-size: 14px;
  color: #9a3412;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.timeline-body h3 {
  font-size: 19px;
  color: #1c1917;
  margin-bottom: 6px;
  font-weight: 700;
}
.timeline-body p {
  color: #57534e;
  font-size: 14.5px;
  line-height: 1.8;
}

/* Entity */
.about-entity {
  padding: 80px 0 100px;
  background: #faf7f2;
}
.entity-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 40px;
  border: 1px solid #f0e9df;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(124, 45, 18, 0.05);
}
.entity-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px dashed #ece5db;
  font-size: 14.5px;
}
.entity-row:last-of-type { border-bottom: none; }
.entity-label { color: #78716c; }
.entity-value { color: #1c1917; font-weight: 600; }
.entity-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
}
.entity-btn {
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 14px;
  border: 1px solid #9a3412;
  color: #9a3412;
  transition: all .2s;
}
.entity-btn:hover { background: #fdf3ec; }
.entity-btn-primary {
  background: #9a3412;
  color: #ffffff;
}
.entity-btn-primary:hover { background: #7c2d12; }

/* Responsive */
@media (max-width: 900px) {
  .about-hero { padding: 80px 0 60px; }
  .about-hero-title { font-size: 30px; }
  .about-stats { gap: 32px; }
  .about-stat-num { font-size: 36px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .about-section { padding: 64px 0; }
  .team-grid { grid-template-columns: 1fr; }
  .entity-card { padding: 24px; }
}