/* ========================================
   关于我们 - 首页内嵌模块样式
   ======================================== */

/* ---------- About Intro (首页内嵌) ---------- */
#about .about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 32px;
}
#about .about-intro-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 16px;
}
.about-intro-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-glow-box {
  width: 100%;
  aspect-ratio: 1 / 0.8;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.about-glow-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(79,70,229,0.12) 0%, transparent 60%);
}
.about-glow-box .glow-icon {
  font-size: 5rem;
  position: relative;
  z-index: 1;
}
.about-glow-box .glow-ring {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid rgba(79,70,229,0.2);
  animation: ringPulse 4s ease-in-out infinite;
}
.about-glow-box .glow-ring:nth-child(2) {
  width: 280px;
  height: 280px;
  animation-delay: 1s;
}
.about-glow-box .glow-ring:nth-child(3) {
  width: 360px;
  height: 360px;
  animation-delay: 2s;
}
@keyframes ringPulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}

/* ---------- Mission / Vision / Values Cards ---------- */
#about .mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.mvv-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.mvv-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  opacity: 0;
  transition: var(--transition);
}
.mvv-card.mission::after { background: var(--gradient-1); }
.mvv-card.vision::after { background: linear-gradient(135deg, #06B6D4 0%, #10B981 100%); }
.mvv-card.values::after { background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%); }
.mvv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79,70,229,0.3);
}
.mvv-card:hover::after { opacity: 1; }
.mvv-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
}
.mvv-icon.mission-icon { background: rgba(79,70,229,0.15); color: var(--primary-light); }
.mvv-icon.vision-icon { background: rgba(6,182,212,0.15); color: var(--secondary); }
.mvv-icon.values-icon { background: rgba(245,158,11,0.15); color: var(--accent); }
.mvv-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.mvv-card .mvv-en {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.mvv-card p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.8;
}
.mvv-card .mvv-tags {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}
.mvv-card .mvv-tags span {
  font-size: 0.8rem;
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(79,70,229,0.08);
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.06);
}

/* ---------- Inline Timeline (首页内嵌) ---------- */
.timeline-inline {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.timeline-item-inline {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.timeline-item-inline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}
.timeline-item-inline:hover {
  border-color: rgba(79,70,229,0.3);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.timeline-item-inline:hover::before { opacity: 1; }
.tl-year {
  font-size: 1.8rem;
  font-weight: 900;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}
.tl-content {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}
.tl-content strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}

/* ---------- Core Team ---------- */
#about .core-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.core-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
}
.core-card:hover {
  border-color: rgba(79,70,229,0.3);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.core-card .core-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}
.core-card .core-icon.purple { background: rgba(79,70,229,0.15); color: var(--primary-light); }
.core-card .core-icon.teal  { background: rgba(6,182,212,0.15); color: var(--secondary); }
.core-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.core-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  #about .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-glow-box { aspect-ratio: 1 / 0.5; }
  #about .mvv-grid { grid-template-columns: repeat(2, 1fr); }
  #about .mvv-grid .mvv-card:last-child { grid-column: span 2; max-width: 400px; justify-self: center; }
  .timeline-inline { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  #about .mvv-grid { grid-template-columns: 1fr; }
  #about .mvv-grid .mvv-card:last-child { grid-column: span 1; max-width: 100%; }
  .timeline-inline { grid-template-columns: 1fr; }
  #about .core-grid { grid-template-columns: 1fr; }
}