/* ============================================
   交流会页样式
   ============================================ */

/* --- Event Intro --- */
.event-intro {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.event-intro p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* --- Goals Grid (图片背景卡片) --- */
.goals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.goal-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 260px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 2px 8px rgba(26, 58, 138, 0.06);
}

.goal-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(26, 58, 138, 0.18);
}

.goal-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.goal-card:hover .goal-card-bg {
  transform: scale(1.08);
}

.goal-card-overlay {
  position: relative;
  z-index: 1;
  padding: 2rem 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, 
    rgba(26, 58, 138, 0.08) 0%, 
    rgba(26, 58, 138, 0.45) 45%, 
    rgba(10, 36, 99, 0.78) 100%);
}

.goal-card:nth-child(2) .goal-card-overlay {
  background: linear-gradient(180deg, 
    rgba(59, 95, 192, 0.08) 0%, 
    rgba(59, 95, 192, 0.45) 45%, 
    rgba(37, 61, 140, 0.78) 100%);
}

.goal-card:nth-child(3) .goal-card-overlay {
  background: linear-gradient(180deg, 
    rgba(33, 150, 243, 0.08) 0%, 
    rgba(33, 150, 243, 0.45) 45%, 
    rgba(0, 105, 165, 0.78) 100%);
}

.goal-card:nth-child(4) .goal-card-overlay {
  background: linear-gradient(180deg, 
    rgba(124, 58, 237, 0.08) 0%, 
    rgba(124, 58, 237, 0.45) 45%, 
    rgba(72, 20, 157, 0.78) 100%);
}

.goal-num {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.15);
  line-height: 1;
  letter-spacing: -0.02em;
  transition: all 0.4s ease;
}

.goal-card:hover .goal-num {
  color: rgba(255, 255, 255, 0.28);
  transform: scale(1.1);
}

.goal-card-overlay h3 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.15);
}

.goal-card-overlay p {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.65;
}

.goal-location {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.5rem;
}

/* --- Event Cards (保留原有样式，供其他板块使用) --- */
.event-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.event-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: all var(--duration-normal) var(--ease-out);
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.event-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.event-card-time {
  width: 70px;
  height: 70px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  color: var(--text-white);
}

.event-card-time .month {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.event-card-time .day {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.event-card-body h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.event-card-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.event-card-body .event-location {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* --- Guest Section --- */
.guest-section-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--deep-blue);
  text-align: center;
  margin-bottom: 2.5rem;
}

.guest-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.guest-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.guest-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.guest-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(79, 70, 229, 0.1);
  border: 1.5px solid rgba(79, 70, 229, 0.25);
  color: var(--electric-indigo);
  transition: all var(--duration-normal) var(--ease-out);
}

.guest-card:nth-child(2) .guest-avatar {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.25);
  color: var(--neon-cyan);
}

.guest-card:nth-child(3) .guest-avatar {
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.25);
  color: var(--deep-purple);
}

.guest-card:nth-child(4) .guest-avatar {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.25);
  color: var(--energy-orange);
}

.guest-card:hover .guest-avatar {
  transform: scale(1.05);
}

.guest-card h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.guest-card .guest-role {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.guest-card .guest-topic {
  font-size: 0.8rem;
  color: var(--deep-blue);
  line-height: 1.5;
}

/* --- Schedule Timeline --- */
.schedule-timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 2.5rem;
}

.schedule-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--deep-blue), var(--neon-cyan), transparent);
}

.schedule-item {
  position: relative;
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal);
}

.schedule-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-medium);
}

.schedule-item::before {
  content: '';
  position: absolute;
  left: calc(-2.5rem + 3px);
  top: 1.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--deep-blue);
  box-shadow: 0 0 12px rgba(26, 58, 138, 0.25);
}

.schedule-time {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--deep-blue);
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.schedule-item h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.schedule-item p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .goals-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .goal-card {
    min-height: 220px;
  }
  .guest-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .goals-grid {
    grid-template-columns: 1fr;
  }
  .goal-card {
    min-height: 200px;
  }
  .goal-card-overlay {
    padding: 1.5rem 1.25rem;
  }
  .goal-card-overlay h3 {
    font-size: 1.1rem;
  }
  .goal-num {
    font-size: 2.5rem;
  }
  .event-card-grid {
    grid-template-columns: 1fr;
  }
  .guest-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .guest-grid {
    grid-template-columns: 1fr;
  }
}