/* 首页创投学院入口（轻量，勿引入完整 academy-page.css） */

.academy-teaser-section {
  position: relative;
  padding: var(--space-20) 0;
  overflow: hidden;
  background: var(--bg-sidebar);
  border-top: 1px solid var(--border-subtle);
}

.academy-teaser-section .academy-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.academy-teaser-section .academy-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.academy-teaser-section .academy-orb-1 {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(217, 119, 87, 0.5), transparent 70%);
  top: -100px;
  left: -60px;
}

.academy-teaser-section .academy-orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(107, 155, 209, 0.4), transparent 70%);
  bottom: -80px;
  right: 8%;
}

.academy-teaser-section .academy-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(217, 119, 87, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 119, 87, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black, transparent);
}

.academy-teaser-inner {
  position: relative;
  z-index: 1;
}

.academy-teaser-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin: var(--space-10) 0 var(--space-8);
}

@media (max-width: 900px) {
  .academy-teaser-cards {
    grid-template-columns: 1fr;
  }
}

.academy-teaser-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-panel);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s, transform 0.25s;
}

.academy-teaser-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.academy-teaser-cat {
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.academy-teaser-cat.cat-industry { color: var(--role-investor); }
.academy-teaser-cat.cat-financing { color: var(--accent); }
.academy-teaser-cat.cat-legal { color: var(--warning); }
.academy-teaser-cat.cat-product { color: var(--role-founder); }
.academy-teaser-cat.cat-case { color: var(--success); }

.academy-teaser-title {
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: var(--space-2);
}

.academy-teaser-summary {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.academy-teaser-cta {
  text-align: center;
}

.academy-enter-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-accent);
  background: transparent;
  color: var(--accent);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.academy-enter-btn:hover {
  background: var(--accent-subtle);
  color: var(--accent-hover);
}

.academy-enter-arrow {
  transition: transform 0.2s;
}

.academy-enter-btn:hover .academy-enter-arrow {
  transform: translateX(4px);
}