/* Glossary Page Styles - 完全模仿amicited风格 */

/* Page Header */
.page-header {
  padding: 4rem 0 2rem;
  text-align: center;
  background: var(--bg);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}

.page-description {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Search Section */
.glossary-search-section {
  padding: 2rem 0;
  background: var(--bg);
  position: sticky;
  top: 72px;
  z-index: 100;
}

.glossary-search-box {
  max-width: 600px;
  margin: 0 auto 1.5rem;
}

.glossary-search-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--bg);
  color: var(--text);
  transition: var(--transition);
}

.glossary-search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.glossary-search-input::placeholder {
  color: var(--text-muted);
}

/* Alphabet Navigation */
.alphabet-nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0.5rem 0;
}

.alphabet-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.5rem;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

.alphabet-link:hover {
  background: var(--bg-alt);
  color: var(--text);
}

.alphabet-link.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* Glossary Grid Section */
.glossary-grid-section {
  padding: 2rem 0 4rem;
  background: var(--bg);
}

.glossary-section {
  margin-bottom: 3rem;
}

.glossary-section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border);
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.glossary-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}

.glossary-card:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.glossary-card-link {
  display: block;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.glossary-card-term {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
  line-height: 1.4;
  transition: var(--transition);
}

.glossary-card:hover .glossary-card-term {
  color: var(--primary);
}

.glossary-card-desc {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* CTA Section */
.cta-section {
  padding: 4rem 0;
  background: var(--bg-alt);
  text-align: center;
}

.cta-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.cta-description {
  font-size: 1.0625rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.cta-button {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
}

.cta-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
  .page-title {
    font-size: 1.75rem;
  }

  .glossary-search-section {
    top: 64px;
  }

  .alphabet-nav {
    gap: 0.125rem;
  }

  .alphabet-link {
    min-width: 32px;
    height: 32px;
    font-size: 0.8125rem;
  }

  .glossary-grid {
    grid-template-columns: 1fr;
  }

  .glossary-section-title {
    font-size: 1.5rem;
  }
}