/* 功能页面卡片样式 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 24px 28px;
  border-radius: 12px;
  background: var(--board-color, #fff);
  border: 1px solid var(--line-color, #eaecef);
  text-decoration: none;
  color: var(--text-color, #3c4858);
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--link-hover-color, #30a9de);
  color: var(--text-color, #3c4858);
  text-decoration: none;
}

.feature-card .feature-icon {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--link-hover-color, #30a9de);
  transition: color 0.3s ease;
}

.feature-card:hover .feature-icon {
  color: var(--post-link-color, #0366d6);
}

.feature-card .feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--post-heading-color, #1a202c);
}

.feature-card .feature-desc {
  font-size: 14px;
  color: var(--sec-text-color, #718096);
  text-align: center;
  line-height: 1.6;
}

/* 暗色模式适配 */
[data-user-color-scheme="dark"] .feature-card {
  background: var(--board-color, #252d38);
  border-color: var(--line-color, #435266);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-user-color-scheme="dark"] .feature-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  border-color: var(--link-hover-color, #30a9de);
}

[data-user-color-scheme="dark"] .feature-card .feature-title {
  color: var(--post-heading-color, #c4c6c9);
}