/* ===== page-case-detail.css — 案例详情页（补充 case-detail.css 的内联部分） ===== */

/* ===== Error ===== */
.error-section { min-height: 60vh; display: flex; align-items: center; justify-content: center; padding-top: var(--header-height); }
.error-title { font-size: 6rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: var(--space-md); }
.error-desc { font-size: var(--text-lg); color: var(--text-secondary); margin-bottom: var(--space-2xl); }

/* ===== Banner ===== */
.case-detail-banner {
  position: relative;
  min-height: 45vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-primary);
  padding-top: var(--header-height);
}
.case-detail-banner__bg { position: absolute; inset: 0; z-index: 0; }
.case-detail-banner__content {
  position: relative; z-index: 2; text-align: center; padding: 0 var(--space-lg); max-width: 700px;
}
.case-detail-banner__back {
  display: inline-block; font-size: var(--text-sm);
  color: var(--color-primary-light); text-decoration: none;
  margin-bottom: var(--space-xl);
}
.case-detail-banner__back:hover { color: var(--color-secondary); }
.case-detail-banner__category {
  display: inline-block; padding: 6px 16px;
  background: rgba(108,92,231,0.1);
  border: 1px solid rgba(108,92,231,0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm); color: var(--color-primary-light);
  margin-bottom: var(--space-lg);
}
.case-detail-banner__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800; line-height: 1.15;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}
.case-detail-banner__summary {
  font-size: var(--text-lg); color: var(--text-secondary); line-height: 1.7;
}

/* ===== Detail Grid ===== */
.case-detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-3xl); align-items: start; }
.case-detail-cover {
  width: 100%; aspect-ratio: 16/9;
  border-radius: var(--radius-xl);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-2xl);
}
.case-detail-cover__icon { font-size: 5rem; opacity: 0.6; }
.case-detail-text {
  font-size: var(--text-base); color: var(--text-secondary); line-height: 1.9;
  margin-bottom: var(--space-2xl);
}
.case-detail-features h3 {
  font-size: var(--text-xl); font-weight: 700; color: var(--text-primary);
  margin-bottom: var(--space-xl);
}
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.feature-item {
  display: flex; align-items: flex-start; gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}
.feature-item:hover { border-color: var(--border-color-hover); box-shadow: var(--shadow-sm); }
.feature-item__icon { color: var(--color-primary-light); flex-shrink: 0; margin-top: 2px; }
.feature-item__text { font-size: var(--text-sm); color: var(--text-primary); }

/* ===== Sidebar ===== */
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-xl);
  position: relative; overflow: hidden;
}
.sidebar-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: var(--gradient-card-border); opacity: 0; transition: opacity var(--transition-base);
}
.sidebar-card > * { position: relative; z-index: 1; }
.sidebar-card--cta { text-align: center; }
.sidebar-card--quote { background: rgba(108,92,231,0.05); }
.sidebar-card__title { font-size: var(--text-lg); font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-lg); }
.sidebar-card__desc { font-size: var(--text-sm); color: var(--text-secondary); margin-bottom: var(--space-lg); }
.quote-icon { font-size: 24px; margin-bottom: var(--space-md); }
.quote-text { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.7; font-style: italic; }
.stats-list { display: flex; flex-direction: column; gap: var(--space-md); }
.stat-row { display: flex; justify-content: space-between; padding: var(--space-sm) 0; border-bottom: 1px solid var(--border-color); }
.stat-row:last-child { border-bottom: none; }
.stat-row__label { font-size: var(--text-sm); color: var(--text-secondary); }
.stat-row__value { font-size: var(--text-sm); color: var(--text-primary); font-weight: 600; }
.tech-tags { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.tech-tag {
  padding: 8px 16px;
  background: rgba(0,210,255,0.08);
  border: 1px solid rgba(0,210,255,0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-xs); color: var(--color-secondary);
  font-weight: 500; letter-spacing: 0.01em;
  transition: all var(--transition-fast);
}
.tech-tag:hover { background: rgba(0,210,255,0.15); border-color: rgba(0,210,255,0.3); }

/* ===== Case Grid ===== */
.case-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: var(--space-xl); margin-top: var(--space-3xl); }
.case-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); overflow: hidden; transition: all var(--transition-base); display: block; text-decoration: none; color: inherit; }
.case-card:hover { transform: translateY(-8px); border-color: var(--border-color-hover); box-shadow: var(--shadow-xl); }
.case-card__image { width: 100%; aspect-ratio: 16/10; display: flex; align-items: center; justify-content: center; transition: all var(--transition-base); }
.case-card:hover .case-card__image { transform: scale(1.02); }
.case-card__image-icon { font-size: 3.5rem; opacity: 0.6; transition: opacity var(--transition-base); }
.case-card:hover .case-card__image-icon { opacity: 0.9; }
.case-card__body { padding: var(--space-xl); }
.case-card__category { display: inline-block; padding: 5px 14px; background: rgba(108,92,231,0.08); border: 1px solid rgba(108,92,231,0.15); border-radius: var(--radius-full); font-size: var(--text-xs); color: var(--color-primary-light); margin-bottom: var(--space-sm); letter-spacing: 0.02em; }
.case-card__title { font-size: var(--text-lg); font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-xs); }
.case-card__summary { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.7; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .case-detail-banner { min-height: 30vh; padding-top: calc(var(--header-height) + 20px); }
  .case-detail-banner__title { font-size: clamp(1.4rem, 6vw, 2rem); }
  .case-detail-banner__summary { font-size: var(--text-base); }
  .case-detail-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .case-detail-cover__icon { font-size: 3.5rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-item { padding: var(--space-md); }
  .sidebar-card { padding: var(--space-xl); }
  .sidebar-card__title { font-size: var(--text-base); }
  .tech-tag { padding: 6px 12px; font-size: 11px; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card__body { padding: var(--space-lg); }
}