/**
 * case-detail.css — 中创合科技案例详情页共享样式
 * 所有 cases/case-*.html 共用
 */

/* ===== Case Detail 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; }

/* Legacy class aliases */
.case-banner { position: relative; padding: 160px 0 80px; text-align: center; background: var(--bg-primary); overflow: hidden; }
.case-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(108,92,231,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(0,210,255,0.06) 0%, transparent 50%);
}
.case-banner__content { position: relative; z-index: 1; }
.case-banner__icon { font-size: 4rem; margin-bottom: var(--space-lg); display: block; }
.case-banner__title {
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.2;
  margin-bottom: var(--space-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.case-banner__tags { display: flex; gap: var(--space-sm); justify-content: center; margin-bottom: var(--space-md); flex-wrap: wrap; }
.case-banner__tag { padding: 6px 16px; border-radius: var(--radius-full); font-size: var(--text-sm); font-weight: 500; }
.case-banner__tag--industry { background: rgba(108,92,231,0.1); border: 1px solid rgba(108,92,231,0.2); color: var(--color-primary-light); }
.case-banner__tag--service { background: rgba(0,210,255,0.1); border: 1px solid rgba(0,210,255,0.2); color: var(--color-secondary); }
.case-banner__summary { font-size: var(--text-lg); color: var(--text-secondary); max-width: 640px; margin: 0 auto; line-height: 1.7; }

/* ===== Case Detail Sections ===== */
.case-section { padding: var(--space-4xl) 0; }
.case-section + .case-section { border-top: 1px solid var(--border-color); }
.case-section__title {
  font-size: var(--text-3xl); font-weight: 800; margin-bottom: var(--space-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.case-section__desc { font-size: var(--text-lg); color: var(--text-secondary); line-height: 1.8; max-width: 800px; }

/* Feature Grid */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--space-xl); margin-top: var(--space-2xl); }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: var(--space-xl);
  transition: all var(--transition-base); position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: var(--gradient-card-border); opacity: 0;
  transition: opacity var(--transition-base); z-index: 0; pointer-events: none;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--border-color-hover); box-shadow: var(--shadow-lg); }
.feature-card:hover::before { opacity: 1; }
.feature-card > * { position: relative; z-index: 1; }
.feature-card__icon { font-size: 2rem; margin-bottom: var(--space-md); display: block; }
.feature-card__title { font-size: var(--text-xl); font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-sm); }
.feature-card__desc { font-size: var(--text-sm); color: var(--text-secondary); line-height: 1.6; }

/* Tech Stack */
.tech-stack { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-2xl); }
.tech-badge {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  padding: 10px 20px; background: var(--bg-card);
  border: 1px solid var(--border-color); border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: 500; color: var(--text-primary);
  transition: all var(--transition-fast);
}
.tech-badge:hover { border-color: var(--color-primary); color: var(--color-primary-light); box-shadow: var(--shadow-sm); }
.tech-badge__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gradient-primary); }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--space-xl); margin-top: var(--space-2xl); }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: var(--space-2xl) var(--space-xl);
  text-align: center; position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--gradient-card-border); opacity: 0.3;
}
.stat-card > * { position: relative; z-index: 1; }
.stat-card__number {
  font-size: var(--text-4xl); font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1; margin-bottom: var(--space-sm);
}
.stat-card__label { font-size: var(--text-sm); color: var(--text-secondary); }

/* Quote */
.quote-block {
  position: relative; background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: var(--space-2xl) var(--space-3xl);
  margin-top: var(--space-2xl);
}
.quote-block::before {
  content: '"'; position: absolute; top: 16px; left: 24px;
  font-size: 4rem; color: var(--color-primary); opacity: 0.3;
  font-family: Georgia, serif; line-height: 1;
}
.quote-block__text { font-size: var(--text-lg); color: var(--text-secondary); line-height: 1.8; font-style: italic; padding-left: var(--space-xl); }
.quote-block__author { margin-top: var(--space-md); padding-left: var(--space-xl); font-size: var(--text-sm); color: var(--text-muted); }
.quote-block__author strong { color: var(--color-primary-light); font-weight: 600; }

/* Related Cases */
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--space-xl); margin-top: var(--space-2xl); }
.related-card {
  display: flex; align-items: center; gap: var(--space-lg);
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: var(--space-lg);
  transition: all var(--transition-base); text-decoration: none; color: inherit;
}
.related-card:hover { transform: translateY(-4px); border-color: var(--border-color-hover); box-shadow: var(--shadow-lg); }
.related-card__icon {
  font-size: 2.5rem; width: 64px; height: 64px;
  border-radius: var(--radius-md); display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
}
.related-card__title { font-size: var(--text-base); font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-xs); }
.related-card__desc { font-size: var(--text-xs); color: var(--text-secondary); line-height: 1.5; }
.related-card:hover .related-card__title { color: var(--color-primary-light); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
}

@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .quote-block { padding: var(--space-xl); }
  .quote-block::before { font-size: 3rem; }
}