/* ========================================
   案例页专属样式
   ======================================== */

/* 页面 Hero */
.page-hero {
  position: relative;
  padding: 140px 5% 80px;
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: center;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
}

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.page-hero-content .section-desc {
  margin-top: 16px;
}

/* 案例筛选栏 */
.cases-filter-bar {
  background: var(--dark2);
  border-bottom: 1px solid var(--border);
  padding: 0 5%;
}

.cases-filter-inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 12px 0;
}

.cases-filter-inner::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: var(--transition);
  border: 1px solid transparent;
}

.filter-btn:hover {
  color: var(--text-primary);
  background: rgba(0,132,255,0.08);
}

.filter-btn.active {
  color: var(--accent);
  background: rgba(0,132,255,0.12);
  border-color: rgba(0,132,255,0.25);
}

/* 精选案例 */
.featured-cases {
  background: var(--dark);
}

.featured-case-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 56px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  transition: var(--transition);
}

.featured-case-card:hover {
  border-color: rgba(0,132,255,0.35);
  box-shadow: var(--glow);
}

.featured-case-card.reverse {
  direction: rtl;
  margin-top: 32px;
}

.featured-case-card.reverse > * {
  direction: ltr;
}

.featured-case-img {
  position: relative;
  height: 100%;
  min-height: 360px;
}

.featured-case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
}

.featured-case-overlay {
  position: absolute;
  top: 20px;
  left: 20px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.featured-case-content {
  padding: 48px 48px 48px 0;
}

.featured-case-card.reverse .featured-case-content {
  padding: 48px 0 48px 48px;
}

.case-industry {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.featured-case-content h3 {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}

.featured-case-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.featured-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
  padding: 20px;
  background: var(--dark2);
  border-radius: var(--radius);
}

.metric-item {
  text-align: center;
}

.metric-num {
  display: block;
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.case-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* 全部案例瀑布流 */
.all-cases {
  background: var(--dark2);
}

.cases-masonry-full {
  margin-top: 48px;
}

.case-card-full {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.case-card-full:hover {
  border-color: rgba(0,132,255,0.4);
  box-shadow: var(--glow);
  transform: translateY(-4px);
}

.case-full-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.case-full-img.tall {
  height: 300px;
}

.case-full-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card-full:hover .case-full-img img {
  transform: scale(1.05);
}

.case-cat-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 14px;
  background: rgba(0,132,255,0.85);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
}

.case-full-body {
  padding: 24px;
}

.case-industry-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.case-full-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}

.case-full-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.case-full-metrics {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.case-full-metrics div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.case-full-metrics strong {
  font-size: 1.1rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.case-full-metrics span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 行业覆盖 */
.industry-section {
  background: var(--dark);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: default;
}

.industry-item:hover {
  border-color: rgba(0,132,255,0.35);
  background: rgba(0,132,255,0.06);
  transform: translateY(-3px);
}

.industry-item i {
  font-size: 1.6rem;
  color: var(--accent);
}

.industry-item span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* CTA 简洁版 */
.cta-section-simple {
  background: var(--dark2);
}

.cta-simple-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-simple-inner .section-title {
  margin-bottom: 16px;
}

.cta-simple-inner .section-desc {
  margin: 0 auto 32px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .featured-case-card {
    grid-template-columns: 1fr;
  }
  .featured-case-card.reverse {
    direction: ltr;
  }
  .featured-case-content,
  .featured-case-card.reverse .featured-case-content {
    padding: 32px;
  }
  .featured-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .industry-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .industry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 480px) {
  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}