/* ============================================
   子页面统一视觉规范
   ============================================ */

.page-hero {
  --hero-image: none;
  position: relative;
  padding: var(--spacing-5xl) 0 var(--spacing-4xl);
  background: linear-gradient(135deg, rgba(12, 47, 128, 0.92), rgba(25, 189, 178, 0.85));
  color: var(--text-white);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: -30% -20% auto auto;
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, rgba(86, 138, 255, 0.18), transparent 70%);
  opacity: 0.6;
  filter: blur(24px);
}

.page-hero.has-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  opacity: 0.28;
  mix-blend-mode: lighten;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero-content {
  display: grid;
  gap: var(--spacing-2xl);
  max-width: 860px;
}

.page-hero h1 {
  color: var(--text-white);
  margin-bottom: 0;
  line-height: 1.2;
}

.page-hero-subtitle {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}

.page-hero-lead {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
  line-height: 1.8;
}

.page-hero-actions {
  display: inline-flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.page-hero-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--text-white);
  background-color: rgba(255, 255, 255, 0.1);
}

.page-hero-actions .btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.18);
}

.page-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.page-hero-stat {
  display: grid;
  gap: var(--spacing-xs);
}

.page-hero-stat .stat-value {
  font-size: 34px;
  color: var(--text-white);
}

.page-hero-stat span {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.12);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.75);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.88);
}

.breadcrumb span {
  opacity: 0.6;
}

/* 内容分区 */
.page-section {
  padding: var(--spacing-5xl) 0;
}

.page-section.is-muted {
  background-color: var(--bg-light);
}

.page-section .section-heading {
  margin-bottom: var(--spacing-3xl);
}

.content-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-3xl);
  align-items: start;
}

.content-columns.align-center {
  align-items: center;
}

.info-card {
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xxs);
  display: grid;
  gap: var(--spacing-lg);
}

.info-card h4 {
  margin: 0;
}

.info-card .list-check {
  gap: var(--spacing-sm);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-2xl);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

.solution-card {
  display: grid;
  gap: var(--spacing-xl);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  background-color: var(--bg-white);
  box-shadow: var(--shadow-xxs);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border var(--transition-base);
}

.solution-card:hover {
  transform: translateY(-6px);
  border-color: rgba(47, 108, 234, 0.25);
  box-shadow: var(--shadow-sm);
}

.solution-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.solution-meta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--secondary-600);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

.case-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
}

.case-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.78);
  border-radius: 0;
}

.case-card-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--spacing-3xl) var(--spacing-2xl);
  background: linear-gradient(180deg, rgba(0, 14, 36, 0) 0%, rgba(0, 18, 47, 0.85) 100%);
  color: var(--text-white);
  display: grid;
  gap: var(--spacing-md);
}

.case-card-content h4 {
  color: var(--text-white);
  margin: 0;
}

.case-highlights {
  display: inline-flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.case-highlights span {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.18);
  font-size: var(--font-size-sm);
  letter-spacing: 0.04em;
}

.value-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  background-color: var(--bg-white);
  padding: var(--spacing-2xl);
  display: grid;
  gap: var(--spacing-md);
  position: relative;
}

.value-card::before {
  content: '';
  position: absolute;
  inset: auto 16px -12px 16px;
  height: 4px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.value-card:hover::before {
  opacity: 1;
}

.metric-row {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}

.metric-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-600);
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--text-lighter);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.highlight-card {
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(12, 47, 128, 0.85), rgba(25, 189, 178, 0.85));
  color: var(--text-white);
  padding: var(--spacing-3xl);
  display: grid;
  gap: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.highlight-card::after {
  content: '';
  position: absolute;
  inset: auto -20% -40% auto;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.18), transparent 65%);
}

.highlight-card h4 {
  margin: 0;
  color: var(--text-white);
}

.highlight-card p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.feature-list {
  display: grid;
  gap: var(--spacing-lg);
}

.feature-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(12, 47, 128, 0.1), rgba(12, 47, 128, 0.05));
  display: grid;
  place-items: center;
  font-size: var(--font-size-xl);
  color: var(--primary-700);
}

.feature-content h4 {
  margin-bottom: var(--spacing-xs);
}

.tab-wrapper {
  background-color: var(--bg-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-xxs);
}

.tab-list {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
}

.tab-pill {
  padding: var(--spacing-xs) var(--spacing-lg);
  border-radius: var(--radius-full);
  border: 1px solid rgba(12, 47, 128, 0.16);
  background-color: rgba(12, 47, 128, 0.06);
  color: var(--primary-600);
  font-size: var(--font-size-sm);
  letter-spacing: 0.06em;
}

.tab-content {
  display: grid;
  gap: var(--spacing-lg);
}

.download-card {
  display: grid;
  gap: var(--spacing-md);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  background-color: var(--bg-white);
  box-shadow: var(--shadow-xxs);
  position: relative;
}

.download-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--text-lighter);
}

.download-meta span {
  display: inline-flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.badge-outline {
  display: inline-flex;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  border: 1px solid rgba(47, 108, 234, 0.2);
  color: var(--primary-600);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.news-list {
  display: grid;
  gap: var(--spacing-2xl);
}

.news-item {
  display: grid;
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--border-light);
}

.news-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.news-item-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.news-date {
  font-family: var(--font-family-display);
  font-size: var(--font-size-lg);
  color: var(--primary-600);
}

.news-tag {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  background-color: rgba(25, 189, 178, 0.12);
  color: var(--secondary-600);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-banner {
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  background: linear-gradient(135deg, rgba(12, 47, 128, 0.08), rgba(12, 47, 128, 0.02));
  border: 1px solid rgba(12, 47, 128, 0.12);
  display: grid;
  gap: var(--spacing-xl);
}

.contact-banner h3 {
  margin: 0;
}

.contact-banner .section-actions {
  justify-content: flex-start;
}

/* 表格辅助 */
.table-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.table-caption h4 {
  margin: 0;
}

/* 响应式 */
@media (max-width: 1024px) {
  .page-section {
    padding: var(--spacing-4xl) 0;
  }

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

@media (max-width: 768px) {
  .page-hero {
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  }

  .page-hero-content {
    gap: var(--spacing-xl);
  }

  .page-hero-actions {
    width: 100%;
  }

  .page-hero-actions .btn {
    flex: 1;
  }

  .page-hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 540px) {
  .page-hero-stats {
    grid-template-columns: 1fr;
  }

  .page-hero-actions {
    gap: var(--spacing-sm);
  }

  .page-hero-actions .btn {
    width: 100%;
  }

  .breadcrumb {
    display: inline-flex;
  }
}