/* ===== 子页面通用结构 ===== */
.page-banner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--spacing-3xl) + 40px) var(--container-padding);
  background: linear-gradient(120deg, rgba(15, 61, 35, 0.92), rgba(46, 139, 87, 0.92));
  color: white;
  overflow: hidden;
  text-align: center;
  min-height: 320px;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  opacity: 0.85;
}

.page-banner::after {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  right: -120px;
  top: -160px;
  filter: blur(0);
}

.page-banner.with-image {
  background-size: cover;
  background-position: center;
}

.page-banner.with-image::before {
  background: linear-gradient(120deg, rgba(10, 35, 22, 0.86), rgba(30, 104, 62, 0.86));
}

.page-banner-inner {
  position: relative;
  z-index: 2;
  max-width: 960px;
  width: 100%;
  display: grid;
  gap: var(--spacing-lg);
}

.page-banner-subtitle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.page-banner h1 {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.2;
  color: white;
  margin: 0;
}

.page-banner-lead {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.92);
  margin: 0 auto;
  max-width: 760px;
}

.page-breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  align-items: center;
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
}

.page-breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
}

.page-breadcrumb span.separator {
  opacity: 0.65;
}

/* ===== 页面主体 ===== */
.page-body {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--container-padding);
  display: grid;
  gap: var(--spacing-3xl);
}

.page-section {
  display: grid;
  gap: var(--spacing-xl);
}

.page-section--light {
  background-color: var(--light-color);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.page-section--outlined {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  background-color: white;
}

.page-section--narrow {
  gap: var(--spacing-lg);
}

.section-header {
  display: grid;
  gap: var(--spacing-sm);
}

.section-header__label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: var(--font-weight-semibold);
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 36px);
  margin: 0;
  color: var(--text-primary);
}

.section-header p {
  margin: 0;
  color: var(--text-secondary);
  max-width: 760px;
}

.section-description {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0;
}

.content-lead {
  font-size: 20px;
  line-height: 1.9;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  background: linear-gradient(120deg, rgba(46, 139, 87, 0.08), rgba(46, 139, 87, 0.02));
  border-left: 4px solid var(--primary-color);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
}

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

.split-layout--center {
  align-items: center;
}

.split-layout--reverse {
  direction: rtl;
}

.split-layout--reverse > * {
  direction: ltr;
}

.split-media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-media__caption {
  position: absolute;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.55);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

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

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

.content-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.content-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.content-grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.content-card {
  background-color: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid rgba(46, 139, 87, 0.08);
}

.content-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.content-card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

.content-card p {
  margin: 0;
  color: var(--text-secondary);
}

.icon-card {
  display: grid;
  gap: var(--spacing-md);
}

.icon-card__icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(46, 139, 87, 0.15), rgba(46, 139, 87, 0.35));
  font-size: 28px;
  color: var(--primary-color);
}

.icon-card h3 {
  margin: 0;
  font-size: var(--font-size-xl);
}

.icon-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-sm);
}

.icon-card ul li {
  position: relative;
  padding-left: 18px;
  color: var(--text-secondary);
}

.icon-card ul li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--primary-color);
}

/* ===== 指标与亮点 ===== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.metric-item {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--primary-color);
}

.metric-item h3 {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.metric-item p {
  margin: 0;
  color: var(--text-secondary);
}

.timeline {
  position: relative;
  display: grid;
  gap: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(46, 139, 87, 0.2), rgba(46, 139, 87, 0.6));
}

.timeline-item {
  position: relative;
  padding-left: 56px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--primary-color);
  box-shadow: 0 0 0 6px rgba(46, 139, 87, 0.2);
}

.timeline-item h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.timeline-item p {
  margin: 0;
  color: var(--text-secondary);
}

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

.highlight-item {
  display: grid;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background-color: var(--light-color);
  border-radius: var(--radius-lg);
  border-left: 4px solid rgba(46, 139, 87, 0.5);
}

.highlight-item h4 {
  margin: 0;
  color: var(--primary-color);
}

.highlight-item p {
  margin: 0;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--spacing-sm);
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text-secondary);
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary-color);
  font-weight: var(--font-weight-bold);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  background: rgba(46, 139, 87, 0.12);
  color: var(--primary-color);
  font-size: var(--font-size-sm);
}

/* ===== CTA 区块 ===== */
.cta-panel {
  display: grid;
  gap: var(--spacing-lg);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(46, 139, 87, 1), rgba(15, 61, 35, 0.95));
  color: white;
  box-shadow: var(--shadow-lg);
}

.cta-panel h3 {
  margin: 0;
  color: white;
  font-size: clamp(24px, 3vw, 32px);
}

.cta-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.contact-summary {
  display: grid;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  background: white;
  box-shadow: var(--shadow-md);
}

.contact-summary__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-summary__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(46, 139, 87, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary-color);
}

.contact-summary__content h4 {
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--text-primary);
}

.contact-summary__content p {
  margin: 0;
  color: var(--text-secondary);
}

/* ===== 响应式调整 ===== */
@media (max-width: 1200px) {
  .page-body {
    padding: var(--spacing-3xl) var(--spacing-2xl);
  }
}

@media (max-width: 1024px) {
  .split-layout,
  .content-grid--2,
  .content-grid--3,
  .content-grid--4 {
    grid-template-columns: 1fr;
  }

  .page-banner {
    padding: var(--spacing-3xl) var(--container-padding);
    text-align: center;
  }

  .page-banner::after {
    display: none;
  }

  .page-banner-inner {
    justify-items: center;
  }

  .page-breadcrumb {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .page-body {
    padding: var(--spacing-2xl) var(--container-padding);
    gap: var(--spacing-2xl);
  }

  .content-lead {
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .page-section--light,
  .page-section--outlined {
    padding: var(--spacing-xl);
  }

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

@media (max-width: 600px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    padding: var(--spacing-xl);
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
}