/* ============================================
   子页面共用模块 - 数据化内容结构
   ============================================ */

/* ========== 页面头部 ========== */
.page-header {
  position: relative;
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, rgba(5, 13, 31, 0.95), rgba(21, 50, 90, 0.95));
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(30, 136, 229, 0.3), transparent 60%);
  opacity: 0.6;
}

.page-header .container {
  position: relative;
}

.page-header h1 {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.page-header p {
  max-width: 720px;
  color: var(--color-text-muted);
}

.header-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.header-stats {
  margin-top: var(--spacing-3xl);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-xl);
}

.header-stat {
  padding: var(--spacing-lg) var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

.header-stat strong {
  display: block;
  font-size: 30px;
  color: #fff;
  letter-spacing: normal;
}

/* ========== 面包屑 ========== */
.breadcrumb {
  display: inline-flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-secondary);
}

/* ========== 内容模块 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-2xl);
}

.feature-tile {
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.feature-tile h3 {
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.feature-list {
  list-style: none;
  padding-left: 0;
}

.feature-list li {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin: 0;
  color: var(--color-text-muted);
}

.feature-list li:last-child {
  border-bottom: none;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-3xl);
  align-items: center;
}

.highlight-card {
  padding: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(124, 179, 66, 0.4);
  background: rgba(124, 179, 66, 0.12);
}

/* ========== 时间轴 ========== */
.timeline {
  position: relative;
  margin: var(--spacing-4xl) 0;
  padding-left: var(--spacing-3xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(var(--color-primary), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-3xl);
}

.timeline-badge {
  position: absolute;
  left: -4px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-secondary);
  box-shadow: 0 0 15px rgba(0, 172, 193, 0.8);
}

.timeline-content {
  margin-left: var(--spacing-2xl);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.timeline-year {
  font-size: 22px;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

/* ========== 产品矩阵 ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-2xl);
}

.product-card {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.product-image {
  height: 220px;
  background-size: cover;
  background-position: center;
}

.product-content {
  padding: var(--spacing-2xl);
}

.product-meta {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: var(--spacing-lg);
}

/* ========== 子页面扩展内容 ========== */
.page-insight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-2xl);
}

.page-insight-card {
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-insight-card h3 {
  margin-bottom: var(--spacing-md);
}

.page-insight-card p {
  color: var(--color-text-muted);
  flex: 1;
}

.insight-meta {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: var(--spacing-md);
}

.page-capability {
  padding-top: 0;
}

.page-capability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.capability-card {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--spacing-2xl);
  background: rgba(255, 255, 255, 0.02);
}

.capability-card h3 {
  margin: var(--spacing-md) 0 var(--spacing-lg);
}

.capability-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--color-text-muted);
}

.capability-card li {
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-md);
}

.capability-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
}

.page-cta {
  padding-top: 0;
}

.page-cta-panel {
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: radial-gradient(circle at 20% 20%, rgba(30, 136, 229, 0.25), transparent 60%), rgba(5, 13, 31, 0.85);
  padding: var(--spacing-4xl);
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(220px, 1fr);
  gap: var(--spacing-3xl);
  align-items: center;
}

.page-cta-panel h2 {
  margin: var(--spacing-md) 0;
}

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

.cta-actions .btn {
  width: 100%;
  text-align: center;
}

@media (max-width: 768px) {
  .page-cta-panel {
    grid-template-columns: 1fr;
    padding: var(--spacing-3xl);
  }
}

/* ========== 下载卡片 ========== */
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-2xl);
}

.download-card {
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.download-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ========== 解决方案模块 ========== */
.solution-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-2xl);
}

.solution-card {
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
}

.step-card {
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  border: 1px dashed rgba(255, 255, 255, 0.2);
}

.step-card span {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.25em;
}

/* ========== 案例与新闻 ========== */
.case-grid,
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.case-item,
.news-card {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.case-item img,
.news-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.case-item .content,
.news-card .content {
  padding: var(--spacing-2xl);
}

.news-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ========== 联系与招聘 ========== */
.contact-grid,
.career-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.contact-card,
.career-card {
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
}

.contact-card h3,
.career-card h3 {
  margin-top: 0;
}

/* ========== 合作伙伴 ========== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-2xl);
}

.partner-tile {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  padding: var(--spacing-xl);
  text-align: center;
  letter-spacing: 0.2em;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .page-header h1 {
    font-size: 34px;
  }

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

@media (max-width: 520px) {
  .header-stats {
    grid-template-columns: 1fr;
  }
}