/* 
 * 内页通用样式 - 以技术与场景为核心
 */

@import url('variables.css');

main {
  margin-top: 72px;
}

/* ===== 顶部视觉 ===== */
.page-hero {
  position: relative;
  padding: 120px 0 96px;
  color: var(--color-white);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11,34,74,0.94) 0%, rgba(11,34,74,0.86) 55%, rgba(17,27,50,0.9) 100%);
}

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

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-title {
  display: grid;
  gap: var(--spacing-sm);
}

.hero-title h1 {
  margin: 0;
  font-size: 3rem;
  line-height: 1.1;
}

.hero-lead {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  line-height: var(--line-height-relaxed);
}

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

.hero-stat {
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
}

.hero-stat .value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

.hero-stat .label {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--font-size-sm);
}

.hero-panel {
  background-color: rgba(17, 27, 50, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-2xl);
}

.hero-panel img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

/* ===== 通用分节 ===== */
.content-section {
  padding: var(--spacing-5xl) 0;
  background-color: var(--color-bg-primary);
}

.content-section.muted {
  background-color: var(--color-bg-secondary);
}

.content-section.dark {
  background-color: var(--color-surface);
  color: var(--color-white);
}

.content-section .section-lead {
  color: var(--color-text-light);
}

.content-section.dark .section-lead {
  color: rgba(255, 255, 255, 0.82);
}

/* ===== 网格布局 ===== */
.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

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

.info-card,
.feature-card {
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray);
  box-shadow: var(--shadow-md);
  display: grid;
  gap: var(--spacing-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover,
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-sm);
}

.dark .info-card,
.dark .feature-card {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.feature-card h3,
.info-card h3 {
  margin: 0;
  color: var(--color-primary);
}

.dark .feature-card h3,
.dark .info-card h3 {
  color: var(--color-white);
}

.feature-card p,
.info-card p {
  margin: 0;
  color: var(--color-text-light);
}

.dark .feature-card p,
.dark .info-card p {
  color: rgba(255, 255, 255, 0.8);
}

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

.list-check li {
  position: relative;
  padding-left: var(--spacing-xl);
  color: var(--color-text-light);
}

.list-check li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.dark .list-check li {
  color: rgba(255, 255, 255, 0.8);
}

.dark .list-check li::before {
  color: var(--color-accent);
}

/* ===== 媒体与图片 ===== */
.image-panel {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray);
}

.image-panel img {
  width: 100%;
  display: block;
  height: auto;
}

/* ===== 时间线 ===== */
.timeline {
  position: relative;
  display: grid;
  gap: var(--spacing-2xl);
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-gray);
}

.timeline-item {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-primary);
  left: -4px;
  top: 6px;
  box-shadow: 0 0 0 6px rgba(11, 92, 255, 0.12);
}

.timeline-item h4 {
  margin: 0 0 var(--spacing-xs);
  color: var(--color-primary);
}

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

/* ===== 表格/列表 ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-lg);
}

.data-table th,
.data-table td {
  padding: var(--spacing-md);
  border: 1px solid var(--color-gray);
  text-align: left;
  font-size: var(--font-size-sm);
}

.data-table th {
  background-color: var(--color-light-gray);
}

.dark .data-table th,
.dark .data-table td {
  border-color: rgba(255, 255, 255, 0.15);
}

/* ===== 联系方式卡片 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
}

.contact-card {
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray);
  box-shadow: var(--shadow-md);
}

.dark .contact-card {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.contact-card h4 {
  margin: 0 0 var(--spacing-sm);
  color: var(--color-primary);
}

.dark .contact-card h4 {
  color: var(--color-white);
}

.contact-card p {
  margin: 0;
  color: var(--color-text-light);
}

.dark .contact-card p {
  color: rgba(255, 255, 255, 0.8);
}

/* ===== CTA ===== */
.cta-block {
  margin-top: var(--spacing-3xl);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.cta-block p {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-layout,
  .grid-two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  main {
    margin-top: 64px;
  }
  
  .page-hero {
    padding: var(--spacing-4xl) 0;
  }
  
  .hero-title h1 {
    font-size: var(--font-size-4xl);
  }
  
  .content-section {
    padding: var(--spacing-4xl) 0;
  }
}