/* ============================================
   components.css — 导航、Hero、卡片、时间轴、图片框
   ============================================ */

/* ===== 导航栏 ===== */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(139, 115, 85, 0.08);
  transition: box-shadow var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out);
}

.main-nav.scrolled {
  box-shadow: var(--shadow-nav);
  background: rgba(250, 247, 242, 0.95);
}

.nav-inner {
  max-width: var(--space-container);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 16px 24px;
  flex-wrap: wrap;
}

.nav-link {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.88rem;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--color-text-secondary);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-ink);
  background: rgba(44, 94, 67, 0.06);
}

/* ===== Hero 视觉区 ===== */
.hero {
  position: relative;
  height: 90vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('../images/hero.jpg') no-repeat center center/cover;
  will-change: transform;
}

/* 水墨晕染遮罩 */
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(26, 60, 42, 0.35) 0%,
      rgba(26, 60, 42, 0.25) 40%,
      rgba(26, 60, 42, 0.55) 100%);
}

/* 底部渐变过渡到内容区 */
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--color-paper) 0%, transparent 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: #ffffff;
  padding: 0 24px;
}

.hero-content .hero-tag {
  display: inline-block;
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 8px;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 8px 24px;
  border-radius: 2px;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 0.3s forwards;
}

.hero-content h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 4.2rem;
  font-weight: 500;
  letter-spacing: 12px;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 0.5s forwards;
}

.hero-content .hero-subtitle {
  font-size: 1.15rem;
  font-weight: 300;
  letter-spacing: 6px;
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 0.7s forwards;
}

/* 向下滚动指示器 */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 1.2s forwards;
}

.scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 4px;
  color: rgba(255, 255, 255, 0.7);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ===== 图片展示框 ===== */
.img-frame {
  width: 100%;
  height: 420px;
  background: var(--color-paper-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.img-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(139, 115, 85, 0.08);
  border-radius: var(--radius-md);
  pointer-events: none;
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-in-out);
  will-change: transform;
}

.img-frame:hover img {
  transform: scale(1.06);
}

/* ===== 卡片组件 ===== */
.card {
  background: var(--color-cream);
  padding: 44px 36px;
  border-radius: var(--radius-md);
  border: var(--border-light);
  transition:
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out);
  position: relative;
}

/* 卡片顶部细线装饰 */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 36px;
  right: 36px;
  height: 1px;
  background: var(--color-gold-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-slow) var(--ease-in-out);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(139, 115, 85, 0.2);
}

.card:hover::before {
  transform: scaleX(1);
}

.card .card-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  color: var(--color-ink);
  opacity: 0.7;
}

.card h3 {
  font-size: 1.25rem;
  color: var(--color-ink-dark);
  margin-bottom: 16px;
  font-weight: 500;
  letter-spacing: 2px;
}

.card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
}

/* ===== 时间轴 ===== */
.timeline {
  position: relative;
  padding-left: 40px;
}

/* 时间轴墨线 */
.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--color-jade) 10%,
    var(--color-jade) 90%,
    transparent
  );
}

.timeline-item {
  position: relative;
  margin-bottom: 52px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

/* 时间轴墨点 */
.timeline-item::before {
  content: '';
  position: absolute;
  left: -40px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--color-ink);
  border: 2px solid var(--color-paper);
  box-shadow: 0 0 0 3px var(--color-jade);
  z-index: 2;
}

.timeline-date {
  display: inline-block;
  font-family: 'Noto Serif SC', serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-gold);
  letter-spacing: 3px;
  margin-bottom: 10px;
}

.timeline-item h3 {
  font-size: 1.3rem;
  color: var(--color-ink-dark);
  margin-bottom: 10px;
  font-weight: 500;
}

.timeline-item p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  max-width: 560px;
}

/* ===== 正文引用/高亮框 ===== */
.highlight-box {
  background: var(--color-cream);
  border-left: 3px solid var(--color-gold-light);
  padding: 24px 28px;
  margin: 24px 0;
  font-style: italic;
  color: var(--color-text-secondary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ===== 数据统计卡片 ===== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 18px;
  margin: 28px 0;
}

.stat-card {
  text-align: center;
  padding: 36px 18px;
  background: var(--color-cream);
  border-radius: var(--radius-md);
  border: var(--border-light);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.stat-card .stat-number {
  display: block;
  font-family: 'Noto Serif SC', serif;
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--color-ink-dark);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-card .stat-unit {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.stat-card .stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  letter-spacing: 2px;
  margin-top: 4px;
}

/* ===== 村庄社区网格 ===== */
.village-section-label {
  font-family: 'Noto Serif SC', serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-ink);
  margin: 28px 0 16px;
  letter-spacing: 2px;
  text-align: center;
}

.village-section-label small {
  font-weight: 300;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.village-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.village-item {
  text-align: center;
  padding: 22px 14px;
  background: var(--color-cream);
  border-radius: var(--radius-md);
  border: var(--border-light);
  font-family: 'Noto Serif SC', serif;
  font-size: 0.95rem;
  color: var(--color-ink-dark);
  letter-spacing: 2px;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out),
              border-color var(--duration-normal) var(--ease-out);
}

.village-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(139, 115, 85, 0.2);
}

.village-item.community {
  border-color: var(--color-gold-light);
  background: linear-gradient(160deg, var(--color-cream) 0%, rgba(212, 197, 160, 0.10) 100%);
  font-weight: 500;
}

/* ===== 子区块标题 ===== */
.sub-section-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-ink-dark);
  margin: 40px 0 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(139, 115, 85, 0.1);
  letter-spacing: 2px;
}

/* ===== 信息详情卡片（学校、医院等） ===== */
.info-card {
  background: var(--color-cream);
  border: var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 20px;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
  position: relative;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 32px;
  right: 32px;
  height: 1px;
  background: var(--color-gold-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-slow) var(--ease-in-out);
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.info-card:hover::before {
  transform: scaleX(1);
}

.info-card h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.2rem;
  color: var(--color-ink-dark);
  margin-bottom: 6px;
  letter-spacing: 2px;
  font-weight: 500;
}

.info-card .info-card-meta {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.info-card p {
  color: var(--color-text-secondary);
  font-size: 0.93rem;
  line-height: 1.8;
}

/* ===== 产业区块 ===== */
.industry-block {
  background: var(--color-cream);
  border-left: 3px solid var(--color-jade);
  padding: 28px 30px;
  margin: 22px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: border-color var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.industry-block:hover {
  border-left-color: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.industry-block h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-ink-dark);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.industry-block p {
  color: var(--color-text-secondary);
  font-size: 0.93rem;
  margin-bottom: 0;
}

/* ===== 卡片顶部图片 ===== */
.card-img,
.info-card-img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 18px;
}

/* ===== 信息卡片图文并排（医院等） ===== */
.info-card-row {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.info-card-figure {
  flex-shrink: 0;
  width: 340px;
}

.info-card-figure img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 4px;
}

.info-card-text {
  flex: 1;
  min-width: 0;
}

/* ===== 内联关键数字 ===== */
.data-num {
  font-family: 'Noto Serif SC', serif;
  color: var(--color-ink-dark);
  font-weight: 500;
}

/* ===== 文本要点列表 ===== */
.text-list {
  list-style: none;
  padding: 0;
  margin: 12px 0;
}

.text-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  color: var(--color-text-secondary);
  font-size: 0.93rem;
  line-height: 1.8;
}

.text-list li::before {
  content: '·';
  position: absolute;
  left: 3px;
  color: var(--color-gold);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ===== 行政区划总览条 ===== */
.admin-summary {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding: 20px 0;
}

.admin-summary .admin-stat {
  text-align: center;
}

.admin-summary .admin-stat .admin-num {
  display: block;
  font-family: 'Noto Serif SC', serif;
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-ink-dark);
  line-height: 1.2;
}

.admin-summary .admin-stat .admin-tag {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 2px;
  margin-top: 2px;
}

/* ===== 地理信息网格 ===== */
.geo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.geo-card {
  background: var(--color-cream);
  border: var(--border-light);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.geo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.geo-card h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-ink-dark);
  margin-bottom: 12px;
  letter-spacing: 2px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(139, 115, 85, 0.08);
}

.geo-card p,
.geo-card ul {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.85;
  margin: 0;
}

.geo-card ul {
  list-style: none;
  padding: 0;
}

.geo-card ul li {
  margin-bottom: 4px;
}