/* ==========================================================================
   三毛机场 - 午夜出发大厅主题样式表 (Midnight Departure Hall Theme)
   设计规范：
   - 背景色：近黑蓝 #0B0E12
   - 面板色：#12181F
   - 暖白文字：#E8E6DF
   - 辅助文字：#8E98A4
   - 琥珀主色：#F2B035
   - 信号绿：#3DDC97
   - 边框色：#26313D
   - 零浅色渐变、无圆角糖果色、极客机械仪表感
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;700;900&display=swap');

:root {
  --bg-main: #0B0E12;
  --bg-panel: #12181F;
  --bg-panel-hover: #17212B;
  --text-main: #E8E6DF;
  --text-muted: #8E98A4;
  --text-dim: #54606E;
  --amber: #F2B035;
  --amber-dim: rgba(242, 176, 53, 0.15);
  --green: #3DDC97;
  --green-dim: rgba(61, 220, 151, 0.15);
  --red: #FF5C5C;
  --border: #26313D;
  --border-light: #374758;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Consolas, Menlo, monospace;
  --font-sans: 'Space Grotesk', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-main);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 航站楼背景网格与微弱扫描线 */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(38, 49, 61, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(38, 49, 61, 0.3) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.terminal-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

/* 顶栏航站楼调度状态条 */
.terminal-status-ticker {
  background: #080A0E;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 6px 0;
  position: relative;
  z-index: 100;
}

.ticker-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.radar-dot {
  width: 7px;
  height: 7px;
  background-color: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: radarPulse 2s infinite ease-in-out;
}

@keyframes radarPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* 导航栏 */
.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(11, 14, 18, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 99;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--amber);
  letter-spacing: 1px;
}

.logo-badge {
  background-color: var(--border);
  color: var(--text-main);
  padding: 2px 6px;
  font-size: 0.75rem;
  border: 1px solid var(--border-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--amber);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 按钮规范：琥珀色边框与悬停填充 */
.btn-amber {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 10px 22px;
  border: 1px solid var(--amber);
  background-color: transparent;
  color: var(--amber);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-amber:hover {
  background-color: var(--amber);
  color: #0B0E12;
  box-shadow: 0 0 16px rgba(242, 176, 53, 0.35);
}

.btn-amber-solid {
  background-color: var(--amber);
  color: #0B0E12;
  border: 1px solid var(--amber);
}

.btn-amber-solid:hover {
  background-color: #f7be4d;
  box-shadow: 0 0 20px rgba(242, 176, 53, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 10px 22px;
  border: 1px solid var(--border-light);
  background-color: var(--bg-panel);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  border-color: var(--amber);
  color: var(--amber);
}

/* 标签与指示器 */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  background: rgba(18, 24, 31, 0.8);
}

.status-badge.on-time {
  border-color: rgba(61, 220, 151, 0.4);
  color: var(--green);
}

.status-badge.on-time .badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
}

.status-badge.boarding {
  border-color: rgba(242, 176, 53, 0.4);
  color: var(--amber);
}

.status-badge.boarding .badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--amber);
}

.status-badge.delayed {
  border-color: rgba(255, 92, 92, 0.4);
  color: var(--red);
}

.status-badge.delayed .badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--red);
  border-radius: 50%;
}

/* 主视觉区 (Hero Section) */
.hero-section {
  padding: 72px 0 60px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.departure-board-frame {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 36px 32px;
  position: relative;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}

.board-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 16px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.board-top-bar .terminal-code {
  color: var(--amber);
  font-weight: 700;
}

/* 机械翻牌标题效果 */
.flip-headline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 6px;
  margin-bottom: 24px;
}

.flip-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #080A0E;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.8vw, 2.8rem);
  font-weight: 700;
  min-width: 1.3em;
  height: 1.4em;
  padding: 0 6px;
  border: 1px solid var(--border);
  border-top: 2px solid #374758;
  position: relative;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 3px 6px rgba(0, 0, 0, 0.4);
  animation: flapIn 0.6s cubic-bezier(0.2, 0.85, 0.4, 1.2) backwards;
}

.flip-letter::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #000;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

@keyframes flapIn {
  0% {
    transform: rotateX(85deg);
    opacity: 0;
  }
  100% {
    transform: rotateX(0deg);
    opacity: 1;
  }
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 820px;
  margin-bottom: 32px;
}

.hero-subtitle strong {
  color: var(--text-main);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  padding-top: 12px;
}

.hero-metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: var(--border);
  border: 1px solid var(--border);
  margin-top: 36px;
}

.metric-cell {
  background-color: #0e1319;
  padding: 16px 20px;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--amber);
}

/* 通用区块头 */
.section-wrapper {
  padding: 72px 0;
  border-bottom: 1px solid var(--border);
}

.section-header {
  margin-bottom: 44px;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 2px;
  color: var(--amber);
  margin-bottom: 10px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-main);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 680px;
}

.section-divider {
  height: 1px;
  background-image: linear-gradient(to right, var(--amber) 0%, var(--border) 40%, transparent 100%);
  margin-top: 18px;
}

/* 核心优势卡片 (3 个图文卡片) */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.advantage-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 32px 26px;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.advantage-card:hover {
  transform: translateY(-4px);
  border-color: var(--amber);
}

.card-flight-code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-bottom: 14px;
}

.card-icon-box {
  width: 48px;
  height: 48px;
  background-color: #0B0E12;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--amber);
}

.card-icon-box svg {
  width: 24px;
  height: 24px;
}

.card-title {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.card-meta-line {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* 流媒体与 AI 支持图卡 */
.streaming-ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-panel {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 32px;
}

.feature-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.feature-panel-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #080A0E;
  border: 1px solid var(--border);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-main);
}

.tag-item.active {
  border-color: var(--amber);
  color: var(--amber);
}

/* 时刻表式套餐价格表 */
.pricing-timetable-wrapper {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  overflow-x: auto;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  text-align: left;
  min-width: 820px;
}

.pricing-table thead {
  background-color: #080A0E;
  border-bottom: 2px solid var(--border);
}

.pricing-table th {
  padding: 16px 20px;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  font-weight: 600;
}

.pricing-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background-color 0.2s ease;
}

.pricing-table tbody tr:hover {
  background-color: var(--bg-panel-hover);
}

.pricing-table tbody tr.popular-row {
  background-color: rgba(242, 176, 53, 0.04);
}

.pricing-table td {
  padding: 20px 20px;
  font-size: 0.9rem;
  vertical-align: middle;
}

.flight-code {
  color: var(--amber);
  font-weight: 700;
  display: block;
  font-size: 0.95rem;
}

.flight-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.destination-name {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
  display: block;
}

.destination-detail {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.price-digit {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--amber);
}

.price-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* FAQ 常见问题折叠卡片 */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 24px 28px;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--border-light);
}

.faq-q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.faq-q-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
  background-color: #080A0E;
  padding: 2px 8px;
  border: 1px solid var(--border);
}

.faq-a {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.8;
  padding-left: 36px;
}

/* 用户评价 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 28px;
  position: relative;
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.reviewer-name {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-main);
  font-size: 0.95rem;
}

.reviewer-flight {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
}

.review-stars {
  color: var(--amber);
  font-size: 0.85rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.review-body {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 页脚：严格只保留 4 个新页面链接 */
.site-footer {
  background-color: #080A0E;
  border-top: 1px solid var(--border);
  padding: 48px 0 36px;
  margin-top: 40px;
}

.footer-nav-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
  list-style: none;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.footer-nav-item a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 14px;
  border: 1px solid var(--border);
  background-color: var(--bg-panel);
  transition: all 0.2s ease;
}

.footer-nav-item a:hover {
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 12px rgba(242, 176, 53, 0.2);
}

.footer-bottom-info {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  border-top: 1px dashed var(--border);
  padding-top: 24px;
}

/* 资讯与内容页通用样式 */
.article-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-header {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 36px 32px;
  margin-bottom: 36px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 14px;
}

.article-title {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 14px;
}

.article-content {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 40px 36px;
  font-size: 1.02rem;
  line-height: 1.9;
  color: #D3D8E0;
}

.article-content h2 {
  font-size: 1.45rem;
  color: var(--amber);
  margin: 36px 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.article-content h3 {
  font-size: 1.2rem;
  color: var(--text-main);
  margin: 26px 0 14px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul, 
.article-content ol {
  margin: 16px 0 24px 24px;
}

.article-content li {
  margin-bottom: 10px;
}

.article-content a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-content a:hover {
  color: #ffd700;
}

.article-content blockquote {
  border-left: 3px solid var(--amber);
  padding: 14px 20px;
  background-color: #080A0E;
  margin: 24px 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.92rem;
}

/* 资讯列表网格 */
.news-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.news-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.news-card:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
}

.news-card-title {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.5;
}

.news-card:hover .news-card-title {
  color: var(--amber);
}

.news-card-excerpt {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* 响应式媒体查询：移动端适配单栏 */
@media screen and (max-width: 992px) {
  .advantages-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .streaming-ai-grid {
    grid-template-columns: 1fr;
  }

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

  .news-cards-grid {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 768px) {
  .terminal-status-ticker {
    display: none;
  }

  .nav-wrapper {
    height: auto;
    padding: 14px 0;
    flex-direction: column;
    gap: 14px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .hero-section {
    padding: 36px 0 40px;
  }

  .departure-board-frame {
    padding: 24px 18px;
  }

  .flip-letter {
    font-size: 1.4rem;
  }

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

  .btn-amber,
  .btn-secondary {
    width: 100%;
    padding: 14px 18px;
    font-size: 0.95rem;
  }

  .hero-metrics-bar {
    grid-template-columns: 1fr;
  }

  .pricing-table th,
  .pricing-table td {
    padding: 12px 14px;
  }

  .footer-nav-list {
    flex-direction: column;
    gap: 14px;
  }

  .footer-nav-item a {
    display: block;
    text-align: center;
    width: 100%;
  }

  .article-content,
  .article-header {
    padding: 24px 18px;
  }
}