/* ===================================================================
   飞鸟云 (Feiniao Cloud) - 官方极速落地页原生样式表
   机场国际航站楼终端 & 仿真登机牌 UI 范式
   零外部依赖 · 纯原生 CSS · 工业机能风 · 昼夜自适应 · 响应式
   =================================================================== */

/* -------------------------------------------------------------------
   1. 基础变量与设计令牌 (Design Tokens)
   ------------------------------------------------------------------- */
:root {
  /* 白天模式 (Light Mode - 机场明亮大厅 & 象牙白登机牌) */
  --bg-body: #f4f5f8;
  --bg-surface: #ffffff;
  --bg-surface-alt: #ebedf2;
  --bg-terminal-steel: #121316;
  --bg-terminal-panel: #1a1c22;
  --bg-terminal-tile: #0a0b0d;

  /* 仿真登机牌质感色 */
  --pass-ivory: #faf9f6;
  --pass-ivory-dark: #f0eee8;
  --pass-border: #d6d3cb;
  --pass-ink: #18191c;
  --pass-subink: #555861;
  --pass-accent-blue: #0b4db7;
  --pass-gold: #c29b38;

  /* 文字颜色 */
  --text-main: #111317;
  --text-muted: #5e6472;
  --text-sub: #343a46;
  --text-inverse: #ffffff;

  /* 航站楼信号与主题色 */
  --solari-amber: #ffb800;
  --solari-amber-glow: rgba(255, 184, 0, 0.4);
  --status-green: #00d26a;
  --status-green-glow: rgba(0, 210, 106, 0.45);
  --laser-red: #ff2a2a;
  --laser-glow: rgba(255, 42, 42, 0.8);
  --primary-blue: #1e50ff;
  --primary-blue-hover: #0b3bd9;
  --border-color: #dcdfe6;

  /* 阴影与深度 */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.12);
  --shadow-pass: 0 20px 45px -10px rgba(0, 0, 0, 0.22), 0 0 1px rgba(0, 0, 0, 0.1);

  /* 布局与圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-pass: 16px;
  --max-width: 1240px;
  --header-height: 72px;

  /* 动画过渡 */
  --transition-fast: 0.18s cubic-bezier(0.2, 0, 0, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-theme: background-color 0.35s ease, color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

/* -------------------------------------------------------------------
   2. 暗夜模式 (Dark Mode - 午夜航站楼机修哑光钢)
   ------------------------------------------------------------------- */
[data-theme="dark"] {
  --bg-body: #0a0b0e;
  --bg-surface: #13151b;
  --bg-surface-alt: #1a1d26;
  --bg-terminal-steel: #0d0e12;
  --bg-terminal-panel: #14171f;
  --bg-terminal-tile: #060709;

  --pass-ivory: #161922;
  --pass-ivory-dark: #12141c;
  --pass-border: #262a36;
  --pass-ink: #f0f3fa;
  --pass-subink: #9aa2b5;
  --pass-accent-blue: #3d79f2;
  --pass-gold: #e2b744;

  --text-main: #f0f3fa;
  --text-muted: #8e97aa;
  --text-sub: #c5cbd8;
  --text-inverse: #0a0b0e;

  --border-color: #262a36;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.7);
  --shadow-pass: 0 20px 45px -10px rgba(0, 0, 0, 0.6), 0 0 0 1px #2a2f3d;
}

/* -------------------------------------------------------------------
   3. 全局重置与工业排版
   ------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  transition: var(--transition-theme);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 等宽字体类（专用于机场航班翻牌板与登机牌数据） */
.font-mono,
.solari-char,
.pass-data,
.barcode-value {
  font-family: "SF Mono", "Roboto Mono", "Courier New", Consolas, monospace;
  letter-spacing: 0.05em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-normal);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* 工业级按钮体系 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: var(--transition-fast);
  min-height: 48px;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  user-select: none;
}

.btn-primary {
  background: var(--primary-blue);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(30, 80, 255, 0.35);
}

.btn-primary:hover {
  background: var(--primary-blue-hover);
  box-shadow: 0 6px 20px rgba(30, 80, 255, 0.5);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-terminal {
  background: #1e222d;
  color: #ffffff;
  border: 1px solid #333a4d;
}

.btn-terminal:hover {
  background: #282e3d;
  border-color: var(--solari-amber);
  color: var(--solari-amber);
}

.btn-flight-gold {
  background: linear-gradient(135deg, #d4af37 0%, #aa820a 100%);
  color: #111111 !important;
  font-weight: 800;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-flight-gold:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.45);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  min-height: 54px;
}

.btn-block {
  width: 100%;
}

/* 区域通用标题 */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "SF Mono", monospace;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary-blue);
  background: rgba(30, 80, 255, 0.08);
  border: 1px solid rgba(30, 80, 255, 0.2);
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  text-transform: uppercase;
}

[data-theme="dark"] .section-tag {
  color: var(--solari-amber);
  background: rgba(255, 184, 0, 0.08);
  border-color: rgba(255, 184, 0, 0.25);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 850;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 14px;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* -------------------------------------------------------------------
   4. 顶部航站楼指挥导航栏 (Airport Terminal Nav)
   ------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(18, 19, 22, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #282c37;
  color: #ffffff;
  z-index: 1000;
  transition: var(--transition-theme);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 850;
  letter-spacing: 0.02em;
  color: #ffffff;
}

.brand-logo .logo-flight-badge {
  width: 38px;
  height: 38px;
  background: #1f2430;
  border: 1px solid #363d4e;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--solari-amber);
  box-shadow: 0 0 10px rgba(255, 184, 0, 0.25);
}

.brand-logo .logo-flight-badge svg {
  width: 22px;
  height: 22px;
}

.brand-logo .logo-callsign {
  font-family: "SF Mono", monospace;
  font-size: 0.72rem;
  color: #8c96a8;
  display: block;
  font-weight: 500;
  letter-spacing: 0.1em;
}

/* 导航锚点目录 */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 24px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: #a6b0c2;
  position: relative;
  padding: 6px 2px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link.active::after, .nav-link:hover::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--solari-amber);
  box-shadow: 0 0 6px var(--solari-amber);
}

/* 推荐资讯特殊标识徽章 */
.nav-badge-new {
  font-family: "SF Mono", monospace;
  font-size: 0.65rem;
  background: #ff334b;
  color: #ffffff;
  padding: 2px 6px;
  border-radius: 2px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 精致透明磨砂昼夜切换按钮 */
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #d1d7e3;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition-normal);
}

.theme-toggle-btn:hover {
  background: rgba(255, 184, 0, 0.15);
  border-color: var(--solari-amber);
  color: var(--solari-amber);
  transform: rotate(15deg);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
}

.sun-icon { display: block; }
.moon-icon { display: none; }
[data-theme="dark"] .sun-icon { display: none; }
[data-theme="dark"] .moon-icon { display: block; }

.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  align-items: center;
  justify-content: center;
}

/* -------------------------------------------------------------------
   5. 主视觉区：机场机械翻牌大屏 (Solari Board) & 仿真登机牌
   ------------------------------------------------------------------- */
.hero-terminal-section {
  padding: 50px 0 80px;
  background: linear-gradient(180deg, #121316 0%, #171920 60%, var(--bg-body) 100%);
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.terminal-masthead {
  text-align: center;
  max-width: 880px;
  margin: 0 auto 40px;
  color: #ffffff;
}

.terminal-callsign-bar {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #0d0e11;
  border: 1px solid #2d3240;
  padding: 6px 18px;
  border-radius: var(--radius-sm);
  font-family: "SF Mono", monospace;
  font-size: 0.85rem;
  color: #a4afc4;
  margin-bottom: 20px;
}

.terminal-led-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-green);
  box-shadow: 0 0 10px var(--status-green);
  animation: radar-pulse 1.8s infinite;
}

@keyframes radar-pulse {
  0% { opacity: 0.4; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
  100% { opacity: 0.4; transform: scale(0.9); }
}

.hero-main-title {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 18px;
  color: #ffffff;
}

.hero-main-title .highlight-brand {
  color: var(--solari-amber);
  text-shadow: 0 0 20px rgba(255, 184, 0, 0.3);
  display: inline-block;
}

.hero-intro-text {
  font-size: 1.18rem;
  color: #a3adbf;
  line-height: 1.75;
  max-width: 780px;
  margin: 0 auto;
}

/* ================= 机械 Solari 翻牌航班大屏 ================= */
.solari-departure-terminal {
  background: var(--bg-terminal-steel);
  border: 3px solid #232732;
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  margin-bottom: 50px;
  position: relative;
  overflow: hidden;
}

.solari-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 2px solid #232732;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 12px;
}

.solari-terminal-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "SF Mono", monospace;
  font-size: 1.1rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.1em;
}

.solari-terminal-title svg {
  color: var(--solari-amber);
}

.terminal-mechanical-clock {
  font-family: "SF Mono", monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--solari-amber);
  background: #090a0d;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid #2f3444;
  letter-spacing: 0.15em;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.8);
}

/* 翻牌表格列头 */
.solari-table-head {
  display: grid;
  grid-template-columns: 100px 180px 100px 120px 1fr 140px;
  gap: 8px;
  padding: 8px 12px;
  background: #171920;
  border: 1px solid #282d3b;
  font-family: "SF Mono", monospace;
  font-size: 0.75rem;
  font-weight: 800;
  color: #798396;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

/* 翻牌行 */
.solari-row {
  display: grid;
  grid-template-columns: 100px 180px 100px 120px 1fr 140px;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  background: var(--bg-terminal-panel);
  border: 1px solid #202430;
  margin-bottom: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
  border-radius: 2px;
}

.solari-row:hover, .solari-row.active {
  background: #1e222d;
  border-color: var(--solari-amber);
}

.solari-row.active {
  box-shadow: inset 0 0 12px rgba(255, 184, 0, 0.15);
}

/* 机械翻牌格单元 (Split-Flap Tile) */
.solari-cell {
  display: flex;
  align-items: center;
  overflow: hidden;
}

.solari-flap-text {
  font-family: "SF Mono", monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  display: inline-flex;
  gap: 2px;
}

.solari-char {
  background: var(--bg-terminal-tile);
  color: #ffffff;
  padding: 3px 6px;
  border-radius: 2px;
  border: 1px solid #262a36;
  box-shadow: inset 0 -1px 0 #1b1e28, 0 1px 2px rgba(0, 0, 0, 0.6);
  position: relative;
  display: inline-block;
  min-width: 18px;
  text-align: center;
}

.solari-char::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(0, 0, 0, 0.85);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* 状态指示格 */
.status-tag-ontime {
  color: var(--status-green);
  font-family: "SF Mono", monospace;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-tag-ontime::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--status-green);
  box-shadow: 0 0 6px var(--status-green);
}

.solari-action-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--solari-amber);
  background: rgba(255, 184, 0, 0.1);
  padding: 5px 10px;
  border: 1px solid rgba(255, 184, 0, 0.3);
  border-radius: 2px;
  text-align: center;
  transition: var(--transition-fast);
}

.solari-action-link:hover {
  background: var(--solari-amber);
  color: #121316;
}

/* ================= 仿真奢华国际机票/登机牌 (Luxury Boarding Pass) ================= */
.boarding-pass-wrapper {
  perspective: 1200px;
  margin: 0 auto;
}

.boarding-pass-card {
  background: var(--pass-ivory);
  border: 1px solid var(--pass-border);
  border-radius: var(--radius-pass);
  box-shadow: var(--shadow-pass);
  display: flex;
  position: relative;
  overflow: visible;
  transition: var(--transition-theme);
}

/* 登机牌主联 (Passenger Main Boarding Pass) */
.pass-main-section {
  flex: 1 1 68%;
  padding: 36px 36px 32px;
  position: relative;
}

/* 登机牌头部 */
.pass-flight-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2px solid var(--pass-border);
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.pass-airline-brand {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--pass-ink);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pass-class-pill {
  background: var(--pass-accent-blue);
  color: #ffffff;
  font-family: "SF Mono", monospace;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 登机牌出发与到达机场大代码 */
.pass-route-display {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
}

.pass-port-box {
  display: flex;
  flex-direction: column;
}

.pass-port-code {
  font-family: "SF Mono", monospace;
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  color: var(--pass-ink);
}

.pass-port-city {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pass-subink);
  margin-top: 4px;
}

.pass-flight-route-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--pass-accent-blue);
}

.pass-flight-route-indicator .route-line {
  width: 100px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--pass-accent-blue), var(--pass-accent-blue) 6px, transparent 6px, transparent 12px);
}

/* 登机牌数据网格 */
.pass-data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 16px;
  background: var(--pass-ivory-dark);
  border: 1px solid var(--pass-border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.pass-data-item {
  display: flex;
  flex-direction: column;
}

.pass-data-label {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--pass-subink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.pass-data-value {
  font-family: "SF Mono", monospace;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--pass-ink);
}

/* 登机牌条形码与红外激光扫描效果 */
.pass-barcode-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px dashed var(--pass-border);
  position: relative;
}

.barcode-wrapper {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 8px 12px;
  background: #ffffff;
  border: 1px solid #ddd;
  border-radius: 4px;
  cursor: crosshair;
  overflow: hidden;
}

.barcode-stripes-svg {
  width: 220px;
  height: 48px;
  fill: #111111;
}

/* 红外激光束扫描动画 (Hover Laser Scanner) */
.laser-scanner-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--laser-red);
  box-shadow: 0 0 10px 2px var(--laser-glow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.barcode-wrapper:hover .laser-scanner-line {
  opacity: 1;
  animation: laser-sweep 1.2s infinite ease-in-out;
}

@keyframes laser-sweep {
  0% { top: 0%; }
  50% { top: 95%; }
  100% { top: 0%; }
}

.barcode-meta-text {
  font-family: "SF Mono", monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: #444;
  margin-top: 4px;
}

.packet-loss-validator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "SF Mono", monospace;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--status-green);
  background: rgba(0, 210, 106, 0.1);
  border: 1px solid rgba(0, 210, 106, 0.3);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
}

/* ================= 虚线裁切撕纸区与激光追踪流光 ================= */
.pass-perforation-divider {
  width: 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
}

/* 顶部与底部缺口 (Notch Cutouts) */
.notch-cutout {
  width: 24px;
  height: 24px;
  background-color: var(--bg-body);
  border-radius: 50%;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  transition: var(--transition-theme);
  border: 1px solid var(--pass-border);
}

.notch-top {
  top: -13px;
}

.notch-bottom {
  bottom: -13px;
}

/* 穿孔虚线 */
.perforation-dashed-line {
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  border-left: 2px dashed #b5b2a9;
}

/* 激光追踪穿孔流光 (Laser Trace Shimmer) */
.perforation-laser-beam {
  position: absolute;
  width: 4px;
  height: 50px;
  background: linear-gradient(180deg, transparent, var(--solari-amber), #ffffff, var(--solari-amber), transparent);
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  box-shadow: 0 0 10px var(--solari-amber);
  animation: laser-perforation-run 3s infinite linear;
}

@keyframes laser-perforation-run {
  0% { top: -60px; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* 撕口提示剪刀图标 */
.scissors-hint-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-terminal-steel);
  color: var(--solari-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  z-index: 15;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  transition: var(--transition-fast);
}

.scissors-hint-btn:hover {
  transform: translate(-50%, -50%) scale(1.2);
  background: var(--solari-amber);
  color: #121316;
}

/* ================= 登机牌副联 / 撕下存根 (Tear-off Passenger Stub) ================= */
.pass-stub-section {
  flex: 0 0 32%;
  background: var(--pass-ivory-dark);
  padding: 36px 30px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: 0 var(--radius-pass) var(--radius-pass) 0;
  position: relative;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s ease;
}

/* 撕下状态 (Torn-off Active State) */
.boarding-pass-card.stub-torn .pass-stub-section {
  transform: translateX(18px) rotate(2deg);
  box-shadow: 10px 10px 30px rgba(0, 0, 0, 0.25);
}

.stub-header {
  border-bottom: 2px solid var(--pass-border);
  padding-bottom: 14px;
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stub-title {
  font-size: 0.95rem;
  font-weight: 850;
  color: var(--pass-ink);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stub-flight-num {
  font-family: "SF Mono", monospace;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--pass-accent-blue);
}

.stub-info-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.stub-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stub-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--pass-subink);
  text-transform: uppercase;
}

.stub-val {
  font-family: "SF Mono", monospace;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--pass-ink);
}

.stub-cta-box {
  margin-top: auto;
  text-align: center;
}

.stub-tear-instruction {
  font-size: 0.78rem;
  color: var(--pass-subink);
  margin-bottom: 12px;
  font-weight: 600;
}

/* -------------------------------------------------------------------
   6. 核心优势 (3个航空专线机能图文卡片)
   ------------------------------------------------------------------- */
.section-features {
  padding: 100px 0 80px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-terminal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  position: relative;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.feature-terminal-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-md);
}

.card-flight-tag {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "SF Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 20px;
  letter-spacing: 0.08em;
}

.feature-icon-badge {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-sm);
  background: rgba(30, 80, 255, 0.08);
  border: 1px solid rgba(30, 80, 255, 0.2);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

[data-theme="dark"] .feature-icon-badge {
  background: rgba(255, 184, 0, 0.08);
  border-color: rgba(255, 184, 0, 0.25);
  color: var(--solari-amber);
}

.feature-icon-badge svg {
  width: 28px;
  height: 28px;
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-main);
}

.feature-desc {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 22px;
  flex-grow: 1;
}

.feature-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-color);
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-sub);
}

.spec-item svg {
  width: 16px;
  height: 16px;
  color: var(--status-green);
  flex-shrink: 0;
}

/* -------------------------------------------------------------------
   7. 流媒体与 AI 支持图卡 (機载影音 & 极客驾驶舱)
   ------------------------------------------------------------------- */
.section-services {
  padding: 90px 0;
  background: var(--bg-surface-alt);
  transition: var(--transition-theme);
}

.services-split-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 38px 34px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-blue);
}

.service-card-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 20px;
}

.service-badge-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-streaming {
  background: #e50914;
  color: #ffffff;
}

.icon-ai {
  background: #10a37f;
  color: #ffffff;
}

.service-badge-icon svg {
  width: 28px;
  height: 28px;
}

.service-title {
  font-size: 1.45rem;
  font-weight: 850;
  margin-bottom: 4px;
  color: var(--text-main);
}

.service-subtitle {
  font-family: "SF Mono", monospace;
  font-size: 0.85rem;
  color: var(--primary-blue);
  font-weight: 700;
  letter-spacing: 0.05em;
}

[data-theme="dark"] .service-subtitle {
  color: var(--solari-amber);
}

.service-text {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 26px;
}

.media-badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 26px;
}

.media-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-sub);
  transition: var(--transition-fast);
}

.media-pill:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  transform: translateY(-2px);
}

.media-pill svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.service-feature-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px dashed var(--border-color);
}

.service-bullet {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-main);
  font-weight: 600;
}

.service-bullet svg {
  width: 18px;
  height: 18px;
  color: var(--status-green);
  flex-shrink: 0;
}

/* -------------------------------------------------------------------
   8. 套餐价格对比表 (Authentic Airplane Ticket Cards 飞机票样式)
   ------------------------------------------------------------------- */
.section-pricing {
  padding: 100px 0 90px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

/* 飞机票卡片主体 (Flight Ticket Card) */
.ticket-card {
  background: var(--pass-ivory);
  border: 1px solid var(--pass-border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-normal);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  overflow: visible;
}

.ticket-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.15);
}

/* 商务舱热门机票高亮 */
.ticket-card.popular {
  border: 2px solid var(--primary-blue);
  box-shadow: 0 14px 40px rgba(30, 80, 255, 0.2);
  transform: scale(1.03);
}

.ticket-card.popular:hover {
  transform: scale(1.05) translateY(-4px);
}

[data-theme="dark"] .ticket-card {
  background: #141720;
  border-color: #272d3c;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .ticket-card.popular {
  border-color: var(--solari-amber);
  box-shadow: 0 14px 40px rgba(255, 184, 0, 0.22);
}

/* 优先登机/85%用户首选 标签 - 绝对单行不折行 (Strictly Single-line, No Wrap) */
.popular-ribbon {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-blue);
  color: #ffffff;
  padding: 6px 20px;
  border-radius: var(--radius-sm);
  font-family: "SF Mono", monospace;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 14px rgba(30, 80, 255, 0.45);
  text-transform: uppercase;
  white-space: nowrap !important;
  word-break: keep-all !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  z-index: 10;
}

[data-theme="dark"] .popular-ribbon {
  background: var(--solari-amber);
  color: #121316;
  box-shadow: 0 4px 14px rgba(255, 184, 0, 0.45);
}

/* 机票顶部航司彩带 (Ticket Header Strip) */
.ticket-header-strip {
  padding: 10px 20px;
  border-radius: 11px 11px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "SF Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap !important;
  color: #ffffff;
}

.ticket-header-economy {
  background: #1e50ff;
}

.ticket-header-business {
  background: linear-gradient(90deg, #1e50ff 0%, #7c3aed 100%);
}

.ticket-header-first {
  background: linear-gradient(90deg, #b8860b 0%, #d4af37 100%);
  color: #111111;
}

/* 机票主体内容区 (Ticket Main Body) */
.ticket-main-body {
  padding: 24px 26px 14px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.ticket-route-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--pass-border);
  padding-bottom: 12px;
  margin-bottom: 16px;
  white-space: nowrap !important;
}

.ticket-flight-no {
  font-family: "SF Mono", monospace;
  font-size: 0.95rem;
  font-weight: 850;
  color: var(--pass-ink);
  white-space: nowrap !important;
}

.ticket-cabin-badge {
  font-family: "SF Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 3px;
  background: var(--pass-ivory-dark);
  border: 1px solid var(--pass-border);
  color: var(--pass-accent-blue);
  letter-spacing: 0.06em;
  white-space: nowrap !important;
}

.ticket-name-title {
  font-size: 1.35rem;
  font-weight: 850;
  color: var(--pass-ink);
  margin-bottom: 6px;
  white-space: nowrap !important;
}

.ticket-plan-desc {
  font-size: 0.88rem;
  color: var(--pass-subink);
  margin-bottom: 14px;
}

/* 机票经典打孔缺口与虚线分割 (Airplane Ticket Notches & Perforation) */
.ticket-notch-divider {
  position: relative;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 4px 0 12px;
}

.ticket-notch {
  width: 22px;
  height: 22px;
  background-color: var(--bg-body);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  border: 1px solid var(--border-color);
  transition: var(--transition-theme);
}

.ticket-notch.notch-left {
  left: -12px;
}

.ticket-notch.notch-right {
  right: -12px;
}

.ticket-perforated-dashed {
  width: calc(100% - 24px);
  height: 0;
  border-top: 2px dashed #b8bcc8;
}

/* 票价区 (Fare Display - 字绝不折行) */
.ticket-price-panel {
  text-align: center;
  padding: 10px 0 16px;
  white-space: nowrap !important;
}

.ticket-fare-label {
  font-family: "SF Mono", monospace;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--pass-subink);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
  white-space: nowrap !important;
}

.ticket-price-number-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  white-space: nowrap !important;
}

.ticket-price-currency {
  font-family: "SF Mono", monospace;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-blue);
  white-space: nowrap !important;
}

[data-theme="dark"] .ticket-price-currency {
  color: var(--solari-amber);
}

.ticket-price-val {
  font-family: "SF Mono", monospace;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--pass-ink);
  line-height: 1;
  white-space: nowrap !important;
}

.ticket-price-period {
  font-size: 0.95rem;
  color: var(--pass-subink);
  font-weight: 600;
  white-space: nowrap !important;
}

.ticket-price-tagline {
  margin-top: 6px;
  font-family: "SF Mono", monospace;
  font-size: 0.78rem;
  color: var(--status-green);
  font-weight: 700;
  white-space: nowrap !important;
}

/* 飞机票特权条目清单 (Privileges) */
.ticket-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
  flex-grow: 1;
}

.ticket-feature-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--pass-ink);
  white-space: nowrap !important;
}

.ticket-feature-row.highlight {
  font-weight: 700;
}

.ticket-feature-row svg {
  width: 16px;
  height: 16px;
  color: var(--status-green);
  flex-shrink: 0;
}

/* 机票底部条形码存根联 (Ticket Stub & Barcode) */
.ticket-barcode-stub {
  background: var(--pass-ivory-dark);
  border-radius: 0 0 11px 11px;
  padding: 18px 20px 22px;
  border-top: 1px dashed var(--pass-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
}

.ticket-barcode-svg {
  width: 100%;
  height: 38px;
  fill: #111111;
}

[data-theme="dark"] .ticket-barcode-svg {
  fill: #f0f3fa;
  opacity: 0.85;
}

.ticket-barcode-num {
  font-family: "SF Mono", monospace;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--pass-subink);
  text-align: center;
  letter-spacing: 0.12em;
  white-space: nowrap !important;
}

/* -------------------------------------------------------------------
   9. 用户评价 (Traveler Testimonials)
   ------------------------------------------------------------------- */
.section-reviews {
  padding: 90px 0;
  background: var(--bg-surface-alt);
  transition: var(--transition-theme);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.review-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-sm);
}

.review-passenger-badge {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "SF Mono", monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 8px;
}

.review-stars {
  display: flex;
  gap: 4px;
  color: #ffb800;
  margin-bottom: 14px;
}

.review-stars svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.review-content {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.reviewer-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reviewer-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-terminal-steel);
  color: var(--solari-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "SF Mono", monospace;
  font-weight: 800;
  font-size: 1.05rem;
}

.reviewer-info {
  display: flex;
  flex-direction: column;
}

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

.reviewer-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* -------------------------------------------------------------------
   10. 常见问题解答 (FAQ Accordion)
   ------------------------------------------------------------------- */
.section-faq {
  padding: 90px 0;
}

.faq-container {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition-normal);
}

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

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 750;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  background: none;
  border: none;
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--primary-blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  max-height: 420px;
  padding-bottom: 22px;
}

/* -------------------------------------------------------------------
   11. 呼吁转换登机横幅 (Bottom Boarding CTA)
   ------------------------------------------------------------------- */
.section-cta-banner {
  padding: 80px 0;
}

.terminal-cta-box {
  background: var(--bg-terminal-steel);
  border: 2px solid #292d3b;
  border-radius: var(--radius-md);
  padding: 50px 36px;
  text-align: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.terminal-cta-box h2 {
  font-size: 2.3rem;
  font-weight: 850;
  margin-bottom: 14px;
  color: #ffffff;
}

.terminal-cta-box p {
  font-size: 1.1rem;
  color: #a3adbf;
  max-width: 680px;
  margin: 0 auto 30px;
  line-height: 1.7;
}

/* -------------------------------------------------------------------
   12. 页脚规范 (Footer - 只保留4个链接，打开新页面)
   ------------------------------------------------------------------- */
.site-footer {
  background: #0f1013;
  border-top: 1px solid #232733;
  padding: 48px 0 32px;
  color: #ffffff;
  transition: var(--transition-theme);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 850;
  letter-spacing: 0.05em;
  color: #ffffff;
}

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

.footer-nav a {
  font-size: 0.96rem;
  font-weight: 600;
  color: #9aa2b5;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--solari-amber);
  background: rgba(255, 184, 0, 0.1);
}

.footer-copyright {
  font-family: "SF Mono", monospace;
  font-size: 0.82rem;
  color: #6a7387;
  border-top: 1px solid #1e222d;
  padding-top: 22px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

/* -------------------------------------------------------------------
   13. 独立子页面通用样式 (Subpages)
   ------------------------------------------------------------------- */
.page-container {
  padding: 60px 0 90px;
  min-height: calc(100vh - var(--header-height) - 180px);
}

.subpage-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 48px;
  box-shadow: var(--shadow-sm);
  max-width: 900px;
  margin: 0 auto;
}

.subpage-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 22px;
  margin-bottom: 32px;
}

.subpage-header h1 {
  font-size: 2.2rem;
  font-weight: 850;
  color: var(--text-main);
  margin-bottom: 10px;
}

.subpage-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.subpage-body {
  color: var(--text-sub);
  line-height: 1.85;
}

.subpage-body h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 30px 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.subpage-body h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--primary-blue);
  border-radius: 2px;
}

[data-theme="dark"] .subpage-body h2::before {
  background: var(--solari-amber);
}

.subpage-body p {
  margin-bottom: 16px;
  font-size: 0.98rem;
}

.subpage-body ul, .subpage-body ol {
  margin: 14px 0 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.subpage-notice-box {
  background: var(--bg-surface-alt);
  border-left: 4px solid var(--primary-blue);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

[data-theme="dark"] .subpage-notice-box {
  border-left-color: var(--solari-amber);
}

.subpage-notice-danger {
  border-left-color: #ef4444;
  background: rgba(239, 68, 68, 0.08);
}

/* 推荐资讯卡片样式 */
.news-article-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-bottom: 24px;
  transition: var(--transition-fast);
}

.news-article-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-2px);
}

.news-meta {
  display: flex;
  gap: 14px;
  font-family: "SF Mono", monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.news-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
}

.news-excerpt {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.news-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary-blue);
}

.news-read-more:hover {
  transform: translateX(4px);
}

[data-theme="dark"] .news-read-more {
  color: var(--solari-amber);
}

/* ================= SEO 深度科普长文专用排版规范 ================= */
.article-container {
  max-width: 960px;
  margin: 0 auto;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.article-breadcrumb a:hover {
  color: var(--primary-blue);
}

.article-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.article-h1 {
  font-size: 2.35rem;
  font-weight: 900;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-family: "SF Mono", monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* 目录卡片 (Table of Contents / TOC) */
.article-toc-box {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--primary-blue);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  margin: 28px 0 36px;
}

[data-theme="dark"] .article-toc-box {
  border-left-color: var(--solari-amber);
}

.toc-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 4px;
}

.toc-link {
  font-size: 0.95rem;
  color: var(--text-sub);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.toc-link:hover {
  color: var(--primary-blue);
  transform: translateX(4px);
}

[data-theme="dark"] .toc-link:hover {
  color: var(--solari-amber);
}

/* 正文层级排版 */
.article-content {
  color: var(--text-sub);
  line-height: 1.85;
  font-size: 1.05rem;
}

.article-content h2 {
  font-size: 1.65rem;
  font-weight: 850;
  color: var(--text-main);
  margin: 48px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-content h2::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 22px;
  background: var(--primary-blue);
  border-radius: 2px;
}

[data-theme="dark"] .article-content h2::before {
  background: var(--solari-amber);
}

.article-content h3 {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 30px 0 14px;
}

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

.article-content ul, .article-content ol {
  margin: 16px 0 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.article-content li {
  line-height: 1.75;
}

.article-content strong {
  color: var(--text-main);
}

.article-content a.internal-keyword-link {
  color: var(--primary-blue);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: var(--transition-fast);
}

.article-content a.internal-keyword-link:hover {
  color: var(--primary-blue-hover);
  background: rgba(30, 80, 255, 0.08);
}

[data-theme="dark"] .article-content a.internal-keyword-link {
  color: var(--solari-amber);
}

/* 评测与对比数据表格 */
.article-table-wrap {
  overflow-x: auto;
  margin: 28px 0 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.article-table th {
  background: var(--bg-surface-alt);
  color: var(--text-main);
  padding: 14px 18px;
  font-weight: 800;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.article-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-sub);
}

.article-table tr:last-child td {
  border-bottom: none;
}

.article-table tr:hover td {
  background: rgba(30, 80, 255, 0.03);
}

/* 代码与配置代码块 */
.code-box {
  background: #111317;
  color: #e2e8f0;
  padding: 20px;
  border-radius: var(--radius-sm);
  font-family: "SF Mono", monospace;
  font-size: 0.9rem;
  overflow-x: auto;
  margin: 20px 0 28px;
  border: 1px solid #282c38;
}

/* 文章内置高转化 CTA 卡片 */
.article-cta-card {
  background: linear-gradient(135deg, #121316 0%, #1a1e28 100%);
  border: 1px solid #2b3142;
  border-radius: var(--radius-md);
  padding: 36px 32px;
  text-align: center;
  color: #ffffff;
  margin: 48px 0 52px;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.2);
}

.article-cta-card h3 {
  font-size: 1.6rem;
  font-weight: 850;
  margin-bottom: 12px;
  color: #ffffff;
}

.article-cta-card p {
  color: #a6b0c3;
  max-width: 650px;
  margin: 0 auto 24px;
  font-size: 1rem;
}

/* 文章末尾 FAQ */
.article-faq-section {
  margin-top: 50px;
  padding-top: 36px;
  border-top: 2px dashed var(--border-color);
}

.article-faq-section h2 {
  font-size: 1.55rem;
  font-weight: 850;
  color: var(--text-main);
  margin-bottom: 24px;
}

/* 相关阅读网格 (Related Articles) */
.related-reads-section {
  margin-top: 50px;
  padding-top: 36px;
  border-top: 1px solid var(--border-color);
}

.related-reads-section h2 {
  font-size: 1.4rem;
  font-weight: 850;
  color: var(--text-main);
  margin-bottom: 22px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.related-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-fast);
}

.related-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-2px);
}

.related-card h4 {
  font-size: 1.05rem;
  font-weight: 750;
  color: var(--text-main);
  margin-bottom: 8px;
  line-height: 1.4;
}

.related-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 24px;
}

.sitemap-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 22px;
}

.sitemap-card h3 {
  font-size: 1.1rem;
  font-weight: 750;
  color: var(--text-main);
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.sitemap-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sitemap-card a {
  color: var(--text-sub);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 500;
}

.sitemap-card a:hover {
  color: var(--primary-blue);
  transform: translateX(4px);
}

/* -------------------------------------------------------------------
   14. 响应式适配 (Responsive Media Queries - 手机端单栏化与大触控)
   ------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .solari-table-head,
  .solari-row {
    grid-template-columns: 80px 140px 80px 100px 1fr 110px;
    font-size: 0.85rem;
  }

  .boarding-pass-card {
    flex-direction: column;
  }

  .pass-stub-section {
    border-radius: 0 0 var(--radius-pass) var(--radius-pass);
    border-top: 2px dashed #b5b2a9;
    padding: 28px 24px;
  }

  .pass-perforation-divider {
    display: none;
  }

  .features-grid,
  .pricing-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ticket-card.popular {
    transform: none;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .hero-main-title {
    font-size: 2.1rem;
  }

  .hero-intro-text {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: #121316;
    border-bottom: 1px solid #282c37;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    display: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-link {
    font-size: 1rem;
    width: 100%;
    text-align: center;
  }

  /* 翻牌表在手机端精简化 */
  .solari-table-head {
    display: none;
  }

  .solari-row {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px;
  }

  .solari-row .cell-route,
  .solari-row .cell-action {
    grid-column: span 2;
  }

  /* 登机牌手机端排版 */
  .pass-main-section {
    padding: 24px 18px;
  }

  .pass-port-code {
    font-size: 2rem;
  }

  .pass-data-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 12px;
  }

  .pass-barcode-box {
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
  }

  .features-grid,
  .services-split-grid,
  .pricing-grid,
  .reviews-grid,
  .sitemap-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .subpage-card {
    padding: 24px 16px;
  }

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

@media (max-width: 480px) {
  .hero-main-title {
    font-size: 1.8rem;
  }

  .pass-flight-route-indicator .route-line {
    width: 40px;
  }

  .barcode-stripes-svg {
    width: 180px;
  }
}