/* ==========================================================================
   秒秒云机场官网 - 星际摆渡 / 空间站对接风 (Cosmic Ferry & Orbital Docking)
   视觉基调：深钛灰机甲舱体、太空舷窗深空蓝配警示琥珀金
   ========================================================================== */

:root {
  --bg-deep-space: #050811;
  --bg-hull-dark: #0a0e17;
  --bg-hull-plate: #101726;
  --bg-hull-sub: #162033;
  --bg-cockpit-hud: rgba(14, 22, 38, 0.88);
  --bg-glass-panel: rgba(18, 28, 48, 0.65);
  
  --titanium-border: #223249;
  --titanium-border-light: #374e70;
  --titanium-metal: #8a9bb2;
  
  --amber-warning: #ffaa00;
  --amber-warning-glow: rgba(255, 170, 0, 0.35);
  --amber-gold: #f59e0b;
  --amber-bright: #fbbf24;
  
  --cyan-hud: #00f0ff;
  --cyan-hud-glow: rgba(0, 240, 255, 0.35);
  --cyan-hud-dim: #0284c7;
  
  --green-online: #00ff9d;
  --green-glow: rgba(0, 255, 157, 0.3);
  --red-alert: #ff3b57;
  
  --text-main: #f1f5f9;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  
  --hazard-stripe: repeating-linear-gradient(
    -45deg,
    #ffaa00,
    #ffaa00 12px,
    #111827 12px,
    #111827 24px
  );
  --hazard-stripe-subtle: repeating-linear-gradient(
    -45deg,
    rgba(255, 170, 0, 0.15),
    rgba(255, 170, 0, 0.15) 8px,
    transparent 8px,
    transparent 16px
  );
  
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--bg-deep-space);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  overflow-x: hidden;
  background-color: var(--bg-deep-space);
  min-height: 100vh;
}

/* 动态背景 Canvas 容器 */
#space-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* 全局机甲 HUD 网格覆盖层 */
.cockpit-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at center, rgba(6, 11, 24, 0.3) 0%, rgba(3, 6, 12, 0.85) 90%),
    linear-gradient(rgba(0, 240, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
  pointer-events: none;
  z-index: 1;
}

/* 顶部跑马灯通报 */
.hud-ticker-bar {
  position: relative;
  z-index: 100;
  background: linear-gradient(90deg, #090e18 0%, #151f30 50%, #090e18 100%);
  border-bottom: 1px solid var(--titanium-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 1.2rem;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--cyan-hud);
}

.hud-ticker-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow: hidden;
}

.ticker-badge {
  background: var(--hazard-stripe);
  color: #000;
  font-weight: 800;
  padding: 0.15rem 0.55rem;
  border-radius: 2px;
  font-size: 0.72rem;
  letter-spacing: 1px;
  white-space: nowrap;
  animation: pulseHazard 2s infinite ease-in-out;
}

.ticker-marquee {
  white-space: nowrap;
  color: #cbd5e1;
}

.ticker-marquee b {
  color: var(--amber-gold);
}

.hud-telemetry-status {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  white-space: nowrap;
}

.telemetry-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-dim);
}

.led-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.led-green {
  background: var(--green-online);
  box-shadow: 0 0 8px var(--green-online);
  animation: blinkGreen 1.6s infinite ease-in-out;
}

.led-amber {
  background: var(--amber-warning);
  box-shadow: 0 0 8px var(--amber-warning);
}

/* 顶部机甲导航栏 */
.cockpit-navbar {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--bg-cockpit-hud);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--titanium-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.logo-shuttle-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1px solid var(--cyan-hud);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--cyan-hud-glow);
  position: relative;
  overflow: hidden;
}

.logo-shuttle-icon::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.4), transparent);
  animation: scanLight 3s infinite;
}

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

.brand-name {
  font-size: 1.28rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.8px;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.brand-name span {
  color: var(--amber-gold);
}

.brand-code {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--cyan-hud);
  letter-spacing: 1.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.6rem;
}

.nav-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all 0.25s ease;
  position: relative;
  padding: 0.4rem 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link:hover,
.nav-link.active {
  color: var(--cyan-hud);
  text-shadow: 0 0 10px var(--cyan-hud-glow);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--cyan-hud);
  box-shadow: 0 0 8px var(--cyan-hud);
  transition: width 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-badge-kb {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--amber-warning);
  color: var(--amber-bright);
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-dock-quick {
  background: linear-gradient(135deg, #1e2a3a 0%, #111a28 100%);
  border: 1px solid var(--cyan-hud);
  color: var(--cyan-hud);
  padding: 0.55rem 1.15rem;
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
  text-decoration: none;
}

.btn-dock-quick:hover {
  background: var(--cyan-hud);
  color: #050811;
  box-shadow: 0 0 20px var(--cyan-hud-glow);
  transform: translateY(-1px);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--titanium-border-light);
  color: var(--cyan-hud);
  width: 40px;
  height: 40px;
  border-radius: 4px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* 主内容容器 */
.content-wrapper {
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   SECTION 1: HERO 座舱视口 (Cockpit Viewport)
   ========================================================================== */
.cockpit-hero-section {
  padding: 2rem 0 4rem 0;
}

/* 穿梭机座舱重型框架 */
.cockpit-frame-outer {
  background: var(--bg-hull-dark);
  border: 2px solid var(--titanium-border-light);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), inset 0 0 40px rgba(0, 240, 255, 0.05);
  position: relative;
  overflow: hidden;
}

/* 舱体铆钉与警示条纹边框 */
.cockpit-frame-header {
  background: linear-gradient(90deg, #121a28 0%, #1e2b40 50%, #121a28 100%);
  border-bottom: 2px solid var(--titanium-border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.shuttle-id-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--amber-gold);
  font-weight: 700;
}

.shuttle-id-badge .flight-code {
  color: #fff;
  background: rgba(245, 158, 11, 0.2);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--amber-warning);
}

.cockpit-flight-telemetry {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  color: var(--cyan-hud);
}

/* 舷窗与中控三联分屏网格 */
.cockpit-visor-grid {
  display: grid;
  grid-template-columns: 320px 1fr 320px;
  gap: 1.5rem;
  padding: 2rem;
  background: radial-gradient(ellipse at 50% 30%, rgba(13, 27, 49, 0.6) 0%, rgba(6, 11, 20, 0.95) 100%);
  position: relative;
}

/* 左右舷窗通用外框 */
.porthole-window {
  background: var(--bg-cockpit-hud);
  border: 1px solid var(--titanium-border);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.05);
}

.window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--titanium-border);
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
}

.window-title {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--cyan-hud);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  letter-spacing: 0.5px;
}

.window-tag {
  font-size: 0.68rem;
  background: rgba(0, 240, 255, 0.12);
  color: var(--cyan-hud);
  padding: 2px 5px;
  border-radius: 2px;
  font-family: var(--font-mono);
}

/* 左舷窗：实时雷达与微引力丢包监控 */
.radar-display-box {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background: radial-gradient(circle, #0e1d33 0%, #060b14 75%);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 50%;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.15);
}

.radar-grid-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(0, 240, 255, 0.25);
  border-radius: 50%;
  pointer-events: none;
}
.circle-1 { width: 35%; height: 35%; }
.circle-2 { width: 68%; height: 68%; }
.circle-3 { width: 95%; height: 95%; }

.radar-axis-x {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(0, 240, 255, 0.2);
}
.radar-axis-y {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: rgba(0, 240, 255, 0.2);
}

.radar-sweeper {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 50%;
  transform-origin: 0% 0%;
  background: linear-gradient(45deg, rgba(0, 240, 255, 0.6) 0%, rgba(0, 240, 255, 0) 70%);
  animation: radarRotate 3.2s linear infinite;
  pointer-events: none;
}

.radar-blip {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-online);
  box-shadow: 0 0 10px var(--green-online);
  animation: blipGlow 2s infinite ease-in-out;
}
.blip-hk { top: 38%; left: 62%; }
.blip-tyo { top: 28%; left: 74%; }
.blip-sg { top: 65%; left: 45%; }
.blip-us { top: 42%; left: 82%; }
.blip-de { top: 25%; left: 30%; }

.radar-node-label {
  position: absolute;
  font-size: 0.62rem;
  font-family: var(--font-mono);
  color: var(--cyan-hud);
  transform: translate(8px, -4px);
}

/* 微引力 / 丢包数据指标 */
.telemetry-metrics-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  background: rgba(10, 16, 28, 0.6);
  padding: 0.35rem 0.6rem;
  border-left: 2px solid var(--cyan-hud);
}

.metric-label {
  color: var(--text-dim);
}

.metric-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: #fff;
}

.metric-val.green {
  color: var(--green-online);
}

.metric-val.amber {
  color: var(--amber-gold);
}

/* 中控视口 (Center Flight Visor) */
.center-cockpit-visor {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1rem;
  position: relative;
}

.mission-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--amber-warning);
  color: var(--amber-bright);
  padding: 0.35rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
  box-shadow: 0 0 15px var(--amber-warning-glow);
}

.hero-main-title {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, #ffffff 30%, #e2e8f0 70%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.5px;
}

.hero-main-title .gradient-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 60%, #ff8800 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-slogan-box {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--titanium-border);
  border-radius: 8px;
  padding: 1.15rem 1.6rem;
  margin-bottom: 2rem;
  max-width: 680px;
  backdrop-filter: blur(8px);
}

.slogan-primary {
  font-size: 1.15rem;
  font-weight: 700;
  color: #f8fafc;
  margin-bottom: 0.4rem;
  letter-spacing: 0.4px;
}

.slogan-secondary {
  font-size: 0.95rem;
  color: var(--text-dim);
  letter-spacing: 0.2px;
}

/* ==========================================================================
   主 CTA 机甲拉手：[ 启动摆渡跃迁引擎 ]
   ========================================================================== */
.hyperdrive-lever-console {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.lever-housing-base {
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border: 2px solid var(--amber-warning);
  border-radius: 8px;
  padding: 1.2rem 2.2rem;
  box-shadow: 0 0 35px var(--amber-warning-glow), inset 0 0 20px rgba(0, 0, 0, 0.9);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lever-housing-base:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 45px rgba(255, 170, 0, 0.55), inset 0 0 25px rgba(0, 0, 0, 0.9);
}

.safety-cover-plate {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--hazard-stripe);
  color: #000;
  font-weight: 900;
  font-size: 0.68rem;
  padding: 2px 14px;
  border-radius: 3px;
  letter-spacing: 1px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  z-index: 5;
}

.lever-handle-btn {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
  color: #000;
  font-size: 1.32rem;
  font-weight: 900;
  letter-spacing: 1.5px;
  padding: 0.9rem 2.5rem;
  border-radius: 6px;
  border: 1px solid #fef08a;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4), inset 0 1px 1px #fff;
  transition: all 0.2s ease;
}

.lever-housing-base:hover .lever-handle-btn {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  box-shadow: 0 6px 25px rgba(245, 158, 11, 0.7), inset 0 1px 1px #fff;
}

.lever-handle-btn:active,
.lever-housing-base.active .lever-handle-btn {
  transform: translateY(4px);
  box-shadow: 0 1px 5px rgba(245, 158, 11, 0.5);
}

.lever-icon-pulse {
  font-size: 1.5rem;
  animation: rocketShake 1.8s infinite ease-in-out;
}

.lever-status-subtext {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber-bright);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-quick-specs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.25rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.hero-quick-specs span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-quick-specs span b {
  color: #fff;
}

/* 右舷窗：客舱等级与专线带宽通量 */
.bandwidth-throughput-gauge {
  background: rgba(10, 16, 28, 0.7);
  border: 1px solid var(--titanium-border);
  border-radius: 6px;
  padding: 1rem;
  margin-bottom: 1rem;
  text-align: center;
}

.gauge-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-bottom: 0.4rem;
}

.gauge-speed-number {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--cyan-hud);
  text-shadow: 0 0 12px var(--cyan-hud-glow);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}

.gauge-speed-number small {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.gauge-waveform {
  width: 100%;
  height: 48px;
  margin-top: 0.6rem;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  justify-content: space-between;
}

.wave-bar {
  width: 100%;
  background: var(--cyan-hud);
  border-radius: 1px 1px 0 0;
  opacity: 0.85;
  transition: height 0.3s ease;
}

.cabin-class-card {
  background: rgba(15, 23, 42, 0.6);
  border-left: 2px solid var(--amber-warning);
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.6rem;
  font-size: 0.78rem;
}

.cabin-class-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.3rem;
}

.cabin-title {
  color: #fff;
  font-weight: 700;
}

.cabin-badge {
  color: var(--amber-gold);
  font-size: 0.7rem;
  font-family: var(--font-mono);
}

.cabin-desc {
  color: var(--text-dim);
  font-size: 0.72rem;
  line-height: 1.4;
}

/* ==========================================================================
   SECTION 3: 节点延迟和状态板块 (Live Nodes & Latency Telemetry)
   ========================================================================== */
.section-block {
  padding: 5rem 0 3rem 0;
  position: relative;
}

.section-header-cockpit {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3rem auto;
}

.section-telemetry-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan-hud);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  margin-bottom: 0.8rem;
  letter-spacing: 1px;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.75rem;
  letter-spacing: 0.5px;
}

.section-subtitle {
  color: var(--text-dim);
  font-size: 1rem;
}

/* 节点控制仪表盘 */
.nodes-control-dashboard {
  background: var(--bg-hull-plate);
  border: 1px solid var(--titanium-border);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.nodes-dashboard-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--titanium-border);
  padding-bottom: 1.2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.nodes-filter-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-filter-node {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--titanium-border-light);
  color: var(--text-dim);
  padding: 0.4rem 0.85rem;
  border-radius: 4px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-filter-node:hover,
.btn-filter-node.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--cyan-hud);
  color: var(--cyan-hud);
}

.btn-refresh-ping {
  background: linear-gradient(135deg, #1e293b 0%, #111a28 100%);
  border: 1px solid var(--green-online);
  color: var(--green-online);
  padding: 0.45rem 1rem;
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.btn-refresh-ping:hover {
  background: var(--green-online);
  color: #050811;
  box-shadow: 0 0 15px var(--green-glow);
}

/* 节点卡片网格 */
.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.25rem;
}

.node-card {
  background: rgba(11, 16, 26, 0.85);
  border: 1px solid var(--titanium-border);
  border-radius: 8px;
  padding: 1.2rem;
  position: relative;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.node-card:hover {
  border-color: var(--cyan-hud);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.12);
}

.node-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.node-flag-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.node-flag-icon {
  font-size: 1.4rem;
}

.node-name {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.node-subcode {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.node-status-badge {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--green-online);
  background: rgba(0, 255, 157, 0.1);
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid rgba(0, 255, 157, 0.25);
}

.node-telemetry-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  background: rgba(15, 23, 42, 0.5);
  padding: 0.6rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.85rem;
  text-align: center;
}

.node-stat-item .stat-title {
  font-size: 0.68rem;
  color: var(--text-dim);
  display: block;
}

.node-stat-item .stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.88rem;
  color: #fff;
}

.node-stat-item .stat-value.latency {
  color: var(--green-online);
}

.node-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.4rem;
}

.node-tag-item {
  font-size: 0.68rem;
  padding: 2px 6px;
  border-radius: 2px;
  background: rgba(30, 41, 59, 0.8);
  color: var(--text-dim);
  border: 1px solid var(--titanium-border);
}

.node-tag-item.highlight {
  color: var(--amber-gold);
  border-color: rgba(245, 158, 11, 0.4);
  background: rgba(245, 158, 11, 0.08);
}

/* ==========================================================================
   SECTION 4: 套餐价格板块 (Pricing Tiers) & 核心优势板块 (Core Strengths)
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
  margin-bottom: 5rem;
}

.pricing-card {
  background: var(--bg-hull-plate);
  border: 1px solid var(--titanium-border);
  border-radius: 10px;
  padding: 2rem 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: var(--cyan-hud);
  box-shadow: 0 12px 35px rgba(0, 240, 255, 0.15);
}

.pricing-card.featured {
  border: 2px solid var(--amber-warning);
  background: linear-gradient(180deg, #162238 0%, #0f172a 100%);
  box-shadow: 0 0 35px var(--amber-warning-glow);
}

.pricing-featured-ribbon {
  position: absolute;
  top: 16px;
  right: -32px;
  transform: rotate(45deg);
  background: var(--hazard-stripe);
  color: #000;
  font-weight: 900;
  font-size: 0.65rem;
  letter-spacing: 1px;
  padding: 4px 35px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.pricing-tier-header {
  margin-bottom: 1.5rem;
}

.pricing-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--cyan-hud);
  letter-spacing: 1px;
  margin-bottom: 0.4rem;
  display: block;
}

.pricing-name {
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.4rem;
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  min-height: 40px;
}

.pricing-cost-box {
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--titanium-border);
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.pricing-currency {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--amber-gold);
}

.pricing-amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: #fff;
  font-family: var(--font-mono);
}

.pricing-period {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-main);
}

.pricing-feature-item .icon-check {
  color: var(--green-online);
  font-weight: 900;
}

.pricing-feature-item b {
  color: var(--cyan-hud);
}

.btn-dock-tier {
  display: block;
  text-align: center;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1px solid var(--cyan-hud);
  color: var(--cyan-hud);
  padding: 0.85rem 1.2rem;
  border-radius: 6px;
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.5px;
}

.btn-dock-tier:hover {
  background: var(--cyan-hud);
  color: #050811;
  box-shadow: 0 0 20px var(--cyan-hud-glow);
}

.pricing-card.featured .btn-dock-tier {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  border-color: #fef08a;
  color: #000;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.pricing-card.featured .btn-dock-tier:hover {
  background: #fbbf24;
  box-shadow: 0 0 25px rgba(255, 170, 0, 0.7);
}

/* 核心优势板块机甲矩阵 */
.core-advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
}

.advantage-card {
  background: var(--bg-hull-plate);
  border: 1px solid var(--titanium-border);
  border-radius: 8px;
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}

.advantage-card:hover {
  border-color: var(--cyan-hud);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.1);
}

.advantage-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--cyan-hud);
}

.advantage-card.amber-accent::before {
  background: var(--amber-warning);
}

.advantage-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--cyan-hud);
  margin-bottom: 1.25rem;
}

.advantage-card.amber-accent .advantage-icon-box {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--amber-gold);
}

.advantage-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.6rem;
}

.advantage-text {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ==========================================================================
   SECTION 5: 常见问题 FAQ (Airlock Security Protocols)
   ========================================================================== */
.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-accordion-item {
  background: var(--bg-hull-plate);
  border: 1px solid var(--titanium-border);
  border-radius: 6px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-accordion-item.active {
  border-color: var(--cyan-hud);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 1rem;
}

.faq-q-indicator {
  font-family: var(--font-mono);
  color: var(--cyan-hud);
  font-size: 0.85rem;
  margin-right: 0.5rem;
}

.faq-icon-arrow {
  color: var(--cyan-hud);
  font-size: 0.9rem;
  transition: transform 0.3s ease;
}

.faq-accordion-item.active .faq-icon-arrow {
  transform: rotate(180deg);
  color: var(--amber-gold);
}

.faq-answer-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: rgba(10, 16, 28, 0.6);
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-accordion-item.active .faq-answer-body {
  max-height: 400px;
  padding: 0 1.5rem 1.5rem 1.5rem;
}

/* 引导前往知识库的独立机甲通讯港 */
.kb-entry-banner {
  margin-top: 3.5rem;
  background: linear-gradient(135deg, #152238 0%, #0d1626 100%);
  border: 2px dashed var(--titanium-border-light);
  border-radius: 10px;
  padding: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.kb-banner-info {
  max-width: 650px;
}

.kb-banner-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.kb-banner-desc {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.btn-open-kb {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000;
  font-weight: 800;
  font-size: 1rem;
  padding: 0.85rem 1.8rem;
  border-radius: 6px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-open-kb:hover {
  background: #fbbf24;
  box-shadow: 0 0 25px rgba(255, 170, 0, 0.7);
  transform: translateY(-2px);
}

/* ==========================================================================
   SECTION 6: 用户评价板块 (Pilot Testimonials)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.pilot-card {
  background: var(--bg-hull-plate);
  border: 1px solid var(--titanium-border);
  border-radius: 8px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.pilot-card:hover {
  border-color: var(--cyan-hud);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 240, 255, 0.1);
}

.pilot-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.pilot-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #1e293b;
  border: 1px solid var(--cyan-hud);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.pilot-meta .pilot-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.pilot-meta .pilot-role {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.pilot-rating {
  color: var(--amber-gold);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.pilot-review {
  font-size: 0.88rem;
  color: #cbd5e1;
  line-height: 1.6;
}

.pilot-flight-tag {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--titanium-border);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan-hud);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   机甲舱门对接弹窗 (Docking Sequence Modal)
   ========================================================================== */
.docking-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.docking-modal-overlay.active {
  display: flex;
}

.docking-console-box {
  width: 100%;
  max-width: 580px;
  background: var(--bg-hull-dark);
  border: 2px solid var(--cyan-hud);
  border-radius: 10px;
  box-shadow: 0 0 50px var(--cyan-hud-glow);
  position: relative;
  overflow: hidden;
  animation: modalEnter 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.docking-modal-header {
  background: linear-gradient(90deg, #101929 0%, #1c2a40 100%);
  border-bottom: 1px solid var(--titanium-border-light);
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan-hud);
}

.btn-close-docking {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
}

.btn-close-docking:hover {
  color: var(--red-alert);
}

.docking-modal-content {
  padding: 2rem;
  text-align: center;
}

.docking-airlock-graphic {
  width: 100px;
  height: 100px;
  margin: 0 auto 1.5rem auto;
  border-radius: 50%;
  border: 3px dashed var(--cyan-hud);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  position: relative;
  animation: airlockRotate 8s linear infinite;
}

.docking-step-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.5rem;
}

.docking-step-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.docking-progress-track {
  width: 100%;
  height: 8px;
  background: #1e293b;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
  position: relative;
}

.docking-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan-hud) 0%, var(--green-online) 100%);
  transition: width 0.3s ease;
}

.docking-terminal-log {
  background: #050811;
  border: 1px solid var(--titanium-border);
  border-radius: 4px;
  padding: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green-online);
  text-align: left;
  height: 90px;
  overflow-y: auto;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.btn-complete-docking {
  display: inline-block;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #000;
  font-weight: 900;
  font-size: 1.1rem;
  padding: 0.85rem 2.2rem;
  border-radius: 6px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-complete-docking:hover {
  background: #fbbf24;
  box-shadow: 0 0 30px rgba(255, 170, 0, 0.8);
}

/* ==========================================================================
   机甲底座与页脚 (Cockpit Footer)
   注意：严格遵循用户要求，不包含 sitemap.xml 与 robots.txt
   ========================================================================== */
.cockpit-footer {
  margin-top: 5rem;
  background: var(--bg-hull-dark);
  border-top: 2px solid var(--titanium-border);
  position: relative;
  z-index: 10;
  padding: 3rem 0 2rem 0;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand-summary {
  max-width: 450px;
}

.footer-brand-summary p {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-top: 0.75rem;
  line-height: 1.6;
}

.footer-nav-columns {
  display: flex;
  gap: 3.5rem;
  flex-wrap: wrap;
}

.footer-col-title {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-link-item a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s ease;
}

.footer-link-item a:hover {
  color: var(--cyan-hud);
}

.footer-bottom-bar {
  border-top: 1px solid var(--titanium-border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ==========================================================================
   知识库单页与文章页面专用样式 (Knowledge Base & Article Layout)
   ========================================================================== */
.kb-hero-header {
  padding: 3rem 0 2rem 0;
  text-align: center;
}

.kb-search-container {
  max-width: 600px;
  margin: 1.5rem auto 0 auto;
  position: relative;
}

.kb-search-input {
  width: 100%;
  background: var(--bg-hull-plate);
  border: 1px solid var(--titanium-border-light);
  border-radius: 6px;
  padding: 0.85rem 1.25rem 0.85rem 2.8rem;
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.kb-search-input:focus {
  border-color: var(--cyan-hud);
  box-shadow: 0 0 15px var(--cyan-hud-glow);
}

.kb-search-icon {
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.kb-filter-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.kb-filter-pill {
  background: rgba(16, 23, 38, 0.8);
  border: 1px solid var(--titanium-border);
  color: var(--text-dim);
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.kb-filter-pill:hover,
.kb-filter-pill.active {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--cyan-hud);
  color: var(--cyan-hud);
}

.kb-articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0 5rem 0;
}

.kb-article-card {
  background: var(--bg-hull-plate);
  border: 1px solid var(--titanium-border);
  border-radius: 8px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
  text-decoration: none;
}

.kb-article-card:hover {
  border-color: var(--amber-warning);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px var(--amber-warning-glow);
}

.article-card-badge {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--amber-gold);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.article-card-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.article-card-snippet {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.article-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--titanium-border);
  padding-top: 0.75rem;
  font-family: var(--font-mono);
}

.article-read-link {
  color: var(--cyan-hud);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* 知识库单篇长文排版 */
.article-detail-container {
  max-width: 900px;
  margin: 2rem auto 5rem auto;
  background: var(--bg-hull-plate);
  border: 1px solid var(--titanium-border);
  border-radius: 10px;
  padding: 3rem 2.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
}

.article-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.article-breadcrumbs a {
  color: var(--cyan-hud);
  text-decoration: none;
}

.article-detail-title {
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 1rem;
}

.article-detail-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  border-bottom: 1px solid var(--titanium-border);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.article-content {
  font-size: 1.02rem;
  line-height: 1.8;
  color: #cbd5e1;
}

.article-content h2 {
  font-size: 1.5rem;
  color: #fff;
  margin: 2rem 0 1rem 0;
  border-left: 4px solid var(--amber-warning);
  padding-left: 0.85rem;
}

.article-content h3 {
  font-size: 1.25rem;
  color: var(--cyan-hud);
  margin: 1.5rem 0 0.75rem 0;
}

.article-content p {
  margin-bottom: 1.2rem;
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.5rem 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content blockquote {
  background: rgba(15, 23, 42, 0.8);
  border-left: 4px solid var(--cyan-hud);
  padding: 1rem 1.25rem;
  border-radius: 0 6px 6px 0;
  margin: 1.5rem 0;
  color: #94a3b8;
}

.article-content code {
  font-family: var(--font-mono);
  background: #090e17;
  color: var(--amber-gold);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  border: 1px solid var(--titanium-border);
}

.article-content pre {
  background: #090e17;
  border: 1px solid var(--titanium-border);
  border-radius: 6px;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-content pre code {
  background: transparent;
  padding: 0;
  border: none;
  color: #e2e8f0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}

.article-content th,
.article-content td {
  border: 1px solid var(--titanium-border);
  padding: 0.75rem 1rem;
  text-align: left;
}

.article-content th {
  background: #111a28;
  color: var(--cyan-hud);
}

.article-cta-box {
  background: linear-gradient(135deg, #162438 0%, #0d1624 100%);
  border: 2px solid var(--amber-warning);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  margin-top: 3rem;
}

.article-cta-box h3 {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 0.6rem;
}

/* ==========================================================================
   动画与关键帧
   ========================================================================== */
@keyframes radarRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes blipGlow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
}

@keyframes blinkGreen {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes pulseHazard {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 1; filter: brightness(1.2); }
}

@keyframes scanLight {
  0% { left: -100%; }
  100% { left: 150%; }
}

@keyframes rocketShake {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes modalEnter {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes airlockRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   响应式断点适配 (Responsive Design)
   ========================================================================== */
@media (max-width: 1200px) {
  .cockpit-visor-grid {
    grid-template-columns: 280px 1fr 280px;
    gap: 1rem;
    padding: 1.5rem;
  }
  .hero-main-title {
    font-size: 2.1rem;
  }
}

@media (max-width: 992px) {
  .cockpit-visor-grid {
    grid-template-columns: 1fr;
  }
  .porthole-window {
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
  }
  .hud-telemetry-status {
    display: none;
  }
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-hull-dark);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.25rem;
    border-bottom: 2px solid var(--titanium-border);
    transform: translateY(-150%);
    transition: transform 0.3s ease;
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .core-advantages-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-main-title {
    font-size: 1.65rem;
  }
  .slogan-primary {
    font-size: 0.98rem;
  }
  .slogan-secondary {
    font-size: 0.85rem;
  }
  .lever-handle-btn {
    font-size: 1.05rem;
    padding: 0.8rem 1.5rem;
  }
  .cockpit-frame-header {
    flex-direction: column;
    gap: 0.4rem;
    align-items: flex-start;
  }
  .article-detail-container {
    padding: 1.5rem 1rem;
  }
  .article-detail-title {
    font-size: 1.5rem;
  }
}