/* ==========================================================================
   烤肠yun (kaocangyun.lol) — 先锋超跑机能 × 赛博电影画报视觉系统
   [CYBER-KINETIC HYPERCAR TELEMETRY & CINEMATIC FILM EDITORIAL]
   彻底重构：
   - 告别一切左右双栏分栏模板套路
   - 采用全幅宽巨幕中控 + 仪表盘转速表动效 + 赛车起步弹射按钮 + 电影胶卷级文章画报排版
   - 配色：夜色赛道深沥青 (#0A0D12) + 碳素面板 (#121721) + 氮气蓝青 (#00F0FF) + 转速红线 (#FF3366) + 赛道金 (#FFB800)
   ========================================================================== */

:root {
  --race-void: #0A0D12;
  --race-chassis: #121721;
  --race-cockpit: #1A2230;
  --race-cockpit-alt: #222C3E;
  --text-pure: #F0F6FC;
  --text-muted: #8B9BB4;
  --nitro-cyan: #00F0FF;
  --nitro-glow: rgba(0, 240, 255, 0.28);
  --redline-crimson: #FF3366;
  --redline-glow: rgba(255, 51, 102, 0.35);
  --trophy-gold: #FFB800;
  --trophy-glow: rgba(255, 184, 0, 0.3);
  --border-line: #232E40;
  --border-bright: #384A66;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", "PingFang SC", monospace;
  --viewport-width: 1240px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-pure);
  background-color: var(--race-void);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--race-void);
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(0, 240, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 90%, rgba(255, 51, 102, 0.08) 0%, transparent 50%),
    repeating-linear-gradient(0deg, rgba(35, 46, 64, 0.25) 0px, rgba(35, 46, 64, 0.25) 1px, transparent 1px, transparent 40px),
    repeating-linear-gradient(90deg, rgba(35, 46, 64, 0.25) 0px, rgba(35, 46, 64, 0.25) 1px, transparent 1px, transparent 40px);
  padding-bottom: 74px;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

a {
  color: var(--nitro-cyan);
  text-decoration: none;
  transition: all 0.18s ease;
}

a:hover {
  color: var(--trophy-gold);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--nitro-cyan);
  outline-offset: 3px;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  list-style: none;
}

.speed-canvas {
  width: 100%;
  max-width: var(--viewport-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* --------------------------------------------------------------------------
   顶部全景转速与阅读进度条 (HUD RPM Speed Strip)
   -------------------------------------------------------------------------- */
.rpm-hud-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  z-index: 220;
  background: rgba(18, 23, 33, 0.9);
}

.rpm-hud-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--nitro-cyan) 0%, var(--trophy-gold) 70%, var(--redline-crimson) 100%);
  box-shadow: 0 0 12px var(--nitro-cyan);
  transition: width 0.08s linear;
}

/* --------------------------------------------------------------------------
   领航中控台导航顶栏 (Cockpit Console Header)
   -------------------------------------------------------------------------- */
.cockpit-nav {
  position: sticky;
  top: 0;
  z-index: 150;
  height: 68px;
  background-color: rgba(10, 13, 18, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 2px solid var(--border-bright);
}

.cockpit-nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.cockpit-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--text-pure);
  letter-spacing: -0.01em;
}

.cockpit-logo-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  background-color: rgba(0, 240, 255, 0.12);
  border: 1px solid var(--nitro-cyan);
  color: var(--nitro-cyan);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.cockpit-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  background: var(--race-chassis);
  border: 1px solid var(--border-bright);
  color: var(--nitro-cyan);
  cursor: pointer;
}

.cockpit-menu {
  display: none;
  position: absolute;
  top: 68px;
  left: 0;
  right: 0;
  background-color: var(--race-chassis);
  border-bottom: 2px solid var(--nitro-cyan);
  padding: 16px 20px;
}

.cockpit-menu-open {
  display: block;
}

.cockpit-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cockpit-link-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 14px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-pure);
  background-color: var(--race-void);
  border: 1px solid var(--border-line);
}

.cockpit-link-item:hover,
.cockpit-link-item[aria-current="page"] {
  background-color: var(--race-cockpit);
  border-color: var(--nitro-cyan);
  color: var(--nitro-cyan);
}

@media (min-width: 860px) {
  .cockpit-toggle-btn {
    display: none;
  }

  .cockpit-menu {
    display: block;
    position: static;
    background: transparent;
    border-bottom: none;
    padding: 0;
  }

  .cockpit-links {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  .cockpit-link-item {
    background-color: transparent;
    border-color: transparent;
  }

  .cockpit-link-item:hover,
  .cockpit-link-item[aria-current="page"] {
    background-color: var(--race-chassis);
    border-color: var(--border-bright);
  }
}

/* --------------------------------------------------------------------------
   遥测面包屑信标栏 (Telemetry Breadcrumb Bar)
   -------------------------------------------------------------------------- */
.breadcrumb-bar {
  background-color: var(--race-chassis);
  border-bottom: 1px solid var(--border-line);
  padding: 12px 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.vessel-shell {
  width: 100%;
  max-width: var(--viewport-width);
  margin: 0 auto;
  padding: 0 20px;
}

.breadcrumb-bar__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
}

.breadcrumb-bar__link {
  color: var(--nitro-cyan);
  font-weight: 700;
}

.breadcrumb-bar__link:hover {
  color: var(--trophy-gold);
}

.breadcrumb-bar__list li[aria-current="page"] {
  color: var(--trophy-gold);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   先锋超跑弹射起步 CTA 按钮 (Launch Control / Ignition Triggers)
   -------------------------------------------------------------------------- */
.launch-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-decoration: none;
  text-transform: uppercase;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.launch-trigger::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: skewX(-20deg);
  transition: left 0.6s ease;
}

.launch-trigger:hover::before {
  left: 150%;
}

.launch-trigger-primary {
  background: linear-gradient(135deg, var(--nitro-cyan) 0%, #00B4D8 100%);
  color: #05080C;
  border: 1px solid var(--nitro-cyan);
  box-shadow: 0 4px 24px var(--nitro-glow), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.launch-trigger-primary:hover {
  background: linear-gradient(135deg, var(--trophy-gold) 0%, #FF9500 100%);
  border-color: var(--trophy-gold);
  color: #05080C;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px var(--trophy-glow);
}

.launch-trigger-secondary {
  background-color: var(--race-chassis);
  color: var(--text-pure);
  border: 1px solid var(--border-bright);
}

.launch-trigger-secondary:hover {
  background-color: var(--race-cockpit);
  border-color: var(--nitro-cyan);
  color: var(--nitro-cyan);
}

.launch-trigger-full {
  width: 100%;
}

.launch-led-pip {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--redline-crimson);
  box-shadow: 0 0 10px var(--redline-crimson);
  flex-shrink: 0;
  animation: ledPulse 1.8s ease-in-out infinite;
}

@keyframes ledPulse {
  0%, 100% { opacity: 0.6; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.15); box-shadow: 0 0 14px var(--redline-crimson); }
}

.launch-trigger-primary .launch-led-pip {
  background-color: #05080C;
  box-shadow: none;
  animation: none;
}

/* --------------------------------------------------------------------------
   首屏宽幅巨幕先锋控制台 (Cinematic Cockpit Monolith Hero)
   打破传统左右拆分：中置速度仪表盘 + 挡位模式选择器 + 弹射操作台
   -------------------------------------------------------------------------- */
.monolith-hero {
  position: relative;
  padding: 56px 0 72px;
  border-bottom: 2px solid var(--border-bright);
  background:
    radial-gradient(circle at 50% 30%, rgba(0, 240, 255, 0.14) 0%, transparent 65%),
    linear-gradient(180deg, rgba(18, 23, 33, 0.8) 0%, var(--race-void) 100%);
  text-align: center;
}

.monolith-marquee-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--trophy-gold);
  background-color: rgba(255, 184, 0, 0.12);
  border: 1px solid rgba(255, 184, 0, 0.45);
  padding: 6px 18px;
  margin-bottom: 22px;
  letter-spacing: 0.06em;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.monolith-title {
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--text-pure);
  margin: 0 auto 20px;
  max-width: 920px;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 24px rgba(0, 240, 255, 0.22);
}

.monolith-sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
}

/* 中置超跑交互式挡位转速表盘 (Interactive Dyno Tachometer) */
.tachometer-stage {
  max-width: 820px;
  margin: 0 auto 40px;
  background-color: var(--race-chassis);
  border: 1px solid var(--border-bright);
  padding: 28px 24px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  position: relative;
}

.tachometer-modes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.tacho-gear-btn {
  min-height: 48px;
  padding: 8px 12px;
  background-color: var(--race-void);
  border: 1px solid var(--border-line);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.tacho-gear-btn:hover,
.tacho-gear-btn.is-active {
  background-color: var(--race-cockpit);
  border-color: var(--nitro-cyan);
  color: var(--nitro-cyan);
  box-shadow: 0 0 16px var(--nitro-glow);
}

.tacho-gear-btn.is-track.is-active {
  border-color: var(--redline-crimson);
  color: var(--redline-crimson);
  box-shadow: 0 0 16px var(--redline-glow);
}

.tachometer-readout-hud {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background-color: var(--race-void);
  border: 1px solid var(--border-line);
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  text-align: left;
}

.tacho-msg-text {
  color: var(--nitro-cyan);
  font-weight: 700;
}

/* 弹射按钮居中操作台 */
.monolith-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  margin-bottom: 36px;
}

.monolith-specs-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.monolith-spec-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background-color: var(--race-chassis);
  border: 1px solid var(--border-line);
  border-left: 3px solid var(--nitro-cyan);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   全景通栏模块结构 (Full-Width Cinematic Cinema Strips)
   彻底抛弃左右拆分：标题大字通栏居中 + 宽幅展台网格
   -------------------------------------------------------------------------- */
.track-section {
  padding: 78px 0;
  border-bottom: 2px solid var(--border-line);
  position: relative;
}

.track-section-alt {
  background-color: rgba(18, 23, 33, 0.4);
}

.track-section-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 52px;
}

.track-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--nitro-cyan);
  background-color: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--nitro-cyan);
  padding: 4px 14px;
  margin-bottom: 14px;
  letter-spacing: 0.08em;
}

.track-title {
  font-size: clamp(1.85rem, 3.8vw, 2.5rem);
  font-weight: 900;
  color: var(--text-pure);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.track-desc {
  font-size: 1.08rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   模块 1：电影胶卷画幅使用场景 (Cinematic Film Reel Scenario Cards)
   -------------------------------------------------------------------------- */
.film-reel-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .film-reel-deck {
    grid-template-columns: repeat(3, 1fr);
  }
}

.film-reel-card {
  background-color: var(--race-chassis);
  border: 1px solid var(--border-bright);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.film-reel-card:hover {
  transform: translateY(-4px);
  border-color: var(--nitro-cyan);
  box-shadow: 0 10px 30px var(--nitro-glow);
}

.film-reel-perfs {
  height: 18px;
  background-color: var(--race-void);
  border-bottom: 1px solid var(--border-line);
  background-image: repeating-linear-gradient(90deg, #232E40 0px, #232E40 10px, transparent 10px, transparent 20px);
}

.film-reel-body {
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.film-reel-timecode {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--trophy-gold);
  margin-bottom: 12px;
}

.film-reel-device {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--nitro-cyan);
  background-color: rgba(0, 240, 255, 0.1);
  padding: 3px 10px;
  border-left: 2px solid var(--nitro-cyan);
  margin-bottom: 14px;
}

.film-reel-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-pure);
  margin-bottom: 12px;
}

.film-reel-desc {
  font-size: 0.96rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   模块 2：四大赛道性能测试能力舱 (Racing Dyno Feature Grid)
   -------------------------------------------------------------------------- */
.dyno-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 680px) {
  .dyno-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.dyno-item {
  background-color: var(--race-chassis);
  border: 1px solid var(--border-line);
  padding: 30px 24px;
  position: relative;
  transition: all 0.2s ease;
}

.dyno-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--nitro-cyan);
}

.dyno-gear-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--redline-crimson);
  margin-bottom: 10px;
  display: block;
}

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

.dyno-item-desc {
  font-size: 0.96rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.dyno-telemetry-bar {
  padding-top: 12px;
  border-top: 1px dashed var(--border-line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--trophy-gold);
}

/* --------------------------------------------------------------------------
   模块 3：维修站流媒体大牌展示台 (Pit Stop Streaming Garage)
   -------------------------------------------------------------------------- */
.pitstop-garage {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (min-width: 640px) {
  .pitstop-garage {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .pitstop-garage {
    grid-template-columns: repeat(6, 1fr);
  }
}

.pitstop-pod {
  background-color: var(--race-chassis);
  border: 1px solid var(--border-line);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.pitstop-pod:hover {
  transform: translateY(-3px);
  border-color: var(--nitro-cyan);
  background-color: var(--race-cockpit);
}

.pitstop-icon {
  width: 32px;
  height: 32px;
  color: var(--nitro-cyan);
}

.pitstop-name {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-pure);
}

.pitstop-route {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--trophy-gold);
}

/* --------------------------------------------------------------------------
   模块 4：领奖台式三阶排位套餐舱 (Podium Tachometer Pricing Ledger)
   打破并排死板卡片：主力推荐占 C 位领奖台，内嵌转速与马力配额表
   -------------------------------------------------------------------------- */
.podium-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: stretch;
}

@media (min-width: 920px) {
  .podium-stage {
    grid-template-columns: 1fr 1.15fr 1fr;
    align-items: center;
  }
}

.podium-card {
  background-color: var(--race-chassis);
  border: 1px solid var(--border-bright);
  padding: 34px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.podium-card-crown {
  background: linear-gradient(180deg, var(--race-cockpit) 0%, var(--race-chassis) 100%);
  border: 2px solid var(--nitro-cyan);
  box-shadow: 0 12px 48px var(--nitro-glow);
  transform: scale(1.03);
  z-index: 10;
}

@media (max-width: 919px) {
  .podium-card-crown {
    transform: none;
  }
}

.podium-rank-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 3px 12px;
  background-color: var(--trophy-gold);
  color: #05080C;
  margin-bottom: 12px;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.podium-tier-name {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-pure);
  margin-bottom: 10px;
}

.podium-price-dial {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--nitro-cyan);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-line);
}

.podium-meter-box {
  margin-bottom: 22px;
  background-color: var(--race-void);
  padding: 12px;
  border: 1px solid var(--border-line);
}

.podium-meter-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.podium-bar-track {
  height: 6px;
  background-color: var(--race-chassis);
  overflow: hidden;
}

.podium-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--nitro-cyan), var(--redline-crimson));
}

.podium-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
}

.podium-feat-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   模块 5：AI 超导引擎信道阵列 (AI Supercharger Bay)
   -------------------------------------------------------------------------- */
.ai-turbo-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .ai-turbo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .ai-turbo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ai-turbo-item {
  background-color: var(--race-chassis);
  border: 1px solid var(--border-line);
  padding: 24px;
  position: relative;
  transition: all 0.2s ease;
}

.ai-turbo-item:hover {
  border-color: var(--nitro-cyan);
  background-color: var(--race-cockpit);
}

.ai-turbo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.ai-turbo-badge {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--nitro-cyan);
  background-color: rgba(0, 240, 255, 0.1);
  padding: 2px 8px;
}

/* --------------------------------------------------------------------------
   模块 6：黑匣子声呐故障诊断与问答 (Black Box Diagnostic FAQ)
   -------------------------------------------------------------------------- */
.blackbox-deck {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.blackbox-log {
  background-color: var(--race-chassis);
  border: 1px solid var(--border-line);
  transition: border-color 0.2s ease;
}

.blackbox-log[open] {
  border-color: var(--nitro-cyan);
  background-color: var(--race-cockpit);
}

.blackbox-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 58px;
  padding: 16px 24px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-pure);
  cursor: pointer;
  list-style: none;
}

.blackbox-q::-webkit-details-marker {
  display: none;
}

.blackbox-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--trophy-gold);
  margin-right: 12px;
}

.blackbox-arrow {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--nitro-cyan);
}

.blackbox-a {
  padding: 18px 24px 24px;
  border-top: 1px dashed var(--border-line);
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* --------------------------------------------------------------------------
   终点冲线方格旗转化横幅 (Checkered Flag Final CTA)
   -------------------------------------------------------------------------- */
.checkered-banner {
  padding: 72px 0;
  background:
    repeating-linear-gradient(45deg, #121721 0px, #121721 20px, #0A0D12 20px, #0A0D12 40px);
  border-top: 3px solid var(--nitro-cyan);
  border-bottom: 2px solid var(--border-line);
  text-align: center;
}

.checkered-box {
  background-color: rgba(10, 13, 18, 0.92);
  border: 1px solid var(--border-bright);
  padding: 44px 28px;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.6);
}

/* 页脚 */
.cockpit-footer {
  margin-top: auto;
  background-color: #06080C;
  border-top: 1px solid var(--border-line);
  padding: 44px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.cockpit-footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-line);
}

.cockpit-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.cockpit-footer-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-pure);
  font-weight: 700;
}

.cockpit-footer-link:hover {
  color: var(--nitro-cyan);
}

.cockpit-footer-bottom {
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

/* 移动端吸底弹射起步栏 */
.mobile-ignition-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 160;
  background-color: rgba(10, 13, 18, 0.96);
  border-top: 2px solid var(--nitro-cyan);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transform: translateY(100%);
  transition: transform 0.22s ease;
}

.mobile-ignition-bar-visible {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .mobile-ignition-bar {
    display: none;
  }
}

/* ==========================================================================
   全新电影特刊画报式文章排版系统 (Cinematic Feature Magazine Editorial)
   彻底重构：
   - 告别单调的分左右或单列窄文本
   - 顶部电影画报巨幕题头 + 宽幅杂志排版 + 报纸式破折大号引文 + 赛车分站计时台阶步骤
   ========================================================================== */
.magazine-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 44px 20px 80px;
}

.magazine-header {
  background-color: var(--race-chassis);
  border: 1px solid var(--border-bright);
  border-top: 4px solid var(--nitro-cyan);
  padding: 40px 32px;
  margin-bottom: 36px;
  position: relative;
}

.magazine-volume-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--trophy-gold);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  display: block;
}

.magazine-title {
  font-size: clamp(1.85rem, 4vw, 2.7rem);
  font-weight: 900;
  line-height: 1.24;
  color: var(--text-pure);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.magazine-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--border-line);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--text-muted);
}

.magazine-article-body {
  background-color: rgba(18, 23, 33, 0.7);
  border: 1px solid var(--border-line);
  padding: 44px 36px;
}

@media (max-width: 640px) {
  .magazine-article-body {
    padding: 28px 20px;
  }
}

.magazine-article-body h2 {
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--nitro-cyan);
  margin: 48px 0 18px;
  padding: 12px 18px;
  background-color: var(--race-cockpit);
  border-left: 5px solid var(--nitro-cyan);
  border-top: 1px solid var(--border-line);
  border-right: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
  letter-spacing: 0.01em;
}

.magazine-article-body h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--trophy-gold);
  margin: 30px 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.magazine-article-body h3::before {
  content: "▶";
  font-size: 0.85rem;
  color: var(--nitro-cyan);
}

.magazine-article-body p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-pure);
}

.magazine-article-body ul {
  margin: 0 0 26px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.magazine-article-body ul li {
  position: relative;
  padding: 14px 18px 14px 36px;
  background-color: var(--race-chassis);
  border: 1px solid var(--border-line);
  font-size: 1rem;
}

.magazine-article-body ul li::before {
  content: "◆";
  position: absolute;
  left: 16px;
  top: 14px;
  color: var(--nitro-cyan);
  font-size: 0.85rem;
}

.magazine-article-body ol {
  margin: 0 0 28px 14px;
  border-left: 3px solid var(--trophy-gold);
  padding-left: 24px;
  counter-reset: step-counter;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.magazine-article-body ol li {
  counter-increment: step-counter;
  position: relative;
  background-color: var(--race-chassis);
  border: 1px solid var(--border-line);
  padding: 16px 20px;
  font-size: 1rem;
}

.magazine-article-body ol li::before {
  content: "STAGE 0" counter(step-counter);
  position: absolute;
  left: -44px;
  top: 16px;
  background-color: var(--trophy-gold);
  color: #05080C;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 900;
  padding: 2px 6px;
  clip-path: polygon(0 0, 100% 0, 85% 100%, 0 100%);
}

.magazine-callout {
  background: linear-gradient(135deg, rgba(255, 184, 0, 0.1) 0%, rgba(18, 23, 33, 0.8) 100%);
  border: 1px solid var(--trophy-gold);
  border-left: 6px solid var(--trophy-gold);
  padding: 24px;
  margin: 30px 0;
}

.magazine-callout p {
  color: var(--text-pure);
  margin-bottom: 0;
}

.magazine-cta-dock {
  margin-top: 44px;
  padding: 36px 30px;
  background: linear-gradient(135deg, var(--race-cockpit) 0%, var(--race-chassis) 100%);
  border: 2px solid var(--nitro-cyan);
  box-shadow: 0 10px 40px var(--nitro-glow);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.magazine-related {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 2px solid var(--border-line);
}

.magazine-related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 16px;
}

@media (min-width: 680px) {
  .magazine-related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.magazine-related-grid li a {
  display: block;
  height: 100%;
  padding: 16px;
  background-color: var(--race-chassis);
  border: 1px solid var(--border-line);
  font-weight: 700;
  font-size: 0.95rem;
}

.magazine-related-grid li a:hover {
  border-color: var(--nitro-cyan);
  background-color: var(--race-cockpit);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}