:root {
  /* 跑道底色：沥青炭灰 (#111318) */
  --bg-dark: #111318;
  --bg-card: rgba(22, 28, 43, 0.84);
  --bg-card-hover: rgba(28, 36, 56, 0.92);
  --nav-bg: rgba(17, 19, 24, 0.88);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-yellow: rgba(251, 191, 36, 0.35);

  --text-main: #ffffff;
  --text-sub: #94a3b8;
  --text-dim: #64748b;

  /* 主品牌色：跑道暖黄 / 警戒黄 (#fbbf24 / #f4a261) */
  --runway-yellow: #fbbf24;
  --runway-yellow-hover: #f59e0b;
  --runway-orange: #f4a261;

  /* 辅色/点缀色：鹅掌暖橘 */
  --goose-orange: #f97316;
  --goose-orange-light: rgba(249, 115, 22, 0.15);

  --status-green: #34d399;
  --status-red: #f87171;
  --crash-red: #ef4444;

  --radius: 14px;
  --nav-height: 68px;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;

  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

/* CRT 网格扫风蒙版 */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.22) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.02), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.02));
  background-size: 100% 3px, 6px 100%;
  pointer-events: none;
  z-index: 2;
  opacity: 0.35;
}

/* 跑道 Canvas 背景 */
#radarCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* =========================================================
   1. 顶部悬浮导航栏 (Navbar)
   ========================================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(251, 191, 36, 0.22);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav-container {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Left Brand */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.goose-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(15, 23, 42, 0.95);
  border: 1.5px solid rgba(251, 191, 36, 0.6);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.3), inset 0 0 6px rgba(249, 115, 22, 0.2);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  padding: 2px;
  flex-shrink: 0;
}

.nav-logo:hover .goose-avatar {
  transform: rotate(-8deg) scale(1.08);
  border-color: var(--runway-yellow);
  box-shadow: 0 0 16px rgba(251, 191, 36, 0.6), 0 0 24px rgba(249, 115, 22, 0.3);
}

.nav-goose-svg {
  display: block;
  width: 100%;
  height: 100%;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.3px;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--runway-yellow);
  letter-spacing: 0.12em;
  font-weight: 600;
}

/* Center Menu */
.nav-links {
  display: flex;
  list-style: none;
  gap: 22px;
  align-items: center;
}

.nav-link {
  color: var(--text-sub);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 6px;
  position: relative;
  transition: color 0.2s ease;
}

.nav-text {
  font-size: 0.92rem;
  font-weight: 600;
}

.nav-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}

.nav-link:hover .nav-text { color: var(--runway-orange); }
.nav-link:hover .nav-tag { color: var(--runway-yellow); }

.nav-link.active .nav-text {
  color: var(--runway-yellow);
  text-shadow: 0 0 10px rgba(251, 191, 36, 0.35);
}

.nav-link.active .nav-tag { color: var(--runway-yellow); }

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--runway-yellow);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--runway-yellow);
}

/* 💥 坠毁记录簿 Special Warning Styling */
.nav-link-crash .nav-text { color: #fca5a5; }
.tag-crash { color: #f87171 !important; }
.crash-flame { display: inline-block; animation: flameFlicker 1.5s infinite alternate; }

@keyframes flameFlicker {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.2) rotate(5deg); opacity: 1; filter: drop-shadow(0 0 4px #ef4444); }
}

.nav-link-crash:hover .nav-text {
  color: #ef4444 !important;
  text-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

/* Right Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-status-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.25);
  padding: 4px 12px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--status-green);
  position: relative;
  cursor: pointer;
  transition: var(--transition);
}

.nav-status-badge:hover {
  background: rgba(52, 211, 153, 0.16);
  box-shadow: 0 0 12px rgba(52, 211, 153, 0.25);
}

/* 状态变体 - 警示暖黄 (部分颠簸) */
.nav-status-badge.status-warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--runway-yellow);
}

.nav-status-badge.status-warning .pulse-dot {
  background-color: var(--runway-yellow);
  box-shadow: 0 0 8px var(--runway-yellow);
}

.nav-status-badge.status-warning:hover {
  background: rgba(245, 158, 11, 0.18);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.3);
}

/* 状态变体 - 预警红光 (严重拥堵/翻车) */
.nav-status-badge.status-danger {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.35);
  color: var(--status-red);
}

.nav-status-badge.status-danger .pulse-dot {
  background-color: var(--status-red);
  box-shadow: 0 0 8px var(--status-red);
}

.nav-status-badge.status-danger:hover {
  background: rgba(239, 68, 68, 0.18);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.35);
}

/* Hover 浮窗 Tooltip */
.status-tooltip {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 260px;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 10px;
  padding: 12px 14px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6), 0 0 15px rgba(56, 189, 248, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: var(--transition);
  pointer-events: none;
  z-index: 250;
  text-align: left;
}

.nav-status-badge:hover .status-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.tt-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--runway-yellow);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  padding-bottom: 6px;
  margin-bottom: 8px;
}

.tt-body {
  font-size: 0.82rem;
  color: var(--text-sub);
  line-height: 1.5;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--status-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--status-green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.85); }
}

.nav-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.nav-btn:hover {
  border-color: var(--runway-yellow);
  color: var(--runway-yellow);
  background: rgba(251, 191, 36, 0.1);
}

.nav-btn-honk {
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.4);
  color: var(--runway-yellow);
  font-weight: 700;
}

.nav-btn-honk:hover {
  background: rgba(251, 191, 36, 0.25);
  box-shadow: 0 0 14px rgba(251, 191, 36, 0.3);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
}

/* =========================================================
   2. SPA 路由视窗 & Container
   ========================================================= */
.container {
  position: relative;
  z-index: 3;
  max-width: 1080px;
  margin: 0 auto;
  padding: calc(var(--nav-height) + 30px) 20px 60px;
}

.page-view {
  display: block;
  animation: pageIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-view.hidden {
  display: none;
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-block {
  margin-bottom: 50px;
}

.section-header {
  margin-bottom: 22px;
}

.section-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--text-sub);
}

/* Hero Section (/flights) */
.hero-section {
  text-align: center;
  margin-bottom: 40px;
}

.runway-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.25);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--status-green);
  font-family: var(--font-mono);
  margin-bottom: 20px;
}

.hero-title-group {
  margin-bottom: 20px;
}

.mascot-svg-wrapper {
  display: inline-block;
  margin-bottom: 8px;
  cursor: pointer;
  position: relative;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.mascot-svg-wrapper:hover {
  transform: translateY(-4px) scale(1.06);
}

.mascot-svg-wrapper:active {
  transform: scale(0.95) rotate(-5deg);
}

.goose-svg {
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.4));
}

.hero-main-title {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  color: #ffffff;
}

.hero-slogan {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--runway-yellow);
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.hero-subdesc {
  color: var(--text-sub);
  font-size: 0.92rem;
}

/* 筛选器 Card */
.filter-bar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  text-align: left;
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.filter-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--runway-yellow);
}

.btn-reset-filters {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-dim);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  cursor: pointer;
}

.filter-rows {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.filter-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.85rem;
  color: var(--text-sub);
  min-width: 100px;
  padding-top: 4px;
}

.filter-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-tag {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-sub);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-tag.active, .filter-tag:hover {
  background: var(--goose-orange-light);
  border-color: var(--goose-orange);
  color: #ffffff;
}

/* 表格 Flight Board */
.board-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow-x: auto;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.board-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.board-table th {
  background: rgba(15, 23, 42, 0.8);
  color: var(--text-sub);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.board-table td {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
}

.board-table tbody tr:hover {
  background: rgba(251, 191, 36, 0.05);
}

.service-name-box {
  display: flex;
  flex-direction: column;
}

.service-title {
  font-weight: 700;
  color: #ffffff;
  font-size: 1.02rem;
}

.service-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--runway-yellow);
}

.tag-spec {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.1);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.tag-spec.iplc {
  background: rgba(249, 115, 22, 0.12);
  color: var(--goose-orange);
  border-color: rgba(249, 115, 22, 0.3);
}

.price-box {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--runway-yellow);
}

/* ---------------------------------------------------------
   航空测风速 / 跑道航标灯 仪表盘分级评分 (Instrument Rating System)
   --------------------------------------------------------- */
.goose-rating-instrument {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 5px 10px;
  border-radius: 8px;
  font-family: var(--font-mono);
  user-select: none;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
}

.instrument-lbl {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.taxi-lights-bar {
  display: flex;
  align-items: center;
  gap: 4px;
}

.taxi-light {
  width: 9px;
  height: 14px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all 0.25s ease;
}

.rating-tier-text {
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

/* 航标灯与段位着色 (Tiers & Glowing Lights) */
/* Tier 5: 顺畅起飞 (Warm Yellow #fbbf24) */
.goose-rating-instrument.tier-5 .taxi-light.active {
  background: #fbbf24;
  border-color: #fef08a;
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.85);
}
.goose-rating-instrument.tier-5 .rating-tier-text {
  color: #fbbf24;
  text-shadow: 0 0 6px rgba(251, 191, 36, 0.35);
}

/* Tier 4: 平稳滑行 (Amber #f59e0b) */
.goose-rating-instrument.tier-4 .taxi-light.active {
  background: #f59e0b;
  border-color: #fde68a;
  box-shadow: 0 0 7px rgba(245, 158, 11, 0.75);
}
.goose-rating-instrument.tier-4 .rating-tier-text {
  color: #f59e0b;
}

/* Tier 3: 轻度颠簸 (Orange #f97316) */
.goose-rating-instrument.tier-3 .taxi-light.active {
  background: #f97316;
  border-color: #ffedd5;
  box-shadow: 0 0 7px rgba(249, 115, 22, 0.75);
}
.goose-rating-instrument.tier-3 .rating-tier-text {
  color: #f97316;
}

/* Tier 2: 严重失速 (Red-Orange #ef4444) */
.goose-rating-instrument.tier-2 .taxi-light.active {
  background: #ef4444;
  border-color: #fecaca;
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.7);
}
.goose-rating-instrument.tier-2 .rating-tier-text {
  color: #ef4444;
}

/* Tier 1: 原地趴窝 (Crimson #dc2626) */
.goose-rating-instrument.tier-1 .taxi-light.active {
  background: #dc2626;
  border-color: #fca5a5;
  box-shadow: 0 0 5px rgba(220, 38, 38, 0.6);
}
.goose-rating-instrument.tier-1 .rating-tier-text {
  color: #dc2626;
}

.action-btns-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.btn-boarding {
  background: var(--runway-yellow);
  color: #0c1018;
  border: none;
  border-radius: 6px;
  padding: 7px 14px;
  font-weight: 700;
  font-size: 0.84rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: var(--transition);
}

.btn-boarding:hover {
  background: var(--runway-yellow-hover);
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
}

.btn-promo-copy {
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed var(--runway-yellow);
  color: var(--runway-yellow);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.76rem;
  font-family: var(--font-mono);
  cursor: pointer;
}

/* 独立页面通用 Header */
.page-hero {
  text-align: center;
  margin-bottom: 35px;
}

.page-hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(251, 191, 36, 0.12);
  color: var(--runway-yellow);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.page-title {
  font-size: 2.2rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 6px;
}

.page-title.text-danger {
  color: var(--crash-red);
  text-shadow: 0 0 15px rgba(239, 68, 68, 0.3);
}

.page-desc {
  color: var(--text-sub);
  font-size: 0.95rem;
}

/* 博客黑匣子 /blog */
.post-cat-filters {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 18px;
  flex-wrap: wrap;
}

.post-cat-btn {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-sub);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}

.post-cat-btn.active, .post-cat-btn:hover {
  background: rgba(251, 191, 36, 0.12);
  border-color: var(--runway-yellow);
  color: var(--runway-yellow);
}

.feed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}

.boarding-pass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.boarding-pass-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-yellow);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.bp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-bottom: 12px;
}

.bp-code {
  color: var(--runway-yellow);
  font-weight: 700;
  background: rgba(251, 191, 36, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.bp-date { color: var(--text-dim); }

.bp-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
  line-height: 1.4;
  cursor: pointer;
}

.bp-title:hover { color: var(--runway-yellow); }

.bp-summary {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 16px;
}

.goose-comment-box {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(249, 115, 22, 0.2);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.84rem;
  margin-bottom: 20px;
}

.gc-title {
  color: var(--goose-orange);
  font-weight: 700;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.bp-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: nowrap;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.bp-rating { font-size: 0.9rem; }
.bp-read-btn {
  color: var(--runway-yellow);
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.bp-read-btn:hover {
  color: var(--runway-yellow-hover);
  transform: translateX(4px);
  text-shadow: 0 0 8px rgba(251, 191, 36, 0.4);
}

/* 3. 坠毁记录簿 /crashes */
.hero-crash {
  margin-bottom: 30px;
}

.crash-warning-banner {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  padding: 12px 20px;
  border-radius: 30px;
  display: inline-block;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.crash-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.crash-card {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.crash-card:hover {
  border-color: var(--crash-red);
  box-shadow: 0 10px 25px rgba(239, 68, 68, 0.18);
}

.crash-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.crash-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.crash-card-badge {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.crash-card-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.crash-card-reason {
  font-size: 0.9rem;
  color: #cbd5e1;
  line-height: 1.6;
}

/* 4. 关于本鹅 /about */
.about-avatar-large {
  font-size: 4rem;
  margin-bottom: 10px;
}

.about-content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.about-section h3, .about-sec-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--runway-yellow);
  margin-bottom: 10px;
}

.title-svg-icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.p-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 18px;
  border-radius: 10px;
}

.p-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--runway-yellow);
}

.p-box h4 {
  color: #fff;
  margin: 4px 0;
}

.p-box p {
  font-size: 0.86rem;
  color: var(--text-sub);
}

.radio-channels {
  display: flex;
  gap: 14px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.radio-btn {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-yellow);
  color: var(--runway-yellow);
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: var(--transition);
}

.radio-btn:hover {
  background: rgba(251, 191, 36, 0.15);
  transform: translateY(-2px);
}

/* 页脚 */
.main-footer {
  margin-top: 50px;
  border-top: 1px solid var(--border-color);
  padding-top: 25px;
  text-align: center;
}

.footer-warning-banner {
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.3);
  color: var(--goose-orange);
  padding: 12px 20px;
  border-radius: 30px;
  display: inline-block;
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.footer-meta { color: var(--text-dim); font-size: 0.82rem; }

.footer-links {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.footer-links a { color: var(--runway-yellow); text-decoration: none; }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 8, 15, 0.85);
  backdrop-filter: blur(10px);
  z-index: 200;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-box {
  background: #0f172a;
  border: 1px solid var(--runway-yellow);
  border-radius: 16px;
  padding: 26px;
  max-width: 620px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--border-color);
  color: var(--text-sub);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 300;
  pointer-events: none;
}

.toast {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--runway-yellow);
  color: #fff;
  padding: 10px 22px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
}

@keyframes toastIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(-15px); } }

  .mobile-menu-toggle { display: flex; }
  .nav-status-badge { display: none; }
  .hero-main-title { font-size: 2rem; }
}

/* -------------------------------------------------------------
   独立文章详情页 (#pagePost) 与 Markdown 富文本排版样式
   ------------------------------------------------------------- */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-sub);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.bc-link {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s ease;
}

.bc-link:hover {
  color: var(--runway-yellow);
}

.bc-sep {
  color: var(--border-yellow);
}

.bc-current {
  color: var(--runway-yellow);
  font-weight: 600;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-header-block {
  background: var(--card-bg);
  border: 1px solid var(--border-yellow);
  border-radius: var(--card-radius);
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.article-meta-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.article-cat-tag {
  background: rgba(251, 191, 36, 0.15);
  border: 1px solid var(--runway-yellow);
  color: var(--runway-yellow);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;

}

.article-date-tag, .article-code-tag {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-sub);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 4px;
}

.article-main-title {
  font-size: 2.1rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.article-sub-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-sub);
  flex-wrap: wrap;
  border-top: 1px dashed var(--border-color);
  padding-top: 14px;
}

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

/* 双栏布局 (Grid) */
.article-layout-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 28px;
  align-items: start;
}

.article-main-body {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 32px 36px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Callout 提示框 */
.callout-box {
  border-radius: 12px;
  padding: 18px 22px;
  margin: 24px 0;
}

.callout-goose {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.35);
  box-shadow: inset 0 0 15px rgba(251, 191, 36, 0.04);
}

.callout-warning {
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.35);
}

.callout-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 8px;
}

.callout-goose .callout-title { color: var(--runway-yellow); }
.callout-warning .callout-title { color: #f97316; }

.callout-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #e2e8f0;
}

.callout-text p {
  margin-bottom: 8px;
}

.callout-text p:last-child {
  margin-bottom: 0;
}

/* Markdown 富文本样式 (.markdown-prose-content) */
.markdown-prose-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #cbd5e1;
}

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

.markdown-prose-content h2.prose-h2 {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--runway-yellow);
  margin-top: 40px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(251, 191, 36, 0.3);
  display: flex;
  align-items: center;
  scroll-margin-top: 90px;
}

.markdown-prose-content h3.prose-h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f59e0b;
  margin-top: 30px;
  margin-bottom: 14px;
  scroll-margin-top: 90px;
}

.markdown-prose-content strong {
  color: #ffffff;
  font-weight: 700;
}

.markdown-prose-content em {
  color: #fbbf24;
  font-style: italic;
}

.markdown-prose-content ul.prose-ul,
.markdown-prose-content ol.prose-ol {
  margin: 18px 0 24px 24px;
}

.markdown-prose-content li {
  margin-bottom: 8px;
}

.markdown-prose-content blockquote.prose-blockquote {
  border-left: 4px solid var(--runway-yellow);
  background: rgba(30, 41, 59, 0.5);
  padding: 14px 20px;
  margin: 22px 0;
  border-radius: 0 8px 8px 0;
  color: #e2e8f0;
  font-style: italic;
}

.markdown-prose-content hr.prose-hr {
  border: none;
  border-top: 1px dashed var(--border-color);
  margin: 36px 0;
}

.markdown-prose-content a.prose-link {
  color: var(--runway-yellow);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.markdown-prose-content a.prose-link:hover {
  color: #f59e0b;
}

/* 代码块与行内代码 */
.markdown-prose-content pre.code-block {
  background: #090d16;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 18px;
  margin: 22px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  color: #e2e8f0;
}

.markdown-prose-content code.inline-code {
  background: rgba(51, 65, 85, 0.6);
  border: 1px solid rgba(251, 191, 36, 0.25);
  color: var(--runway-yellow);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 2px 7px;
  border-radius: 4px;
}

/* 自适应表格 */
.table-responsive-wrapper {
  width: 100%;
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.prose-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.prose-table th {
  background: #1e293b;
  color: var(--runway-yellow);
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 12px 16px;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.prose-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  color: #cbd5e1;
}

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

.prose-table tr:hover td {
  background: rgba(30, 41, 59, 0.4);
}

/* PC 吸顶目录 (TOC Widget) */
.toc-widget-box {
  position: sticky;
  top: calc(var(--nav-height) + 20px);
  background: var(--card-bg);
  border: 1px solid var(--border-yellow);
  border-radius: var(--card-radius);
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.toc-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--runway-yellow);
  font-family: var(--font-mono);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border-color);
}

.toc-list-tree {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-item.toc-h2 {
  font-size: 0.88rem;
  font-weight: 600;
}

.toc-item.toc-h3 {
  font-size: 0.82rem;
  padding-left: 14px;
}

.toc-link {
  color: var(--text-sub);
  text-decoration: none;
  transition: all 0.2s ease;
  display: block;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toc-link:hover {
  color: var(--runway-yellow);
  transform: translateX(3px);
}

/* 底部导购转化 Banner (CTA) */
.article-cta-banner {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.95));
  border: 1px solid var(--runway-yellow);
  border-radius: 14px;
  padding: 24px 28px;
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: 0 0 25px rgba(251, 191, 36, 0.15);
  flex-wrap: wrap;
}

.cta-content h3 {
  color: var(--runway-yellow);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.cta-content p {
  color: var(--text-sub);
  font-size: 0.92rem;
  margin: 0;
}

.btn-cta-board {
  background: var(--runway-yellow);
  color: #0f172a;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.92rem;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-cta-board:hover {
  background: #fef08a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(251, 191, 36, 0.4);
}

/* 前后篇翻页导航 (Pagination) */
.article-pagination-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.nav-post-card {
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 20px;
  text-decoration: none;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-post-card:hover {
  border-color: var(--runway-yellow);
  background: rgba(30, 41, 59, 0.8);
  transform: translateY(-2px);
}

.nav-post-card.next {
  text-align: right;
  align-items: flex-end;
}

.nav-direction {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--runway-yellow);
  font-weight: 700;
}

.nav-title-text {
  color: #e2e8f0;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 响应式调整 */
@media (max-width: 992px) {
  .article-layout-grid {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    display: none; /* 移动端隐藏侧边栏 TOC */
  }
  .article-main-title {
    font-size: 1.6rem;
  }
  .article-main-body {
    padding: 22px 20px;
  }
  .article-cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .article-pagination-nav {
    grid-template-columns: 1fr;
  }
  .nav-post-card.next {
    text-align: left;
    align-items: flex-start;
  }
}