/* ==========================================================================
   好机场手册 (haojichang.cfd) - 核心样式表
   极简、现代、高性能、移动端优先 (支持360px)
   ========================================================================== */

:root {
  --color-primary: #0284c7;
  --color-primary-hover: #0369a1;
  --color-primary-light: #e0f2fe;
  --color-accent: #6366f1;
  --color-accent-light: #e0e7ff;
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-danger: #ef4444;
  --color-danger-light: #fee2e2;

  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-subtle: #f1f5f9;
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;

  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --container-max: 1160px;
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  word-break: break-word;
  overflow-x: hidden;
}

img, svg {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 1rem;
  font-weight: 700;
}

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

li {
  margin-bottom: 0.5rem;
}

strong {
  font-weight: 600;
  color: #0f172a;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-bg-subtle);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  color: #0369a1;
}

/* 容器 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.container-wide {
  width: 100%;
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* 导航栏 */
.site-header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-icon {
  font-size: 1.5rem;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.brand-en {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-left: 0.35rem;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  margin: 4px 0;
  transition: all 0.2s ease;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  text-decoration: none;
}

/* 面包屑 */
.breadcrumb-nav {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 0.6rem 0;
  font-size: 0.85rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb-separator {
  margin: 0 0.5rem;
  color: var(--color-text-light);
}

.breadcrumb-item.active {
  color: var(--color-text-muted);
  font-weight: 500;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  line-height: 1.4;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: #4f46e5;
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-hover);
}

.btn-light {
  background-color: var(--color-bg-subtle);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-light:hover {
  background-color: var(--color-border);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

.btn-ghost:hover {
  background-color: var(--color-bg-subtle);
  color: var(--color-text);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
}

.btn-xs {
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
}

/* 徽章 Badge */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: #b45309;
}

.badge-info {
  background-color: #ecfeff;
  color: #0e7490;
}

/* 卡片 */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

/* 网格布局 */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* 区块与版块 */
.section {
  padding: 4rem 0;
}

.bg-alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem auto;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem 0;
  background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  text-align: center;
  max-width: 860px;
}

.hero-h1 {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin-bottom: 1rem;
  color: #0f172a;
}

.hero-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

/* 4家精选特色卡片 */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem;
  margin-bottom: 2rem;
}

.featured-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.featured-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.card-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.card-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.card-en {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.card-tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.card-specs {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
}

.spec-label {
  color: var(--color-text-muted);
}

.spec-value {
  font-weight: 600;
  color: var(--color-text);
  text-align: right;
}

.price-highlight {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 800;
}

.code-highlight {
  background-color: #fef3c7;
  color: #b45309;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.card-body {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-detail {
  margin-bottom: 0.65rem;
}

.notice-box {
  background-color: #fffbeb;
  border-left: 3px solid var(--color-warning);
  padding: 0.6rem 0.8rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.84rem;
  color: #78350f;
  margin-top: 0.75rem;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card-sub-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.82rem;
}

.text-link {
  color: var(--color-text-muted);
  text-decoration: underline;
}

.text-link:hover {
  color: var(--color-primary);
}

.dot-sep {
  color: var(--color-text-light);
}

/* 推广披露 */
.affiliate-disclosure-box {
  background-color: var(--color-bg-subtle);
  border: 1px dashed var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.disclosure-icon {
  font-size: 1.2rem;
  line-height: 1;
}

/* 5个标准 */
.criteria-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 860px;
  margin: 0 auto;
}

.criteria-item {
  display: flex;
  align-items: flex-start;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  gap: 1.25rem;
  transition: transform 0.2s ease;
}

.criteria-item:hover {
  transform: translateX(4px);
  border-color: var(--color-primary);
}

.criteria-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-mono);
  line-height: 1;
  background-color: var(--color-primary-light);
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
}

.criteria-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

/* 预算卡片 */
.budget-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.featured-budget {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.budget-tier {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}

.budget-price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.budget-features {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.budget-recom {
  font-size: 0.85rem;
  background-color: var(--color-bg-alt);
  padding: 0.6rem;
  border-radius: var(--radius-sm);
  margin-top: auto;
}

/* 流量卡片 */
.traffic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.traffic-box {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.traffic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.traffic-amount {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
}

.traffic-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  background-color: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

.traffic-tag-hot {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.traffic-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.traffic-link {
  font-size: 0.85rem;
  font-weight: 600;
}

/* 线路卡片 */
.line-card {
  padding: 1.5rem;
  border-radius: var(--radius-md);
}

.line-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.line-card-highlight {
  border-color: var(--color-primary);
  background-color: #f0f9ff;
}

/* 付费周期对比 */
.cycle-comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.cycle-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  background-color: #ffffff;
}

.cycle-monthly {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-light);
}

.cycle-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.cycle-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.cycle-points {
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.cycle-tip {
  font-size: 0.85rem;
  background-color: var(--color-bg-alt);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
}

/* 客户端卡片 */
.client-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.client-os {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 0.4rem;
}

.client-name {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.client-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.clients-sub-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.sub-link {
  color: var(--color-text-muted);
}

.sub-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* 文章摘要卡片 */
.article-snippet {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-snippet:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.article-cat {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.6rem;
}

.article-title a {
  color: var(--color-text);
}

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

.article-excerpt {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* 28家入口框 */
.directory-box {
  background: linear-gradient(135deg, #0284c7 0%, #1e40af 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: var(--shadow-lg);
}

.directory-info {
  max-width: 620px;
}

.directory-title {
  color: #ffffff;
  font-size: 1.85rem;
  margin-bottom: 0.75rem;
}

.directory-desc {
  color: #e0f2fe;
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 0;
}

.directory-action {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-shrink: 0;
}

.directory-action .btn-primary {
  background-color: #ffffff;
  color: #0369a1;
  border-color: #ffffff;
}

.directory-action .btn-primary:hover {
  background-color: #f0f9ff;
  color: #0284c7;
}

.directory-action .btn-outline {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
}

.directory-action .btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

/* FAQ 列表 */
.faq-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: border-color 0.2s ease;
}

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

.faq-question-box {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.faq-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  line-height: 1.3;
  flex-shrink: 0;
}

.faq-question-title {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0;
}

.faq-answer-box {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding-left: 0.25rem;
}

.faq-answer-badge {
  font-size: 0.75rem;
  font-weight: 700;
  background-color: var(--color-bg-subtle);
  color: var(--color-text-muted);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.faq-answer-content {
  font-size: 0.95rem;
  line-height: 1.65;
  color: #334155;
}

/* 表格响应式与数据表 - 同屏自适应无横向划动 */
.table-container-seamless {
  width: 100%;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 2rem;
}

.airport-table-fit {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  line-height: 1.45;
  table-layout: fixed;
  min-width: 0 !important;
}

.airport-table-fit th,
.airport-table-fit td {
  padding: 0.85rem 0.65rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  word-break: break-word;
}

.airport-table-fit thead th {
  background-color: var(--color-bg-alt);
  font-weight: 700;
  color: var(--color-text);
  font-size: 0.85rem;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

/* 7 列精确分配比例，兼顾信息饱满与呼吸感 */
.airport-table-fit .col-name { width: 17%; }
.airport-table-fit .col-price { width: 12%; }
.airport-table-fit .col-traffic { width: 10%; }
.airport-table-fit .col-line { width: 19%; }
.airport-table-fit .col-users { width: 22%; }
.airport-table-fit .col-coupon { width: 9%; }
.airport-table-fit .col-action { width: 11%; }

.airport-table-fit tbody tr:hover {
  background-color: #f8fafc;
}

.airport-cell-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.cell-id {
  font-size: 0.72rem;
  color: var(--color-primary);
  font-weight: 700;
  background-color: var(--color-primary-light);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  flex-shrink: 0;
}

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

.cell-title {
  color: var(--color-text);
  font-weight: 700;
  text-decoration: none;
}

.cell-title:hover {
  color: var(--color-primary);
}

.cell-en {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.price-main {
  font-size: 0.95rem;
}

.cycle-sub, .nodes-sub, .users-text {
  font-size: 0.78rem;
  line-height: 1.35;
}

.tag-line {
  background-color: var(--color-bg-subtle);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  display: inline-block;
  white-space: nowrap;
}

.coupon-code {
  font-weight: 700;
  color: #b45309;
  background-color: #fef3c7;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

.cell-detail-link {
  font-size: 0.78rem;
  color: var(--color-primary);
  text-decoration: none;
}

.cell-detail-link:hover {
  text-decoration: underline;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* 移动端同屏垂直流式布局，不产生左右滑动 */
.airport-mobile-cards {
  width: 100%;
}

.mobile-airport-item {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.m-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.m-brand {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.m-title-link {
  font-size: 1.05rem;
  color: var(--color-text);
  text-decoration: none;
}

.m-title-link:hover {
  color: var(--color-primary);
}

.m-price-tag {
  font-size: 1.05rem;
}

.m-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 0.75rem;
  background-color: var(--color-bg-alt);
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.m-spec {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.m-detail-row {
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--color-text);
}

.m-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.m-actions .btn {
  flex: 1;
}

.m-detail-btn {
  font-size: 0.84rem;
  color: var(--color-primary);
  text-decoration: none;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  background-color: #ffffff;
}

.m-detail-btn:hover {
  background-color: var(--color-bg-alt);
  border-color: var(--color-primary);
}

/* 屏幕分界控制：宽屏展示7列同屏无滚动表格；窄屏展示无滑动的纵向卡片流 */
@media (min-width: 960px) {
  .airport-mobile-cards {
    display: none;
  }
  .airport-table-fit {
    display: table;
  }
}

@media (max-width: 959px) {
  .airport-table-fit {
    display: none;
  }
  .airport-mobile-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  .table-container-seamless {
    background-color: transparent;
    border: none;
    box-shadow: none;
  }
}

.table-responsive {
  width: 100%;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
  background-color: #ffffff;
}

.data-table th, .data-table td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.data-table thead th {
  background-color: var(--color-bg-alt);
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background-color: #f8fafc;
}

/* 单机场页面样式 */
.single-airport {
  max-width: 860px;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.airport-header {
  margin-bottom: 2rem;
}

.airport-meta-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.meta-date {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.airport-title {
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.airport-one-line-verdict {
  background: linear-gradient(to right, #eff6ff, #f8fafc);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 1.02rem;
  color: var(--color-text);
  line-height: 1.6;
}

.verdict-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.fit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.fit-box {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.fit-good {
  background-color: #f0fdf4;
  border-color: #bbf7d0;
}

.fit-bad {
  background-color: #fff1f2;
  border-color: #fecdd3;
}

.fit-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.fit-good .fit-title {
  color: #166534;
}

.fit-bad .fit-title {
  color: #9f1239;
}

.specs-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.specs-table th, .specs-table td {
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--color-border);
}

.specs-table th {
  background-color: var(--color-bg-alt);
  width: 18%;
  color: var(--color-text-muted);
  font-weight: 600;
}

.specs-table td {
  width: 32%;
}

.airport-content {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #1e293b;
  margin: 2.5rem 0;
}

.airport-content h2 {
  font-size: 1.45rem;
  margin-top: 2rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.4rem;
}

.airport-content h3 {
  font-size: 1.2rem;
  margin-top: 1.5rem;
  margin-bottom: 0.65rem;
}

.airport-cta-box {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  margin: 3rem 0;
  box-shadow: var(--shadow-md);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta-heading {
  color: #ffffff;
  font-size: 1.4rem;
  margin-bottom: 0.4rem;
}

.cta-sub {
  color: #e0f2fe;
  font-size: 0.92rem;
  margin-bottom: 0;
}

.cta-actions .btn-primary {
  background-color: #ffffff;
  color: #0369a1;
  border-color: #ffffff;
  font-size: 1.05rem;
  padding: 0.75rem 1.75rem;
}

.cta-actions .btn-primary:hover {
  background-color: #f0f9ff;
  color: #0284c7;
}

.airport-faq-section {
  margin: 3rem 0;
}

.related-section {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2.5rem 0;
}

.related-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.related-links {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.related-links li {
  margin-bottom: 0.4rem;
}

.article-footer-notice {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 1.25rem;
  margin-top: 2rem;
  line-height: 1.6;
}

/* 栏目列表页 */
.section-page {
  padding-top: 2.5rem;
  padding-bottom: 4rem;
}

.page-header {
  margin-bottom: 2.5rem;
}

.page-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.page-description {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 820px;
}

.article-card {
  display: flex;
  flex-direction: column;
}

.article-card .card-title {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.article-card .card-title a {
  color: var(--color-text);
}

.article-card .card-title a:hover {
  color: var(--color-primary);
}

.card-excerpt {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
}

/* 资料库 Mini 卡片 */
.airports-grid-archive {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.airport-mini-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.airport-mini-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--color-primary);
}

.mini-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.mini-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  background-color: var(--color-bg-subtle);
  color: var(--color-text-muted);
  padding: 0.2rem 0.45rem;
  border-radius: var(--radius-sm);
}

.mini-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0;
}

.mini-title a {
  color: var(--color-text);
}

.mini-title a:hover {
  color: var(--color-primary);
}

.mini-en {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.mini-specs {
  font-size: 0.85rem;
  background-color: var(--color-bg-alt);
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mini-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.mini-actions {
  display: flex;
  gap: 0.5rem;
}

/* 页脚 */
.site-footer {
  background-color: #0f172a;
  color: #94a3b8;
  margin-top: auto;
  padding: 4rem 0 2rem 0;
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #cbd5e1;
  margin-bottom: 1rem;
}

.footer-note {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 0.75rem;
}

.footer-disclaimer {
  font-size: 0.82rem;
  color: #64748b;
  margin-bottom: 0;
}

.footer-links-group {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.footer-heading {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #94a3b8;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-contact-text {
  font-size: 0.85rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: center;
  font-size: 0.82rem;
}

.copyright {
  color: #cbd5e1;
  margin-bottom: 0;
}

.affiliate-notice {
  color: #64748b;
  margin-bottom: 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* 实用类 */
.text-center { text-align: center; }
.text-nowrap { white-space: nowrap; }
.font-medium { font-weight: 500; }
.font-mono { font-family: var(--font-mono); }
.color-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.small-text { font-size: 0.82rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

/* ==========================================================================
   响应式设计与移动端360px适配 (Mobile First Breakpoints)
   ========================================================================== */

@media (max-width: 1024px) {
  .airports-grid-archive {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-h1 {
    font-size: 1.75rem;
  }

  .hero-title {
    font-size: 1.2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  /* 汉堡菜单切换 */
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
  }

  .site-nav.nav-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 0.5rem;
  }

  .nav-link {
    display: block;
    padding: 0.6rem 0.8rem;
  }

  /* 网格转单列 */
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .featured-grid {
    grid-template-columns: 1fr;
  }

  .traffic-grid {
    grid-template-columns: 1fr;
  }

  .cycle-comparison-grid {
    grid-template-columns: 1fr;
  }

  .fit-grid {
    grid-template-columns: 1fr;
  }

  .airports-grid-archive {
    grid-template-columns: 1fr;
  }

  .directory-box {
    flex-direction: column;
    text-align: center;
    padding: 2rem 1.5rem;
  }

  .directory-action {
    width: 100%;
  }

  .directory-action .btn {
    width: 100%;
  }

  .cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer-links-group {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .specs-table th, .specs-table td {
    display: block;
    width: 100% !important;
  }

  .specs-table tr {
    display: block;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
  }

  .specs-table th {
    background-color: var(--color-bg-subtle);
  }
}

/* 针对 360px 及以下小屏的极限优化 */
@media (max-width: 360px) {
  html {
    font-size: 15px;
  }

  .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .hero-h1 {
    font-size: 1.45rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .featured-card {
    padding: 1.25rem 1rem;
  }

  .criteria-item {
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
  }

  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  .directory-title {
    font-size: 1.4rem;
  }
}