/* ==========================================================================
   绿茶机场测评专站 (ceping.green-tea.buzz)
   简洁报告排版规范：页眉导航 + Hero -> 套餐价格 -> 内容导航 -> 对应正文
   纯原生 CSS，移动端友好，支持本地 file:/// 打开百分百正常渲染
   ========================================================================== */

:root {
  --primary: #059669;
  --primary-hover: #047857;
  --primary-light: #ecfdf5;
  --primary-border: #a7f3d0;
  --text-main: #0f172a;
  --text-muted: #334155;
  --text-light: #64748b;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  --border-color: #e2e8f0;
  --border-dark: #cbd5e1;
  --radius-sm: 6px;
  --radius-md: 10px;
  --max-width: 1120px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

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

/* 顶部 Header：包含品牌标识 + 完整并排导航 + 外部核查按钮 */
.site-header-clean {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  gap: 16px;
}

.header-brand {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 17px;
  flex-shrink: 0;
}

.brand-text {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
  white-space: nowrap;
}

.brand-sub {
  font-size: 0.72rem;
  color: #64748b;
  margin-left: 6px;
  font-weight: normal;
  white-space: nowrap;
}

/* 页眉导航列表（文字全部横向并排） */
.header-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.header-nav li {
  white-space: nowrap;
}

.header-nav a {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.92rem;
  white-space: nowrap;
  padding: 4px 6px;
  transition: color 0.15s ease;
}

.header-nav a:hover {
  color: var(--primary);
  text-decoration: none;
}

.header-cta-btn {
  background-color: var(--primary);
  color: #ffffff !important;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: background-color 0.15s ease;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.header-cta-btn:hover {
  background-color: var(--primary-hover);
}

/* 一、简洁 Hero：主标题 + 一句话交代分析范围 + 最多一个“查看分析”按钮，无口号、无徽章、紧凑干净 */
.clean-hero {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 38px 0 32px 0;
}

.hero-h1 {
  font-size: 2.1rem;
  line-height: 1.3;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.hero-scope-text {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 860px;
}

.btn-hero-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary);
  color: #ffffff !important;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 9px 22px;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s ease;
  text-decoration: none !important;
  white-space: nowrap;
}

.btn-hero-action:hover {
  background-color: var(--primary-hover);
}

/* 二、套餐价格区：紧接 Hero，所有价格横向同排 */
.pricing-section-clean {
  padding: 32px 0;
  background-color: #f8fafc;
  border-bottom: 1px solid var(--border-color);
}

.section-clean-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 6px;
}

.section-clean-desc {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 18px;
}

.pricing-row-side-by-side {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: stretch;
}

.price-box {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
}

.price-box-title {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
  white-space: nowrap;
}

.price-box-cost {
  font-size: 1.8rem;
  font-weight: 900;
  color: #0f172a;
  line-height: 1.1;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.price-box-cost small {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
}

.price-box-details {
  list-style: none;
  font-size: 0.86rem;
  color: var(--text-muted);
  flex-grow: 1;
}

.price-box-details li {
  padding: 4px 0;
  border-bottom: 1px dashed #f1f5f9;
}

.price-box-details li strong {
  color: #0f172a;
}

/* 三、本站内容导航：放在价格区之后 */
.content-nav-bar {
  background-color: #ffffff;
  border-bottom: 2px solid var(--primary-light);
  padding: 12px 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.content-nav-list {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  list-style: none;
  overflow-x: auto;
  white-space: nowrap;
  margin: 0;
  padding: 0;
}

.content-nav-list a {
  color: #334155;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.content-nav-list a:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  text-decoration: none;
}

.nav-sep {
  color: #cbd5e1;
  user-select: none;
}

/* 四、对应正文区 */
.article-main-body {
  padding: 36px 0 60px 0;
}

.content-block {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  margin-bottom: 28px;
}

.block-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.block-p {
  font-size: 0.98rem;
  color: #334155;
  line-height: 1.75;
  margin-bottom: 16px;
}

.evidence-box {
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 14px;
}

.evidence-box-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 8px;
}

.evidence-item {
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 6px;
}

.evidence-item strong {
  color: #1e293b;
}

.limitation-alert {
  background-color: #fff7ed;
  border-left: 3px solid #f97316;
  padding: 8px 12px;
  margin-top: 8px;
  font-size: 0.86rem;
  color: #9a3412;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* 优缺点对比（2列并排） */
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 14px;
}

.pros-panel {
  background-color: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm);
  padding: 20px;
}

.cons-panel {
  background-color: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: var(--radius-sm);
  padding: 20px;
}

.pros-panel h4 {
  color: #166534;
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.cons-panel h4 {
  color: #9a3412;
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.panel-list {
  list-style: none;
  font-size: 0.92rem;
  line-height: 1.65;
}

.panel-list li {
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
}

.pros-panel .panel-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #16a34a;
  font-weight: bold;
}

.cons-panel .panel-list li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: #ea580c;
  font-weight: bold;
}

/* 适合人群与不适合人群（2列并排） */
.audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 14px;
}

.audience-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 20px;
  background-color: #f8fafc;
}

.audience-card h4 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.audience-list {
  padding-left: 20px;
  font-size: 0.92rem;
  color: #334155;
  line-height: 1.7;
}

.audience-list li {
  margin-bottom: 8px;
}

/* 关联专题文章（3列并排） */
.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.article-link-box {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  background-color: #f8fafc;
}

.article-link-box h5 {
  font-size: 0.95rem;
  margin-bottom: 6px;
  line-height: 1.4;
}

.article-link-box p {
  font-size: 0.84rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* 页脚：严格仅保留四个标题，在新窗口打开，横向并排 */
.site-footer-clean {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 32px 0 24px 0;
  border-top: 1px solid #1e293b;
  font-size: 0.88rem;
}

.footer-nav-clean {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin-bottom: 16px;
  flex-wrap: nowrap;
}

.footer-nav-clean a {
  color: #cbd5e1;
  font-weight: 600;
  font-size: 0.92rem;
  white-space: nowrap;
}

.footer-nav-clean a:hover {
  color: #10b981;
  text-decoration: underline;
}

.footer-copy-clean {
  text-align: center;
  color: #64748b;
  font-size: 0.82rem;
}

/* 响应式调整 */


/* ==================== 响应式移动端完美适配 ==================== */
html, body {
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 16px 0;
}

@media (max-width: 1024px) {
  .pricing-row-side-by-side {
    grid-template-columns: repeat(2, 1fr);
  }
  .analysis-grid-12 {
    grid-template-columns: repeat(2, 1fr);
  }
  .related-articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .site-header-clean {
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  .header-inner {
    height: auto;
    flex-wrap: wrap;
    padding: 10px 16px 6px 16px;
    gap: 8px 12px;
  }
  .header-brand {
    gap: 6px;
  }
  .brand-icon {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }
  .brand-text {
    font-size: 1.02rem;
  }
  .brand-sub {
    display: none;
  }
  .header-cta-btn {
    font-size: 0.82rem;
    padding: 6px 12px;
    border-radius: 4px;
  }
  .header-nav {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    padding: 6px 0 4px 0;
    margin: 0;
    border-top: 1px solid #f1f5f9;
    scrollbar-width: none;
  }
  .header-nav::-webkit-scrollbar {
    display: none;
  }
  .header-nav li {
    flex-shrink: 0;
  }
  .header-nav a {
    font-size: 0.85rem;
    padding: 5px 10px;
    background-color: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    display: inline-block;
    color: #334155;
    line-height: 1.2;
  }
  .header-nav a:hover, .header-nav a:active {
    background-color: #ecfdf5;
    border-color: #a7f3d0;
    color: #059669;
  }
  .clean-hero {
    padding: 24px 0 20px 0;
  }
  .hero-h1 {
    font-size: 1.45rem;
    line-height: 1.35;
    margin-bottom: 10px;
  }
  .hero-scope-text {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 18px;
  }
  .btn-hero-action {
    display: block;
    width: 100%;
    max-width: 260px;
    text-align: center;
    margin: 0 auto;
    padding: 10px 18px;
    font-size: 0.95rem;
  }
  .pricing-section-clean {
    padding: 28px 0;
  }
  .section-clean-title {
    font-size: 1.3rem;
  }
  .section-clean-desc {
    font-size: 0.88rem;
    margin-bottom: 20px;
  }
  .pricing-row-side-by-side {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .price-box {
    padding: 20px 16px;
  }
  .price-box-cost {
    font-size: 1.65rem;
  }
  .price-box-btn {
    padding: 11px 16px;
    font-size: 0.95rem;
  }
  .article-main-body {
    padding: 24px 0 40px 0;
  }
  .analysis-grid-12 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .analysis-card-item {
    padding: 18px 16px;
  }
  .analysis-card-title {
    font-size: 1.08rem;
    line-height: 1.4;
  }
  .analysis-card-abstract {
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 14px;
  }
  .analysis-card-link {
    font-size: 0.88rem;
    padding: 6px 0;
  }
  .content-block {
    padding: 20px 16px;
    margin-bottom: 20px;
  }
  .block-title {
    font-size: 1.22rem;
  }
  .pros-cons-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .audience-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .related-articles-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .pricing-table {
    min-width: 520px;
  }
  .bottom-cta-banner {
    padding: 30px 16px;
    margin-top: 36px;
    border-radius: 8px;
  }
  .bottom-cta-banner h3 {
    font-size: 1.25rem !important;
  }
  .bottom-cta-banner p {
    font-size: 0.86rem !important;
    line-height: 1.55;
    margin-bottom: 18px;
  }
  .bottom-cta-banner .btn-hero-action {
    display: block;
    width: 100%;
    max-width: 260px;
    margin: 0 auto;
  }
  .site-footer-clean {
    padding: 24px 0 20px 0;
  }
  .footer-nav-clean {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 20px;
    margin-bottom: 12px;
  }
  .footer-nav-clean a {
    font-size: 0.88rem;
  }
  .footer-copy-clean {
    font-size: 0.78rem;
    line-height: 1.55;
    padding: 0 8px;
  }
}

@media (max-width: 380px) {
  .brand-text {
    font-size: 0.94rem;
  }
  .header-cta-btn {
    font-size: 0.78rem;
    padding: 5px 10px;
  }
  .hero-h1 {
    font-size: 1.3rem;
  }
}