/* 
 * 赔钱机场 - 瑞士海报编辑风格系统 (Swiss Poster Editorial UI)
 * 配色规范：暖纸白 #F2EFE7 | 墨黑 #141414 | 信号红 #E63312
 * 纯粹扁平：无阴影、无渐变、纯线框、严谨栅格与大字排版
 */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;700;800;900&display=swap');

:root {
  --bg-paper: #F2EFE7;
  --text-ink: #141414;
  --signal-red: #E63312;
  --border-line: #141414;
  --font-main: 'Archivo', -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* 瑞士现代主义：绝对平直方正 */
  box-shadow: none !important; /* 绝对无阴影 */
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-paper);
}

body {
  background-color: var(--bg-paper);
  color: var(--text-ink);
  font-family: var(--font-main);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  border-top: 6px solid var(--text-ink);
}

/* 链接基础 */
a {
  color: var(--text-ink);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
}

/* 顶部公告条 / 标语条 */
.ticker-bar {
  background-color: var(--text-ink);
  color: var(--bg-paper);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 8px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--text-ink);
  letter-spacing: 0.05em;
}

.ticker-highlight {
  color: var(--signal-red);
}

/* 顶部导航栏 */
.site-header {
  border-bottom: 2px solid var(--border-line);
  background-color: var(--bg-paper);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  min-height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  padding-right: 28px;
  border-right: 1px solid var(--border-line);
}

.brand-logo span {
  color: var(--signal-red);
  margin-left: 4px;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  display: flex;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0 20px;
  font-size: 0.95rem;
  font-weight: 700;
  border-right: 1px solid var(--border-line);
  white-space: nowrap;
}

.nav-link:hover {
  background-color: var(--text-ink);
  color: var(--bg-paper);
}

.nav-link.highlight-link {
  background-color: var(--signal-red);
  color: #FFFFFF;
}

.nav-link.highlight-link:hover {
  background-color: var(--text-ink);
  color: #FFFFFF;
}

.nav-cta {
  display: flex;
  align-items: center;
  padding-left: 20px;
}

/* 按钮规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-main);
  font-weight: 900;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 16px 32px;
  border: 2px solid var(--border-line);
  cursor: pointer;
  text-decoration: none;
  background-color: var(--text-ink);
  color: var(--bg-paper);
  transition: all 0.15s ease;
}

.btn:hover {
  background-color: var(--signal-red);
  border-color: var(--signal-red);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-ink);
  border: 2px solid var(--border-line);
}

.btn-secondary:hover {
  background-color: var(--text-ink);
  color: var(--bg-paper);
  border-color: var(--text-ink);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* 容器与网格 */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-block {
  padding: 80px 0;
  border-bottom: 2px solid var(--border-line);
}

/* 章节头部 (瑞士风标头) */
.section-meta-header {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  align-items: baseline;
  border-bottom: 2px solid var(--border-line);
  padding-bottom: 20px;
  margin-bottom: 48px;
}

.section-num {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1;
  -webkit-text-stroke: 2px var(--signal-red);
  color: transparent;
  letter-spacing: -0.05em;
}

.section-title-wrap h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.75rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-title-wrap p {
  color: #555555;
  font-size: 1rem;
  margin-top: 6px;
}

.section-badge {
  display: inline-block;
  border: 1px solid var(--border-line);
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* 主视觉区 (Hero Section) */
.hero-section {
  padding: 70px 0 80px 0;
  border-bottom: 2px solid var(--border-line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 48px;
  align-items: start;
}

.hero-stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--signal-red);
  color: var(--signal-red);
  padding: 6px 14px;
  font-size: 0.875rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(3rem, 7.2vw, 7.2rem);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.035em;
  color: var(--text-ink);
  margin-bottom: 24px;
}

.hero-title .red-mark {
  color: var(--signal-red);
  text-decoration: underline;
  text-decoration-thickness: 6px;
  text-underline-offset: 8px;
  text-decoration-color: var(--signal-red);
}

.hero-subtitle {
  font-size: clamp(1.15rem, 1.8vw, 1.6rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
  color: var(--text-ink);
  border-left: 4px solid var(--signal-red);
  padding-left: 16px;
}

.hero-desc {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #333333;
  margin-bottom: 36px;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.hero-manifesto-card {
  border: 2px solid var(--border-line);
  background-color: #FFFFFF;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.manifesto-header {
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 12px;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.manifesto-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.manifesto-stat-item {
  border: 1px solid var(--border-line);
  padding: 14px;
}

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--signal-red);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: #555555;
  margin-top: 4px;
}

.manifesto-quote {
  font-size: 0.95rem;
  line-height: 1.6;
  border-left: 3px solid var(--border-line);
  padding-left: 12px;
  font-style: normal;
  color: #222222;
}

/* 核心优势 (3个图文卡片) */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 2px solid var(--border-line);
}

.advantage-card {
  padding: 36px 30px;
  border-right: 2px solid var(--border-line);
  background-color: var(--bg-paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 380px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.advantage-card:last-child {
  border-right: none;
}

.advantage-card:hover {
  background-color: var(--text-ink);
  color: var(--bg-paper);
}

.advantage-card:hover .adv-top-index {
  color: var(--signal-red);
}

.advantage-card:hover .adv-title {
  color: #FFFFFF;
}

.advantage-card:hover .adv-desc {
  color: #CCCCCC;
}

.advantage-card:hover .adv-graphic {
  border-color: #FFFFFF;
}

.adv-top-index {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--signal-red);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.adv-graphic {
  border: 1px solid var(--border-line);
  padding: 16px;
  margin-bottom: 24px;
  background-color: #FFFFFF;
}

.advantage-card:hover .adv-graphic {
  background-color: #222222;
}

.adv-code-snippet {
  font-family: monospace;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-ink);
}

.advantage-card:hover .adv-code-snippet {
  color: #E63312;
}

.adv-title {
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.adv-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #444444;
}

/* 流媒体与 AI 支持图卡 */
.support-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.support-category-card {
  border: 2px solid var(--border-line);
  background-color: #FFFFFF;
  padding: 36px;
}

.category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--border-line);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.category-header h3 {
  font-size: 1.5rem;
  font-weight: 900;
}

.category-tag {
  background-color: var(--text-ink);
  color: #FFFFFF;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 800;
}

.support-items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.support-item {
  border: 1px solid var(--border-line);
  padding: 16px;
  background-color: var(--bg-paper);
}

.support-item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 900;
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.support-status {
  font-size: 0.75rem;
  color: var(--signal-red);
  font-weight: 900;
  border: 1px solid var(--signal-red);
  padding: 1px 6px;
}

.support-item-desc {
  font-size: 0.85rem;
  color: #555555;
}

/* 价格对比表 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.pricing-card {
  border: 2px solid var(--border-line);
  background-color: #FFFFFF;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.15s ease;
}

.pricing-card.featured-card {
  background-color: var(--text-ink);
  color: #FFFFFF;
  border: 2px solid var(--signal-red);
}

.pricing-card.featured-card .pricing-period,
.pricing-card.featured-card .pricing-feature-list li {
  color: #DDDDDD;
}

.pricing-card.featured-card .pricing-feature-list li strong {
  color: #FFFFFF;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 18px;
  background-color: var(--signal-red);
  color: #FFFFFF;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.pricing-tier-name {
  font-size: 1.25rem;
  font-weight: 900;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 16px 0 8px 0;
  border-bottom: 1px solid currentColor;
  padding-bottom: 16px;
}

.pricing-currency {
  font-size: 1.25rem;
  font-weight: 900;
}

.pricing-amount {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1;
  color: var(--signal-red);
}

.pricing-card.featured-card .pricing-amount {
  color: #FF4D2E;
}

.pricing-period {
  font-size: 0.85rem;
  font-weight: 700;
  color: #666666;
}

.pricing-traffic-tag {
  display: inline-block;
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 20px;
  padding: 4px 8px;
  background-color: var(--bg-paper);
  border: 1px solid var(--border-line);
}

.pricing-card.featured-card .pricing-traffic-tag {
  background-color: #222222;
  border-color: #444444;
  color: #FFFFFF;
}

.pricing-feature-list {
  list-style: none;
  margin-bottom: 30px;
}

.pricing-feature-list li {
  font-size: 0.875rem;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(100, 100, 100, 0.25);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-feature-list li::before {
  content: "■";
  color: var(--signal-red);
  font-size: 0.65rem;
}

/* 真实用户评价 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  border: 2px solid var(--border-line);
  background-color: #FFFFFF;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-score-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 12px;
}

.review-stars {
  color: var(--signal-red);
  font-weight: 900;
  letter-spacing: 2px;
}

.review-scenario-tag {
  font-size: 0.75rem;
  font-weight: 800;
  border: 1px solid var(--border-line);
  padding: 2px 8px;
}

.review-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #222222;
  margin-bottom: 20px;
}

.review-author {
  font-size: 0.85rem;
  font-weight: 800;
  color: #555555;
  display: flex;
  justify-content: space-between;
}

/* FAQ 常见问题解答 */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.faq-card {
  border: 2px solid var(--border-line);
  background-color: #FFFFFF;
  padding: 28px;
}

.faq-question {
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.faq-q-mark {
  color: var(--signal-red);
  font-weight: 900;
  font-size: 1.25rem;
  line-height: 1;
}

.faq-answer {
  font-size: 0.925rem;
  line-height: 1.75;
  color: #444444;
  padding-left: 24px;
  border-left: 1px solid var(--border-line);
}

/* 页脚 (规范：只保留四个标题，在新页面打开) */
.site-footer {
  background-color: var(--text-ink);
  color: var(--bg-paper);
  padding: 60px 0 40px 0;
  border-top: 4px solid var(--signal-red);
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-bottom: 40px;
  border-bottom: 1px solid #333333;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
}

.footer-title-link {
  color: #FFFFFF;
  font-size: 1.35rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  padding: 12px 0;
  border-bottom: 2px solid var(--signal-red);
  display: inline-block;
  margin-bottom: 12px;
  transition: color 0.15s ease;
}

.footer-title-link:hover {
  color: var(--signal-red);
}

.footer-col-desc {
  font-size: 0.85rem;
  color: #888888;
  line-height: 1.6;
}

.footer-bottom-bar {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #777777;
}

.footer-bottom-bar span.accent {
  color: var(--signal-red);
  font-weight: 700;
}

/* 资讯与文章页面专属排版 */
.article-header {
  padding: 60px 0 40px 0;
  border-bottom: 2px solid var(--border-line);
}

.article-hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.article-meta-row {
  display: flex;
  gap: 24px;
  font-size: 0.875rem;
  font-weight: 700;
  color: #666666;
  border-top: 1px solid var(--border-line);
  padding-top: 16px;
}

.article-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 50px 24px;
}

.article-body h2 {
  font-size: 1.85rem;
  font-weight: 900;
  margin: 48px 0 20px 0;
  border-bottom: 2px solid var(--border-line);
  padding-bottom: 10px;
  letter-spacing: -0.01em;
}

.article-body h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 32px 0 14px 0;
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #222222;
  margin-bottom: 22px;
}

.article-body ul, .article-body ol {
  margin: 20px 0 28px 24px;
  font-size: 1rem;
  line-height: 1.8;
}

.article-body li {
  margin-bottom: 10px;
}

.article-body blockquote {
  border-left: 4px solid var(--signal-red);
  padding: 16px 20px;
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-line);
  border-right: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
  margin: 30px 0;
  font-size: 1rem;
  color: #333333;
}

.article-body a.dofollow-link {
  color: var(--signal-red);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-body a.dofollow-link:hover {
  background-color: var(--signal-red);
  color: #FFFFFF;
}

.article-list-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin: 40px 0;
}

.news-card {
  border: 2px solid var(--border-line);
  background-color: #FFFFFF;
  padding: 32px;
  transition: all 0.2s ease;
}

.news-card:hover {
  background-color: #FAF8F2;
  border-color: var(--signal-red);
}

.news-card-title {
  font-size: 1.65rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 14px;
}

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

.news-card-title a:hover {
  color: var(--signal-red);
}

.news-card-snippet {
  font-size: 0.95rem;
  color: #444444;
  line-height: 1.7;
  margin-bottom: 20px;
}

.news-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  border-top: 1px solid var(--border-line);
  padding-top: 14px;
}

/* 响应式适配 (Mobile Responsive) */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  .advantage-card {
    border-right: none;
    border-bottom: 2px solid var(--border-line);
    min-height: auto;
  }
  .advantage-card:last-child {
    border-bottom: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .support-section-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .footer-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .ticker-bar {
    flex-direction: column;
    gap: 4px;
    text-align: center;
    padding: 8px 12px;
  }
  
  .nav-container {
    flex-direction: column;
    padding: 12px 16px;
    min-height: auto;
  }
  
  .brand-logo {
    border-right: none;
    border-bottom: 1px solid var(--border-line);
    padding: 0 0 10px 0;
    justify-content: center;
  }
  
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    margin: 10px 0;
  }
  
  .nav-link {
    padding: 8px 12px;
    font-size: 0.85rem;
    border-right: none;
    border-bottom: 1px solid var(--border-line);
  }
  
  .nav-cta {
    padding-left: 0;
    width: 100%;
    justify-content: center;
  }
  
  .nav-cta .btn {
    width: 100%;
    text-align: center;
  }
  
  .section-block {
    padding: 50px 0;
  }
  
  .section-meta-header {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
    min-height: 52px;
  }
  
  .footer-nav-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-title-link {
    display: block;
  }
  
  .footer-bottom-bar {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .support-items-grid {
    grid-template-columns: 1fr;
  }
}