.guide-hub-layout {
  width: calc(100% - (var(--site-desktop-gutter) * 2));
  max-width: 1160px;
  margin: 88px auto 72px;
  display: grid;
  grid-template-columns: 280px minmax(0, 620px);
  gap: 64px;
  align-items: start;
  overflow-wrap: anywhere;
}

.guide-hub-lead {
  width: 280px;
  padding-right: 48px;
  border-right: 1px solid var(--web-divider);
}

.guide-hub-kicker {
  margin: 0;
  color: var(--web-muted-text);
  font-family: "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  line-height: 22px;
}

.guide-hub-alt,
.guide-hub-heading,
.guide-hub-mobile-title {
  margin: 0;
  color: var(--web-primary-text);
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  font-size: 42px;
  font-weight: 400;
  line-height: 52px;
}

.guide-hub-alt[lang="en"] {
  font-family: Georgia, "Times New Roman", serif;
}

.guide-hub-mobile-title { display: none; }

.guide-hub-heading { margin-bottom: 16px; }

html[lang="zh-CN"] .guide-hub-heading {
  font-size: 38px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 50px;
}

.guide-hub-summary {
  margin: 0 0 48px;
  color: var(--web-body-text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  font-size: 17px;
  line-height: 30px;
}

.guide-category { margin: 0 0 44px; }
.guide-category:last-child { margin-bottom: 0; }

.guide-category h2 {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--web-divider);
  color: var(--web-muted-text);
  font-family: "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1.6px;
  line-height: 22px;
}

html[lang="zh-CN"] .guide-category h2 {
  font-weight: 600;
  letter-spacing: 0.12em;
}

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

.guide-card {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--web-divider);
  color: var(--web-primary-text);
  text-decoration: none;
}

.guide-card-copy {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.guide-card-title {
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  font-size: 21px;
  font-weight: 400;
  line-height: 30px;
}

html[lang="zh-CN"] .guide-card-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.guide-card-summary {
  color: var(--web-body-text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  font-size: 15px;
  line-height: 25px;
}

.guide-card time {
  color: var(--web-muted-text);
  font-family: "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  font-size: 11px;
  letter-spacing: 0.4px;
  line-height: 18px;
}

.guide-card-arrow {
  flex: 0 0 auto;
  margin-top: 5px;
  color: var(--web-accent);
  font-family: Georgia, serif;
  font-size: 18px;
  line-height: 24px;
}

@media (hover: hover) {
  .guide-card:hover .guide-card-title { color: var(--web-accent); }
}

.article-layout {
  width: calc(100% - (var(--site-desktop-gutter) * 2));
  max-width: 1160px;
  margin: 88px auto 72px;
  display: grid;
  grid-template-columns: 280px minmax(0, 620px);
  gap: 64px;
  align-items: start;
  overflow-wrap: anywhere;
}

.article-lead {
  width: 280px;
  padding-right: 48px;
  border-right: 1px solid var(--web-divider);
}

.article-lead .breadcrumb {
  margin: 0;
  color: var(--web-muted-text);
  font-family: "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  line-height: 22px;
}

.lead-rule {
  display: block;
  width: 56px;
  height: 1px;
  margin: 18px 0;
  background: var(--web-accent);
}

.article-section-label,
.article-heading,
.article-title {
  margin: 0;
  color: var(--web-primary-text);
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  font-size: 42px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 52px;
}

.article-section-label[lang="en"] {
  font-family: Georgia, "Times New Roman", serif;
}

.article-title { display: none; }

.article-heading {
  margin-bottom: 8px;
  font-size: 42px;
  line-height: 52px;
}

html[lang="zh-CN"] .article-heading {
  font-size: 38px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 50px;
}

html[lang="zh-CN"] .article-title {
  font-weight: 600;
}

.article-body {
  width: 100%;
  max-width: 620px;
  color: var(--web-body-text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 29px;
}

.summary {
  margin: 0 0 40px;
  color: var(--web-body-text);
  font-size: 17px;
  line-height: 30px;
}

.byline,
.reviewed {
  color: var(--web-muted-text);
  font-family: "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  font-size: 12px;
  letter-spacing: 0.4px;
  line-height: 20px;
}

.byline { margin: 0 0 20px; }
.reviewed { margin: 8px 0 0; }

.article-section { margin: 0 0 40px; }

.article-section h2 {
  margin: 0 0 10px;
  color: var(--web-primary-text);
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.2px;
  line-height: 30px;
}

html[lang="zh-CN"] .article-section h2 {
  font-size: 21px;
  font-weight: 600;
  line-height: 32px;
  letter-spacing: 0.06em;
}

.article-section p { margin: 0 0 18px; }
.article-section p:last-child { margin-bottom: 0; }

.sources-section ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--web-divider);
}

.sources-section li {
  padding: 13px 4px;
  border-top: 1px solid var(--web-divider);
  color: var(--web-muted-text);
  font-size: 13px;
  line-height: 20px;
}

.sources-section a {
  color: var(--web-primary-text);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.article-navigation {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--web-divider);
}

.article-back {
  color: var(--web-accent);
  font-family: "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.6px;
  line-height: 22px;
  text-underline-offset: 0.2em;
}

.related-guides { margin-top: 32px; }

.related-guides h2 {
  margin: 0 0 10px;
  color: var(--web-primary-text);
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  font-size: 19px;
  font-weight: 500;
  line-height: 30px;
}

html[lang="zh-CN"] .related-guides h2 {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 32px;
}

.related-guides ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--web-divider);
}

.related-guides li { border-top: 1px solid var(--web-divider); }

.related-guides a {
  display: block;
  padding: 12px 4px;
  color: var(--web-primary-text);
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  font-size: 16px;
  line-height: 26px;
  text-underline-offset: 0.18em;
}

@media (max-width: 767px) {
  .guide-hub-layout {
    width: calc(100% - 4rem);
    max-width: none;
    margin: 44px auto 56px;
    display: block;
  }

  .guide-hub-lead {
    width: 100%;
    padding: 0 0 24px;
    border-right: 0;
    border-bottom: 1px solid var(--web-divider);
  }

  .guide-hub-kicker {
    font-size: 11px;
    line-height: 16px;
  }

  .guide-hub-alt { display: none; }

  .guide-hub-mobile-title {
    display: block;
    font-size: 30px;
    line-height: 38px;
  }

  html[lang="zh-CN"] .guide-hub-mobile-title {
    font-weight: 600;
    letter-spacing: 0.06em;
  }

  .guide-hub-body { margin-top: 30px; }
  .guide-hub-heading {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .guide-hub-summary {
    margin-bottom: 36px;
    font-size: 16px;
    line-height: 26px;
  }

  .guide-category { margin-bottom: 36px; }

  .guide-category h2 {
    padding-bottom: 10px;
    font-size: 12px;
    line-height: 20px;
  }

  .guide-card {
    gap: 16px;
    padding: 18px 0;
  }

  .guide-card-title {
    font-size: 18px;
    line-height: 28px;
  }

  html[lang="zh-CN"] .guide-card-title { font-size: 18px; }

  .guide-card-summary {
    font-size: 14px;
    line-height: 24px;
  }

  .guide-card-arrow {
    margin-top: 3px;
    font-size: 17px;
  }

  .article-layout {
    width: calc(100% - 4rem);
    max-width: none;
    margin: 44px auto 56px;
    display: block;
  }

  .article-lead {
    width: 100%;
    padding: 0 0 24px;
    border-right: 0;
    border-bottom: 1px solid var(--web-divider);
  }

  .article-lead .breadcrumb {
    font-size: 11px;
    line-height: 16px;
  }

  .lead-rule { margin: 15px 0; }

  .article-title {
    display: block;
    font-size: 30px;
    line-height: 38px;
  }

  .article-section-label { display: none; }

  .article-heading {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .article-body {
    max-width: none;
    margin-top: 30px;
    font-size: 16px;
    line-height: 26px;
  }

  .article-navigation {
    margin-top: 40px;
    padding-top: 20px;
  }

  .article-back { font-size: 12px; }
  .related-guides { margin-top: 28px; }

  .summary {
    margin-bottom: 32px;
    font-size: 16px;
    line-height: 26px;
  }

  .byline {
    margin-bottom: 20px;
    font-size: 11px;
    line-height: 18px;
  }

  .article-section { margin-bottom: 32px; }

  .article-section h2 {
    margin-bottom: 10px;
    font-size: 18px;
    line-height: 26px;
  }

  .article-section p { margin-bottom: 18px; }

  .sources-section li {
    padding-block: 12px;
    font-size: 13px;
    line-height: 20px;
  }

  .reviewed {
    margin-top: 12px;
    font-size: 11px;
    line-height: 18px;
  }
}