:root {
  --background: #faf9f6;
  --text: #20201e;
  --accent: #20201e;
  --heading-font: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", Georgia, serif;
  --body-size: 16px;
  --article-gap: 28px;
  --article-padding: 25px;
  --body-leading: 1.85;
  --title-size: 25px;
  --important-size: 32px;
  --lead-size: 47px;
  --rule: color-mix(in srgb, var(--text) 38%, transparent);
  --muted: color-mix(in srgb, var(--text) 72%, var(--background));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: var(--body-size);
  line-height: var(--body-leading);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: 5px; }
a:hover { color: var(--accent); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
[hidden] { display: none !important; }
p, h1, h2, h3 { margin: 0; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
.newspaper { max-width: 1360px; margin: auto; padding: 42px 64px 32px; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 8px 16px; background: var(--background); z-index: 2; }
.skip-link:focus { top: 12px; }
.eyebrow { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; border-top: 1px solid var(--text); padding-top: 14px; font-size: 10px; letter-spacing: .14em; overflow-wrap: anywhere; }
.eyebrow > span { min-width: 0; }
.eyebrow [lang="en"] { font-weight: 700; letter-spacing: .25em; }
.masthead-title { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 40px 0 32px; text-align: center; }
h1 { min-width: 0; font-family: var(--heading-font); font-size: clamp(52px, 8vw, 104px); font-weight: 700; letter-spacing: -.055em; line-height: 1.1; overflow-wrap: anywhere; }
.tagline { max-width: 36em; color: var(--muted); font-family: var(--heading-font); font-size: 14px; line-height: 1.7; letter-spacing: .1em; overflow-wrap: anywhere; }
.edition-line { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; border-top: 1px solid var(--text); border-bottom: 1px solid var(--text); padding: 11px 0; font-size: 11px; overflow-wrap: anywhere; }
.edition-line > p { min-width: 0; }
.edition-divider { margin: 0 12px; color: var(--muted); }
.demo-badge { max-width: 100%; color: var(--accent); font-weight: 600; letter-spacing: .08em; }
.topics { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 28px; margin: 0; padding: 14px 0; list-style: none; border-bottom: 1px solid var(--rule); font-size: 11px; letter-spacing: .1em; color: var(--text); }
.topics li + li { border-left: 1px solid var(--rule); padding-left: 28px; }
.topics li { overflow-wrap: anywhere; max-width: 100%; }
.topics { padding-block: 0; gap: 0 28px; align-items: center; }
.topics a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 2px; text-decoration: none; }
.topics a:hover { text-decoration: underline; }
.topics a[aria-current="page"] { font-weight: 700; text-decoration: underline; text-decoration-thickness: 2px; }
.back-home { display: inline-flex; align-items: center; min-height: 44px; margin-top: 24px; font-size: 12px; }
.page-description { color: var(--muted); font-size: 12px; max-width: 64em; margin: 0 0 24px; overflow-wrap: anywhere; }
.news-section { margin-top: 46px; }
.news-section .section-heading { margin: 0 0 18px; border-bottom: 1px solid var(--text); padding-bottom: 12px; }
.section-heading h2 a { text-decoration: none; }
.section-heading h2 a:hover { text-decoration: underline; }
.more-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 12px; text-decoration: none; }
.more-link:hover { text-decoration: underline; }
.articles.section-preview { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.article.article--preview { grid-column: span 1; border-top: none; padding-top: 6px; }
.section-preview .article h3 { font-size: calc(var(--title-size) * 1.08); }
.article--preview h3 a { text-decoration: none; }
.article--preview h3 a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
.article--preview:target, .section-detail .article:target { outline: 1px solid var(--rule); outline-offset: 8px; }
.demo-notice { margin: 24px 0 30px; padding-left: 12px; border-left: 2px solid var(--accent); font-size: 12px; line-height: 1.8; overflow-wrap: anywhere; }
.demo-notice strong { color: var(--accent); font-weight: 600; margin-right: 10px; }
.demo-notice span { color: var(--muted); }
.section-heading { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 16px; margin: 42px 0 18px; overflow-wrap: anywhere; }
.section-heading h2 { font-family: var(--heading-font); font-size: 21px; font-weight: 600; letter-spacing: .08em; }
.section-heading p { font-size: 10px; color: var(--muted); letter-spacing: .05em; }
.articles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: calc(var(--article-gap) * 1.8) calc(var(--article-gap) * 1.25); }
.article { min-width: 0; grid-column: span 1; border-top: 1px solid var(--rule); padding-top: var(--article-padding); overflow-wrap: anywhere; }
.article--lead { grid-column: span 4; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 20px calc(var(--article-gap) * 2); border-top-color: var(--text); padding-bottom: var(--article-padding); }
.article--lead::before { content: "TODAY'S BRIEF / 今日聚焦"; grid-column: 1 / -1; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .14em; line-height: 1.6; }
.article--important { grid-column: span 2; border-top-color: var(--text); }
.article-meta { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; font-size: 10px; margin-bottom: 18px; }
.article-number { color: var(--accent); font-family: Georgia, serif; font-size: 13px; font-variant-numeric: tabular-nums; line-height: 1.2; }
.article-category { color: var(--muted); letter-spacing: .12em; }
.article-priority { margin-left: auto; color: var(--accent); font-size: 10px; }
.article--lead .article-priority { display: none; }
.article h3 { font-family: var(--heading-font); font-size: var(--title-size); font-weight: 600; line-height: 1.4; letter-spacing: -.025em; text-wrap: pretty; }
.article--lead h3 { max-width: 14em; font-size: calc(var(--lead-size) * 1.18); line-height: 1.25; letter-spacing: -.045em; }
.article--important h3 { font-size: calc(var(--important-size) * 1.1); line-height: 1.35; }
.article--lead .article-body { min-width: 0; border-left: 1px solid var(--rule); padding-left: calc(var(--article-gap) * 1.25); padding-top: 0; }
.article-brief { margin-top: 20px; color: var(--muted); text-wrap: pretty; }
.article--lead .article-brief { margin-top: 0; font-size: calc(var(--body-size) + 1px); }
.article-details { margin-top: 14px; }
.article-details summary { width: fit-content; max-width: 100%; min-height: 44px; cursor: pointer; color: var(--accent); font-size: 12px; line-height: 1.8; padding: 11px 4px; text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 5px; }
.article-details summary:hover { text-decoration-color: var(--accent); }
.article-details summary::marker { font-size: 9px; }
.details-close { display: none; }
.article-details[open] .details-open { display: none; }
.article-details[open] .details-close { display: inline; }
.article-summary { margin-top: 12px; padding-left: 12px; border-left: 1px solid var(--rule); white-space: pre-line; font-size: calc(var(--body-size) - 1px); }
.article-source { margin-top: 10px; font-size: 11px; color: var(--muted); }
.article-source a { display: inline-block; max-width: 100%; min-height: 44px; padding: 11px 4px; line-height: 2; vertical-align: middle; text-decoration-color: var(--rule); }
.article-source a:hover { text-decoration-color: var(--accent); }
.status { padding: 46px 0 60px; border-top: 1px solid var(--rule); }
.status h3 { font-family: var(--heading-font); font-size: 27px; margin-bottom: 12px; }
.status p { color: var(--muted); font-size: 14px; }
.status--error h3 { color: var(--accent); }
.footer { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; margin-top: 76px; border-top: 2px solid var(--text); padding-top: 20px; font-size: 11px; color: var(--muted); overflow-wrap: anywhere; }
.footer > p { min-width: 0; }
.footer > p:first-child { font-family: var(--heading-font); font-size: 16px; color: var(--text); overflow-wrap: anywhere; }
.footer [lang="en"] { display: block; margin-top: 4px; font-size: 9px; letter-spacing: .12em; }
.footer a { flex-shrink: 0; min-height: 44px; padding: 10px 4px; text-decoration: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

@media (min-width: 681px) and (max-width: 1000px) {
  .newspaper { padding-inline: 32px; }
  .articles { column-gap: var(--article-gap); }
  .article--lead { column-gap: 28px; }
  .article--lead .article-body { padding-left: 24px; }
  .article:not(.article--lead):not(.article--important) h3 { font-size: calc(var(--title-size) - 3px); }
}

@media (max-width: 680px) {
  .newspaper { padding: 22px 20px 24px; }
  .eyebrow { font-size: 9px; letter-spacing: .05em; }
  .eyebrow [lang="en"] { letter-spacing: .12em; }
  .masthead-title { display: flex; flex-direction: column; gap: 16px; padding: 34px 0 28px; }
  h1 { max-width: 100%; font-size: clamp(48px, 12vw, 78px); }
  .tagline { margin: 0; max-width: none; font-size: 13px; }
  .edition-line { font-size: 11px; }
  .edition-divider { margin: 0 6px; }
  .topics { gap: 6px 16px; }
  .topics li + li { padding-left: 16px; }
  .demo-notice { margin: 20px 0 28px; }
  .demo-notice strong, .demo-notice span { display: block; }
  .section-heading { margin-top: 32px; }
  .section-heading h2 { font-size: 19px; }
  .articles { grid-template-columns: minmax(0, 1fr); row-gap: calc(var(--article-gap) * 1.4); }
  .articles.section-preview { grid-template-columns: minmax(0, 1fr); }
  .news-section { margin-top: 34px; }
  .article.article--preview + .article.article--preview { border-top: 1px solid var(--rule); padding-top: var(--article-padding); }
  .section-preview .article h3 { font-size: var(--title-size); }
  .article, .article--lead, .article--important { grid-column: span 1; }
  .article--lead { display: block; }
  .article--lead::before { display: block; margin-bottom: 20px; font-size: 9px; letter-spacing: .1em; }
  .article--lead h3 { font-size: min(var(--lead-size), 40px); }
  .article--important h3 { font-size: min(var(--important-size), 30px); }
  .article--lead .article-body { border: 0; padding: 0; margin-top: 22px; }
  .footer { flex-wrap: wrap; margin-top: 44px; gap: 12px; }
  .footer > p:first-child { flex-basis: 100%; }
  .footer > p:nth-child(2) { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
