:root {
  --paper: #f7f7f2;
  --paper-deep: #ecece4;
  --ink: #11151c;
  --muted: #5d6470;
  --rule: #20242c;
  --hairline: rgba(17, 21, 28, 0.16);
  --accent: #b91f2d;
  --accent-soft: #f4d9dd;
  --blue: #175e8a;
  --blue-soft: #d9e8f0;
  --panel: #ffffff;
  --content-width: 1180px;
  --radius: 6px;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  --sans: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  background:
    linear-gradient(rgba(17, 21, 28, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 21, 28, 0.018) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  min-height: 100vh;
}

body.document-open {
  overflow: hidden;
}

a {
  color: inherit;
}

.page-shell {
  width: min(calc(100% - 36px), var(--content-width));
  margin: 0 auto;
  padding: 18px 0 52px;
}

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 56px;
  border-bottom: 3px solid var(--rule);
  background: rgba(247, 247, 242, 0.94);
  backdrop-filter: blur(10px);
}

.masthead-brand {
  font-family: Georgia, serif;
  font-size: 1.12rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.masthead-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-end;
  font-size: 0.88rem;
}

.masthead-links a {
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

.masthead-links a:hover,
.source-link:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: stretch;
  padding: 28px 0 22px;
  border-bottom: 1px solid var(--rule);
}

.hero-copy {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px 0 8px;
}

.edition-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
}

.edition-line span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.eyebrow,
.section-kicker,
.label {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 26px 0 18px;
  font-family: var(--serif);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-summary {
  max-width: 880px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
  color: #29303a;
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.75;
}

.hero-meta {
  display: grid;
  align-content: stretch;
  border: 1px solid var(--rule);
  background: var(--panel);
}

.meta-block {
  min-height: 128px;
  padding: 22px;
  border-bottom: 1px solid var(--rule);
}

.meta-block:last-child {
  border-bottom: 0;
}

.meta-label {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.meta-block strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.16rem;
  line-height: 1.55;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--rule);
  margin-bottom: 42px;
}

.metric-card {
  padding: 20px 22px 22px 0;
  border-right: 1px solid var(--hairline);
}

.metric-card + .metric-card {
  padding-left: 22px;
}

.metric-card:last-child {
  border-right: 0;
}

.metric-value {
  display: block;
  margin-top: 8px;
  color: var(--rule);
  font-family: Georgia, serif;
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1;
}

.metric-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.section {
  margin-bottom: 48px;
  scroll-margin-top: 82px;
}

.section-head {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 22px;
  align-items: end;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--rule);
}

.section-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 2.1rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.signal-grid,
.highlights,
.cases,
.sources,
.china-grid,
.blog-grid,
.archive-grid {
  display: grid;
  gap: 0;
}

.signal-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--rule);
  background: var(--panel);
}

.signal-card {
  padding: 24px;
  border-right: 1px solid var(--rule);
}

.signal-card:last-child {
  border-right: 0;
}

.signal-card h3,
.highlight-card h3,
.case-card h3,
.brief-card h3,
.watch-card h3,
.source-card h3 {
  margin: 10px 0 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.3rem;
  line-height: 1.38;
  letter-spacing: 0;
}

.signal-card p,
.highlight-card p,
.case-card p,
.brief-card p,
.watch-card p,
.source-card p,
.source-card li {
  color: var(--muted);
  line-height: 1.72;
}

.highlights {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
}

.highlight-card {
  padding: 24px 24px 26px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: rgba(255, 255, 255, 0.56);
}

.highlight-card:nth-child(2n) {
  border-right: 0;
}

.highlight-card:first-child {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 30px;
  background: var(--panel);
}

.highlight-card:first-child h3 {
  font-size: 2.45rem;
  line-height: 1.15;
}

.highlight-card:first-child > p {
  font-size: 1.08rem;
}

.highlight-top,
.case-top,
.source-top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.story-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 28px;
  border: 1px solid var(--rule);
  color: var(--rule);
  font-family: Georgia, serif;
  font-weight: 900;
}

.badge,
.date-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
}

.badge {
  background: var(--blue-soft);
  color: var(--blue);
}

.date-pill {
  background: var(--accent-soft);
  color: var(--accent);
}

.highlight-meta {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.meta-row {
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
}

.meta-row strong,
.case-outcome strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 900;
}

.source-link {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
}

.source-link::after {
  content: " ->";
  margin-left: 6px;
}

.source-read-button {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin-top: 16px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

.source-read-button::after {
  content: " ->";
  margin-left: 6px;
}

.source-read-button:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cases {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--rule);
  background: var(--panel);
}

.case-card {
  padding: 20px;
  border-right: 1px solid var(--hairline);
}

.case-card:last-child {
  border-right: 0;
}

.case-card h3 {
  font-size: 1.18rem;
}

.case-card ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.case-card li {
  margin-bottom: 8px;
  color: var(--muted);
  line-height: 1.65;
}

.case-outcome {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 32px;
}

.brief-list,
.watchlist {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.brief-card,
.watch-card {
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline);
}

.china-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--rule);
  background: var(--panel);
}

.china-card {
  padding: 22px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.china-card:nth-child(2n) {
  border-right: 0;
}

.china-card:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.china-card h3 {
  margin: 10px 0 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.38;
}

.china-card p {
  color: var(--muted);
  line-height: 1.72;
}

.blog-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--rule);
  background: var(--panel);
}

.blog-card {
  padding: 22px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.blog-card:nth-child(3n) {
  border-right: 0;
}

.blog-card:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.blog-card h3 {
  margin: 10px 0 8px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.28rem;
  line-height: 1.38;
}

.blog-card p {
  color: var(--muted);
  line-height: 1.72;
}

.archive-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--rule);
  background: var(--panel);
}

.archive-card {
  min-height: 190px;
  padding: 20px;
  border-right: 1px solid var(--hairline);
  color: inherit;
  text-decoration: none;
}

.archive-card:last-child {
  border-right: 0;
}

.archive-card:hover {
  background: var(--blue-soft);
}

.archive-card.is-active {
  background: var(--accent-soft);
}

.archive-issue {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
}

.archive-card strong {
  display: block;
  font-family: Georgia, serif;
  font-size: 1.35rem;
  line-height: 1.25;
}

.archive-card p {
  color: var(--muted);
  line-height: 1.65;
}

.archive-card small {
  color: var(--muted);
  font-weight: 800;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--rule);
  background: var(--panel);
}

.source-reader {
  margin-bottom: 18px;
  padding: 24px;
  border: 2px solid var(--rule);
  background: var(--panel);
}

.reader-label {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.reader-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.reader-columns > div:first-child {
  padding-right: 28px;
  border-right: 1px solid var(--hairline);
}

.reader-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.source-reader h3 {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 1.55rem;
  line-height: 1.3;
}

.source-reader p {
  color: var(--muted);
  line-height: 1.75;
}

.reader-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
  font-size: 0.9rem;
}

.reader-note a {
  color: var(--blue);
  font-weight: 900;
}

.reader-section {
  margin-top: 18px;
}

.reader-section h4 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 900;
}

.source-card {
  padding: 20px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.source-card:nth-child(2n) {
  border-right: 0;
}

.source-card:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.footer {
  padding-top: 14px;
  border-top: 3px solid var(--rule);
  color: var(--muted);
  text-align: center;
  line-height: 1.8;
}

.load-error {
  width: min(calc(100% - 36px), 760px);
  margin: 80px auto;
  padding: 24px;
  border: 1px solid var(--rule);
  background: var(--panel);
  color: var(--accent);
  font-weight: 800;
}

.source-document {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  padding: 18px;
}

.source-document.is-open {
  display: block;
}

.source-document-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 21, 28, 0.58);
  backdrop-filter: blur(8px);
}

.source-document-page {
  position: relative;
  width: min(980px, calc(100vw - 36px));
  max-height: calc(100vh - 36px);
  margin: 0 auto;
  overflow: auto;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid var(--rule);
  background:
    linear-gradient(rgba(17, 21, 28, 0.026) 1px, transparent 1px),
    var(--panel);
  background-size: 100% 34px;
  box-shadow: 0 24px 80px rgba(17, 21, 28, 0.36);
}

.document-close {
  position: sticky;
  top: 0;
  z-index: 2;
  float: right;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

.document-close:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.document-hero {
  clear: both;
  padding-bottom: 28px;
  border-bottom: 2px solid var(--rule);
}

.document-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.document-meta span {
  display: inline-flex;
  padding: 5px 9px;
  border: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.document-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.document-hero h2 {
  margin: 0;
  max-width: 780px;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.08;
}

.document-title-en {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-family: Georgia, serif;
  font-size: 1.14rem;
  font-weight: 700;
  line-height: 1.55;
}

.document-deck {
  max-width: 760px;
  margin: 22px 0 0;
  color: #29303a;
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 1.8;
}

.document-summary-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid var(--rule);
}

.document-summary-strip div {
  padding: 18px 22px 18px 0;
}

.document-summary-strip div + div {
  padding-left: 22px;
  border-left: 1px solid var(--hairline);
}

.document-summary-strip strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-weight: 900;
}

.document-summary-strip p,
.document-footer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.76;
}

.document-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  padding: 28px 0;
}

.document-column:first-child {
  padding-right: 36px;
  border-right: 1px solid var(--hairline);
}

.document-column .reader-section p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.85;
}

.document-footer {
  padding-top: 18px;
  border-top: 2px solid var(--rule);
}

.document-footer strong {
  display: block;
  margin-bottom: 8px;
}

@media (max-width: 1024px) {
  .hero,
  .highlight-card:first-child,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .metrics,
  .signal-grid,
  .highlights,
  .cases,
  .china-grid,
  .blog-grid,
  .archive-grid,
  .source-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-card:nth-child(2n),
  .case-card:nth-child(2n),
  .china-card:nth-child(2n),
  .blog-card:nth-child(2n),
  .archive-card:nth-child(2n),
  .source-card:nth-child(2n),
  .highlight-card:nth-child(2n) {
    border-right: 0;
  }

  .signal-card,
  .case-card,
  .china-card,
  .blog-card,
  .archive-card {
    border-bottom: 1px solid var(--hairline);
  }

  .case-card:last-child {
    grid-column: 1 / -1;
    border-right: 0;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 22px), var(--content-width));
    padding-top: 8px;
  }

  .masthead {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 10px 0;
  }

  .masthead-links {
    justify-content: flex-start;
    gap: 12px;
  }

  .hero {
    padding-top: 14px;
  }

  .hero-copy {
    min-height: 0;
    padding-top: 12px;
  }

  .hero h1 {
    font-size: 4rem;
  }

  .hero-summary {
    font-size: 1.08rem;
  }

  .metrics,
  .signal-grid,
  .highlights,
  .cases,
  .china-grid,
  .blog-grid,
  .archive-grid,
  .source-grid {
    grid-template-columns: 1fr;
  }

  .metric-card,
  .metric-card + .metric-card,
  .signal-card,
  .highlight-card,
  .case-card,
  .china-card,
  .blog-card,
  .archive-card,
  .source-card {
    padding: 18px 0;
    border-right: 0;
  }

  .signal-card,
  .highlight-card,
  .case-card,
  .china-card,
  .blog-card,
  .archive-card,
  .source-card {
    padding-left: 16px;
    padding-right: 16px;
  }

  .highlight-card:first-child h3 {
    font-size: 1.8rem;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .section-head h2 {
    font-size: 1.55rem;
  }

  .source-card:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--hairline);
  }

  .blog-card:nth-last-child(-n + 3),
  .china-card:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--hairline);
  }

  .source-card:last-child,
  .signal-card:last-child,
  .case-card:last-child,
  .china-card:last-child,
  .blog-card:last-child,
  .highlight-card:last-child {
    border-bottom: 0;
  }

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

  .reader-columns > div:first-child {
    padding-right: 0;
    padding-bottom: 18px;
    border-right: 0;
    border-bottom: 1px solid var(--hairline);
  }

  .source-document {
    padding: 10px;
  }

  .source-document-page {
    width: calc(100vw - 20px);
    max-height: calc(100vh - 20px);
  }

  .document-summary-strip,
  .document-columns {
    grid-template-columns: 1fr;
  }

  .document-summary-strip div,
  .document-summary-strip div + div,
  .document-column:first-child {
    padding-left: 0;
    padding-right: 0;
    border-left: 0;
    border-right: 0;
  }

  .document-summary-strip div + div,
  .document-column:first-child {
    border-top: 1px solid var(--hairline);
  }

  .document-column:first-child {
    padding-bottom: 24px;
  }
}