:root {
  --page: #f4f6f8;
  --panel: #ffffff;
  --ink: #171a1f;
  --muted: #5d6673;
  --line: #242832;
  --blue: #2762a8;
  --red: #b83b3b;
  --green: #24745a;
  --gold: #c9982d;
  --soft-blue: #dce9f7;
  --soft-green: #dff0e9;
  --shadow: 4px 4px 0 var(--line);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(36, 40, 50, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 40, 50, 0.05) 1px, transparent 1px),
    var(--page);
  background-size: 22px 22px;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.page {
  width: min(100% - 20px, 1180px);
  margin: 0 auto;
  padding: 12px 0 44px;
}

.hero {
  display: grid;
  gap: 14px;
  align-items: end;
  border-bottom: 4px solid var(--line);
  padding: 14px 0 16px;
}

.hero > div {
  min-width: 0;
}

.compact-hero {
  min-height: auto;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 10px;
  font-family: Georgia, "Songti SC", "SimSun", serif;
  font-size: 34px;
  line-height: 1.06;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.summary {
  max-width: 820px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.quick-links {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 0;
  overflow-x: auto;
  background: rgba(244, 246, 248, 0.94);
  scrollbar-width: none;
}

.quick-links::-webkit-scrollbar {
  display: none;
}

.quick-links a,
.source-link,
.filter-form button {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 7px 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.quick-links a:nth-child(2n),
.source-link {
  background: var(--soft-blue);
}

.stamp {
  width: 152px;
  border: 3px solid var(--line);
  display: grid;
  align-content: center;
  justify-items: center;
  background: var(--gold);
  box-shadow: var(--shadow);
  padding: 16px 10px;
}

.stamp span,
.stamp small {
  font-size: 12px;
  font-weight: 900;
}

.stamp strong {
  margin: 8px 0;
  font-size: 24px;
  line-height: 1.1;
  text-align: center;
}

.desk-grid {
  display: grid;
  gap: 14px;
  margin: 18px 0;
}

.lead,
.followups,
.article-card,
.archive-card,
.filter-panel,
.stat-card,
.distribution-card,
.timeline-card,
.topic-strip a {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.lead,
.followups,
.article-card,
.archive-card,
.filter-panel,
.stat-card,
.distribution-card,
.timeline-card {
  padding: 15px;
}

.section-head,
.topic-title,
.meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.section-head {
  border-bottom: 2px solid var(--line);
  margin-bottom: 12px;
  padding-bottom: 10px;
}

.section-head h2,
.topic-title h2,
.archive-card h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

.section-head span,
.topic-title span,
.meta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.highlights {
  margin: 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
}

.followups p {
  border-left: 5px solid var(--green);
  margin-bottom: 12px;
  padding-left: 10px;
  line-height: 1.62;
}

.topic-band {
  scroll-margin-top: 62px;
  margin-top: 24px;
}

.topic-title {
  margin-bottom: 12px;
  border-top: 4px solid var(--line);
  padding-top: 12px;
}

.article-grid,
.archive-list {
  display: grid;
  gap: 14px;
}

.article-card {
  min-width: 0;
}

.meta {
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.article-card h3 {
  margin-bottom: 10px;
  font-family: Georgia, "Songti SC", "SimSun", serif;
  font-size: 20px;
  line-height: 1.22;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.article-card p,
.archive-card p {
  color: var(--muted);
  line-height: 1.62;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.chips span {
  border: 1px solid var(--line);
  padding: 5px 8px;
  background: var(--soft-green);
  font-size: 12px;
  font-weight: 900;
}

.source-link {
  width: fit-content;
  margin-top: 14px;
}

.filter-panel {
  margin: 18px 0;
}

.stats-panel {
  display: grid;
  gap: 14px;
  margin: 18px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  display: grid;
  gap: 4px;
  min-height: 108px;
  align-content: center;
}

.stat-card span,
.stat-card small,
.timeline-grid span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.stat-card strong {
  font-family: Georgia, "Songti SC", "SimSun", serif;
  font-size: 34px;
  line-height: 1;
  overflow-wrap: anywhere;
}

.primary-stat {
  background: var(--gold);
}

.distribution-row {
  display: grid;
  grid-template-columns: minmax(92px, 0.9fr) minmax(80px, 1fr);
  gap: 8px;
  align-items: center;
  border-top: 1px solid rgba(36, 40, 50, 0.26);
  padding: 9px 0;
  text-decoration: none;
}

.distribution-label,
.distribution-number {
  font-size: 13px;
  font-weight: 900;
}

.distribution-number {
  grid-column: 1 / -1;
  color: var(--muted);
}

.distribution-bar {
  height: 12px;
  border: 1px solid var(--line);
  background: #edf1f4;
}

.distribution-bar i {
  display: block;
  height: 100%;
  background: var(--blue);
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.timeline-grid div {
  border: 1px solid var(--line);
  background: var(--soft-blue);
  padding: 10px;
}

.timeline-grid strong {
  display: block;
  font-family: Georgia, "Songti SC", "SimSun", serif;
  font-size: 27px;
  line-height: 1;
}

.timeline-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.filter-form {
  display: grid;
  gap: 12px;
}

.filter-form label,
.setup-form label {
  display: grid;
  gap: 7px;
  font-weight: 900;
}

.filter-form input,
.filter-form select,
.setup-form input {
  width: 100%;
  min-height: 42px;
  border: 2px solid var(--line);
  padding: 10px;
  background: white;
  color: var(--ink);
  font: inherit;
}

.filter-form button {
  width: 100%;
  background: var(--gold);
  cursor: pointer;
}

.topic-strip {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.topic-strip a {
  display: grid;
  gap: 5px;
  padding: 12px;
  text-decoration: none;
}

.topic-strip span {
  color: var(--muted);
  font-size: 13px;
}

.archive-list {
  margin-top: 18px;
}

code {
  border: 1px solid var(--line);
  padding: 2px 5px;
  background: var(--panel);
}

.setup-panel {
  margin-top: 18px;
  border: 2px solid var(--line);
  background: var(--panel);
  padding: 15px;
  box-shadow: var(--shadow);
}

.setup-form {
  display: grid;
  gap: 14px;
}

.setup-form button {
  border: 2px solid var(--line);
  background: var(--gold);
  color: var(--ink);
  padding: 12px 16px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

#setupResult {
  margin-top: 18px;
  white-space: pre-wrap;
  overflow: auto;
}

@media (min-width: 760px) {
  .page {
    width: min(100% - 32px, 1180px);
    padding-top: 28px;
  }

  .hero {
    min-height: 270px;
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 30px;
    padding: 26px 0 26px;
  }

  .compact-hero {
    min-height: 210px;
  }

  h1 {
    font-size: 66px;
  }

  .summary {
    font-size: 18px;
  }

  .desk-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: 22px;
    margin: 28px 0;
  }

  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .library-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .article-card {
    min-height: 248px;
    padding: 18px;
  }

  .article-card h3 {
    font-size: 24px;
  }

  .filter-form {
    grid-template-columns: minmax(220px, 1fr) 180px 160px 110px;
    align-items: end;
  }

  .stats-panel {
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
    align-items: stretch;
  }

  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .distribution-card {
    grid-row: span 2;
  }

  .timeline-card {
    grid-column: 1;
  }

  .timeline-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .distribution-row {
    grid-template-columns: minmax(130px, 0.9fr) minmax(120px, 1fr) 96px;
  }

  .distribution-number {
    grid-column: auto;
    text-align: right;
  }

  .topic-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .setup-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}