:root {
  color-scheme: dark;
  --bg: #08090b;
  --panel: #111317;
  --panel-2: #171a20;
  --line: #2c3038;
  --text: #f1efe8;
  --muted: #a9a398;
  --gold: #d5ae62;
  --red: #8f2f2f;
  --green: #6ea57b;
  --blue: #5f93b8;
  --teal: #5eb5a8;
  --chart-1: #d5ae62;
  --chart-2: #5eb5a8;
  --chart-3: #b8675f;
  --chart-4: #5f93b8;
  --chart-5: #9a7ac2;
  --chart-6: #7da267;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

main { min-height: 100vh; }

.language-toggle {
  position: fixed;
  top: 14px;
  right: 18px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  background: rgba(8, 9, 11, 0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
  backdrop-filter: blur(10px);
}
.language-toggle span {
  color: var(--muted);
  font-size: 12px;
}
.language-toggle button {
  min-width: 68px;
  border: 0;
  border-radius: 6px;
  padding: 7px 9px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
}
.language-toggle button.active {
  color: #111317;
  background: var(--gold);
  font-weight: 800;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(213, 174, 98, 0.48);
  border-radius: 8px;
  color: #f4dfb2;
  background: rgba(8, 9, 11, 0.82);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  backdrop-filter: blur(8px);
}
.back-to-top:hover,
.back-to-top:focus-visible {
  color: #111317;
  background: var(--gold);
  outline: none;
}

.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 40px;
  align-items: end;
  padding: 72px min(6vw, 84px) 42px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(8, 9, 11, 0.94), rgba(8, 9, 11, 0.74)),
    url("https://cdn.cloudflare.steamstatic.com/steam/apps/2358720/header.jpg") center / cover;
}

.eyebrow {
  color: var(--gold);
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 700;
}

h1 {
  margin: 8px 0 18px;
  max-width: 980px;
  font-size: clamp(42px, 7vw, 92px);
  line-height: 0.95;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h2 {
  margin: 0 0 20px;
  font-size: 30px;
  letter-spacing: 0;
}

h3 { margin: 0 0 12px; font-size: 18px; }
p { line-height: 1.6; }

.subtitle {
  max-width: 780px;
  color: #d8d3c8;
  font-size: 19px;
}

.subtitle.cn { color: var(--muted); }

.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.preview-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.preview-status strong, .preview-status span {
  border: 1px solid rgba(213, 174, 98, 0.55);
  background: rgba(143, 47, 47, 0.32);
  color: #f4dfb2;
  padding: 8px 10px;
  border-radius: 6px;
}
.preview-note-cn, .warning {
  max-width: 860px;
  color: #f1c681;
  background: rgba(143, 47, 47, 0.2);
  border: 1px solid rgba(213, 174, 98, 0.35);
  padding: 10px 12px;
  border-radius: 8px;
}
.badge {
  display: inline-flex;
  border: 1px solid var(--line);
  background: rgba(17, 19, 23, 0.82);
  color: var(--muted);
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
}
.badge.ok { border-color: rgba(110, 165, 123, 0.55); color: #bfe1c6; }
.badge.warn { border-color: rgba(213, 174, 98, 0.65); color: #f2d79e; }

.hero-metrics {
  display: grid;
  gap: 10px;
}
.hero-metrics div, .kpi-grid article, .chart-card, .insight-card, .method-note, .panel, .risk-matrix article {
  background: rgba(17, 19, 23, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.hero-metrics div { padding: 18px; }
.hero-metrics span, .kpi-grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}
.hero-metrics strong, .kpi-grid strong {
  display: block;
  margin-top: 7px;
  font-size: 30px;
}

.evidence-narrative-shell {
  padding: 34px min(6vw, 84px) 56px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 19, 23, 0.96), rgba(8, 9, 11, 0.98));
}
.not-production-banner {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(213, 174, 98, 0.58);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  background: rgba(143, 47, 47, 0.22);
}
.not-production-banner strong {
  color: #f4dfb2;
  font-size: 16px;
}
.not-production-banner p {
  max-width: 980px;
  margin: 0;
  color: #e4d3ad;
}
.source-boundary-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.source-boundary-badge {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  border: 1px solid rgba(213, 174, 98, 0.35);
  border-radius: 6px;
  padding: 6px 9px;
  color: #ead9af;
  background: rgba(213, 174, 98, 0.08);
  font-size: 12px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.source-boundary-badge--confidence { border-color: rgba(94, 181, 168, 0.48); color: #bce9df; background: rgba(94, 181, 168, 0.1); }
.source-boundary-badge--warning { border-color: rgba(213, 174, 98, 0.7); color: #f4dfb2; background: rgba(143, 47, 47, 0.22); }
.source-boundary-badge--private { border-color: rgba(95, 147, 184, 0.55); color: #c9dff0; background: rgba(95, 147, 184, 0.1); }
.source-boundary-badge--blocked { border-color: rgba(184, 103, 95, 0.62); color: #efc7c2; background: rgba(184, 103, 95, 0.12); }
.evidence-boundary-hero,
.core-finding-panel,
.reader-path-preview {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
  gap: 22px;
  margin-top: 24px;
  align-items: start;
}
.evidence-boundary-lead,
.core-finding-copy p,
.reader-path-preview p {
  color: #d8d3c8;
}
.boundary-card-grid,
.evidence-chip-grid,
.reader-path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.boundary-card-grid article,
.evidence-chip-grid article,
.reader-path-grid article,
.core-finding-copy {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 19, 23, 0.86);
}
.boundary-card-grid h3,
.evidence-chip-grid h3,
.reader-path-grid h3 {
  margin-top: 12px;
  overflow-wrap: anywhere;
}
.boundary-card-grid p,
.evidence-chip-grid p,
.reader-path-grid p {
  margin-bottom: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.evidence-narrative-modules {
  padding: 34px min(6vw, 84px) 58px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 9, 11, 0.98);
}
.narrative-module {
  min-width: 0;
  margin-top: 22px;
}
.narrative-module--intro {
  display: grid;
  grid-template-columns: minmax(0, 0.68fr) minmax(260px, 0.32fr);
  gap: 18px;
  align-items: start;
  margin-top: 0;
  padding: 18px;
  border: 1px solid rgba(95, 147, 184, 0.34);
  border-radius: 8px;
  background: rgba(23, 26, 32, 0.78);
}
.narrative-module--intro p {
  max-width: 960px;
  margin-bottom: 0;
  color: #d8d3c8;
}
.narrative-module__header {
  max-width: 900px;
  margin-bottom: 14px;
}
.narrative-module__header p {
  margin-bottom: 6px;
}
.coverage-matrix,
.narrative-card-grid,
.reader-step-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.coverage-card,
.narrative-card,
.roadmap-card,
.reader-step {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(17, 19, 23, 0.9);
}
.coverage-card,
.narrative-card {
  padding: 16px;
}
.coverage-card__head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
  justify-content: space-between;
}
.coverage-card h3,
.narrative-card h3,
.roadmap-card h3,
.reader-step h3 {
  overflow-wrap: anywhere;
}
.coverage-card dl {
  display: grid;
  gap: 7px;
  margin: 12px 0 0;
}
.coverage-card dt {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}
.coverage-card dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
}
.narrative-card p {
  color: var(--muted);
  overflow-wrap: anywhere;
}
.narrative-card strong {
  display: block;
  margin-bottom: 4px;
  color: #d8d3c8;
}
.supported-card {
  border-color: rgba(94, 181, 168, 0.32);
}
.unsupported-card {
  border-color: rgba(184, 103, 95, 0.42);
}
.caveat-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.caveat-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  min-width: 0;
  padding: 14px;
  border: 1px solid rgba(213, 174, 98, 0.34);
  border-radius: 8px;
  background: rgba(17, 19, 23, 0.9);
}
.caveat-list span {
  min-width: 0;
  color: var(--muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
}
.roadmap-list {
  display: grid;
  gap: 10px;
}
.roadmap-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 15px;
}
.roadmap-card p,
.reader-step p {
  margin-bottom: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.reader-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 15px;
}
.reader-step > span {
  display: inline-grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(95, 147, 184, 0.55);
  border-radius: 999px;
  color: #c9dff0;
  background: rgba(95, 147, 184, 0.1);
  font-weight: 800;
}

.section-nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 10px min(6vw, 84px);
  background: rgba(8, 9, 11, 0.94);
  border-bottom: 1px solid var(--line);
}
.section-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 6px;
  white-space: nowrap;
}
.section-nav a:hover { color: var(--text); background: var(--panel-2); }

.report-section {
  padding: 56px min(6vw, 84px);
  border-bottom: 1px solid var(--line);
}
.section-lead { max-width: 760px; color: var(--muted); }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.kpi-grid article { padding: 18px; }
.kpi-grid p { color: var(--muted); margin-bottom: 0; }

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 18px;
  align-items: stretch;
}
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.insight-card, .chart-card, .method-note, .panel { padding: 20px; }
.insight-card p, .method-note p, .panel li, .note, .muted { color: var(--muted); }

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}
.dashboard-grid .chart-card:first-child {
  grid-column: 1 / -1;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(110px, 0.35fr) minmax(120px, 1fr) 60px;
  gap: 10px;
  align-items: center;
  margin: 10px 0;
  font-size: 13px;
}
.bar-row div {
  height: 9px;
  background: #252a32;
  border-radius: 999px;
  overflow: hidden;
}
.bar-row i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--red));
}

.upgraded-chart { min-height: 280px; }
.chart-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.chart-head p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.confidence {
  flex: 0 0 auto;
  border: 1px solid rgba(94, 181, 168, 0.55);
  color: #bce9df;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 12px;
}
.chart-meaning {
  margin: 16px 0 0;
  color: #d7d0c2;
  font-size: 13px;
}
.chart-meaning b { color: var(--gold); }
.rank-chart { display: grid; gap: 10px; }
.rank-row {
  display: grid;
  grid-template-columns: 28px minmax(90px, 0.42fr) minmax(120px, 1fr) minmax(44px, auto);
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.rank-index {
  width: 24px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(213, 174, 98, 0.18);
  color: #f3d795;
  font-weight: 800;
}
.rank-label { overflow-wrap: anywhere; }
.rank-track {
  height: 12px;
  background: #242932;
  border-radius: 999px;
  overflow: hidden;
}
.rank-track i {
  display: block;
  height: 100%;
  min-width: 5%;
  background: linear-gradient(90deg, var(--teal), var(--gold));
}
.line-chart svg {
  width: 100%;
  height: 240px;
  background: linear-gradient(180deg, rgba(95, 147, 184, 0.12), rgba(17, 19, 23, 0));
  border-radius: 8px;
}
.line-chart line { stroke: rgba(241, 239, 232, 0.18); stroke-width: 0.7; }
.line-chart polyline {
  fill: none;
  stroke: var(--teal);
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.line-chart circle { fill: var(--gold); stroke: var(--bg); stroke-width: 0.8; }
.chart-scale { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; margin-top: 8px; }
.donut-wrap {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}
.donut {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}
.donut span {
  width: 86px;
  height: 86px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--panel);
  color: var(--text);
  font-weight: 800;
}
.donut-legend {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 9px;
}
.donut-legend li {
  display: grid;
  grid-template-columns: 12px minmax(80px, 1fr) auto;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}
.donut-legend span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.donut-legend b, .rank-row b, .stacked-row b { color: var(--text); }
.stacked-chart { display: grid; gap: 12px; }
.stacked-row {
  display: grid;
  grid-template-columns: minmax(100px, 0.34fr) minmax(120px, 1fr) auto;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.stacked-row div {
  height: 13px;
  display: flex;
  overflow: hidden;
  border-radius: 999px;
  background: #242932;
}
.stacked-row i, .stacked-row em { display: block; height: 100%; }
.stacked-row i { background: var(--teal); }
.stacked-row em { background: var(--red); }
.chart-legend { color: var(--muted); font-size: 12px; }
.chart-legend span {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin: 0 5px 0 14px;
}
.legend-a { background: var(--teal); }
.legend-b { background: var(--red); }
.confidence-matrix {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}
.confidence-matrix article {
  padding: 12px;
  background: rgba(23, 26, 32, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.confidence-matrix b { color: var(--gold); font-size: 12px; }
.confidence-matrix strong { display: block; margin: 8px 0 4px; }
.confidence-matrix p { margin: 0; color: var(--muted); font-size: 12px; }
.timeline-chart {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.timeline-chart li {
  position: relative;
  padding-left: 24px;
}
.timeline-chart li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(213, 174, 98, 0.14);
}
.timeline-chart time { color: var(--teal); font-size: 12px; }
.timeline-chart b { display: block; margin-top: 3px; }
.timeline-chart p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }

.risk-matrix {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.risk-matrix article { padding: 16px; border-left: 3px solid var(--red); }
.risk-matrix span { display: block; color: var(--gold); margin: 8px 0; text-transform: uppercase; font-size: 12px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--gold); font-size: 13px; }
td { color: #d5d0c7; }

.report-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}
.report-nav a {
  color: #d9c79c;
  text-decoration: none;
  padding: 8px 10px;
  border: 1px solid rgba(213, 174, 98, 0.28);
  border-radius: 6px;
  background: rgba(213, 174, 98, 0.08);
}
.full-report-grid {
  display: grid;
  gap: 18px;
}
.full-report-section {
  border: 1px solid var(--line);
  background: rgba(17, 19, 23, 0.9);
  border-radius: 8px;
  padding: 22px;
}
.full-report-section header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.full-report-section header span {
  order: 2;
  color: #bce9df;
  border: 1px solid rgba(94, 181, 168, 0.45);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 12px;
}
.report-block {
  display: grid;
  grid-template-columns: minmax(100px, 0.18fr) minmax(0, 1fr);
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 12px;
  margin-top: 12px;
}
.report-block b { color: var(--gold); }
.report-block p, .report-block ul { margin: 0; color: #d5d0c7; }

.footer {
  padding: 44px min(6vw, 84px);
  background: #050607;
  color: var(--muted);
}
.footer h2 { color: var(--text); }

@media (max-width: 900px) {
  .hero, .two-col { grid-template-columns: 1fr; }
  .evidence-boundary-hero, .core-finding-panel, .reader-path-preview { grid-template-columns: 1fr; }
  .boundary-card-grid, .evidence-chip-grid, .reader-path-grid { grid-template-columns: 1fr; }
  .narrative-module--intro, .coverage-matrix, .narrative-card-grid, .reader-step-grid, .roadmap-card { grid-template-columns: 1fr; }
  .evidence-narrative-shell { padding: 28px 28px 42px; }
  .evidence-narrative-modules { padding: 28px 28px 42px; }
  .hero { min-height: auto; padding: 54px 28px 32px; overflow: hidden; }
  h1 { font-size: clamp(34px, 11vw, 56px); line-height: 1.02; }
  .kpi-grid, .insight-grid, .risk-matrix, .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-grid .chart-card:first-child { grid-column: auto; }
  .bar-row { grid-template-columns: 1fr; }
  .language-toggle { position: sticky; top: 0; right: auto; width: 100%; border-radius: 0; justify-content: flex-start; }
  .back-to-top { right: 14px; bottom: 14px; width: 34px; height: 34px; font-size: 16px; }
  .rank-row, .stacked-row, .donut-wrap, .report-block { grid-template-columns: 1fr; }
  .confidence-matrix { grid-template-columns: 1fr; }
  .line-chart svg { height: 200px; }
  body { overflow-x: hidden; }
  .preview-status strong, .preview-status span, .badge { max-width: 100%; overflow-wrap: anywhere; }
  .source-boundary-badge { white-space: normal; }
  .caveat-list li { flex-direction: column; }
}

@media (max-width: 430px) {
  .hero { padding-left: 28px; padding-right: 28px; }
  h1 { font-size: 35px; }
  .subtitle { font-size: 18px; }
  h2 { font-size: 24px; }
  .narrative-module--intro, .coverage-card, .narrative-card, .roadmap-card, .reader-step { padding: 14px; }
}