:root {
  color-scheme: light;
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --ink: #202020;
  --muted: #6b6b6b;
  --faint: #a8a8a8;
  --line: #e6e4e1;
  --accent: #0075de;
  --accent-ink: #005aaa;
  --teal: #0f7b6c;
  --blue: #2563eb;
  --danger: #b42318;
  --shadow: 0 8px 28px rgb(15 23 42 / 7%);
  --radius: 8px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --container: 1120px;
  --reading: 790px;
  font-family:
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Noto Sans SC",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
}

body.modal-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid color-mix(in oklch, var(--accent) 48%, transparent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--surface);
  padding: 10px 14px;
  transition: transform 160ms var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.icon {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 20px;
  max-width: calc(var(--container) + 40px);
  margin: 0 auto;
  padding: 12px 20px;
  backdrop-filter: blur(18px);
  background: rgb(250 250 250 / 88%);
  border-bottom: 1px solid rgb(230 228 225 / 76%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: #191919;
  color: var(--surface);
}

.site-nav,
.site-actions,
.footer-links,
.hero-actions,
.modal-links,
.badge-row,
.card-facts,
.card-topline {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-nav a,
.footer-links a,
.text-link {
  color: var(--muted);
  font-weight: 650;
  transition-property: color, transform;
  transition-duration: 180ms;
  transition-timing-function: var(--ease-out);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--accent-ink);
}

@media (hover: hover) and (pointer: fine) {
  .site-nav a:hover,
  .footer-links a:hover,
  .text-link:hover {
    color: var(--ink);
  }
}

.site-actions {
  justify-content: flex-end;
}

main {
  max-width: calc(var(--container) + 40px);
  margin: 0 auto;
  padding: 22px 20px;
}

.hero-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.7fr);
  gap: 28px;
  align-items: stretch;
  min-height: 440px;
  padding: 42px 0 24px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-family: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0;
}

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

h1 {
  margin-bottom: 0;
  max-width: 820px;
  font-size: 3.55rem;
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1.55rem;
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
  line-height: 1.25;
}

.lead {
  max-width: 68ch;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.muted,
.small-muted {
  color: var(--muted);
}

.small-muted {
  font-size: 0.88rem;
}

.button,
.icon-button,
.segment-button {
  border: 0;
  transition-property: transform, background-color, border-color, color, box-shadow, opacity;
  transition-duration: 160ms;
  transition-timing-function: var(--ease-out);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-weight: 750;
}

.button.primary {
  background: #191919;
  color: var(--surface);
  box-shadow: 0 8px 18px rgb(15 23 42 / 10%);
}

.button.secondary {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}

.button:active,
.icon-button:active,
.segment-button:active,
.project-card:active,
.compact-item:active {
  transform: scale(0.97);
}

@media (hover: hover) and (pointer: fine) {
  .button:hover,
  .icon-button:hover,
  .segment-button:hover,
  .project-card:hover,
  .compact-item:hover {
    transform: translateY(-1px);
  }

  .button.primary:hover {
    background: #2f2f2f;
  }

  .button.secondary:hover,
  .icon-button:hover,
  .segment-button:hover {
    border-color: color-mix(in srgb, var(--accent) 38%, var(--line));
    box-shadow: var(--shadow);
  }
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-content: center;
}

.metric-tile,
.stat-card,
.chart-panel,
.project-card,
.side-panel,
.method-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.metric-tile {
  display: flex;
  min-height: 132px;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
}

.metric-tile span,
.stat-card span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.metric-tile strong,
.stat-card strong {
  font-family: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: 0;
}

.metric-tile small,
.stat-card small {
  color: var(--muted);
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 16px 0 38px;
}

.chart-panel {
  min-width: 0;
  padding: 16px;
}

.chart-panel.wide {
  grid-column: 1 / -1;
}

.panel-head,
.explorer-head,
.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.panel-head {
  margin-bottom: 12px;
}

.panel-head .icon {
  color: var(--accent);
  font-size: 1.5rem;
}

.chart-canvas {
  width: 100%;
  height: 320px;
}

.chart-panel.wide .chart-canvas {
  height: 380px;
}

.ranking-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  margin: 40px 0 48px;
}

.compact-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.compact-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 11px;
  transition-property: transform, border-color, background-color, box-shadow;
  transition-duration: 160ms;
  transition-timing-function: var(--ease-out);
}

.compact-item strong,
.compact-item small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compact-item small {
  color: var(--muted);
}

.mono {
  font-family: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
  font-variant-numeric: tabular-nums;
}

.rank-chip,
.risk-pill,
.appearance-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: max-content;
  max-width: 100%;
  border-radius: 999px;
  padding: 5px 9px;
  background: #f1f1ef;
  color: var(--accent-ink);
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.1;
}

.risk-pill {
  background: #eef6f4;
  color: var(--teal);
}

.source-status {
  background: #edf6ff;
  color: var(--accent-ink);
}

.explorer {
  padding: 28px 0 46px;
}

.explorer-head {
  margin-bottom: 18px;
}

.explorer-head .muted {
  max-width: 58ch;
  margin-bottom: 0;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto auto auto auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  padding: 10px;
}

.search-box,
.select-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0 12px;
  color: var(--muted);
}

.search-box input,
.select-wrap select {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.segment {
  display: inline-grid;
  grid-template-columns: repeat(3, auto);
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px;
  background: var(--surface);
}

.segment-button {
  min-height: 32px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  padding: 4px 10px;
  font-weight: 750;
}

.segment-button.is-active {
  background: #191919;
  color: var(--surface);
}

.results-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  color: var(--muted);
  font-size: 0.94rem;
}

.results-meta span:first-child {
  color: var(--ink);
  font-family: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
  font-weight: 850;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.project-grid.compact {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.project-grid[data-updating="true"] {
  opacity: 0.62;
  transform: translateY(4px);
}

.project-card {
  display: flex;
  min-height: 212px;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
  transition-property: transform, border-color, background-color, box-shadow, opacity;
  transition-duration: 180ms;
  transition-timing-function: var(--ease-out);
}

.card-topline {
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.8rem;
}

.project-card h3 a {
  text-decoration: none;
}

.project-card p {
  margin-bottom: auto;
  color: var(--muted);
}

.card-facts {
  flex-wrap: wrap;
  color: var(--muted);
  font-family: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
  font-size: 0.86rem;
}

.card-facts span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

@media (hover: hover) and (pointer: fine) {
  .project-card:hover,
  .compact-item:hover {
    border-color: color-mix(in srgb, var(--accent) 32%, var(--line));
    box-shadow: var(--shadow);
  }
}

.empty-state {
  grid-column: 1 / -1;
  border: 1px dashed var(--faint);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}

.page-hero,
.project-page {
  padding: 44px 0;
}

.page-hero {
  max-width: var(--reading);
}

.page-hero h1,
.project-hero h1 {
  font-size: 2.85rem;
}

.ranking-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.ranking-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
}

.ranking-table th,
.ranking-table td {
  border-bottom: 1px solid var(--line);
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
}

.ranking-table th {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.ranking-table tr:last-child td {
  border-bottom: 0;
}

.table-project {
  display: grid;
  gap: 4px;
}

.table-project span {
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

.project-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
}

.project-hero > * {
  min-width: 0;
}

.project-hero h1,
.project-hero .lead {
  overflow-wrap: anywhere;
}

.project-actions {
  display: grid;
  gap: 10px;
}

.badge-row {
  flex-wrap: wrap;
  margin-top: 18px;
}

.detail-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}

.stat-card {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.project-content-grid {
  display: grid;
  grid-template-columns: minmax(0, var(--reading)) 300px;
  gap: 20px;
  align-items: start;
}

.project-main {
  display: grid;
  gap: 12px;
}

.detail-block {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  padding: 18px 20px;
}

.detail-block p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.78;
}

.detail-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: #edf6ff;
  color: var(--accent-ink);
}

.detail-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.detail-list li {
  line-height: 1.72;
}

.project-side {
  display: grid;
  gap: 12px;
  position: sticky;
  top: 86px;
}

.side-panel {
  padding: 18px;
}

.side-panel h2 {
  margin-bottom: 14px;
  font-size: 1.1rem;
}

.meta-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.meta-list div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
}

.meta-list dt {
  color: var(--muted);
}

.meta-list dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.source-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.source-line a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-ink);
  font-weight: 700;
}

.compact-link {
  margin-top: 12px;
  font-size: 0.92rem;
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.topic-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f7f7f5;
  padding: 4px 8px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.25;
}

.heading-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-left: 1.15rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.related-section {
  margin-top: 34px;
}

.method-list {
  display: grid;
  gap: 10px;
}

.method-item {
  padding: 18px;
}

.method-item h2 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.method-item p {
  margin-bottom: 0;
  color: var(--muted);
}

.method-item a {
  color: var(--accent-ink);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  max-width: calc(var(--container) + 40px);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 28px 20px 40px;
  color: var(--muted);
}

.site-footer strong {
  color: var(--ink);
}

.site-footer p {
  margin: 6px 0 0;
}

.footer-links {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.modal-layer {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal-layer[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in oklch, var(--ink) 36%, transparent);
  opacity: 0;
  transition: opacity 180ms var(--ease-out);
}

.modal-panel {
  position: relative;
  width: min(440px, 100%);
  max-height: min(720px, calc(100dvh - 48px));
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  padding: 24px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px) scale(0.96);
  transition-property: transform, opacity;
  transition-duration: 180ms;
  transition-timing-function: var(--ease-out);
}

.modal-layer[data-open="true"] .modal-backdrop {
  opacity: 1;
}

.modal-layer[data-open="true"] .modal-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
}

.modal-panel h2 {
  padding-right: 44px;
}

.modal-panel p {
  color: var(--muted);
}

.qr-image {
  width: min(280px, 100%);
  margin: 18px auto 0;
  border-radius: var(--radius);
  background: var(--surface);
}

.compact-qr {
  width: min(220px, 100%);
}

.modal-links {
  flex-wrap: wrap;
  margin-top: 18px;
}

.motion-ok [data-animate] {
  opacity: 0;
  transform: translateY(18px);
}

.motion-ok [data-animate].is-visible {
  animation: reveal-up 520ms var(--ease-out) var(--reveal-delay, 0ms) both;
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .hero-band,
  .ranking-split,
  .project-content-grid {
    grid-template-columns: 1fr;
  }

  .hero-band {
    min-height: 0;
  }

  .project-side {
    position: static;
  }

  .project-actions {
    display: flex;
    flex-wrap: wrap;
  }

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

  .search-box {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 15px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 12px 14px;
  }

  .brand span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .site-nav {
    grid-column: 1 / -1;
    order: 3;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .site-nav a {
    white-space: nowrap;
  }

  main {
    padding: 18px 14px;
  }

  h1 {
    font-size: 2.55rem;
  }

  .page-hero h1,
  .project-hero h1 {
    font-size: 2.15rem;
  }

  .hero-band {
    padding-top: 28px;
  }

  .hero-metrics,
  .chart-grid,
  .toolbar,
  .project-hero {
    grid-template-columns: 1fr;
  }

  .chart-panel.wide {
    grid-column: auto;
  }

  .chart-canvas,
  .chart-panel.wide .chart-canvas {
    height: 300px;
  }

  .segment {
    width: 100%;
    grid-template-columns: repeat(3, 1fr);
  }

  .segment-button {
    padding-inline: 6px;
  }

  .compact-item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .compact-item .mono {
    grid-column: 2;
  }

  .detail-block {
    grid-template-columns: 1fr;
  }

  .meta-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .site-footer {
    flex-direction: column;
    padding: 24px 14px 34px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  [data-animate] {
    opacity: 1 !important;
    transform: none !important;
  }
}