:root {
  --paper: #fbfaf6;
  --ink: #234c43;
  --text: #455b53;
  --muted: #65756c;
  --line: #d8dfd5;
  --gold: #b7793d;
  --serif: Georgia, 'Noto Serif SC', 'Songti SC', SimSun, serif;
  --sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: Consolas, 'SFMono-Regular', monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 25px;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 15px/1.8 var(--sans);
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
button,
select {
  font: inherit;
}
button,
a,
select {
  touch-action: manipulation;
}
button,
select {
  color: var(--ink);
}
button {
  cursor: pointer;
}
a:focus-visible,
button:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
}
h2 {
  font-size: 34px;
  line-height: 1.4;
}
h3 {
  font-size: 21px;
  line-height: 1.5;
}
.wrap {
  width: min(1160px, calc(100% - 64px));
  margin: auto;
}
.skip {
  position: absolute;
  top: -80px;
  left: 12px;
  background: var(--ink);
  color: white;
  padding: 12px;
  z-index: 100;
}
.skip:focus {
  top: 12px;
}
.topbar {
  min-height: 96px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.brand {
  font: 700 30px var(--serif);
  letter-spacing: -1px;
}
.brand span {
  display: block;
  font: 8px var(--mono);
  letter-spacing: 2px;
  margin-top: 6px;
}
nav {
  display: flex;
  gap: 30px;
  font-size: 13px;
}
.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 70px;
  padding-block: 74px 58px;
  align-items: center;
}
.eyebrow {
  font: 10px/1.6 var(--mono);
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 20px;
}
h1 {
  font-size: clamp(38px, 4.4vw, 59px);
  line-height: 1.5;
  letter-spacing: -1px;
}
h1 span {
  color: var(--gold);
}
.hero-intro {
  font-size: 15px;
  line-height: 2.1;
  color: var(--text);
  margin-top: 24px;
}
.actions {
  display: flex;
  gap: 30px;
  align-items: center;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  justify-content: space-between;
  gap: 32px;
  background: var(--ink);
  color: white;
  padding: 12px 20px;
  font-size: 13px;
}
.button:hover {
  background: #356658;
  text-decoration: none;
}
.text-link {
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 6px;
}
.hero-facts {
  display: flex;
  gap: 35px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.hero-facts b {
  display: block;
  font-size: 13px;
  font-weight: 500;
}
.hero-facts span {
  font-size: 10px;
  color: var(--muted);
}
.research-sheet {
  background: var(--ink);
  color: #e4ebdd;
  padding: 27px 30px 30px;
  transform: rotate(2deg);
  box-shadow: 13px 13px 0 #e6e9dc;
}
.sheet-top {
  display: flex;
  justify-content: space-between;
  font: 9px var(--mono);
  letter-spacing: 1px;
  color: #b9ccb9;
}
.research-sheet h2 {
  font-size: 42px;
  line-height: 1.4;
  margin: 25px 0;
}
.folds {
  display: grid;
  gap: 10px;
}
.folds > div {
  display: flex;
  gap: 8px;
}
.folds i {
  height: 22px;
  background: #81a98d;
  flex: 1;
}
.folds .test,
.legend i.test {
  background: #d6aa71;
}
.legend {
  display: grid;
  gap: 5px;
  margin-top: 16px;
  font-size: 9px;
  color: #cbdcc9;
}
.legend i {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #81a98d;
  margin-right: 6px;
}
.research-sheet > p {
  font: 19px/1.7 var(--serif);
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid #59776a;
}
.data-note {
  display: flex;
  gap: 28px;
  padding: 23px 27px;
  background: #efeee4;
  border-left: 3px solid var(--gold);
  margin-top: 8px;
}
.note-label {
  font-size: 11px;
  white-space: nowrap;
  color: #936537;
  letter-spacing: 1px;
  padding-top: 3px;
}
.data-note p {
  font-size: 12px;
  color: var(--text);
  line-height: 1.95;
}
.section {
  padding-block: 78px;
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 25px;
  margin-bottom: 30px;
}
.section-heading .eyebrow {
  margin-bottom: 10px;
}
.section-heading > a {
  font-size: 12px;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}
.method-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 100px;
}
.section-lede {
  font-size: 15px;
  color: var(--text);
  line-height: 2.1;
}
.section-lede.compact {
  max-width: 750px;
  font-size: 13px;
  margin-bottom: 27px;
}
.pipeline {
  list-style: none;
  padding: 0;
  margin: 0;
}
.pipeline li {
  display: flex;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding: 19px 0;
}
.pipeline li > span {
  font: 11px var(--mono);
  color: var(--gold);
  padding-top: 8px;
}
.pipeline h3 {
  font-size: 19px;
}
.pipeline p {
  font-size: 12px;
  margin-top: 7px;
  color: var(--text);
}
.results-section {
  background: #f0f3ed;
  padding: 65px 0 60px;
}
.badge {
  font-size: 10px;
  padding: 5px 11px;
  border: 1px solid #c6d2bf;
  background: #e5ecdf;
  white-space: nowrap;
}
.task-tabs {
  display: flex;
  border-bottom: 1px solid #bac9b9;
  gap: 4px;
  overflow: auto;
  margin-top: 25px;
}
.task-tabs button {
  flex: 1;
  white-space: nowrap;
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 13px 16px;
  font-size: 12px;
}
.task-tabs button[aria-pressed='true'] {
  border-bottom-color: var(--ink);
  background: #e0e8db;
  font-weight: 600;
}
.run-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font: 10px/1.8 var(--mono);
  color: var(--muted);
  padding: 18px 0;
}
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 26px 28px;
}
.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.caption {
  display: block;
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 7px;
  letter-spacing: 0.05em;
}
.panel-heading label,
.model-toolbar label {
  font-size: 10px;
  color: var(--muted);
  display: flex;
  gap: 10px;
  align-items: center;
}
.panel-heading > span {
  font-size: 10px;
  color: var(--muted);
}
select {
  background: #fbfaf6;
  border: 1px solid #a9bbaa;
  padding: 9px 30px 9px 11px;
  border-radius: 0;
  max-width: 100%;
  font-size: 12px;
  min-height: 40px;
}
.chart-note {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.85;
  margin-top: 9px;
}
.comparison svg {
  display: block;
  width: 100%;
  max-width: 940px;
  margin: 20px auto 0;
}
.chart-svg {
  width: 100%;
  height: auto;
  overflow: visible;
  font-family: var(--sans);
}
.chart-svg text {
  fill: var(--text);
  font-size: 12px;
}
.chart-svg .grid {
  stroke: #dfe5da;
  stroke-width: 1;
}
.chart-svg .axis {
  stroke: #aabba9;
  stroke-width: 1;
}
.chart-svg .small {
  font-size: 10px;
}
details {
  margin-top: 15px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
summary {
  cursor: pointer;
  font-size: 11px;
}
.table-scroll {
  overflow: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 15px;
}
th,
td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
th {
  font-weight: 500;
}
caption {
  text-align: left;
  font-size: 10px;
  color: var(--muted);
  padding-block: 6px;
}
.model-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 32px 0 18px;
}
.diagnostic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}
.diagnostic-grid .panel {
  min-width: 0;
}
.diagnostic-grid svg {
  margin-top: 12px;
}
#confusion-chart {
  overflow: auto;
  margin-top: 28px;
}
#confusion-chart table {
  margin: 0;
  min-width: 250px;
  border-spacing: 5px;
  border-collapse: separate;
}
#confusion-chart td {
  text-align: center;
  border: 0;
  font: 22px var(--mono);
  height: 62px;
}
#confusion-chart th {
  font: 10px var(--mono);
  text-align: center;
  border: 0;
  padding: 6px 3px;
}
#confusion-chart caption {
  font-size: 10px;
  padding: 0 0 12px;
}
#confusion-chart th.row-label {
  text-align: left;
  max-width: 85px;
}
.stability {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 55px;
  margin-top: 20px;
}
.stability p {
  font-size: 12px;
  color: var(--text);
  margin-top: 15px;
}
.feature-row {
  display: grid;
  grid-template-columns: 130px 1fr 38px;
  align-items: center;
  gap: 12px;
  font: 10px var(--mono);
  padding: 6px 0;
}
.feature-track {
  background: #e9eee4;
  height: 9px;
}
.feature-fill {
  display: block;
  height: 9px;
  background: #668c73;
}
.feature-row > span:last-child {
  text-align: right;
}
.result-links {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 23px;
  font-size: 11px;
}
.result-links a {
  border-bottom: 1px solid #acbda6;
}
.result-links > span {
  font: 9px var(--mono);
  color: var(--muted);
  margin-left: auto;
}
.reproduce-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 65px;
}
.reproduce-layout p {
  font-size: 13px;
  color: var(--text);
  margin: 14px 0 20px;
}
.code-panel {
  background: #1e3932;
  color: #d8e5d3;
  padding: 22px 26px;
  min-width: 0;
}
.code-panel > div {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  align-items: center;
  font: 9px var(--mono);
  color: #b8cab6;
}
.code-panel button {
  background: transparent;
  border: 1px solid #6b8672;
  color: #d8e5d3;
  padding: 5px 10px;
  font-size: 10px;
}
.code-panel pre {
  font: 11px/2 var(--mono);
  overflow: auto;
  margin: 22px 0 0;
}
.code-panel > span {
  font-size: 10px;
  display: block;
  min-height: 20px;
  margin-top: 8px;
}
.deliverables {
  padding: 40px 0 55px;
  border-top: 1px solid var(--line);
}
.deliverables h2 {
  font-size: 31px;
}
.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 45px;
  margin-top: 28px;
}
.deliverables-grid article {
  border-top: 1px solid var(--line);
  padding-top: 15px;
}
.deliverables-grid span {
  font-size: 12px;
  color: var(--gold);
}
.deliverables-grid p {
  font-size: 12px;
  color: var(--text);
  margin-top: 8px;
}
footer {
  border-top: 1px solid var(--line);
  padding-block: 28px 40px;
  display: flex;
  gap: 30px;
  align-items: center;
}
footer p {
  font-size: 11px;
  color: var(--muted);
}
footer > div {
  margin-left: auto;
  display: flex;
  gap: 20px;
  font-size: 11px;
}
#load-status {
  font-size: 13px;
  padding: 12px;
  background: #e3eadb;
}
#load-status:empty {
  display: none;
}
[hidden] {
  display: none !important;
}
@media (max-width: 900px) {
  .hero {
    gap: 40px;
    grid-template-columns: 1.1fr 0.9fr;
  }
  .hero-facts {
    gap: 20px;
  }
  .research-sheet {
    padding: 22px;
  }
  .method-layout {
    gap: 45px;
  }
  .diagnostic-grid {
    gap: 14px;
  }
  .panel {
    padding: 22px;
  }
  .reproduce-layout {
    gap: 35px;
  }
  .stability {
    gap: 28px;
  }
  .feature-row {
    grid-template-columns: 115px 1fr 35px;
  }
  .topbar nav {
    gap: 18px;
  }
}
@media (max-width: 650px) {
  .wrap {
    width: calc(100% - 38px);
  }
  .topbar {
    min-height: 82px;
    align-items: center;
  }
  .brand {
    font-size: 25px;
  }
  .brand span {
    font-size: 6px;
    letter-spacing: 1px;
  }
  .topbar nav {
    gap: 15px;
    font-size: 11px;
  }
  .topbar nav a:first-child,
  .topbar nav a:nth-child(3) {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 35px;
    padding: 43px 0 40px;
  }
  h1 {
    font-size: 39px;
    line-height: 1.45;
  }
  .eyebrow {
    font-size: 8px;
    letter-spacing: 1.3px;
  }
  .hero-intro {
    font-size: 13px;
    margin-top: 20px;
  }
  .desktop {
    display: none;
  }
  .actions {
    gap: 22px;
    margin-top: 25px;
  }
  .hero-facts {
    margin-top: 29px;
    gap: 15px;
    justify-content: space-between;
  }
  .hero-facts b {
    font-size: 11px;
  }
  .hero-facts span {
    font-size: 8px;
  }
  .research-sheet {
    transform: rotate(1deg);
    margin: 0 6px 5px 0;
    padding: 21px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 17px 25px;
    box-shadow: 7px 7px 0 #e6e9dc;
  }
  .sheet-top {
    grid-column: 1/-1;
    font-size: 7px;
  }
  .research-sheet h2 {
    margin: 0;
    font-size: 32px;
    grid-row: 2/4;
  }
  .folds {
    gap: 7px;
  }
  .folds > div {
    gap: 5px;
  }
  .folds i {
    height: 14px;
  }
  .legend {
    font-size: 7px;
    margin: 0;
    line-height: 1.4;
    gap: 6px;
  }
  .research-sheet > p {
    grid-column: 1/-1;
    font-size: 16px;
    margin: 0;
    padding-top: 12px;
  }
  .research-sheet > p br {
    display: none;
  }
  .data-note {
    display: block;
    padding: 18px;
  }
  .note-label {
    display: block;
    margin-bottom: 7px;
  }
  .data-note p {
    font-size: 11px;
  }
  .section {
    padding-block: 44px;
  }
  .section-heading {
    display: block;
    margin-bottom: 22px;
  }
  h2 {
    font-size: 27px;
  }
  .section-heading > a {
    display: inline-block;
    margin-top: 13px;
    font-size: 11px;
  }
  .section-heading .badge {
    display: inline-block;
    margin-top: 14px;
  }
  .method-layout {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .section-lede {
    font-size: 13px;
  }
  .section-lede.compact {
    font-size: 12px;
  }
  .pipeline li {
    gap: 18px;
    padding: 15px 0;
  }
  .pipeline h3 {
    font-size: 18px;
  }
  .results-section {
    padding-block: 40px;
  }
  .task-tabs button {
    padding: 11px 12px;
    flex: none;
    font-size: 10px;
  }
  .run-meta {
    gap: 5px 15px;
    font-size: 8px;
    padding: 14px 0;
  }
  .panel {
    padding: 19px 15px;
  }
  .panel-heading {
    align-items: start;
    gap: 13px;
    flex-wrap: wrap;
  }
  .panel-heading h3 {
    font-size: 20px;
  }
  .panel-heading label,
  .model-toolbar label {
    flex-direction: column;
    align-items: start;
    gap: 5px;
  }
  .panel-heading select {
    font-size: 10px;
    min-height: 34px;
    padding: 6px 18px 6px 8px;
  }
  .comparison svg {
    margin-top: 20px;
  }
  .chart-note {
    font-size: 9px;
  }
  .model-toolbar {
    gap: 12px;
    align-items: center;
  }
  .model-toolbar h3 {
    font-size: 23px;
  }
  .model-toolbar select {
    font-size: 10px;
    width: 145px;
  }
  .model-toolbar .caption {
    font-size: 8px;
  }
  .diagnostic-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .diagnostic-grid .panel-heading h3 {
    font-size: 20px;
  }
  .stability {
    grid-template-columns: 1fr;
    gap: 19px;
  }
  .stability h3 {
    font-size: 23px;
  }
  .stability p {
    font-size: 11px;
  }
  .feature-row {
    grid-template-columns: 123px 1fr 34px;
    font-size: 9px;
  }
  .result-links {
    gap: 12px 20px;
    font-size: 10px;
  }
  .result-links > span {
    margin-left: 0;
    font-size: 8px;
    word-break: break-all;
  }
  .reproduce-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .code-panel {
    padding: 19px 17px;
  }
  .code-panel pre {
    font-size: 9px;
  }
  .deliverables {
    padding: 30px 0 37px;
  }
  .deliverables h2 {
    font-size: 28px;
  }
  .deliverables-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 23px;
  }
  .deliverables-grid article {
    padding-top: 12px;
  }
  footer {
    flex-wrap: wrap;
    gap: 12px 20px;
  }
  footer > div {
    width: 100%;
    margin: 0;
    font-size: 10px;
  }
  footer .brand {
    font-size: 23px;
  }
  footer p {
    font-size: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}