:root {
  --text: #292929;
  --muted: #6b6b6b;
  --accent: #4b76a8;
  --page-bg: #edf4f9;
  --surface: #f9fcff;
  --surface-strong: #f2f7fc;
  --line: #d7e4ef;
  --shadow: 0 12px 34px rgba(49, 91, 132, 0.08);
  --container: 1080px;
  --wide-container: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--page-bg);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.wide-container {
  width: min(calc(100% - 40px), var(--wide-container));
  max-width: var(--wide-container);
}

.hero {
  width: min(calc(100% - 24px), 1120px);
  max-width: 1100px;
  margin-top: 24px;
  margin-bottom: 24px;
  padding: 58px 32px 36px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  text-align: center;
}

h1 {
  margin: 0 auto 28px;
  font-size: clamp(15px, 4vw, 56px);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.08;
  white-space: nowrap;
}

h1 span {
  color: var(--accent);
  font-weight: 650;
}

.authors {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px 18px;
  max-width: 900px;
  margin: 0 auto 12px;
  font-size: 16px;
}

sup {
  font-size: 0.68em;
  vertical-align: super;
}

.affiliations {
  margin: 0;
  color: #454545;
  font-size: 15px;
}

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

.project-links {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 21px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 92px;
  padding: 7px 18px;
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.project-link img {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.arxiv-link {
  background: #b31b1b;
}

.arxiv-link:hover {
  background: #8f1515;
}

.github-link {
  background: #24292f;
}

.github-link:hover {
  background: #0f1114;
}

.hf-link {
  color: #1f2328;
  background: #ffd21e;
}

.hf-link:hover {
  background: #e8bc00;
}

.teaser-section {
  width: min(calc(100% - 24px), 1160px);
  margin: 24px auto;
  padding: 34px 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.content-section {
  width: min(calc(100% - 24px), 1160px);
  margin: 24px auto;
  padding: 48px 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

h2 {
  margin: 0 0 23px;
  font-size: 31px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-align: center;
}

h3 {
  margin: 15px 0 8px;
  font-size: 18px;
  line-height: 1.35;
}

p {
  margin: 0 0 16px;
}

.prose {
  text-align: justify;
}

.section-intro {
  max-width: none;
  margin: -8px auto 30px;
  color: var(--muted);
  text-align: center;
}

.paper-figure {
  margin: 0;
  text-align: center;
}

.paper-figure img {
  margin: 0 auto;
}

.paper-figure figcaption {
  max-width: none;
  margin: 12px auto 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.teaser img {
  width: 100%;
}

.motivation-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 34px;
  max-width: none;
  margin: 30px auto 0;
}

.motivation-stats div {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 20px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.motivation-stats strong {
  color: var(--accent);
  font-size: 32px;
  line-height: 1;
}

.motivation-stats span {
  color: var(--muted);
  font-size: 14px;
}

.full-figure {
  margin-top: 27px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: none;
  margin: 34px auto 0;
}

.method-grid article {
  padding: 20px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.method-grid h3 {
  margin-top: 0;
}

.method-grid p {
  color: #505050;
  font-size: 15px;
}

.table-block {
  margin-top: 38px;
  padding: 26px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.table-block + .table-block {
  margin-top: 48px;
}

.table-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 12px;
}

.table-heading h3 {
  margin: 0 0 2px;
  font-size: 20px;
}

.table-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.table-legend {
  text-align: right;
}

.table-scroll {
  overflow-x: auto;
  border-top: 2px solid var(--text);
  border-bottom: 1px solid var(--text);
  border-radius: 5px;
}

.table-scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

table {
  width: 100%;
  min-width: 740px;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  background: #fff;
}

th,
td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  text-align: center;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

thead th {
  background: #f6f6f6;
  font-size: 13px;
  font-weight: 650;
}

tbody th {
  font-weight: 500;
}

.model-row th {
  padding-top: 12px;
  padding-bottom: 6px;
  color: #555;
  background: #fafafa;
  font-size: 13px;
  font-weight: 700;
}

.ours {
  background: #eef4fa;
  font-weight: 650;
}

.ours th {
  color: #315f92;
  font-weight: 700;
}

.generalization-figure {
  margin-top: 20px;
}

.result-analysis {
  max-width: none;
  margin: 18px auto 0;
  color: #505050;
  font-size: 15px;
}

.centered-analysis {
  max-width: none;
  text-align: center;
}

.analysis-group {
  max-width: none;
  margin: 46px auto 0;
  padding: 28px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.analysis-group h3 {
  margin: 0 0 9px;
  font-size: 21px;
}

.analysis-copy {
  max-width: none;
  margin-bottom: 24px;
  color: #505050;
  font-size: 15px;
}

.analysis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  align-items: start;
}

.analysis-grid .paper-figure {
  min-width: 0;
}

.analysis-grid img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.key-insights {
  max-width: none;
  margin: 0 auto;
}

.key-insights article {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 14px;
  padding: 22px 24px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.key-insights article:last-child {
  margin-bottom: 0;
}

.key-insights > article > span {
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
}

.key-insights h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.key-insights p {
  margin: 0;
  color: #505050;
  font-size: 15px;
}

.citation-section pre {
  margin: 0;
  padding: 20px 24px;
  overflow-x: auto;
  color: #333;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 4px;
  font: 13px/1.6 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  white-space: pre;
}

footer {
  padding: 29px 0 40px;
  color: #777;
  font-size: 13px;
  text-align: center;
}

footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .hero {
    width: calc(100% - 16px);
    margin-top: 8px;
    margin-bottom: 12px;
    padding: 40px 16px 30px;
    border-radius: 16px;
  }

  h1 {
    font-size: clamp(15px, 4vw, 56px);
  }

  .authors {
    gap: 3px 12px;
    font-size: 15px;
  }

  .content-section {
    width: calc(100% - 16px);
    margin: 12px auto;
    padding: 36px 0;
    border-radius: 16px;
  }

  .teaser-section {
    width: calc(100% - 16px);
    margin: 12px auto;
    padding: 24px 0;
    border-radius: 16px;
  }

  h2 {
    font-size: 28px;
  }

  .prose {
    text-align: left;
  }

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

  .method-grid {
    gap: 20px;
  }

  .motivation-stats {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .table-heading {
    display: block;
  }

  .table-block,
  .analysis-group {
    padding: 18px;
  }

  .table-legend {
    margin-top: 5px !important;
    text-align: left;
  }

  .analysis-grid {
    gap: 12px;
  }

  .analysis-grid .paper-figure figcaption {
    font-size: 12px;
  }

  .analysis-group h3,
  .analysis-copy {
    text-align: left;
  }

  .citation-section pre {
    padding: 15px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}