:root {
  --text: #222633;
  --muted: #5d6677;
  --soft: #f7f8fb;
  --panel: #ffffff;
  --line: #dfe4eb;
  --blue: #4169e1;
  --blue-dark: #2544ad;
  --orange: #d66b12;
  --green: #15815d;
  --cream: #fff6e9;
  --mint: #eef9f4;
  --lavender: #f2f0ff;
  --shadow: 0 12px 32px rgba(34, 38, 51, 0.09);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgba(65, 105, 225, 0.12), transparent 28rem),
    radial-gradient(circle at 88% 18%, rgba(214, 107, 18, 0.11), transparent 24rem),
    linear-gradient(180deg, #fbfcff 0%, #f7f3ec 42%, #eef5f7 100%);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.62;
  overflow-x: hidden;
}

a {
  color: var(--blue-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.page {
  width: calc(100% - 36px);
  max-width: 1240px;
  margin: 0 auto;
}

.site-header {
  padding: 58px 0 28px;
  text-align: center;
}

.site-title {
  max-width: 1060px;
  margin: 0 auto;
  font-size: clamp(2.2rem, 5vw, 4.35rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 850;
  overflow-wrap: anywhere;
}

.site-title span {
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.12em;
  color: var(--blue-dark);
}

.authors {
  max-width: 980px;
  margin: 26px auto 0;
  font-size: 1.08rem;
  overflow-wrap: anywhere;
}

.authors sup,
.affiliations sup {
  color: var(--muted);
  font-size: 0.7em;
}

.affiliations {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.98rem;
}

.affiliations p {
  display: inline-block;
  margin: 0 10px 5px;
}

.venue-line {
  display: inline-block;
  max-width: 100%;
  margin-top: 18px;
  padding: 8px 14px;
  border: 1px solid rgba(65, 105, 225, 0.22);
  border-radius: 999px;
  background: rgba(65, 105, 225, 0.07);
  color: #2d3d82;
  font-weight: 750;
  font-size: 0.95rem;
  overflow-wrap: anywhere;
  white-space: normal;
}

.links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid #c7d1e1;
  background: #fff;
  color: #273044;
  font-weight: 760;
  box-shadow: 0 7px 18px rgba(34, 38, 51, 0.07);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--blue);
  box-shadow: 0 12px 28px rgba(65, 105, 225, 0.15);
  text-decoration: none;
}

main {
  padding-bottom: 34px;
}

.teaser {
  margin: 18px 0 26px;
  text-align: center;
}

.teaser img,
.panel img {
  margin-inline: auto;
}

.teaser img {
  width: 100%;
  max-width: 1040px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.fig-caption,
.caption {
  max-width: 1010px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
  text-align: justify;
  text-align-last: center;
}

.panel {
  margin: 28px 0;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

#abstract {
  background: linear-gradient(180deg, #ffffff 0%, #f3f7ff 100%);
}

#highlights {
  background: linear-gradient(180deg, #ffffff 0%, var(--cream) 100%);
}

#overview {
  background: linear-gradient(180deg, #ffffff 0%, var(--mint) 100%);
}

#experiments {
  background: linear-gradient(180deg, #ffffff 0%, #f3f6ff 100%);
}

#analysis {
  background: linear-gradient(180deg, #ffffff 0%, var(--lavender) 100%);
}

#case-study {
  background: linear-gradient(180deg, #ffffff 0%, #eef8f7 100%);
}

#resources,
#bibtex {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.panel h2 {
  margin: 0 0 18px;
  text-align: center;
  font-size: 2rem;
  line-height: 1.2;
}

.panel h3 {
  margin: 0 0 16px;
  text-align: center;
  font-size: 1.28rem;
}

.panel p {
  margin: 0 auto;
  max-width: 970px;
  color: #3c4556;
  text-align: justify;
}

.panel p + p {
  margin-top: 14px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.metric {
  min-height: 126px;
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #f7f9ff 100%);
  text-align: center;
}

.metric strong {
  display: block;
  color: var(--blue-dark);
  font-size: 2.2rem;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.overview-grid figure {
  margin: 0 0 20px;
}

.overview-grid figure img,
.case-image {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.implementation-step {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fafbfe;
  overflow: hidden;
}

.implementation-step summary {
  cursor: pointer;
  padding: 16px 18px;
  color: #273044;
  font-weight: 800;
  list-style-position: inside;
}

.implementation-step summary:hover {
  background: #f0f4ff;
}

.implementation-step p {
  padding: 0 20px 18px;
}

.implementation-title {
  margin-left: 8px;
}

.schema-box,
.formula {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto 20px;
  border-radius: var(--radius);
  background: #17202b;
  color: #edf4ff;
}

.schema-box pre {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.5;
}

.formula {
  padding: 16px 18px;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 700;
}

.table-shell {
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 8px 22px rgba(34, 38, 51, 0.06);
}

table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
}

.full-results table {
  min-width: 1120px;
  table-layout: fixed;
}

.full-results col.model-col {
  width: 270px;
}

.full-results col.benchmark-col {
  width: 140px;
}

.full-results col.overall-col {
  width: 150px;
}

th,
td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  text-align: center;
  white-space: nowrap;
  font-size: 0.84rem;
  vertical-align: middle;
}

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

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #eef3fb;
  color: #39445a;
  font-size: 0.76rem;
  line-height: 1.25;
}

.full-results th:last-child,
.full-results td:last-child {
  padding-left: 20px;
  padding-right: 20px;
  text-align: center;
}

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

.ours td {
  background: #fff8ee;
  color: #1f2837;
  font-weight: 850;
}

.ours.strong td {
  background: #fff0da;
}

.group-row td {
  background: #f5f7fb;
  color: #5a6474;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.04em;
  text-align: left;
  text-transform: uppercase;
}

.analysis-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
  gap: 22px;
  margin-top: 26px;
  align-items: start;
}

.analysis-grid figure {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
}

.analysis-grid img {
  max-height: 430px;
  object-fit: contain;
}

.case-image {
  width: min(980px, 100%);
  margin-top: 24px;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.resource-grid a {
  min-height: 142px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #f7f9ff 100%);
  color: var(--text);
  box-shadow: 0 8px 20px rgba(34, 38, 51, 0.06);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.resource-grid a:hover {
  transform: translateY(-2px);
  border-color: var(--blue);
  box-shadow: 0 12px 28px rgba(65, 105, 225, 0.13);
  text-decoration: none;
}

.resource-grid strong {
  display: block;
  color: var(--blue-dark);
  font-size: 1.08rem;
}

.resource-grid span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.45;
}

.bibtex-container {
  position: relative;
  width: min(980px, 100%);
  margin: 0 auto;
}

.bibtex {
  margin: 0;
  padding: 20px;
  overflow-x: auto;
  border-radius: var(--radius);
  background: #17202b;
  color: #edf4ff;
  font-size: 0.9rem;
  line-height: 1.55;
}

.copy-btn {
  position: absolute;
  right: 12px;
  top: 12px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid #cad5e3;
  border-radius: 999px;
  background: #fff;
  color: #273044;
  font-weight: 800;
  cursor: pointer;
}

.copy-btn.copied {
  border-color: var(--green);
  color: var(--green);
}

.site-footer {
  padding: 24px 0 44px;
  color: var(--muted);
  text-align: center;
  font-size: 0.95rem;
}

.fade-up {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 520ms ease, transform 520ms ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .page {
    width: 366px;
    max-width: calc(100vw - 24px);
    margin-left: 12px;
    margin-right: 12px;
  }

  .site-header {
    padding-top: 34px;
  }

  .authors {
    font-size: 1rem;
  }

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

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

  .panel {
    padding: 24px 18px;
  }

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

@media (max-width: 560px) {
  .site-title {
    max-width: 330px;
    font-size: 1.45rem;
    line-height: 1.14;
    letter-spacing: 0;
  }

  .authors {
    max-width: 330px;
    font-size: 0.94rem;
    line-height: 1.5;
  }

  .affiliations p {
    display: block;
    margin-inline: 0;
  }

  .venue-line {
    display: block;
    width: min(100%, 330px);
    margin-left: auto;
    margin-right: auto;
  }

  .teaser img,
  .panel img {
    width: 330px;
    max-width: 100%;
  }

  .fig-caption,
  .caption {
    max-width: 330px;
    text-align: left;
    text-align-last: auto;
  }

  .panel p {
    text-align: left;
  }

  .links {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

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

  .panel h2 {
    font-size: 1.55rem;
  }

  .schema-box,
  .formula {
    width: 100%;
  }
}