:root {
  --accent: rgb(192, 0, 0);
  --text: #202124;
  --muted: #61656d;
  --light: #f6f7f8;
  --border: #dfe2e6;
  --link: hsl(204, 86%, 53%);
  --max: 1000px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: white;
  font-family: 'Noto Sans', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.container.narrow { width: min(calc(100% - 40px), 980px); }
.center { text-align: center; }
.prose { max-width: 820px; }

.hero { padding: 52px 0 26px; }
.publication-title {
  margin: 0 auto 16px;
  max-width: 1000px;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 700;
}
.accent { color: var(--accent); }
.authors, .affiliation, .venue { font-family: 'Google Sans', 'Noto Sans', sans-serif; }
.authors { font-size: 1.25rem; color: var(--link); margin-top: 18px; }
.placeholder-authors { color: #777; font-style: italic; }
.affiliation { font-size: 1.13rem; margin-top: 5px; }
.venue { font-size: 1rem; color: var(--muted); margin-top: 3px; }

.logos { display: flex; justify-content: center; align-items: center; gap: 28px; min-height: 54px; margin: 18px auto 8px; }
.logos img { max-height: 46px; max-width: 250px; width: auto; }
.links { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 20px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  transition: transform .12s ease, opacity .12s ease;
}
.button:hover { text-decoration: none; transform: translateY(-1px); }
.button.dark { background: #27292d; color: white; }
.button.muted { opacity: .62; cursor: default; }

.teaser { padding: 10px 0 40px; font-family: 'Google Sans', 'Noto Sans', sans-serif; }
.hero-image { width: 100%; max-width: 940px; margin: 0 auto; }
.caption { max-width: 900px; margin: 15px auto 0; text-align: center; font-size: .96rem; color: #4d5156; }

.section { padding: 58px 0; }
.section.light { background: var(--light); }
h2 {
  margin: 0 0 22px;
  font-family: 'Google Sans', 'Noto Sans', sans-serif;
  text-align: center;
  font-size: 2rem;
  line-height: 1.2;
}
h3 { font-family: 'Google Sans', 'Noto Sans', sans-serif; line-height: 1.25; }
.prose h2 { text-align: center; }
.prose p { text-align: justify; margin: 0 0 16px; }
.lead { max-width: 850px; margin: 0 auto 30px; text-align: center; font-size: 1.04rem; color: #3f4248; }
.section-note { max-width: 850px; margin: -10px auto 24px; text-align: center; color: var(--muted); font-size: .93rem; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 30px; }
.stat-card { border: 1px solid var(--border); border-radius: 12px; padding: 22px 14px; text-align: center; background: #fff; }
.stat-number { font-family: 'Google Sans', sans-serif; font-size: 2rem; font-weight: 700; line-height: 1; color: var(--accent); }
.stat-label { margin-top: 8px; color: #4d5156; font-size: .94rem; }
.factor-row { display: flex; gap: 12px; align-items: center; justify-content: center; flex-wrap: wrap; margin-top: 18px; color: #4d5156; }

.contribution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.contribution-card { position: relative; background: white; border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.card-index { font-family: 'Google Sans', sans-serif; font-size: .84rem; font-weight: 700; color: var(--accent); }
.contribution-card h3 { margin: 8px 0 10px; font-size: 1.17rem; }
.contribution-card p { margin: 0; color: #4d5156; font-size: .95rem; }

.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 46px; align-items: center; }
.split-figure img { max-height: 540px; margin: 0 auto; object-fit: contain; }
.split-text h2 { text-align: left; margin-bottom: 16px; }
.split-text p { margin: 0 0 14px; }

.wide-figure { width: 100%; margin: 26px auto 0; }
.dark-frame { border-radius: 10px; }
.figure-block { margin-top: 34px; }
.figure-block + .figure-block { margin-top: 52px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: .94rem; }
th, td { padding: 10px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { background: #f1f3f4; font-family: 'Google Sans', sans-serif; font-weight: 700; }
tbody tr:nth-child(even) td { background: #fafafa; }
tbody tr:last-child td { border-bottom: 0; }

pre { max-width: 900px; margin: 0 auto; padding: 20px; overflow-x: auto; border-radius: 8px; background: #f4f4f4; border: 1px solid var(--border); line-height: 1.45; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

footer { padding: 34px 0 46px; background: #f5f5f5; color: #5f6368; font-size: .92rem; }
footer p { margin: 0; }

@media (max-width: 800px) {
  .section { padding: 42px 0; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .contribution-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .split-text h2 { text-align: center; }
  .split-text p { text-align: justify; }
}

@media (max-width: 520px) {
  .container, .container.narrow { width: min(calc(100% - 24px), var(--max)); }
  .hero { padding-top: 34px; }
  .publication-title { font-size: 2.05rem; }
  .authors { font-size: 1.05rem; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 18px 10px; }
  .stat-number { font-size: 1.6rem; }
  h2 { font-size: 1.65rem; }
  th, td { padding: 9px 10px; }
}