*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans', sans-serif;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #333;
  background: #fff;
}

a { color: #4A90D9; text-decoration: none; }
a:hover { text-decoration: underline; }

.section {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.title-section {
  text-align: center;
  padding-top: 4rem;
  padding-bottom: 1.5rem;
}

.project-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.3;
  color: #222;
  margin-bottom: 1.2rem;
}

.project-title .accent { color: #4A90D9; }

.authors {
  font-size: 1.15rem;
  font-weight: 500;
  color: #333;
  margin-bottom: 0.6rem;
}

.venue { margin-bottom: 1.4rem; }

.venue-badge {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 500;
  color: #555;
  background: #f0f0f0;
  padding: 0.3rem 1rem;
  border-radius: 20px;
}

.buttons-row {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.3rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: #333;
  background: #fff;
  border: 1.5px solid #d0d0d0;
  border-radius: 8px;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

.btn:hover {
  border-color: #4A90D9;
  background: #f7faff;
  text-decoration: none;
}

.btn-disabled {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}

.btn-note {
  font-size: 0.78rem;
  color: #999;
  font-weight: 400;
}

h2 {
  font-size: 1.8rem;
  font-weight: 600;
  color: #222;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid #eee;
}

h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #333;
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
}

.abstract-text {
  text-align: justify;
  hyphens: auto;
}

.caption {
  font-size: 0.92rem;
  color: #666;
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.video-container {
  max-width: 100%;
  margin: 0 auto 0.5rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.video-container video {
  display: block;
  width: 100%;
  height: auto;
}

.image-container {
  max-width: 100%;
  margin: 0 auto 0.5rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.image-container img {
  display: block;
  width: 100%;
  height: auto;
}

.module-list { margin-top: 1.2rem; }

.module-list p {
  margin-bottom: 0.7rem;
  padding-left: 0.8rem;
  border-left: 3px solid #4A90D9;
  padding-top: 0.2rem;
  padding-bottom: 0.2rem;
}

.highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.highlight {
  text-align: center;
  padding: 0.9rem 0.5rem;
  background: #f7faff;
  border: 1px solid #e0ebfb;
  border-radius: 8px;
}

.highlight .num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: #4A90D9;
  line-height: 1.2;
}

.highlight .lbl {
  display: block;
  font-size: 0.85rem;
  color: #666;
  margin-top: 0.2rem;
}

.table-wrapper {
  overflow-x: auto;
  margin: 1rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  text-align: center;
}

thead th {
  background: #f5f5f5;
  font-weight: 600;
  padding: 0.6rem 0.7rem;
  border: 1px solid #ddd;
  color: #333;
}

tbody td {
  padding: 0.5rem 0.7rem;
  border: 1px solid #e0e0e0;
}

tbody tr:hover { background: #fafafa; }

.ours-row { background: #e8f0fe; }
.ours-row:hover { background: #dce7fa; }
.ours-row td { font-weight: 600; }

.best { color: #4A90D9; }

.section-divider td {
  padding: 0;
  height: 2px;
  background: #ddd;
  border: none;
}

.table-note {
  font-size: 0.92rem;
  color: #666;
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.table-footnote {
  font-size: 0.85rem;
  color: #888;
  margin-top: 0.5rem;
  text-align: left;
  font-style: italic;
}

.footer {
  max-width: 960px;
  margin: 2rem auto 0;
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: #999;
  border-top: 1px solid #eee;
}

.footer a { color: #777; }
.footer a:hover { color: #4A90D9; }

@media (max-width: 700px) {
  .project-title { font-size: 1.6rem; }
  h2 { font-size: 1.4rem; }
  .section { padding: 1.5rem 1rem; }
  .title-section { padding-top: 2.5rem; }
  table { font-size: 0.82rem; }
  thead th, tbody td { padding: 0.4rem 0.35rem; }
  .buttons-row { gap: 0.5rem; }
  .btn { padding: 0.45rem 0.9rem; font-size: 0.88rem; }
  .highlights { grid-template-columns: repeat(2, 1fr); }
}

.affiliations {
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 0.6rem;
}
.affiliations span { margin: 0 0.5rem; white-space: nowrap; }
.authors a { color: #4A90D9; font-weight: 500; }
