body {
  font-family: "Noto Sans", Arial, sans-serif;
  margin: 0;
  color: #222;
  background: #fff;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid #eee;
  backdrop-filter: blur(8px);
}

.nav-content {
  max-width: 1120px;
  margin: auto;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-weight: 700;
  color: #111;
  text-decoration: none;
}

.nav-links a {
  color: #333;
  text-decoration: none;
  margin-left: 22px;
  font-size: 15px;
  padding: 6px 10px;
  border-bottom: 2px solid transparent;
  border-radius: 4px;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.nav-links a:hover {
  color: #8b2800;
  background: #fff3e6;
  border-bottom: 2px solid #8b2800;
}

.container {
  max-width: 1120px;
  margin: auto;
  padding: 0 24px;
}

.narrow {
  max-width: 1120px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.two-col img,
.two-col video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.hero {
  padding: 70px 0 35px;
  text-align: center;
}

.tag {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff3e6;
  color: #8b2800;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 18px;
}

.title {
  font-size: 58px;
  margin: 0;
  letter-spacing: -1px;
}

.subtitle {
  font-family: "Google Sans", "Noto Sans", Arial, sans-serif;
  font-weight: 500;
  font-size: 28px;
  line-height: 1.25;
  margin: 12px 0 16px;
}

.conference {
  color: #555;
  font-size: 18px;
  margin: 12px 0;
  text-align: center;
}

.authors {
  margin-top: 18px;
  font-size: 18px;
  color: #8b2800;
}

.authors span {
  margin: 0 10px;
  color: #8b2800;
  font-weight: 600;
}

.authors a {
  color: inherit;
  text-decoration: none;
}

.authors a:hover {
  text-decoration: underline;
}
.affiliation {
  margin-top: 10px;
  color: #555;
  text-align: center;
}

.button-row {
  margin-top: 26px;
}

.button {
  display: inline-block;
  background: #222;
  color: #fff;
  padding: 11px 18px;
  border-radius: 28px;
  margin: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}

.button.muted {
  background: #777;
}

.teaser {
  padding: 25px 0 55px;
  text-align: center;
}

.teaser video {
  max-width: 90%;
  border-radius: 14px;
  box-shadow: 0 18px 45px rgba(0,0,0,0.10);
}

.text-teaser {
  border-radius: 22px;
  padding: 48px 34px;
  background: linear-gradient(135deg, #f7f8fa, #ffffff);
  border: 1px solid #e9e9e9;
  box-shadow: 0 18px 45px rgba(0,0,0,0.07);
}

.text-teaser h2 {
  margin-bottom: 16px;
}

.text-teaser p {
  margin-bottom: 0;
}

.caption {
  color: #555;
  font-size: 15px;
  margin-top: 14px;
  text-align: center;
}

.section {
  padding: 65px 0;
}

.section.gray {
  background: #fff7ed;
  /* #f7f8fa */
   
}

h2 {
  text-align: center;
  font-size: 32px;
  margin-top: 0;
  margin-bottom: 28px;
}

h3 {
  font-size: 24px;
  margin-top: 0;
}

p {
  font-size: 18px;
  line-height: 1.7;
  text-align: justify;
}

#abstract p {
  text-align: justify;
}

.paper-pages {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  overflow-x: auto;
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 16px;
  margin: 36px auto 0;
  max-width: 1120px;
}

.paper-pages img {
  height: 160px;
  width: auto;
  flex-shrink: 0;
  border: 1px solid #eee;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.card h3 {
  margin-top: 0;
  font-size: 26px;
  text-align: center;
}

.card p {
  font-size: 15px;
  color: #555;
  text-align: left;
}

.modality-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.modality-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
  text-align: center;
  display: flex;
  flex-direction: column;
}

.modality-card video {
  width: 100%;
  height: auto;
  border-radius: 12px;
  margin-bottom: 14px;
  display: block;
}

.modality-card h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.modality-card p {
  font-size: 14px;
  color: #555;
  text-align: center;
}

.modality-indicator {
  width: 60px;
  height: 60px;
  margin: 14px auto 0 auto;
  margin-top: auto;
  padding-top: 14px;
  border: 1px solid #eee;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.modality-indicator i {
  font-size: 22px;
  color: #bbb;
}

.modality-indicator.lit i {
  color: #f59e0b;
}

.modality-indicator img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-placeholder {
  border: 2px dashed #bbb;
  border-radius: 16px;
  padding: 70px 20px;
  text-align: center;
  color: #666;
  background: white;
}

.paper-note {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 26px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.paper-note p {
  font-size: 17px;
  margin: 10px 0;
}

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

.resource-list {
  font-size: 18px;
  line-height: 1.9;
}

.full-video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  box-shadow: 0 18px 45px rgba(0,0,0,0.10);
}

pre {
  background: #f4f4f4;
  border-radius: 12px;
  padding: 20px;
  overflow-x: auto;
  font-size: 14px;
}

footer {
  text-align: center;
  color: #777;
  padding: 30px;
  border-top: 1px solid #eee;
}

@media (max-width: 850px) {
  .desktop-break { display: none; }
  .title { font-size: 44px; }
  .subtitle { font-size: 22px; }
  .cards { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .modality-cards { grid-template-columns: 1fr; }
}