:root {
  --font-sans: 'Inter', 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Charter', 'Georgia', 'Cambria', 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  --fs-hero-name: 32px;
  --fs-section: 22px;
  --fs-card-title: 16px;
  --fs-body: 15px;
  --fs-meta: 13px;
  --fs-nav: 13px;
  --lh-body: 1.65;
  --lh-tight: 1.35;
  --c-primary: #1F3A93;
  --c-primary-dark: #14245C;
  --c-primary-soft: #EEF2FF;
  --c-text: #1F2937;
  --c-text-muted: #6B7280;
  --c-bg: #FFFFFF;
  --c-bg-soft: #F8FAFC;
  --c-bg-news: #FFFBE6;
  --c-border: #E5E7EB;
  --c-accent: #DC2626;
  --badge-icml: #E63946;
  --badge-iclr: #2A9D8F;
  --badge-dac: #F59E0B;
  --badge-iccad: #0EA5E9;
  --badge-aspdac: #14B8A6;
  --badge-tcad: #059669;
  --badge-iseda: #8B5CF6;
  --badge-itc: #DB2777;
  --container-max: 960px;
  --space-section: 72px;
  --space-card: 24px;
  --radius-card: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

a {
  color: var(--c-primary);
  text-decoration: none;
}

a:hover {
  color: var(--c-primary-dark);
  text-decoration: underline;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--c-border);
  backdrop-filter: blur(10px);
}

.nav {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--c-text);
  font-size: 15px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  line-height: 1;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: block;
  object-fit: contain;
  border: 1px solid #DCE4F2;
  border-radius: 6px;
  background: #FFFFFF;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  font-size: var(--fs-nav);
}

.nav-links a {
  color: var(--c-text-muted);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 44px;
  padding-top: 46px;
  padding-bottom: 46px;
  border-bottom: 1px solid var(--c-border);
}

h1 {
  margin: 0 0 8px;
  font-size: var(--fs-hero-name);
  line-height: var(--lh-tight);
  color: var(--c-text);
}

h2 {
  margin: 0 0 22px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-primary);
  font-size: var(--fs-section);
  line-height: var(--lh-tight);
}

h3 {
  margin: 0;
  font-size: var(--fs-card-title);
  line-height: var(--lh-tight);
}

.subtitle {
  margin: 0;
  color: var(--c-text-muted);
}

.tagline {
  margin: 12px 0 14px;
  color: var(--c-primary);
  font-weight: 700;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
}

.hero-pills span {
  padding: 4px 10px;
  border: 1px solid rgba(31, 58, 147, 0.18);
  border-radius: 999px;
  background: #F8FAFC;
  color: var(--c-primary);
  font-size: var(--fs-meta);
  font-weight: 700;
}

.hero-bio {
  max-width: 650px;
  margin: 0 0 14px;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 14px 0 14px;
  font-size: var(--fs-meta);
}

.primary-button {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 14px;
  border-radius: 6px;
  background: var(--c-primary);
  color: #fff;
  font-size: var(--fs-meta);
  font-weight: 700;
}

.primary-button:hover {
  background: var(--c-primary-dark);
  color: #fff;
  text-decoration: none;
}

.hero-side {
  text-align: center;
  color: var(--c-text-muted);
  font-size: var(--fs-meta);
}

.portrait-card {
  width: 132px;
  height: 185px;
  display: block;
  margin: 0 auto 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card) !important;
  background: #fff;
  object-fit: contain;
  object-position: center top;
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.08);
  overflow: hidden;
  clip-path: inset(0 round 8px);
}

.affiliation-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.logo-frame {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.logo-frame img {
  width: auto;
  height: auto;
  max-width: 34px;
  max-height: 34px;
  object-fit: contain;
}

.quote {
  font-family: var(--font-serif);
  font-style: italic;
}

.section {
  padding-top: var(--space-section);
}

.prose p {
  margin: 0 0 15px;
}

.news-box {
  padding: 18px 20px;
  border: 1px solid #F2E6A2;
  border-radius: var(--radius-card);
  background: var(--c-bg-news);
}

.news-box p {
  margin: 0 0 8px;
}

.news-box p:last-child {
  margin-bottom: 0;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-card);
}

.focus-card {
  padding: 22px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  background: var(--c-bg-soft);
}

.focus-card:nth-child(-n+2) {
  border-color: rgba(31, 58, 147, 0.22);
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.focus-icon {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.focus-card p,
.equal-note,
.meta,
.desc {
  color: var(--c-text-muted);
}

.edu-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
}

.edu-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  background: #fff;
}

.edu-item img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.edu-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--c-text);
  line-height: var(--lh-tight);
}

.edu-head span,
.edu-item p {
  color: var(--c-text-muted);
  font-size: var(--fs-meta);
}

.edu-item p {
  margin: 5px 0 0;
}

.pub-list {
  display: grid;
  gap: var(--space-card);
}

.pub-year {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  color: var(--c-primary);
  font-size: var(--fs-meta);
  font-weight: 800;
}

.pub-year::after {
  height: 1px;
  flex: 1;
  background: var(--c-border);
  content: '';
}

.pub-year span {
  padding: 3px 9px;
  border: 1px solid rgba(31, 58, 147, 0.18);
  border-radius: 999px;
  background: var(--c-primary-soft);
}

.pub-card {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 18px;
  padding: 16px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  background: #fff;
  transition: box-shadow 160ms ease;
}

.pub-card:hover {
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.06);
}

.venue-block {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  text-align: center;
}

.venue,
.type-badge,
.award-badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  margin: 0 6px 8px 0;
  padding: 2px 8px;
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.type-badge {
  border: 1px solid var(--c-border);
  background: #fff;
  color: var(--c-text-muted);
}

.type-badge.journal {
  border-color: rgba(5, 150, 105, 0.28);
  color: var(--badge-tcad);
}

.type-badge.conference {
  border-color: rgba(31, 58, 147, 0.22);
  color: var(--c-primary);
}

.award-badge {
  background: var(--c-accent);
}

.status-badge {
  border: 1px solid rgba(14, 165, 233, 0.25);
  background: #F0F9FF;
  color: #0369A1;
}

.badge-icml { background: var(--badge-icml); }
.badge-iclr { background: var(--badge-iclr); }
.badge-dac { background: var(--badge-dac); }
.badge-iccad { background: var(--badge-iccad); }
.badge-aspdac { background: var(--badge-aspdac); }
.badge-tcad { background: var(--badge-tcad); }
.badge-iseda { background: var(--badge-iseda); }
.badge-itc { background: var(--badge-itc); }

.authors,
.meta,
.desc {
  margin: 7px 0 0;
  font-size: var(--fs-meta);
}

.pub-card h3,
.authors,
.pub-links a {
  overflow-wrap: anywhere;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
  font-size: var(--fs-meta);
}

.experience-list {
  display: grid;
  gap: 14px;
}

.experience-list article {
  padding-left: 18px;
  border-left: 3px solid var(--c-primary);
}

.time {
  color: var(--c-text-muted);
  font-size: var(--fs-meta);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.experience-list ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.award-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.award-table th {
  color: var(--c-primary);
  text-align: left;
}

.award-table th,
.award-table td {
  padding: 9px 8px;
  border-bottom: 1px solid var(--c-border);
  vertical-align: top;
}

.award-table tbody tr:hover {
  background: var(--c-bg-soft);
}

.award-table td:last-child,
.award-table th:last-child {
  width: 86px;
  text-align: right;
}

.service-list {
  margin: 0;
  padding-left: 20px;
}

.service-list li {
  margin-bottom: 8px;
}

.skill-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.skill-group strong {
  width: 112px;
  flex: 0 0 112px;
}

.skill-group span {
  padding: 4px 12px;
  border-radius: 999px;
  background: #F1F5F9;
  color: var(--c-text);
  font-size: var(--fs-meta);
}

.contact blockquote {
  margin: 0 0 14px;
  padding-left: 18px;
  border-left: 3px solid var(--c-primary);
  color: var(--c-text-muted);
}

.footer {
  margin-top: var(--space-section);
  padding: 42px 24px;
  border-top: 1px solid var(--c-border);
  color: var(--c-text-muted);
  text-align: center;
  font-size: var(--fs-meta);
}

.motto-footer {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
}

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

  .pub-card {
    transition: none;
  }
}

@media (max-width: 768px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
  }

  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-side {
    order: -1;
  }

  .portrait-card {
    width: 120px;
    height: 168px;
  }

  .hero-bio {
    margin-right: auto;
    margin-left: auto;
  }

  .link-row {
    justify-content: center;
  }

  .focus-grid,
  .edu-list {
    grid-template-columns: 1fr;
  }

  .pub-card {
    grid-template-columns: 1fr;
  }

  .venue-block {
    min-height: 58px;
  }

  .edu-head {
    flex-direction: column;
    gap: 4px;
  }

  .award-table {
    min-width: 680px;
    font-size: 13px;
  }
}