:root {
  --ink: #1d1d1f;
  --ink-soft: #2d2d2f;
  --text: #1d1d1f;
  --text-soft: #6e6e73;
  --muted: #86868b;
  --quiet: #b0b0b5;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #fafafc;
  --rule: #d2d2d7;
  --rule-soft: #f5f5f7;
  --accent: #0066cc;
  --accent-hover: #0077ed;
  --accent-soft: rgba(0, 102, 204, 0.08);
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display',
          'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --serif: 'EB Garamond', 'Noto Serif SC', 'Source Han Serif SC',
           'Songti SC', 'STSong', 'New York', 'Iowan Old Style',
           Georgia, 'Times New Roman', serif;
  --ease-apple: cubic-bezier(0.28, 0.11, 0.32, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background: var(--bg);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.012em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.25s var(--ease-smooth);
}
a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* ============ Reveal animation — Apple style ============ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 1.2s var(--ease-out),
    transform 1.2s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Children of revealed containers can stagger via [data-stagger] */
.stagger-child {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
}
.is-visible .stagger-child {
  opacity: 1;
  transform: none;
}
.is-visible .stagger-child:nth-child(1) { transition-delay: 0.05s; }
.is-visible .stagger-child:nth-child(2) { transition-delay: 0.15s; }
.is-visible .stagger-child:nth-child(3) { transition-delay: 0.25s; }
.is-visible .stagger-child:nth-child(4) { transition-delay: 0.35s; }
.is-visible .stagger-child:nth-child(5) { transition-delay: 0.45s; }
.is-visible .stagger-child:nth-child(6) { transition-delay: 0.55s; }
.is-visible .stagger-child:nth-child(7) { transition-delay: 0.65s; }
.is-visible .stagger-child:nth-child(8) { transition-delay: 0.75s; }
.is-visible .stagger-child:nth-child(9) { transition-delay: 0.85s; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .stagger-child { opacity: 1; transform: none; transition: none; }
}

/* ============ Masthead — pure Apple frosted nav ============ */
.masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.0);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease-smooth), border-color 0.3s var(--ease-smooth);
}
.masthead.is-scrolled {
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.nav-wrap {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 22px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-brand {
  color: var(--ink);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.01em;
}
.nav-brand:hover {
  color: var(--ink);
  text-decoration: none;
  opacity: 0.85;
}
.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 28px;
}
.nav-links a {
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 400;
  opacity: 0.82;
  transition: opacity 0.2s var(--ease-smooth);
}
.nav-links a:hover {
  opacity: 1;
  color: var(--ink);
  text-decoration: none;
}

/* ============ Hero — full-bleed, Apple stage style ============ */
.hero-stage {
  position: relative;
  padding: 140px 22px 120px;
  min-height: 92vh;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.hero-stage::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--rule), transparent);
}

/* === Ambient mesh — drifting colored orbs === */
.hero-mesh {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  will-change: transform;
  animation: orbDrift 22s var(--ease-smooth) infinite alternate;
}
.hero-orb-1 {
  width: 560px; height: 560px;
  top: -12%;
  left: 8%;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.45), transparent 70%);
  animation-duration: 24s;
}
.hero-orb-2 {
  width: 640px; height: 640px;
  top: 14%;
  right: 4%;
  background: radial-gradient(circle, rgba(175, 82, 222, 0.34), transparent 70%);
  animation-duration: 30s;
  animation-delay: -9s;
}
.hero-orb-3 {
  width: 480px; height: 480px;
  bottom: -16%;
  left: 38%;
  background: radial-gradient(circle, rgba(255, 159, 10, 0.22), transparent 70%);
  animation-duration: 26s;
  animation-delay: -5s;
}
.hero-grain {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: multiply;
  opacity: 0.5;
  pointer-events: none;
}

@keyframes orbDrift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(70px, -50px, 0) scale(1.18); }
  100% { transform: translate3d(-50px, 40px, 0) scale(0.92); }
}

/* === Cursor spotlight — light that follows the mouse === */
.hero-spotlight {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    560px circle at var(--mx, 50%) var(--my, 38%),
    rgba(255, 255, 255, 0.75),
    rgba(255, 255, 255, 0) 55%
  );
  transition: background 0.18s linear;
}

/* === Scroll-down indicator === */
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 0.9s forwards;
  transition: color 0.25s var(--ease-smooth);
}
.hero-scroll:hover {
  color: var(--ink);
  text-decoration: none;
}
.hero-scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, currentColor, transparent);
  transform-origin: top center;
  animation: scrollHint 2.4s var(--ease-smooth) infinite;
}
@keyframes scrollHint {
  0%   { transform: scaleY(0.15); transform-origin: top; opacity: 0; }
  35%  { opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0.15); transform-origin: bottom; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-orb, .hero-scroll-line { animation: none; }
}

.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin: 0 0 18px;
  text-transform: none;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--ease-out) 0.1s forwards;
}
.hero-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(64px, 9.5vw, 116px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 14px;
  background: linear-gradient(180deg, #1d1d1f 0%, #2d2d2f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1.1s var(--ease-out) 0.2s forwards;
}
.hero-name-cn {
  display: block;
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', serif;
  font-style: normal;
  font-weight: 500;
  font-size: 0.36em;
  color: var(--text-soft);
  letter-spacing: 0.08em;
  margin-top: 22px;
  -webkit-text-fill-color: var(--text-soft);
}
.hero-tagline {
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--text-soft);
  font-weight: 400;
  margin: 0 auto 40px;
  letter-spacing: -0.012em;
  max-width: 36ch;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--ease-out) 0.35s forwards;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s var(--ease-out) 0.5s forwards;
}
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 980px;
  font-size: 14.5px;
  font-weight: 400;
  letter-spacing: -0.005em;
  transition: all 0.25s var(--ease-smooth);
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  text-decoration: none;
  transform: scale(1.02);
}
.btn-ghost {
  color: var(--accent);
  background: transparent;
  border: none;
}
.btn-ghost:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn-ghost::after {
  content: '›';
  margin-left: 2px;
  font-size: 1.2em;
  line-height: 1;
  transition: transform 0.25s var(--ease-smooth);
}
.btn-ghost:hover::after { transform: translateX(3px); }

@keyframes fadeUp {
  to { opacity: 1; transform: none; }
}

/* ============ Page shell ============ */
.page-shell {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 22px 80px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

/* ============ Sidebar — minimal, no card ============ */
.sidebar {
  position: sticky;
  top: 80px;
  text-align: center;
  padding-top: 80px;
}
.avatar {
  display: block;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 20px;
  background: var(--rule-soft);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 8px 30px rgba(0, 0, 0, 0.08);
  transition: transform 0.6s var(--ease-apple), box-shadow 0.6s var(--ease-apple);
}
.avatar:hover {
  transform: scale(1.04);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 14px 38px rgba(0, 0, 0, 0.12);
}
.side-name {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 0 0 4px;
}
.side-role {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 22px;
  font-weight: 400;
}
.side-links {
  list-style: none;
  padding: 18px 0 0;
  margin: 0;
  border-top: 1px solid var(--rule-soft);
  display: grid;
  gap: 2px;
  text-align: left;
}
.side-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  margin: 0 -12px;
  border-radius: 8px;
  color: var(--ink);
  font-size: 13.5px;
  font-weight: 400;
  transition: background 0.2s var(--ease-smooth), color 0.2s var(--ease-smooth);
}
.side-links a:hover {
  background: var(--rule-soft);
  color: var(--ink);
  text-decoration: none;
}
.side-links i {
  color: var(--muted);
  width: 16px;
  text-align: center;
  font-size: 13px;
  transition: color 0.2s var(--ease-smooth);
}
.side-links a:hover i { color: var(--accent); }

/* ============ Content ============ */
.content { min-width: 0; padding-top: 80px; }
section { margin-top: 96px; scroll-margin-top: 60px; }
section:first-child { margin-top: 0; }

/* ============ Section panel — Apple "module" treatment ============ */
.section-panel {
  position: relative;
  padding: 64px 48px;
  border-radius: 28px;
  background: var(--surface-soft);
  border: 1px solid var(--rule-soft);
  isolation: isolate;
}
.section-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(0,122,255,0.05), transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(175,82,222,0.04), transparent 60%);
  pointer-events: none;
}
.section-panel .news-list,
.section-panel .timeline {
  border-top-color: rgba(0,0,0,0.08);
}
.section-panel .news-list li,
.section-panel .timeline li {
  border-bottom-color: rgba(0,0,0,0.08);
}
@media (max-width: 700px) {
  .section-panel { padding: 44px 24px; border-radius: 22px; }
}

/* ============ Section eyebrow + heading — Apple's signature ============ */
.eyebrow {
  display: block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--accent);
  margin: 0 0 12px;
}
h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 32px;
  letter-spacing: -0.01em;
  line-height: 1.15;
  background: linear-gradient(180deg, #1d1d1f 0%, #2d2d2f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

p { margin: 0 0 14px; }

/* ============ About / Bio ============ */
.bio-intro {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.45;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.005em;
  margin: 0 0 28px;
  max-width: 32ch;
  font-style: italic;
}
.bio-intro strong {
  font-weight: 600;
  color: var(--ink);
  font-style: normal;
}
.hero-bio {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 0 0 28px;
  max-width: 60ch;
}
.hero-bio strong {
  color: var(--ink);
  font-weight: 500;
}

/* ============ Bio grid — Apple spec-list style ============ */
.bio-grid {
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--rule-soft);
}
.bio-block {
  padding: 26px 0 24px;
  padding-right: 28px;
  border-bottom: 1px solid var(--rule-soft);
}
.bio-block:nth-child(odd) {
  padding-right: 28px;
}
.bio-block:nth-child(even) {
  padding-left: 28px;
  padding-right: 0;
  border-left: 1px solid var(--rule-soft);
}
.bio-block:nth-last-child(-n+2) {
  border-bottom: none;
}
.bio-label {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.bio-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
}
.bio-text strong { color: var(--ink); font-weight: 600; }

.hero-cta {
  margin: 32px 0 0;
  font-size: 15px;
  color: var(--text-soft);
  max-width: 60ch;
}

@media (max-width: 700px) {
  .bio-grid { grid-template-columns: 1fr; }
  .bio-block:nth-child(even) {
    padding-left: 0;
    border-left: none;
  }
  .bio-block:nth-last-child(2) {
    border-bottom: 1px solid var(--rule-soft);
  }
}

/* ============ Stats panel — Apple "by the numbers" light card ============ */
.section-dark { margin-top: 96px; }
.stats-card {
  position: relative;
  padding: 72px 56px 64px;
  border-radius: 28px;
  background: #ffffff;
  color: var(--ink);
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--rule-soft);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 20px 60px -20px rgba(0, 0, 0, 0.08),
    0 4px 18px -8px rgba(0, 0, 0, 0.06);
}
.stats-aura {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 70% 70% at 15% 20%, rgba(0, 122, 255, 0.10), transparent 60%),
    radial-gradient(ellipse 60% 60% at 85% 80%, rgba(175, 82, 222, 0.09), transparent 60%),
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(255, 159, 10, 0.06), transparent 60%);
  pointer-events: none;
  animation: orbDrift 28s var(--ease-smooth) infinite alternate;
}
.eyebrow-on-dark {
  color: var(--accent);
  margin-bottom: 14px;
}
.stats-headline {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  margin: 0 0 56px;
  color: var(--ink);
  background: linear-gradient(180deg, #1d1d1f 0%, #2d2d2f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  max-width: 22ch;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px 28px;
  align-items: end;
}
.stat { display: block; }
.stat-num {
  display: block;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(56px, 8.2vw, 108px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  background: linear-gradient(180deg, #1d1d1f 0%, #86868b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .stats-card { padding: 56px 32px 48px; }
}
@media (max-width: 480px) {
  .stats-card { padding: 44px 24px 36px; border-radius: 22px; }
  .stats-headline { margin-bottom: 40px; }
}

/* ============ News ============ */
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-soft);
}
.news-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 28px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  transition: padding 0.3s var(--ease-smooth);
}
.news-list li:hover {
  padding-left: 8px;
}
.news-list time {
  color: var(--muted);
  font-weight: 500;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.badge-new {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 9px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  border-radius: 999px;
  vertical-align: 2px;
}

/* ============ Publications — single-row, multi-column layout ============ */
.pub-list {
  margin: 8px -22px 24px;
  border-top: 1px solid var(--rule-soft);
}

.pub-row {
  position: relative;
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) minmax(160px, 200px);
  gap: 36px;
  padding: 28px 22px;
  border-bottom: 1px solid var(--rule-soft);
  border-radius: 18px;
  align-items: start;
  isolation: isolate;
  transition:
    background 0.4s var(--ease-smooth),
    transform 0.4s var(--ease-apple),
    box-shadow 0.4s var(--ease-apple);
}

/* Gradient border ring — fades in on hover */
.pub-row::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.4px;
  background: linear-gradient(
    135deg,
    rgba(0, 122, 255, 0.5),
    rgba(175, 82, 222, 0.38) 45%,
    rgba(255, 159, 10, 0.25) 80%,
    transparent
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s var(--ease-smooth);
  pointer-events: none;
  z-index: 0;
}

/* Cursor-following spotlight */
.pub-row::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    520px circle at var(--row-mx, 50%) var(--row-my, 50%),
    rgba(0, 122, 255, 0.08),
    transparent 45%
  );
  opacity: 0;
  transition: opacity 0.3s var(--ease-smooth);
  pointer-events: none;
  z-index: 0;
}

.pub-row > * { position: relative; z-index: 1; }

.pub-row:hover {
  background: var(--surface-soft);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.pub-row:hover::before { opacity: 1; }
.pub-row:hover::after { opacity: 1; }

.pub-year {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  padding-top: 4px;
}

.pub-body { min-width: 0; }

.pub-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  text-align: right;
}

.pub-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.pub-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 10px;
  letter-spacing: -0.005em;
}
.pub-authors {
  font-size: 14.5px;
  color: var(--text);
  margin: 0 0 6px;
  line-height: 1.55;
}
.pub-authors .me {
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
}
.pub-venue {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
}

.pub-links {
  margin: 0;
  font-size: 12.5px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}
.pub-links a {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 5px 12px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink);
  font-weight: 400;
  transition: all 0.25s var(--ease-smooth);
}
.pub-links a::after {
  content: '›';
  font-size: 1.1em;
  line-height: 1;
  margin-left: 1px;
  transition: transform 0.25s var(--ease-smooth);
}
.pub-links a:hover {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  text-decoration: none;
}
.pub-links a:hover::after { transform: translateX(2px); }

@media (max-width: 760px) {
  .pub-list { margin: 8px 0 24px; }
  .pub-row {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 24px 16px;
  }
  .pub-year { font-size: 22px; padding-top: 0; }
  .pub-meta {
    align-items: flex-start;
    text-align: left;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 10px;
  }
  .pub-links { justify-content: flex-start; }
}

/* ============ Research tags ============ */
.tag-row {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-row li {
  padding: 9px 18px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 400;
  transition: all 0.3s var(--ease-apple);
  cursor: default;
}
.tag-row li:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
  transform: translateY(-2px);
}
.research-note {
  font-size: 14px;
  color: var(--muted);
  margin: 24px 0 0;
}

/* ============ Timeline / Education ============ */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-soft);
}
.timeline li {
  display: grid;
  grid-template-columns: 56px 160px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: start;
  transition: padding 0.3s var(--ease-smooth);
}
.timeline li:hover { padding-left: 8px; }
.timeline li:hover .timeline-logo {
  transform: translateY(-2px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 8px 22px rgba(0, 0, 0, 0.08);
}

.timeline-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--rule-soft);
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    var(--shadow-xs);
  transition: transform 0.4s var(--ease-apple), box-shadow 0.4s var(--ease-apple);
}
.timeline-logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.timeline time {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  padding-top: 6px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.timeline > li > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 15.5px;
  padding-top: 2px;
}
.timeline strong {
  font-family: var(--serif);
  color: var(--ink);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.005em;
}
.timeline .place {
  color: var(--text);
  font-size: 14.5px;
}
.timeline .muted {
  color: var(--muted);
  font-size: 13.5px;
}

@media (max-width: 600px) {
  .timeline li {
    grid-template-columns: 48px 1fr;
    gap: 14px;
  }
  .timeline-logo {
    width: 48px;
    height: 48px;
    grid-column: 1;
    grid-row: 1 / span 2;
  }
  .timeline time {
    grid-column: 2;
    grid-row: 1;
    padding-top: 2px;
  }
  .timeline > li > div {
    grid-column: 2;
    grid-row: 2;
    margin-top: 6px;
  }
}

/* ============ Contact ============ */
#contact p {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.5;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.005em;
  max-width: 36ch;
  margin: 0;
}
#contact a {
  color: var(--accent);
  font-weight: 500;
}

/* ============ Footer ============ */
.page-footer {
  max-width: 1024px;
  margin: 0 auto;
  padding: 28px 22px 40px;
  border-top: 1px solid var(--rule-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
}
.page-footer a {
  color: var(--muted);
}
.page-footer a:hover {
  color: var(--ink);
  text-decoration: none;
}

/* ============ Responsive ============ */
@media (max-width: 920px) {
  .page-shell {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0 22px 64px;
  }
  .sidebar {
    position: static;
    padding-top: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--rule-soft);
    margin-bottom: 40px;
  }
  .content { padding-top: 0; }
  section { margin-top: 80px; }
  .hero-stage { padding: 80px 22px 60px; }
}

@media (max-width: 600px) {
  .nav-wrap { padding: 0 16px; gap: 12px; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 12px; }
  .page-shell { padding: 0 18px 56px; }
  .hero-stage { padding: 60px 18px 40px; }
  .hero-tagline { font-size: 18px; }
  .timeline li, .news-list li {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 0;
  }
  .pub-title { font-size: 19px; }
  .bio-intro, #contact p { font-size: 19px; }
  h2 { font-size: 32px; }
}