@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&display=swap');

:root {
  --text-size: 16px;
  --display-size: 64px;
  --bg: #f4f1e9;
  --ink: #20241f;
  --muted: #646b61;
  --line: #d5d6ca;
  --blue: #335cff;
  --lime: #dbea73;
  --font: 'DM Sans', Arial, sans-serif;
  --display: var(--font);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 105px; scrollbar-gutter: stable; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font); color: inherit; cursor: pointer; border: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--blue); outline-offset: 6px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p { margin: 0; }
p { line-height: 1.7; }
h1, h2, h3 { font-family: var(--font); font-weight: 500; }
h2 {  line-height: 1.04; letter-spacing: -2.8px; }
h2 em { font-family: var(--font); font-weight: 400; letter-spacing: -2.4px; }
.wrap { max-width: 1320px; padding-left: 44px; padding-right: 44px; margin: auto; }
.section-pad { padding-top: 108px; padding-bottom: 108px; }
.eyebrow, .small-label {  font-weight: 500; letter-spacing: 1.7px; line-height: 1.5; }
.skip-link { position: fixed; left: 20px; top: -90px; padding: 14px; background: white; z-index: 20; }
.skip-link:focus { top: 10px; }
.site-header { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line); }
.header-inner { height: 82px; max-width: 1320px; padding: 0 44px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.brand { display: inline-flex; align-items: center; gap: 10px;  font-weight: 700; letter-spacing: 1px; white-space: nowrap; }
.brand-dot { width: 10px; height: 10px; background: var(--blue); border-radius: 50%; }
.brand-cn {  font-weight: 400; letter-spacing: 1px; color: var(--muted); margin-left: 5px; }
.site-nav { display: flex; align-items: center; gap: 27px;  }
.site-nav > a:not(.nav-cv) { position: relative; padding: 13px 0; }
.site-nav > a:not(.nav-cv)::after { position: absolute; content: ''; height: 1px; background: var(--ink); bottom: 8px; left: 0; width: 0; transition: width .2s; }
.site-nav > a:hover::after { width: 100%; }
.nav-cv { border: 1px solid var(--ink); padding: 12px 15px; border-radius: 30px; }
.nav-cv span { margin-left: 17px; }
.menu-toggle { display: none; }
.hero { padding-top: 28px; padding-bottom: 34px; }
.hero-kicker { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.hero-coordinate {  color: var(--muted); letter-spacing: 1.1px; }
.idea-field { position: relative; height: 545px; isolation: isolate; }
h1 { position: absolute; left: 4%; top: 121px;  line-height: .82; letter-spacing: -8px; pointer-events: none; z-index: 1; }
h1 > span, h1 > em { display: block; }
h1 em { font-family: var(--font);  font-weight: 400; letter-spacing: -9px; color: var(--blue); margin-left: 12%; margin-top: 18px; }
.idea-art { position: absolute; width: 430px; height: 430px; right: 1%; top: 80px; z-index: -1; pointer-events: none; overflow: clip; }
.idea-art > img { width: 100%; height: 100%; animation: sculpture-turn 36s linear infinite; }
.art-center { position: absolute; left: 44%; top: 39%; color: var(--blue); font-family: var(--font);  font-weight: 400; transform: rotate(-12deg); }
.floating-word { position: absolute; z-index: 2; display: flex; gap: 11px; align-items: center; justify-content: center; white-space: nowrap; padding: 14px 20px; min-height: 48px; border: 1px solid var(--ink); border-radius: 50px; background: var(--bg);  box-shadow: 2px 3px 0 #20241f; animation: drift 6s ease-in-out infinite alternate; transform: translateY(0) rotate(var(--tilt)); transition: color .2s, background .2s, box-shadow .2s; }
.floating-word > span {  line-height: 1; }
.floating-word:hover, .floating-word:focus-visible { animation-play-state: paused; background: var(--ink); color: var(--bg); box-shadow: 4px 5px 0 var(--blue); }
.floating-word.active { background: var(--lime); }
.floating-word.active:hover, .floating-word.active:focus-visible { color: var(--ink); }
.word-local { --tilt: -9deg; left: 2%; top: 49px; }
.word-llm { --tilt: 8deg; left: 45%; top: 16px; animation-delay: -2s; background: var(--lime); }
.word-wireless { --tilt: 10deg; right: 1%; bottom: 96px; animation-delay: -3s; }
.word-glasses { --tilt: -7deg; left: 46%; bottom: 15px; animation-delay: -1s; background: #f2bba7; }
.word-realtime { --tilt: 5deg; left: 1%; bottom: 42px; animation-delay: -4s; }
.word-storage { --tilt: -6deg; right: 0; top: 46px; animation-delay: -5s; }
.hero-bottom { display: grid; grid-template-columns: 1.1fr 1fr; gap: 75px; align-items: center; border-top: 1px solid var(--line); padding-top: 27px; }
.hero-introduction { display: flex; gap: 18px; align-items: center; }
.hero-introduction > img { width: 58px; height: 58px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.hero-introduction > div > p:first-child {  line-height: 1.6; max-width: 340px; }
.hero-context {  color: var(--muted); line-height: 1.9; margin-top: 7px; }
.hero-context a { color: var(--ink); border-bottom: 1px solid #aeb4a6; }
.hero-tools { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-top: 27px; }
.hero-tools > p {  letter-spacing: 1px; color: var(--muted); }
.hero-tools > div { display: flex; align-items: center; gap: 20px; }
.motion-toggle { display: inline-flex; align-items: center; gap: 8px; background: transparent; min-height: 44px;  padding: 10px 0 10px 12px; }
.motion-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.motion-toggle[aria-pressed=false] .motion-dot { background: var(--muted); }
.motion-paused .floating-word, .motion-paused .idea-art > img, .motion-outside .floating-word, .motion-outside .idea-art > img { animation-play-state: paused; }
.journey { padding-bottom: 43px; }
.rail-heading { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); padding-top: 25px; gap: 20px; }
.rail-heading h2 { font-family: var(--font); letter-spacing: 0; }
.rail-heading > span {  letter-spacing: 1px; color: var(--muted); }
.affiliation-list { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 12px; margin-top: 22px; }
.affiliation { background: transparent; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 15px; min-height: 96px; min-width: 0; padding: 14px 9px; border: 1px solid transparent; border-radius: 50%; transition: background .2s, transform .2s; }
.affiliation img { width: auto; max-width: 100%; height: 34px; object-fit: contain; filter: grayscale(1); opacity: .8; }
.affiliation[data-place=tsinghua] img, .affiliation[data-place=jlsemi] img { filter: brightness(0); opacity: .8; }
.affiliation[data-place=alibaba] img, .affiliation[data-place=tencent] img { height: auto; max-height: 34px; width: 100%; }
.affiliation:hover, .affiliation.active { background: #e5e6db; transform: rotate(-4deg); }
.affiliation:hover img, .affiliation.active img { opacity: 1; }
.affiliation span {  letter-spacing: .8px; color: var(--muted); }
.journey-detail { display: flex; gap: 14px; align-items: center; min-height: 69px; padding-top: 20px;  }
.detail-marker { color: var(--blue);  }
.journey-detail strong { font-weight: 600; white-space: nowrap; }
.journey-detail > span:not(.detail-marker) { color: var(--muted); white-space: nowrap; }
.journey-detail p { flex: 1; color: var(--muted); line-height: 1.5; }
.journey-detail a { color: var(--blue); white-space: nowrap; padding: 12px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 60px; }
.section-heading > p:not(.eyebrow) {  color: #c3c8be; }
.building { background: #252b25; color: var(--bg); border-radius: 36px 36px 0 0; }
.building .eyebrow { color: var(--lime); }
.wici-feature { display: grid; grid-template-columns: .9fr 1.15fr; gap: 85px; align-items: center; }
.wici-wordmark {  font-weight: 500; letter-spacing: -3px; }
.wici-copy h2 {  line-height: .98; letter-spacing: -3px; margin-top: 28px; }
.wici-copy p {  line-height: 1.85; color: #c3c8be; max-width: 410px; margin-top: 29px; }
.wici-copy p + p { margin-top: 13px; }
.work-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 32px; }
.work-tags span { border: 1px solid #626b60; border-radius: 30px; padding: 7px 10px;  letter-spacing: .8px; color: #d2d7cc; }
.button { display: inline-flex; justify-content: space-between; align-items: center; min-height: 48px; gap: 32px; padding: 15px 21px; border-radius: 32px;  transition: transform .2s; }
.button:hover { transform: rotate(-3deg); }
.primary { background: var(--ink); color: var(--bg); }
.light { background: var(--lime); color: var(--ink); }
.wici-research { display: inline-block;  color: #d2d7cc; margin-left: 22px; padding: 14px 0; }
.wici-image { height: 560px; position: relative; overflow: hidden; border-radius: 45% 45% 3px 3px; transform: rotate(3deg); }
.wici-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s; }
.wici-image:hover img { transform: scale(1.05); }
.wici-image > span { position: absolute; bottom: 20px; left: 25px; right: 25px; display: flex; justify-content: space-between; padding: 13px 18px; background: var(--bg); color: var(--ink); border-radius: 30px;  }
.other-projects { display: grid; grid-template-columns: .55fr 1fr 1fr; gap: 40px; align-items: center; margin-top: 75px; padding-top: 32px; border-top: 1px solid #586052; }
.other-projects > .small-label { color: #c3c8be;  }
.project-link { display: flex; align-items: center; gap: 18px; min-width: 0; }
.project-symbol { display: grid; place-items: center; width: 45px; height: 45px; border: 1px solid #75836b; border-radius: 50%; color: var(--lime);  flex-shrink: 0; }
.project-link div { flex: 1; }
.project-link h3 { font-family: var(--font); }
.project-link p { color: #c3c8be;  margin-top: 6px; }
.project-link:hover h3 { color: var(--lime); }
.research-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 48px; }
.research-heading > p {  line-height: 1.9; color: var(--muted); }
.text-link {  padding: 12px 0; }
.text-link:hover { color: var(--blue); }
.research-controls { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--ink); padding-bottom: 22px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter { border: 1px solid var(--line); border-radius: 30px; min-height: 44px; padding: 10px 17px; background: transparent;  }
.filter.active { background: var(--blue); color: white; border-color: var(--blue); }
.filter:hover:not(.active) { border-color: var(--ink); }
.research-count {  color: var(--muted); white-space: nowrap; }
.paper { display: grid; grid-template-columns: 70px minmax(0,1fr) 42px; gap: 24px; align-items: start; padding: 28px 0; border-bottom: 1px solid var(--line); }
.paper[hidden] { display: none; }
.paper-year {  color: var(--muted); padding-top: 4px; }
.paper-venue {  letter-spacing: 1.1px; color: var(--blue); line-height: 1.8; margin-bottom: 8px; }
.paper h3 { font-family: var(--font); letter-spacing: -.3px; overflow-wrap: anywhere; }
.paper h3 a:hover { color: var(--blue); }
.paper > div > p:last-child {  color: var(--muted); margin-top: 7px; }
.paper-arrow { display: grid; place-items: center; width: 42px; height: 44px; border: 1px solid var(--line); border-radius: 50%;  }
.paper-arrow:hover { background: var(--lime); border-color: var(--ink); }
.about { background: #e8e9dc; }
.about-grid { display: grid; grid-template-columns: .75fr 1fr; gap: 105px; align-items: center; }
.about-photo { max-width: 390px; transform: rotate(-4deg); }
.about-photo > img { width: 100%; aspect-ratio: 1/1.12; object-fit: cover; border-radius: 45% 45% 1px 1px; }
.about-photo > span { display: block;  letter-spacing: 1.4px; line-height: 1.8; margin-top: 17px; }
.about-photo > span > span { float: right; }
.about-photo small {  color: var(--muted); }
.about-copy h2 {  margin: 25px 0 30px; }
.about-copy > p:not(.eyebrow) {  color: #56604f; line-height: 1.9; margin-bottom: 17px; }
.about-copy p a { border-bottom: 1px solid #9ca690; color: var(--ink); }
.about-copy > .about-note { color: var(--ink); }
.profile-links { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 27px; }
.profile-links a { color: var(--blue);  padding: 10px 0; }
.lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 95px; align-items: center; }
.lab-grid > div > p:not(.lab-small) {  color: var(--muted); margin-top: 25px; max-width: 440px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 25px; margin-top: 28px; }
.lab-small { color: var(--muted);  margin-top: 25px; }
.lab-small a:hover { color: var(--blue); }
.highlights > .small-label { color: var(--muted);  }
.highlights > a { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line);  line-height: 1.6; }
.highlights > a > span {  color: var(--muted); }
.highlights > a > div { flex: 1; }
.highlights small { display: block;  color: var(--muted); margin-top: 6px; }
.highlights a:hover > div { color: var(--blue); }
.contact { background: var(--blue); color: var(--bg); border-radius: 36px 36px 0 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 95px; align-items: center; }
.contact h2 {  line-height: .98; letter-spacing: -5px; margin-top: 28px; }
.contact h2 em { letter-spacing: -5px; }
.contact h2 > span { color: var(--lime);  display: inline-block; margin-left: 16px; }
.contact-copy > p:first-child {  max-width: 360px; }
.email-link { display: inline-flex; justify-content: space-between; gap: 50px; padding-bottom: 12px; border-bottom: 1px solid #93a7ff;  letter-spacing: -.8px; margin-top: 27px; }
.contact-location {  line-height: 1.8; margin-top: 27px; color: #e0e5ff; }
.feedback { display: inline-block;  color: #e0e5ff; line-height: 1.8; margin-top: 22px; }
.footer { display: grid; grid-template-columns: 1fr auto; gap: 23px; padding-top: 38px; padding-bottom: 30px; }

.footer > p, .footer > small {  color: var(--muted); text-align: right; }
.footer > div { display: flex; flex-wrap: wrap; gap: 20px;  }
.footer > div a:hover { color: var(--blue); }
@keyframes drift { to { transform: translateY(-12px) rotate(calc(var(--tilt) + 3deg)); } }
@keyframes sculpture-turn { from { transform: rotate(var(--topic-turn, 0deg)); } to { transform: rotate(calc(var(--topic-turn, 0deg) + 360deg)); } }

@media (max-width: 1100px) {
  .brand-cn { display: none; }
  .site-nav { gap: 20px; }
  .idea-field { height: 510px; }
  h1 { top: 127px;  letter-spacing: -6px; left: 1%; }
  .idea-art { width: 360px; height: 360px; top: 103px; right: 0; }
  .floating-word {  padding: 12px 16px; }
  .word-llm { left: 39%; }

  .word-glasses { left: 49%; }
  .hero-bottom { gap: 35px; }


  .wici-feature { gap: 50px; }
  .wici-image { height: 520px; }
  .other-projects { gap: 25px; }
  .about-grid { gap: 65px; }
  .lab-grid, .contact-grid { gap: 60px; }
  .journey-detail { flex-wrap: wrap; gap: 10px; }
  .journey-detail p { flex-basis: 100%; order: 2; padding-left: 25px; min-height: 34px; }
  .journey-detail a { margin-left: auto; }
}
@media (max-width: 1100px) {
  .header-inner { height: 74px; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; padding: 10px 0 10px 16px; background: transparent;  }

  .brand-cn { display: inline; }
  .site-nav { display: none; position: absolute; top: 74px; left: 0; right: 0; padding: 18px 44px 25px; border-bottom: 1px solid var(--line); background: var(--bg); align-items: stretch; gap: 5px; max-height: calc(100vh - 74px); max-height: calc(100dvh - 74px); overflow-y: auto; overscroll-behavior: contain; }
  .site-nav.open { display: flex; flex-direction: column; }
  .site-nav > a:not(.nav-cv) { padding: 13px 0;  min-height: 44px; }
  .site-nav .nav-cv { margin-top: 12px; padding: 13px;  }
  .nav-cv span { float: right; }
  html:not(.js) .header-inner { height: auto; flex-wrap: wrap; padding-top: 20px; }
  html:not(.js) .site-nav { display: flex; flex-wrap: wrap; position: static; flex-basis: 100%; border: 0; padding: 0 0 20px; }
  html:not(.js) .menu-toggle { display: none; }
  .hero-coordinate { display: none; }
  .word-storage { top: 53px; }
  .word-local { left: 0; }
  .word-llm { left: 34%; top: 0; }
  .word-realtime { bottom: 32px; }
  .word-glasses { bottom: 0; left: 51%; }
  .hero-bottom { grid-template-columns: 1fr 1fr; gap: 25px; }
  .hero-introduction { align-items: flex-start; gap: 12px; }
  .hero-introduction > img { width: 45px; height: 45px; }
  .hero-tools > p { max-width: 230px; line-height: 1.8; }
  .section-pad { padding-top: 80px; padding-bottom: 80px; }


  .wici-research { margin: 12px 0 0; display: block; }
  .wici-image { height: 490px; }
  .other-projects { grid-template-columns: 1fr 1fr; }
  .other-projects > .small-label { grid-column: 1/-1; }
  .research-heading > p {  max-width: 250px; }
  .research-controls { align-items: flex-end; }
  .about-grid { gap: 45px; }

  .lab-grid, .contact-grid { gap: 40px; }


  .email-link {  gap: 25px; }
}
@media (max-width: 650px) {
  html { scroll-padding-top: 88px; }
  .wrap { padding-left: 24px; padding-right: 24px; }
  .header-inner { height: 70px; padding: 0 24px; }


  .site-nav { top: 70px; padding-left: 24px; padding-right: 24px; max-height: calc(100vh - 70px); max-height: calc(100dvh - 70px); }
  .hero { padding-top: 28px; padding-bottom: 25px; }
  .hero .eyebrow {  letter-spacing: 1.1px; }
  .idea-field { height: auto; display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px 10px; padding: 25px 0 35px; }
  h1 { position: static; grid-column: 1/-1;  letter-spacing: -4px; line-height: .9; margin: 9px 0 38px; text-align: center; }
  h1 em { margin: 10px 0 0 5%;  letter-spacing: -5px; }
  .idea-art { top: 120px; right: 4%; width: 280px; height: 280px; opacity: .48; }

  .floating-word { position: relative; top: auto; bottom: auto; left: auto; right: auto; min-width: 0; width: 100%; min-height: 48px;  padding: 11px 8px; gap: 6px; box-shadow: 1px 2px 0 var(--ink); animation-name: drift-mobile; animation-duration: 5s; }

  .word-local { --tilt: -6deg; }
  .word-llm { --tilt: 5deg; }
  .word-wireless { --tilt: 4deg; }
  .word-glasses { --tilt: -6deg; }
  .word-realtime { --tilt: -3deg;  }
  .word-storage { --tilt: 4deg;  }
  .hero-bottom { grid-template-columns: 1fr; gap: 25px; padding-top: 24px; }
  .hero-introduction { gap: 15px; align-items: center; }
  .hero-introduction > img { width: 48px; height: 48px; }
  .hero-introduction > div > p:first-child {  line-height: 1.6; }

  .hero-tools { margin-top: 10px; }
  .hero-tools > p { max-width: 185px;  letter-spacing: .8px; }
  .hero-tools > div { gap: 0; }
  .rail-heading { align-items: flex-start; padding-top: 23px; }
  .rail-heading h2 {  line-height: 1.5; }
  .rail-heading > span {  max-width: 100px; text-align: right; line-height: 1.8; }
  .affiliation-list { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 8px; margin-top: 15px; }
  .affiliation { padding: 13px 6px; gap: 11px; min-height: 85px; }
  .affiliation img { height: 29px; }

  .journey { padding-bottom: 30px; }
  .journey-detail {  gap: 8px; }
  .journey-detail > span:not(.detail-marker) { white-space: normal; }
  .journey-detail p { min-height: 47px; padding-left: 23px; }
  .journey-detail a { margin-left: 23px; order: 3; }
  .section-pad { padding-top: 58px; padding-bottom: 58px; }
  .section-heading { margin-bottom: 38px; }
  .eyebrow {  letter-spacing: 1.2px; }
  .section-heading > p:not(.eyebrow) {  max-width: 140px; text-align: right; }
  h2 {  letter-spacing: -2px; }
  h2 em { letter-spacing: -1.7px; }
  .building, .contact { border-radius: 25px 25px 0 0; }
  .wici-feature { grid-template-columns: minmax(0,1fr); gap: 38px; }

  .wici-copy h2 {  margin-top: 24px; }
  .wici-copy p {  max-width: 100%; margin-top: 24px; }
  .work-tags { margin: 23px 0 26px; gap: 6px; }
  .work-tags span {  padding: 7px 8px; }
  .wici-research { display: inline-block; margin: 0 0 0 16px;  }
  .wici-image { height: 350px; transform: rotate(2deg); }
  .wici-image > span { left: 18px; right: 18px; bottom: 17px;  }
  .other-projects { grid-template-columns: minmax(0,1fr); margin-top: 45px; gap: 25px; }
  .other-projects > .small-label { grid-column: auto; }

  .research-heading { flex-direction: column; align-items: flex-start; gap: 26px; margin-bottom: 30px; }
  .research-heading > p { max-width: none;  }
  .research-controls { flex-direction: column; align-items: flex-start; gap: 17px; }
  .filters { gap: 7px; }
  .filter {  padding: 10px 13px; }

  .paper { grid-template-columns: 30px minmax(0,1fr) 36px; gap: 10px; padding: 25px 0; }

  .paper-venue {  letter-spacing: .7px; }


  .paper-arrow { width: 36px; height: 44px;  }
  .about-grid { grid-template-columns: minmax(0,1fr); gap: 45px; }
  .about-photo { max-width: 260px; margin-left: 6px; }
  .about-photo > img { aspect-ratio: 1; }


  .profile-links { gap: 16px; }
  .lab-grid, .contact-grid { grid-template-columns: minmax(0,1fr); gap: 42px; }
  .hero-actions { gap: 23px; }

  .highlights > a {  gap: 16px; }
  .contact h2 {  letter-spacing: -4px; }
  .contact h2 em { letter-spacing: -4px; }
  .contact-copy > p:first-child {  max-width: 320px; }
  .email-link {  gap: 50px; }

  .footer { grid-template-columns: minmax(0,1fr); gap: 21px; padding-top: 31px; }
  .footer > p, .footer > small { text-align: left; }
  .footer > div { gap: 17px; }
}
@media (max-width: 360px) {
  .wrap, .header-inner { padding-left: 20px; padding-right: 20px; }
  .brand-cn { display: none; }
  .floating-word { padding-left: 5px; padding-right: 5px; gap: 4px; }
  .idea-art { right: 0; width: 240px; height: 240px; top: 125px; }

  .wici-research { display: block; margin: 10px 0 0; }

  .email-link {  gap: 25px; }
}
@keyframes drift-mobile { to { transform: translateY(-5px) rotate(calc(var(--tilt) + 2deg)); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Two text levels throughout: reading text and display headings. */
body { font-size: var(--text-size); }
small, button, input { font-size: inherit; }
h1, h2, .wici-wordmark, .art-center { font-size: var(--display-size); }
h1 em, h2 em { font-size: inherit; }
h3 { font-size: var(--text-size); font-weight: 600; }
.brand, .eyebrow, .small-label, .paper-venue, .hero-coordinate { letter-spacing: 0; }
.rail-heading h2 { font-size: var(--text-size); }
sup, sub { font-size: inherit; }
.hero-kicker { align-items: flex-start; }
.idea-field { height: 470px; }
h1 { top: 145px; line-height: .95; letter-spacing: -3px; }
h1 em { letter-spacing: -3px; margin-top: 10px; }
.idea-art { top: 45px; width: 380px; height: 380px; }
.floating-word { min-height: 52px; }
.hero-bottom { display: block; padding-top: 24px; }
.hero-introduction { max-width: 850px; }
.hero-introduction > div > p:first-child { max-width: none; }
.hero-tools > p { max-width: none; }
.hero-tools { margin-top: 12px; }
.hero-tools > div { gap: 0; }
.affiliation > span { display: none; }
.journey-detail { flex-wrap: wrap; gap: 12px 18px; padding-top: 22px; }
.journey-detail p { flex-basis: 100%; order: 2; min-height: 48px; padding-left: 32px; }
.journey-detail a { margin-left: auto; }
.paper { grid-template-columns: 65px minmax(0,1fr) 44px; }
.paper-venue { margin-bottom: 10px; }
.paper h3 { font-weight: 600; }
.paper h3, .paper p { line-height: 1.6; }
.wici-copy h2, .about-copy h2, .contact h2 { font-size: var(--display-size); }
.contact h2 em { letter-spacing: -3px; }
.lab-grid { display: block; }
.lab-grid > div { max-width: 850px; }
.lab-grid > div > p:not(.lab-small) { max-width: 650px; }

/* Research directions stay in the composition, like an interactive poster. */
.idea-field { height: 560px; }
.hero-statement { position: absolute; z-index: 1; left: 4%; top: 130px; width: min(560px, 57%); }
.hero-statement h1 { position: static; margin: 0; line-height: .98; }
.hero-statement h1 em { margin: 8px 0 0 7%; }
.hero-direction { max-width: 440px; min-height: 82px; margin-top: 24px; line-height: 1.7; }
.hero-direction-link { display: inline-flex; align-items: center; gap: 18px; min-height: 44px; padding: 7px 0; border-bottom: 1px solid var(--ink); color: var(--blue); }
.hero-direction-link:hover { border-color: var(--blue); }
.idea-art { top: 125px; right: 1%; }
.word-realtime { bottom: 28px; }
.word-glasses { bottom: 16px; }
.word-wireless { bottom: 94px; }
@media (max-width: 1100px) {
  .hero-statement { left: 1%; width: 62%; }
  .hero-direction { max-width: 380px; }
  .idea-art { width: 310px; height: 310px; top: 170px; right: 0; }
}

@media (max-width: 650px) {
  .idea-field { height: auto; gap: 16px 10px; }
  .hero-statement { display: contents; }
  .hero-statement h1 { grid-column: 1/-1; order: 0; min-height: 94px; margin: 8px 0 24px; text-align: center; }
  .hero-statement h1 em { margin: 8px 0 0; }
  .floating-word { order: 1; }
  .hero-direction { grid-column: 1/-1; order: 2; max-width: none; min-height: 112px; margin-top: 12px; }
  .hero-direction-link { grid-column: 1/-1; order: 3; justify-self: start; margin-top: -13px; }
  .idea-art { width: 260px; height: 260px; top: 115px; right: 3%; opacity: .4; }
  .word-realtime, .word-glasses, .word-wireless { bottom: auto; }
}
.recognition { border-top: 1px solid var(--line); }
@media (max-width: 1100px) {
  .header-inner { min-height: 70px; height: 70px; }
  .site-nav { top: 70px; max-height: calc(100dvh - 70px); }
  .hero-coordinate { display: none; }
  .word-local { left: 0; }
  .word-llm { left: 34%; }
  .word-storage { top: 70px; }
}
@media (max-width: 650px) {
  :root { --display-size: 40px; }
  h1 { position: static; margin-bottom: 24px; line-height: 1; }
  h1 em { letter-spacing: -2px; }
  .idea-field { height: auto; }
  .idea-art { top: 90px; width: 260px; height: 260px; right: 5%; }
  .floating-word { top: auto; bottom: auto; left: auto; right: auto; min-height: 64px; padding: 10px 7px; white-space: normal; line-height: 1.3; }
  .floating-word > span { display: none; }
  .hero-kicker .eyebrow { max-width: 270px; }
  .hero-tools { gap: 15px; align-items: center; }
  .hero-tools > p { max-width: 180px; }
  .hero-introduction { align-items: flex-start; }
  .hero-introduction > img { width: 48px; height: 48px; }
  .hero-context { line-height: 1.6; }
  .rail-heading { flex-direction: column; gap: 12px; }
  .rail-heading > span { max-width: none; text-align: left; }
  .affiliation-list { gap: 6px; }
  .affiliation { min-height: 75px; }
  .journey-detail { align-items: flex-start; }
  .journey-detail strong { white-space: normal; }
  .journey-detail > span:not(.detail-marker) { flex-basis: 100%; padding-left: 32px; }
  .journey-detail p { min-height: 96px; }
  .journey-detail a { margin-left: 32px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 14px; }
  .section-heading > p:not(.eyebrow) { max-width: none; text-align: left; }
  .research-heading { gap: 25px; }
  .paper { grid-template-columns: minmax(0,1fr) 44px; gap: 14px; }
  .paper-year { grid-column: 1/-1; }
  .paper h3 { letter-spacing: 0; }
  .other-projects { gap: 30px; }
  .project-link { gap: 12px; }
  .work-tags span { padding: 8px 10px; }
  .profile-links { gap: 12px 20px; }
  .email-link { gap: 25px; }
  .footer > div { gap: 14px 20px; }
}

.hero-annotation { position: absolute; z-index: 2; left: 4%; top: 298px; width: min(440px, 55%); }
.hero-annotation .hero-direction { margin-top: 0; }
@media (max-width: 1100px) {
  .hero-annotation { left: 1%; width: min(410px, 60%); }
}

@media (max-width: 800px) {
  .idea-field { height: auto; display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 16px 10px; padding: 25px 0 35px; }
  .hero-statement { display: contents; }
  .hero-statement h1 { grid-column: 1/-1; order: 0; min-height: 142px; margin: 8px 0 24px; text-align: center; }
  .hero-statement h1 em { margin: 8px 0 0; }
  .floating-word { position: relative; top: auto; bottom: auto; left: auto; right: auto; order: 1; min-width: 0; width: 100%; min-height: 64px; padding: 10px 7px; white-space: normal; line-height: 1.3; }
  .hero-annotation { position: static; grid-column: 1/-1; order: 2; width: 100%; }
  .hero-annotation .hero-direction { min-height: 112px; max-width: none; margin-top: 12px; }
  .hero-direction-link { margin-top: -13px; }
  .idea-art { width: 290px; height: 290px; top: 165px; right: 5%; opacity: .4; }
}
@media (max-width: 650px) {
  .hero-statement h1 { min-height: 94px; }
  .idea-art { width: 260px; height: 260px; top: 115px; }
}

/* Compact recognition cards: three across on desktop. */
.recognition-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 30px; }
.recognition-heading > p { max-width: 320px; color: var(--muted); }
.recognition-cards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; padding: 6px 0 18px; }
.recognition-card { position: relative; isolation: isolate; display: flex; flex-direction: column; min-width: 0; min-height: 270px; padding: 18px; overflow: hidden; border-radius: 16px; }
.recognition-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.recognition-card h3 { position: relative; z-index: 1; font-family: var(--font); font-size: var(--text-size); font-weight: 600; line-height: 1.4; letter-spacing: 0; }
.recognition-card-notes { position: relative; z-index: 1; margin-top: auto; padding-top: 24px; }
.recognition-card-notes p { line-height: 1.45; }
.recognition-card-notes p + p { margin-top: 12px; }
.recognition-card-notes .card-scope { margin-top: 10px; }
.recognition-card-notes strong { font-weight: 600; }
.card-research { background: var(--blue); color: var(--bg); }
.card-gold { margin-top: 12px; background: var(--lime); transform: rotate(.7deg); }
.card-doctoral { background: #efb49a; }
.card-fellowships { margin-top: 12px; background: var(--ink); color: var(--bg); }
.card-ribbon { position: absolute; z-index: 0; width: 175px; height: 175px; right: -55px; top: 24px; opacity: .18; filter: brightness(0) invert(1); animation: recognition-sway 10s ease-in-out infinite alternate; }
.card-star { position: absolute; z-index: 0; width: 130px; height: 130px; top: 30px; right: -65px; fill: none; stroke: var(--ink); stroke-width: 1.2; opacity: .25; transform: rotate(-10deg); transition: transform .6s; }
.card-star path:last-child { fill: #efb49a; stroke: none; }
.card-fold { position: absolute; z-index: 0; width: 120px; height: 120px; top: 32px; right: -65px; fill: none; stroke: var(--blue); stroke-width: 1.1; transform: rotate(8deg); opacity: .3; }
.card-orbit { position: absolute; z-index: 0; width: 180px; height: 120px; top: 40px; right: -95px; fill: none; stroke: var(--lime); stroke-width: 1.2; opacity: .35; transition: transform .6s; }
.recognition-card:hover .card-star { transform: rotate(5deg); }
.recognition-card:hover .card-orbit { transform: rotate(-8deg); }
.motion-paused .card-ribbon, .recognition-cards.motion-outside .card-ribbon { animation-play-state: paused; }
@keyframes recognition-sway { from { transform: rotate(-8deg); } to { transform: rotate(5deg); } }
@media (max-width: 767px) {
  .recognition-cards { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .recognition-card { margin: 0; transform: none; }
}
@media (max-width: 650px) {
  .recognition-heading { flex-direction: column; align-items: flex-start; gap: 25px; margin-bottom: 26px; }
  .recognition-cards { grid-template-columns: minmax(0,1fr); gap: 16px; }
  .recognition-card { min-height: 250px; }
}