:root {
  color-scheme: light;
  --ink: #071f1b;
  --forest: #0d3029;
  --forest-2: #16453a;
  --paper: #f2f5ef;
  --white: #fffefa;
  --line: #d2dcd4;
  --muted: #53675f;
  --lime: #d8fa55;
  --teal: #78d8c5;
  --orange: #ffad72;
  --serif: Georgia, "Times New Roman", "Noto Serif SC", serif;
  --sans: Inter, Aptos, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page: min(1180px, calc(100% - 3rem));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img, svg { max-width: 100%; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid #829d00; outline-offset: 4px; }
.wrap { width: var(--page); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 100;
  top: .6rem;
  left: .8rem;
  transform: translateY(-180%);
  padding: .65rem .9rem;
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }
.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  background: rgba(7, 31, 27, .97);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, .13);
  backdrop-filter: blur(14px);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.wordmark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  text-decoration: none;
}
.mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(216, 250, 85, .72);
  color: var(--lime);
  font: 1.05rem var(--serif);
  letter-spacing: -.08em;
}
.wordmark-text { display: grid; gap: .08rem; }
.wordmark-text strong { font-size: .84rem; line-height: 1.2; letter-spacing: .12em; }
.wordmark-text small { color: #b8c8bf; font: .64rem var(--mono); letter-spacing: .09em; }
.header-actions { display: flex; align-items: center; gap: 1.1rem; min-width: 0; }
.main-nav { display: flex; align-items: center; gap: clamp(.9rem, 2vw, 1.65rem); }
.main-nav a {
  position: relative;
  padding: 1.7rem 0 1.6rem;
  color: #d6e2db;
  text-decoration: none;
  font-size: .84rem;
  white-space: nowrap;
}
.main-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 1rem;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--lime);
  transition: transform .2s ease;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--lime); }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.lang-toggle, .menu-toggle {
  min-width: 58px;
  padding: .46rem .72rem;
  border: 1px solid rgba(255, 255, 255, .33);
  border-radius: 999px;
  background: transparent;
  color: var(--white);
  font: 600 .8rem var(--sans);
  cursor: pointer;
}
.lang-toggle:hover, .menu-toggle:hover { border-color: var(--lime); color: var(--lime); }
.menu-toggle { display: none; min-width: 44px; }
.eyebrow, .section-kicker, .micro-label {
  margin: 0;
  font: 700 .72rem var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow { color: var(--lime); }
.section-kicker { color: #58736a; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  padding: .72rem 1.15rem;
  border: 1px solid var(--lime);
  border-radius: 2px;
  background: var(--lime);
  color: var(--ink);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 750;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); background: #e4ff81; }
.button.secondary { border-color: rgba(255,255,255,.36); background: transparent; color: var(--white); }
.button.secondary:hover { border-color: var(--teal); background: rgba(120,216,197,.09); }
.button.dark { border-color: var(--ink); background: var(--ink); color: var(--white); }
.button.dark:hover { background: var(--forest-2); }
.arrow { font-size: 1.08rem; line-height: 1; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  color: #294c41;
  font-size: .9rem;
  font-weight: 750;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.text-link:hover { color: #577500; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.home-hero {
  overflow: hidden;
  position: relative;
  padding: clamp(4.5rem, 8vw, 7.3rem) 0 3rem;
  background: var(--ink);
  color: var(--white);
}
.home-hero::after {
  content: "";
  position: absolute;
  right: -9rem;
  bottom: -25rem;
  width: 49rem;
  height: 49rem;
  border: 1px solid rgba(120, 216, 197, .16);
  border-radius: 50%;
  box-shadow: 0 0 0 3.8rem rgba(120,216,197,.035), 0 0 0 8rem rgba(120,216,197,.025);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, .72fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 7rem);
}
.home-hero h1 {
  margin: 1.05rem 0 .3rem;
  font: 400 clamp(3.5rem, 7.5vw, 6.7rem)/.98 var(--serif);
  letter-spacing: -.065em;
}
.home-hero h1 .cn-name {
  display: block;
  margin-top: .6rem;
  color: var(--teal);
  font: 400 clamp(1.65rem, 3vw, 2.35rem)/1.25 var(--sans);
  letter-spacing: .08em;
}
.hero-role { margin: 1.5rem 0 0; color: #d5e0d9; font-size: 1.03rem; }
.hero-role strong { color: var(--white); font-weight: 700; }
.hero-copy {
  max-width: 670px;
  margin: 1.2rem 0 0;
  color: #bdcdc4;
  font-size: clamp(1.03rem, 1.5vw, 1.17rem);
  line-height: 1.8;
}
.portrait-panel { position: relative; max-width: 440px; justify-self: end; width: 100%; }
.portrait-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 4.85;
  background: #31564b;
  border: 1px solid rgba(120,216,197,.4);
}
.portrait-frame::after {
  content: "";
  position: absolute;
  inset: 55% 0 0;
  background: linear-gradient(transparent, rgba(7,31,27,.83));
  pointer-events: none;
}
.portrait-frame img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 28%; filter: saturate(.88); }
.portrait-caption {
  position: absolute;
  z-index: 1;
  right: 1.25rem;
  bottom: 1.15rem;
  left: 1.25rem;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  color: white;
}
.portrait-caption strong { display: block; font: 400 1.3rem var(--serif); }
.portrait-caption span { color: #d2e0d8; font: .68rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.portrait-index {
  position: absolute;
  top: -1.1rem;
  right: -1.1rem;
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  font: 700 .76rem/1.15 var(--mono);
  text-align: center;
  transform: rotate(8deg);
}
.hero-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  margin-top: clamp(3.5rem, 6vw, 5.7rem);
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,.2);
  color: #b7c7bf;
  font: .7rem var(--mono);
  letter-spacing: .11em;
  text-transform: uppercase;
}
.hero-bottom span:last-child { color: var(--teal); text-align: right; }
.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.7rem, 8vw, 7.2rem) 0 clamp(3.8rem, 6vw, 5.5rem);
  background: var(--ink);
  color: var(--white);
}
.page-hero::before {
  content: attr(data-index);
  position: absolute;
  right: clamp(1rem, 7vw, 8rem);
  bottom: -3.8rem;
  color: rgba(120,216,197,.07);
  font: 400 clamp(10rem, 24vw, 22rem)/1 var(--serif);
  letter-spacing: -.09em;
}
.page-hero-inner { position: relative; z-index: 1; max-width: 940px; }
.breadcrumb { margin-bottom: 1.4rem; color: var(--teal); font: .72rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.breadcrumb a { color: #d7e6dd; text-underline-offset: 3px; }
.page-hero h1 {
  max-width: 900px;
  margin: 0;
  font: 400 clamp(3.2rem, 7vw, 6rem)/1 var(--serif);
  letter-spacing: -.06em;
}
.page-hero p {
  max-width: 760px;
  margin: 1.5rem 0 0;
  color: #c0d0c7;
  font-size: clamp(1.04rem, 1.8vw, 1.24rem);
  line-height: 1.75;
}
.section { padding: clamp(4.7rem, 8vw, 7rem) 0; }
.section.white { background: var(--white); }
.section.tint { background: #e8eee7; }
.section.dark { background: var(--forest); color: var(--white); }
.bio-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(290px, .95fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
}
.bio-copy h2 {
  margin: .6rem 0 1.5rem;
  font: 400 clamp(2.5rem, 5vw, 4.25rem)/1.04 var(--serif);
  letter-spacing: -.05em;
}
.bio-copy > p:not(.section-kicker) { max-width: 700px; color: var(--muted); font-size: 1.04rem; }
.bio-copy > p + p { margin-top: 1rem; }
.bio-facts { border-top: 1px solid var(--line); }
.fact-block { padding: 1.35rem 0 1.5rem; border-bottom: 1px solid var(--line); }
.fact-label { display: block; color: #58736a; font: 700 .7rem var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.timeline { margin-top: .6rem; }
.timeline > div { display: grid; grid-template-columns: 78px minmax(0, 1fr); gap: 1rem; padding: .55rem 0; }
.timeline strong { color: #627a70; font: 700 .72rem var(--mono); }
.timeline span { color: #2e4e42; font-size: .9rem; line-height: 1.5; }
.bio-tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.35rem; }
.bio-tags span { padding: .3rem .5rem; border: 1px solid #c8d5cc; color: #38564b; font: .66rem var(--mono); }
.section-heading {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  align-items: end;
  gap: 3rem;
  margin-bottom: 2.7rem;
}
.section-heading h2, .simple-heading h2 {
  margin: .6rem 0 0;
  font: 400 clamp(2.5rem, 5vw, 4.25rem)/1.04 var(--serif);
  letter-spacing: -.05em;
}
.section-heading p { max-width: 650px; margin: 0; color: var(--muted); font-size: 1.04rem; }
.dark .section-kicker { color: var(--lime); }
.dark .section-heading p { color: #c6d4cc; }
.simple-heading { max-width: 760px; margin-bottom: 2.5rem; }
.simple-heading > p:not(.section-kicker) { margin: 1rem 0 0; color: var(--muted); font-size: 1.03rem; }
.portal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.portal-card {
  min-height: 275px;
  display: flex;
  flex-direction: column;
  padding: 1.4rem 1.3rem 1.5rem 0;
  border-right: 1px solid var(--line);
  text-decoration: none;
}
.portal-card:not(:first-child) { padding-left: 1.3rem; }
.portal-card:last-child { border-right: 0; }
.portal-num { color: #749087; font: .72rem var(--mono); }
.portal-card h3 { margin: 2.8rem 0 .65rem; font: 400 1.55rem/1.15 var(--serif); letter-spacing: -.025em; }
.portal-card p { margin: 0; color: var(--muted); font-size: .93rem; line-height: 1.7; }
.portal-card .portal-arrow { margin-top: auto; padding-top: 1.4rem; color: #3f6256; font-size: 1.25rem; transition: transform .2s; }
.portal-card:hover h3 { text-decoration: underline; text-underline-offset: 5px; }
.portal-card:hover .portal-arrow { transform: translate(4px, -4px); }
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.feature-item { padding: clamp(1.5rem, 4vw, 2.5rem); background: var(--white); }
.feature-item .journal { color: #58736a; font: 700 .69rem var(--mono); letter-spacing: .08em; }
.feature-item h3 { margin: 1.2rem 0 .8rem; font: 400 clamp(1.45rem, 2.5vw, 2rem)/1.18 var(--serif); letter-spacing: -.025em; }
.feature-item p { margin: 0 0 1.4rem; color: var(--muted); }
.research-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.research-card { min-height: 285px; padding: clamp(1.5rem, 4vw, 2.3rem); background: var(--white); }
.research-num { color: #6e8a80; font: .72rem var(--mono); }
.research-card h3 { margin: 2.4rem 0 .75rem; font: 400 clamp(1.5rem, 2.7vw, 2rem)/1.15 var(--serif); letter-spacing: -.025em; }
.research-card p { margin: 0; color: var(--muted); }
.keywords { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.2rem; }
.keyword {
  display: inline-block;
  padding: .3rem .55rem;
  border: 1px solid #c8d5cc;
  color: #38564b;
  font: .66rem var(--mono);
}
.program-list { border-top: 1px solid rgba(255,255,255,.23); }
.program-step {
  display: grid;
  grid-template-columns: 80px minmax(160px, .55fr) 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1.45rem 0;
  border-bottom: 1px solid rgba(255,255,255,.2);
}
.program-step .step-num { color: var(--lime); font: .76rem var(--mono); }
.program-step h3 { margin: 0; font: 400 1.4rem var(--serif); }
.program-step p { margin: 0; color: #c4d4cb; }
.system-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.system-card { padding: 2rem; border: 1px solid var(--line); background: rgba(255,254,250,.72); }
.system-card h3 { margin: .3rem 0 .8rem; font: 400 1.65rem var(--serif); }
.system-card p { margin: 0; color: var(--muted); }
.system-card ul { margin: 1.2rem 0 0; padding-left: 1.2rem; color: #36564b; }
.paper-list { border-top: 1px solid var(--line); }
.publication-legend {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem .9rem;
  margin: 0 0 2rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background: #f3f7f1;
  color: #53675f;
  font-size: .82rem;
}
.publication-legend span { display: inline-flex; align-items: center; gap: .25rem; }
.author-self-legend { color: #2d4e42; font-weight: 750; }
.author-self { padding: 0 .08em; background: linear-gradient(transparent 45%, #d8fa55 45%); color: inherit; }
.pub-year-group + .pub-year-group { margin-top: 3rem; }
.pub-year { display: flex; align-items: baseline; gap: .75rem; margin: 0; padding: .2rem 0 .8rem; border-bottom: 2px solid var(--ink); font: 400 clamp(2rem, 4vw, 3rem)/1 var(--serif); letter-spacing: -.04em; }
.pub-year span { color: #698178; font: 700 .68rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.paper {
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr) 165px;
  gap: 1.4rem;
  align-items: start;
  padding: 1.7rem 0;
  border-bottom: 1px solid var(--line);
}
.paper-year { padding-top: .2rem; color: #627a70; font: .76rem var(--mono); line-height: 1.5; }
.paper h2 { margin: 0; font: 400 clamp(1.18rem, 2vw, 1.55rem)/1.27 var(--serif); letter-spacing: -.02em; }
.paper h2 a { text-decoration-color: #9bab9f; text-underline-offset: 4px; }
.paper h2 a:hover { text-decoration-color: #5c7400; }
.paper p { max-width: 760px; margin: .65rem 0 0; color: var(--muted); font-size: .93rem; line-height: 1.65; }
.paper .citation-meta { margin-top: .55rem; color: #6a8076; font: .72rem var(--mono); line-height: 1.5; }
.paper .authors { max-width: none; margin-top: .65rem; color: #294c41; font-size: .9rem; line-height: 1.6; }
.author-list { color: #294c41; }
.author-role { color: #527000; font: 700 .7em var(--sans); text-decoration: none; vertical-align: super; margin-left: .05em; }
.paper-role {
  justify-self: end;
  padding: .38rem .6rem;
  border: 1px solid var(--line);
  color: #476157;
  font: .66rem var(--mono);
  text-align: center;
}
.profile-links { display: flex; flex-wrap: wrap; gap: .8rem; }
.software-grid { display: grid; gap: 1rem; }
.software-card {
  display: grid;
  grid-template-columns: 75px minmax(0, 1fr) minmax(180px, .45fr);
  gap: 1.5rem;
  align-items: start;
  padding: clamp(1.5rem, 4vw, 2.4rem);
  border: 1px solid var(--line);
  background: var(--white);
}
.software-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--forest);
  color: var(--lime);
  font: 700 .72rem var(--mono);
}
.software-card h2 { margin: 0; font: 400 clamp(1.7rem, 3vw, 2.3rem)/1.1 var(--serif); }
.software-card .software-type { display: block; margin: .45rem 0 .8rem; color: #60796f; font: .68rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.software-card p { margin: 0; color: var(--muted); }
.software-meta { padding-left: 1.4rem; border-left: 1px solid var(--line); }
.software-meta dl { margin: 0 0 1.2rem; }
.software-meta dt { color: #71867d; font: .65rem var(--mono); text-transform: uppercase; }
.software-meta dd { margin: .15rem 0 .75rem; font-size: .88rem; }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.principle { padding: 1.5rem; border-top: 2px solid var(--teal); background: rgba(255,255,255,.06); }
.principle span { color: var(--lime); font: .7rem var(--mono); }
.principle h3 { margin: 1rem 0 .6rem; font: 400 1.35rem var(--serif); }
.principle p { margin: 0; color: #c5d4cc; font-size: .92rem; }
.docs-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}
.docs-nav {
  position: sticky;
  top: 6.5rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: rgba(255,254,250,.78);
}
.docs-nav strong { display: block; margin-bottom: .8rem; font: .72rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.docs-nav a { display: block; padding: .52rem 0; border-top: 1px solid var(--line); color: #3e5e52; font-size: .86rem; text-decoration: none; }
.docs-nav a:hover { color: #617c00; }
.docs-content { min-width: 0; }
.doc-block { padding: 0 0 3.4rem; margin-bottom: 3.4rem; border-bottom: 1px solid var(--line); }
.doc-block:last-child { margin-bottom: 0; border-bottom: 0; }
.doc-block h2 { margin: .5rem 0 1rem; font: 400 clamp(2rem, 4vw, 3rem)/1.1 var(--serif); letter-spacing: -.035em; }
.doc-block > p { max-width: 750px; color: var(--muted); }
.checklist, .doc-list { margin: 1.4rem 0 0; padding: 0; list-style: none; }
.checklist li {
  position: relative;
  padding: .9rem 1rem .9rem 2.6rem;
  border-top: 1px solid var(--line);
}
.checklist li:last-child { border-bottom: 1px solid var(--line); }
.checklist li::before {
  content: "✓";
  position: absolute;
  left: .8rem;
  color: #607d00;
  font-weight: 800;
}
.workflow-steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; margin-top: 1.4rem; }
.workflow-step { padding: 1.1rem; background: var(--white); border: 1px solid var(--line); }
.workflow-step span { color: #668078; font: .68rem var(--mono); }
.workflow-step h3 { margin: .7rem 0 .4rem; font: 400 1.2rem var(--serif); }
.workflow-step p { margin: 0; color: var(--muted); font-size: .9rem; }
.code-note {
  margin-top: 1.4rem;
  padding: 1.2rem;
  overflow-x: auto;
  background: var(--ink);
  color: #d6e4dc;
  border-left: 4px solid var(--lime);
  font: .79rem/1.75 var(--mono);
}
.milestones { margin-top: 1.4rem; border-top: 1px solid var(--line); }
.milestone {
  display: grid;
  grid-template-columns: 120px .55fr 1fr;
  gap: 1.3rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}
.milestone time { color: #526e64; font: .72rem var(--mono); }
.milestone h3 { margin: 0; font: 400 1.2rem var(--serif); }
.milestone p { margin: 0; color: var(--muted); font-size: .9rem; }
.sop-card { margin-top: 1.4rem; padding: 1.4rem; border: 1px solid var(--line); background: var(--white); }
.sop-head { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.sop-head h3 { margin: 0; font: 400 1.5rem var(--serif); }
.status-chip { padding: .3rem .5rem; background: #e3ecc2; color: #3d570a; font: .65rem var(--mono); white-space: nowrap; }
.sop-flow { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; margin: 1.25rem 0; color: #294c41; font: .76rem var(--mono); }
.sop-flow .flow-node { padding: .48rem .62rem; border: 1px solid #bfd0c4; }
.sop-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.contact-band { padding: clamp(4rem, 7vw, 5.8rem) 0; background: var(--lime); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 2rem; }
.contact-band .section-kicker { color: #3d5612; }
.contact-band h2 { margin: .65rem 0 0; font: 400 clamp(2.8rem, 6vw, 5rem)/1 var(--serif); letter-spacing: -.055em; }
.contact-band p { max-width: 620px; margin: 1rem 0 0; color: #34442a; }
.contact-info { justify-self: end; width: min(100%, 430px); }
.contact-email {
  display: inline-block;
  margin-bottom: 1.4rem;
  color: var(--ink);
  font: 400 clamp(1.3rem, 3vw, 2rem) var(--serif);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  overflow-wrap: anywhere;
}
.contact-links { display: flex; flex-wrap: wrap; gap: .6rem 1.1rem; }
.contact-links a { font-size: .83rem; font-weight: 750; text-underline-offset: 4px; }
.site-footer { padding: 1.4rem 0; background: var(--ink); color: #b7c7bf; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; font: .68rem var(--mono); letter-spacing: .035em; }
.footer-inner a { color: var(--teal); text-underline-offset: 3px; }
@media (max-width: 940px) {
  :root { --page: min(100% - 2.5rem, 760px); }
  .wordmark-text small { display: none; }
  .main-nav { gap: .85rem; }
  .main-nav a { font-size: .76rem; }
  .hero-grid { grid-template-columns: minmax(0,1fr) minmax(235px,.72fr); gap: 2.3rem; }
  .bio-grid { gap: 2.8rem; }
  .portal-grid { grid-template-columns: repeat(2, 1fr); }
  .portal-card:nth-child(2) { border-right: 0; }
  .portal-card:nth-child(3), .portal-card:nth-child(4) { border-top: 1px solid var(--line); }
  .portal-card:nth-child(3) { padding-left: 0; }
  .paper { grid-template-columns: 70px minmax(0,1fr) 140px; gap: 1rem; }
  .software-card { grid-template-columns: 65px minmax(0,1fr); }
  .software-meta { grid-column: 2; padding: 1rem 0 0; border: 0; border-top: 1px solid var(--line); }
  .software-meta dl { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; }
  .software-meta dd { margin-right: 1rem; }
  .docs-layout { grid-template-columns: 210px minmax(0,1fr); gap: 2.5rem; }
}
@media (max-width: 720px) {
  :root { --page: calc(100% - 2rem); }
  .header-inner { min-height: 68px; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .main-nav {
    position: fixed;
    inset: 68px 0 auto;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: .5rem 1rem 1.2rem;
    background: var(--ink);
    border-bottom: 1px solid rgba(255,255,255,.15);
  }
  .nav-open .main-nav { display: flex; }
  .main-nav a { padding: .85rem 0; border-bottom: 1px solid rgba(255,255,255,.11); font-size: .95rem; }
  .main-nav a::after { display: none; }
  .header-actions { gap: .55rem; }
  .lang-toggle { min-width: 50px; padding: .42rem .55rem; }
  .home-hero { padding-top: 3.5rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 2.7rem; }
  .bio-grid { grid-template-columns: 1fr; gap: 2.3rem; }
  .home-hero h1 { font-size: clamp(3.5rem, 17vw, 5.2rem); }
  .portrait-panel { justify-self: start; max-width: 390px; width: calc(100% - 1rem); }
  .portrait-index { right: -.7rem; }
  .hero-bottom { align-items: start; flex-direction: column; font-size: .62rem; }
  .hero-bottom span:last-child { text-align: left; }
  .section-heading { grid-template-columns: 1fr; gap: 1.2rem; }
  .section-heading h2 { font-size: 3rem; }
  .feature-row, .research-grid, .system-grid, .contact-grid { grid-template-columns: 1fr; }
  .paper { grid-template-columns: 56px minmax(0,1fr); gap: .75rem; }
  .timeline > div { grid-template-columns: 70px minmax(0,1fr); }
  .paper-role { grid-column: 2; justify-self: start; }
  .program-step { grid-template-columns: 54px 1fr; }
  .program-step p { grid-column: 2; }
  .principle-grid { grid-template-columns: 1fr; }
  .software-card { grid-template-columns: 1fr; }
  .software-meta { grid-column: 1; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-nav { position: static; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 .9rem; }
  .docs-nav strong { grid-column: 1 / -1; }
  .workflow-steps { grid-template-columns: 1fr; }
  .milestone { grid-template-columns: 96px 1fr; }
  .milestone p { grid-column: 2; }
  .contact-info { justify-self: start; }
  .footer-inner { align-items: start; flex-direction: column; }
}
@media (max-width: 480px) {
  .wordmark-text { display: none; }
  .portal-grid { grid-template-columns: 1fr; }
  .portal-card, .portal-card:not(:first-child) { min-height: auto; padding: 1.25rem 0; border-right: 0; border-top: 1px solid var(--line); }
  .portal-card:first-child { border-top: 0; }
  .portal-card h3 { margin-top: 1.5rem; }
  .sop-head { flex-direction: column; }
  .sop-flow .arrow { width: 100%; transform: rotate(90deg); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}