:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #22252a;
  --muted: #6f747d;
  --line: #dfe2e7;
  --accent: #286fbd;
  --accent-soft: #eaf3fd;
  --globe: #5f6874;
  --nav-height: 72px;
  --page: 1180px;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #111419;
  --surface: #171b21;
  --ink: #eef1f5;
  --muted: #9ca4af;
  --line: #303640;
  --accent: #69aef5;
  --accent-soft: #182b40;
  --globe: #bbc5d1;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  line-height: 1.65;
  transition: color 200ms ease, background 200ms ease;
}
body.menu-open { overflow: hidden; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
button { color: inherit; font: inherit; }
::selection { color: white; background: var(--accent); }

.lang-zh { display: none !important; }
html[data-lang="zh"] .lang-en { display: none !important; }
html[data-lang="zh"] .lang-zh { display: revert !important; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 12px;
  color: var(--surface);
  background: var(--ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.page-shell,
.nav-shell {
  width: min(calc(100% - 40px), var(--page));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--nav-height);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(16px);
}

.nav-shell {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand-seal {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  background: var(--accent);
  -webkit-mask-image: url("./assets/buaa-logo.png");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: left center;
  -webkit-mask-size: auto 34px;
  mask-image: url("./assets/buaa-logo.png");
  mask-repeat: no-repeat;
  mask-position: left center;
  mask-size: auto 34px;
}
.brand strong,
.brand small { display: block; line-height: 1.2; }
.brand strong { font-size: 14px; }
.brand small { margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 400; }

.desktop-nav { display: flex; align-items: center; gap: 28px; }
.desktop-nav a {
  position: relative;
  color: var(--muted);
  font-size: 13px;
}
.desktop-nav a:hover,
.desktop-nav a.active { color: var(--ink); text-decoration: none; }
.desktop-nav a.active::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -25px;
  left: 0;
  height: 2px;
  background: var(--accent);
}

.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle,
.language-toggle,
.menu-toggle {
  min-width: 38px;
  min-height: 38px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}
.theme-toggle:hover,
.language-toggle:hover,
.menu-toggle:hover { border-color: var(--accent); }
.language-toggle { font-family: var(--mono); font-size: 11px; cursor: pointer; }
.menu-toggle { display: none; padding-inline: 12px; font-size: 10px; text-transform: uppercase; }
.mobile-nav { display: none; }

main { display: flex; flex-direction: column; padding: 22px 0 80px; }
#home { order: 1; }
#news { order: 2; }
#publications { order: 3; }
#projects { order: 4; }
#experience { order: 5; }
#education { order: 6; }
#research { order: 7; }
section { scroll-margin-top: calc(var(--nav-height) + 18px); }

.profile-section,
.news-section,
.publications-section,
.research-section,
.education-section,
.experience-section,
.projects-section {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.section-heading {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}
.section-heading h1,
.section-heading h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
}
.section-heading h1::before { content: "●"; margin-right: 9px; color: var(--accent); font-size: 10px; }
.section-heading h2::before { content: "★"; margin-right: 8px; color: var(--accent); font-size: 12px; }
.section-heading h1 em { color: var(--muted); font-style: normal; font-weight: 500; }
.section-heading p { margin: 0; color: var(--muted); font-size: 11px; }

.profile-grid {
  position: relative;
  min-height: 350px;
  display: grid;
  grid-template-columns: 170px minmax(360px, 1fr) 310px;
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
  padding: 34px;
  overflow: hidden;
}

.identity { position: relative; z-index: 2; text-align: center; }
.portrait {
  position: relative;
  width: 132px;
  aspect-ratio: 4 / 5;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, transparent 48%, var(--line) 49%, var(--line) 51%, transparent 52%),
    var(--accent-soft);
}
.portrait > span { color: var(--accent); font-family: var(--mono); font-size: 34px; letter-spacing: -0.08em; }
.portrait img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 50% 46%; transform: scale(1.18); }
.portrait small {
  position: absolute;
  right: 7px;
  bottom: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.18em;
}
.identity h2 { margin: 0 0 2px; font-size: 18px; }
.identity p { margin: 0; color: var(--muted); font-size: 11px; }
.social-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px 13px; margin-top: 13px; }
.social-links a { font-family: var(--mono); font-size: 9px; text-transform: uppercase; }

.biography { position: relative; z-index: 2; align-self: center; font-size: 15px; }
.biography p { margin: 0 0 14px; }
.biography .lead { font-size: 18px; }
.availability { color: var(--accent); font-style: italic; }

.globe-wrap {
  position: relative;
  z-index: 1;
  width: 330px;
  aspect-ratio: 1;
  justify-self: end;
}
#globe-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}
#globe-canvas:active { cursor: grabbing; }
.globe-caption {
  position: absolute;
  right: 10px;
  bottom: 0;
  left: 10px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
}
.globe-caption i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 4px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
}

.news-list { padding: 0 22px; }
.news-list article {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 19px 0;
}
.news-list time { color: var(--accent); font-family: var(--mono); font-size: 11px; }
.news-list p { margin: 0; font-size: 14px; }
.news-list article + article { border-top: 1px solid var(--line); }

.timeline-list { padding: 0 24px; }
.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 34px;
  padding: 25px 0 25px 20px;
  border-bottom: 1px solid var(--line);
}
.timeline-item:last-child { border-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  top: 31px;
  left: 0;
  width: 6px;
  height: 6px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: var(--surface);
}
.timeline-item.featured::before { background: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.timeline-item time { color: var(--accent); font-family: var(--mono); font-size: 10px; letter-spacing: 0.02em; }
.timeline-item h3 { margin: -4px 0 3px; font-size: 17px; }
.timeline-item p { margin: 0; color: var(--muted); font-size: 13px; }
.experience-copy { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; align-items: start; }
.company-logo {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.company-logo img { display: block; width: 28px; height: 28px; object-fit: contain; }
.company-logo.beta-logo { justify-items: start; background: #06070a; }
.company-logo.beta-logo img { width: auto; height: 34px; max-width: none; margin-left: 1px; }

.project-item {
  display: grid;
  grid-template-columns: 190px minmax(260px, 1fr) minmax(380px, 1.15fr);
  gap: 30px;
  padding: 28px 24px;
  border-bottom: 1px solid var(--line);
}
.project-item.vln-project {
  grid-template-columns: 150px minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 22px;
}
.project-item:last-child { border-bottom: 0; }
.project-item.ongoing {
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 22px;
  background: color-mix(in srgb, var(--accent-soft) 45%, transparent);
}
.project-meta { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.project-meta time { color: var(--accent); font-family: var(--mono); font-size: 10px; }
.project-badge { padding: 2px 7px; border: 1px solid var(--accent); color: var(--accent); font-family: var(--mono); font-size: 8px; letter-spacing: 0.08em; text-transform: uppercase; }
.project-copy h3 { margin: -5px 0 8px; font-size: 21px; }
.project-copy p { margin: 0; color: var(--muted); font-size: 13px; }
.project-copy { min-width: 0; }

.project-method {
  grid-column: 2 / -1;
  display: grid;
  grid-template-columns: minmax(250px, 0.75fr) minmax(420px, 1.25fr);
  gap: 22px 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.method-kicker { color: var(--accent); font-family: var(--mono); font-size: 8px; letter-spacing: 0.12em; text-transform: uppercase; }
.method-intro h4 { max-width: 520px; margin: 7px 0 12px; font-size: 19px; line-height: 1.18; }
.method-intro p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.memory-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; margin: 0; }
.memory-list > div { padding: 12px 0 13px; border-top: 1px solid var(--line); }
.memory-list dt { color: var(--ink); font-size: 11px; font-weight: 650; }
.memory-list dd { margin: 4px 0 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.method-outcome { grid-column: 1 / -1; margin: 0; padding: 13px 0 0 16px; border-top: 1px solid var(--line); border-left: 2px solid var(--accent); color: var(--ink); font-size: 11px; line-height: 1.6; }
.vln-method { grid-column: auto; grid-template-columns: 1fr; gap: 8px; margin-top: 12px; padding-top: 12px; }
.vln-method .method-kicker { display: none; }
.vln-method .method-intro h4 { margin: 0 0 7px; font-size: 18px; }
.vln-method .method-intro p { font-size: 11px; line-height: 1.5; }
.vln-method .memory-list { grid-template-columns: repeat(4, 1fr); gap: 0 12px; }
.vln-method .memory-list > div { padding: 8px 0 9px; }
.vln-method .memory-list dd { margin-top: 3px; line-height: 1.4; }
.ant-method { grid-template-columns: minmax(270px, 0.72fr) minmax(430px, 1.28fr); }
.audit-pipeline { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; margin: 0; padding: 0; list-style: none; counter-reset: none; }
.audit-pipeline li { display: grid; grid-template-columns: 30px 1fr; gap: 10px; padding: 12px 0 13px; border-top: 1px solid var(--line); }
.audit-pipeline li > span { color: var(--accent); font-family: var(--mono); font-size: 8px; letter-spacing: 0.08em; }
.audit-pipeline strong { display: block; font-size: 11px; }
.audit-pipeline small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; line-height: 1.5; }
.project-scope { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 24px; margin: 0; }
.project-scope > div { padding: 13px 0; border-top: 1px solid var(--line); }
.project-scope dt { font-size: 11px; font-weight: 650; }
.project-scope dd { margin: 5px 0 0; color: var(--muted); font-size: 10px; line-height: 1.55; }
.framework-figure { align-self: start; margin: 0; padding: 18px; border: 1px solid var(--line); background: var(--bg); }
.figure-link { display: block; overflow: hidden; border: 1px solid var(--line); background: white; }
.figure-link:hover { text-decoration: none; }
.figure-link img { width: 100%; height: auto; display: block; transition: transform 240ms ease; }
.figure-link:hover img { transform: scale(1.015); }
.framework-track { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: stretch; gap: 7px; }
.framework-track > div { min-height: 72px; display: flex; flex-direction: column; justify-content: space-between; padding: 9px; border: 1px solid var(--line); background: var(--surface); }
.framework-track b { color: var(--accent); font-family: var(--mono); font-size: 8px; font-weight: 500; }
.framework-track span { font-size: 9px; line-height: 1.25; }
.framework-track i { align-self: center; color: var(--accent); font-style: normal; font-size: 12px; }
.framework-figure figcaption { display: flex; justify-content: space-between; gap: 14px; margin-top: 11px; color: var(--muted); font-family: var(--mono); font-size: 7px; letter-spacing: 0.06em; text-transform: uppercase; }
.framework-figure figcaption a { white-space: nowrap; }

.publication {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 30px;
  padding: 28px 24px 32px;
}
.paper-visual {
  min-height: 178px;
  display: grid;
  grid-template-columns: 54px 1fr 54px;
  align-items: center;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--bg);
}
.publication + .publication { border-top: 1px solid var(--line); }
.paper-image { display: block; min-height: 0; padding: 0; overflow: hidden; background: white; }
.paper-image:hover { text-decoration: none; }
.paper-image img { width: 100%; height: 100%; display: block; object-fit: contain; transition: transform 240ms ease; }
.paper-image:hover img { transform: scale(1.018); }
.model-node {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  box-shadow: 0 0 0 7px var(--accent-soft);
}
.model-node.small { color: var(--accent); background: var(--surface); border: 1px solid var(--accent); }
.model-flow { display: flex; flex-direction: column; gap: 11px; }
.model-flow span {
  position: relative;
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 7px;
  text-align: center;
}
.model-flow span::before,
.model-flow span::after { content: ""; position: absolute; top: 50%; width: 18%; height: 1px; background: var(--accent); }
.model-flow span::before { left: 0; }
.model-flow span::after { right: 0; }
.venue {
  width: fit-content;
  margin-bottom: 8px;
  padding: 2px 8px;
  color: var(--accent);
  border: 1px solid var(--accent);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.paper-copy h3 { max-width: 820px; margin: 0 0 10px; font-size: clamp(19px, 2vw, 25px); line-height: 1.28; }
.authors { margin: 0 0 10px; font-size: 13px; }
.paper-note { max-width: 760px; margin: 0 0 15px; color: var(--muted); font-size: 13px; }
.paper-links { display: flex; flex-wrap: wrap; gap: 16px; }
.paper-links a { font-family: var(--mono); font-size: 10px; }

.interest-list { display: grid; grid-template-columns: repeat(3, 1fr); }
.interest-list article { min-height: 180px; padding: 24px; border-right: 1px solid var(--line); }
.interest-list article:last-child { border-right: 0; }
.interest-list article > span { color: var(--accent); font-family: var(--mono); font-size: 9px; }
.interest-list h3 { margin: 26px 0 9px; color: var(--muted); font-size: 17px; font-weight: 500; }
.interest-list p { margin: 0; color: var(--muted); font-size: 13px; }
.current-interest { position: relative; background: var(--accent-soft); }
.current-interest h3 { color: var(--ink); font-size: 19px; font-weight: 750; }
.current-interest::after { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 2px; background: var(--accent); }

.site-footer { border-top: 1px solid var(--line); background: var(--surface); }
.site-footer .page-shell {
  min-height: 78px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.site-footer a { justify-self: end; }

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 550ms ease, transform 550ms ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .vln-method .memory-list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 980px) {
  .profile-grid { grid-template-columns: 150px 1fr; }
  .globe-wrap {
    position: absolute;
    right: -70px;
    bottom: -80px;
    width: 300px;
    opacity: 0.18;
  }
  .biography { padding-right: 20px; }
  .publication { grid-template-columns: 250px 1fr; }
  .project-item,
  .project-item.vln-project { grid-template-columns: 160px 1fr; }
  .project-item.ongoing { grid-template-columns: 160px 1fr; }
  .project-item .framework-figure { grid-column: 2; }
  .project-method { grid-column: 2; grid-template-columns: 1fr; }
  .vln-method { grid-column: auto; }
  .ant-method { grid-template-columns: 1fr; }
  .project-scope { grid-column: 1; }
  .method-outcome { grid-column: 1; }
}

@media (max-width: 720px) {
  :root { --nav-height: 62px; }
  body { font-size: 15px; line-height: 1.7; }
  .page-shell,
  .nav-shell { width: min(calc(100% - 20px), var(--page)); }
  .nav-shell { gap: 8px; }
  .brand { min-width: 0; gap: 8px; }
  .brand-seal { width: 32px; height: 32px; -webkit-mask-size: auto 32px; mask-size: auto 32px; }
  .brand strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
  .brand small { display: none; }
  .desktop-nav { display: none; }
  .menu-toggle { display: block; }
  .header-actions { gap: 5px; }
  .theme-toggle,
  .language-toggle,
  .menu-toggle { min-width: 36px; min-height: 36px; }
  .menu-toggle { padding-inline: 9px; }
  .mobile-nav {
    position: fixed;
    inset: var(--nav-height) 0 0;
    z-index: 19;
    flex-direction: column;
    gap: 8px;
    padding: 30px 22px;
    background: var(--surface);
  }
  .mobile-nav:not([hidden]) { display: flex; }
  .mobile-nav a {
    display: flex;
    align-items: center;
    min-height: 56px;
    padding: 0 4px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-size: clamp(24px, 8vw, 32px);
    font-weight: 650;
    letter-spacing: -0.04em;
  }
  main { padding: 4px 0 56px; }
  .profile-section,
  .news-section,
  .publications-section,
  .research-section,
  .education-section,
  .experience-section,
  .projects-section { margin-top: 10px; }
  .section-heading {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
    padding: 14px 16px;
  }
  .section-heading h1,
  .section-heading h2 { font-size: 16px; line-height: 1.35; }
  .section-heading p { font-size: 11px; }
  .profile-grid {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 26px 18px 30px;
    overflow: visible;
  }
  .identity {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .portrait { width: 136px; margin: 0 auto 14px; }
  .identity h2 { font-size: 22px; }
  .identity p { font-size: 12px; line-height: 1.55; }
  .social-links {
    width: min(100%, 330px);
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 16px;
  }
  .social-links a {
    min-height: 42px;
    display: grid;
    place-items: center;
    padding: 8px 4px;
    border: 1px solid var(--line);
    background: var(--bg);
    font-size: 9px;
  }
  .biography { padding-right: 0; font-size: 15px; line-height: 1.72; }
  .biography p { margin-bottom: 16px; }
  .biography .lead { font-size: 18px; line-height: 1.6; }
  .globe-wrap {
    position: relative;
    right: auto;
    bottom: auto;
    width: min(100%, 310px);
    margin: -4px auto 0;
    opacity: 1;
  }
  .globe-caption { right: 8px; left: 8px; font-size: 8px; }
  .news-list { padding: 0 16px; }
  .news-list article { grid-template-columns: 72px minmax(0, 1fr); gap: 12px; padding: 17px 0; }
  .news-list time { font-size: 10px; }
  .news-list p { font-size: 14px; line-height: 1.65; }
  .timeline-list { padding: 0 18px; }
  .timeline-item { grid-template-columns: 1fr; gap: 9px; padding: 22px 0 22px 18px; }
  .timeline-item time { font-size: 10px; }
  .timeline-item h3 { margin-top: 0; font-size: 17px; line-height: 1.35; }
  .timeline-item p { font-size: 13px; line-height: 1.6; }
  .experience-copy { grid-template-columns: 44px minmax(0, 1fr); gap: 13px; }
  .company-logo { width: 44px; height: 44px; }
  .project-item,
  .project-item.vln-project,
  .project-item.ongoing { grid-template-columns: 1fr; gap: 20px; padding: 24px 18px; }
  .project-meta { flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; }
  .project-meta time { font-size: 10px; }
  .project-badge { min-height: 28px; display: inline-flex; align-items: center; padding: 4px 8px; font-size: 8px; }
  .project-copy h3 { margin: 0 0 10px; font-size: 22px; line-height: 1.28; }
  .project-copy p { font-size: 14px; line-height: 1.65; }
  .project-item .framework-figure { grid-column: 1; }
  .project-method { grid-column: 1; grid-template-columns: 1fr; gap: 18px; padding-top: 20px; }
  .vln-method { grid-column: auto; }
  .method-intro h4,
  .vln-method .method-intro h4 { font-size: 19px; line-height: 1.32; }
  .method-intro p,
  .vln-method .method-intro p { font-size: 13px; line-height: 1.65; }
  .memory-list,
  .vln-method .memory-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }
  .memory-list dt,
  .vln-method .memory-list dt { font-size: 12px; }
  .memory-list dd,
  .vln-method .memory-list dd { font-size: 11px; line-height: 1.55; }
  .audit-pipeline,
  .project-scope { grid-template-columns: 1fr; }
  .audit-pipeline li { grid-template-columns: 34px 1fr; padding: 14px 0; }
  .audit-pipeline strong,
  .project-scope dt { font-size: 12px; }
  .audit-pipeline small,
  .project-scope dd { font-size: 11px; line-height: 1.6; }
  .framework-figure { padding: 10px; }
  .framework-figure figcaption { flex-wrap: wrap; font-size: 8px; line-height: 1.5; }
  .framework-track { grid-template-columns: 1fr 1fr; gap: 7px; }
  .framework-track i { display: none; }
  .publication { grid-template-columns: 1fr; gap: 20px; padding: 18px; }
  .paper-visual { min-height: 0; }
  .paper-image img { width: 100%; height: auto; }
  .venue { margin-bottom: 10px; font-size: 9px; }
  .paper-copy h3 { margin-bottom: 12px; font-size: 20px; line-height: 1.38; }
  .authors,
  .paper-note { font-size: 13px; line-height: 1.6; }
  .paper-links { gap: 10px 16px; }
  .paper-links a { min-height: 32px; display: inline-flex; align-items: center; font-size: 10px; }
  .interest-list { grid-template-columns: 1fr; }
  .interest-list article { min-height: 0; padding: 22px 18px; border-right: 0; border-bottom: 1px solid var(--line); }
  .interest-list article:last-child { border-bottom: 0; }
  .interest-list h3 { margin-top: 12px; }
  .interest-list p { font-size: 13px; line-height: 1.6; }
  .site-footer .page-shell { grid-template-columns: 1fr auto; }
  .site-footer .page-shell > :nth-child(2) { display: none; }
}

@media (max-width: 430px) {
  .brand strong { max-width: 104px; }
  .menu-toggle { font-size: 9px; }
  .news-list article { grid-template-columns: 1fr; gap: 5px; }
  .project-meta { align-items: flex-start; flex-direction: column; }
  .memory-list,
  .vln-method .memory-list { grid-template-columns: 1fr; }
  .framework-figure { margin-inline: -4px; }
  .paper-copy h3 { font-size: 19px; overflow-wrap: anywhere; }
  .site-footer .page-shell { min-height: 70px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}