/* Shared, dependency-free styles. Palette tokens also scope the fixed previews. */
:root {
  color-scheme: light;
  --color-button-text: #ffffff;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --font-heading: Georgia, "Times New Roman", "Noto Serif", serif;
  --font-brand: Baskerville, "Baskerville Old Face", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --page-width: 1160px;
  --radius: 16px;
  --shadow: 0 12px 36px rgb(24 50 71 / 5%);
}
:root[data-theme="academic"], [data-palette="academic"] {
  --color-bg: #f7f9fc;
  --color-surface: #ffffff;
  --color-header: #ffffff;
  --color-ink: #183247;
  --color-text: #2e4051;
  --color-muted: #5b6b78;
  --color-accent: #086d75;
  --color-accent-hover: #04525a;
  --color-accent-soft: #eaf4f3;
  --color-border: #dce5ec;
  --color-border-strong: #788c9b;
  --color-subtle: #edf3f7;
  --color-highlight: #8dbdbd;
  --color-badge-bg: #eaf4f3;
  --color-number: #086d75;
  --color-focus: #995500;
  --color-selection: #d4ebe8;
}
:root, :root[data-theme="github"], [data-palette="github"] {
  --color-bg: #f6f8fa;
  --color-surface: #ffffff;
  --color-header: #ffffff;
  --color-ink: #1f2328;
  --color-text: #30363d;
  --color-muted: #59636e;
  --color-accent: #0969da;
  --color-accent-hover: #0550ae;
  --color-accent-soft: #eef5ff;
  --color-border: #d1d9e0;
  --color-border-strong: #818b98;
  --color-subtle: #f0f3f6;
  --color-highlight: #8cadd5;
  --color-badge-bg: #eef5ff;
  --color-number: #0969da;
  --color-focus: #0969da;
  --color-selection: #c8e1ff;
}
:root[data-theme="teal-gold"], [data-palette="teal-gold"] {
  --color-bg: #f8faf8;
  --color-surface: #ffffff;
  --color-header: #fffefb;
  --color-ink: #193b3c;
  --color-text: #2f4141;
  --color-muted: #566e6c;
  --color-accent: #086d75;
  --color-accent-hover: #04545b;
  --color-accent-soft: #e8f3f0;
  --color-border: #d9e3db;
  --color-border-strong: #738f87;
  --color-subtle: #f0f4ed;
  --color-highlight: #d3ad52;
  --color-badge-bg: #fff3cf;
  --color-number: #826018;
  --color-focus: #8d651c;
  --color-selection: #d9ece6;
}
:root[data-theme="slate-blue"], [data-palette="slate-blue"] {
  --color-bg: #f2f4f7;
  --color-surface: #ffffff;
  --color-header: #ffffff;
  --color-ink: #263750;
  --color-text: #354253;
  --color-muted: #5b6779;
  --color-accent: #425f91;
  --color-accent-hover: #304975;
  --color-accent-soft: #eaf0f8;
  --color-border: #d8e0eb;
  --color-border-strong: #8191ab;
  --color-subtle: #edf1f6;
  --color-highlight: #91a4c2;
  --color-badge-bg: #eaf0f8;
  --color-number: #425f91;
  --color-focus: #425f91;
  --color-selection: #dbe5f4;
}
:root[data-theme="ivory-navy"], [data-palette="ivory-navy"] {
  --color-bg: #faf7f0;
  --color-surface: #fffdf8;
  --color-header: #fffdf8;
  --color-ink: #243b53;
  --color-text: #3b4250;
  --color-muted: #67685f;
  --color-accent: #254767;
  --color-accent-hover: #173650;
  --color-accent-soft: #edf0ed;
  --color-border: #e2dccc;
  --color-border-strong: #958b73;
  --color-subtle: #f3efe4;
  --color-highlight: #bd994b;
  --color-badge-bg: #f6ecd1;
  --color-number: #7e6227;
  --color-focus: #7e6227;
  --color-selection: #e5dec9;
}
:root[data-theme="graphite-lilac"], [data-palette="graphite-lilac"] {
  --color-bg: #f5f5f8;
  --color-surface: #ffffff;
  --color-header: #ffffff;
  --color-ink: #333344;
  --color-text: #3e3e4a;
  --color-muted: #666674;
  --color-accent: #6553a2;
  --color-accent-hover: #4d3b85;
  --color-accent-soft: #f0edf8;
  --color-border: #e0ddea;
  --color-border-strong: #9389ab;
  --color-subtle: #f0eff5;
  --color-highlight: #a99ac7;
  --color-badge-bg: #f0edf8;
  --color-number: #6553a2;
  --color-focus: #6553a2;
  --color-selection: #e1d9f2;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 110px; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body, button, input, select, textarea { font-family: var(--font-body); }
button, input, select, textarea { font-size: inherit; }
button, select { touch-action: manipulation; }
button { cursor: pointer; }
img, svg, video { max-width: 100%; }
img { display: block; height: auto; }
figure { margin: 0; }
a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
  overflow-wrap: anywhere;
}
a:hover { color: var(--color-accent-hover); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }
::selection { color: var(--color-ink); background: var(--color-selection); }
[hidden] { display: none !important; }
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .75em;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-wrap: balance;
}
h1 { font-size: clamp(2.15rem, 4.2vw, 3.45rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.65rem, 2.6vw, 2.1rem); letter-spacing: -.02em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
ul, ol { padding-left: 1.4em; }
li + li { margin-top: .35em; }
hr { margin: 2rem 0; border: 0; border-top: 1px solid var(--color-border); }
small { font-size: .85em; }
address { font-style: normal; }

.page-container { width: min(var(--page-width), calc(100% - 64px)); margin-inline: auto; }
.site-main { min-height: 60vh; padding-block: 3.5rem 4.5rem; }
.site-main > .page-container > section + section,
.site-main.page-container > section + section { margin-top: 4rem; }
.site-main section { scroll-margin-top: 1.5rem; }
.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  background: var(--color-header);
  border-bottom: 1px solid var(--color-border);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.site-header > .page-container,
.site-header > .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 90px;
  padding-block: 1rem;
}
.brand { display: inline-flex; flex-direction: column; gap: .2rem; color: var(--color-ink); text-decoration: none; flex-shrink: 0; }
.brand:hover { color: var(--color-ink); }
.brand-name, .brand > strong, .brand > b { font-family: var(--font-brand); font-size: 1.75rem; font-weight: 500; line-height: 1.2; letter-spacing: .012em; }
.brand-role, .brand > small { color: var(--color-muted); font-size: .78rem; font-weight: 400; letter-spacing: .01em; }
.nav-links { display: flex; align-items: center; flex-wrap: wrap; gap: .25rem; margin: 0; padding: 0; list-style: none; }
.nav-links li + li { margin: 0; }
.nav-links a {
  display: block;
  padding: .55rem .75rem;
  border-radius: 8px;
  color: var(--color-muted);
  font-size: .9rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--color-ink); background: var(--color-subtle); }
.nav-links a[aria-current="page"] { color: var(--color-accent-hover); background: var(--color-accent-soft); }
.nav-toggle { display: none; }
.site-footer { border-top: 1px solid var(--color-border); color: var(--color-muted); background: var(--color-surface); font-size: .85rem; }
.site-footer > .page-container { padding-block: 1.6rem; }
.site-footer p { margin: 0; }
.site-footer a { color: inherit; }
.footer-inner { display: flex; justify-content: space-between; gap: 1rem 2rem; flex-wrap: wrap; }
.footer-links { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; }

.eyebrow { display: block; margin-bottom: .9rem; color: var(--color-accent); font-family: var(--font-body); font-size: .76rem; font-weight: 700; line-height: 1.5; letter-spacing: .12em; text-transform: uppercase; }
.lead { color: var(--color-muted); font-size: 1.15rem; line-height: 1.8; }
.hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(220px, .8fr); align-items: center; gap: 3.5rem; padding-block: .5rem 1.5rem; }
.hero-copy { min-width: 0; max-width: 680px; }
.hero-copy h1 { margin-bottom: .5em; }
.hero-copy .lead { margin-bottom: 1.1rem; }
.name-zh { display: block; margin-top: .5rem; color: var(--color-muted); font-family: var(--font-body); font-size: .42em; font-weight: 500; letter-spacing: .12em; }
.hero-role { margin-bottom: .35rem; color: var(--color-ink); font-size: 1.08rem; font-weight: 650; }
.hero-affiliation { color: var(--color-muted); font-size: .94rem; }
.hero-links, .profile-links { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; font-size: .88rem; }
.hero-links { margin-top: 1.2rem; }
.hero-portrait { justify-self: end; width: 100%; max-width: 290px; padding: 10px; border: 1px solid var(--color-border); border-radius: 24px; background: var(--color-subtle); box-shadow: var(--shadow); }
.hero-portrait img { width: 100%; height: auto; border-radius: 16px; }
.hero-portrait figcaption, .hero-portrait > p { margin: .6rem .25rem .2rem; color: var(--color-muted); font-size: .78rem; text-align: center; }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  min-height: 44px;
  padding: .65rem 1.1rem;
  border: 1px solid var(--color-accent);
  border-radius: 9px;
  color: var(--color-button-text);
  background: var(--color-accent);
  font-size: .9rem;
  font-weight: 650;
  line-height: 1.45;
  text-align: center;
  text-decoration: none;
}
.button:hover { color: var(--color-button-text); background: var(--color-accent-hover); border-color: var(--color-accent-hover); }
.button-secondary { color: var(--color-ink); background: var(--color-surface); border-color: var(--color-border-strong); }
.button-secondary:hover { color: var(--color-ink); background: var(--color-subtle); border-color: var(--color-border-strong); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.4rem; }
.section-heading h2 { margin: 0; }
.section-heading > a { flex-shrink: 0; font-size: .88rem; font-weight: 600; }
.section-heading p { max-width: 44rem; color: var(--color-muted); }
.research-grid, .selected-grid, .post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; }
.research-card, .paper-card, .post-card, .panel { min-width: 0; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); }
.research-card { padding: 1.5rem; border-top: 3px solid var(--color-highlight); }
.research-number { display: block; margin-bottom: .75rem; color: var(--color-number); font-size: .78rem; font-weight: 700; letter-spacing: .08em; }
.research-card h3 { margin-bottom: .65rem; }
.research-card p { color: var(--color-muted); font-size: .93rem; }
.research-card .eyebrow { margin-bottom: .6rem; }
.paper-card { display: flex; flex-direction: column; overflow: hidden; }
.paper-card > figure { display: flex; align-items: center; justify-content: center; aspect-ratio: 16 / 10; padding: .8rem; background: var(--color-subtle); border-bottom: 1px solid var(--color-border); }
.paper-card > figure img { width: 100%; height: 100%; object-fit: contain; }
.paper-placeholder { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: .7rem; aspect-ratio: 16 / 10; padding: 1.6rem; border-bottom: 1px solid var(--color-border); color: var(--color-ink); background: linear-gradient(135deg, var(--color-accent-soft), var(--color-subtle)); }
.paper-placeholder > span { color: var(--color-accent); font-size: .8rem; font-weight: 700; letter-spacing: .1em; }
.paper-placeholder > strong { max-width: 13em; font-family: var(--font-heading); font-size: 1.75rem; font-weight: 400; line-height: 1.3; }
.paper-body { display: flex; flex: 1; flex-direction: column; padding: 1.35rem; }
.paper-card h3 { margin-bottom: .65rem; font-size: 1.15rem; line-height: 1.4; }
.paper-card h3 a, .post-card h2 a, .post-card h3 a { color: var(--color-ink); text-decoration: none; }
.paper-card h3 a:hover, .post-card h2 a:hover, .post-card h3 a:hover { color: var(--color-accent); text-decoration: underline; }
.paper-card p { color: var(--color-muted); font-size: .9rem; }
.paper-card .paper-contribution { padding-top: .8rem; border-top: 1px solid var(--color-border); color: var(--color-text); font-size: .86rem; }
.paper-venue { color: var(--color-accent) !important; font-size: .82rem !important; font-weight: 650; }
.paper-links { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; margin-top: .8rem; font-size: .85rem; font-weight: 600; }
.paper-body > .paper-links:last-child { margin-top: auto; padding-top: .8rem; }
.paper-links a { display: inline-block; padding-block: .15rem; }
.news-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--color-border); }
.news-item { display: grid; grid-template-columns: 108px minmax(0, 1fr); gap: 1.25rem; padding-block: 1.2rem; border-bottom: 1px solid var(--color-border); }
.news-list .news-item + .news-item { margin-top: 0; }
.news-item time { padding-top: .1rem; color: var(--color-muted); font-size: .83rem; font-variant-numeric: tabular-nums; }
.news-item p { margin-bottom: .4rem; }
.news-item h3 { margin-bottom: .4rem; font-size: 1.12rem; }
.resource-callout { margin-top: 3rem; padding: 1.8rem 2rem; background: var(--color-accent-soft); border: 1px solid var(--color-border); border-radius: var(--radius); }
.resource-callout h2, .resource-callout h3 { margin-bottom: .5rem; }
.resource-callout .button-row { margin-top: 1rem; }
.resource-callout > .button { margin-top: 1.2rem; }

.page-intro { max-width: 800px; margin-bottom: 2.4rem; }
.page-intro h1 { margin-bottom: .45em; }
.page-intro .lead { margin-bottom: .75rem; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr); gap: 1.5rem; align-items: start; }
.site-main > .content-grid + .content-grid, .site-main > .content-grid + .panel { margin-top: 1.5rem; }
.content-grid > * { min-width: 0; }
.panel { padding: 1.6rem; }
.panel + .panel { margin-top: 1.5rem; }
.content-grid > .panel + .panel { margin-top: 0; }
.panel h2 { margin-bottom: 1rem; font-size: 1.5rem; }
.panel h3 { margin-top: 1.3rem; }
.panel h3:first-child { margin-top: 0; }
.panel ul:last-child { margin-bottom: 0; }
.timeline { padding-left: 1.4rem; margin: 0 0 0 .35rem; border-left: 2px solid var(--color-border); list-style: none; }
.timeline-item { position: relative; padding: 0 0 1.6rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { position: absolute; top: .4rem; left: calc(-1.4rem - 6px); width: 10px; height: 10px; border: 2px solid var(--color-surface); border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 0 1px var(--color-highlight); content: ""; }
.timeline-item h3 { margin: 0 0 .35rem; font-size: 1.08rem; }
.timeline-item time, .timeline-item .period, .timeline-item .date { display: block; margin-bottom: .3rem; color: var(--color-muted); font-size: .84rem; }
.timeline-item p { margin-bottom: .35rem; font-size: .94rem; }
.publication-tools { display: none; flex-wrap: wrap; gap: 1rem; align-items: end; margin-bottom: 1rem; padding: 1.25rem; border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface); }
.publication-filters-ready .publication-tools { display: flex; }
.publication-tools > div, .publication-tools > label { flex: 1 1 180px; min-width: 0; }
.publication-tools > div:first-child, .publication-tools > label:first-child { flex-grow: 3; }
.publication-tools label { display: block; margin-bottom: .35rem; color: var(--color-ink); font-size: .85rem; font-weight: 600; }
.publication-tools input, .publication-tools select { width: 100%; min-width: 0; min-height: 44px; padding: .6rem .75rem; border: 1px solid var(--color-border-strong); border-radius: 8px; color: var(--color-text); background: var(--color-surface); line-height: 1.4; }
.publication-tools input::placeholder { color: var(--color-muted); opacity: 1; }
.publication-tools select { padding-right: 1.8rem; }
#publication-count { margin: .8rem 0 1.5rem; color: var(--color-muted); font-size: .85rem; }
.publication-tools #publication-count { flex: 0 0 100%; margin: 0; }
#publication-empty { padding: 1.5rem; border: 1px dashed var(--color-border-strong); border-radius: 12px; color: var(--color-muted); background: var(--color-surface); }
.publication-group { margin-top: 2.3rem; }
.publication-group > h2 { padding-bottom: .65rem; border-bottom: 1px solid var(--color-border); font-size: 1.5rem; }
.publication-group > ol, .publication-group > ul { margin: 0; padding: 0; list-style: none; }
.publication-item { min-width: 0; padding: 1.2rem 0; border-bottom: 1px solid var(--color-border); overflow-wrap: anywhere; }
.publication-item + .publication-item { margin-top: 0; }
.publication-title { display: block; margin: 0 0 .5rem; color: var(--color-ink); font-family: var(--font-heading); font-size: 1.15rem; font-weight: 700; line-height: 1.45; }
.publication-title a { color: inherit; text-decoration: none; }
.publication-title a:hover { color: var(--color-accent); text-decoration: underline; }
.publication-authors { margin-bottom: .35rem; color: var(--color-muted); font-size: .94rem; }
.publication-citation { margin-bottom: .35rem; font-size: .93rem; }
.publication-item .paper-links { margin-top: .5rem; }
.status-badge, .tag { display: inline-block; padding: .12rem .5rem; border-radius: 5px; color: var(--color-accent-hover); background: var(--color-badge-bg); font-family: var(--font-body); font-size: .73rem; font-weight: 600; line-height: 1.6; vertical-align: middle; }
.publication-status { margin-bottom: .4rem; }
.publication-status:empty { display: none; }
.post-card { display: flex; flex-direction: column; overflow: hidden; }
.post-card-body { display: flex; flex: 1; flex-direction: column; min-width: 0; padding: 1.5rem; }
.post-card h2, .post-card h3 { margin: .65rem 0 .75rem; font-size: 1.25rem; line-height: 1.4; }
.post-card p { color: var(--color-muted); font-size: .94rem; }
.post-card .paper-links:last-child, .post-card > a:last-child, .post-card-body > a:last-child { margin-top: auto; padding-top: .8rem; }
.post-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: .3rem .75rem; color: var(--color-muted); font-size: .8rem; }
.post-meta time { font-variant-numeric: tabular-nums; }
.post-meta .tag { padding: .1rem .5rem; border-radius: 5px; color: var(--color-accent-hover); background: var(--color-badge-bg); }
.notice { padding: 1rem 1.2rem; margin-block: 1.5rem; border: 1px solid var(--color-border); border-left: 3px solid var(--color-accent); border-radius: 8px; color: var(--color-text); background: var(--color-accent-soft); font-size: .94rem; }
.notice p:last-child { margin-bottom: 0; }
.back-link { display: inline-block; margin-bottom: 1.4rem; font-size: .88rem; }

.prose { max-width: 780px; color: var(--color-text); font-size: 1.025rem; line-height: 1.85; overflow-wrap: anywhere; }
.prose > * { max-width: 100%; }
.prose h1 { font-size: 2.25rem; }
.prose h2 { margin-top: 2.2rem; font-size: 1.7rem; }
.prose h3 { margin-top: 1.8rem; font-size: 1.3rem; }
.prose h4 { margin-top: 1.5rem; font-size: 1.1rem; }
.prose p, .prose ul, .prose ol { margin-bottom: 1.2rem; }
.prose li > p { margin-bottom: .5rem; }
.prose img { margin-block: 1.5rem; border-radius: 10px; }
.prose figure { margin-block: 1.8rem; }
.prose figcaption { margin-top: .65rem; color: var(--color-muted); font-size: .86rem; text-align: center; }
.prose blockquote { margin: 1.5rem 0; padding: .5rem 1.2rem; border-left: 3px solid var(--color-highlight); color: var(--color-muted); }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose math { max-width: 100%; font-size: 1.05em; }
.prose math[display="block"] { display: block; padding-block: .6rem; margin-block: 1.2rem; overflow-x: auto; overflow-y: hidden; }
.junction-type { color: #1456b8; }
code, pre, kbd, samp { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; }
code { padding: .12em .35em; border-radius: 4px; color: var(--color-accent); background: var(--color-subtle); font-size: .87em; overflow-wrap: anywhere; }
pre { max-width: 100%; padding: 1.2rem 1.3rem; margin-block: 1.5rem; overflow-x: auto; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-subtle); font-size: .85rem; line-height: 1.7; tab-size: 4; }
pre code { padding: 0; border-radius: 0; color: var(--color-text); background: transparent; font-size: inherit; overflow-wrap: normal; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: .7rem .8rem; border: 1px solid var(--color-border); text-align: left; vertical-align: top; overflow-wrap: anywhere; }
th { color: var(--color-ink); background: var(--color-subtle); font-weight: 650; }
.table-wrap { max-width: 100%; margin-block: 1.5rem; overflow-x: auto; }
.table-wrap table { min-width: 500px; }
.article-table { max-width: 100%; overflow-x: auto; overscroll-behavior-x: contain; }
.article-table table { min-width: 640px; }
.prose > table { display: block; max-width: 100%; margin-block: 1.5rem; overflow-x: auto; }
.article-toc { max-width: 780px; margin-bottom: 2rem; padding: 1.2rem 1.5rem; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-surface); font-size: .92rem; }
.article-toc h2, .article-toc h3 { margin: 0 0 .7rem; font-size: 1.12rem; }
.article-toc ul, .article-toc ol { margin-bottom: 0; }
.article-toc a { text-decoration: none; }
.article-toc a:hover { text-decoration: underline; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 10px; left: 12px; padding: .65rem 1rem; transform: translateY(-180%); border-radius: 6px; color: var(--color-button-text); background: var(--color-ink); font-weight: 600; text-decoration: none; }
.skip-link:focus { transform: translateY(0); color: var(--color-button-text); }

.home-main { padding-top: 0; }
.home-banner { position: relative; width: 100%; height: clamp(200px, 20vw, 232px); margin: 0; overflow: hidden; border-bottom: 1px solid var(--color-border); border-radius: 0 0 16px 16px; background: var(--color-subtle); }
.home-banner img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.home-main > .home-banner + .home-overview { margin-top: 0; }
.banner-slides, .banner-slide { width: 100%; height: 100%; margin: 0; }
.home-overview { max-width: 1000px; padding-block: 2.2rem .5rem; }
.home-overview h1 { margin-bottom: .35em; }
.home-overview .name-zh { display: inline-block; margin: 0 0 0 .7rem; font-size: .36em; vertical-align: middle; }
.home-role { margin-bottom: .3rem; color: var(--color-ink); font-size: 1.1rem; font-weight: 650; }
.home-affiliation { margin-bottom: .9rem; color: var(--color-muted); font-size: .96rem; }
.home-summary { max-width: 74ch; font-size: 1.04rem; line-height: 1.8; }
.interest-tags { display: flex; flex-wrap: wrap; gap: .45rem .6rem; margin: 1.1rem 0 0; padding: 0; list-style: none; }
.interest-tags li { margin: 0; padding: .22rem .7rem; border: 1px solid var(--color-border); border-radius: 999px; color: var(--color-ink); background: var(--color-surface); font-size: .82rem; font-weight: 500; }
.about-profile { display: grid; grid-template-columns: minmax(0, 1fr) 180px; align-items: start; gap: 2.5rem; margin-bottom: 2.5rem; }
.about-profile-copy { min-width: 0; }
.about-profile-copy .page-intro { margin-bottom: 1.5rem; }
.about-portrait { justify-self: end; width: 100%; max-width: 180px; margin: 0; padding: 7px; border: 1px solid var(--color-border); border-radius: 15px; background: var(--color-subtle); }
.about-portrait img { width: 100%; height: auto; border-radius: 9px; }
.about-portrait figcaption { margin: .55rem .15rem .15rem; color: var(--color-muted); font-size: .75rem; text-align: center; }
.profile-card { max-width: 940px; margin-inline: auto; padding: 1.2rem 2rem; border: 1px solid var(--color-border); border-radius: 24px; color: var(--color-text); background: var(--color-subtle); text-align: center; }
.profile-avatar { width: 125px; height: 175px; margin: 0 auto .6rem; border: 5px solid var(--color-surface); border-radius: 50%; object-fit: cover; object-position: center; box-shadow: 0 6px 20px rgb(25 40 55 / 14%); }
.profile-social { display: flex; justify-content: center; flex-wrap: wrap; gap: .7rem; margin: 0 0 .5rem; padding: 0; list-style: none; }
.profile-social li { margin: 0; }
.profile-social a { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--color-border-strong); border-radius: 50%; color: var(--color-ink); background: var(--color-surface); }
.profile-social a:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-accent-soft); }
.profile-social svg, .profile-social img { display: block; width: 21px; height: 21px; fill: currentColor; object-fit: contain; }
.profile-name { margin: 0 0 .5rem; font-family: var(--font-heading); font-size: 3rem; font-weight: 400; line-height: 1.15; letter-spacing: -.025em; }
.profile-position { margin-bottom: .5rem; color: var(--color-ink); font-family: var(--font-heading); font-size: 1.6rem; font-weight: 700; line-height: 1.5; }
.profile-detail { margin: .3rem 0; font-family: var(--font-heading); font-size: 1.3rem; line-height: 1.65; overflow-wrap: anywhere; }
.profile-detail:last-child { margin-bottom: 0; }
.profile-detail .label { color: var(--color-accent); font-weight: 700; }
.profile-detail a { color: var(--color-text); text-decoration: none; }
.profile-detail a:hover { color: var(--color-accent-hover); text-decoration: underline; }
.profile-divider { padding-inline: .25rem; color: var(--color-muted); }
.profile-biography { max-width: 940px; margin: 2.5rem auto; font-size: 1.02rem; line-height: 1.85; }
@media screen {
  .site-main.page-container > .profile-card + .profile-biography { margin-top: 2rem; }
}
.profile-biography h2 { font-size: 1.65rem; }
.news-list-full .news-item { grid-template-columns: minmax(0, 1fr) 280px; align-items: center; gap: 2rem; min-height: 260px; padding-block: 1.5rem; }
.news-list-home .news-item { grid-template-columns: minmax(0, 1fr) 220px; align-items: center; gap: 1.5rem; min-height: 180px; padding-block: .6rem; }
.news-list-home .news-item.is-imageless { grid-template-columns: 1fr; }
.news-copy { min-width: 0; }
.news-copy time { display: block; margin-bottom: .5rem; }
.news-copy h3 { margin-bottom: .6rem; font-size: 1.18rem; line-height: 1.4; }
.news-media { position: relative; justify-self: end; width: 280px; height: 210px; aspect-ratio: 4 / 3; margin: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-subtle); }
.news-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: center; }
.news-media.image-fit-cover img { object-fit: cover; }
.news-media-empty { position: absolute; inset: 0; width: 100%; height: 100%; background: linear-gradient(135deg, var(--color-subtle), var(--color-bg)); }
.news-list-home .news-media { width: 220px; height: 165px; }
.post-cover { position: relative; flex-shrink: 0; width: 100%; aspect-ratio: 2.35 / 1; margin: 0; overflow: hidden; border-bottom: 1px solid var(--color-border); background: var(--color-subtle); }
.post-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.post-cover-empty { position: absolute; inset: 0; display: block; width: 100%; height: 100%; background: radial-gradient(ellipse at 85% 20%, var(--color-badge-bg), transparent 52%), linear-gradient(135deg, var(--color-accent-soft), var(--color-subtle)); }
.palette-grid, .appearance-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.palette-card { display: flex; flex-direction: column; min-width: 0; padding: 1.25rem; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius); color: var(--color-text); background: var(--color-surface); }
.palette-card:has(.palette-apply[aria-pressed="true"]) { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.palette-card h2, .palette-card h3 { margin-bottom: .6rem; font-size: 1.3rem; }
.palette-card p { color: var(--color-muted); font-size: .9rem; }
.palette-swatches { display: flex; min-height: 60px; margin: -1.25rem -1.25rem 1.2rem; border-bottom: 1px solid var(--color-border); }
.palette-swatches span { flex: 1; min-width: 0; background: var(--swatch, var(--color-accent)); }
.palette-mini { min-height: 9rem; margin-block: 1rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: 9px; color: var(--color-text); background: var(--color-bg); }
.palette-mini::before { display: block; width: 32px; height: 3px; margin-bottom: .75rem; background: var(--color-highlight); content: ""; }
.palette-mini strong, .palette-mini h4 { display: block; margin-bottom: .5rem; color: var(--color-ink); font-family: var(--font-heading); font-size: 1.2rem; line-height: 1.35; }
.palette-mini p { margin-bottom: .6rem; font-size: .85rem; }
.palette-mini a { font-size: .85rem; font-weight: 600; }
.palette-mini-label { display: block; margin-bottom: .4rem; color: var(--color-accent); font-size: .66rem; font-weight: 700; letter-spacing: .1em; }
.palette-mini-action { display: inline-block; padding: .3rem .65rem; border-radius: 5px; color: var(--color-button-text); background: var(--color-accent); font-size: .76rem; font-weight: 600; }
.palette-color-values { font-size: .8rem !important; }
.palette-apply { display: none; align-items: center; justify-content: center; min-height: 44px; margin-top: auto; padding: .6rem 1rem; border: 1px solid var(--color-accent); border-radius: 8px; color: var(--color-button-text); background: var(--color-accent); font-size: .9rem; font-weight: 600; }
.theme-ready .palette-apply { display: inline-flex; }
.palette-apply:hover, .palette-apply[aria-pressed="true"] { border-color: var(--color-accent-hover); background: var(--color-accent-hover); }
.theme-control { display: none; align-items: center; flex-wrap: wrap; gap: .5rem .75rem; color: var(--color-muted); font-size: .85rem; }
.theme-ready .theme-control { display: flex; }
.theme-control label { font-weight: 600; }
#color-theme { max-width: 100%; min-height: 40px; padding: .45rem .7rem; border: 1px solid var(--color-border-strong); border-radius: 7px; color: var(--color-ink); background: var(--color-surface); font-size: .85rem; }
#theme-status { min-height: 1.8em; margin-block: 1rem 1.5rem; color: var(--color-muted); font-size: .92rem; }

@media (max-width: 1050px) {
  .site-header > .page-container, .site-header > .header-inner { gap: 1rem; }
  .brand-name, .brand > strong, .brand > b { font-size: 1.5rem; }
  .brand-role, .brand > small { font-size: .73rem; }
  .nav-links a { padding-inline: .5rem; font-size: .85rem; }
  .hero { gap: 2rem; }
  .research-grid, .selected-grid, .post-grid { gap: 1rem; }
  .research-card, .paper-body, .post-card-body { padding: 1.2rem; }
}

@media (max-width: 800px) {
  html { scroll-padding-top: 90px; }
  .page-container { width: calc(100% - 40px); }
  .site-main { padding-block: 2.4rem 3rem; }
  .site-main > .page-container > section + section,
  .site-main.page-container > section + section { margin-top: 3rem; }
  .site-header > .page-container, .site-header > .header-inner { flex-wrap: wrap; min-height: 76px; padding-block: .85rem; gap: 0; }
  .brand { max-width: calc(100% - 76px); }
  .brand-name, .brand > strong, .brand > b { font-size: clamp(1rem, 5vw, 1.4rem); white-space: nowrap; }
  .brand-role, .brand > small { font-size: .72rem; }
  #site-nav { width: 100%; }
  .nav-links { gap: .25rem; padding-top: .8rem; }
  .nav-links a { padding: .65rem .75rem; font-size: .88rem; }
  .js .nav-toggle { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-width: 48px; min-height: 44px; margin-left: auto; padding: .5rem .65rem; border: 1px solid var(--color-border-strong); border-radius: 8px; color: var(--color-ink); background: var(--color-surface); font-size: .85rem; font-weight: 600; line-height: 1.3; }
  .js .nav-toggle:hover, .js .nav-toggle[aria-expanded="true"] { border-color: var(--color-highlight); color: var(--color-accent-hover); background: var(--color-accent-soft); }
  .js .site-header:not(.nav-open) #site-nav { display: none; }
  .js .nav-open #site-nav { display: block; }
  .js .nav-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding-block: .9rem .15rem; }
  .js .nav-links { align-items: stretch; }
  .js .nav-links a { display: flex; align-items: center; justify-content: center; min-height: 44px; height: 100%; text-align: center; white-space: normal; }
  .hero { grid-template-columns: minmax(0, 1fr) 190px; gap: 1.6rem; }
  .hero-portrait { padding: 7px; border-radius: 18px; }
  .hero-portrait img { border-radius: 12px; }
  .hero h1 { font-size: 2.4rem; }
  .lead { font-size: 1.05rem; }
  .research-grid { grid-template-columns: 1fr; }
  .selected-grid, .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .content-grid { grid-template-columns: 1fr; }
  .panel { padding: 1.35rem; }
  .home-main { padding-top: 0; }
  .home-banner { height: 140px; border-radius: 0 0 12px 12px; }
  .home-overview { padding-top: 1.8rem; }
  .about-profile { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-portrait { justify-self: end; }
  .palette-grid, .appearance-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .page-container { width: calc(100% - 36px); }
  .site-main { padding-top: 2rem; }
  h1 { font-size: 2.15rem; }
  h2 { font-size: 1.65rem; }
  .hero { grid-template-columns: 1fr; gap: 1.8rem; padding-top: 0; }
  .hero h1 { font-size: 2.35rem; }
  .hero-portrait { justify-self: start; max-width: 190px; }
  .hero-copy .lead { font-size: 1.04rem; }
  .button-row { gap: .6rem; margin-top: 1.3rem; }
  .button { padding-inline: .9rem; font-size: .86rem; }
  .section-heading { flex-wrap: wrap; align-items: baseline; gap: .5rem; margin-bottom: 1.1rem; }
  .selected-grid, .post-grid { grid-template-columns: 1fr; }
  .paper-card > figure, .paper-placeholder { aspect-ratio: 16 / 9; }
  .research-card, .paper-body, .post-card-body { padding: 1.3rem; }
  .news-item { grid-template-columns: 1fr; gap: .35rem; padding-block: 1rem; }
  .resource-callout { padding: 1.35rem; }
  .page-intro { margin-bottom: 1.8rem; }
  .publication-tools { padding: 1rem; gap: .8rem; }
  .publication-tools > div, .publication-tools > label { flex-basis: 100%; }
  .publication-title { font-size: 1.08rem; }
  .prose { font-size: 1rem; }
  .prose h1 { font-size: 1.85rem; }
  .prose h2 { font-size: 1.5rem; }
  pre { padding: 1rem; font-size: .8rem; }
  th, td { padding: .55rem; }
  .site-footer > .page-container { padding-block: 1.3rem; }
  .home-main { padding-top: 0; }
  .home-overview .name-zh { display: block; margin: .5rem 0 0; font-size: .42em; }
  .home-overview h1 { font-size: 2.35rem; }
  .about-profile { margin-bottom: 2rem; }
  .palette-grid, .appearance-grid { grid-template-columns: 1fr; }
  .profile-card { padding: 1.2rem 1.1rem; border-radius: 18px; }
  .profile-name { font-size: 2.5rem; }
  .profile-position { font-size: 1.15rem; }
  .profile-detail { font-size: 1.1rem; }
  .profile-divider { display: block; height: .3rem; padding: 0; font-size: 0; }
}

@media (max-width: 650px) {
  .news-list-full .news-item, .news-list-home .news-item { grid-template-columns: 1fr; gap: 1rem; min-height: 0; padding-block: 1.4rem; }
  .news-list-home .news-item.is-imageless { min-height: 160px; }
  .news-media { width: min(280px, 100%); height: auto; aspect-ratio: 4 / 3; }
  .news-list-home .news-media { width: min(220px, 100%); height: auto; }
}

@media (prefers-reduced-motion: no-preference) {
  .button, .nav-links a, .nav-toggle, .palette-apply { transition: background-color .15s ease, border-color .15s ease, color .15s ease; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media print {
  :root { --color-text: #111; --color-ink: #000; --color-muted: #333; }
  @page { margin: 18mm; }
  body { color: #111; background: #fff; font-size: 10pt; }
  .site-header { position: static; background: #fff; border-bottom: 1px solid #aaa; }
  .site-header > .page-container { min-height: 0; padding-block: 0 10pt; }
  .page-container { width: 100%; max-width: none; }
  .site-main { min-height: 0; padding: 18pt 0; }
  .site-main > .page-container > section + section,
  .site-main.page-container > section + section { margin-top: 20pt; }
  #site-nav, .nav-toggle, .skip-link, .publication-tools, #publication-count, #publication-empty, .article-toc, .theme-control, .palette-apply, #theme-status { display: none !important; }
  .brand { max-width: none; }
  a { color: #111; }
  h1 { font-size: 25pt; }
  h2 { font-size: 18pt; }
  h3 { font-size: 12pt; }
  h1, h2, h3, h4 { break-after: avoid; }
  p, li { orphans: 3; widows: 3; }
  .hero { grid-template-columns: minmax(0, 1fr) 130px; gap: 20pt; }
  .hero h1 { font-size: 25pt; }
  .hero-portrait { max-width: 130px; }
  .lead { font-size: 11pt; }
  .research-grid, .selected-grid, .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .content-grid { display: block; }
  .panel { margin-bottom: 12pt; }
  .research-card, .paper-card, .post-card, .publication-item, .news-item, .timeline-item { break-inside: avoid; }
  .paper-card, .panel, .hero-portrait { box-shadow: none; }
  .research-card, .paper-body, .post-card-body, .panel, .resource-callout { padding: 12pt; }
  .home-banner { height: 100pt; }
  .about-profile { grid-template-columns: minmax(0, 1fr) 100px; gap: 18pt; }
  .about-portrait { max-width: 100px; }
  .profile-card { padding: 12pt; break-inside: avoid; }
  .profile-avatar { width: 75pt; height: 105pt; }
  .profile-name { font-size: 24pt; }
  .profile-social { display: none; }
  .news-media { width: 150pt; height: 112.5pt; }
  .palette-grid, .appearance-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .button { min-height: 0; padding: 5pt 8pt; color: #111; background: #fff; border-color: #aaa; }
  .prose { max-width: none; font-size: 10pt; }
  pre, .prose > table, .table-wrap, .article-table { overflow: visible; }
  pre, pre code { white-space: pre-wrap; overflow-wrap: anywhere; }
  .table-wrap table, .article-table table { min-width: 0; }
  .site-footer { font-size: 8pt; }
}