/**
 * Vector 2022???style: Contents-style left nav, Appearance-style right rail.
 * Dashed line under sidebar header; gray lines under right-rail topics.
 */

:root {
  --wiki-bg-page: #f8f9fa;
  --wiki-bg-content: #fff;
  --wiki-bg-neutral: #f8f9fa;
  --wiki-border-content: #a2a9b1;
  --wiki-border-light: #c8ccd1;
  --wiki-link: #3366cc;
  --wiki-link-active: #3056a6;
  --wiki-link-visited: #6b4ba1;
  /* ??? Openings ??????????????????? */
  --openings-border: #54595d;
  --openings-border-left: #214478;
  --wiki-text: #202122;
  --wiki-muted: #54595d;
  --wiki-max-width: 1720px;
  --sidebar-width: 12.5em;
  --right-rail-width: 8.5em;
  /* ???????????????????????????????? 1px??*/
  --wiki-section-rule-width: 2px;
  /* ???? sticky ??????????????????????????????????????????*/
  --wiki-rail-sticky-top: 0.875rem;
  /* Wikipedia Vector ????????????/?????????????/?????????? */
  --font-serif: "Times New Roman", Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, "DejaVu Sans Mono", monospace;
  --radius-wiki: 2px;
}

/* Dark mode (right-rail Color switch) */
html.dark-mode {
  --wiki-bg-page: #1a1b1e;
  --wiki-bg-content: #202124;
  --wiki-bg-neutral: #292a2d;
  --wiki-border-content: #4a4b4e;
  --wiki-border-light: #3c4043;
  --openings-border: #5a5e63;
  --openings-border-left: #3d7dd9;
  --wiki-link: #8ab4f8;
  --wiki-link-active: #aecbfa;
  --wiki-link-visited: #c58af9;
  --wiki-text: #e8eaed;
  --wiki-muted: #9aa0a6;
}

html.dark-mode .right-rail-option input[type="radio"] {
  background: var(--wiki-bg-content);
  border-color: var(--wiki-border-light);
}

html.dark-mode .right-rail-option input[type="radio"]:checked {
  border-color: var(--wiki-link);
  background: radial-gradient(circle at center, var(--wiki-link) 35%, transparent 40%);
}

html.dark-mode .right-rail-header {
  color: var(--wiki-text);
  border-bottom-color: var(--wiki-border-light);
}

html.dark-mode .right-rail-title,
html.dark-mode .right-rail-option,
html.dark-mode .right-rail-option--current,
html.dark-mode .right-rail .lang-current {
  color: var(--wiki-muted);
}

html.dark-mode .right-rail-title {
  border-bottom-color: var(--wiki-border-light);
}

* {
  box-sizing: border-box;
}

/* ?????????1.125???????? Overview ?????????????????rem/em ??????????????? */
html {
  font-size: 112.5%;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1em;
  line-height: 1.45;
  color: var(--wiki-text);
  background: var(--wiki-bg-page);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--wiki-link);
  text-decoration: none;
}

a:visited {
  color: var(--wiki-link-visited);
}

a:hover {
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--wiki-link);
  outline-offset: 2px;
}

.wiki-btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.285;
  padding: 0.3125rem 0.75rem;
  margin: 0 0.25rem 0.25rem 0;
  border-radius: var(--radius-wiki);
  border: 1px solid var(--wiki-border-content);
  background: var(--wiki-bg-neutral);
  color: var(--wiki-text);
  cursor: pointer;
  text-decoration: none;
  vertical-align: middle;
}

.wiki-btn:hover {
  background: #eaecf0;
  text-decoration: none;
  color: var(--wiki-text);
}

.wiki-btn--progressive {
  background-color: var(--wiki-link);
  border-color: var(--wiki-link);
  color: #fff;
}

.wiki-btn--progressive:hover {
  background-color: var(--wiki-link-active);
  border-color: var(--wiki-link-active);
  color: #fff;
}

/* Top bar: gray outer, white inner strip (Vector-style gutters) */
.site-topbar {
  flex-shrink: 0;
  width: 100%;
  background: var(--wiki-bg-page);
  font-family: var(--font-sans);
}

.site-topbar-inner {
  max-width: calc(var(--wiki-max-width) - 30px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  min-height: 4.25rem;
  padding: 1rem 1.5rem 1rem 1.25rem;
  background: var(--wiki-bg-content);
}

.site-topbar-brand {
  font-weight: 400;
  font-size: 1.1875rem;
  color: var(--wiki-text);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  letter-spacing: 0.01em;
}

.site-topbar-brand .wiki-mark {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--wiki-link);
  font-weight: 300;
}

/* Main layout: max-width locked????????????????????????????*/
.layout-wrap {
  display: flex;
  flex: 1;
  min-height: 0;
  max-width: var(--wiki-max-width);
  margin: -6px auto 0;
  width: 100%;
  padding: 0 1rem 0 1rem;
  background: var(--wiki-bg-content);
}

/* Sidebar: narrower, larger font, solid line under brand, sticky on scroll */
.sidebar {
  flex: 0 0 var(--sidebar-width);
  min-width: 0;
  padding: 0.55rem 1rem 1.5rem 1rem;
  background: var(--wiki-bg-content);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  position: sticky;
  top: var(--wiki-rail-sticky-top);
  align-self: flex-start;
  max-height: calc(100vh - var(--wiki-rail-sticky-top));
  overflow-y: auto;
}

.sidebar .brand {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 0.45rem;
  padding: 0 0 0.35rem;
  border-bottom: 1px solid var(--wiki-border-light);
  color: var(--wiki-text);
}

.sidebar .nav-group {
  margin-top: 0.12rem;
}

/* ??????????????????????? .brand ??????????????????????????????????????? */
.sidebar nav > .nav-group:first-child {
  margin-top: 0.4rem;
}

.sidebar .nav-group-title {
  font-weight: 700;
  color: var(--wiki-text);
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  margin: 0.5rem 0 0.2rem 0;
  padding: 0 0 0 0.25em;
  line-height: 1.25;
}

.sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0 0 0 0.35em;
}

.sidebar li {
  margin: 0;
}

.sidebar a {
  display: block;
  padding: 0.22em 0 0.22em 0.2em;
  margin: 0;
  border-radius: var(--radius-wiki);
  color: var(--wiki-link);
  text-decoration: none;
  line-height: 1.35;
}

/* ??????????????????????????????????????????? */
.sidebar a:visited {
  color: var(--wiki-link);
}

.sidebar a:hover {
  background: #eaecf0;
  text-decoration: none;
}

/* ?????????????? + ???? + ??????????????????????????????????????1?? ??? */
.sidebar a[aria-current="page"] {
  font-weight: 600;
  color: var(--wiki-text);
  padding-left: calc(0.2em + 1.5ch);
  background: rgba(0, 0, 0, 0.045);
  box-shadow: inset 3px 0 0 var(--wiki-link);
  border-radius: var(--radius-wiki);
}

.sidebar a[aria-current="page"]:visited {
  color: var(--wiki-text);
}

.sidebar a[aria-current="page"]:hover {
  background: rgba(0, 0, 0, 0.07);
  text-decoration: none;
}

html.dark-mode .sidebar a[aria-current="page"] {
  background: rgba(138, 180, 248, 0.1);
  box-shadow: inset 3px 0 0 var(--wiki-link);
  color: var(--wiki-text);
}

html.dark-mode .sidebar a[aria-current="page"]:visited {
  color: var(--wiki-text);
}

html.dark-mode .sidebar a[aria-current="page"]:hover {
  background: rgba(138, 180, 248, 0.16);
}

/* Publications：侧栏二级目录（<details>，在 publications 页默认展开） */
.sidebar-details {
  margin: 0;
}

.sidebar-details__summary {
  list-style: none;
  cursor: pointer;
  font-weight: inherit;
  font-size: inherit;
}

.sidebar-details__summary::-webkit-details-marker {
  display: none;
}

.sidebar-details__summary::marker {
  content: "";
}

.sidebar-details__summary a {
  display: block;
}

.sidebar-subnav {
  list-style: none;
  margin: 0.12em 0 0.28em 0;
  padding: 0 0 0 1.75em;
  border-left: 1px solid var(--wiki-border-light);
  font-size: 0.9em;
}

.sidebar-subnav li {
  margin: 0;
}

.sidebar-subnav a {
  padding: 0.18em 0 0.18em 0.75em;
}

/* 锚点跳转时避免标题被顶栏遮挡 */
.mw-body section[id] {
  scroll-margin-top: 1rem;
}

/* Teaching：院校标签 [PolyU] / [NJUPT]（常规字重，略灰以区分） */
.teaching-courses {
  list-style: disc;
  margin: 0.5em 0 1em 1.5em;
  padding: 0;
}

.teaching-courses li {
  margin: 0.45em 0;
  line-height: 1.55;
}

.teaching-courses .teaching-inst {
  font-weight: 400;
  margin-right: 0.35em;
  color: var(--wiki-muted);
}

html.dark-mode .teaching-courses .teaching-inst {
  color: var(--wiki-muted);
}

/* Teaching 页：主标题下分隔线与课程列表之间拉开间距 */
.main.mw-body #teaching-courses {
  margin-top: 2rem;
}

.main {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  max-width: none;
  padding: 1rem 0.75rem 2.5rem 1.25rem;
  background: var(--wiki-bg-content);
}

.right-rail {
  flex: 0 0 var(--right-rail-width);
  width: var(--right-rail-width);
  padding: 0.85rem 0.5rem 2rem 0.75rem;
  background: var(--wiki-bg-content);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  position: sticky;
  top: var(--wiki-rail-sticky-top);
  align-self: flex-start;
  max-height: calc(100vh - var(--wiki-rail-sticky-top));
  overflow-y: auto;
  /* 全站隐藏右侧栏且不占位，让主内容区统一变宽 */
  display: none;
}


/* Top-level "Appearance" header: bold black, divider under */
.right-rail-header {
  font-weight: 700;
  font-size: 0.8125rem;
  color: #202122;
  margin: 0 0 0.6rem;
  padding: 0 0 0.55rem;
  border-bottom: 1px solid #eaecf0;
}

/* Section titles (Languages, Color): normal weight, gray, divider under title only */
.right-rail-title {
  font-weight: 400;
  font-size: 0.8125rem;
  color: #72777d;
  margin: 0.9rem 0 0.45rem 0;
  padding: 0 0 0.55rem 0;
  border-bottom: 1px solid #eaecf0;
}

.right-rail-section {
  margin-top: 0.4rem;
  padding-bottom: 0;
  border-bottom: none;
}

/* Options: normal weight, gray; selected option stays normal (no bold) */
.right-rail-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.65rem 0;
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 400;
  color: #72777d;
}

.right-rail-option input[type="radio"] {
  appearance: none;
  width: 1rem;
  height: 1rem;
  border: 1px solid var(--wiki-border-light);
  border-radius: 50%;
  background: #fff;
  margin: 0;
  cursor: pointer;
  flex-shrink: 0;
}

.right-rail-option input[type="radio"]:checked {
  border-color: var(--wiki-link);
  border-width: 2px;
  background: radial-gradient(circle at center, var(--wiki-link) 35%, transparent 40%);
}

.right-rail-option input[type="radio"]:disabled {
  cursor: default;
}

.right-rail-option a {
  color: var(--wiki-link);
  text-decoration: none;
}

.right-rail-option a:hover {
  text-decoration: underline;
}

.right-rail-option--current {
  font-weight: 400;
  color: #72777d;
}

.right-rail ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.right-rail li {
  margin: 0.15em 0;
  line-height: 1.4;
}

.right-rail a {
  display: block;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-wiki);
  color: var(--wiki-link);
}

.right-rail a:hover {
  background: #eaecf0;
  text-decoration: none;
}

.right-rail .lang-current {
  font-weight: 400;
  color: #72777d;
  padding: 0;
  cursor: default;
}

.right-rail .lang-current:hover {
  text-decoration: none;
  background: transparent;
}

.right-rail-hint {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--wiki-muted);
  line-height: 1.45;
  padding: 0 0.35rem 0 0;
}

/* Content area: only lines under headings (Vector style) */
.page-title {
  font-family: var(--font-serif);
  font-size: 1.75em;
  font-weight: 400;
  line-height: 1.25;
  margin: 0 0 0.2rem;
  padding-bottom: 0.2em;
  border-bottom: var(--wiki-section-rule-width) solid var(--wiki-border-content);
}

.subtitle {
  font-size: 0.875em;
  color: var(--wiki-muted);
  margin: 0 0 0.85rem;
  font-family: var(--font-sans);
}

.hatnote {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-style: italic;
  color: var(--wiki-muted);
  background: var(--wiki-bg-neutral);
  padding: 0.5em 0.75em;
  margin: 0 0 1em;
  line-height: 1.5;
}

/* ??? Openings???????????+ ?????? + ???????*/
.openings-callout {
  margin: 1.15em 0 1.25em;
  padding: 0.5em 1.15em 0.95em;
  border: 2px solid var(--openings-border);
  border-left: 5px solid var(--openings-border-left);
  border-radius: var(--radius-wiki);
  background: var(--wiki-bg-neutral);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.openings-callout .lead {
  margin-bottom: 0;
}

.openings-callout p,
.openings-callout li {
  text-align: justify;
}

html.dark-mode .openings-callout {
  box-shadow: none;
}

.lead {
  font-size: 0.95em;
  line-height: 1.5;
  margin-bottom: 1em;
}

.toc {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  background: transparent;
  padding: 0.5em 0 0.75em;
  display: table;
  max-width: 100%;
  margin: 0 0 1.25em;
}

.toc .toc-title {
  font-weight: 700;
  margin: 0 0 0.5em;
}

.toc ul {
  margin: 0;
  padding-left: 1.25em;
}

.toc li {
  margin: 0.15em 0;
}

.mw-body h2 {
  font-family: var(--font-sans);
  font-size: 1.375em;
  font-weight: 400;
  margin: 1em 0 0.3em;
  padding: 0 0 0.2em;
  border-bottom: var(--wiki-section-rule-width) solid var(--wiki-border-content);
  overflow: hidden;
}

.mw-body h2 .mw-headline {
  display: inline-block;
  border: 0;
}

/* ????? .mw-body h2 ???margin-top??????Openings ???????????? */
.mw-body .openings-callout h2 {
  margin-top: 0;
  margin-bottom: 0.45em;
  padding: 0 0 0.35em;
  border-bottom: var(--wiki-section-rule-width) solid var(--openings-border);
}

.mw-body .openings-callout h2 .mw-headline {
  border: 0;
}

.mw-body .openings-callout h2 .openings-join-us {
  font-size: 0.78em;
  font-weight: 400;
  color: var(--wiki-muted);
  margin-left: 0.2em;
}

html.dark-mode .mw-body .openings-callout h2 {
  border-bottom-color: var(--openings-border);
}

.mw-body .openings-callout h3 {
  margin-top: 0.5em;
  margin-bottom: 0.35em;
}

.mw-body .openings-callout ol,
.mw-body .openings-callout ul {
  margin-top: 0.35em;
  margin-bottom: 0.65em;
}

.mw-body h3 {
  font-family: var(--font-sans);
  font-size: 1.0625em;
  font-weight: 600;
  margin: 0.85em 0 0.3em;
}

.mw-body p {
  margin: 0.5em 0;
}

/* ??? Overview???????????????????????????? +0.5ch??index / index.zh ?????? #intro??*/
#intro > p {
  line-height: 1.5;
  margin: 0;
  margin-bottom: calc(0.5em + 0.5ch);
  text-align: justify;
}

#intro > p:last-child {
  margin-bottom: 0;
}

#intro > p:first-of-type {
  margin-top: calc(0.5em + 2px);
}

.mw-body ul {
  margin: 0.4em 0 0.6em 1.6em;
}

.entry-list {
  list-style: none;
  margin: 0.5em 0 1em;
  padding: 0;
}

.entry-list li {
  margin: 0.85em 0;
  padding-left: 0;
  line-height: 1.55;
}

.mw-body--projects ul.entry-list {
  margin-left: 0;
  padding-left: 0;
}

.mw-body--projects .entry-list li {
  text-align: justify;
  padding-left: 0;
  text-indent: 0;
}

.mw-body--publications ul.entry-list {
  margin-left: 0;
  padding-left: 0;
}

.mw-body--publications .entry-list li {
  text-align: justify;
  padding-left: 0;
  text-indent: 0;
}

.entry-list .authors {
  color: var(--wiki-text);
}

.entry-list .paper-title {
  font-weight: 600;
}

.entry-list .venue {
  font-style: italic;
}

.entry-list .meta {
  font-size: 0.95em;
}

.entrepreneurship-logo-wrap {
  text-align: center;
  margin: 1em 0 0;
}

.entrepreneurship-callout .entrepreneurship-logo-link {
  display: inline-block;
  line-height: 0;
}

.entrepreneurship-logo {
  display: block;
  max-height: 52px;
  width: auto;
  height: auto;
}

.mw-body #entrepreneurship h2 .entrepreneurship-heading-logo {
  float: right;
  line-height: 0;
  margin-top: 0.2em;
}

.entrepreneurship-logo--header {
  max-height: 24px;
}

/* Services: Awards — year cards */
.awards-timeline {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.35em;
}

.awards-year {
  margin: 0;
  padding: 0.75em 1.1em 0.95em;
  border: 1px solid var(--wiki-border-light);
  border-left: 4px solid var(--openings-border-left);
  border-radius: var(--radius-wiki);
  background: var(--wiki-bg-neutral);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

html.dark-mode .awards-year {
  box-shadow: none;
}

.mw-body #awards .awards-year__title {
  font-family: var(--font-sans);
  font-size: 1.0625em;
  font-weight: 600;
  margin: 0 0 0.5em;
  padding: 0 0 0.4em;
  border-bottom: 1px solid var(--wiki-border-light);
  color: var(--wiki-link);
}

.mw-body #awards .awards-year__title .mw-headline {
  border: 0;
}

.awards-year__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.awards-year__list li {
  padding: 0.55em 0;
  border-bottom: 1px solid var(--wiki-border-light);
  line-height: 1.55;
}

.awards-year__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.mw-body--services ul.entry-list {
  margin-left: 0;
  padding-left: 0;
}

.mw-body--services .awards-timeline {
  display: block;
  gap: 0;
  margin-top: 0.5em;
}

.mw-body--services .awards-year {
  margin: 0 0 0.65em;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.mw-body--services #awards .awards-year__title {
  font-family: var(--font-sans);
  font-size: 1em;
  font-weight: 600;
  color: var(--wiki-text);
  margin: 0.35em 0 0.15em;
  padding: 0;
  border: 0;
}

.mw-body--services .awards-year__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mw-body--services .awards-year__list li {
  margin: 0.45em 0;
  padding: 0;
  border: 0;
  line-height: 1.55;
}

.mw-body--services .entry-list li,
.mw-body--services .awards-year__list li {
  text-align: justify;
}

.mw-body--services .entrepreneurship-callout > p:first-of-type {
  text-align: justify;
}

/* 全站正文（非标题）统一字号 */
.mw-body .subtitle,
.mw-body .lead,
.mw-body p,
.mw-body li,
.member-card__role,
.member-card__bio {
  font-size: 1em;
}

.appendix h2 {
  margin-top: 1.35em;
}

.ref-list,
.link-list {
  list-style: disc;
  margin: 0.4em 0 0.6em 1.6em;
}

.ref-list li,
.link-list li {
  margin: 0.25em 0;
}

.site-footer {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--wiki-muted);
  margin-top: 2rem;
  padding-top: 0.75rem;
  border-top: var(--wiki-section-rule-width) solid var(--wiki-border-content);
}

@media (max-width: 900px) {
  .right-rail {
    flex: 1 1 100%;
    width: 100%;
    max-width: none;
    order: 3;
    padding-top: 1rem;
    margin-top: 0.5rem;
    position: static;
    max-height: none;
    /* 窄屏下不保留占位，避免底部大块空白 */
    display: none;
  }

  .layout-wrap {
    flex-wrap: wrap;
  }

  .main {
    order: 2;
    flex: 1 1 100%;
    max-width: none;
  }

  .sidebar {
    order: 1;
    flex: 1 1 100%;
    position: static;
    max-height: none;
  }
}

@media (max-width: 768px) {
  .layout-wrap {
    flex-direction: column;
  }

  .sidebar {
    flex: none;
    width: 100%;
  }

  .site-topbar-inner {
    min-height: 3.75rem;
    padding: 0.85rem 1rem;
  }

  :root {
    --sidebar-width: 100%;
  }
}

/* ?????Team leader ??????????????????????????????? index / index.zh ??#pi??*/
.main.mw-body #pi {
  margin-top: 0.9rem;
}

/* Members: PI row + 3-column grid (content layout; matches wiki borders) */
.pi-leader {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin: 0.75em 0 1.25em;
  flex-wrap: wrap;
}

/* Team leader??cover ?????????????????????????center ??????????????? */
.pi-leader__photo {
  margin: 0;
  flex: 0 0 auto;
  width: 8rem;
  height: 10.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--wiki-bg-neutral);
  border: 1px solid var(--wiki-border-light);
  box-sizing: border-box;
  overflow: hidden;
}

.pi-leader__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.pi-leader__text {
  flex: 1 1 16rem;
  min-width: 0;
}

.pi-leader__text .pi-name {
  font-family: var(--font-sans);
  font-size: 1.125em;
  font-weight: 600;
  margin: 0 0 0.35em;
}

/* 首页 PI：职位与简介段落两端对齐（不含姓名行与图标行） */
.pi-leader__text > p:not(.pi-name):not(.pi-leader__links) {
  text-align: justify;
}

/* 首页 PI：外链图标行（沿用 teampage 目录下 Font Awesome SVG） */
.pi-leader__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.65rem;
  margin: 0.65em 0 0;
}

.pi-leader__icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem;
  border-radius: var(--radius-wiki);
  line-height: 0;
  color: var(--wiki-text);
}

.pi-leader__icon-link:hover {
  background: #eaecf0;
}

html.dark-mode .pi-leader__icon-link:hover {
  background: var(--wiki-bg-neutral);
}

.pi-leader__icon-link img {
  display: block;
  width: auto;
  height: auto;
  max-height: 28px;
  max-width: 40px;
  object-fit: contain;
}

.pi-leader__icon-link img.pi-leader__icon-img--svg {
  width: 22px;
  height: 22px;
  max-width: 22px;
  max-height: 22px;
}

.pi-leader__icon-link img.pi-leader__icon-img--polyu {
  max-height: 30px;
}

html.dark-mode .pi-leader__icon-link img.pi-leader__icon-img--svg {
  filter: brightness(0) invert(1);
  opacity: 0.88;
}

html.dark-mode .pi-leader__icon-link img.pi-leader__icon-img--bitmap {
  filter: none;
  opacity: 1;
}

.pi-leader__icon-svg {
  display: block;
  flex-shrink: 0;
}

.pi-leader__icon-svg--stroke {
  color: var(--wiki-text);
}

.member-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem 1rem;
  margin: 0.5em 0 1.25em;
}

/* ???????????????????cover ?????????? */
.member-card {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  align-items: start;
  column-gap: 0.65rem;
  padding: 0.35rem 0;
  min-width: 0;
}

.member-card__img {
  flex: 0 0 auto;
  margin: 0;
  width: 5.5rem;
  height: 7.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--wiki-bg-neutral);
  border: 1px solid var(--wiki-border-light);
  box-sizing: border-box;
  overflow: hidden;
}

.member-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.member-card__text {
  flex: 1 1 0;
  min-width: 0;
  align-self: start;
}

.member-card__name {
  font-family: var(--font-sans);
  font-weight: 600;
  margin: 0 0 0.2em;
  font-size: 1em;
}

.member-card__role {
  font-size: 0.8125em;
  color: var(--wiki-muted);
  margin: 0 0 0.35em;
  font-family: var(--font-sans);
}

.member-card__role-inline {
  font-size: 1em;
  color: var(--wiki-muted);
  font-family: inherit;
  font-weight: 400;
}

/* Members 页：统一各 section（含 Alumni）之间的垂直间距 */
.page-members .mw-body > section {
  margin-top: 0;
}

.page-members .mw-body > section + section {
  margin-top: 1.2em;
}

.page-members .mw-body > section > h2 {
  margin-top: 0;
}

.member-card__bio {
  font-size: 0.875em;
  line-height: 1.45;
  margin: 0;
}

@media (max-width: 900px) {
  .member-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .member-grid {
    grid-template-columns: 1fr;
  }
}