/* Fish Yu Laboratory — 静态主页样式 */
:root {
  --ocean-deep: #071e33;
  --ocean: #13456e;
  --ocean-light: #1e6aa3;
  --foam: #e8f4fc;
  --accent: #2ec4b6;
  --accent-soft: rgba(46, 196, 182, 0.15);
  --text: #1a2b3c;
  --text-muted: #4a6074;
  --card: #ffffff;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(7, 30, 51, 0.12);
  --font-en: "Segoe UI", system-ui, sans-serif;
  --font-zh: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-zh);
  color: var(--text);
  background: linear-gradient(180deg, #f5fafd 0%, #eef5fb 40%, #e4eef8 100%);
  line-height: 1.65;
}

a {
  color: var(--ocean-light);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(19, 69, 110, 0.12);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ocean-deep);
  font-weight: 700;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: var(--ocean);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: cover;
  background: #fff;
  padding: 2px;
  box-shadow: 0 4px 14px rgba(7, 30, 51, 0.12);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-en {
  font-family: var(--font-en);
  font-size: 1rem;
}

.brand-zh {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(19, 69, 110, 0.25);
  background: #fff;
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  cursor: pointer;
  font-size: 1rem;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-list a {
  font-size: 0.9rem;
  color: var(--text);
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  text-decoration: none;
}

.nav-list a:hover,
.nav-list a.is-active {
  color: var(--ocean);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

.nav-list small {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 400;
}

main {
  min-height: 55vh;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.page-title {
  font-size: 1.85rem;
  color: var(--ocean-deep);
  margin: 0 0 0.5rem;
}

.page-lead {
  color: var(--text-muted);
  margin: 0 0 2rem;
  max-width: 720px;
}

/* Hero */
.hero {
  position: relative;
  color: #fff;
  background: var(--ocean-deep);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(7, 30, 51, 0.92) 0%, rgba(19, 69, 110, 0.75) 55%, rgba(46, 196, 182, 0.35) 100%);
}

.hero-inner {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 4rem 1.25rem 4.5rem;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  margin: 0 0 0.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-slogan-en {
  font-family: var(--font-en);
  font-size: 1.05rem;
  opacity: 0.95;
  margin: 0 0 1rem;
}

.hero-slogan-sub {
  font-size: 0.95rem;
  opacity: 0.88;
  max-width: 640px;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* 首页：标语带（参考学术实验室主页的醒目标语区） */
.intro-slogan-strip {
  background: linear-gradient(90deg, rgba(19, 69, 110, 0.06) 0%, rgba(46, 196, 182, 0.12) 50%, rgba(19, 69, 110, 0.06) 100%);
  border-bottom: 1px solid rgba(19, 69, 110, 0.1);
  border-top: 1px solid rgba(255, 255, 255, 0.6);
}

.intro-slogan-inner {
  padding: 1.75rem 1.25rem;
  text-align: center;
}

.intro-slogan-zh {
  margin: 0 0 0.35rem;
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  font-weight: 800;
  color: var(--ocean-deep);
  letter-spacing: 0.02em;
}

.intro-slogan-en {
  margin: 0;
  font-family: var(--font-en);
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.section-tight {
  padding-top: 1.2rem;
}

.section-head-stack {
  align-items: flex-start;
}

.section-title-en {
  margin: 0.25rem 0 0;
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.lab-intro-prose,
.lab-intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.lab-intro-card,
.join-guide-card,
.join-role-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
}

.lab-intro-card .body,
.join-guide-card .body,
.join-role-card .body {
  padding: 1rem 1.1rem 1.15rem;
}

.lab-intro-card h3 {
  margin: 0 0 0.55rem;
  color: var(--ocean-deep);
  font-size: 1.03rem;
}

.lab-intro-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.lab-intro-card .body {
  padding: 1.15rem 1.2rem 1.25rem;
}

.lab-intro-card-wide {
  grid-column: 1 / -1;
}

.lab-intro-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.join-guide-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.join-roles-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* 亮点网格（类似产业/社区条目化展示，此处为学术亮点） */
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.highlight-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  box-shadow: 0 6px 24px rgba(7, 30, 51, 0.08);
  border: 1px solid rgba(19, 69, 110, 0.08);
}

.highlight-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--ocean-deep);
}

.highlight-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 页末招聘条 */
.join-cta-band {
  background: linear-gradient(115deg, var(--ocean-deep) 0%, var(--ocean) 45%, #156b7a 100%);
  color: rgba(255, 255, 255, 0.95);
  padding: 3rem 0;
  margin-top: 0;
}

.join-cta-band .wrap {
  padding-top: 0;
  padding-bottom: 0;
}

.join-cta-inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.join-cta-band h2 {
  margin: 0;
  font-size: 1.5rem;
  color: #fff;
}

.join-cta-en {
  color: rgba(255, 255, 255, 0.75) !important;
}

.join-cta-text {
  margin: 1rem 0 1.5rem;
  font-size: 0.95rem;
  line-height: 1.75;
  opacity: 0.95;
}

.join-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn-ghost-light {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #052028;
  box-shadow: 0 8px 24px rgba(46, 196, 182, 0.35);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-outline {
  background: #fff;
  color: var(--ocean);
  border: 1px solid rgba(19, 69, 110, 0.35);
}

.btn-outline:hover {
  background: var(--foam);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
}

/* Sections home */
.section {
  padding: 2.2rem 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.55);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.45rem;
  color: var(--ocean-deep);
}

.link-more {
  font-size: 0.9rem;
  font-weight: 600;
}

/* Research area grid */
.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.research-direction-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.research-direction-card {
  position: relative;
  aspect-ratio: 746 / 485;
  min-height: 420px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #071f31;
  box-shadow: var(--shadow);
}

.research-direction-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #fff;
}

.research-direction-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(2, 17, 29, 0.0) 0%, rgba(2, 17, 29, 0.18) 100%);
  z-index: 0;
}

.research-direction-body {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: 1.05rem 1.15rem 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  color: #fff;
}

.direction-tag {
  align-self: flex-start;
  display: inline-flex;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  margin-bottom: 0.6rem;
  font-size: 0.78rem;
  font-weight: 700;
}

.research-direction-body h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  line-height: 1.35;
}

.research-direction-body .area-summary {
  opacity: 1;
  max-height: none;
  width: min(50%, 220px);
  margin: 0 0 0.45rem;
  font-size: 0.86rem;
  line-height: 1.55;
}

.direction-keywords {
  width: min(50%, 220px);
  margin: 0.15rem 0 0;
  font-size: 0.84rem;
  line-height: 1.5;
  font-weight: 700;
}

.direction-blue .direction-tag,
.direction-blue .research-direction-body h3 {
  color: #123f82;
}

.direction-purple .direction-tag,
.direction-purple .research-direction-body h3 {
  color: #5b21b6;
}

.direction-deepblue .direction-tag,
.direction-deepblue .research-direction-body h3 {
  color: #0f172a;
}

.direction-green .direction-tag,
.direction-green .research-direction-body h3 {
  color: #1f8a54;
}

.research-direction-body .area-summary,
.direction-blue .research-direction-body .area-summary,
.direction-purple .research-direction-body .area-summary,
.direction-deepblue .research-direction-body .area-summary,
.direction-green .research-direction-body .area-summary {
  color: #111;
}

.direction-keywords {
  width: min(50%, 220px);
  margin: 0.15rem 0 0;
  font-size: 0.84rem;
  line-height: 1.5;
  font-weight: 700;
  color: #111;
}

.direction-three-adjust .research-direction-body {
  padding-bottom: 1.45rem;
}

.area-grid-compact .area-card {
  min-height: 180px;
}

.area-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 220px;
  background: var(--ocean-deep);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
}

.area-card:hover {
  text-decoration: none;
}

.area-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.area-card-body {
  position: relative;
  padding: 1.25rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
}

.area-grid-compact .area-card-body {
  justify-content: center;
}

.area-card-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.area-summary {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.55;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.35s ease, max-height 0.45s ease, margin 0.35s ease;
}

.area-card:hover .area-summary {
  opacity: 1;
  max-height: 200px;
  margin-top: 0.5rem;
}

/* 触控/窄屏：摘要始终可见（避免「只有悬停才能读」） */
@media (hover: none), (max-width: 768px) {
  .area-summary {
    opacity: 1;
    max-height: 280px;
    margin-top: 0.5rem;
  }

  .research-direction-grid {
    grid-template-columns: 1fr;
  }
}

.area-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
  margin-bottom: 0.35rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.card-grid-news-home {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.news-card,
.research-topic-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.news-card {
  min-height: 100%;
}

.news-card img {
  aspect-ratio: 16 / 9;
  width: 100%;
  object-fit: cover;
  object-position: center center;
  flex-shrink: 0;
}

.news-card-img-focus-top {
  object-position: center top;
}

.news-card .body {
  padding: 0.95rem 1.05rem 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card .body p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.58;
  color: var(--text-muted);
}

.news-title {
  margin: 0 0 0.4rem;
  font-size: clamp(0.92rem, 0.8rem + 0.45vw, 1.12rem);
  line-height: 1.22;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.direction-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.direction-card {
  position: relative;
  min-height: 340px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: #fff;
  display: block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.direction-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(7, 30, 51, 0.22);
}

.direction-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.direction-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 24, 38, 0.08) 0%, rgba(5, 24, 38, 0.74) 100%);
}

.direction-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
}

.direction-index {
  display: inline-flex;
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.direction-overlay h2 {
  margin: 0 0 0.7rem;
  font-size: 1.2rem;
  line-height: 1.35;
}

.direction-overlay p {
  margin: 0 0 0.6rem;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.92rem;
  line-height: 1.65;
}

.direction-keywords {
  margin-top: auto;
  font-weight: 700;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: var(--accent-soft);
  color: #0d5c54;
  margin-bottom: 0.45rem;
}

@media (max-width: 820px) {
  .video-panel {
    grid-template-columns: 1fr;
  }

  .card-grid-news-home,
  .research-list,
  .direction-grid,
  .lab-intro-prose,
  .lab-intro-grid,
  .join-guide-grid,
  .join-roles-grid {
    grid-template-columns: 1fr;
  }

  .research-direction-card {
    aspect-ratio: auto;
    min-height: 0;
  }

  .research-direction-card img {
    position: relative;
    inset: auto;
    height: auto;
    aspect-ratio: 746 / 485;
  }

}

.meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Video block */
.video-panel {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ocean-deep);
  color: #fff;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 0;
  box-shadow: var(--shadow);
}

a.video-panel {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.video-panel:hover {
  text-decoration: none;
  box-shadow: 0 16px 48px rgba(7, 30, 51, 0.22);
}

a.video-panel .placeholder {
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.35);
}

.video-panel .info {
  padding: 1.75rem;
}

.video-panel .placeholder {
  min-height: 260px;
  background: linear-gradient(135deg, #0c2d4a 0%, #13456e 50%, #1a6b8c 100%);
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  opacity: 0.9;
  text-align: center;
  padding: 1rem;
}

@media (max-width: 820px) {
  .video-panel {
    grid-template-columns: 1fr;
  }

  .card-grid-news-home,
  .research-list,
  .lab-intro-prose,
  .lab-intro-grid,
  .join-guide-grid,
  .join-roles-grid {
    grid-template-columns: 1fr;
  }
}

/* People */
.people-section {
  margin-bottom: 2.5rem;
}

.people-section h2 {
  font-size: 1.2rem;
  color: var(--ocean-deep);
  border-left: 4px solid var(--accent);
  padding-left: 0.65rem;
  margin: 0 0 1rem;
}

.person-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.person-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.person-photo {
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: linear-gradient(160deg, #dfeaf5, #b8d4ea);
}

.person-photo.placeholder {
  display: grid;
  place-items: center;
  font-size: 2rem;
  font-weight: 800;
  color: var(--ocean);
}

.person-body {
  padding: 1rem;
}

.person-body h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.role {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0 0 0.5rem;
}

.person-body .email {
  font-size: 0.78rem;
  word-break: break-all;
}

/* 教师团队：每人一行（左图右文） */
.person-faculty-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.person-row-card {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: 1.25rem 1.5rem;
  align-items: start;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.15rem 1.35rem;
}

.person-row-photo {
  width: 100%;
  max-width: 200px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 10px;
  background: linear-gradient(160deg, #dfeaf5, #b8d4ea);
}

.person-row-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.08rem;
  color: var(--ocean-deep);
}

.person-row-body .role {
  margin-bottom: 0.45rem;
}

.person-row-body .email {
  font-size: 0.85rem;
  margin: 0.15rem 0 0;
  word-break: break-all;
}

.person-row-body .meta {
  margin: 0.45rem 0 0;
}

.person-row-body .meta + .meta {
  margin-top: 0.35rem;
}

@media (max-width: 640px) {
  .person-row-card {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .person-row-body {
    width: 100%;
  }

  .person-row-photo {
    max-width: 180px;
  }
}

/* 博士后 / 研究生 / 毕业生：宽屏最多 5 列；照片铺满宽度、左右无内边距 */
.person-grid-compact {
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 0.6rem 0.65rem;
}

@media (min-width: 560px) {
  .person-grid-compact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .person-grid-compact {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.person-grid-compact .person-body {
  padding: 0.5rem 0.4rem 0.6rem;
}

.person-grid-compact .person-body h3 {
  font-size: 0.8rem;
  line-height: 1.35;
}

.person-grid-compact .person-body .email {
  font-size: 0.66rem;
}

.person-grid-compact .person-card {
  border: 1px solid rgba(19, 69, 110, 0.12);
}

.person-grid-compact .person-photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  box-sizing: border-box;
  padding: 0;
  object-fit: cover;
  object-position: center center;
  background: #e8eef6;
  border-bottom: 1px solid rgba(19, 69, 110, 0.1);
}

.person-grid-compact .person-photo.person-photo-zoom-out {
  object-fit: contain;
  object-position: center center;
  background: #f5f8fb;
}

.person-grid-compact .person-photo.placeholder {
  aspect-ratio: 3 / 4;
  font-size: 1.35rem;
  padding: 0;
  object-fit: none;
  border-bottom: 1px solid rgba(19, 69, 110, 0.1);
}

/* Publications */
.pub-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.chip {
  border: 1px solid rgba(19, 69, 110, 0.2);
  background: #fff;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.82rem;
  cursor: pointer;
}

.chip.is-on {
  background: var(--ocean);
  color: #fff;
  border-color: var(--ocean);
}

.pub-year {
  margin: 2rem 0 0.75rem;
  font-size: 1.1rem;
  color: var(--ocean-deep);
}

.pub-item {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  margin-bottom: 0.65rem;
  box-shadow: 0 4px 18px rgba(7, 30, 51, 0.06);
  border-left: 4px solid var(--accent);
}

.pub-item.pinned {
  border-left-color: var(--accent);
}

.pub-title {
  font-weight: 700;
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
}

.pub-title a {
  color: inherit;
  text-decoration: none;
}

.pub-title a:hover {
  color: var(--ocean-light);
  text-decoration: underline;
}

.pub-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
}

.pub-venue {
  display: inline-block;
  margin-top: 0.45rem;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  background: #fff6e0;
  color: #8a5a00;
  font-weight: 600;
  line-height: 1.45;
}

/* Join / forms */
.info-list {
  padding-left: 1.15rem;
}

@media (max-width: 900px) {
  .lab-intro-prose,
  .join-guide-grid,
  .join-roles-grid,
  .join-research-grid,
  .join-toolbox-and-apply {
    grid-template-columns: 1fr;
  }
}

.info-list li {
  margin-bottom: 0.5rem;
}

.join-roles-grid,
.join-guide-grid {
  display: grid;
  gap: 1rem;
}

.join-role-card,
.join-guide-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
}

.join-role-card {
  display: flex;
  flex-direction: column;
}

.join-role-card:hover,
.join-guide-card:hover {
  text-decoration: none;
}

.join-role-card img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.join-guide-card img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.join-role-card .body,
.join-guide-card .body {
  padding: 1rem 1.1rem 1.15rem;
}

.join-role-card h3,
.join-guide-card h3 {
  margin: 0 0 0.4rem;
  color: var(--ocean-deep);
}

.join-role-card p,
.join-guide-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.join-text-block {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem;
}

.join-text-block p:last-child {
  margin-bottom: 0;
}

/* 加入我们 — Explore Our Research */
.join-research-title {
  text-align: center;
  margin: 0 0 0.85rem;
  color: var(--ocean-deep);
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  letter-spacing: 0.01em;
}

.join-research-intro {
  max-width: 860px;
  margin: 0 auto 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
}

.join-research-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.join-research-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.2rem 1.1rem;
  border-top: 4px solid rgba(46, 196, 182, 0.45);
}

.join-research-feature {
  border-top-color: var(--accent);
}

.join-section-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ocean-light);
}

.join-research-card h3,
.join-toolbox-card h3,
.join-apply-card h3 {
  margin: 0 0 0.6rem;
  color: var(--ocean-deep);
}

.join-research-card p {
  margin: 0 0 0.9rem;
  color: var(--text-muted);
}

.join-research-card h4,
.join-toolbox-card h4 {
  margin: 1rem 0 0.5rem;
  color: var(--ocean);
  font-size: 1rem;
}

.join-research-card ul,
.join-apply-list,
.join-toolbox-card ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text);
}

.join-research-card li,
.join-apply-list li,
.join-toolbox-card li {
  margin-bottom: 0.5rem;
}

.join-toolbox-and-apply {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  margin-top: 1rem;
}

.join-toolbox-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
}

.join-toolbox-grid > div {
  background: rgba(19, 69, 110, 0.04);
  border-radius: 10px;
  padding: 0.85rem 0.9rem;
}

.join-toolbox-grid h4 {
  margin-top: 0;
}

.join-apply-list {
  list-style: none;
  padding-left: 0;
  margin: 0.9rem 0;
}

.join-apply-list li {
  padding: 0.28rem 0 0.28rem 1.55rem;
  position: relative;
}

.join-apply-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.join-apply-card p:last-of-type {
  margin-bottom: 0;
}


/* Blog gate */
.blog-gate {
  max-width: 420px;
  margin: 2rem auto;
  background: var(--card);
  padding: 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.blog-gate input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid rgba(19, 69, 110, 0.25);
  margin: 0.5rem 0 1rem;
  font-size: 1rem;
}

.blog-post {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.blog-post h3 {
  margin: 0 0 0.35rem;
}

.blog-post h3 a {
  color: var(--ocean-deep);
  text-decoration: none;
}

.blog-post h3 a:hover {
  color: var(--ocean-light);
  text-decoration: underline;
}

.blog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.blog-editor-panel {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.35rem 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(19, 69, 110, 0.12);
}

.blog-editor-panel label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  margin-top: 0.85rem;
}

.blog-editor-panel label:first-of-type {
  margin-top: 0;
}

.blog-input,
.blog-textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  border: 1px solid rgba(19, 69, 110, 0.22);
  font-size: 0.95rem;
  font-family: inherit;
}

.blog-textarea {
  resize: vertical;
  min-height: 220px;
  line-height: 1.5;
}

.blog-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.blog-row-actions {
  margin-top: 0.75rem;
}

/* 详情页 */
.detail-article {
  max-width: 820px;
  margin: 0 auto;
}

.detail-title {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  color: var(--ocean-deep);
  margin: 0.35rem 0 1rem;
  line-height: 1.35;
}

.detail-gallery {
  display: grid;
  gap: 1rem;
  margin: 0 0 1.5rem;
}

.detail-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.detail-figure-hero img {
  width: 100%;
  display: block;
}

.detail-figure-inline img {
  width: 100%;
  display: block;
}

.detail-body {
  font-size: 1rem;
  line-height: 1.75;
}

.detail-body h4 {
  margin: 1.35rem 0 0.5rem;
  color: var(--ocean-deep);
}

.detail-body ul,
.detail-body ol {
  padding-left: 1.35rem;
}

.detail-links {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(19, 69, 110, 0.12);
}

.detail-back {
  margin-top: 2rem;
  font-weight: 600;
}

/* Footer */
.site-footer {
  background: var(--ocean-deep);
  color: rgba(255, 255, 255, 0.88);
  padding: 2.5rem 1.25rem;
  margin-top: 2rem;
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.site-footer h3 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
}

.site-footer p,
.site-footer li {
  font-size: 0.88rem;
  line-height: 1.6;
  opacity: 0.92;
}

.site-footer a {
  color: #a8dff5;
}

.site-footer ul {
  padding-left: 1.1rem;
  margin: 0;
}

.footer-copy {
  max-width: 1180px;
  margin: 2rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.78rem;
  opacity: 0.75;
  text-align: center;
}

/* Responsive nav */
@media (max-width: 960px) {
  .nav-toggle {
    display: block;
  }

  .nav-list {
    display: none;
    position: absolute;
    right: 1rem;
    top: calc(100% + 6px);
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 0.75rem 1rem;
    min-width: 220px;
    border: 1px solid rgba(19, 69, 110, 0.12);
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list a {
    border-bottom: none;
    padding: 0.5rem 0;
  }
}