html {
  scroll-behavior: smooth;
}

.home-hero {
  box-sizing: border-box;
  min-height: calc(100vh - 4rem);
  min-height: calc(100svh - 4rem);
  position: relative;
  padding-bottom: 5rem;
}

.home-hero .intro .avatar img {
  width: 190px;
  height: 190px;
  object-fit: cover;
  object-position: center;
}

.scroll-cue {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  color: #808080;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  transform: translateX(-50%);
}

.scroll-cue:hover {
  color: #2d96bd;
}

.scroll-arrow {
  font-size: 1.25rem;
  animation: home-scroll-hint 1.8s ease-in-out infinite;
}

@keyframes home-scroll-hint {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(0.35rem); }
}

.academic-profile {
  scroll-margin-top: 2rem;
  background: #f4f5f7;
  border-top: 1px solid #e5e7eb;
  color: #41434a;
  padding: 5.5rem 1.5rem 6.5rem;
}

.academic-layout {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 4rem;
  align-items: start;
}

.academic-aside {
  position: sticky;
  top: 2rem;
}

.academic-photo {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: 3px;
  box-shadow: 0 14px 34px rgba(35, 40, 52, 0.14);
}

.academic-identity {
  margin-top: 1.6rem;
}

.academic-identity h1 {
  margin: 0;
  color: #24262c;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.academic-identity p {
  margin: 0.3rem 0;
  color: #61646d;
  line-height: 1.65;
}

.academic-identity .academic-name-en {
  margin: 0.2rem 0 0.8rem;
  color: #2d96bd;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
}

.academic-contact {
  margin: 1.7rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid #d9dce2;
}

.academic-contact div + div {
  margin-top: 1rem;
}

.academic-contact dt {
  color: #7b7e86;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
}

.academic-contact dd {
  margin: 0.28rem 0 0;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.academic-contact a,
.academic-content a {
  color: #2d96bd;
}

.academic-section + .academic-section {
  margin-top: 4rem;
}

.academic-section > h2 {
  margin: 0 0 1.7rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid #cfd3da;
  color: #24262c;
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.academic-section > h2::before {
  content: '';
  display: inline-block;
  width: 0.22rem;
  height: 1.1em;
  margin-right: 0.65rem;
  background: #2d96bd;
  vertical-align: -0.12em;
}

.academic-section p,
.academic-section li {
  line-height: 1.9;
}

.academic-section > p {
  margin: 0;
  font-size: 1.02rem;
}

.timeline-item,
.research-item {
  padding-left: 1.2rem;
  border-left: 2px solid #d8dce2;
}

.research-item + .research-item {
  margin-top: 2rem;
}

.timeline-head {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: baseline;
}

.timeline-head h3 {
  margin: 0;
  color: #30323a;
  font-size: 1.04rem;
  font-weight: 600;
}

.timeline-head time,
.project-grid time,
.project-kind {
  flex: none;
  color: #858891;
  font-size: 0.85rem;
}

.timeline-item p,
.research-item p {
  margin: 0.65rem 0 0;
}

.timeline-item ul {
  margin: 0.55rem 0 0;
  padding-left: 1.2rem;
}

.publication-status {
  color: #63666f;
  font-size: 0.92rem;
}

.achievement-list,
.campus-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.achievement-list li {
  display: grid;
  grid-template-columns: 3.4rem minmax(220px, 1fr) minmax(120px, 0.65fr);
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid #e0e2e7;
}

.achievement-list li > span:first-child,
.campus-list span {
  color: #858891;
  font-size: 0.88rem;
}

.achievement-list .achievement-result {
  color: inherit;
  font-size: inherit;
}

.achievement-list strong {
  color: #353740;
  font-weight: 500;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.project-grid article {
  padding: 1.35rem 1.45rem;
  background: #fff;
  border: 1px solid #e0e3e8;
  border-radius: 3px;
}

.project-grid h3 {
  margin: 0;
  color: #30323a;
  font-size: 1.05rem;
}

.project-grid h3 a {
  display: inline-flex;
  gap: 0.35rem;
  align-items: baseline;
  color: inherit;
}

.project-grid h3 a span {
  color: #2d96bd;
  font-size: 0.88em;
}

.project-grid h3 a:hover {
  color: #2d96bd;
  background: transparent;
}

.project-grid p {
  margin: 0.55rem 0 1rem;
}

.campus-list {
  margin-top: 1.5rem;
}

.campus-list li {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid #e0e2e7;
}

.campus-list strong {
  display: block;
  color: #353740;
  font-weight: 500;
}

.campus-list p {
  margin: 0.3rem 0 0;
  color: #63666f;
  font-size: 0.94rem;
}

.dark-theme .academic-profile {
  background: #242529;
  border-top-color: #3a3b40;
  color: #c5c6ca;
}

.dark-theme .academic-identity h1,
.dark-theme .academic-section > h2,
.dark-theme .timeline-head h3,
.dark-theme .achievement-list strong,
.dark-theme .campus-list strong,
.dark-theme .project-grid h3 {
  color: #f0f0f2;
}

.dark-theme .academic-identity p,
.dark-theme .publication-status,
.dark-theme .campus-list p {
  color: #aaaeb6;
}

.dark-theme .academic-contact,
.dark-theme .academic-section > h2,
.dark-theme .achievement-list li,
.dark-theme .campus-list li {
  border-color: #484a51;
}

.dark-theme .timeline-item,
.dark-theme .research-item {
  border-left-color: #4a4c53;
}

.dark-theme .project-grid article {
  background: #2c2d32;
  border-color: #44464d;
}

@media screen and (max-width: 800px) {
  .academic-profile {
    padding: 4rem 1.25rem 5rem;
  }

  .academic-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .academic-aside {
    position: static;
    max-width: 420px;
  }

  .academic-photo {
    max-width: 260px;
  }

  .achievement-list li {
    grid-template-columns: 3.2rem 1fr;
    gap: 0.6rem 1rem;
  }

  .achievement-list li > :last-child {
    grid-column: 2;
  }
}

@media screen and (max-width: 479px) {
  .home-hero {
    min-height: calc(100svh - 40pt);
  }

  .home-hero .intro .avatar img {
    width: 156px;
    height: 156px;
  }

  .academic-profile {
    scroll-margin-top: 4.5rem;
    padding: 3.5rem 1rem 4rem;
  }

  .academic-aside {
    max-width: none;
  }

  .academic-photo {
    width: min(72vw, 250px);
  }

  .timeline-head {
    display: block;
  }

  .timeline-head time {
    display: block;
    margin-top: 0.35rem;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .campus-list li {
    display: block;
  }

  .campus-list span {
    display: block;
    margin-bottom: 0.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .scroll-arrow {
    animation: none;
  }
}