:root {
  --bg: #fcfbf8;
  --panel: #ffffff;
  --text: #24262b;
  --muted: #5e6773;
  --line: #d7dde5;
  --accent: #4f6b91;
  --accent-2: #8f6f45;
  --accent-soft: rgba(79, 107, 145, 0.08);
  --accent-strong-soft: rgba(79, 107, 145, 0.16);
  --shadow: 0 12px 28px rgba(52, 68, 92, 0.08);
  --max-width: 1140px;
  --section-gap: 24px;
  --section-heading-gap: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #fbfbfa 0%, #f8f7f3 100%);
  color: var(--text);
  font-family: "Source Sans 3", sans-serif;
  font-size: 1.05rem;
  line-height: 1.62;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.site-shell {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  background: transparent;
  border-bottom: 1px solid rgba(215, 221, 229, 0.9);
}

.topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
}

.top-nav a {
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 500;
  position: relative;
  text-decoration: none;
}

.top-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 100%;
  height: 2px;
  background: rgba(79, 107, 145, 0.45);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.top-nav a:hover::after,
.top-nav a:focus-visible::after {
  transform: scaleX(1);
}

.page {
  padding: 28px 0 64px;
}

.hero {
  display: flex;
  gap: 34px;
  align-items: flex-start;
}

.hero-profile {
  flex: 0 0 280px;
  width: 280px;
  padding-top: 4px;
}

.portrait-frame {
  width: 186px;
  height: 186px;
  margin-bottom: 20px;
  border-radius: 999px;
  padding: 5px;
  background: linear-gradient(145deg, #eef1f5, #f8f3e9);
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(179, 135, 77, 0.12);
  overflow: hidden;
}

.portrait-image {
  width: 100%;
  height: 100%;
  border-radius: 999px;
  display: block;
  object-fit: cover;
  object-position: center 24%;
}

.profile-copy h1 {
  margin: 0;
  font-size: clamp(1.78rem, 2.45vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}

.profile-title,
.profile-school {
  margin: 0;
  color: var(--muted);
}

.profile-title {
  margin-top: 14px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

.profile-school {
  font-size: 1rem;
  font-weight: 600;
}

.icon-links {
  display: flex;
  gap: 14px;
  margin: 16px 0 14px;
}

.icon-links a {
  width: 24px;
  height: 24px;
  display: inline-flex;
  color: var(--accent);
  opacity: 0.9;
  transition: transform 140ms ease, color 140ms ease;
}

.icon-links svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.icon-links a:hover,
.icon-links a:focus-visible {
  color: var(--accent-2);
  transform: translateY(-1px);
}

.clean-list {
  margin: 0;
  padding-left: 20px;
}

.clean-list li {
  margin-bottom: 10px;
}

.contact-inline {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.hero-main {
  flex: 1 1 auto;
  min-width: 0;
  display: block;
  padding-top: 6px;
}

.bio-block {
  padding: 6px 0 0;
  max-width: 780px;
}

.bio-block p {
  margin: 0 0 16px;
  font-size: 1.02rem;
  line-height: 1.72;
}

.lede {
  font-size: 1.05rem;
}

.inline-highlight {
  padding: 0 0.08em;
}

.inline-highlight-soft {
  color: var(--text);
}

.inline-highlight-strong {
  font-weight: 700;
  color: var(--accent);
  background: linear-gradient(180deg, transparent 58%, var(--accent-strong-soft) 58%);
  border-radius: 0.22em;
}

.inline-highlight-subtle {
  background: linear-gradient(180deg, transparent 82%, rgba(143, 111, 69, 0.16) 82%);
}

.news-list-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.section-heading h2 {
  margin: 0 0 10px;
  font-size: 1.02rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.section-heading h2::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  vertical-align: middle;
}

.heading-emoji {
  font-size: 0.88em;
  opacity: 0.72;
  filter: saturate(0.72);
}

.section-block {
  margin-top: var(--section-gap);
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 36px;
}

.experience-column {
  min-width: 0;
}

.experience-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 18px 20px;
  max-height: 320px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(79, 107, 145, 0.35) transparent;
}

.experience-panel::-webkit-scrollbar {
  width: 8px;
}

.experience-panel::-webkit-scrollbar-thumb {
  background: rgba(79, 107, 145, 0.28);
  border-radius: 999px;
}

.experience-title {
  margin: 0 0 10px;
  font-size: 1rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.experience-subtitle {
  margin-top: 20px;
}

.experience-item {
  padding: 12px 0 13px;
  border-top: 1px solid rgba(215, 221, 229, 0.8);
}

.experience-org,
.experience-lab,
.experience-role,
.experience-line {
  margin: 0;
}

.experience-org {
  font-weight: 700;
  color: var(--text);
}

.experience-lab {
  margin-top: 5px;
  color: var(--text);
}

.experience-role {
  margin-top: 5px;
  color: var(--muted);
}

.experience-line {
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.98rem;
}

.experience-line strong {
  color: var(--text);
}

.experience-line a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.experience-line a:hover,
.experience-line a:focus-visible {
  text-decoration: underline;
}

.experience-favicon {
  width: 0.95rem;
  height: 0.95rem;
  margin-right: 0.42rem;
  vertical-align: -0.12rem;
  border-radius: 3px;
  object-fit: contain;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: var(--section-heading-gap);
}

.section-heading a {
  font-size: 0.98rem;
  font-weight: 600;
}

.news-list-panel {
  padding: 8px 0;
  max-height: 258px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(79, 107, 145, 0.35) transparent;
}

.news-list-panel::-webkit-scrollbar {
  width: 8px;
}

.news-list-panel::-webkit-scrollbar-thumb {
  background: rgba(79, 107, 145, 0.28);
  border-radius: 999px;
}

.news-row {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 14px 22px;
  position: relative;
}

.news-row + .news-row {
  border-top: 1px solid rgba(215, 221, 229, 0.7);
}

.news-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-radius: 0 999px 999px 0;
}

.news-row p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.52;
}

.news-meta,
.research-tag {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
}

.news-meta {
  margin: 0;
  min-width: 0;
  font-size: 0.9rem;
  line-height: 1.35;
  white-space: nowrap;
}

.research-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.research-tag::before {
  content: "";
  width: 10px;
  height: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transform: rotate(45deg);
  border-radius: 2px;
}

.research-item {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

#research .research-item:first-of-type {
  padding-top: 16px;
}

.research-thumb {
  flex: 0 0 180px;
  width: 180px;
  padding-top: 4px;
}

.research-image {
  width: 100%;
  aspect-ratio: 1.45 / 1;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.research-image {
  display: block;
  object-fit: contain;
  object-position: center center;
  background: linear-gradient(180deg, #ffffff 0%, #fbfaf7 100%);
  padding: 10px;
}

.research-body h3 {
  margin: 0 0 6px;
  font-size: 1.34rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.research-authors {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.99rem;
}

.research-award {
  margin: -2px 0 10px;
  color: var(--accent-2);
  font-size: 0.92rem;
  font-weight: 700;
}

.research-body p {
  margin-top: 0;
}

.research-body {
  padding-top: 4px;
}

.research-item:hover .research-body h3 {
  transform: translateY(-1px);
}

.research-body h3 {
  transition: transform 150ms ease;
}

.research-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.research-links a {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.2;
}

.research-links svg {
  width: 0.9rem;
  height: 0.9rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.research-links a:hover,
.research-links a:focus-visible {
  background: rgba(79, 107, 145, 0.14);
}

.clean-list {
  list-style: none;
  padding-left: 0;
}

.clean-list li strong,
.clean-list li span {
  display: block;
}

.clean-list li span {
  color: var(--muted);
}

.clean-list-inline li {
  margin-bottom: 14px;
}

.personal-note p {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.68;
}

#beyond .section-heading {
  margin-bottom: 10px;
}

.contact-block {
  padding-bottom: 24px;
}

#contact .section-heading {
  margin-bottom: 10px;
}

#contact > p:first-of-type {
  margin-top: 0;
}

@media (max-width: 960px) {
  .hero {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 28px;
  }

  .hero-profile {
    width: auto;
    flex: initial;
    display: flex;
    align-items: flex-start;
    gap: 24px;
  }

  .portrait-frame {
    width: 184px;
    height: 184px;
  }

  .profile-copy {
    flex: 1 1 auto;
    min-width: 0;
  }

  .research-item {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .news-row {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 14px;
  }

  .experience-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 700px) {
  .site-shell {
    width: min(var(--max-width), calc(100% - 24px));
  }

  .topbar {
    min-height: auto;
    padding: 12px 0;
    justify-content: center;
  }

  .top-nav {
    width: 100%;
    justify-content: center;
    gap: 10px 18px;
  }

  .page {
    padding-top: 20px;
  }

  .hero {
    gap: 20px;
  }

  .hero-profile {
    display: block;
    text-align: center;
    padding-top: 0;
  }

  .portrait-frame {
    width: 148px;
    height: 148px;
    margin: 0 auto 16px;
  }

  .profile-copy h1 {
    font-size: clamp(1.68rem, 7.4vw, 1.96rem);
  }

  .profile-title,
  .profile-school {
    font-size: 0.98rem;
  }

  .icon-links {
    justify-content: center;
    margin: 14px 0 8px;
  }

  .hero-main {
    padding-top: 0;
  }

  .hero-profile,
  .hero-main {
    width: 100%;
    min-width: 0;
  }

  .bio-block p {
    font-size: 1rem;
    margin-bottom: 14px;
    line-height: 1.68;
  }

  .section-block {
    margin-top: 20px;
  }

  .section-heading {
    margin-bottom: 12px;
  }

  .section-heading h2 {
    font-size: 1rem;
  }

  .news-list-panel,
  .experience-panel {
    border-radius: 18px;
  }

  .news-list-panel {
    max-height: 232px;
  }

  .news-row {
    padding: 12px 16px 12px 18px;
  }

  .news-row::before {
    top: 12px;
    bottom: 12px;
  }

  .news-meta {
    margin-bottom: 2px;
  }

  .research-body h3 {
    font-size: 1.22rem;
  }

  .research-item {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 20px 0;
  }

  .research-thumb {
    width: 100%;
    max-width: none;
    padding-top: 0;
  }

  .research-image {
    aspect-ratio: 1.55 / 1;
    padding: 8px;
  }

  .research-links {
    gap: 8px;
  }

  .research-links a {
    font-size: 0.84rem;
  }

  .experience-panel {
    padding: 16px;
    max-height: 280px;
  }

  .experience-line {
    font-size: 0.96rem;
  }

  .contact-block {
    padding-bottom: 12px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 1rem;
  }

  .top-nav {
    gap: 8px 14px;
  }

  .top-nav a {
    font-size: 0.94rem;
  }

  .portrait-frame {
    width: 132px;
    height: 132px;
  }

  .profile-copy h1 {
    font-size: 1.54rem;
  }

  .bio-block p {
    font-size: 0.98rem;
  }

  .news-list-panel,
  .experience-panel {
    border-radius: 16px;
  }

  .news-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .research-body h3 {
    font-size: 1.14rem;
  }
}