:root{
  --navy:#123a5a;
  --blue:#2d6f9d;
  --ink:#25313b;
  --muted:#697784;
  --paper:#ffffff;
  --soft:#f6f8fa;
  --line:#dce4ea;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  overflow-x:hidden;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
}
a{color:var(--navy)}
img{max-width:100%}

.topbar{height:4px;background:var(--navy)}

.wrap{
  width:min(980px,calc(100% - 40px));
  margin:0 auto;
}

.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
}

.header-inner{
  min-height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand{
  color:var(--navy);
  text-decoration:none;
  font-weight:700;
}

nav{
  display:flex;
  gap:22px;
  flex-wrap:wrap;
}

nav a{
  text-decoration:none;
  color:#44515d;
  font-size:14px;
}

nav a:hover{text-decoration:underline}

.profile-section{
  padding:68px 0 64px;
}

.profile-grid{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:52px;
  align-items:start;
}

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

.headshot{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  object-position:center 24%;
  border-radius:3px;
  display:block;
  background:#edf1f4;
}

.intro-column{min-width:0}

.eyebrow,.section-kicker{
  margin:0 0 10px;
  color:var(--blue);
  font-size:11px;
  font-weight:700;
  letter-spacing:.13em;
}

h1{
  margin:0;
  color:var(--navy);
  font-family:Georgia,"Times New Roman",serif;
  font-size:52px;
  font-weight:500;
  line-height:1.05;
  letter-spacing:-1px;
}

.chinese-name{
  margin:8px 0 24px;
  color:#566674;
  font-size:19px;
}

.role{
  margin:0 0 24px;
  font-size:18px;
  color:#46535f;
}

.intro{
  margin:0;
  max-width:690px;
  font-family:Georgia,"Times New Roman",serif;
  font-size:21px;
  line-height:1.55;
  color:#2e3d49;
}

.quick-info{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line);
}

.quick-info h3{
  margin:0 0 5px;
  color:var(--navy);
  font-size:14px;
}

.quick-info p{
  margin:0;
  color:#556370;
  font-size:14px;
}

.quick-info a{text-decoration:none}
.quick-info a:hover{text-decoration:underline}

.section{
  padding:58px 0;
  border-top:1px solid var(--line);
}

.section-alt{background:var(--soft)}

.content-grid{
  display:grid;
  grid-template-columns:150px minmax(0,1fr);
  gap:46px;
}

.section-label{
  color:var(--navy);
  font-family:Georgia,"Times New Roman",serif;
  font-size:25px;
}

.body-copy p{
  margin:0 0 16px;
  font-size:16px;
  color:#3b4955;
}

.education-list{
  display:grid;
  gap:28px;
}

.education-item h3{
  margin:0 0 3px;
  color:var(--navy);
  font-family:Georgia,"Times New Roman",serif;
  font-size:20px;
  font-weight:500;
}

.education-item p{
  margin:0;
  color:#43515e;
}

.education-item .subtle{
  color:var(--muted);
  font-size:14px;
}

.section-heading{
  margin-bottom:28px;
}

h2{
  margin:0;
  color:var(--navy);
  font-family:Georgia,"Times New Roman",serif;
  font-size:34px;
  font-weight:500;
}

.featured-paper{
  padding:26px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.paper-label,.research-meta{
  color:var(--blue);
  font-size:10px;
  font-weight:700;
  letter-spacing:.1em;
}

.featured-paper h3,.research-item h3,.report-row h3{
  margin:6px 0 8px;
  color:var(--navy);
  font-family:Georgia,"Times New Roman",serif;
  font-weight:500;
}

.featured-paper h3{font-size:25px}

.paper-role{
  font-weight:700;
  color:#526676;
}

.featured-paper p{
  max-width:760px;
}

.text-link{
  font-size:14px;
  font-weight:700;
  text-decoration:none;
}

.text-link:hover{text-decoration:underline}

.research-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  column-gap:36px;
}

.research-item{
  padding:26px 0;
  border-bottom:1px solid var(--line);
}

.research-item h3{
  font-size:19px;
}

.research-item p{
  margin:0 0 6px;
  color:var(--muted);
  font-size:14px;
}

.report-list{
  border-top:1px solid var(--line);
}

.report-row{
  display:grid;
  grid-template-columns:110px minmax(0,1fr);
  gap:24px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}

.report-date{
  color:var(--muted);
  font-size:13px;
}

.report-row h3{
  margin:0 0 5px;
  font-size:20px;
}

.report-row h3 a{
  text-decoration:none;
}

.report-row h3 a:hover{text-decoration:underline}

.report-row p{
  margin:0;
  color:#52606d;
  font-size:14px;
}

footer{
  padding:28px 0;
  border-top:1px solid var(--line);
  background:#fff;
}

.footer-inner{
  display:flex;
  justify-content:space-between;
  gap:20px;
  color:#73808b;
  font-size:12px;
}

.footer-inner a{
  color:#526676;
  text-decoration:none;
}

.footer-inner a:hover{text-decoration:underline}

@media (max-width: 760px) {
  html, body {
    width: 100%;
    max-width: 100%;
    margin: 0;
    overflow-x: hidden;
  }

  body {
    font-size: 16px;
  }

  .wrap {
    width: calc(100% - 40px);
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .header-inner {
    min-height: auto;
    padding: 16px 0 14px;
    display: block;
  }

  .brand {
    display: block;
    margin-bottom: 10px;
    font-size: 16px;
  }

  nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
  }

  nav a {
    font-size: 13px;
  }

  .profile-section {
    padding: 32px 0 44px;
  }

  .profile-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .photo-column {
    width: 100%;
    max-width: 100%;
  }

  .headshot {
    width: 100%;
    max-width: 320px;
    height: auto;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center 24%;
    display: block;
  }

  .intro-column {
    width: 100%;
    max-width: 100%;
  }

  .eyebrow {
    font-size: 10px;
    overflow-wrap: anywhere;
  }

  h1 {
    font-size: clamp(36px, 10vw, 44px);
    line-height: 1.08;
  }

  .chinese-name {
    font-size: 17px;
    margin: 6px 0 20px;
  }

  .role {
    font-size: 16px;
    line-height: 1.5;
  }

  .intro {
    width: 100%;
    max-width: none;
    font-size: 18px;
    line-height: 1.55;
  }

  .quick-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 26px;
  }

  .section {
    padding: 44px 0;
  }

  .content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .section-label {
    font-size: 23px;
  }

  h2 {
    font-size: 30px;
  }

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

  .featured-paper h3 {
    font-size: 22px;
  }

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

  .footer-inner {
    display: block;
  }

  .footer-inner > div + div {
    margin-top: 8px;
  }
}
