:root{
  --ink:#162235;
  --text:#243143;
  --muted:#5b6777;
  --line:#d7dee8;
  --soft:#f4f7fb;
  --navy:#173a6a;
  --white:#ffffff;
  --max:1160px;
  --shadow:0 10px 30px rgba(18,38,63,.08);
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:#fafbfd;line-height:1.65}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:0 28px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(160%) blur(10px)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:86px}
.brand-title{font-family:Georgia,"Times New Roman",serif;font-size:2rem;font-weight:700;color:var(--ink);letter-spacing:.01em}
.brand-sub{color:var(--muted);font-size:1rem;margin-top:2px}
.nav{display:flex;gap:28px;flex-wrap:wrap;justify-content:flex-end}
.nav a{font-size:1rem;font-weight:600;color:#263342;padding:8px 0;position:relative}
.nav a.active,.nav a:hover{color:var(--navy)}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;background:var(--navy)}
.hero{padding:54px 0 42px;background:linear-gradient(180deg,var(--white) 0%, #f7f9fc 100%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.85fr);gap:34px;align-items:start}
.hero h1,h2,h3{font-family:Georgia,"Times New Roman",serif;color:var(--ink)}
.hero h1{font-size:4.25rem;line-height:1.02;margin:8px 0 22px;font-weight:700}
.kicker{color:var(--navy);font-weight:800;letter-spacing:.16em;text-transform:uppercase;font-size:.92rem}
.lead{font-size:1.28rem;line-height:1.72;color:#4d5a6b;max-width:760px;margin:0 0 18px}
.hero-note{font-size:1.02rem;color:var(--muted);max-width:760px;margin:0 0 20px}
.button-row{display:flex;gap:14px;flex-wrap:wrap;margin:24px 0 18px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:999px;padding:13px 24px;background:var(--white);color:var(--ink);font-weight:700;font-size:1rem;box-shadow:0 2px 10px rgba(18,38,63,.04)}
.btn:hover{text-decoration:none;border-color:#b9c7d9;transform:translateY(-1px)}
.btn.primary{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn.subtle{background:var(--soft)}
.page-hero-meta{display:flex;flex-wrap:wrap;gap:14px 26px;color:var(--muted);font-size:1rem;margin-top:14px}
.page-hero-meta span{display:inline-flex;gap:8px;align-items:center}
.side-stack{display:flex;flex-direction:column;gap:18px}
.panel,.portrait-card,.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel{padding:24px 26px}
.label{color:var(--navy);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.88rem;margin-bottom:12px}
.meta-list{display:flex;flex-direction:column;gap:0}
.meta-item{padding:14px 0;border-top:1px solid #e5ebf2;font-size:1.02rem}
.meta-item:first-child{border-top:none;padding-top:0}
.meta-item strong{color:var(--ink);font-size:1.02rem}
.muted{color:var(--muted)}
.portrait-card{overflow:hidden}
.portrait-card img{width:100%;aspect-ratio:1 / 1.08;object-fit:cover;object-position:center 18%;border-bottom:1px solid var(--line)}
.portrait-caption{padding:18px 22px}
.portrait-caption h3{font-size:1.3rem;margin:0 0 4px}
.portrait-caption p{margin:0;color:var(--muted);font-size:.98rem;line-height:1.55}
.section{padding:48px 0}
.section.alt{background:var(--soft)}
h2{font-size:2.05rem;line-height:1.2;margin:0 0 18px}
h3{font-size:1.3rem;line-height:1.3;margin:0 0 12px}
p{margin:0 0 1rem}
.two-col{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.85fr);gap:30px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{padding:24px}
.card p:last-child,.panel p:last-child{margin-bottom:0}
.card.featured-paper h3{font-size:1.22rem}
.quick-stat{display:flex;gap:14px;align-items:flex-start;padding:15px 0;border-top:1px solid #e5ebf2}
.quick-stat:first-child{border-top:none;padding-top:0}
.quick-stat-number{min-width:58px;height:58px;border-radius:14px;background:var(--soft);color:var(--navy);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.05rem}
.quick-stat-text strong{display:block;color:var(--ink)}
.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.tag{display:inline-flex;padding:7px 13px;border-radius:999px;background:var(--soft);color:var(--navy);font-size:.92rem;font-weight:700;border:1px solid #dce5f0}
.timeline{display:flex;flex-direction:column;gap:18px}
.timeline-item{display:grid;grid-template-columns:120px 1fr;gap:16px;padding-top:18px;border-top:1px solid #e6edf5}
.timeline-item:first-child{padding-top:0;border-top:none}
.time{color:var(--navy);font-weight:800;font-size:.96rem}
.clean-list,.compact-list{margin:0;padding-left:1.2rem}
.clean-list li,.compact-list li{margin:0 0 .68rem}
.compact-list li{font-size:1rem}
.pub-list{display:flex;flex-direction:column;gap:18px}
.pub{display:grid;grid-template-columns:88px 1fr;gap:18px;padding:18px 0;border-top:1px solid #e6edf5}
.pub:first-child{border-top:none;padding-top:0}
.pub-year{color:var(--navy);font-weight:800;font-size:1rem}
.pub-title{color:var(--ink);font-weight:700;font-size:1.06rem;line-height:1.45}
.pub-meta{color:var(--muted);font-size:.98rem;margin-top:5px}
.table-like{display:flex;flex-direction:column;gap:15px}
.table-row{display:grid;grid-template-columns:88px 1fr;gap:14px;padding-top:15px;border-top:1px solid #e6edf5}
.table-row:first-child{padding-top:0;border-top:none}
blockquote{margin:0;color:#405064;font-size:1.04rem;line-height:1.7}
.notice{color:#d8e4f4;max-width:680px}
.site-footer{background:#14253e;color:#fff;margin-top:24px;padding:40px 0 48px}
.site-footer h3{color:#fff;font-size:1.5rem;margin:0 0 10px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:28px;align-items:start}
.footer-links{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px}
.footer-links a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.callout-note{padding:18px 20px;border-left:4px solid var(--navy);background:var(--soft);border-radius:0 12px 12px 0;color:#314055}
.research-focus{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:18px}
.focus-box{padding:18px;border:1px solid #dbe4ef;border-radius:14px;background:#fbfcfe}
.focus-box h3{font-size:1.1rem;margin-bottom:8px}
@media (max-width: 1024px){
  .topbar{flex-direction:column;align-items:flex-start;padding:14px 0}
  .nav{gap:18px}
  .hero-grid,.two-col,.footer-grid{grid-template-columns:1fr}
  .grid-3,.research-focus{grid-template-columns:1fr 1fr}
  .hero h1{font-size:3.25rem}
}
@media (max-width: 720px){
  .container{padding:0 18px}
  .hero{padding:34px 0}
  .hero h1{font-size:2.5rem}
  .lead{font-size:1.08rem}
  .grid-3,.grid-2,.research-focus{grid-template-columns:1fr}
  .timeline-item,.pub,.table-row{grid-template-columns:1fr}
  .nav{gap:12px}
  .nav a.active::after{bottom:-8px}
  .brand-title{font-size:1.6rem}
  .brand-sub{font-size:.95rem}
}