:root {
  --bg: #fbfbfa;
  --fg: #242a30;
  --muted: #626c77;
  --soft: #f3f5f7;
  --card: #ffffff;
  --border: #e1e5e9;
  --link: #245c91;
  --link-strong: #1d4d7c;
  --accent: #edf3f8;
  --accent-border: #cbd9e6;
  --max-width: 940px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--fg);
  background: var(--bg);
  font: 16px/1.64 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

a:hover { text-decoration: underline; }

header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(251, 251, 250, 0.94);
  backdrop-filter: blur(8px);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  color: var(--fg);
  font-weight: 650;
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a:hover,
.nav a.active {
  background: var(--soft);
  text-decoration: none;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 20px 72px;
}

.hero {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 30px;
  align-items: center;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.portrait {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(31, 42, 54, 0.12);
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(34px, 5vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

h2 {
  margin: 0 0 14px;
  font-size: 22px;
  letter-spacing: -0.025em;
}

h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.015em;
}

p { margin: 0 0 14px; }

p:last-child { margin-bottom: 0; }

.subtitle {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 18px;
}

.job-market {
  display: inline-block;
  margin: 0 0 12px;
  color: var(--link-strong);
  font-size: 15px;
  font-weight: 650;
}

.summary {
  max-width: 760px;
  font-size: 17px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 18px;
  color: var(--muted);
}

.links span { color: var(--muted); }

section { margin-top: 40px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.muted {
  color: var(--muted);
}

.papers,
.posts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.paper,
.post-row {
  padding: 16px 0;
  border-top: 1px solid var(--border);
}

.paper:first-child,
.post-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.title {
  display: block;
  color: var(--fg);
  font-weight: 720;
  line-height: 1.35;
}

.authors,
.venue,
.note,
.date,
.description {
  display: block;
  color: var(--muted);
  margin-top: 3px;
}

.author-me {
  color: var(--fg);
  font-weight: 700;
}

.badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  background: var(--accent);
  color: var(--link-strong);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}

.paper-links,
.post-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
  font-size: 15px;
}

.compact-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.blog-header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.blog-header p {
  max-width: 720px;
  color: var(--muted);
  font-size: 17px;
}

.article {
  max-width: 760px;
}

.article h1 {
  margin-bottom: 10px;
}

.article h2 {
  margin: 34px 0 10px;
  font-size: 23px;
}

.article .date {
  margin-bottom: 28px;
}

.article article > p:first-of-type {
  color: var(--fg);
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 24px;
}

.article p,
.article li {
  color: #353c44;
}

.article img {
  display: block;
  width: auto !important;
  max-width: 100%;
  height: auto !important;
  margin: 22px auto;
  border-radius: 10px;
}

.article table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  margin: 18px 0 24px;
  border-collapse: collapse;
  color: var(--muted);
}

.article th,
.article td {
  padding: 9px 12px;
  border: 1px solid var(--border);
}

.article th {
  color: var(--fg);
  background: var(--soft);
}

.article code {
  color: var(--fg);
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 5px;
}

footer {
  max-width: var(--max-width);
  margin: 0 auto 40px;
  padding: 0 20px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .portrait {
    width: 108px;
    height: 108px;
  }

}