:root {
  --bg: #fafaf9;
  --surface: #ffffff;
  --text: #1f2328;
  --text-soft: #545d68;
  --muted: #8a929c;
  --accent: #2563eb;
  --accent-soft: #eef2ff;
  --border: #e7e5e4;
  --highlight: #b91c1c;
  --radius: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 56px 24px 72px;
}

/* Profile */
.profile {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  margin-bottom: 56px;
}

.avatar {
  width: 168px;
  height: 168px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--surface);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
}

.profile-info h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  margin: 4px 0 14px;
}

.intro {
  font-family: "Lora", serif;
  color: var(--text-soft);
  font-size: 1.02rem;
}

.intro strong {
  color: var(--text);
  font-weight: 600;
}

.intro a,
.footer a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.intro a:hover {
  border-bottom-color: var(--accent);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.18s ease;
}

.links a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

/* Sections */
.section {
  margin-bottom: 48px;
}

.section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding-bottom: 10px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border);
}

/* News */
.news-list {
  list-style: none;
}

.news-list li {
  display: flex;
  gap: 16px;
  padding: 9px 0;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.news-list .date {
  flex-shrink: 0;
  width: 70px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: 0.88rem;
  padding-top: 1px;
}

.news-list em {
  color: var(--text);
  font-style: italic;
}

/* Education */
.edu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.edu-main {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

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

.period {
  color: var(--muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.edu-sub {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.edu-note {
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 2px;
}

/* Publications */
.pub-note {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.pub-subhead {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text);
  margin: 26px 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pub-subhead::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.pub-list:first-of-type {
  margin-top: 0;
}

.pub-title a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.pub-title a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.pub-list {
  list-style: none;
  counter-reset: pub;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.pub-list li {
  counter-increment: pub;
  position: relative;
  padding-left: 34px;
}

.pub-list li::before {
  content: counter(pub);
  position: absolute;
  left: 0;
  top: 1px;
  width: 24px;
  height: 24px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 600;
}

.pub-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  line-height: 1.4;
}

.pub-authors {
  color: var(--text-soft);
  font-size: 0.9rem;
  margin: 3px 0;
}

.pub-authors strong {
  color: var(--accent);
  font-weight: 600;
}

.pub-venue {
  font-size: 0.85rem;
  color: var(--muted);
}

.badge {
  display: inline-block;
  background: #f1f5f9;
  color: var(--text-soft);
  border-radius: 5px;
  padding: 1px 8px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-right: 4px;
}

.badge.highlight {
  background: #fef2f2;
  color: var(--highlight);
}

/* Footer */
.footer {
  margin-top: 56px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 600px) {
  .container {
    padding: 36px 18px 56px;
  }

  .profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
  }

  .avatar {
    width: 140px;
    height: 140px;
  }

  .edu-main {
    justify-content: center;
  }

  .links {
    justify-content: center;
  }

  .news-list li {
    flex-direction: column;
    gap: 2px;
  }
}