:root {
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --line: #e4e4e4;
  --link: #9a2b2b;
  --link-hover: #c0392b;
  --bg: #ffffff;
  --accent: #9a2b2b;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
    Helvetica, "Noto Serif SC", Georgia, serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

/* Header */
header { margin-bottom: 8px; }

.name-main {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 2px;
  margin: 0;
  line-height: 1.2;
}

.name-email {
  font-size: 14px;
  color: var(--muted);
  margin: 6px 0 0;
  letter-spacing: 0.3px;
}
.name-email a { color: var(--muted); }
.name-email a:hover { color: var(--link-hover); }

/* Nav */
nav {
  margin: 20px 0 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

nav a {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: lowercase;
  color: var(--ink);
  text-decoration: none;
}

nav a:hover { color: var(--link-hover); }
nav a.active { color: var(--link); border-bottom: 2px solid var(--link); padding-bottom: 4px; }

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

/* Sections */
section { margin-bottom: 40px; }

h2 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 16px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

p { margin: 0 0 14px; }

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-top: 10px;
}

.meta span { white-space: nowrap; }
.sep { margin: 0 8px; color: var(--line); }

/* Links row */
.links { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 14px; }

/* News timeline */
.timeline { list-style: none; margin: 0; padding: 0; }

.timeline li {
  position: relative;
  padding-left: 108px;
  margin-bottom: 20px;
}

.timeline .date {
  position: absolute;
  left: 0;
  top: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
  width: 92px;
}

.timeline .body { font-size: 15px; }
.timeline .note { color: var(--muted); font-size: 13.5px; display: block; margin-top: 2px; }

/* Publications */
.pub { margin-bottom: 22px; }
.pub .title { font-weight: 600; }
.pub .title a { color: var(--ink); text-decoration: none; }
.pub .title a:hover { color: var(--link-hover); text-decoration: underline; }
.pub .authors { font-size: 14.5px; color: var(--ink); margin-top: 2px; }
.pub .authors .me { color: var(--accent); font-weight: 700; }
.pub .venue { font-size: 14px; color: var(--muted); font-style: italic; margin-top: 2px; }
.pub .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #fff;
  background: var(--accent);
  padding: 1px 7px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}
.pub .tag.oral {
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
}
.pub .tag.highlight {
  color: #fff;
  background: #b8860b;
  border: 1px solid #b8860b;
}

/* Comments (giscus) */
#comments .giscus { margin-top: 4px; }

.footer {
  margin-top: 60px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 520px) {
  .wrap { padding: 40px 18px 64px; }
  .name-main { font-size: 26px; }
  .timeline li { padding-left: 0; }
  .timeline .date { position: static; display: block; width: auto; margin-bottom: 2px; }
}