:root {
  --ink: #1a1a1a;
  --muted: #5a5a5a;
  --link: #1772d0;
  --rule: #e6e6e6;
  --accent: #b3341f;
  --bg: #ffffff;
}

* { 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", Roboto, "Helvetica Neue",
               "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 56px 28px 40px;
}

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

/* ---------- intro ---------- */
.intro {
  display: flex;
  gap: 36px;
  align-items: flex-start;
  margin-bottom: 8px;
}

.intro-text { flex: 1 1 auto; }

h1 {
  font-size: 30px;
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
  text-align: center;
}

h1 .cn {
  font-size: 20px;
  font-weight: 400;
  color: var(--muted);
  margin-left: 8px;
}

.intro p {
  margin: 0 0 12px;
}

.intro-photo {
  flex: 0 0 200px;
  width: 200px;
}

/* 保持照片原始比例，不做裁切 */
.intro-photo img {
  width: 200px;
  height: auto;
  border-radius: 6px;
  background: #f2f2f2;
  display: block;
}

.links {
  margin-top: 4px;
  color: var(--muted);
}

/* ---------- sections ---------- */
section { margin-top: 34px; }

h2 {
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

/* ---------- news / facts ---------- */
ul.news, ul.facts {
  list-style: none;
  margin: 0;
  padding: 0;
}

ul.news li, ul.facts li {
  margin: 0 0 7px;
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.news-body { flex: 1 1 auto; }
.news-body strong { color: var(--ink); }

.date, .when {
  flex: 0 0 92px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
}

/* ---------- publications ---------- */
.pub {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid #f4f4f4;
}
.pub:last-child { border-bottom: none; }

.pub-thumb { flex: 0 0 260px; }

.pub-thumb img {
  width: 260px;
  border-radius: 4px;
  display: block;
  border: 1px solid var(--rule);
}

.pub-body { flex: 1 1 auto; }

.pub h3 {
  font-size: 16.5px;
  font-weight: 600;
  margin: 0 0 6px;
  line-height: 1.4;
}

.pub .authors {
  margin: 0 0 4px;
  font-size: 15px;
  color: #333;
}

.pub .venue {
  margin: 0 0 8px;
  font-size: 14.5px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.pub .blurb {
  margin: 0 0 8px;
  font-size: 15px;
  color: #444;
}

.pub-links { margin: 0; font-size: 15px; }

.pub.compact h3 { font-size: 16px; }


/* ---------- timeline (experience / honors) ---------- */
ul.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

ul.timeline li {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 9px 0;
}

.ico {
  flex: 0 0 140px;
  width: 140px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.ico img {
  max-width: 132px;
  max-height: 34px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.ico svg { width: 20px; height: 20px; }

.entry p { margin: 0; }
.entry .role { font-weight: 600; font-size: 15.5px; line-height: 1.45; }
.entry .org { color: var(--muted); font-size: 15px; line-height: 1.45; }
.entry .when { flex: none; color: #8a8a8a; font-size: 13.5px; margin-top: 1px; }

/* 共一标记 */
sup { font-size: 0.72em; vertical-align: super; line-height: 0; color: #b45309; }
.equal-note { margin: 2px 0 6px; font-size: 13px; color: #9a9a9a; }

/* 论文配图：视频 */
.pub-thumb video {
  width: 100%;
  display: block;
  border-radius: 4px;
  border: 1px solid var(--rule);
  background: #000;
}

/* ---------- footer ---------- */
footer {
  margin-top: 44px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  color: #9a9a9a;
  font-size: 13px;
}
footer p { margin: 0; }

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .page { padding: 32px 18px; }
  .intro { flex-direction: column-reverse; align-items: center; gap: 18px; }
  .intro-photo { width: 150px; flex: none; }
  .intro-photo img { width: 150px; height: auto; }
  h1 { text-align: center; font-size: 25px; }
  .pub { flex-direction: column; gap: 12px; }
  .pub-thumb, .pub-thumb img, .pub-thumb video { width: 100%; flex: none; }
  .date, .when { flex: 0 0 76px; font-size: 13px; }
}