:root {
  --bg: #ffffff;
  --card: #ffffff;
  --text: #161616;
  --muted: #666666;
  --line: #e5e5e5;
  --accent: #2f5f8f;
  --accent-light: #f1f5f9;
  --shadow: none;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.68;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(47, 95, 143, 0.05), transparent 42rem);
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  width: min(900px, 92vw);
  margin: 0 auto;
  padding: 3.2rem 0 2.2rem;
}

.profile-section {
  display: grid;
  grid-template-columns: 175px minmax(0, 1fr);
  gap: 2.2rem;
  align-items: center;
  padding: 0 0 1.6rem;
  background: var(--card);
  border: 0;
  border-bottom: 2px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}

.photo-wrap {
  width: 170px;
  aspect-ratio: 4 / 5;
  margin: 0 auto;
  padding: 0;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.profile-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 0;
}

.label {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.title {
  margin: 0.45rem 0 0.9rem;
  color: var(--muted);
  font-size: 1.08rem;
  font-weight: 600;
}

.bio {
  margin: 0;
  color: #2c3547;
  font-size: 1rem;
  text-align: justify;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.15rem;
}

.links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.2rem;
  padding: 0.38rem 0.85rem;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(31, 78, 121, 0.16);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
}

.section {
  margin-top: 1.6rem;
  padding: 0 0 1.55rem;
  background: var(--card);
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.95rem;
}

.section-title span {
  display: none;
}

h2 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.25;
}

.achievement-summary {
  margin: 0 0 1.2rem;
  color: #2c3547;
  text-align: justify;
}

.publication-list {
  margin: 0;
  padding-left: 1.35rem;
}

.publication-item {
  padding: 0.78rem 0;
  border-top: 1px solid var(--line);
}

.publication-item:first-child {
  border-top: 0;
}

.publication-title {
  display: block;
  color: var(--text);
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.55;
}

.publication-title:hover {
  color: var(--accent);
}

.publication-authors,
.publication-venue,
.publication-note {
  margin: 0.18rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.publication-venue {
  color: #334055;
  font-weight: 650;
}

.publication-note {
  color: var(--accent);
}

.project-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.project-card {
  padding: 0.95rem 0;
  background: #ffffff;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
}

.project-role {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
}

.project-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.02rem;
  line-height: 1.45;
}

.project-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
  text-align: justify;
}

.footer {
  width: min(980px, 90vw);
  margin: 0 auto;
  padding: 0 0 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

@media (max-width: 820px) {
  .page {
    padding-top: 2rem;
  }

  .profile-section {
    grid-template-columns: 1fr;
    gap: 1.8rem;
    padding: 1.5rem;
  }

  .photo-wrap {
    width: min(170px, 100%);
    max-width: 170px;
  }

  .section {
    padding: 1.5rem;
  }

  .project-list {
    grid-template-columns: 1fr;
  }
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 2.1rem;
  padding: 0.35rem 0.8rem;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(31, 78, 121, 0.16);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
}

.timeline-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.timeline-card {
  padding: 1.15rem;
  background: #fbfcff;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
}

.timeline-period {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
}

.timeline-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.02rem;
  line-height: 1.45;
}

.timeline-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.honor-list {
  margin: 0;
  padding-left: 1.35rem;
  color: #2c3547;
}

.honor-list li {
  padding: 0.45rem 0;
  line-height: 1.65;
}

@media (max-width: 820px) {
  .timeline-list {
    grid-template-columns: 1fr;
  }
}


/* Compact academic CV version */
.label {
  text-transform: none;
}

.bio,
.achievement-summary,
.project-desc {
  text-align: left;
}

.links a {
  min-height: 2rem;
  padding: 0.3rem 0.72rem;
  border-radius: 8px;
}

.tag-list span {
  border-radius: 8px;
}

.footer {
  border: 0;
}