:root {
  color-scheme: light;
  --bg: #f7f8f7;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #667085;
  --line: #d9dee6;
  --accent: #14736d;
  --accent-dark: #0f5752;
  --accent-warm: #b4602b;
  --soft: #eef6f4;
  --soft-warm: #f6efe9;
  --shadow: 0 18px 50px rgba(23, 32, 42, 0.08);
  --sidebar-width: 326px;
  font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(20, 115, 109, 0.07) 0, rgba(20, 115, 109, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, #ffffff 0, var(--bg) 420px);
  background-size: 48px 48px, auto;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.72;
}

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

a:hover,
a:focus-visible {
  color: var(--accent-warm);
}

:focus-visible {
  outline: 3px solid rgba(180, 96, 43, 0.34);
  outline-offset: 3px;
}

.site-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
}

.profile-panel {
  align-self: start;
  height: 100vh;
  position: sticky;
  top: 0;
  padding: 34px 26px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  overflow-y: auto;
}

.skip-link {
  position: absolute;
  left: 20px;
  top: 10px;
  transform: translateY(-140%);
  background: var(--ink);
  color: #fff;
  padding: 8px 10px;
  border-radius: 6px;
  z-index: 5;
}

.skip-link:focus {
  transform: translateY(0);
}

.profile-card {
  display: grid;
  gap: 20px;
}

.portrait {
  width: 168px;
  height: 216px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.identity h1 {
  margin: 0;
  font-size: 2.15rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.identity p {
  margin: 5px 0 0;
  color: var(--muted);
}

.roman-name {
  color: var(--accent-dark) !important;
  font-weight: 700;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.contact-list div {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.contact-list dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-list dd {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.profile-links a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 3px 9px;
  border: 1px solid rgba(20, 115, 109, 0.24);
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 800;
}

.profile-links a:hover,
.profile-links a:focus-visible {
  border-color: rgba(180, 96, 43, 0.4);
  background: var(--soft-warm);
  color: var(--accent-warm);
}

.section-nav {
  display: grid;
  gap: 4px;
  margin-top: 32px;
}

.section-nav a {
  display: block;
  padding: 9px 11px;
  border-left: 3px solid transparent;
  border-radius: 0 8px 8px 0;
  color: var(--muted);
  font-weight: 700;
}

.section-nav a:hover,
.section-nav a.is-active {
  background: var(--soft);
  border-left-color: var(--accent);
  color: var(--accent-dark);
}

.content {
  width: min(100%, 1040px);
  padding: 56px 42px 80px;
}

.section {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 30px;
}

.section:last-child {
  border-bottom: 0;
}

.intro-section {
  padding-top: 8px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-warm);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h2 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: clamp(1.5rem, 2.8vw, 2.45rem);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.lead {
  max-width: 850px;
  margin: 0;
  color: #2e3945;
  font-size: 1.08rem;
}

.highlight-grid,
.topic-grid,
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.topic-grid,
.service-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.highlight-grid article,
.topic-grid article,
.service-grid article {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.highlight-grid article:nth-child(2) {
  background: var(--soft);
}

.highlight-grid article:nth-child(3) {
  background: var(--soft-warm);
}

.highlight-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.highlight-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 1.1rem;
}

.highlight-grid p,
.topic-grid p,
.service-grid p {
  margin: 8px 0 0;
  color: var(--muted);
}

.timeline,
.compact-list,
.publication-list,
.project-list,
.award-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
}

.timeline time {
  color: var(--accent-dark);
  font-weight: 900;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.compact-list {
  display: grid;
  gap: 10px;
}

.compact-list li {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.compact-list span,
.award-list span {
  color: var(--accent-dark);
  font-weight: 900;
}

.section-note {
  margin: -6px 0 22px;
  color: var(--muted);
}

.publication-list {
  counter-reset: publication;
  display: grid;
  gap: 17px;
  margin-bottom: 28px;
}

.publication-list li {
  counter-increment: publication;
  position: relative;
  padding-left: 42px;
}

.publication-list li::before {
  content: counter(publication);
  position: absolute;
  left: 0;
  top: 2px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--soft);
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 28px;
  text-align: center;
}

em {
  color: #2e3945;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-left: 6px;
  padding: 2px 8px;
  border: 1px solid rgba(180, 96, 43, 0.3);
  border-radius: 999px;
  background: #fff8f3;
  color: #8d461d;
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.project-list {
  display: grid;
  gap: 14px;
}

.project-list li {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.project-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.project-list strong {
  color: var(--accent-dark);
}

.award-list {
  column-count: 2;
  column-gap: 34px;
}

.award-list li {
  break-inside: avoid;
  margin: 0 0 11px;
  padding-left: 0;
}

@media (max-width: 980px) {
  .site-shell {
    display: block;
  }

  .profile-panel {
    position: static;
    height: auto;
    padding: 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .profile-card {
    grid-template-columns: 126px minmax(0, 1fr);
    align-items: start;
  }

  .portrait {
    width: 126px;
    height: 162px;
    grid-row: span 2;
  }

  .contact-list {
    grid-column: 2;
  }

  .section-nav {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    margin-top: 22px;
    padding-bottom: 4px;
  }

  .section-nav a {
    border-left: 0;
    border-bottom: 3px solid transparent;
    border-radius: 8px 8px 0 0;
  }

  .section-nav a:hover,
  .section-nav a.is-active {
    border-left-color: transparent;
    border-bottom-color: var(--accent);
  }

  .content {
    width: 100%;
    padding: 38px 24px 64px;
  }

  .highlight-grid,
  .topic-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .profile-panel {
    padding: 20px;
  }

  .profile-card {
    grid-template-columns: 102px minmax(0, 1fr);
    gap: 15px;
  }

  .portrait {
    width: 102px;
    height: 132px;
  }

  .identity h1 {
    font-size: 1.78rem;
  }

  .contact-list {
    grid-column: 1 / -1;
  }

  .content {
    padding: 30px 18px 54px;
  }

  .section {
    padding: 26px 0;
  }

  .timeline li,
  .compact-list li,
  .project-list li {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .publication-list li {
    padding-left: 0;
    padding-top: 38px;
  }

  .publication-list li::before {
    top: 0;
  }

  .award-list {
    column-count: 1;
  }
}