:root {
  color-scheme: light;
  --background: oklch(98.5% 0.006 240);
  --surface: oklch(100% 0 0);
  --surface-muted: oklch(96% 0.009 240);
  --text: oklch(22% 0.018 248);
  --muted: oklch(48% 0.018 248);
  --line: oklch(88% 0.012 240);
  --accent: oklch(43% 0.08 205);
  --accent-soft: oklch(92% 0.03 205);
  --shadow: 0 18px 48px oklch(24% 0.02 240 / 8%);
  --max-width: 1120px;
  --font-family-serif: "Times New Roman", Times, "Noto Serif SC", "Songti SC", SimSun, serif;
  --base-font-size: 15px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: var(--font-family-serif);
  font-size: var(--base-font-size);
  line-height: 1.65;
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(180px, auto) 1fr auto;
  gap: 22px;
  align-items: center;
  min-height: 64px;
  padding: 0 max(24px, calc((100vw - var(--max-width)) / 2));
  border-bottom: 1px solid var(--line);
  background: oklch(100% 0 0 / 92%);
  backdrop-filter: blur(18px);
}

.site-name {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.86rem;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--accent);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
}

.language-button,
.primary-button,
.secondary-button {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.language-button {
  min-width: 40px;
  min-height: 28px;
  padding: 3px 9px;
  font-size: 0.8rem;
}

.language-button.is-active {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
}

.site-loading,
.load-error {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 80px auto;
}

.academic-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 42px;
  width: min(var(--max-width), calc(100% - 48px));
  margin: 42px auto 76px;
  align-items: start;
}

.profile-sidebar {
  position: sticky;
  top: 96px;
  padding: 0 0 32px;
  border-bottom: 1px solid var(--line);
}

.profile-photo {
  width: min(100%, 200px);
  margin: 0 0 20px;
  overflow: visible;
  border: 1px solid var(--line);
  background: var(--surface-muted);
}

.profile-photo img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  object-position: center center;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.profile-copy h1 {
  margin: 0;
  font-size: clamp(1.65rem, 4vw, 2.6rem);
  line-height: 1.1;
}

.role {
  margin: 12px 0 8px;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 650;
}

.location {
  margin: 0 0 18px;
  color: var(--muted);
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 22px;
}

.text-link {
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 4px;
}

.profile-details {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.profile-details li {
  display: grid;
  gap: 2px;
}

.detail-label {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
}

.detail-value {
  font-size: 0.9rem;
}

.tag-list,
.publication-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 2px 9px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.74rem;
}

.tag.subtle {
  background: var(--surface-muted);
}

.content-column {
  display: grid;
  gap: 38px;
  min-width: 0;
}

.section-block {
  padding-bottom: 38px;
  border-bottom: 1px solid var(--line);
}

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

.section-heading {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-bottom: 16px;
}

.section-heading h2 {
  margin: 0;
  font-size: 1rem;
}

.section-rule {
  flex: 1;
  min-width: 40px;
  display: block;
  height: 1px;
  background: var(--line);
}

.section-action {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 2px 9px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.section-action:hover {
  border-color: var(--accent);
}

.lead {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
}

.timeline-list,
.publication-list,
.plain-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-list li,
.entry-item {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 18px;
}

.timeline-list time,
.entry-item time {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.timeline-list p,
.entry-item p,
.plain-list li,
.section-block > p {
  margin: 0;
  color: var(--muted);
}

.research-list {
  display: grid;
  gap: 16px;
}

.research-item,
.publication-list li,
.entry-item {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.research-item:first-child,
.publication-list li:first-child,
.entry-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.research-item h3,
.entry-item h3 {
  margin: 0 0 6px;
  font-size: 0.96rem;
}

.research-item h3 {
  font-weight: 400;
}

.research-item p {
  margin: 0;
  color: var(--muted);
}

.publication-list {
  counter-reset: publication;
}

.publication-list li {
  position: relative;
  display: grid;
  gap: 6px;
  padding-left: 36px;
  counter-increment: publication;
}

.publication-list li::before {
  content: counter(publication);
  position: absolute;
  left: 0;
  top: 16px;
  width: 24px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

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

.publication-title {
  margin: 0;
  color: var(--text);
  font-weight: 700;
}

.publication-meta {
  margin: 0;
  color: var(--muted);
}

.publication-doi {
  width: fit-content;
  font-size: 0.8rem;
}

.contact-link {
  display: inline-block;
  margin-top: 14px;
}

.detail-page {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 42px auto 76px;
}

.detail-hero {
  display: grid;
  gap: 10px;
  padding-bottom: 28px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.detail-hero h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4.5vw, 2.7rem);
  line-height: 1.08;
}

.detail-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
}

.back-link {
  width: fit-content;
  font-size: 0.84rem;
}

.detail-list-block {
  border-bottom: 0;
}

.admin-shell {
  display: grid;
  grid-template-columns: minmax(320px, 480px) minmax(0, 1fr);
  gap: 28px;
  width: min(1440px, calc(100% - 48px));
  margin: 30px auto 56px;
  align-items: start;
}

.editor-panel,
.preview-panel {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.editor-panel {
  position: sticky;
  top: 92px;
  max-height: calc(100vh - 116px);
  overflow: auto;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.panel-heading h1,
.panel-heading h2 {
  margin: 0;
  font-size: 1.05rem;
}

.primary-button,
.secondary-button {
  min-height: 34px;
  padding: 6px 11px;
  border-color: var(--accent);
  background: var(--accent);
  color: white;
  font-weight: 700;
}

.secondary-button {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.editor-root {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.editor-section {
  display: grid;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.editor-section h2 {
  margin: 0;
  font-size: 0.94rem;
}

.field-row {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.field-row input,
.field-row textarea,
.editor-section textarea,
.import-box textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--text);
  padding: 9px 10px;
  outline-color: var(--accent);
  resize: vertical;
}

.editor-hint {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.image-picker {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.image-file-input {
  width: 100%;
  color: var(--muted);
  font-size: 0.82rem;
}

.section-order-list {
  display: grid;
  gap: 8px;
}

.section-order-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--surface-muted);
}

.section-order-item > span {
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 700;
}

.order-actions {
  display: inline-flex;
  gap: 6px;
}

.order-button {
  min-height: 28px;
  padding: 4px 8px;
  font-size: 0.78rem;
}

.order-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.import-box {
  padding: 0 20px 20px;
}

.import-box summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 700;
}

.import-box textarea {
  margin: 12px 0;
}

.preview-root {
  padding: 0 0 24px;
}

.preview-root .academic-layout {
  width: min(100%, 980px);
  margin: 24px auto;
  padding: 0 20px;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 28px;
}

.preview-root .profile-copy h1 {
  font-size: 1.7rem;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 14px 24px;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .academic-layout,
  .admin-shell,
  .preview-root .academic-layout {
    grid-template-columns: 1fr;
  }

  .profile-sidebar,
  .editor-panel {
    position: static;
  }

  .profile-photo {
    max-width: 200px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 18px;
  }

  .site-nav {
    gap: 10px 14px;
  }

  .academic-layout,
  .admin-shell {
    width: min(100% - 32px, var(--max-width));
    margin-top: 28px;
  }

  .timeline-list li,
  .entry-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .section-action {
    width: fit-content;
  }

  .panel-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}