:root {
  --text: #24282c;
  --muted: #667078;
  --accent: #315d83;
  --accent-dark: #173e60;
  --line: #dce1e5;
  --soft: #f4f7f9;
  --sidebar: 330px;
  --page: 960px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16.5px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent-dark);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 8px 12px;
  background: var(--text);
  color: #fff;
}

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

.profile-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar);
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: var(--soft);
}

.profile-inner {
  padding: 40px 34px 36px;
}

.profile-photo {
  display: block;
  width: 138px;
  height: 174px;
  margin-bottom: 21px;
  border: 1px solid #cfd6db;
  border-radius: 3px;
  object-fit: cover;
  object-position: center 24%;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.27;
}

.profile-sidebar h1 {
  margin-bottom: 5px;
  font-size: 1.82rem;
  letter-spacing: -0.035em;
}

.profile-sidebar h1 span {
  font-size: 0.68em;
  font-weight: 500;
  letter-spacing: 0;
}

.sidebar-role {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.sidebar-section {
  padding: 19px 0 2px;
  border-top: 1px solid var(--line);
}

.sidebar-section + .sidebar-section {
  margin-top: 15px;
}

.sidebar-section h2 {
  margin-bottom: 11px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-list {
  display: grid;
  gap: 8px;
  font-style: normal;
}

.contact-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: baseline;
  color: var(--text);
  font-size: 0.78rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
  text-decoration-color: #aebbc5;
}

.contact-list span {
  color: var(--accent);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.compact-list {
  margin: 0;
  padding-left: 1.05em;
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.45;
}

.compact-list li {
  margin: 5px 0;
}

.education-list {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.education-list li {
  display: grid;
}

.education-list time {
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.education-list strong {
  margin: 1px 0;
  font-size: 0.82rem;
}

.education-list span {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.4;
}

.content-column {
  min-width: 0;
  margin-left: var(--sidebar);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  width: min(var(--page), calc(100% - 56px));
  min-height: 64px;
  margin: 0 auto;
  gap: 26px;
}

.header-inner a {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.header-inner a:hover {
  color: var(--accent);
}

main,
footer {
  width: min(var(--page), calc(100% - 56px));
  margin: 0 auto;
}

.section {
  padding: 50px 0;
  border-top: 1px solid var(--line);
}

.intro {
  padding-top: 54px;
  border-top: 0;
}

.section > h2 {
  margin-bottom: 27px;
  font-size: 1.72rem;
  letter-spacing: -0.025em;
}

.bio {
  max-width: 820px;
}

.bio p {
  margin-bottom: 15px;
}

.group-heading {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.collaborative-heading {
  margin-top: 45px;
}

sup {
  line-height: 0;
}

.works-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.works-list > li {
  display: grid;
  grid-template-columns: 164px minmax(0, 1fr);
  gap: 27px;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
}

.work-label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding-top: 2px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.03em;
}

.work-label time {
  color: var(--text);
  font-weight: 750;
}

.work-label span {
  color: var(--accent);
  font-weight: 750;
}

.work-thumb {
  display: block;
  width: 156px;
  height: 108px;
  margin-top: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--soft);
  text-decoration: none;
}

.work-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.work-content {
  min-width: 0;
}

.work-content h3 {
  margin-bottom: 8px;
  font-size: 1.07rem;
  font-weight: 670;
}

.work-content h3 a {
  color: var(--text);
  text-decoration-color: #aebbc5;
}

.work-content h3 a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.work-content p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.work-content .authors {
  margin-bottom: 5px;
  color: var(--text);
}

.work-content .authors strong {
  font-weight: 760;
}

.work-content .venue {
  line-height: 1.55;
}

.metric,
.work-content .venue strong {
  color: var(--accent);
  font-weight: 750;
}

.project-list,
.activities-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.project-list li,
.activities-list li {
  display: grid;
  grid-template-columns: 164px minmax(0, 1fr);
  gap: 27px;
  padding: 19px 0 21px;
  border-bottom: 1px solid var(--line);
}

.project-list time,
.activities-list time {
  color: var(--muted);
  font-size: 0.77rem;
  font-weight: 650;
  letter-spacing: 0.03em;
}

.project-list h3,
.activities-list h3 {
  margin-bottom: 5px;
  font-size: 1rem;
}

.project-list p,
.activities-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.project-list .entry-role {
  margin-bottom: 3px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.honors-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.honors-list li {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 24px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.honors-list > li > span {
  color: var(--muted);
  font-size: 0.77rem;
  font-weight: 650;
  letter-spacing: 0.03em;
}

.honors-list p {
  margin: 0;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 32px 0 38px;
  color: var(--muted);
  font-size: 0.74rem;
}

@media (max-width: 1080px) {
  :root {
    --sidebar: 286px;
  }

  .profile-inner {
    padding: 32px 24px;
  }

  .profile-photo {
    width: 120px;
    height: 151px;
  }

  .header-inner {
    gap: 18px;
  }

  .works-list > li,
  .project-list li,
  .activities-list li {
    grid-template-columns: 142px minmax(0, 1fr);
    gap: 22px;
  }

  .work-thumb {
    width: 134px;
    height: 96px;
  }
}

@media (max-width: 800px) {
  html {
    scroll-padding-top: 72px;
  }

  body {
    font-size: 16px;
  }

  .profile-sidebar {
    position: static;
    width: auto;
    overflow: visible;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .profile-inner {
    width: min(720px, calc(100% - 40px));
    margin: 0 auto;
    padding: 34px 0 30px;
  }

  .profile-photo {
    width: 112px;
    height: 141px;
  }

  .content-column {
    margin-left: 0;
  }

  .header-inner {
    width: 100%;
    min-height: 58px;
    padding: 0 20px;
    gap: 19px;
    overflow-x: auto;
  }

  main,
  footer {
    width: min(720px, calc(100% - 36px));
  }

  .section {
    padding: 42px 0;
  }

  .intro {
    padding-top: 42px;
  }

  .works-list > li {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 16px;
  }

  .work-thumb {
    width: 96px;
    height: 72px;
    margin-top: 8px;
  }

  .project-list li,
  .activities-list li,
  .honors-list li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  footer {
    flex-direction: column;
    gap: 4px;
  }
}

@media (max-width: 480px) {
  .works-list > li {
    grid-template-columns: 86px minmax(0, 1fr);
    gap: 13px;
  }

  .work-thumb {
    width: 84px;
    height: 64px;
  }

  .work-content h3 {
    font-size: 1rem;
  }
}

@media print {
  .profile-sidebar {
    position: static;
    width: auto;
    overflow: visible;
    border-right: 0;
  }

  .content-column {
    margin-left: 0;
  }

  .site-header,
  .skip-link {
    display: none;
  }

  main,
  footer {
    width: 100%;
  }

  a {
    color: inherit;
  }
}