@font-face {
  font-family: "Plex Mono";
  src: url("/assets/fonts/plexmono-latin-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Plex Mono";
  src: url("/assets/fonts/plexmono-latin-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: light dark;
  --paper: #e9edef;
  --sheet: #fafbfa;
  --ink: #15181a;
  --muted: #596168;
  --faint: #687178;
  --line: #d0d5d8;
  --line-strong: #98a0a6;
  --accent: #91362f;
  --accent-soft: #eee2e0;
  --sans: "Geist Variable", "PingFang SC", "Noto Sans SC Variable", "Noto Sans SC", "Microsoft YaHei", ui-sans-serif, sans-serif;
  --mono: "Plex Mono", "Noto Sans SC Variable", "PingFang SC", "Microsoft YaHei", "SFMono-Regular", Consolas, monospace;
  --content: 1120px;
}

html[lang="zh-CN"] {
  --sans: "Geist Variable", "PingFang SC", "Noto Sans SC Variable", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.62;
  font-kerning: normal;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

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

button {
  color: inherit;
  font: inherit;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  color: var(--sheet);
  background: var(--ink);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

.page-shell {
  width: min(calc(100% - 32px), var(--content));
  margin: 24px auto 56px;
  background: var(--sheet);
  border: 1px solid var(--line);
  box-shadow: 0 22px 70px rgb(37 48 54 / 9%);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: 10px 28px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  gap: 11px;
  align-items: center;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.075em;
  text-decoration: none;
  text-transform: uppercase;
}

.seal {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  font-family: "Songti SC", "STSong", "Noto Sans SC Variable", serif;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  transform: rotate(-2deg);
}

.nav-actions {
  display: flex;
  gap: 18px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.nav-actions a,
.print-button {
  padding: 4px 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}

.nav-actions a:hover,
.print-button:hover {
  color: var(--accent);
  border-bottom-color: currentColor;
}

.page-content {
  padding: 0 28px;
}

.focus-nav {
  display: flex;
  gap: 20px;
  align-items: baseline;
  padding: 15px 0;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
}

.focus-nav > span {
  margin-right: auto;
  color: var(--faint);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.focus-nav a {
  text-decoration: none;
}

.focus-nav a[aria-current="page"] {
  color: var(--accent);
  box-shadow: 0 1px 0 var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  column-gap: 72px;
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line-strong);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(52px, 6.2vw, 76px);
  font-weight: 640;
  letter-spacing: -0.058em;
  line-height: 0.98;
}

html[lang="zh-CN"] .hero h1 {
  letter-spacing: -0.07em;
}

.role {
  margin: 28px 0 0;
  font-size: clamp(21px, 2.3vw, 30px);
  font-weight: 620;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.specialty {
  margin: 7px 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding-top: 4px;
}

.verification-mark {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 2px solid var(--accent);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.verification-mark strong {
  color: var(--accent);
  font-size: 10px;
}

.contact-list {
  display: grid;
  gap: 8px;
  font-size: 12px;
}

.contact-list a,
.contact-list .location {
  display: flex;
  gap: 8px;
  align-items: center;
  min-width: 0;
  text-decoration: none;
}

.contact-list a span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.contact-phone {
  gap: 6px;
}

.contact-phone small {
  flex: 0 0 auto;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1;
}

.contact-list .location {
  color: var(--muted);
}

.hero-statement {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  column-gap: 72px;
  margin-top: 54px;
}

.hero-statement p {
  max-width: 710px;
  margin: 0;
  font-size: clamp(21px, 2.2vw, 29px);
  font-weight: 525;
  letter-spacing: -0.027em;
  line-height: 1.42;
}

.hero-statement .thesis {
  align-self: end;
  color: var(--muted);
  font-size: 14px;
  font-weight: 450;
  letter-spacing: 0;
  line-height: 1.65;
}

.section-block {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 27px;
}

.section-heading h2,
.evidence-strip h2,
.brief-footer h2 {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.085em;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.career-section .section-heading p {
  max-width: 680px;
}

body[data-mode="evidence"] .career-section .section-heading {
  display: grid;
  justify-content: start;
  gap: 8px;
}

body[data-mode="evidence"] .career-section .section-heading p {
  text-align: left;
}

.evidence-strip {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 40px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-strong);
}

.evidence-lines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.evidence-lines > div {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 0 20px;
  border-left: 1px solid var(--line);
}

.evidence-lines strong {
  font-size: 14px;
}

.evidence-lines span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.timeline {
  display: grid;
}

.timeline-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 40px;
  padding: 23px 0;
  border-top: 1px solid var(--line);
}

.timeline-item:first-child {
  border-top-color: var(--line-strong);
}

.timeline-meta {
  display: grid;
  align-content: start;
  gap: 6px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.02em;
}

.timeline-body h3 {
  display: inline;
  margin: 0;
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.018em;
}

.timeline-role {
  display: inline;
  margin: 0 0 0 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 540;
}

.timeline-body > p:not(.timeline-role) {
  max-width: 740px;
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.brief-projects {
  display: grid;
}

.brief-project {
  padding: 23px 0;
  border-top: 1px solid var(--line);
}

.brief-project:first-child {
  border-top-color: var(--line-strong);
}

.project-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 28px;
}

.project-heading h3 {
  margin: 0;
  font-size: clamp(22px, 2.4vw, 31px);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.project-heading h3 a {
  text-decoration: none;
}

.project-heading > div > p:not(.eyebrow):not(.project-role-label) {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.project-heading .project-role-label {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 11px;
}

.project-status {
  display: grid;
  flex: 0 0 auto;
  gap: 5px;
  justify-items: end;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.4;
}

.project-status strong {
  color: var(--faint);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.project-one-line {
  max-width: 760px;
  margin: 13px 0 0;
  font-size: 14px;
  font-weight: 560;
}

.brief-project ul {
  display: grid;
  gap: 5px;
  max-width: 790px;
  margin: 10px 0 0;
  padding-left: 1.2em;
  color: var(--muted);
  font-size: 12px;
}

.project-footer {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-top: 12px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
}

.project-footer a {
  display: inline-flex;
  gap: 5px;
  align-items: center;
  flex: 0 0 auto;
  color: var(--accent);
  text-decoration: none;
}

.project-footer .artifact-links {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: end;
}

.brief-footer {
  display: grid;
  grid-template-columns: 1.15fr 0.72fr 0.63fr;
  gap: 30px;
}

.brief-footer p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.brief-index-link {
  color: var(--accent);
  text-decoration: none;
}

.agent-handoff {
  display: none;
}

.evidence-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 40px;
}

.evidence-aside {
  padding: 44px 0;
  border-right: 1px solid var(--line);
}

.aside-sticky {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 7px;
  padding-right: 28px;
  font-family: var(--mono);
  font-size: 10px;
}

.aside-sticky > a,
.aside-machine a {
  padding: 3px 0;
  color: var(--muted);
  text-decoration: none;
}

.aside-sticky > a:hover,
.aside-machine a:hover {
  color: var(--accent);
}

.aside-machine {
  display: grid;
  gap: 3px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.aside-machine span {
  margin-bottom: 6px;
  color: var(--faint);
  text-transform: uppercase;
}

.verified-date {
  margin: 22px 0 0;
  padding-top: 18px;
  color: var(--faint);
  border-top: 1px solid var(--line);
  font-size: 9px;
}

.verified-date strong {
  color: var(--accent);
}

.evidence-main {
  min-width: 0;
}

.systems-section > .evidence-project {
  margin-top: 64px;
}

.systems-section > .evidence-project:first-of-type {
  margin-top: 0;
}

.evidence-project {
  scroll-margin-top: 30px;
  padding-top: 4px;
}

.project-lede {
  max-width: 760px;
  margin: 20px 0 26px;
  font-size: 18px;
  font-weight: 540;
  letter-spacing: -0.015em;
  line-height: 1.55;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.project-grid > div {
  min-height: 140px;
  padding: 23px 24px 23px 0;
  border-bottom: 1px solid var(--line);
}

.project-grid > div:nth-child(odd) {
  padding-right: 28px;
  border-right: 1px solid var(--line);
}

.project-grid > div:nth-child(even) {
  padding-left: 28px;
}

.project-grid > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.project-grid h4 {
  margin: 0 0 10px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-grid p,
.project-grid ul {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.project-grid ul {
  display: grid;
  gap: 7px;
  padding-left: 1.15em;
}

.project-grid .limitation {
  padding-left: 10px;
  border-left: 2px solid var(--accent);
}

.project-evidence {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
  padding-top: 15px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 9px;
}

.project-evidence > div {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  justify-content: end;
}

.project-evidence a,
.text-links a {
  display: inline-flex;
  gap: 5px;
  align-items: center;
  color: var(--accent);
  text-decoration: none;
}

.experiment {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  padding: 19px 0;
  border-top: 1px solid var(--line);
}

.experiment:first-of-type {
  border-top-color: var(--line-strong);
}

.experiment h3 {
  margin: 0;
  font-size: 16px;
}

.experiment h3 a {
  text-decoration: none;
}

.experiment p {
  max-width: 700px;
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.experiment-meta {
  display: grid;
  align-content: start;
  gap: 6px;
  justify-items: end;
  font-family: var(--mono);
  font-size: 9px;
}

.experiment-meta strong {
  color: var(--accent);
}

.experiment-meta a {
  display: inline-flex;
  gap: 5px;
  align-items: center;
  color: var(--muted);
  text-decoration: none;
}

.product-index-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) minmax(220px, 0.7fr);
  gap: 24px;
  align-items: baseline;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-strong);
  color: inherit;
  text-decoration: none;
}

.product-index-row strong {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-index-row span {
  font-size: 12px;
  font-weight: 560;
}

.product-index-row small {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 8px;
  line-height: 1.55;
}

.product-index-row:hover span,
.brief-index-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
}

.split-section > div + div {
  padding-left: 56px;
  border-left: 1px solid var(--line);
}

.split-section p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.text-links {
  display: grid;
  gap: 9px;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 9px;
}

.skills-list {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 12px 18px;
  margin: 0;
  font-size: 11px;
}

.skills-list dt {
  color: var(--accent);
  font-family: var(--mono);
}

.skills-list dd {
  margin: 0;
  color: var(--muted);
}

.education-line {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 18px;
  margin-top: 24px;
  padding-top: 19px;
  border-top: 1px solid var(--line);
  font-size: 11px;
}

.education-line strong {
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 400;
}

.education-line span {
  color: var(--muted);
}

.register-section {
  border-bottom: 0;
}

.disclosure-summary {
  cursor: pointer;
  list-style: none;
  margin-bottom: 0;
}

.disclosure-summary::-webkit-details-marker {
  display: none;
}

.disclosure-section[open] > .disclosure-summary {
  margin-bottom: 27px;
}

.when-open {
  display: none;
}

.disclosure-section[open] .when-closed {
  display: none;
}

.disclosure-section[open] .when-open {
  display: inline;
}

.claim-list {
  border-top: 1px solid var(--line-strong);
}

.claim-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 36px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.claim-row code {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 9px;
}

.claim-row p {
  max-width: 690px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.claim-meta {
  display: grid;
  align-content: start;
  gap: 5px;
  font-family: var(--mono);
  font-size: 8px;
}

.claim-meta strong {
  color: var(--accent);
  font-weight: 600;
}

.claim-meta span {
  color: var(--faint);
}

.claim-meta a {
  display: inline-flex;
  gap: 5px;
  align-items: center;
  color: var(--muted);
  text-decoration: none;
}

.register-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.register-list a,
.register-list .attestation-record {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.register-list > :nth-child(odd) {
  padding-right: 28px;
  border-right: 1px solid var(--line);
}

.register-list > :nth-child(even) {
  padding-left: 28px;
}

.register-list span {
  font-size: 11px;
  font-weight: 580;
}

.register-list small {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 8px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: 14px 28px;
  color: var(--faint);
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 9px;
}

.footer-links {
  display: flex;
  align-items: center;
}

.footer-links a + a {
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

body[data-mode="brief"] .page-shell {
  max-width: 920px;
  box-shadow: none;
}

body[data-mode="brief"] .hero {
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.48fr);
  column-gap: 48px;
  padding: 36px 0 27px;
}

body[data-mode="brief"] .hero h1 {
  font-size: clamp(42px, 5.5vw, 54px);
  letter-spacing: -0.05em;
  line-height: 1;
}

body[data-mode="brief"] .role {
  margin-top: 14px;
  font-size: 19px;
}

body[data-mode="brief"] .specialty {
  margin-top: 5px;
  font-size: 11px;
}

body[data-mode="brief"] .hero-side {
  gap: 0;
  padding-top: 2px;
}

body[data-mode="brief"] .contact-list {
  gap: 6px;
  padding-top: 11px;
  border-top: 2px solid var(--accent);
  font-size: 11px;
}

body[data-mode="brief"] .hero-statement {
  grid-template-columns: 1fr;
  margin-top: 22px;
}

body[data-mode="brief"] .hero-statement p {
  max-width: 760px;
  font-size: 16px;
  line-height: 1.5;
}

body[data-mode="brief"] .section-heading h2,
body[data-mode="brief"] .evidence-strip h2,
body[data-mode="brief"] .brief-footer h2 {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 660;
  letter-spacing: -0.01em;
  text-transform: none;
}

body[data-mode="brief"] .section-block {
  padding: 23px 0;
}

body[data-mode="brief"] .section-heading {
  margin-bottom: 11px;
}

body[data-mode="brief"] .evidence-strip {
  grid-template-columns: 140px 1fr;
  gap: 26px;
  padding: 20px 0;
}

body[data-mode="brief"] .evidence-lines > div {
  padding: 0 16px;
}

body[data-mode="brief"] .evidence-lines strong {
  font-size: 13px;
}

body[data-mode="brief"] .evidence-lines span {
  font-size: 9px;
  line-height: 1.5;
}

body[data-mode="brief"] .timeline-item {
  grid-template-columns: minmax(0, 1fr) 165px;
  gap: 24px;
  padding: 13px 0;
}

body[data-mode="brief"] .brief-timeline-item .timeline-meta {
  justify-items: end;
  text-align: right;
}

body[data-mode="brief"] .timeline-body h3 {
  font-size: 15px;
}

body[data-mode="brief"] .timeline-role {
  font-size: 11px;
}

body[data-mode="brief"] .timeline-body > p:not(.timeline-role) {
  max-width: 650px;
  margin-top: 5px;
  font-size: 11px;
  line-height: 1.5;
}

body[data-mode="brief"] .brief-project {
  padding: 14px 0;
}

body[data-mode="brief"] .project-heading h3 {
  font-size: 18px;
}

body[data-mode="brief"] .project-one-line {
  margin-top: 10px;
  font-size: 13px;
}

body[data-mode="brief"] .brief-project ul {
  margin-top: 7px;
  font-size: 11px;
}

body[data-mode="brief"] .project-status strong {
  color: var(--accent);
  text-transform: none;
}

body[data-mode="brief"] .brief-footer {
  gap: 28px;
}

body[data-mode="brief"] .brief-footer p {
  margin-top: 7px;
  line-height: 1.55;
}

.brief-skills {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 5px 10px;
  margin: 7px 0 0;
  font-size: 10px;
  line-height: 1.5;
}

.brief-skills dt {
  color: var(--ink);
  font-weight: 650;
}

.brief-skills dd {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 820px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--content));
    margin-top: 10px;
  }

  .page-content {
    padding: 0 20px;
  }

  .site-nav,
  .site-footer {
    padding-right: 20px;
    padding-left: 20px;
  }

  .hero,
  body[data-mode="brief"] .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 44px;
  }

  body[data-mode="brief"] .hero {
    gap: 20px;
  }

  body[data-mode="brief"] .hero-side {
    display: block;
  }

  .hero-side {
    display: grid;
    grid-template-columns: minmax(180px, 0.75fr) minmax(0, 1.25fr);
  }

  .hero-statement {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 8px;
  }

  .evidence-layout {
    grid-template-columns: 1fr;
  }

  .evidence-aside {
    display: none;
  }

  .evidence-strip {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .evidence-lines > div:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .timeline-item,
  body[data-mode="brief"] .timeline-item {
    grid-template-columns: 135px 1fr;
    gap: 20px;
  }

  body[data-mode="brief"] .brief-timeline-item {
    grid-template-columns: minmax(0, 1fr) 150px;
  }

  .split-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .split-section > div + div {
    padding: 40px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 14px;
  }

  .page-shell {
    width: 100%;
    margin: 0;
    border-right: 0;
    border-left: 0;
    box-shadow: none;
  }

  .nav-actions {
    gap: 12px;
  }

  .print-button {
    display: none;
  }

  .focus-nav {
    gap: 14px;
    overflow-x: auto;
  }

  .focus-nav > span {
    display: none;
  }

  .career-section .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .career-section .section-heading p {
    text-align: left;
  }

  .hero h1 {
    font-size: 44px;
  }

  body[data-mode="brief"] .hero h1 {
    font-size: 40px;
  }

  body[data-mode="brief"] .evidence-strip {
    grid-template-columns: 1fr;
    gap: 9px;
    padding: 17px 0;
  }

  body[data-mode="brief"] .evidence-lines > div,
  body[data-mode="brief"] .evidence-lines > div:first-child {
    padding: 8px 0;
  }

  .hero-main > .eyebrow {
    display: none;
  }

  .hero,
  body[data-mode="brief"] .hero {
    gap: 20px;
    padding-top: 28px;
    padding-bottom: 24px;
  }

  .role,
  body[data-mode="brief"] .role {
    margin-top: 14px;
    font-size: 20px;
  }

  .hero-side {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 12px;
    font-size: 10px;
  }

  .contact-list a {
    min-height: 24px;
  }

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

  .contact-list .contact-phone {
    grid-column: 1;
    grid-row: 2;
  }

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

  .contact-list .contact-github {
    grid-column: 1;
    grid-row: 3;
  }

  .contact-list .contact-website {
    grid-column: 2;
    grid-row: 3;
  }

  .contact-list .location {
    padding-left: 0;
  }

  .hero-statement p {
    font-size: 17px;
  }

  .hero-statement .thesis,
  body[data-mode="brief"] .hero-statement .thesis {
    margin-top: 4px;
    font-size: 11px;
  }

  .evidence-lines {
    grid-template-columns: 1fr;
  }

  .evidence-lines > div,
  .evidence-lines > div:first-child {
    padding: 9px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .timeline-item,
  body[data-mode="brief"] .timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  body[data-mode="brief"] .brief-timeline-item .timeline-meta {
    grid-template-columns: auto 1fr;
    justify-items: start;
    text-align: left;
  }

  .timeline-meta {
    grid-template-columns: auto 1fr;
  }

  .project-heading {
    gap: 16px;
  }

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

  .project-grid > div,
  .project-grid > div:nth-child(odd),
  .project-grid > div:nth-child(even) {
    min-height: 0;
    padding: 19px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .project-grid > div:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .project-grid > div:last-child {
    border-bottom: 0;
  }

  .project-evidence,
  .project-footer {
    align-items: start;
    flex-direction: column;
    gap: 10px;
  }

  .project-evidence > div {
    justify-content: start;
  }

  .experiment {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .product-index-row {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .claim-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .experiment-meta {
    justify-items: start;
  }

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

  .register-list > :nth-child(odd),
  .register-list > :nth-child(even) {
    padding-right: 30px;
    padding-left: 0;
    border-right: 0;
  }

  .brief-footer {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .brief-footer p {
    font-size: 12px;
  }

  .brief-skills {
    grid-template-columns: 92px minmax(0, 1fr);
    font-size: 11px;
  }

  .site-footer {
    align-items: start;
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111416;
    --sheet: #191d20;
    --ink: #eef1f2;
    --muted: #b1b8bd;
    --faint: #8c959c;
    --line: #343b40;
    --line-strong: #5f6870;
    --accent: #e47b72;
    --accent-soft: #3a2826;
  }

  .page-shell {
    box-shadow: 0 18px 60px rgb(0 0 0 / 22%);
  }

  body[data-mode="brief"] .page-shell {
    box-shadow: none;
  }
}

@page {
  size: A4;
  margin: 9mm 11mm;
}

@media print {
  :root {
    color-scheme: light;
    --paper: #fff;
    --sheet: #fff;
    --ink: #111;
    --muted: #4f555a;
    --faint: #70777c;
    --line: #d2d5d7;
    --line-strong: #959b9f;
    --accent: #94241d;
    --accent-soft: #f4e9e8;
    --sans: "Geist Variable", "Noto Sans SC Variable", "Noto Sans SC", sans-serif;
  }

  html[lang="zh-CN"] {
    --sans: "Geist Variable", "Noto Sans SC Variable", "Noto Sans SC", sans-serif;
  }

  html,
  body {
    width: 210mm;
    min-height: 297mm;
    background: #fff;
  }

  body {
    font-size: 10pt;
  }

  .page-shell {
    width: auto;
    max-width: none;
    margin: 0;
    border: 0;
    box-shadow: none;
  }

  .site-nav,
  .focus-nav,
  .site-footer,
  .evidence-aside,
  .skip-link {
    display: none;
  }

  .page-content {
    padding: 0;
  }

  a {
    text-decoration: none;
  }

  body[data-mode="brief"] .hero {
    grid-template-columns: minmax(0, 1fr) minmax(56mm, 0.45fr);
    column-gap: 10mm;
    padding: 0 0 3.4mm;
  }

  body[data-mode="brief"] .hero-side {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding-top: 1mm;
  }

  body[data-mode="brief"] .hero-statement {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
  }

  body[data-mode="brief"] .hero h1 {
    font-size: 27pt;
  }

  body[data-mode="brief"] .role {
    margin-top: 2mm;
    font-size: 11.5pt;
  }

  body[data-mode="brief"] .specialty,
  body[data-mode="brief"] .contact-list {
    font-size: 8.4pt;
  }

  body[data-mode="brief"] .contact-list {
    padding-top: 0;
    border-top: 0;
  }

  body[data-mode="brief"] .hero-statement {
    margin-top: 2.2mm;
  }

  body[data-mode="brief"] .hero-statement p {
    font-size: 9.4pt;
  }

  body[data-mode="brief"] .evidence-strip {
    grid-template-columns: 31mm 1fr;
    gap: 4mm;
    padding: 3.2mm 0;
  }

  body[data-mode="brief"] .evidence-lines {
    grid-template-columns: repeat(3, 1fr);
  }

  body[data-mode="brief"] .evidence-lines span {
    font-size: 7.8pt;
    line-height: 1.35;
  }

  body[data-mode="brief"] .evidence-lines > div,
  body[data-mode="brief"] .evidence-lines > div:first-child {
    padding: 0 3mm;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  body[data-mode="brief"] .section-block {
    padding: 2.5mm 0;
  }

  body[data-mode="brief"] .timeline-item {
    grid-template-columns: minmax(0, 1fr) 40mm;
    gap: 5mm;
    padding: 1.4mm 0;
  }

  body[data-mode="brief"] .brief-timeline-item .timeline-meta {
    justify-items: end;
    text-align: right;
  }

  body[data-mode="brief"] .timeline-body > p:not(.timeline-role) {
    margin-top: 0.9mm;
    font-size: 8.8pt;
    line-height: 1.4;
  }

  body[data-mode="brief"] .brief-project {
    padding: 1.6mm 0;
    break-inside: avoid;
  }

  body[data-mode="brief"] .brief-project ul {
    gap: 0;
    margin-top: 1.2mm;
    font-size: 8.6pt;
    line-height: 1.42;
  }

  body[data-mode="brief"] .project-one-line {
    margin-top: 1.5mm;
    font-size: 9.4pt;
  }

  body[data-mode="brief"] .project-footer {
    margin-top: 1.5mm;
    font-size: 7.5pt;
  }

  body[data-mode="brief"] .brief-skills {
    grid-template-columns: 17mm minmax(0, 1fr);
    gap: 0.7mm 1.5mm;
    margin-top: 1.2mm;
    font-size: 7.8pt;
    line-height: 1.35;
  }

  body[data-mode="brief"] .brief-footer {
    grid-template-columns: 1.05fr 0.9fr 0.62fr;
    gap: 6mm;
  }

  body[data-mode="brief"] .agent-handoff {
    display: block;
    margin-top: 1.8mm;
    padding-top: 1.2mm;
    color: var(--faint);
    border-top: 0.2mm solid var(--line);
    font-family: var(--mono);
    font-size: 6.6pt;
    letter-spacing: 0.005em;
    line-height: 1.35;
    break-inside: avoid;
  }

  body[data-mode="brief"] .agent-handoff a {
    color: inherit;
  }

  .evidence-layout {
    grid-template-columns: 1fr;
  }

  .evidence-project,
  .timeline-item,
  .experiment,
  .split-section > div {
    break-inside: avoid;
  }
}