:root {
  --paper: #f4f2eb;
  --ink: #272721;
  --muted: #66665d;
  --line: #d7d5cc;
  --accent: #c74326;
  --orange: #e65b39;
  --dark: #272a24;
  --serif: "Instrument Serif", Georgia, "Songti SC", serif;
  --sans: "DM Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
html[data-lang="en"] .zh,
html[data-lang="zh"] .en {
  display: none;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
}
img,
svg {
  display: block;
  max-width: 100%;
}
h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}
h1,
h2,
h3,
h4 {
  font-weight: 500;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 6px;
}
::selection {
  background: #efb09a;
  color: #272721;
}
.wrap {
  width: min(1320px, calc(100% - 112px));
  margin-inline: auto;
}
.eyebrow {
  font: 400 11px/1.7 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.site-header {
  height: 94px;
  width: calc(100% - 80px);
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -1.5px;
  white-space: nowrap;
}
.wordmark-dot {
  color: var(--accent);
}
.wordmark-cn {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 2px;
  margin-left: 11px;
}
.site-header nav {
  display: flex;
  gap: 34px;
  margin-left: auto;
  margin-right: 45px;
  font-size: 13px;
}
.site-header nav a,
.text-link {
  transition: color 0.2s;
}
.site-header nav a:hover,
.text-link:hover {
  color: var(--accent);
}
.header-actions {
  display: flex;
  gap: 22px;
  align-items: center;
}
.language {
  background: none;
  border: 0;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  font-size: 12px;
}
.nav-contact {
  display: flex;
  align-items: center;
  gap: 30px;
  background: var(--ink);
  color: var(--paper);
  padding: 11px 20px;
  font-size: 12px;
}
.nav-contact:hover {
  background: var(--accent);
}
.skip-link {
  position: fixed;
  z-index: 20;
  top: -100px;
  left: 16px;
  background: var(--ink);
  color: white;
  padding: 12px;
}
.skip-link:focus {
  top: 10px;
}
.hero {
  padding-top: 42px;
}
.hero-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--accent);
}
.location {
  font: 11px var(--mono);
  letter-spacing: 0.02em;
}
.location span {
  padding-left: 14px;
  font-size: 20px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 30px;
  padding-top: 44px;
  padding-bottom: 48px;
}
.hero-copy {
  position: relative;
  z-index: 1;
}
h1 {
  font-size: clamp(54px, 6.35vw, 94px);
  line-height: 1.01;
  letter-spacing: -0.061em;
  font-weight: 500;
}
h1 em {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.04em;
  white-space: nowrap;
  color: var(--accent);
}
.hero-description {
  max-width: 490px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 28px;
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 26px;
}
.button {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding: 14px 21px;
  font-size: 13px;
}
.button-dark {
  background: var(--ink);
  color: var(--paper);
  transition:
    background 0.2s,
    transform 0.2s;
}
.button-dark:hover {
  background: var(--accent);
  transform: translateY(-2px);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
  font-weight: 500;
}
.text-link > span:last-child {
  font-size: 20px;
  transition: transform 0.2s;
}
.text-link:hover > span:last-child {
  transform: translate(2px, -2px);
}
.hero-profile {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 35px;
}
.hero-profile img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 50%;
  filter: none;
}
.hero-profile strong {
  font-size: 13px;
  font-weight: 600;
}
.hero-profile strong span {
  font-weight: 400;
  margin-left: 5px;
}
.hero-profile p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}
.hero-art {
  position: relative;
  align-self: start;
  aspect-ratio: 0.91;
  background: #e56542;
  color: #4f251d;
  overflow: hidden;
  margin-top: 2px;
}
.art-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(#6830220d 1px, transparent 1px),
    linear-gradient(90deg, #6830220d 1px, transparent 1px);
  background-size: 40px 40px;
}
.system-art {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}
.art-orbit {
  transform-origin: 50% 49%;
  animation: orbit-in 1.8s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}
.art-label,
.art-coordinate,
.art-bottom {
  position: absolute;
  font: 10px/1.6 var(--mono);
  letter-spacing: 0.03em;
}
.art-top {
  top: 24px;
  left: 24px;
}
.art-coordinate {
  right: 19px;
  top: 50%;
  writing-mode: vertical-rl;
}
.art-bottom {
  bottom: 24px;
  left: 24px;
}
.art-cross {
  position: absolute;
  right: 21px;
  bottom: 19px;
  font-size: 35px;
  line-height: 1;
  font-weight: 300;
}
.company-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 3fr;
  align-items: center;
  gap: 40px;
  min-height: 110px;
}
.company-strip > .eyebrow {
  max-width: 150px;
  color: var(--muted);
}
.company-strip > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.company-strip > div > span {
  font-size: 21px;
  letter-spacing: -0.7px;
  font-weight: 600;
}
.company-strip > div > span:nth-child(2) {
  font-size: 27px;
  letter-spacing: -1.5px;
}
.company-strip > div > span:nth-child(3) {
  font-size: 25px;
  letter-spacing: -1.5px;
}
.company-strip > div > span:nth-child(4) {
  font-size: 17px;
  letter-spacing: 0.04em;
}
.company-strip > div > .freiburg {
  font-family: Georgia, serif;
  font-size: 10px;
  line-height: 1.15;
  letter-spacing: 0;
  font-weight: 400;
}
.freiburg b {
  font-size: 22px;
  font-weight: 400;
}
.now-dot {
  color: var(--accent);
  padding-left: 5px;
}
.work-section {
  padding-block: 100px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 36px;
  margin-bottom: 45px;
}
.section-heading .eyebrow {
  color: var(--muted);
  margin-bottom: 17px;
}
h2 {
  font-size: clamp(40px, 4.1vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.section-intro {
  max-width: 310px;
  color: var(--muted);
  font-size: 14px;
  padding-bottom: 3px;
}
.project {
  border: 1px solid var(--line);
}
.flagship {
  display: grid;
  grid-template-columns: 1.08fr 1fr;
}
.project-visual {
  position: relative;
  overflow: hidden;
}
.recall-visual {
  background: #deded2;
  padding: 24px 24px 26px;
  display: flex;
  flex-direction: column;
  min-height: 590px;
}
.visual-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font: 10px/1.5 var(--mono);
  letter-spacing: 0.015em;
}
.visual-pill {
  border: 1px solid #999b8b;
  border-radius: 20px;
  padding: 5px 9px;
  font-size: 8px;
  white-space: nowrap;
}
.recall-letter {
  font-family: var(--serif);
  font-size: 180px;
  letter-spacing: -20px;
  line-height: 1;
  position: relative;
  padding: 10px 0 0 17px;
}
.recall-letter > span {
  font-style: italic;
  color: #7c806c;
}
.recall-letter i {
  position: absolute;
  font-family: var(--sans);
  font-size: 90px;
  right: 14px;
  top: 34px;
  font-style: normal;
  font-weight: 300;
  color: #737862;
  letter-spacing: 0;
}
.recall-visual figure {
  position: relative;
  margin: 5px -85px 0 16px;
  transform: rotate(-4deg);
  transform-origin: center center;
}
.recall-visual figure img {
  width: 100%;
  height: auto;
  box-shadow: 0 18px 35px #33352420;
  border: 1px solid #cecebf;
  border-radius: 5px;
}
.recall-visual figcaption {
  font: 9px/1.5 var(--mono);
  color: #55584a;
  padding: 12px 3px;
}
.visual-footer {
  font: 9px/1.4 var(--mono);
  letter-spacing: 0.075em;
  margin-top: auto;
  padding-top: 40px;
}
.project-copy {
  padding: 36px 38px;
}
.project-copy > .eyebrow {
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 16px;
}
.project-copy h3 {
  font-size: 35px;
  letter-spacing: -1.4px;
  display: flex;
  justify-content: space-between;
}
.project-star {
  color: var(--accent);
  font-size: 32px;
  font-weight: 300;
}
.project-copy .project-deck {
  font-size: 23px;
  line-height: 1.35;
  letter-spacing: -0.6px;
  margin-top: 14px;
  color: var(--ink);
}
.project-copy > p:not([class]) {
  font-size: 14px;
  color: var(--muted);
  margin-top: 18px;
  line-height: 1.85;
}
.project-facts {
  display: flex;
  gap: 40px;
  padding-block: 25px;
  margin-block: 7px 15px;
  border-bottom: 1px solid var(--line);
}
.project-facts strong {
  display: block;
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -1px;
  line-height: 1.3;
}
.project-facts strong span {
  font-size: 17px;
  margin-left: 4px;
  color: var(--accent);
}
.project-facts small {
  display: block;
  font: 9px/1.6 var(--mono);
  color: var(--muted);
  margin-top: 5px;
}
.ownership {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 17px;
}
.project-copy > .text-link {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 5px;
}
details {
  border-top: 1px solid var(--line);
  margin-top: 24px;
}
summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  cursor: pointer;
  font-size: 12px;
  list-style: none;
}
summary::-webkit-details-marker {
  display: none;
}
summary > span:last-child {
  font-size: 20px;
  line-height: 1;
}
details[open] summary > span:last-child {
  transform: rotate(45deg);
}
.detail-body {
  padding-bottom: 22px;
  display: grid;
  gap: 20px;
}
.detail-body h4 {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 5px;
}
.detail-body p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}
.project-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-top: 26px;
}
.small-project .project-visual {
  height: 320px;
  padding: 23px 25px;
}
.small-project .project-copy {
  padding: 28px 32px 32px;
}
.small-project .project-copy h3 {
  font-size: 30px;
  letter-spacing: -1px;
}
.small-project .project-deck {
  font-size: 19px;
}
.proxy-visual {
  background: #292d26;
  color: #e5e6d9;
}
.proxy-visual .visual-heading {
  color: #b8bfa9;
  font-size: 9px;
}
.route-diagram {
  display: flex;
  align-items: center;
  flex-direction: column;
  padding-top: 12px;
  font: 8px var(--mono);
  position: relative;
}
.route-diagram > i {
  font-style: normal;
  color: #899279;
  padding-top: 7px;
  font-size: 22px;
  line-height: 1;
}
.route-hub {
  display: flex;
  position: relative;
  background: #dce4c1;
  color: #30352a;
  border-radius: 10px;
  width: 86px;
  height: 65px;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 45px;
  margin: 7px 0 20px;
  letter-spacing: -3px;
  box-shadow: 0 0 38px #dbe4ad0c;
}
.route-hub > span:not([class]) {
  font-style: italic;
  color: #6e7959;
}
.hub-dot {
  position: absolute;
  right: 6px;
  top: 6px;
  width: 4px;
  height: 4px;
  background: #758650;
  border-radius: 50%;
}
.route-branches {
  display: flex;
  width: 80%;
  justify-content: space-between;
  gap: 15px;
  position: relative;
}
.route-branches:before {
  content: "";
  position: absolute;
  top: -10px;
  left: 15%;
  right: 15%;
  height: 12px;
  border: 1px solid #69755a;
  border-bottom: 0;
}
.route-branches:after {
  content: "";
  position: absolute;
  top: -20px;
  height: 10px;
  left: 50%;
  border-left: 1px solid #69755a;
}
.route-branches span {
  border: 1px solid #69755a;
  background: #292d26;
  z-index: 1;
  padding: 7px 10px;
  border-radius: 4px;
  color: #bfc9ab;
}
.route-line {
  height: 17px;
  width: 1px;
  background: #69755a;
}
.route-output {
  letter-spacing: 1px;
  padding: 5px;
}
.proxy-visual .visual-footer {
  position: absolute;
  bottom: 18px;
  color: #aeb99d;
  padding-top: 0;
  font-size: 8px;
}
.ops-visual {
  background: #df7052;
  color: #36221b;
}
.ops-visual .visual-heading {
  font-size: 9px;
}
.ops-number {
  font-size: 140px;
  line-height: 1.03;
  letter-spacing: -9px;
  margin-top: 15px;
  display: flex;
  align-items: baseline;
  position: relative;
}
.ops-number > span:not([class]) {
  font-size: 39px;
  letter-spacing: -2px;
}
.ops-number > .ops-arrow {
  font-size: 90px;
  font-weight: 300;
  position: absolute;
  right: 20px;
  top: 5px;
}
.ops-visual > p {
  font-size: 12px;
  margin: 0 0 23px 5px;
}
.ops-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-block: 1px solid #57312640;
  padding: 11px 0;
  font: 10px var(--mono);
}
.ops-flow b {
  font-weight: 400;
  font-size: 17px;
}
.ops-visual .visual-footer {
  position: absolute;
  bottom: 18px;
  padding: 0;
  font-size: 8px;
}
.tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-block: 20px;
}
.tag {
  border: 1px solid var(--line);
  padding: 4px 9px;
  font: 9px/1.6 var(--mono);
  color: var(--muted);
}
.small-note {
  font-size: 10px;
  line-height: 1.7;
  color: var(--muted);
}
.project-copy > .small-note {
  margin-top: 12px;
}
.lab-note {
  display: grid;
  grid-template-columns: 150px 1fr 155px;
  gap: 25px;
  align-items: start;
  border-top: 1px solid var(--line);
  margin-top: 38px;
  padding-top: 24px;
}
.lab-note > .eyebrow {
  color: var(--muted);
  font-size: 10px;
}
.lab-note p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
}
.lab-note p strong {
  font-weight: 500;
  color: var(--ink);
}
.lab-note > .small-note {
  text-align: right;
}
.about-section {
  background: var(--dark);
  color: var(--paper);
  padding-block: 85px;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 70px;
}
.about-left > .eyebrow {
  color: #b7bbaa;
}
.about-symbol {
  font-size: 220px;
  line-height: 1;
  font-family: var(--serif);
  color: #e47955;
  transform: rotate(-28deg);
  width: 180px;
  margin-block: 28px 20px;
}
.about-caption {
  font: 11px/1.9 var(--mono);
  color: #b9beae;
}
.about-copy h2 {
  font-size: clamp(50px, 4.8vw, 68px);
}
.about-copy h2 em {
  font-family: var(--serif);
  font-weight: 400;
  color: #e6a28a;
}
.about-lead {
  font-size: 21px;
  line-height: 1.65;
  margin-top: 30px;
  max-width: 640px;
  letter-spacing: -0.25px;
}
.about-copy > p:not([class]) {
  font-size: 14px;
  color: #b7bbaa;
  margin-top: 20px;
  max-width: 610px;
}
.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  border-top: 1px solid #565b4c;
  padding-top: 25px;
  margin-top: 35px;
}
.strength-grid > div > span {
  font: 10px var(--mono);
  color: #e4a084;
}
.strength-grid h3 {
  font-size: 14px;
  margin-top: 15px;
  line-height: 1.4;
}
.strength-grid p {
  color: #b7bbaa;
  font-size: 11px;
  line-height: 1.8;
  margin-top: 10px;
}
.language-strip {
  display: flex;
  gap: 35px;
  margin-top: 35px;
  padding-top: 20px;
  border-top: 1px solid #565b4c;
  font-size: 11px;
}
.language-strip b {
  font: 10px var(--mono);
  font-weight: 400;
  margin-left: 9px;
  color: #b7bbaa;
}
.experience-section {
  padding-block: 100px 80px;
}
.timeline {
  border-top: 1px solid var(--line);
}
.timeline-row {
  display: grid;
  grid-template-columns: 170px 230px 1fr;
  gap: 24px;
  padding-block: 30px;
  border-bottom: 1px solid var(--line);
}
.timeline-date {
  font: 10px/1.8 var(--mono);
  padding-top: 6px;
  position: relative;
}
.timeline-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border: 1px solid var(--muted);
  border-radius: 50%;
  margin-right: 13px;
  vertical-align: 1px;
}
.timeline-dot.current {
  background: var(--accent);
  border-color: var(--accent);
}
.timeline-company h3 {
  font-size: 25px;
  letter-spacing: -0.6px;
  line-height: 1.3;
}
.timeline-company > span {
  font: 10px/1.6 var(--mono);
  color: var(--muted);
}
.timeline-content h4 {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  padding-top: 3px;
}
.timeline-content p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  margin-block: 8px;
}
.timeline-content .small-note {
  font-family: var(--mono);
  font-size: 9px;
}
.education-row {
  display: grid;
  grid-template-columns: 170px 1fr auto;
  gap: 24px;
  padding-block: 32px;
  align-items: start;
}
.education-row > .eyebrow {
  font-size: 10px;
  color: var(--muted);
  padding-top: 5px;
}
.education-row h3 {
  font-size: 19px;
  letter-spacing: -0.3px;
}
.education-row p {
  font-size: 12px;
  margin-top: 5px;
}
.education-row p.small-note {
  font-size: 11px;
  max-width: 470px;
  color: var(--muted);
}
.education-row .text-link {
  font-size: 11px;
}
.experience-section > details {
  margin-top: 0;
}
.experience-section .detail-body {
  grid-template-columns: repeat(3, 1fr);
  gap: 35px;
}
.fit-section {
  padding-bottom: 80px;
}
.fit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
}
.fit-card {
  padding: 30px 30px 26px 0;
  display: flex;
  flex-direction: column;
}
.fit-card + .fit-card {
  border-left: 1px solid var(--line);
  padding-left: 30px;
}
.fit-number {
  font: 10px var(--mono);
  color: var(--accent);
}
.fit-card h3 {
  font-size: 23px;
  letter-spacing: -0.7px;
  line-height: 1.35;
  margin-top: 26px;
}
.fit-card > p {
  font-size: 13px;
  color: var(--muted);
  margin-block: 17px 30px;
  line-height: 1.85;
}
.fit-role {
  font: 9px/1.8 var(--mono);
  margin-top: auto;
}
.offscreen {
  display: grid;
  grid-template-columns: 1fr 2fr 80px;
  gap: 30px;
  align-items: center;
  padding-block: 5px 75px;
}
.offscreen .eyebrow {
  color: var(--muted);
  font-size: 10px;
}
.offscreen > p:not([class]) {
  font-size: 22px;
  line-height: 1.5;
  letter-spacing: -0.35px;
}
.offscreen em {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 400;
  color: var(--accent);
}
.offscreen-seal {
  border: 1px solid var(--accent);
  color: var(--accent);
  width: 54px;
  height: 58px;
  display: grid;
  place-items: center;
  font-family: "Songti SC", serif;
  font-size: 34px;
  transform: rotate(5deg);
}
.contact {
  background: #e46644;
  color: #30211b;
  padding-top: 44px;
}
.contact-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.contact-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 40px;
  gap: 30px;
}
.contact h2 {
  font-size: clamp(45px, 6.3vw, 92px);
  line-height: 1.07;
  letter-spacing: -0.055em;
}
.contact h2 em {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.03em;
}
.contact-arrow {
  display: grid;
  place-items: center;
  border: 1px solid #55332670;
  flex-shrink: 0;
  width: 105px;
  height: 105px;
  border-radius: 50%;
  font-size: 66px;
  font-weight: 300;
  transition:
    background 0.2s,
    color 0.2s,
    transform 0.2s;
  line-height: 1;
}
.contact-arrow:hover {
  background: var(--ink);
  color: var(--paper);
  transform: rotate(5deg);
}
.contact-intro {
  font-size: 14px;
  margin-top: 24px;
  max-width: 530px;
}
.contact-links {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-block: 34px 42px;
}
.email-link {
  font-size: clamp(16px, 2.2vw, 30px);
  letter-spacing: -0.6px;
  display: flex;
  align-items: center;
  gap: 25px;
  border-bottom: 1px solid #55332690;
  padding-bottom: 5px;
}
.contact-links > div {
  display: flex;
  gap: 35px;
}
.contact .text-link:hover {
  color: #fdf3e9;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-block: 22px;
  border-top: 1px solid #55332650;
  font: 9px var(--mono);
}
.footer-bottom .text-link {
  font-size: 10px;
}
.footer-bottom .text-link > span:last-child {
  font-size: 16px;
}
.footer-bottom > span:nth-child(2) {
  opacity: 0.8;
}
html[data-lang="zh"] h1 {
  font-size: clamp(52px, 5.8vw, 84px);
  line-height: 1.2;
  letter-spacing: -0.055em;
}
html[data-lang="zh"] h1 em,
html[data-lang="zh"] h2 em,
html[data-lang="zh"] .offscreen em {
  font-family: "Songti SC", "STSong", serif;
  font-style: normal;
}
html[data-lang="zh"] .hero-description {
  max-width: 440px;
}
html[data-lang="zh"] h2 {
  line-height: 1.22;
}
html[data-lang="zh"] .about-lead {
  font-size: 20px;
  line-height: 1.9;
}
html[data-lang="zh"] .hero-art {
  align-self: center;
}
html[data-lang="zh"] .fit-card h3 {
  font-size: 22px;
}
html[data-lang="zh"] .eyebrow {
  letter-spacing: 0.08em;
}
@keyframes orbit-in {
  from {
    transform: rotate(-12deg) scale(0.88);
    opacity: 0;
  }
  to {
    transform: rotate(0) scale(1);
    opacity: 1;
  }
}
@media (min-width: 1500px) {
  .hero-grid {
    gap: 80px;
  }
  .hero-art {
    max-height: 510px;
    aspect-ratio: 0.96;
    justify-self: end;
    width: 100%;
  }
}
@media (max-width: 1100px) {
  .wrap {
    width: calc(100% - 72px);
  }
  .site-header {
    width: calc(100% - 48px);
  }
  .site-header nav {
    margin-right: 10px;
    gap: 23px;
  }
  .hero-grid {
    grid-template-columns: 1.35fr 1fr;
    gap: 26px;
  }
  .hero-description {
    font-size: 14px;
  }
  .hero-art {
    align-self: center;
  }
  .project-copy {
    padding: 28px;
  }
  .recall-visual {
    min-height: 590px;
  }
  .project-facts {
    gap: 25px;
  }
  .project-facts strong {
    font-size: 23px;
  }
  .company-strip {
    grid-template-columns: 1fr 4fr;
    gap: 20px;
  }
  .company-strip > div > span {
    font-size: 18px;
  }
  .timeline-row {
    grid-template-columns: 135px 190px 1fr;
    gap: 20px;
  }
  .education-row {
    grid-template-columns: 135px 1fr;
    gap: 20px;
  }
  .education-row > .text-link {
    grid-column: 2;
  }
  .lab-note {
    grid-template-columns: 125px 1fr;
  }
  .lab-note > .small-note {
    grid-column: 2;
    text-align: left;
    margin-top: -15px;
  }
  .about-grid {
    gap: 45px;
    grid-template-columns: 1fr 2.3fr;
  }
  .strength-grid {
    gap: 20px;
  }
  .fit-card h3 {
    font-size: 20px;
  }
  .small-project .project-copy {
    padding: 26px;
  }
  .small-project .project-copy h3 {
    font-size: 26px;
  }
}
@media (max-width: 800px) {
  .wrap {
    width: calc(100% - 48px);
  }
  .site-header {
    height: 80px;
    gap: 15px;
  }
  .site-header nav {
    gap: 18px;
    font-size: 11px;
    margin-right: 0;
  }
  .wordmark {
    font-size: 24px;
  }
  .wordmark-cn {
    display: none;
  }
  .header-actions {
    gap: 10px;
  }
  .nav-contact {
    padding: 9px 13px;
    gap: 15px;
    font-size: 11px;
  }
  .hero {
    padding-top: 30px;
  }
  .hero-grid {
    padding-top: 32px;
    gap: 20px;
  }
  .hero-topline .location {
    font-size: 9px;
  }
  .hero-topline .eyebrow {
    font-size: 9px;
  }
  h1 {
    font-size: clamp(43px, 7vw, 60px);
  }
  .hero-description {
    font-size: 13px;
    line-height: 1.8;
    margin-top: 23px;
  }
  .hero-cta {
    gap: 17px;
  }
  .hero-cta .text-link {
    font-size: 11px;
    gap: 12px;
  }
  .hero-cta .button {
    font-size: 11px;
    gap: 20px;
    padding: 12px 15px;
  }
  .hero-profile p {
    font-size: 9px;
  }
  .hero-profile {
    margin-top: 26px;
    gap: 10px;
  }
  .hero-profile img {
    width: 40px;
    height: 40px;
  }
  .hero-art {
    margin-top: -35px;
  }
  .art-label,
  .art-bottom,
  .art-coordinate {
    font-size: 7px;
  }
  .art-top {
    left: 16px;
    top: 16px;
  }
  .art-bottom {
    left: 16px;
    bottom: 16px;
  }
  .company-strip {
    grid-template-columns: 1fr;
    gap: 15px;
    padding-block: 22px;
  }
  .company-strip > .eyebrow {
    max-width: none;
    font-size: 9px;
  }
  .company-strip > div > span {
    font-size: 18px;
  }
  .company-strip > div > span:nth-child(2) {
    font-size: 22px;
  }
  .company-strip > div > span:nth-child(3) {
    font-size: 22px;
  }
  .company-strip > div > span:nth-child(4) {
    font-size: 14px;
  }
  .work-section {
    padding-block: 70px;
  }
  .section-heading {
    gap: 28px;
  }
  .section-intro {
    max-width: 230px;
    font-size: 12px;
  }
  h2 {
    font-size: 40px;
  }
  .flagship {
    grid-template-columns: 1fr;
  }
  .recall-visual {
    min-height: 440px;
    max-height: 440px;
    padding: 24px 30px;
  }
  .recall-letter {
    font-size: 140px;
    position: absolute;
    top: 60px;
    left: 20px;
  }
  .recall-letter i {
    display: none;
  }
  .recall-visual figure {
    width: 80%;
    margin: 70px -40px 15px auto;
  }
  .recall-visual .visual-footer {
    position: absolute;
    bottom: 24px;
  }
  .project-copy {
    padding: 32px;
  }
  .project-copy .project-deck br {
    display: none;
  }
  .project-facts {
    justify-content: flex-start;
    gap: 55px;
  }
  .project-pair {
    gap: 20px;
  }
  .small-project .project-visual {
    height: 290px;
    padding: 20px;
  }
  .visual-heading {
    font-size: 8px;
  }
  .small-project .visual-heading > span:last-child {
    font-size: 7px;
  }
  .ops-number {
    font-size: 110px;
    margin-top: 30px;
  }
  .ops-number > span:not([class]) {
    font-size: 30px;
  }
  .ops-number > .ops-arrow {
    font-size: 58px;
    right: 8px;
  }
  .ops-flow {
    font-size: 8px;
    gap: 4px;
  }
  .ops-visual > p {
    font-size: 10px;
    margin-bottom: 20px;
  }
  .route-branches {
    width: 100%;
    gap: 5px;
  }
  .route-branches span {
    font-size: 7px;
    padding: 7px;
  }
  .small-project .project-copy {
    padding: 23px;
  }
  .small-project .project-copy h3 {
    font-size: 25px;
  }
  .small-project .project-deck {
    font-size: 17px;
  }
  .project-copy > p:not([class]) {
    font-size: 12px;
  }
  .small-project .text-link {
    font-size: 11px;
    gap: 12px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .about-left {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .about-symbol {
    display: none;
  }
  .about-caption {
    font-size: 9px;
  }
  .about-copy h2 {
    font-size: 55px;
  }
  .about-section {
    padding-block: 55px;
  }
  .about-lead {
    font-size: 20px;
  }
  .strength-grid h3 {
    font-size: 14px;
  }
  .timeline-row {
    grid-template-columns: 125px 1fr;
    gap: 12px 20px;
  }
  .timeline-content {
    grid-column: 2;
  }
  .timeline-company h3 {
    font-size: 24px;
  }
  .timeline-date {
    padding-top: 3px;
  }
  .experience-section {
    padding-block: 70px 55px;
  }
  .education-row {
    grid-template-columns: 125px 1fr;
  }
  .experience-section .detail-body {
    grid-template-columns: 1fr;
  }
  .fit-grid {
    grid-template-columns: 1fr;
  }
  .fit-card {
    padding: 25px 0;
    display: grid;
    grid-template-columns: 45px 1fr;
    column-gap: 15px;
  }
  .fit-card + .fit-card {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
  }
  .fit-card h3 {
    margin-top: 0;
    font-size: 24px;
  }
  .fit-number {
    padding-top: 8px;
  }
  .fit-card > p {
    grid-column: 2;
    margin-block: 12px 18px;
    max-width: 550px;
  }
  .fit-role {
    grid-column: 2;
  }
  .fit-section {
    padding-bottom: 50px;
  }
  .offscreen {
    grid-template-columns: 1fr auto;
    gap: 20px;
    padding-bottom: 55px;
  }
  .offscreen .eyebrow {
    grid-column: 1 / -1;
  }
  .offscreen > p:not([class]) {
    font-size: 20px;
  }
  .contact h2 {
    font-size: 58px;
  }
  .contact-arrow {
    width: 76px;
    height: 76px;
    font-size: 45px;
  }
  .contact-links {
    align-items: flex-start;
  }
  .contact-links > div {
    gap: 20px;
  }
  .footer-bottom > span:nth-child(2) {
    display: none;
  }
  html[data-lang="zh"] h1 {
    font-size: clamp(42px, 6.6vw, 56px);
  }
  html[data-lang="zh"] .hero-cta {
    gap: 20px;
  }
}
@media (max-width: 580px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    width: calc(100% - 40px);
    height: 72px;
  }
  .site-header nav {
    display: none;
  }
  .wordmark-cn {
    display: inline;
    font-size: 11px;
    margin-left: 6px;
  }
  .wordmark {
    font-size: 25px;
  }
  .header-actions {
    margin-left: auto;
    gap: 9px;
  }
  .nav-contact {
    font-size: 11px;
    padding: 9px 13px;
  }
  .hero {
    padding-top: 24px;
  }
  .hero-topline .eyebrow {
    font-size: 8px;
    letter-spacing: 0.045em;
  }
  .hero-topline .location {
    font-size: 8px;
  }
  .hero-topline .location span {
    padding-left: 5px;
    font-size: 14px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 32px;
  }
  h1 {
    font-size: clamp(44px, 10.2vw, 62px);
    letter-spacing: -0.06em;
    line-height: 1.03;
  }
  .hero-description {
    font-size: 14px;
    max-width: 440px;
    margin-top: 23px;
  }
  .hero-cta {
    margin-top: 23px;
    gap: 28px;
  }
  .hero-cta .button {
    font-size: 12px;
    padding: 13px 18px;
    gap: 28px;
  }
  .hero-cta .text-link {
    font-size: 12px;
  }
  .hero-profile {
    margin-top: 28px;
  }
  .hero-profile img {
    width: 43px;
    height: 43px;
  }
  .hero-profile strong {
    font-size: 12px;
  }
  .hero-profile p {
    font-size: 10px;
  }
  .hero-art {
    margin: 0;
    aspect-ratio: 1.6;
    width: 100%;
    max-height: 310px;
  }
  .system-art {
    height: 155%;
    width: 100%;
    top: -27%;
  }
  .art-top {
    font-size: 8px;
    top: 17px;
    left: 18px;
  }
  .art-bottom {
    font-size: 8px;
    bottom: 17px;
    left: 18px;
  }
  .art-coordinate {
    font-size: 8px;
  }
  .art-cross {
    font-size: 30px;
    right: 16px;
    bottom: 16px;
  }
  .company-strip {
    padding-block: 22px;
    gap: 19px;
  }
  .company-strip > div {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 23px 30px;
  }
  .company-strip > div > span {
    font-size: 18px;
  }
  .company-strip > div > span:nth-child(2) {
    font-size: 23px;
  }
  .company-strip > div > span:nth-child(3) {
    font-size: 23px;
  }
  .company-strip > div > span:nth-child(4) {
    font-size: 13px;
  }
  .company-strip > div > .freiburg {
    display: none;
  }
  .work-section {
    padding-block: 56px;
  }
  .section-heading {
    display: block;
    margin-bottom: 29px;
  }
  .section-heading .eyebrow {
    font-size: 10px;
    margin-bottom: 14px;
  }
  h2 {
    font-size: 40px;
    letter-spacing: -0.05em;
  }
  .section-intro {
    font-size: 13px;
    max-width: 350px;
    margin-top: 19px;
  }
  .recall-visual {
    min-height: 310px;
    max-height: 310px;
    padding: 18px;
  }
  .recall-visual figure {
    margin: 80px -40px 0 15px;
    width: calc(100% + 20px);
  }
  .recall-letter {
    font-size: 95px;
    top: 48px;
    left: 18px;
    letter-spacing: -8px;
    padding: 0;
    line-height: 1;
  }
  .recall-visual .visual-heading {
    font-size: 8px;
  }
  .visual-pill {
    font-size: 7px;
    padding: 4px 7px;
  }
  .recall-visual .visual-footer {
    display: none;
  }
  .recall-visual figcaption {
    font-size: 7px;
    padding-top: 7px;
  }
  .project-copy {
    padding: 25px 23px;
  }
  .project-copy h3 {
    font-size: 31px;
  }
  .project-copy .project-deck {
    font-size: 22px;
  }
  .project-copy > p:not([class]) {
    font-size: 13px;
  }
  .project-copy > .eyebrow {
    font-size: 9px;
  }
  .project-facts {
    gap: 28px;
    padding-block: 19px;
  }
  .project-facts strong {
    font-size: 23px;
  }
  .project-facts small {
    font-size: 8px;
  }
  .ownership {
    font-size: 10px;
  }
  .project-pair {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 24px;
  }
  .small-project .project-visual {
    height: 285px;
    padding: 20px 23px;
  }
  .small-project .visual-heading > span:last-child {
    font-size: 8px;
  }
  .small-project .project-copy {
    padding: 25px 23px;
  }
  .small-project .project-copy h3 {
    font-size: 27px;
  }
  .small-project .project-deck {
    font-size: 19px;
  }
  .small-project .text-link {
    font-size: 12px;
  }
  .ops-number {
    font-size: 125px;
    margin-top: 12px;
  }
  .ops-number > span:not([class]) {
    font-size: 37px;
  }
  .ops-number > .ops-arrow {
    font-size: 80px;
    right: 10px;
    top: 3px;
  }
  .ops-visual > p {
    font-size: 11px;
    margin-top: 1px;
    margin-bottom: 18px;
  }
  .ops-flow {
    font-size: 9px;
  }
  .route-diagram {
    padding-top: 10px;
  }
  .route-branches {
    width: 90%;
    gap: 10px;
  }
  .route-branches span {
    font-size: 8px;
  }
  .lab-note {
    grid-template-columns: 1fr;
    gap: 11px;
    margin-top: 29px;
    padding-top: 20px;
  }
  .lab-note > .small-note {
    grid-column: 1;
    margin-top: 0;
  }
  .lab-note p {
    font-size: 12px;
  }
  .about-section {
    padding-block: 42px 47px;
  }
  .about-left {
    gap: 20px;
  }
  .about-left > .eyebrow {
    font-size: 9px;
  }
  .about-caption {
    font-size: 8px;
  }
  .about-copy h2 {
    font-size: 50px;
  }
  .about-lead {
    font-size: 18px;
    line-height: 1.7;
    margin-top: 24px;
  }
  .about-copy > p:not([class]) {
    font-size: 13px;
  }
  .strength-grid {
    grid-template-columns: 1fr;
    gap: 21px;
    padding-top: 22px;
    margin-top: 25px;
  }
  .strength-grid > div {
    display: grid;
    grid-template-columns: 25px 1fr;
    gap: 6px 12px;
  }
  .strength-grid > div > span {
    padding-top: 4px;
  }
  .strength-grid h3 {
    margin-top: 0;
    font-size: 16px;
  }
  .strength-grid p {
    grid-column: 2;
    margin-top: 0;
    font-size: 12px;
  }
  .language-strip {
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 26px;
    padding-top: 18px;
    font-size: 10px;
  }
  .language-strip b {
    margin-left: 5px;
    font-size: 9px;
  }
  .experience-section {
    padding-block: 55px 40px;
  }
  .timeline-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-block: 24px;
  }
  .timeline-content {
    grid-column: 1;
  }
  .timeline-date {
    font-size: 9px;
  }
  .timeline-dot {
    margin-right: 8px;
  }
  .timeline-company {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
  }
  .timeline-company h3 {
    font-size: 24px;
  }
  .timeline-company > span {
    font-size: 9px;
  }
  .timeline-content h4 {
    font-size: 14px;
  }
  .timeline-content p {
    font-size: 12px;
    margin-block: 7px;
  }
  .education-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-block: 25px;
  }
  .education-row > .text-link {
    grid-column: 1;
  }
  .education-row h3 {
    font-size: 21px;
  }
  .education-row p {
    font-size: 12px;
  }
  .education-row p.small-note {
    font-size: 11px;
  }
  .fit-card {
    grid-template-columns: 25px 1fr;
    gap: 10px 16px;
  }
  .fit-card h3 {
    font-size: 22px;
  }
  .fit-card > p {
    font-size: 12px;
    margin-block: 0 6px;
  }
  .fit-role {
    font-size: 8px;
  }
  .offscreen {
    padding-bottom: 45px;
    gap: 15px;
  }
  .offscreen > p:not([class]) {
    font-size: 17px;
  }
  .offscreen em {
    font-size: 25px;
  }
  .offscreen-seal {
    width: 40px;
    height: 46px;
    font-size: 27px;
  }
  .contact {
    padding-top: 28px;
  }
  .contact-top .eyebrow {
    font-size: 9px;
  }
  .contact-top .location {
    font-size: 8px;
  }
  .contact-main {
    margin-top: 27px;
    gap: 12px;
  }
  .contact h2 {
    font-size: clamp(34px, 8.9vw, 51px);
    line-height: 1.12;
  }
  .contact-arrow {
    width: 47px;
    height: 47px;
    font-size: 29px;
  }
  .contact-intro {
    font-size: 12px;
    margin-top: 21px;
    max-width: 290px;
  }
  .contact-links {
    display: block;
    padding-block: 27px 30px;
  }
  .email-link {
    font-size: 23px;
    display: inline-flex;
    gap: 17px;
  }
  .contact-links > div {
    margin-top: 25px;
    gap: 32px;
  }
  .contact-links .text-link {
    font-size: 12px;
  }
  .footer-bottom {
    font-size: 8px;
    padding-block: 16px;
  }
  .footer-bottom .text-link {
    font-size: 9px;
    gap: 12px;
  }
  html[data-lang="zh"] h1 {
    font-size: clamp(45px, 10.7vw, 62px);
    line-height: 1.19;
  }
  html[data-lang="zh"] .hero-description {
    font-size: 14px;
  }
  html[data-lang="zh"] h2 {
    font-size: 37px;
  }
  html[data-lang="zh"] .about-copy h2 {
    font-size: 43px;
  }
  html[data-lang="zh"] .about-lead {
    font-size: 17px;
  }
  html[data-lang="zh"] .contact h2 {
    font-size: clamp(30px, 7.8vw, 44px);
  }
  html[data-lang="zh"] .offscreen em {
    font-size: 21px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
@media print {
  body {
    background: white;
    color: black;
  }
  .site-header,
  .hero-art,
  .hero-cta,
  .project-visual,
  .offscreen,
  .contact-arrow,
  .footer-bottom,
  .skip-link {
    display: none;
  }
  .wrap {
    width: 100%;
  }
  .hero-grid,
  .flagship,
  .project-pair,
  .about-grid,
  .fit-grid {
    display: block;
  }
  .hero,
  .work-section,
  .experience-section,
  .fit-section,
  .about-section,
  .contact {
    padding: 20px 0;
    background: white;
    color: black;
  }
  .about-copy h2 em,
  .about-copy p,
  .strength-grid p {
    color: black;
  }
  h1 {
    font-size: 45px;
  }
  h2 {
    font-size: 30px;
  }
  h3 {
    font-size: 22px;
  }
  .hero-grid {
    padding: 10px 0;
  }
  .project,
  .timeline-row,
  .fit-card {
    break-inside: avoid;
  }
  .project-copy {
    padding: 15px;
  }
  a {
    text-decoration: underline;
  }
  .about-left,
  .company-strip {
    display: none;
  }
  .section-heading {
    margin-bottom: 20px;
  }
  .contact h2 {
    font-size: 35px;
  }
  .contact-main {
    margin-top: 10px;
  }
  .contact-links {
    padding: 15px 0;
  }
  .fit-card + .fit-card {
    border-left: 0;
    padding-left: 0;
  }
  .contact .wrap {
    width: 100%;
  }
}

/* Career focus, evidence and a fuller professional profile. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--paper);
  height: 84px;
}
.site-header nav {
  gap: 25px;
  margin-right: 25px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link > span:last-child {
  display: none;
}
.hero {
  padding-top: 30px;
}
.hero-grid {
  padding-top: 30px;
  grid-template-columns: 1.35fr 1fr;
  gap: 42px;
}
.hero-description {
  margin-top: 22px;
}
.career-intent {
  margin-top: 19px;
  padding-left: 13px;
  border-left: 2px solid var(--accent);
}
.career-intent .eyebrow {
  font-size: 9px;
  color: var(--accent);
}
.career-intent > p + p {
  font-size: 13px;
  font-weight: 500;
  margin-top: 4px;
  line-height: 1.6;
}
.career-intent > p + p > span > span {
  color: #999184;
  padding: 0 7px;
}
.hero-cta {
  margin-top: 21px;
}
.hero-profile {
  margin-top: 25px;
}
.hero-profile img {
  width: 58px;
  height: 58px;
  filter: none;
}
.hero-side {
  align-self: start;
  min-width: 0;
}
.hero-side .hero-art {
  aspect-ratio: 1.18;
  max-height: 415px;
  margin: 0;
  width: 100%;
}
.hero-side .system-art {
  height: 115%;
  top: -7.5%;
}
.hero-credentials {
  margin-top: 15px;
  border: 1px solid var(--line);
  background: #efeee5;
}
.mini-credential {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 15px 17px;
  border-bottom: 1px solid var(--line);
}
.mini-sigma {
  display: grid;
  place-items: center;
  font: 28px/1 var(--serif);
  color: #366747;
  border: 1px solid #b3c3ae;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}
.mini-credential strong {
  display: block;
  font-size: 13px;
  font-weight: 500;
}
.mini-credential small {
  display: block;
  font-size: 9px;
  color: var(--muted);
  margin-top: 2px;
}
.mini-credential > span:last-child {
  margin-left: auto;
  font-size: 20px;
}
.mini-credential:hover {
  background: #e6eadc;
}
.practical-profile {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 13px 17px;
  gap: 15px;
}
.practical-profile p + p {
  border-left: 1px solid var(--line);
  padding-left: 15px;
}
.practical-profile strong {
  display: block;
  font-size: 10px;
  font-weight: 500;
}
.practical-profile p > span {
  display: block;
  font-size: 9px;
  color: var(--muted);
  margin-top: 4px;
}
.quick-proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line);
  margin-bottom: 25px;
}
.quick-proof > a {
  position: relative;
  padding: 23px 24px 23px 0;
}
.quick-proof > a + a {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}
.proof-number {
  font: 9px var(--mono);
  color: var(--accent);
}
.quick-proof h2 {
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -0.45px;
  margin-block: 10px 8px;
}
.quick-proof p {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
  padding-right: 10px;
  max-width: 245px;
}
.proof-arrow {
  position: absolute;
  right: 13px;
  top: 18px;
  font-size: 21px;
  transition: transform 0.2s;
}
.quick-proof > a:hover .proof-arrow {
  transform: translate(2px, -2px);
  color: var(--accent);
}
.quick-proof > a:hover h2 {
  color: var(--accent);
}
.company-strip {
  border-top: 0;
  min-height: 115px;
  grid-template-columns: 165px 1fr;
  margin-bottom: 0;
}
.company-strip > .eyebrow {
  font-size: 10px;
}
.company-strip > .brand-list {
  display: flex;
  gap: 30px;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: 65px;
  transition: transform 0.2s;
}
.brand:hover {
  transform: translateY(-3px);
}
.brand img {
  object-fit: contain;
  width: auto;
  height: auto;
  max-width: 138px;
  max-height: 45px;
}
.brand-amazon img {
  width: 115px;
}
.brand-novada img {
  width: 130px;
}
.brand-huawei img {
  width: 104px;
}
.brand-xiaomi {
  gap: 10px;
}
.brand-xiaomi img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}
.brand-xiaomi > span {
  font-size: 21px;
  letter-spacing: -0.8px;
  color: #df560d;
}
.brand-freiburg {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  width: 112px;
}
.brand-freiburg img {
  height: auto;
  max-height: 27px;
  width: 112px;
}
.brand-freiburg img + img {
  width: 89px;
}
.fit-section {
  padding-block: 75px 0;
}
.fit-section .section-heading {
  margin-bottom: 34px;
}
.work-section {
  padding-top: 85px;
}
.gateway-visual {
  background: #d9e4e0;
  color: #24463f;
}
.gateway-visual .visual-heading {
  color: #3f5e56;
}
.gateway-number {
  font-size: 130px;
  line-height: 1.1;
  letter-spacing: -8px;
  margin-top: 9px;
}
.gateway-number > span {
  font-size: 95px;
  padding-inline: 15px;
  color: #56867b;
  vertical-align: 10px;
}
.gateway-visual > p {
  font-size: 12px;
  margin-top: 2px;
}
.gateway-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 10px;
  border-block: 1px solid #70938660;
  font: 10px var(--mono);
  margin-top: 22px;
}
.gateway-flow b {
  font-size: 18px;
  font-weight: 400;
}
.gateway-visual .visual-footer {
  position: absolute;
  bottom: 18px;
  padding: 0;
  font-size: 8px;
}
.project-catalog {
  padding-top: 40px;
}
.catalog-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 25px;
  border-top: 1px solid var(--line);
  padding-block: 23px;
}
.catalog-heading .eyebrow {
  font-size: 10px;
  color: var(--muted);
}
.catalog-heading h3 {
  font-size: 18px;
  letter-spacing: -0.4px;
}
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.catalog-item {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 25px;
  display: flex;
  flex-direction: column;
}
.catalog-item .eyebrow {
  font-size: 9px;
  color: var(--muted);
}
.catalog-item h4 {
  font-size: 24px;
  letter-spacing: -0.65px;
  margin-block: 15px 12px;
  line-height: 1.3;
}
.catalog-item > p:not([class]) {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 23px;
}
.catalog-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 13px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.catalog-bottom > span {
  font-size: 9px;
  line-height: 1.6;
  color: var(--muted);
}
.catalog-bottom .text-link {
  font-size: 10px;
  gap: 8px;
  white-space: nowrap;
}
.other-tools {
  font-size: 11px;
  color: var(--muted);
  padding-top: 18px;
}
.other-tools .text-link {
  font-size: 11px;
  gap: 8px;
}
.timeline-row {
  scroll-margin-top: 110px;
}
.timeline-company {
  position: relative;
}
.career-logo {
  height: 28px;
  width: auto;
  max-width: 95px;
  object-fit: contain;
  margin-bottom: 14px;
}
.career-logo-xiaomi {
  width: 33px;
  height: 33px;
}
.career-logo-huawei {
  max-width: 90px;
  height: auto;
  max-height: 31px;
}
.career-amazon .timeline-dot {
  background: #ff9900;
  border-color: #ff9900;
}
.career-xiaomi .timeline-dot {
  background: #ff6900;
  border-color: #ff6900;
}
.career-huawei .timeline-dot {
  background: #cf0a2c;
  border-color: #cf0a2c;
}
.career-novada .timeline-dot {
  background: #4b60d0;
  border-color: #4b60d0;
}
.education-block {
  padding-block: 32px;
  border-bottom: 1px solid var(--line);
}
.education-block > .eyebrow {
  color: var(--muted);
  margin-bottom: 20px;
}
.education-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 45px;
}
.education-grid h3 {
  font-size: 23px;
  letter-spacing: -0.6px;
  margin-block: 8px;
}
.education-grid p:not([class]) {
  font-size: 14px;
}
.education-grid .small-note {
  font-size: 11px;
  margin-top: 10px;
  max-width: 480px;
  line-height: 1.8;
}
.education-grid .text-link {
  font-size: 11px;
  margin: 17px 18px 0 0;
  gap: 12px;
}
.experience-section .toolkit-grid {
  grid-template-columns: 1fr 1fr;
}
.credentials-section {
  padding-bottom: 80px;
}
.credential-feature {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  align-items: center;
  gap: 30px;
  background: #e8eddf;
  border: 1px solid #c8d2bb;
  border-top: 3px solid #597344;
  padding: 32px;
}
.sigma-mark {
  font: 100px/1 var(--serif);
  color: #42623e;
  letter-spacing: -6px;
  align-self: start;
  margin-top: 15px;
}
.sigma-mark > span {
  font-size: 85px;
  font-style: italic;
}
.credential-feature .eyebrow {
  font-size: 9px;
  color: #526749;
}
.credential-feature h3 {
  font-size: 32px;
  letter-spacing: -1px;
  margin-top: 8px;
  line-height: 1.25;
}
.credential-feature p {
  font-size: 12px;
  line-height: 1.8;
  margin-top: 10px;
  max-width: 640px;
}
.credential-feature .credential-date {
  font: 10px/1.6 var(--mono);
  color: var(--muted);
  margin-top: 7px;
}
.credential-feature > .text-link {
  font-size: 12px;
  gap: 15px;
}
.credential-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}
.credential-card {
  padding: 25px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--line);
  display: flex;
  flex-direction: column;
}
.credential-google {
  border-top-color: #4285f4;
}
.credential-ml {
  border-top-color: #a51b33;
}
.credential-pwc {
  border-top-color: #e47722;
}
.credential-ba {
  border-top-color: #384f95;
}
.credential-esg {
  border-top-color: #254a73;
}
.credential-top {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  font-size: 10px;
  color: var(--muted);
  line-height: 1.6;
}
.credential-top > span + span {
  font-family: var(--mono);
  font-size: 9px;
  white-space: nowrap;
}
.credential-card h3 {
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: -0.5px;
  margin-top: 20px;
}
.credential-card .credential-type {
  font: 9px/1.7 var(--mono);
  color: var(--muted);
  margin-top: 10px;
}
.credential-card > p:not([class]) {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin-block: 13px 23px;
}
.credential-card > .text-link {
  font-size: 11px;
  align-self: flex-start;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  gap: 20px;
}
.mobility-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-block: 1px solid var(--line);
  padding-block: 23px;
  margin-top: 30px;
  gap: 30px;
}
.mobility-strip strong {
  font-size: 14px;
  font-weight: 500;
}
.mobility-strip p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 7px;
}
html[data-lang="zh"] .quick-proof h2 {
  font-size: 19px;
  line-height: 1.35;
}
html[data-lang="zh"] .credential-card h3 {
  font-size: 22px;
}
html[data-lang="zh"] .catalog-item h4 {
  font-size: 23px;
}
@media (max-width: 1100px) {
  .site-header nav {
    gap: 20px;
    margin-right: 10px;
  }
  .hero-grid {
    gap: 25px;
  }
  .career-intent > p + p {
    font-size: 12px;
  }
  .practical-profile {
    padding: 11px;
    gap: 10px;
  }
  .practical-profile p + p {
    padding-left: 10px;
  }
  .practical-profile strong {
    font-size: 9px;
  }
  .practical-profile p > span {
    font-size: 8px;
  }
  .company-strip {
    grid-template-columns: 120px 1fr;
  }
  .company-strip > .brand-list {
    gap: 24px;
  }
  .brand-novada img {
    width: 105px;
  }
  .brand-amazon img {
    width: 95px;
  }
  .brand-huawei img {
    width: 85px;
  }
  .brand-xiaomi > span {
    font-size: 18px;
  }
  .brand-xiaomi img {
    width: 34px;
    height: 34px;
  }
  .brand-freiburg {
    width: 95px;
  }
  .brand-freiburg img {
    width: 95px;
  }
  .brand-freiburg img + img {
    width: 75px;
  }
  .quick-proof h2 {
    font-size: 17px;
  }
  .quick-proof > a {
    padding-right: 18px;
  }
  .quick-proof > a + a {
    padding-left: 18px;
  }
  .quick-proof p {
    font-size: 10px;
  }
  .catalog-item {
    padding: 21px;
  }
  .credential-feature {
    grid-template-columns: 100px 1fr;
    gap: 25px;
  }
  .credential-feature > .text-link {
    grid-column: 2;
    justify-self: start;
  }
  .credential-feature h3 {
    font-size: 29px;
  }
  .credential-card {
    padding: 21px;
  }
  .credential-card h3 {
    font-size: 20px;
  }
}
@media (max-width: 800px) {
  .site-header nav {
    gap: 14px;
  }
  .site-header {
    gap: 12px;
  }
  .header-actions {
    gap: 7px;
  }
  .nav-contact {
    gap: 12px;
  }
  .hero-grid {
    gap: 24px;
  }
  .hero-side .hero-art {
    aspect-ratio: 0.9;
    max-height: 360px;
  }
  .mini-credential {
    padding: 12px;
    gap: 9px;
  }
  .mini-sigma {
    width: 34px;
    height: 34px;
    font-size: 23px;
  }
  .mini-credential strong {
    font-size: 11px;
  }
  .mini-credential small {
    font-size: 8px;
  }
  .practical-profile {
    grid-template-columns: 1fr;
    gap: 9px;
  }
  .practical-profile p + p {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 9px;
  }
  .practical-profile strong {
    font-size: 10px;
  }
  .practical-profile p > span {
    font-size: 9px;
  }
  .quick-proof {
    grid-template-columns: 1fr 1fr;
    margin-top: 0;
    margin-bottom: 20px;
  }
  .quick-proof > a {
    padding: 20px !important;
    border: 0 !important;
  }
  .quick-proof > a:nth-child(odd) {
    padding-left: 0 !important;
    border-right: 1px solid var(--line) !important;
  }
  .quick-proof > a:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line) !important;
  }
  .quick-proof h2 {
    font-size: 20px;
  }
  .quick-proof p {
    font-size: 11px;
    max-width: none;
  }
  .company-strip {
    grid-template-columns: 1fr;
    gap: 14px;
    padding-block: 18px;
  }
  .company-strip > .brand-list {
    gap: 20px;
    justify-content: space-between;
  }
  .brand-novada img {
    width: 95px;
  }
  .brand-amazon img {
    width: 90px;
  }
  .brand-freiburg {
    width: 90px;
  }
  .brand-freiburg img {
    width: 90px;
  }
  .brand-freiburg img + img {
    width: 71px;
  }
  .brand-xiaomi > span {
    display: none;
  }
  .brand-huawei img {
    width: 80px;
  }
  .brand {
    height: 45px;
  }
  .fit-section {
    padding-top: 55px;
  }
  .fit-section .fit-card > p {
    max-width: none;
  }
  .work-section {
    padding-top: 60px;
  }
  .gateway-number {
    font-size: 108px;
    margin-top: 22px;
  }
  .gateway-number > span {
    font-size: 70px;
    padding-inline: 12px;
    vertical-align: 7px;
  }
  .gateway-visual > p {
    font-size: 10px;
  }
  .gateway-flow {
    font-size: 9px;
    margin-top: 22px;
  }
  .catalog-heading {
    display: block;
  }
  .catalog-heading h3 {
    font-size: 21px;
    margin-top: 12px;
  }
  .catalog-grid {
    grid-template-columns: 1fr 1fr;
  }
  .credential-grid {
    grid-template-columns: 1fr 1fr;
  }
  .credential-feature {
    padding: 25px;
    gap: 20px;
    grid-template-columns: 90px 1fr;
  }
  .credential-feature h3 {
    font-size: 28px;
  }
  .sigma-mark {
    font-size: 80px;
    letter-spacing: -4px;
  }
  .sigma-mark > span {
    font-size: 70px;
  }
  .credential-feature p {
    font-size: 11px;
  }
  .credentials-section {
    padding-bottom: 60px;
  }
  .career-logo {
    height: 25px;
    max-width: 88px;
    margin-bottom: 9px;
  }
  .education-grid {
    gap: 30px;
  }
  .education-grid h3 {
    font-size: 21px;
  }
  .education-grid p:not([class]) {
    font-size: 12px;
  }
}
@media (max-width: 580px) {
  html {
    scroll-padding-top: 128px;
  }
  .site-header {
    flex-wrap: wrap;
    gap: 0 10px;
    height: auto;
    min-height: 105px;
    padding-top: 9px;
  }
  .site-header nav {
    display: flex;
    order: 3;
    width: 100%;
    justify-content: space-between;
    margin: 3px 0 0;
    gap: 15px;
    min-height: 39px;
    align-items: center;
    font-size: 11px;
  }
  .site-header .header-actions {
    gap: 9px;
  }
  .nav-link {
    min-height: 38px;
  }
  .hero {
    padding-top: 20px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 25px;
    gap: 23px;
    padding-bottom: 26px;
  }
  .hero-description {
    margin-top: 20px;
    font-size: 14px;
  }
  .career-intent {
    margin-top: 17px;
  }
  .career-intent > p + p {
    font-size: 12px;
  }
  .career-intent > p + p > span > span {
    padding: 0 3px;
  }
  .hero-profile {
    margin-top: 22px;
  }
  .hero-profile img {
    width: 54px;
    height: 54px;
  }
  .hero-side {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }
  .hero-side .hero-art {
    aspect-ratio: 2.2;
    max-height: 210px;
  }
  .hero-side .system-art {
    height: 195%;
    top: -46%;
  }
  .hero-credentials {
    order: -1;
    margin: 0;
  }
  .mini-credential {
    padding: 13px 15px;
  }
  .mini-credential strong {
    font-size: 13px;
  }
  .mini-credential small {
    font-size: 9px;
  }
  .mini-sigma {
    width: 40px;
    height: 40px;
    font-size: 27px;
  }
  .practical-profile {
    grid-template-columns: 1fr 1fr;
    padding: 12px 15px;
    gap: 10px;
  }
  .practical-profile p + p {
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-top: 0;
    padding-left: 10px;
  }
  .practical-profile strong {
    font-size: 9px;
  }
  .practical-profile p > span {
    font-size: 8px;
  }
  .quick-proof {
    margin-bottom: 17px;
  }
  .quick-proof > a {
    padding: 18px 12px !important;
  }
  .quick-proof h2 {
    font-size: 17px;
    margin-top: 9px;
    letter-spacing: -0.3px;
  }
  .quick-proof p {
    font-size: 10px;
    line-height: 1.75;
    padding-right: 0;
  }
  .proof-arrow {
    right: 8px;
    top: 14px;
    font-size: 18px;
  }
  .proof-number {
    font-size: 8px;
  }
  .company-strip {
    padding-block: 12px 20px;
  }
  .company-strip > .eyebrow {
    font-size: 9px;
  }
  .company-strip > .brand-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 13px 27px;
  }
  .brand {
    height: 38px;
  }
  .brand-novada img {
    width: 101px;
  }
  .brand-amazon img {
    width: 94px;
  }
  .brand-xiaomi img {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }
  .brand-huawei img {
    width: 84px;
    max-height: 35px;
  }
  .brand-freiburg {
    width: 100px;
  }
  .brand-freiburg img {
    width: 100px;
    max-height: 20px;
  }
  .brand-freiburg img + img {
    width: 79px;
  }
  .fit-section {
    padding-block: 45px 0;
  }
  .fit-section .section-heading {
    margin-bottom: 25px;
  }
  .fit-section .fit-card h3 {
    font-size: 21px;
  }
  .work-section {
    padding-top: 48px;
  }
  .gateway-number {
    font-size: 125px;
    margin-top: 15px;
  }
  .gateway-number > span {
    font-size: 84px;
    padding-inline: 16px;
  }
  .gateway-visual > p {
    font-size: 11px;
  }
  .gateway-flow {
    font-size: 10px;
    margin-top: 15px;
  }
  .project-catalog {
    padding-top: 27px;
  }
  .catalog-heading {
    padding-block: 20px;
  }
  .catalog-heading h3 {
    font-size: 20px;
    line-height: 1.4;
  }
  .catalog-grid {
    grid-template-columns: 1fr;
  }
  .catalog-item {
    padding: 23px;
  }
  .catalog-item h4 {
    font-size: 25px;
    margin-block: 13px 11px;
  }
  .catalog-item > p:not([class]) {
    font-size: 12px;
    margin-bottom: 20px;
  }
  .catalog-bottom {
    padding-top: 10px;
  }
  .catalog-bottom > span {
    font-size: 10px;
  }
  .catalog-bottom .text-link {
    font-size: 11px;
  }
  .other-tools {
    font-size: 10px;
    line-height: 1.8;
  }
  .timeline-row {
    scroll-margin-top: 128px;
  }
  .timeline-company {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 6px 12px;
  }
  .career-logo {
    grid-column: 1/-1;
    height: 26px;
    margin-block: 3px 5px;
  }
  .career-logo-xiaomi {
    width: 30px;
    height: 30px;
  }
  .career-logo-huawei {
    height: 28px;
    max-width: 88px;
  }
  .timeline-company h3 {
    font-size: 24px;
  }
  .timeline-company > span {
    font-size: 9px;
  }
  .education-block {
    padding-block: 25px;
  }
  .education-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .education-grid article + article {
    border-top: 1px solid var(--line);
    padding-top: 17px;
  }
  .education-grid h3 {
    font-size: 22px;
  }
  .education-grid .small-note {
    font-size: 11px;
  }
  .experience-section .toolkit-grid {
    grid-template-columns: 1fr;
  }
  .credentials-section {
    padding-bottom: 48px;
  }
  .credential-feature {
    grid-template-columns: 52px 1fr;
    padding: 20px;
    gap: 14px;
  }
  .sigma-mark {
    font-size: 57px;
    letter-spacing: -3px;
    margin-top: 22px;
  }
  .sigma-mark > span {
    font-size: 46px;
  }
  .credential-feature h3 {
    font-size: 25px;
  }
  .credential-feature p {
    font-size: 11px;
  }
  .credential-feature .credential-date {
    font-size: 8px;
  }
  .credential-feature > .text-link {
    grid-column: 2;
    font-size: 11px;
  }
  .credential-grid {
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 16px;
  }
  .credential-card {
    padding: 23px;
  }
  .credential-card h3 {
    font-size: 23px;
    margin-top: 16px;
  }
  .credential-top {
    font-size: 11px;
  }
  .credential-card .credential-type {
    font-size: 9px;
  }
  .credential-card > p:not([class]) {
    font-size: 12px;
    margin-bottom: 19px;
  }
  .credential-card > .text-link {
    font-size: 11px;
  }
  .mobility-strip {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-top: 22px;
    padding-block: 22px;
  }
  .mobility-strip > div + div {
    border-top: 1px solid var(--line);
    padding-top: 18px;
  }
  .mobility-strip p {
    font-size: 11px;
  }
  html[data-lang="zh"] .quick-proof h2 {
    font-size: 17px;
  }
  html[data-lang="zh"] .fit-card h3 {
    font-size: 21px;
  }
}
@media print {
  .site-header,
  .hero-side,
  .quick-proof,
  .brand-list {
    display: none;
  }
  .credential-grid,
  .catalog-grid,
  .education-grid {
    display: block;
  }
  .credential-card,
  .catalog-item,
  .credential-feature,
  .timeline-row {
    break-inside: avoid;
  }
  .credentials-section {
    padding-block: 20px;
  }
  .credential-feature {
    background: white;
    padding: 15px;
  }
  .fit-section {
    padding: 20px 0;
  }
  .credential-grid {
    margin-top: 10px;
  }
  .hero-profile img {
    filter: none;
  }
}