/* Theme and layout: native CSS, no font or framework downloads. */
:root {
  color-scheme: dark;
  --bg: #1e2735;
  --ink: #e2e7ef;
  --muted: #b4bfd0;
  --accent: #a4bada;
  --line: #415069;
  --sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Code", Consolas, monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 26px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.8 var(--sans);
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 850px;
  z-index: -1;
  background:
    radial-gradient(ellipse at 75% 15%, #6e8eae20, transparent 60%),
    linear-gradient(#728baa14 1px, transparent 1px),
    linear-gradient(90deg, #728baa14 1px, transparent 1px);
  background-size:
    auto,
    56px 56px,
    56px 56px;
  mask-image: linear-gradient(#000, transparent);
  pointer-events: none;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
a,
button {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}
::selection {
  background: #49617d;
  color: white;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
.wrap {
  max-width: 1200px;
  width: calc(100% - 96px);
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  left: 15px;
  top: 10px;
  padding: 8px 16px;
  background: var(--accent);
  color: var(--bg);
  z-index: 5;
  opacity: 0;
  pointer-events: none;
}
.skip-link:focus {
  opacity: 1;
  pointer-events: auto;
}
.site-header {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font: 600 24px var(--mono);
  letter-spacing: -1px;
}
nav {
  display: flex;
  gap: 32px;
  font-size: 14px;
}
nav a {
  color: #c4cedd;
}
nav a:first-child {
  color: var(--accent);
}
nav a:hover,
.text-link:hover,
.project-links a:hover,
.site-footer a:hover {
  color: var(--accent);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 480px) 390px;
  justify-content: center;
  gap: 64px;
  align-items: center;
  padding-block: 42px 28px;
}
.eyebrow {
  font: 11px/1.6 var(--mono);
  letter-spacing: 2px;
  color: var(--accent);
}
.greeting {
  color: #c9d3e2;
  font-size: 21px;
  margin-top: 0;
  margin-bottom: 8px;
}
h1 {
  font-size: clamp(44px, 5vw, 68px);
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: 1px;
}
.english-name {
  display: block;
  color: #b8c7dd;
  font-size: 31px;
  letter-spacing: -0.6px;
  font-weight: 400;
  margin-top: 10px;
}
.hero-line {
  font-size: 25px;
  line-height: 1.75;
  margin-top: 24px;
  font-weight: 400;
  color: #d5deeb;
}
.hero-description {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
  margin-top: 17px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 27px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  min-height: 45px;
  padding: 10px 18px;
  font-size: 13px;
  border: 1px solid transparent;
  border-radius: 5px;
  transition:
    background 0.2s,
    border-color 0.2s;
}
.button-primary {
  background: var(--accent);
  color: #1d2b3e;
  font-weight: 600;
}
.button-primary:hover {
  background: #c0cee4;
}
.button-secondary {
  background: #2d3c52;
  border-color: #5a6d89;
}
.button-secondary:hover {
  background: #394d68;
}
.text-link {
  font-size: 13px;
}
.hero-actions .text-link {
  padding: 10px;
}
.hero-visual {
  width: 390px;
  justify-self: center;
}
.portrait {
  position: relative;
  width: 390px;
  justify-self: center;
  padding: 8px;
  border: 1px solid #657c99;
  border-radius: 9px;
  background: #2b384a;
  box-shadow: 0 18px 50px #0003;
}
.portrait img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}
.section {
  padding-block: 74px;
}
#work {
  padding-top: 46px;
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 31px;
}
.section-heading .text-link {
  padding-bottom: 6px;
}
h2 {
  font-size: 31px;
  font-weight: 550;
  letter-spacing: -0.5px;
  margin-top: 9px;
  line-height: 1.5;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.project {
  display: flex;
  flex-direction: column;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: linear-gradient(140deg, #2b384c, #253041);
}
.featured {
  border-color: #7188a5;
  background: linear-gradient(140deg, #354963, #2b3a50);
}
.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  min-height: 25px;
  margin-bottom: 24px;
}
.project-kind {
  color: var(--muted);
  font-size: 11px;
}
.project h3 {
  font-size: 21px;
  font-weight: 550;
  letter-spacing: -0.4px;
  line-height: 1.4;
  margin-bottom: 15px;
}
.project > p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.95;
  margin-bottom: 22px;
}
.tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.tags span {
  color: #c9d4e5;
  background: #4b607b70;
  padding: 3px 7px;
  border-radius: 3px;
  font: 10px/1.6 var(--sans);
}
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-top: 17px;
  margin-top: 23px;
  font-size: 12px;
}
.awards {
  border-top: 1px solid var(--line);
}
.award {
  display: grid;
  grid-template-columns: 80px 1fr 235px;
  gap: 25px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding: 23px 0;
}
.award:last-child {
  border-bottom: 1px solid var(--line);
}
.award-year {
  color: var(--muted);
  font: 13px var(--mono);
}
.award h3 {
  font-size: 16px;
  font-weight: 500;
}
.award p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.award strong {
  text-align: right;
  color: #bed0e9;
  font-size: 18px;
  font-weight: 500;
}
.award strong span {
  display: block;
  font-size: 12px;
  color: #b9c7db;
  margin-top: 3px;
}
.certificates {
  margin-top: 32px;
  padding: 22px 25px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #243040;
}
.certificates h3 {
  font-size: 20px;
  color: #cbd5e4;
  font-weight: 500;
  margin-bottom: 13px;
}
.certificates ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 16px;
  color: #b8c5d8;
}
.about {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 70px;
}
.education {
  font-size: 13px;
  color: var(--muted);
  margin-top: 20px;
}
.about-content > p {
  font-size: 15px;
  color: #c4cedd;
  line-height: 2;
  margin-bottom: 18px;
}
.contact {
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 35px;
}
.contact h2 {
  font-size: 32px;
}
.contact p:not(.eyebrow) {
  font-size: 13px;
  color: var(--muted);
  margin-top: 14px;
}
.email-address {
  font: 14px/1.8 var(--mono);
  overflow-wrap: anywhere;
}
.email-address:hover {
  color: var(--accent);
}
.contact-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 19px;
}
.copy-button {
  background: none;
  border: 0;
  color: #c5d1e3;
  font-size: 12px;
  padding: 10px 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 5px;
}
#copy-status {
  font-size: 12px;
  color: var(--accent);
}
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  padding-block: 25px;
  font-size: 11px;
  color: var(--muted);
}
.site-footer > div {
  display: flex;
  gap: 23px;
}
.section-heading > div {
  display: flex;
  gap: 15px;
  align-items: baseline;
}

.sharing {
  border-top: 1px solid var(--line);
}
.sharing-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.shared-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #273344;
}
.shared-item h3 {
  font-size: 21px;
  font-weight: 500;
  margin-bottom: 13px;
}
.shared-item p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 20px;
}
.shared-item > a {
  font-size: 13px;
  color: #bdcfe7;
  margin-top: auto;
}
.shared-item > a:hover {
  color: white;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.friend-links {
  border-top: 1px solid var(--line);
  padding-block: 26px;
}
.friend-links h2 {
  font-size: 15px;
  font-weight: 500;
  margin: 0 0 14px;
  color: var(--muted);
}
.friend-link-list {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 18px 40px;
  font-size: 14px;
}
.wechat-links {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
}
.link-note {
  font-size: 11px;
  color: var(--muted);
}
.article-link {
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 4px;
}
@media (max-width: 1050px) {
  .hero-visual {
    width: 280px;
  }
  .hero {
    grid-template-columns: 1fr 280px;
  }
  .portrait {
    width: 280px;
  }
  .wrap {
    width: calc(100% - 64px);
  }
  .hero {
    gap: 35px;
  }
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact {
    align-items: flex-start;
  }
  .contact h2 {
    font-size: 27px;
  }
  .email-address {
    font-size: 12px;
  }
}
@media (max-width: 700px) {
  .hero-visual {
    width: 280px;
    max-width: 100%;
    justify-self: start;
  }
  .friend-link-list {
    flex-direction: column;
    gap: 16px;
  }
  .wechat-links {
    gap: 8px 12px;
  }
  .portrait {
    width: 260px;
    justify-self: start;
  }
  .sharing-list {
    grid-template-columns: 1fr;
  }
  .certificates {
    padding: 20px;
  }
  .certificates ul {
    font-size: 15px;
  }
  .site-header {
    flex-wrap: wrap;
    padding-block: 18px;
  }

  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    min-height: 80px;
    gap: 12px;
  }
  .wordmark {
    font-size: 20px;
  }
  nav {
    gap: 18px;
    font-size: 12px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-block: 39px;
  }
  .greeting {
    margin-top: 22px;
    font-size: 18px;
  }
  h1 {
    font-size: 53px;
  }
  .english-name {
    font-size: 28px;
  }
  .hero-line {
    font-size: 25px;
    margin-top: 23px;
  }
  .hero-actions {
    gap: 10px;
  }
  .button {
    padding: 10px 15px;
    font-size: 12px;
    gap: 14px;
  }
  .hero-actions .text-link {
    font-size: 12px;
    padding: 8px 0 8px 4px;
  }
  .section {
    padding-block: 48px;
  }
  h2 {
    font-size: 27px;
  }
  .section-heading {
    margin-bottom: 25px;
  }
  .project-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .project {
    padding: 23px;
  }
  .project-top {
    margin-bottom: 16px;
  }
  .award {
    grid-template-columns: 45px 1fr;
    gap: 6px 15px;
    padding-block: 21px;
    align-items: baseline;
  }
  .award-year {
    font-size: 11px;
  }
  .award h3 {
    font-size: 14px;
  }
  .award strong {
    grid-column: 2;
    text-align: left;
    font-size: 17px;
    margin-top: 5px;
  }
  .award strong span {
    display: inline;
    margin-left: 13px;
  }
  .about {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .education {
    margin-top: 14px;
  }
  .about-content > p {
    font-size: 14px;
  }
  .contact {
    flex-direction: column;
    gap: 23px;
  }
  .contact h2 {
    font-size: 29px;
  }
  .email-address {
    font-size: 12px;
  }
  .site-footer {
    flex-wrap: wrap;
    font-size: 10px;
  }
}
@media (max-width: 370px) {
  .wrap {
    width: calc(100% - 32px);
  }
  nav {
    gap: 12px;
    font-size: 11px;
  }
  .wordmark {
    font-size: 18px;
  }
  .hero-actions .text-link {
    padding-left: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}