:root {
  --ink: #0b0b0a;
  --paper: #f1ede4;
  --line: rgba(241, 237, 228, 0.2);
  --line-dark: rgba(11, 11, 10, 0.22);
  --accent: #d8ff26;
  --alert: #ff3b1f;
  --muted: #79746b;
  --display: Impact, Haettenschweiler, "Arial Black", sans-serif;
  --body: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  --max: 1380px;
  --header-h: 72px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  overflow-x: hidden;
}
section {
  scroll-margin-top: var(--header-h);
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img { max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: var(--header-h);
  display: grid;
  grid-template-columns: minmax(150px, 0.34fr) 1fr;
  background: rgba(11, 11, 10, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.brand,
.nav-links a {
  display: grid;
  place-items: center;
  min-height: var(--header-h);
  font-weight: 900;
}
.brand {
  justify-content: start;
  padding-left: clamp(20px, 5vw, 64px);
  color: var(--accent);
  font-size: 1.15rem;
}
.nav-links {
  display: flex;
  justify-content: flex-end;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-links::-webkit-scrollbar {
  display: none;
}
.nav-links a {
  flex: 0 0 auto;
  min-width: 132px;
  padding-inline: 22px;
  border-left: 1px solid var(--line);
  font-size: 0.82rem;
  transition: background 180ms ease, color 180ms ease;
}
.nav-links a:hover,
.nav-links a.is-active {
  background: rgba(216, 255, 38, 0.1);
  color: var(--accent);
}

.cover {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(rgba(241,237,228,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(241,237,228,.08) 1px, transparent 1px),
    radial-gradient(circle at 50% 35%, rgba(241,237,228,.1), transparent 38%),
    #10100f;
  background-size: 84px 84px, 84px 84px, auto, auto;
}
.cover-frame {
  position: absolute;
  inset: 0 clamp(18px, 6vw, 112px);
  border-inline: 1px solid var(--line);
  pointer-events: none;
}
.corner-card {
  position: absolute;
  z-index: 2;
  width: 210px;
  min-height: 134px;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(11,11,10,.22);
}
.corner-card p,
.corner-card strong,
.side-note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.35;
}
.corner-card strong {
  color: var(--accent);
  overflow-wrap: anywhere;
}
.corner-card--left-top { top: 34px; left: clamp(18px, 6vw, 112px); }
.corner-card--right-top { top: 34px; right: clamp(18px, 6vw, 112px); text-align: right; }
.corner-card--left-bottom { bottom: 0; left: clamp(18px, 6vw, 112px); }
.corner-card--right-bottom { bottom: 0; right: clamp(18px, 6vw, 112px); text-align: right; }
.plus {
  width: 26px;
  height: 26px;
  position: relative;
}
.plus::before,
.plus::after {
  content: "";
  position: absolute;
  background: var(--accent);
}
.plus::before { top: 12px; left: 0; width: 26px; height: 2px; }
.plus::after { top: 0; left: 12px; width: 2px; height: 26px; }
.side-note {
  position: absolute;
  top: 48%;
  color: rgba(241,237,228,.7);
  writing-mode: vertical-rl;
}
.side-note--left { left: clamp(18px, 4vw, 54px); }
.side-note--right { right: clamp(18px, 4vw, 54px); }
.cover-title {
  display: flex;
  gap: .06em;
  padding: 0 clamp(18px, 5vw, 92px);
  font-family: var(--display);
  font-size: clamp(4.8rem, 15vw, 13.8rem);
  font-weight: 900;
  line-height: .82;
}
.cover-title span:nth-child(3),
.cover-title span:nth-child(4) {
  color: transparent;
  -webkit-text-stroke: 2px var(--paper);
}
.scroll-cue {
  position: absolute;
  right: clamp(18px, 6vw, 112px);
  bottom: 38px;
  width: 72px;
  height: 72px;
}
.scroll-cue svg {
  width: 100%;
  height: 100%;
  stroke: var(--paper);
  stroke-width: 2.2;
  fill: none;
}

.work,
.ppt-showcase,
.resume,
.awards,
.contact {
  padding: 92px clamp(18px, 6vw, 112px);
}
.work,
.contact {
  background: var(--paper);
  color: var(--ink);
}
.ppt-showcase {
  background: #11110f;
  color: var(--paper);
  border-top: 1px solid rgba(241,237,228,.16);
}
.section-heading,
.gallery-heading {
  max-width: var(--max);
  margin: 0 auto 28px;
  border-bottom: 2px solid currentColor;
}
.section-heading p,
.gallery-heading p,
.resume-hero p,
.awards > p {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 900;
}
.work .section-heading p { color: var(--alert); }
.ppt-showcase .section-heading p { color: var(--accent); }
.section-heading span {
  display: block;
  max-width: 760px;
  margin: 14px 0 18px;
  color: rgba(241,237,228,.66);
  line-height: 1.7;
}
.work .section-heading span,
.contact .section-heading span {
  color: rgba(11,11,10,.62);
}
.section-heading h1,
.gallery-heading h2,
.resume-hero h2,
.awards h2,
.contact h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(4rem, 12vw, 9rem);
  line-height: .86;
  font-weight: 900;
}
.project-list {
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line-dark);
}
.project-row {
  position: relative;
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 18px 28px;
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--line-dark);
  cursor: pointer;
}
.project-row::after {
  content: "ENTER";
  position: absolute;
  top: 30px;
  right: 0;
  color: var(--alert);
  font-size: .72rem;
  font-weight: 900;
  opacity: 0;
  transition: opacity 180ms ease;
}
.project-row:hover::after { opacity: 1; }
.project-number {
  font-family: var(--display);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
}
.project-copy h2 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: clamp(1.8rem, 5vw, 4.8rem);
  line-height: .9;
}
.project-copy p {
  margin: 0;
  color: var(--muted);
  font-size: .84rem;
  font-weight: 900;
}
.project-thumb {
  grid-column: 2;
  height: clamp(220px, 30vw, 390px);
  margin: 0;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-dark);
  background: #ece6db;
  overflow: hidden;
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.deck-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.deck-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 16px;
  padding: 0;
  border: 1px solid rgba(241,237,228,.22);
  background: rgba(241,237,228,.04);
  color: var(--paper);
  text-align: left;
  cursor: pointer;
}
.deck-card:hover,
.deck-card:focus-visible {
  border-color: var(--accent);
}
.deck-card-copy {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding: 22px 22px 0;
}
.deck-card-copy > span:first-child {
  color: var(--alert);
  font-family: var(--display);
  font-size: 3.2rem;
  font-weight: 900;
  line-height: .9;
}
.deck-card-copy h2 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 4.8rem);
  line-height: .9;
}
.deck-card-copy p {
  margin: 0;
  color: rgba(241,237,228,.66);
  font-size: .82rem;
  font-weight: 900;
}
.deck-card-copy > span:last-child {
  color: var(--accent);
  font-size: .74rem;
  font-weight: 900;
  white-space: nowrap;
}
.deck-card figure {
  position: relative;
  margin: 0;
  min-height: 280px;
  border-top: 1px solid rgba(241,237,228,.16);
  background: #050505;
  overflow: hidden;
}
.deck-card img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 460px;
  object-fit: contain;
}
.deck-card figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 6px 8px;
  background: rgba(11,11,10,.78);
  color: var(--accent);
  font-size: .66rem;
  font-weight: 900;
  letter-spacing: .02em;
}

.resume {
  background: var(--ink);
  color: var(--paper);
}
.resume-hero,
.resume-grid,
.timeline,
.award-list,
.contact-grid,
.wechat-card {
  max-width: var(--max);
  margin-inline: auto;
}
.resume-hero {
  margin-bottom: 34px;
  border-bottom: 2px solid rgba(241,237,228,.82);
  padding-bottom: 20px;
}
.resume-hero span {
  display: block;
  margin-top: 16px;
  color: rgba(241,237,228,.7);
  font-weight: 800;
}
.resume-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}
.resume-card {
  grid-column: span 4;
  padding: 22px;
  border: 1px solid rgba(241,237,228,.22);
  background: rgba(241,237,228,.04);
}
.resume-card--intro,
.resume-card--skills {
  grid-column: span 8;
}
.resume-card h3,
.timeline h3,
.award-list h3 {
  margin: 0 0 12px;
  font-size: 1.08rem;
}
.resume-card p,
.resume-list,
.timeline p,
.award-list p {
  margin: 0;
  color: rgba(241,237,228,.72);
  font-size: .94rem;
  line-height: 1.76;
  overflow-wrap: anywhere;
}
.resume-list {
  padding-left: 1.1em;
}
.resume-facts {
  display: grid;
  gap: 14px;
  margin: 0;
}
.resume-facts div,
.skill-grid div {
  display: grid;
  gap: 5px;
}
.resume-facts dt,
.skill-grid strong,
.timeline span,
.award-list span {
  color: var(--accent);
  font-size: .72rem;
  font-weight: 900;
}
.resume-facts dd {
  margin: 0;
  color: rgba(241,237,228,.8);
}
.skill-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.skill-grid span {
  color: rgba(241,237,228,.74);
  line-height: 1.55;
}
.timeline {
  margin-top: 42px;
  border-top: 1px solid rgba(241,237,228,.26);
}
.timeline article,
.award-list article {
  display: grid;
  grid-template-columns: minmax(130px, .22fr) minmax(0, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(241,237,228,.16);
}

.gallery-section {
  padding: 92px clamp(18px, 6vw, 112px);
  background: #10100f;
  color: var(--paper);
}
.gallery-heading span {
  display: block;
  margin: 14px 0 18px;
  color: rgba(241,237,228,.66);
}
.gallery-root {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  gap: 44px;
}
.gallery-category {
  border-top: 1px solid rgba(241,237,228,.22);
  padding-top: 18px;
}
.gallery-category-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 14px;
}
.gallery-category h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.4rem, 7vw, 5.4rem);
  line-height: .88;
}
.gallery-count {
  color: var(--alert);
  font-family: var(--display);
  font-size: 3rem;
  font-weight: 900;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.gallery-card {
  display: grid;
  grid-template-rows: minmax(170px, auto) auto;
  padding: 0;
  border: 1px solid rgba(241,237,228,.18);
  background: rgba(241,237,228,.04);
  color: var(--paper);
  text-align: left;
  cursor: zoom-in;
  overflow: hidden;
}
.gallery-card span:first-child {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  background: #050505;
}
.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.gallery-card figcaption {
  padding: 12px;
  font-size: .72rem;
  font-weight: 900;
}

.awards {
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid rgba(241,237,228,.16);
}
.awards h2 {
  max-width: var(--max);
  margin-inline: auto;
  border-bottom: 2px solid rgba(241,237,228,.82);
  padding-bottom: 20px;
}
.awards > p {
  max-width: var(--max);
  margin-inline: auto;
}
.award-list {
  margin-top: 18px;
}

.contact h2 {
  max-width: var(--max);
  margin: 0 auto 24px;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 2px solid var(--ink);
}
.contact-grid a {
  min-height: 92px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line-dark);
  font-weight: 900;
}
.contact-grid a + a {
  border-left: 1px solid var(--line-dark);
  padding-left: 28px;
}
.wechat-card {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 340px);
  border: 1px solid var(--line-dark);
  background: rgba(11,11,10,.035);
}
.wechat-copy {
  min-height: 260px;
  padding: clamp(24px, 5vw, 48px);
  display: grid;
  align-content: center;
  gap: 12px;
}
.wechat-copy p {
  margin: 0;
  color: var(--alert);
  font-size: .78rem;
  font-weight: 900;
}
.wechat-copy h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  line-height: .9;
  font-weight: 900;
}
.wechat-copy span {
  color: rgba(11,11,10,.62);
  font-weight: 800;
  line-height: 1.7;
}
.wechat-card figure {
  margin: 0;
  padding: clamp(14px, 2.4vw, 20px);
  display: grid;
  gap: 10px;
  align-content: center;
  border-left: 1px solid var(--line-dark);
  background: #fff;
}
.wechat-card img {
  width: 100%;
  max-width: 320px;
  justify-self: center;
  display: block;
}
.wechat-card figcaption {
  color: rgba(11,11,10,.58);
  font-size: .78rem;
  font-weight: 900;
  text-align: center;
}

.project-viewer,
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  padding: 22px;
  background: rgba(8,8,8,.96);
  color: var(--paper);
}
.project-viewer[hidden],
.lightbox[hidden] { display: none; }
.project-viewer-shell {
  height: 100%;
  max-width: 1560px;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  border: 1px solid rgba(241,237,228,.24);
  background: rgba(11,11,10,.92);
  overflow: hidden;
}
.project-viewer-top {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(241,237,228,.22);
}
.project-viewer-top span {
  padding: 16px 22px;
  color: var(--alert);
  font-family: var(--display);
  font-size: 2.6rem;
  font-weight: 900;
}
.project-viewer button,
.lightbox button {
  border: 0;
  border-left: 1px solid rgba(241,237,228,.22);
  background: transparent;
  color: var(--paper);
  font-weight: 900;
  cursor: pointer;
}
.project-viewer-layout {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(260px, .34fr) minmax(0, 1fr);
}
.project-viewer-copy {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: clamp(22px, 4vw, 48px);
  border-right: 1px solid rgba(241,237,228,.22);
}
.project-viewer-copy > p:first-child {
  color: var(--accent);
  font-size: .74rem;
  font-weight: 900;
}
.project-viewer-copy h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: .88;
}
.project-viewer-copy p[data-project-viewer-summary] {
  color: rgba(241,237,228,.72);
  line-height: 1.75;
}
.project-viewer-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: auto;
  border-top: 1px solid rgba(241,237,228,.22);
  border-bottom: 1px solid rgba(241,237,228,.22);
}
.project-viewer-actions button {
  min-height: 58px;
}
.project-viewer-stage {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  margin: 0;
  background: #060606;
}
.project-viewer-stage img,
.lightbox-figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.project-viewer-stage figcaption,
.lightbox-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-top: 1px solid rgba(241,237,228,.18);
  font-size: .8rem;
  font-weight: 900;
}
.project-viewer-thumbs {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(132px, 176px);
  gap: 10px;
  min-height: 124px;
  padding: 12px;
  overflow-x: auto;
  border-top: 1px solid rgba(241,237,228,.22);
}
.project-thumb-button {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  border: 1px solid rgba(241,237,228,.2);
  background: rgba(241,237,228,.04);
  color: var(--paper);
  text-align: left;
}
.project-thumb-button.is-active {
  border-color: var(--accent);
}
.project-thumb-button img {
  width: 100%;
  height: 82px;
  object-fit: contain;
  background: #050505;
}
.project-thumb-button span {
  overflow: hidden;
  padding: 8px;
  font-size: .66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lightbox {
  display: grid;
  place-items: center;
}
.lightbox-close {
  position: fixed;
  top: 18px;
  right: 18px;
  min-height: 48px;
  padding: 0 18px;
}
.lightbox-figure {
  width: min(1200px, 92vw);
  height: min(760px, 82vh);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  margin: 0;
}

@media (max-width: 920px) {
  :root { --header-h: 64px; }
  .site-header { grid-template-columns: 1fr; }
  .brand { display: none; }
  .nav-links { justify-content: flex-start; }
  .nav-links a { min-width: 96px; padding-inline: 12px; font-size: .68rem; }
  .corner-card { width: 154px; min-height: 104px; padding: 18px; }
  .corner-card--left-bottom,
  .corner-card--right-bottom,
  .side-note { display: none; }
  .cover-title { display: grid; grid-template-columns: repeat(3, 1fr); font-size: clamp(4.5rem, 22vw, 7rem); }
  .project-row { grid-template-columns: 56px minmax(0, 1fr); }
  .project-thumb { grid-column: 1 / -1; height: auto; aspect-ratio: 16 / 10; }
  .deck-grid { grid-template-columns: 1fr; }
  .resume-card,
  .resume-card--intro,
  .resume-card--skills { grid-column: 1 / -1; }
  .skill-grid,
  .timeline article,
  .award-list article,
  .contact-grid,
  .wechat-card { grid-template-columns: 1fr; }
  .contact-grid a + a { border-left: 0; padding-left: 0; }
  .wechat-card figure { border-left: 0; border-top: 1px solid var(--line-dark); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project-viewer { padding: 0; }
  .project-viewer-shell { border: 0; }
  .project-viewer-layout { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); overflow-y: auto; }
  .project-viewer-copy { border-right: 0; border-bottom: 1px solid rgba(241,237,228,.22); }
  .project-viewer-copy h2 { font-size: 2.8rem; }
  .project-viewer-actions { margin-top: 24px; }
  .project-viewer-stage { min-height: 58vh; }
}

@media (max-width: 560px) {
  .work, .ppt-showcase, .resume, .awards, .contact, .gallery-section { padding: 72px 18px; }
  .corner-card { display: none; }
  .deck-card-copy { grid-template-columns: 1fr; gap: 10px; padding: 18px 18px 0; }
  .deck-card figure { min-height: 210px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .project-viewer-copy { padding: 20px 16px; }
  .project-viewer-thumbs { grid-auto-columns: minmax(118px, 144px); }
  .wechat-copy { min-height: 210px; }
  .wechat-card img { max-width: 280px; }
}