:root {
  --paper: #f3f1ea;
  --paper-2: #e7e5dd;
  --ink: #0b0d0b;
  --muted: #666861;
  --acid: #b7ff00;
  --green: #10bd19;
  --line: rgba(11, 13, 11, .24);
  --header-h: 72px;
  --pad: clamp(22px, 5vw, 72px);
  --max: 1180px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 18px); }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 300;
  padding: 9px 13px;
  background: var(--acid);
  color: var(--ink);
  font-weight: 750;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 80;
  min-height: var(--header-h);
  padding: 12px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-bottom: 1px solid var(--ink);
  background: rgba(243, 241, 234, .94);
  backdrop-filter: blur(14px);
}
.wordmark { display: grid; text-decoration: none; line-height: 1.1; }
.wordmark span { font-weight: 820; letter-spacing: -.02em; }
.wordmark b {
  margin-top: 4px;
  color: var(--green);
  font: 800 10px/1 "Helvetica Neue", Arial, sans-serif;
  letter-spacing: .12em;
}
.site-nav { display: flex; gap: clamp(18px, 2.4vw, 34px); }
.site-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 3px;
  background: var(--green);
  transition: right .2s ease;
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after { right: 0; }
.nav-toggle {
  display: none;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--ink);
  background: transparent;
  font-weight: 700;
}

.page-section {
  width: min(100%, calc(var(--max) + 2 * var(--pad)));
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}
.hero {
  position: relative;
  width: 100%;
  max-width: none;
  min-height: 92svh;
  padding-top: calc(var(--header-h) + clamp(80px, 14vh, 140px));
  padding-bottom: clamp(70px, 10vh, 110px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--paper);
  background: var(--ink);
  overflow: hidden;
}
.hero-copy {
  position: relative;
  z-index: 2;
  width: min(100%, var(--max));
  margin: 0 auto;
}
.hero-acid-bar {
  position: absolute;
  z-index: 3;
  top: calc(var(--header-h) + 26px);
  left: var(--pad);
  right: var(--pad);
  height: 3px;
  overflow: hidden;
  background: rgba(183, 255, 0, .18);
}
.hero-acid-bar::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: clamp(110px, 22vw, 300px);
  background: var(--acid);
}
.hero-acid-bar i {
  position: absolute;
  top: -3px;
  width: 72px;
  height: 9px;
  background: var(--acid);
  animation: signalRun 8s ease-in-out infinite;
}
.hero-dive {
  position: absolute;
  z-index: 1;
  right: clamp(-140px, -5vw, -40px);
  bottom: 5%;
  width: min(48vw, 620px);
  height: 68%;
  opacity: .105;
  pointer-events: none;
}
.hero-dive img {
  position: absolute;
  left: 18%;
  top: 5%;
  width: 72%;
  filter: grayscale(1) brightness(1.7) contrast(1.45);
  transform-origin: 55% 55%;
  animation: heroWhaleDive 10s cubic-bezier(.52,.03,.34,1) infinite;
}
.water-line {
  position: absolute;
  left: 5%;
  right: 0;
  height: 1px;
  background: var(--paper);
}
.water-line-one { top: 63%; }
.water-line-two { top: 67%; left: 25%; opacity: .45; }
@keyframes signalRun {
  0%, 12% { left: 0; opacity: 0; }
  20% { opacity: 1; }
  78% { opacity: 1; }
  88%, 100% { left: calc(100% - 72px); opacity: 0; }
}
@keyframes heroWhaleDive {
  0%, 10% { transform: translate3d(18%, -24%, 0) rotate(-13deg) scale(.82); opacity: 0; }
  18% { opacity: 1; }
  46% { transform: translate3d(-5%, 4%, 0) rotate(4deg) scale(1); opacity: 1; }
  68% { transform: translate3d(-11%, 32%, 0) rotate(29deg) scale(.96); opacity: .85; }
  82%, 100% { transform: translate3d(8%, 74%, 0) rotate(48deg) scale(.78); opacity: 0; }
}
.eyebrow,
.section-kicker,
.micro-label {
  color: var(--green);
  font: 800 12px/1.2 "Helvetica Neue", Arial, sans-serif;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero .eyebrow { color: var(--acid); }
.hero h1 {
  max-width: 880px;
  margin: 24px 0 18px;
  font-size: clamp(42px, 6.2vw, 76px);
  line-height: 1.03;
  letter-spacing: -.055em;
}
.hero h1 span { color: var(--acid); }
.hero-role { margin: 0; font-size: clamp(18px, 2vw, 24px); font-weight: 700; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 28px;
  color: #bec2ba;
  font-size: 14px;
}
.hero-meta span::before { content: "/"; margin-right: 8px; color: var(--acid); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 54px; }
.hero-actions a {
  padding-bottom: 6px;
  border-bottom: 1px solid currentColor;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
}
.hero-actions a:first-child { color: var(--acid); }

.section { padding-top: clamp(90px, 12vw, 140px); padding-bottom: clamp(100px, 13vw, 160px); }
.section-kicker { padding-bottom: 15px; border-bottom: 1px solid currentColor; }

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 320px);
  gap: clamp(38px, 8vw, 100px);
  align-items: start;
  margin-top: 54px;
}
.about-copy h2 {
  margin: 0;
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.16;
  letter-spacing: -.045em;
}
.about-copy h2 span { color: var(--green); }
.about-role { margin: 16px 0 0; font-weight: 800; color: var(--green); }
.work-notes { margin-top: 72px; border-top: 1px solid var(--ink); }
.work-notes article { padding: 34px 0; border-bottom: 1px solid var(--line); }
.work-notes h3 { margin: 8px 0 8px; font-size: clamp(23px, 2.5vw, 34px); letter-spacing: -.03em; }
.work-notes .strategy-note h3 { color: var(--green); }
.work-notes article > p:last-child { margin: 0; }
.award-story {
  display: grid;
  grid-template-columns: minmax(210px, .32fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 88px);
  align-items: start;
}
.work-note-copy { position: sticky; top: calc(var(--header-h) + 36px); }
.work-note-copy > p:last-child { margin: 0; }
.award-proof {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(190px, .65fr);
  gap: 14px;
  align-items: start;
}
.award-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink);
  color: var(--paper);
  background: var(--ink);
}
.award-card img {
  width: 100%;
  background: #111;
  object-fit: contain;
}
.award-card-lion { grid-column: 1; }
.award-card-lion img { aspect-ratio: 3.22 / 1; }
.award-card-pupil { grid-column: 1; }
.award-card-pupil img { aspect-ratio: 1.43 / 1; }
.award-card-tiger { grid-column: 2; grid-row: 1 / span 2; }
.award-card-tiger img { aspect-ratio: .668 / 1; }
.award-card figcaption { display: grid; gap: 2px; padding: 11px 12px 12px; }
.award-card figcaption strong { color: var(--acid); font-size: 13px; }
.award-card figcaption span { color: #bfc2bb; font-size: 12px; }
.strategy-note {
  display: grid;
  grid-template-columns: 180px minmax(240px, 1fr) minmax(300px, 1.3fr);
  gap: 30px;
  align-items: baseline;
}
.strategy-note h3,
.strategy-note p { margin: 0; }
.profile-photo { margin: 0; }
.profile-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--ink);
  filter: saturate(.9) contrast(1.02);
}
.profile-photo figcaption {
  margin-top: 12px;
  color: var(--muted);
  font: 700 11px/1.3 "Helvetica Neue", Arial, sans-serif;
  letter-spacing: .06em;
}
.brand-block {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--ink);
}
.brand-block-head {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}
.brand-block-head h2 {
  margin: 0;
  max-width: 880px;
  color: var(--green);
  font-size: clamp(25px, 3.2vw, 40px);
  line-height: 1.18;
  letter-spacing: -.035em;
}
.brand-block-head p {
  margin: 0;
  max-width: 840px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.brand-groups {
  display: grid;
  gap: 12px;
}
.brand-group {
  min-width: 0;
  display: grid;
  grid-template-columns: 94px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.brand-group h3 {
  margin: 0;
  padding: 9px 10px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
}
.brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.brand-item {
  min-height: 44px;
  padding: 6px 11px 6px 7px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: rgba(255, 255, 255, .16);
  text-decoration: none;
  transform-origin: center;
  transition: background .16s ease, transform .16s ease, box-shadow .16s ease;
}
.brand-logo {
  width: 42px;
  height: 28px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #fff;
}
.brand-logo img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.brand-name { white-space: nowrap; font-size: 13px; font-weight: 800; line-height: 1.2; }
.brand-item.is-linked:hover,
.brand-item.is-linked:focus-visible {
  z-index: 2;
  background: var(--acid);
  outline: none;
  transform: scale(1.055);
  box-shadow: 4px 4px 0 var(--ink);
}

.abilities-section { padding-bottom: clamp(110px, 15vw, 180px); }
.compact-lead {
  display: grid;
  grid-template-columns: minmax(0, 560px) 1fr;
  gap: 50px;
  align-items: end;
  margin: 46px 0 54px;
}
.compact-lead p {
  margin: 0;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.55;
  font-weight: 750;
}
.compact-lead > span { color: var(--muted); font-size: 14px; }
.ability-list { border-top: 1px solid var(--ink); }
.ability-row {
  width: 100%;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) 42px;
  gap: 20px;
  align-items: center;
  padding: 28px 0;
  border: 0;
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  text-align: left;
  transition: background .18s ease, padding .18s ease;
}
.ability-row:hover,
.ability-row:focus-visible,
.ability-row[aria-pressed="true"] {
  padding-left: 18px;
  padding-right: 18px;
  background: var(--acid);
}
.ability-number { color: var(--green); font-weight: 900; }
.ability-copy {
  display: grid;
  grid-template-columns: minmax(260px, .9fr) minmax(320px, 1.1fr);
  gap: 38px;
  align-items: center;
}
.ability-title {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.15;
  letter-spacing: -.04em;
  font-weight: 820;
}
.ability-detail { display: grid; gap: 7px; }
.ability-label { color: var(--green); font-weight: 850; }
.ability-description { color: #4c4e48; }
.ability-count { color: var(--muted); font-size: 12px; font-weight: 760; }
.ability-arrow { font-size: 28px; text-align: right; transition: transform .18s; }
.ability-row:hover .ability-arrow { transform: translateX(5px); }

.projects-section {
  width: 100%;
  max-width: none;
  color: var(--paper);
  background: var(--ink);
}
.projects-section > * { width: min(100%, var(--max)); margin-left: auto; margin-right: auto; }
.projects-section .section-kicker { color: var(--acid); }
.projects-intro {
  display: grid;
  grid-template-columns: minmax(0, 680px) 1fr;
  gap: 60px;
  align-items: end;
  margin-top: 46px;
  margin-bottom: 64px;
}
.projects-intro p {
  margin: 0;
  font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.6;
  font-weight: 750;
  letter-spacing: -.025em;
}
.projects-intro > span { color: #aeb1a9; font-size: 14px; }
.filter-bar {
  position: sticky;
  top: calc(var(--header-h) + 10px);
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  margin-bottom: 32px;
  padding: 13px 16px;
  border: 1px solid var(--acid);
  color: var(--paper);
  background: rgba(11, 13, 11, .92);
  backdrop-filter: blur(12px);
}
.filter-bar div { display: flex; align-items: baseline; gap: 14px; }
.filter-bar span { color: #aeb1a9; font-size: 12px; }
.filter-bar strong { font-size: 17px; }
.text-button {
  border: 0;
  border-bottom: 1px solid currentColor;
  padding: 3px 0;
  color: var(--acid);
  background: transparent;
  font-weight: 800;
}
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 64px 30px; }
.project-card { min-width: 0; }
.project-card[hidden] { display: none; }
.project-link { display: block; color: inherit; text-decoration: none; }
.project-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid #343734;
  background: #171a17;
}
.project-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.project-cover::after {
  content: "查看项目 ↗";
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 7px 10px;
  color: var(--ink);
  background: var(--acid);
  font-size: 12px;
  font-weight: 850;
  transform: translateY(50px);
  transition: transform .18s ease;
}
.project-link:hover .project-cover img,
.project-link:focus-visible .project-cover img { transform: scale(1.025); }
.project-link:hover .project-cover::after,
.project-link:focus-visible .project-cover::after { transform: translateY(0); }
.project-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 14px;
  color: var(--acid);
  font: 800 12px/1.3 "Helvetica Neue", Arial, sans-serif;
  letter-spacing: .05em;
}
.project-card h3 { margin: 7px 0 8px; font-size: clamp(23px, 2.5vw, 34px); line-height: 1.15; }
.project-line { margin: 0; max-width: 580px; color: #c9cbc5; font-size: 15px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.tag {
  padding: 4px 8px;
  border: 1px solid #565956;
  color: #c9cbc5;
  font-size: 11px;
}
.project-empty { padding: 60px 0; }

.selected-results-section { padding-top: clamp(86px, 10vw, 120px); padding-bottom: clamp(90px, 11vw, 130px); }
.selected-results-section .section-kicker { color: var(--green); }
.selected-results-section h2 {
  margin: 46px 0 12px;
  font-size: clamp(34px, 4.8vw, 60px);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.selected-results-belief {
  margin: 0;
  font-size: clamp(16px, 1.7vw, 21px);
  font-weight: 800;
}
.selected-results-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 44px;
  border: 1px solid var(--ink);
}
.selected-result {
  min-width: 0;
  padding: clamp(22px, 2.4vw, 34px);
  border-right: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  transition: background .16s ease;
}
.selected-result:nth-child(4n) { border-right: 0; }
.selected-result strong {
  display: block;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ink);
  color: var(--green);
  font-size: clamp(36px, 4.2vw, 58px);
  line-height: 1;
  letter-spacing: -.045em;
  transition: color .16s ease, transform .16s ease;
}
.selected-result span {
  display: block;
  margin-top: 20px;
  font-size: clamp(14px, 1.35vw, 17px);
  font-weight: 780;
  line-height: 1.75;
}
.selected-result:hover strong,
.selected-result:focus-visible strong { color: var(--ink); transform: translateY(-4px); }
.selected-result:hover,
.selected-result:focus-visible { background: var(--acid); outline: none; }
.selected-results-note { margin: 20px 0 0; color: #7f817b; font-size: 12px; }

.experience-head {
  margin: 52px 0 24px;
}
.experience-head h2 { margin: 0; font-size: clamp(34px, 4.5vw, 56px); }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.timeline time { color: var(--green); font-size: 13px; font-weight: 850; }
.timeline strong, .timeline b { display: block; }
.timeline strong { font-size: 24px; }
.timeline b { margin-top: 4px; color: var(--muted); }
.timeline p { margin: 10px 0 0; max-width: 670px; }

.contact-section {
  width: 100%;
  max-width: none;
  padding-top: 100px;
  padding-bottom: 100px;
  color: var(--ink);
  background: var(--acid);
}
.contact-section > * { width: min(100%, var(--max)); margin-left: auto; margin-right: auto; }
.contact-section .section-kicker { color: var(--ink); }
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 330px);
  gap: clamp(50px, 9vw, 120px);
  align-items: end;
}
.contact-section h2 {
  margin-top: 50px;
  margin-bottom: 48px;
  font-size: clamp(38px, 5.5vw, 68px);
  line-height: 1.08;
  letter-spacing: -.05em;
}
.contact-section h2 span { background: var(--ink); color: var(--acid); padding: 0 .12em; }
.contact-list { border-top: 1px solid var(--ink); }
.contact-row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--ink);
}
.contact-row > span { font: 850 12px/1 "Helvetica Neue", Arial, sans-serif; letter-spacing: .08em; }
.contact-row a, .contact-row strong { font-size: clamp(17px, 2vw, 24px); word-break: break-all; }
.copy-button {
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 7px 14px;
  color: var(--ink);
  background: transparent;
  font-size: 13px;
  font-weight: 800;
}
.copy-button:hover { color: var(--acid); background: var(--ink); }
.portfolio-download {
  display: inline-block;
  width: auto;
  margin-top: 34px;
  border-bottom: 2px solid;
  font-weight: 850;
  text-decoration: none;
}
.wechat-qr {
  margin: 50px 0 0;
  align-self: start;
}
.wechat-qr img {
  width: 100%;
  border: 1px solid var(--ink);
  background: #fff;
}
.wechat-qr figcaption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  font-size: 12px;
  font-weight: 760;
}
.wechat-qr figcaption span { font-family: "Helvetica Neue", Arial, sans-serif; }

.toast {
  position: fixed;
  z-index: 160;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 28px);
  opacity: 0;
  padding: 9px 15px;
  color: var(--acid);
  background: var(--ink);
  font-size: 13px;
  pointer-events: none;
  transition: opacity .18s, transform .18s;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
footer {
  display: flex;
  justify-content: space-between;
  padding: 24px var(--pad) 30px;
  border-top: 1px solid var(--ink);
  font-size: 12px;
}
footer a { font-weight: 800; }

/* Whale cursor */
.whale-cursor {
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 46px;
  height: 32px;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(-100px, -100px, 0);
  transition: opacity .15s ease;
  will-change: transform;
}
.whale-cursor.is-visible { opacity: 1; }
.whale-cursor img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: translate(-8px, -50%) scaleX(-1);
  filter:
    brightness(0) saturate(100%) invert(88%) sepia(97%) saturate(1200%) hue-rotate(28deg) brightness(105%)
    drop-shadow(1px 1px 0 var(--ink)) drop-shadow(-1px -1px 0 var(--ink));
}
.whale-cursor.is-clicking img { animation: whaleClick .34s cubic-bezier(.2,.8,.25,1); }
@keyframes whaleClick {
  0% { transform: translate(-8px, -50%) scaleX(-1) rotate(0) scale(1); }
  35% { transform: translate(-8px, -50%) scaleX(-1) rotate(-15deg) scale(.76); }
  70% { transform: translate(-8px, -50%) scaleX(-1) rotate(8deg) scale(1.18); }
  100% { transform: translate(-8px, -50%) scaleX(-1) rotate(0) scale(1); }
}
@media (hover: hover) and (pointer: fine) {
  .has-whale-cursor,
  .has-whale-cursor a,
  .has-whale-cursor button,
  .has-whale-cursor img[data-lightbox] { cursor: none !important; }
}

/* Project detail */
.project-body { background: var(--paper); }
.project-header {
  position: sticky;
  top: 0;
  z-index: 60;
  min-height: 64px;
  padding: 10px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  border-bottom: 1px solid var(--ink);
  background: rgba(243, 241, 234, .95);
  backdrop-filter: blur(12px);
}
.project-header a { font-weight: 800; text-decoration: none; }
.project-header .project-mini-title { color: var(--muted); font-size: 13px; }
.project-detail { max-width: 1380px; margin: 0 auto; padding: 0 var(--pad) 100px; }
.project-hero {
  display: grid;
  grid-template-columns: minmax(300px, .85fr) minmax(0, 1.3fr);
  gap: clamp(38px, 7vw, 90px);
  align-items: center;
  padding: clamp(70px, 10vw, 110px) 0;
}
.project-hero-copy .eyebrow { margin-bottom: 20px; }
.project-hero h1 { margin: 0 0 18px; font-size: clamp(40px, 5.6vw, 72px); line-height: 1; letter-spacing: -.055em; }
.project-brand { margin: 0 0 8px; color: var(--green); font-weight: 850; }
.project-one-line { font-size: clamp(18px, 2vw, 25px); font-weight: 700; line-height: 1.45; }
.project-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 24px; }
.project-tags span { padding: 5px 9px; border: 1px solid var(--ink); background: var(--acid); font-size: 12px; font-weight: 800; }
.project-overview { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--ink); }
.project-overview div { display: grid; grid-template-columns: 88px 1fr; gap: 14px; padding: 6px 0; }
.project-overview dt { color: var(--muted); font-size: 12px; }
.project-overview dd { margin: 0; font-weight: 700; }
.project-hero-media { margin: 0; position: relative; }
.project-hero-media::before { content: ""; position: absolute; inset: -10px 10px 10px -10px; z-index: -1; background: var(--acid); }
.project-hero-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--ink); }
.case-section {
  display: grid;
  grid-template-columns: 180px minmax(0, 780px);
  gap: clamp(30px, 7vw, 90px);
  padding: 58px 0;
  border-top: 1px solid var(--ink);
}
.case-section h2 { margin: 0; color: var(--green); font-size: 15px; }
.case-copy { font-size: clamp(18px, 2vw, 26px); line-height: 1.55; }
.case-copy p { margin: 0; }
.case-section.contribution {
  margin-left: calc(-1 * var(--pad));
  margin-right: calc(-1 * var(--pad));
  padding-left: var(--pad);
  padding-right: var(--pad);
  color: var(--paper);
  background: var(--ink);
}
.case-section.contribution h2 { color: var(--acid); }
.case-section.result .case-copy { font-weight: 800; }
.case-media { margin: 42px 0 80px; }
.case-media h2 { font-size: 15px; margin-bottom: 18px; }
.case-media button { width: 100%; padding: 0; border: 0; background: none; }
.case-media img { width: 100%; border: 1px solid var(--ink); }
.project-next { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 70px; }
.project-next a {
  min-height: 100px;
  padding: 16px;
  border: 1px solid var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
}
.project-next a:hover { background: var(--acid); }
.lightbox { width: min(94vw, 1500px); max-height: 92vh; padding: 0; border: 0; background: transparent; }
.lightbox::backdrop { background: rgba(0,0,0,.88); }
.lightbox img { width: 100%; max-height: 88vh; object-fit: contain; }
.lightbox button {
  position: fixed;
  right: 20px;
  top: 20px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: var(--acid);
  font-size: 24px;
}

@media (max-width: 900px) {
  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: grid;
    gap: 0;
    padding: 10px var(--pad) 18px;
    border-bottom: 1px solid var(--ink);
    background: var(--paper);
    transform: translateY(-140%);
    transition: transform .2s;
  }
  .site-nav.is-open { transform: translateY(0); }
  .site-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .about-grid { grid-template-columns: 1fr 260px; }
  .award-story { grid-template-columns: 1fr; }
  .work-note-copy { position: static; }
  .strategy-note { grid-template-columns: 150px 1fr; }
  .strategy-note > p:last-child { grid-column: 2; }
  .brand-group { grid-template-columns: 80px minmax(0, 1fr); }
  .selected-results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .selected-result { border-right: 0; }
  .selected-result:nth-child(odd) { border-right: 1px solid var(--ink); }
  .selected-result:nth-child(-n + 2) { border-bottom: 1px solid var(--ink); }
  .ability-copy { grid-template-columns: 1fr; gap: 8px; }
  .contact-layout { grid-template-columns: minmax(0, 1fr) 260px; gap: 46px; }
  .project-hero { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  :root { --header-h: 66px; --pad: 20px; }
  body { font-size: 16px; }
  .wordmark span { font-size: 14px; }
  .wordmark b { font-size: 9px; }
  .hero { min-height: 86svh; padding-top: 130px; padding-bottom: 70px; }
  .hero-acid-bar { top: calc(var(--header-h) + 20px); }
  .hero-dive { right: -34%; bottom: 13%; width: 94vw; height: 50%; opacity: .07; }
  .hero h1 { font-size: 44px; }
  .hero-role { font-size: 18px; }
  .hero-meta { display: grid; grid-template-columns: repeat(2, auto); }
  .section { padding-top: 86px; padding-bottom: 100px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-copy h2 { font-size: 34px; }
  .profile-photo { max-width: 270px; }
  .work-notes { margin-top: 56px; }
  .award-proof { grid-template-columns: 1fr; }
  .award-card-lion,
  .award-card-pupil,
  .award-card-tiger { grid-column: 1; grid-row: auto; }
  .award-card-tiger img { aspect-ratio: 1.15 / 1; object-fit: cover; object-position: center 80%; }
  .strategy-note { grid-template-columns: 1fr; gap: 8px; }
  .strategy-note > p:last-child { grid-column: auto; }
  .selected-results-section h2 { margin-bottom: 10px; }
  .selected-results-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 32px; }
  .selected-result { padding: 18px 14px 20px; }
  .selected-result strong { padding-bottom: 14px; font-size: clamp(34px, 11vw, 46px); }
  .selected-result span { margin-top: 14px; font-size: 12px; line-height: 1.65; }
  .brand-block-head { gap: 8px; }
  .brand-block-head h2 { font-size: 26px; }
  .brand-groups { gap: 18px; }
  .brand-group { grid-template-columns: 1fr; gap: 7px; }
  .brand-group h3 { padding-top: 0; }
  .brand-list { gap: 7px; }
  .brand-item { min-height: 42px; padding: 5px 9px 5px 6px; }
  .brand-logo { width: 38px; height: 27px; }
  .brand-name { font-size: 12px; }
  .compact-lead { grid-template-columns: 1fr; gap: 18px; margin: 38px 0; }
  .compact-lead p { font-size: 19px; }
  .ability-row { grid-template-columns: 36px 1fr 24px; gap: 10px; padding: 24px 0; }
  .ability-row:hover,
  .ability-row:focus-visible,
  .ability-row[aria-pressed="true"] { padding-left: 10px; padding-right: 10px; }
  .ability-title { font-size: 25px; }
  .ability-description { font-size: 14px; }
  .projects-intro { grid-template-columns: 1fr; gap: 16px; margin-bottom: 46px; }
  .projects-intro p { font-size: 18px; }
  .filter-bar { align-items: flex-start; }
  .filter-bar div { display: grid; gap: 2px; }
  .project-grid { grid-template-columns: 1fr; gap: 52px; }
  .project-card h3 { font-size: 28px; }
  .timeline li { grid-template-columns: 1fr; gap: 8px; }
  .contact-layout { grid-template-columns: 1fr; gap: 12px; }
  .contact-section h2 { font-size: 44px; }
  .contact-row { grid-template-columns: 1fr auto; gap: 8px 14px; }
  .contact-row > span { grid-column: 1 / -1; }
  .contact-row a, .contact-row strong { font-size: 17px; }
  .wechat-qr { width: min(100%, 280px); margin-top: 46px; }
  footer { padding-bottom: 26px; }
  .project-header .project-mini-title { display: none; }
  .project-hero { padding-top: 70px; }
  .project-hero h1 { font-size: 44px; }
  .case-section { grid-template-columns: 1fr; gap: 14px; padding: 46px 0; }
  .case-copy { font-size: 19px; }
  .project-next { grid-template-columns: 1fr; }
  .project-next a { min-height: 86px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}