:root {
  --ink: #08090b;
  --ink-soft: #111318;
  --surface: #f2f0eb;
  --surface-deep: #e4e0d7;
  --paper: #faf9f6;
  --gold: #caa452;
  --gold-bright: #e4c678;
  --gold-muted: #96743b;
  --white: #f7f5ef;
  --gray: #9c9a94;
  --line-dark: rgba(255, 255, 255, 0.12);
  --line-light: rgba(10, 11, 13, 0.16);
  --container: 1180px;
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  color: #15171b;
  background: var(--surface);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.7;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

h1,
h2,
h3,
p,
blockquote,
figure {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

.scroll-progress {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--gold-bright);
  transform: scaleX(0);
  transform-origin: left center;
}

.site-header {
  position: fixed;
  z-index: 90;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  padding: 0 max(24px, calc((100vw - var(--container)) / 2));
  color: #f4efe3;
  border-bottom: 1px solid transparent;
  transition: background 250ms ease, border-color 250ms ease;
}

.site-header.scrolled {
  border-bottom-color: rgba(211, 175, 91, 0.22);
  background: rgba(5, 7, 7, 0.93);
  backdrop-filter: blur(16px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 700;
}

.wordmark-rule {
  width: 28px;
  height: 2px;
  background: #ddb85f;
  box-shadow: 0 0 14px rgba(221, 184, 95, 0.28);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 13px;
}

.site-nav a {
  position: relative;
  color: rgba(244, 239, 227, 0.66);
  transition: color 180ms ease;
}

.site-nav a::after {
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 1px;
  content: "";
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: #efcf7c;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.icon {
  width: 21px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.6;
}

.icon-close {
  display: none;
}

.hero {
  position: relative;
  min-height: min(860px, 100svh);
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 38%, rgba(176, 132, 48, 0.11), transparent 32%),
    linear-gradient(115deg, #050707 0%, #080a09 56%, #0b0c09 100%);
}

.hero-image {
  position: absolute;
  z-index: 1;
  top: calc(var(--header-height) + 66px);
  right: max(28px, calc((100vw - var(--container)) / 2));
  bottom: 82px;
  width: min(46vw, 620px);
  overflow: visible;
  pointer-events: none;
}

.hero-image::before {
  position: absolute;
  z-index: -1;
  inset: 12% 2% 10% 14%;
  content: "";
  opacity: 0.28;
  background: radial-gradient(circle, rgba(221, 184, 95, 0.18), transparent 66%);
  filter: blur(34px);
  pointer-events: none;
}

.hero-image::after {
  content: none;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 22px 46px rgba(0, 0, 0, 0.42)) drop-shadow(0 0 18px rgba(221, 184, 95, 0.08));
  transform: translate3d(var(--hero-shift-x, 0), var(--hero-shift-y, 0), 0);
  transition: transform 900ms cubic-bezier(0.2, 0.75, 0.25, 1);
  will-change: transform;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(202, 164, 82, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(202, 164, 82, 0.12) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to right, #000, transparent 70%);
  animation: grid-drift 18s linear infinite;
}

.hero-market-canvas {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.58;
  pointer-events: none;
}

.hero-scan {
  position: absolute;
  z-index: 1;
  top: 0;
  bottom: 0;
  left: -24%;
  width: 16%;
  opacity: 0.38;
  background: linear-gradient(90deg, transparent, rgba(226, 192, 111, 0.12), transparent);
  filter: blur(8px);
  transform: skewX(-16deg);
  animation: hero-scan 8s ease-in-out infinite;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(var(--container), calc(100% - 48px));
  min-height: min(860px, 100svh);
  margin: 0 auto;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--header-height);
}

.hero-copy {
  position: relative;
  z-index: 3;
  width: min(46%, 530px);
  padding: 28px 0 34px;
}

.hero-copy::after {
  position: absolute;
  z-index: -1;
  inset: -54px -90px -54px -80px;
  content: "";
  background: radial-gradient(ellipse at 30% 50%, rgba(5, 7, 7, 0.98) 0%, rgba(5, 7, 7, 0.83) 48%, transparent 76%);
  pointer-events: none;
}

.hero-kicker {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  color: #f0d184;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-shadow: 0 0 18px rgba(221, 184, 95, 0.34), 0 2px 8px rgba(0, 0, 0, 0.8);
}

.hero-kicker::before {
  width: 42px;
  height: 1px;
  flex: 0 0 auto;
  content: "";
  background: #ddb85f;
  box-shadow: 0 0 12px rgba(221, 184, 95, 0.42);
}

.hero h1 {
  max-width: 530px;
  margin-bottom: 26px;
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: clamp(68px, 6.7vw, 104px);
  color: #f3eee2;
  font-weight: 600;
  text-shadow: 0 8px 42px rgba(0, 0, 0, 0.62), 0 0 1px rgba(240, 209, 132, 0.5);
}

.hero-rule {
  width: min(500px, 72vw);
  height: 1px;
  background: rgba(240, 209, 132, 0.18);
}

.hero-rule span {
  display: block;
  width: 110px;
  height: 1px;
  background: #e2bd63;
  box-shadow: 0 0 16px rgba(226, 189, 99, 0.3);
}

.hero-next {
  position: absolute;
  z-index: 3;
  right: max(24px, calc((100vw - var(--container)) / 2));
  bottom: 34px;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.26);
  transition: border-color 180ms ease, background 180ms ease;
}

.hero-next:hover {
  border-color: var(--gold);
  background: rgba(202, 164, 82, 0.1);
}

.hero-next svg {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.section {
  position: relative;
  padding: 126px 0;
}

.section-inner {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.section-heading {
  max-width: 980px;
  margin-bottom: 64px;
}

.section-index {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--gold-muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section-index::before {
  width: 0;
  height: 1px;
  content: "";
  background: currentColor;
  transition: width 700ms cubic-bezier(0.2, 0.75, 0.25, 1) 180ms;
}

.visible .section-index::before,
.section-heading.visible .section-index::before {
  width: 30px;
}

.section-heading h2 {
  margin-bottom: 0;
  color: #111827;
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 600;
}

.section-heading-light h2 {
  color: var(--white);
}

.section-intro {
  margin-top: 20px;
  margin-bottom: 0;
  color: #55575b;
  font-size: 16px;
}

.section-heading-light .section-intro {
  color: rgba(247, 245, 239, 0.6);
}

.context-section {
  background: var(--paper);
}

.context-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.72fr);
  gap: 90px;
  align-items: start;
}

.context-copy {
  font-size: 18px;
}

.context-copy > p {
  margin-bottom: 28px;
  color: #4a4c51;
}

.context-copy blockquote {
  position: relative;
  margin: 54px 0 0;
  padding: 30px 0 0 34px;
  color: #16181c;
  border-top: 1px solid var(--line-light);
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.65;
}

.context-copy blockquote::before {
  position: absolute;
  top: 29px;
  left: 0;
  content: "“";
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 44px;
  line-height: 1;
}

.evolution-ladder {
  color: var(--white);
  border-top: 3px solid var(--gold);
  background: var(--ink-soft);
  box-shadow: 0 24px 60px rgba(20, 18, 11, 0.14);
}

.ladder-title {
  margin: 0;
  padding: 24px 30px;
  color: var(--gold-bright);
  border-bottom: 1px solid var(--line-dark);
  font-size: 13px;
  font-weight: 700;
}

.ladder-item {
  display: grid;
  min-height: 130px;
  grid-template-columns: 120px 1fr;
  align-items: center;
  padding: 26px 30px;
  border-bottom: 1px solid var(--line-dark);
}

.ladder-value {
  color: var(--gold-bright);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 32px;
}

.ladder-copy {
  display: grid;
  gap: 5px;
  color: rgba(247, 245, 239, 0.65);
  font-size: 14px;
}

.ladder-copy b {
  color: var(--white);
  font-weight: 600;
}

.shifts-section {
  color: var(--white);
  background: var(--ink);
}

.shift-list {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  list-style: none;
}

.shift-item {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 30px;
  align-items: start;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-dark);
}

.shift-number {
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
}

.shift-item h3 {
  margin-bottom: 10px;
  color: var(--white);
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: 25px;
  font-weight: 600;
}

.shift-item p {
  max-width: 780px;
  margin: 0;
  color: rgba(247, 245, 239, 0.6);
}

.partners-section {
  overflow: hidden;
  background: var(--surface-deep);
}

.partners-section::before {
  position: absolute;
  top: 0;
  right: -12vw;
  width: 40vw;
  height: 100%;
  content: "";
  opacity: 0.12;
  background: repeating-linear-gradient(90deg, transparent 0 58px, var(--gold-muted) 59px 60px);
  transform: skewX(-14deg);
}

.partners-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 80px;
  align-items: center;
}

.partners-copy {
  position: relative;
  z-index: 1;
  font-size: 17px;
}

.partners-copy .section-heading {
  margin-bottom: 44px;
}

.partners-copy > p {
  margin-bottom: 24px;
  color: #45474c;
}

.dimension-flow {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 30px 1fr 30px 1fr;
  align-items: stretch;
}

.dimension-item {
  min-height: 320px;
  padding: 34px 24px;
  color: var(--white);
  border-top: 3px solid #52545a;
  background: var(--ink-soft);
}

.dimension-item > span {
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 13px;
}

.dimension-item h3 {
  margin: 72px 0 18px;
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: 27px;
}

.dimension-item p {
  margin: 0;
  color: rgba(247, 245, 239, 0.55);
  font-size: 13px;
}

.dimension-item-active {
  color: #13151a;
  border-top-color: #9a7423;
  background: var(--gold);
}

.dimension-item-active > span,
.dimension-item-active p {
  color: rgba(19, 21, 26, 0.65);
}

.dimension-arrow {
  display: grid;
  place-items: center;
  color: var(--gold-muted);
}

.about-section {
  color: var(--white);
  background: #0c0e12;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(380px, 0.85fr);
  gap: 90px;
}

.about-copy .section-heading {
  margin-bottom: 45px;
}

.about-copy > p {
  color: rgba(247, 245, 239, 0.66);
  font-size: 17px;
}

.about-copy .about-emphasis {
  margin-top: 42px;
  color: var(--gold-bright);
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: 23px;
}

.metrics {
  border-top: 1px solid var(--line-dark);
}

.metric {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 8px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line-dark);
}

.metric::after {
  position: absolute;
  right: -15%;
  bottom: 0;
  left: -15%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--gold-bright), transparent);
  transform: translateX(-100%);
}

.metrics.visible .metric::after {
  animation: metric-line 1.25s ease forwards;
}

.metrics.visible .metric:nth-child(2)::after { animation-delay: 120ms; }
.metrics.visible .metric:nth-child(3)::after { animation-delay: 240ms; }
.metrics.visible .metric:nth-child(4)::after { animation-delay: 360ms; }

.metric strong {
  color: var(--gold-bright);
  font-family: Georgia, "Times New Roman", "STSong", serif;
  font-size: 31px;
  font-weight: 500;
}

.metric span {
  color: rgba(247, 245, 239, 0.58);
  font-size: 13px;
}

.model-section {
  background: var(--paper);
}

.model-grid {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-light);
  border-left: 1px solid var(--line-light);
  list-style: none;
}

.model-item {
  min-height: 300px;
  padding: 30px;
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  transition: color 220ms ease, background 220ms ease;
}

.model-item:hover {
  color: var(--white);
  background: var(--ink-soft);
}

.model-item > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--gold-muted);
  border: 1px solid currentColor;
  font-family: Georgia, serif;
  font-size: 13px;
}

.model-item h3 {
  min-height: 58px;
  margin: 55px 0 16px;
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: 21px;
  font-weight: 600;
}

.model-item p {
  margin: 0;
  color: #66686c;
  font-size: 14px;
  line-height: 1.75;
}

.model-item:hover p {
  color: rgba(247, 245, 239, 0.6);
}

.leverage-section {
  color: var(--white);
  background: var(--ink);
}

.leverage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.leverage-item {
  min-height: 380px;
  padding: 40px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.leverage-item > span {
  color: #5c5e63;
  font-family: Georgia, serif;
  font-size: 13px;
}

.leverage-item h3 {
  margin: 120px 0 24px;
  color: var(--gold-bright);
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: 46px;
  font-weight: 600;
}

.leverage-item h3::after {
  display: block;
  width: 45px;
  height: 1px;
  margin-top: 18px;
  content: "";
  background: var(--gold);
}

.leverage-item p {
  max-width: 260px;
  margin: 0;
  color: rgba(247, 245, 239, 0.6);
  font-size: 14px;
}

.footprint-section {
  background: var(--surface);
}

.footprint-map {
  position: relative;
  overflow: hidden;
  background: #061323;
}

.footprint-map img {
  width: 100%;
}

.footprint-map p {
  position: absolute;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 16px 22px;
  color: #15171b;
  background: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.principal-section {
  color: var(--white);
  background: #0a0c0f;
}

.principal-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.7fr) minmax(0, 1.3fr);
  gap: 72px;
  align-items: start;
}

.principal-portrait {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.principal-portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 52% center;
  filter: saturate(0.76) contrast(1.08);
}

.portrait-caption {
  padding: 28px;
  color: #111318;
  background: var(--gold);
}

.portrait-caption h3 {
  margin-bottom: 8px;
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: 32px;
}

.portrait-caption p {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
}

.principal-copy {
  padding-top: 6px;
}

.credentials {
  display: grid;
  margin: 0 0 46px;
  padding: 0 0 38px;
  gap: 9px;
  border-bottom: 1px solid var(--line-dark);
  color: var(--gold-bright);
  font-size: 14px;
  list-style: none;
}

.principal-bio > p {
  margin-bottom: 22px;
  color: rgba(247, 245, 239, 0.7);
  font-size: 16px;
}

.principal-bio .expertise {
  margin-top: 38px;
  padding: 26px 28px;
  color: #17191d;
  border-left: 3px solid #76561b;
  background: var(--gold);
  font-weight: 600;
}

.principal-gallery {
  display: grid;
  margin-top: 72px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
}

.principal-gallery figure {
  margin: 0;
  overflow: hidden;
}

.principal-gallery img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.05);
  transition: filter 250ms ease, transform 450ms ease;
}

.principal-gallery figure:hover img {
  filter: saturate(1) contrast(1);
  transform: scale(1.02);
}

.experts-section {
  background: var(--paper);
}

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

.expert {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 60px;
  padding: 44px 0;
  border-bottom: 1px solid var(--line-light);
}

.expert-heading {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 18px;
}

.expert-heading > span {
  color: var(--gold-muted);
  font-family: Georgia, serif;
  font-size: 12px;
}

.expert-heading h3 {
  margin-bottom: 10px;
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: 27px;
}

.expert-heading p {
  margin: 0;
  color: var(--gold-muted);
  font-size: 13px;
  font-weight: 700;
}

.expert-copy p {
  margin-bottom: 18px;
  color: #55575c;
}

.expert-copy .expert-point {
  position: relative;
  margin: 0;
  padding-left: 20px;
  color: #1b1d22;
  font-weight: 600;
}

.expert-point::before {
  position: absolute;
  top: 0;
  left: 0;
  content: "▸";
  color: var(--gold-muted);
}

.partial-team {
  margin: 30px 0 0;
  color: #818287;
  font-size: 12px;
}

.projects-section {
  color: var(--white);
  background: var(--ink);
  padding-bottom: 88px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.project {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  min-width: 0;
  margin: 0;
  padding: 20px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  background: #0d0f13;
  border-color: rgba(202, 164, 82, 0.18);
  background: linear-gradient(145deg, #121318 0%, #0b0d10 68%);
  transition: background 240ms ease, border-color 240ms ease, transform 240ms ease, box-shadow 240ms ease;
}

.project::before {
  position: absolute;
  z-index: 2;
  top: 19px;
  right: 19px;
  width: 13px;
  height: 13px;
  content: "";
  border-top: 1px solid rgba(228, 198, 120, 0.78);
  border-right: 1px solid rgba(228, 198, 120, 0.78);
  pointer-events: none;
}

.project::after {
  position: absolute;
  z-index: 3;
  top: -35%;
  bottom: -35%;
  left: -70%;
  width: 35%;
  content: "";
  opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 226, 154, 0.24), transparent);
  filter: blur(3px);
  transform: skewX(-18deg);
  transition: left 620ms ease, opacity 180ms ease;
  pointer-events: none;
}

.project:hover {
  z-index: 2;
  border-color: rgba(228, 198, 120, 0.58);
  background: linear-gradient(145deg, #191a20 0%, #101216 70%);
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.28), inset 0 0 0 1px rgba(228, 198, 120, 0.18);
  transform: translateY(-4px);
}

.project:hover::after {
  left: 138%;
  opacity: 1;
}

.project img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  padding: 4px;
  border: 1px solid rgba(202, 164, 82, 0.46);
  background: #fff;
  box-shadow: inset 0 0 0 4px #fff, 0 8px 28px rgba(0, 0, 0, 0.16);
  image-rendering: auto;
  transition: border-color 240ms ease, filter 240ms ease, transform 320ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.project:hover img {
  border-color: var(--gold-bright);
  filter: saturate(1.08) contrast(1.04);
  transform: scale(1.025);
}

.project:nth-last-child(-n + 2) {
  display: grid;
  grid-column: span 2;
  grid-template-columns: minmax(220px, 0.92fr) minmax(0, 1.08fr);
  grid-template-rows: auto 1fr;
  column-gap: 28px;
  align-items: center;
  padding: 24px;
}

.project:nth-last-child(-n + 2) img {
  grid-row: 1 / 3;
}

.project:nth-last-child(-n + 2) h3 {
  align-self: end;
  margin: 0 0 6px;
  font-size: 19px;
}

.project:nth-last-child(-n + 2) p {
  align-self: start;
}

.project h3 {
  margin: 20px 0 4px;
  color: var(--white);
  font-size: 16px;
}

.project p {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 11px;
}

.project-summary {
  position: relative;
  display: grid;
  margin: 52px 0 0;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  overflow: hidden;
  color: var(--white);
  border: 1px solid rgba(202, 164, 82, 0.34);
  background: linear-gradient(105deg, rgba(202, 164, 82, 0.12), rgba(202, 164, 82, 0.025) 58%, transparent);
  font-family: "STSong", "Songti SC", SimSun, serif;
}

.project-summary::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  content: "";
  background: var(--gold-bright);
}

.project-summary strong,
.project-summary span {
  display: flex;
  min-height: 118px;
  align-items: center;
  padding: 24px 34px;
}

.project-summary strong {
  color: var(--gold-bright);
  border-right: 1px solid rgba(202, 164, 82, 0.24);
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 600;
  line-height: 1.45;
}

.project-summary span {
  color: rgba(247, 245, 239, 0.76);
  font-size: clamp(16px, 1.55vw, 21px);
  line-height: 1.7;
}

.closing {
  position: relative;
  display: grid;
  min-height: 560px;
  place-items: center;
  overflow: hidden;
  color: var(--white);
  background: #08090b;
}

.closing::before,
.closing::after {
  position: absolute;
  left: 50%;
  width: min(var(--container), calc(100% - 48px));
  height: 1px;
  content: "";
  background: rgba(202, 164, 82, 0.32);
  transform: translateX(-50%);
}

.closing::before {
  top: 0;
}

.closing::after {
  bottom: 0;
}

.closing-mark {
  position: absolute;
  inset: 0;
  opacity: 0.12;
}

.closing-mark::after {
  position: absolute;
  inset: 0;
  content: "";
  background: radial-gradient(circle at 70% 45%, transparent 0, #08090b 62%);
}

.closing-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 42%;
  filter: grayscale(1);
}

.closing-inner {
  position: relative;
  z-index: 1;
  width: min(900px, calc(100% - 48px));
  text-align: center;
}

.closing h2 {
  margin-bottom: 28px;
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 600;
}

.closing-inner > p {
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
  color: rgba(247, 245, 239, 0.64);
  font-size: 17px;
}

.closing-inner .closing-call {
  margin-top: 30px;
  color: var(--gold-bright);
  font-family: "STSong", "Songti SC", SimSun, serif;
  font-size: 25px;
  font-weight: 600;
}

.site-footer {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(24px, calc((100vw - var(--container)) / 2));
  color: #77797e;
  background: #050607;
  font-family: Georgia, "Songti SC", serif;
  font-size: 12px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.js .reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes grid-drift {
  to { background-position: 80px 0, 80px 0; }
}

@keyframes hero-scan {
  0%, 14% { left: -24%; opacity: 0; }
  30% { opacity: 0.4; }
  68%, 100% { left: 112%; opacity: 0; }
}

@keyframes metric-line {
  to { transform: translateX(100%); }
}

@media (max-width: 1050px) {
  .hero-image {
    right: 18px;
    width: 56vw;
  }

  .hero-copy {
    width: 50%;
  }

  .model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .project {
    grid-column: span 2;
  }

  .project:nth-last-child(-n + 2) {
    display: block;
    grid-column: span 3;
    padding: 20px;
  }

  .project:nth-last-child(-n + 2) h3 {
    margin: 20px 0 4px;
    font-size: 16px;
  }

  .partners-layout,
  .about-layout {
    gap: 50px;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 64px;
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: inline-flex;
  }

  .menu-open .icon-menu {
    display: none;
  }

  .menu-open .icon-close {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    visibility: hidden;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    opacity: 0;
    background: rgba(8, 9, 11, 0.98);
    font-family: "STSong", "Songti SC", SimSun, serif;
    font-size: 28px;
    transition: opacity 200ms ease, visibility 200ms ease;
  }

  .site-nav.open {
    visibility: visible;
    opacity: 1;
  }

  .site-nav a {
    color: var(--white);
  }

  .hero {
    min-height: 760px;
  }

  .hero-inner {
    justify-content: flex-end;
    min-height: 760px;
    padding-bottom: 112px;
  }

  .hero-image {
    top: 74px;
    right: 16px;
    bottom: auto;
    width: min(88vw, 560px);
    height: 49%;
  }

  .hero-image img {
    object-position: right top;
    transform: none;
  }

  .hero-copy {
    width: 100%;
    padding: 30px 0 0;
  }

  .hero-copy::after {
    inset: -46px -30px -38px;
    background: linear-gradient(0deg, rgba(5, 7, 7, 0.98) 0%, rgba(5, 7, 7, 0.96) 72%, transparent 100%);
  }

  .section {
    padding: 94px 0;
  }

  .section-heading {
    margin-bottom: 50px;
  }

  .context-layout,
  .partners-layout,
  .about-layout,
  .principal-layout,
  .expert {
    grid-template-columns: 1fr;
  }

  .context-layout,
  .partners-layout,
  .about-layout,
  .principal-layout {
    gap: 56px;
  }

  .principal-portrait {
    position: relative;
    top: auto;
    max-width: 540px;
  }

  .expert {
    gap: 30px;
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project:nth-last-child(-n + 2) {
    grid-column: auto;
  }

  .project {
    grid-column: auto;
  }

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

  .project-summary strong,
  .project-summary span {
    min-height: auto;
  }

  .project-summary strong {
    border-right: 0;
    border-bottom: 1px solid rgba(202, 164, 82, 0.24);
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 0 18px;
  }

  .hero-inner,
  .section-inner,
  .closing-inner {
    width: min(100% - 36px, var(--container));
  }

  .hero h1 {
    font-size: 54px;
  }

  .hero-kicker {
    gap: 11px;
    font-size: 12px;
    letter-spacing: 0.18em;
  }

  .hero-kicker::before {
    width: 28px;
  }

  .hero-next {
    right: 18px;
    bottom: 24px;
  }

  .section {
    padding: 76px 0;
  }

  .section-heading h2 {
    font-size: 36px;
  }

  .context-copy {
    font-size: 16px;
  }

  .context-copy blockquote {
    padding-left: 25px;
    font-size: 20px;
  }

  .ladder-item {
    min-height: 112px;
    grid-template-columns: 96px 1fr;
    padding: 22px;
  }

  .ladder-value {
    font-size: 26px;
  }

  .shift-item {
    grid-template-columns: 54px 1fr;
    gap: 14px;
    padding: 28px 0;
  }

  .shift-item h3 {
    font-size: 21px;
  }

  .dimension-flow {
    grid-template-columns: 1fr;
  }

  .dimension-item {
    min-height: 240px;
  }

  .dimension-item h3 {
    margin-top: 50px;
  }

  .dimension-arrow {
    height: 48px;
    transform: rotate(90deg);
  }

  .model-grid,
  .leverage-grid,
  .principal-gallery {
    grid-template-columns: 1fr;
  }

  .model-item {
    min-height: 260px;
  }

  .leverage-item {
    min-height: 300px;
  }

  .leverage-item h3 {
    margin-top: 78px;
  }

  .expert-heading {
    grid-template-columns: 32px 1fr;
  }

  .project {
    padding: 12px;
  }

  .project:nth-last-child(-n + 2) {
    padding: 12px;
  }

  .project img {
    padding: 3px;
  }

  .project h3 {
    margin-top: 14px;
    font-size: 14px;
  }

  .project:nth-last-child(-n + 2) h3 {
    margin: 14px 0 4px;
    font-size: 14px;
  }

  .project p {
    font-size: 10px;
  }

  .closing {
    min-height: 540px;
  }

  .project-summary {
    margin-top: 36px;
  }

  .project-summary strong,
  .project-summary span {
    padding: 22px 24px;
  }

  .site-footer {
    padding: 0 18px;
  }
}

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

  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}