:root {
  --ink: #111612;
  --ink-2: #1b241d;
  --moss: #435d45;
  --moss-2: #6d8062;
  --paper: #f6f2e8;
  --paper-2: #ede5d3;
  --bone: #fbfaf5;
  --copper: #b77a4c;
  --brass: #d1a75b;
  --bluegreen: #6ba6a0;
  --muted: #747064;
  --line: rgba(17, 22, 18, 0.16);
  --line-dark: rgba(246, 242, 232, 0.18);
  --shadow: 0 30px 90px rgba(17, 22, 18, 0.24);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    "Noto Sans CJK SC",
    system-ui,
    sans-serif;
  line-height: 1.62;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

body.nav-open {
  overflow: hidden;
}

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

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

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  min-width: 0;
}

.site-header {
  position: fixed;
  z-index: 40;
  top: 14px;
  left: 50%;
  width: min(calc(100% - 32px), 1220px);
  height: 64px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 0 14px;
  color: var(--bone);
  border: 1px solid rgba(246, 242, 232, 0.18);
  border-radius: 8px;
  background: rgba(17, 22, 18, 0.66);
  backdrop-filter: blur(20px);
  transform: translateX(-50%);
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-header.is-scrolled,
.site-header.nav-active {
  color: var(--ink);
  background: rgba(246, 242, 232, 0.94);
  box-shadow: 0 18px 48px rgba(17, 22, 18, 0.12);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--bone);
  background:
    radial-gradient(circle at 72% 24%, var(--brass) 0 5px, transparent 6px),
    conic-gradient(from 120deg, #102019, #4e6c4f, #1d2d25, #102019);
  border: 1px solid rgba(246, 242, 232, 0.3);
  border-radius: 8px;
  font-family: "Songti SC", "STSong", serif;
  font-weight: 700;
}

.brand-copy {
  display: grid;
  min-width: 0;
}

.brand-copy strong {
  font-size: 0.98rem;
  line-height: 1.25;
  white-space: nowrap;
}

.brand-copy span {
  opacity: 0.66;
  font-size: 0.72rem;
  line-height: 1.2;
}

.site-nav {
  justify-self: center;
  display: flex;
  gap: 24px;
  font-size: 0.92rem;
}

.site-nav a {
  opacity: 0.78;
  transition: opacity 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.2;
}

.header-cta {
  padding: 0 16px;
  color: var(--ink);
  background: var(--bone);
}

.site-header.is-scrolled .header-cta,
.site-header.nav-active .header-cta {
  color: var(--bone);
  background: var(--ink);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 8px;
  color: currentColor;
  background: transparent;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.site-header.nav-active .menu-button span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.site-header.nav-active .menu-button span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 118px 0 84px;
  color: var(--bone);
  background:
    radial-gradient(circle at 72% 28%, rgba(107, 166, 160, 0.18), transparent 30%),
    radial-gradient(circle at 28% 70%, rgba(183, 122, 76, 0.16), transparent 26%),
    linear-gradient(135deg, #0d130f 0%, #17221b 45%, #101612 100%);
}

.orbit-canvas,
.hero-ink {
  position: absolute;
  inset: 0;
}

.orbit-canvas {
  opacity: 0.86;
}

.hero-ink {
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(13, 19, 15, 0.92), rgba(13, 19, 15, 0.42) 55%, rgba(13, 19, 15, 0.72)),
    linear-gradient(180deg, rgba(13, 19, 15, 0.18), rgba(13, 19, 15, 0.86));
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 0.78fr);
  gap: 58px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--brass);
  font-size: 0.82rem;
  font-weight: 900;
}

.hero h1,
.manifesto h2,
.section-kicker h2,
.engine-copy h2,
.proof-copy h2,
.cooperation-copy h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-weight: 700;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 780px;
  font-size: 5.2rem;
  line-height: 0.98;
}

.hero-lede {
  max-width: 650px;
  margin: 28px 0 0;
  color: rgba(246, 242, 232, 0.82);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
}

.trust-strip article {
  min-height: 116px;
  padding: 16px;
  border: 1px solid rgba(246, 242, 232, 0.16);
  border-radius: 8px;
  background: rgba(246, 242, 232, 0.06);
}

.trust-strip strong,
.metric-card strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
}

.trust-strip span,
.trust-strip em,
.metric-card span,
.metric-card em {
  display: block;
  margin-top: 8px;
}

.trust-strip span,
.metric-card span {
  color: var(--brass);
  font-weight: 900;
}

.trust-strip em,
.metric-card em {
  color: rgba(246, 242, 232, 0.66);
  font-size: 0.82rem;
  font-style: normal;
}

.button {
  min-width: 156px;
  padding: 0 20px;
  border: 1px solid rgba(246, 242, 232, 0.28);
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--ink);
  background: var(--bone);
}

.button-ghost {
  color: var(--bone);
  background: rgba(246, 242, 232, 0.06);
}

.star-console {
  position: relative;
  min-height: 560px;
  padding: 20px;
  border: 1px solid rgba(246, 242, 232, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(246, 242, 232, 0.08), rgba(246, 242, 232, 0.02)),
    rgba(17, 22, 18, 0.42);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.console-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: rgba(246, 242, 232, 0.68);
  font-size: 0.84rem;
}

.console-top strong {
  color: var(--bone);
}

.orbit-map {
  position: relative;
  height: 360px;
  margin-top: 18px;
}

.orbit-ring {
  position: absolute;
  inset: 50%;
  border: 1px solid rgba(209, 167, 91, 0.24);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.ring-1 {
  width: 160px;
  height: 160px;
}

.ring-2 {
  width: 260px;
  height: 260px;
}

.ring-3 {
  width: 340px;
  height: 340px;
}

.orbit-node {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border: 1px solid rgba(246, 242, 232, 0.26);
  border-radius: 50%;
  color: var(--bone);
  background:
    radial-gradient(circle at 70% 24%, rgba(209, 167, 91, 0.6), transparent 16%),
    linear-gradient(145deg, rgba(67, 93, 69, 0.92), rgba(17, 22, 18, 0.95));
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease;
}

.orbit-node:hover,
.orbit-node.is-active {
  transform: translateY(-3px) scale(1.03);
  border-color: rgba(209, 167, 91, 0.7);
}

.orbit-node span {
  font-weight: 900;
}

.node-core {
  left: calc(50% - 46px);
  top: calc(50% - 46px);
  width: 106px;
  height: 106px;
  background:
    radial-gradient(circle at 70% 24%, var(--brass), transparent 18%),
    linear-gradient(145deg, #244638, #111612);
}

.node-1 {
  left: 10%;
  top: 18%;
}

.node-2 {
  right: 8%;
  top: 25%;
}

.node-3 {
  right: 15%;
  bottom: 4%;
}

.node-4 {
  left: 14%;
  bottom: 5%;
}

.console-readout {
  min-height: 126px;
  padding: 18px;
  border: 1px solid rgba(246, 242, 232, 0.14);
  border-radius: 8px;
  background: rgba(246, 242, 232, 0.06);
}

.console-readout p,
.console-readout h2,
.console-readout span {
  margin: 0;
}

.console-readout p {
  color: var(--brass);
  font-weight: 900;
}

.console-readout h2 {
  margin-top: 4px;
  font-family: "Songti SC", "STSong", serif;
  font-size: 2rem;
}

.console-readout span {
  display: block;
  margin-top: 8px;
  color: rgba(246, 242, 232, 0.72);
}

.hero-strip {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 18px;
  display: flex;
  width: min(calc(100% - 40px), var(--max));
  justify-content: space-between;
  gap: 10px;
  transform: translateX(-50%);
}

.hero-strip span {
  flex: 1;
  min-width: 0;
  padding: 12px 10px;
  border-top: 1px solid rgba(246, 242, 232, 0.22);
  color: rgba(246, 242, 232, 0.72);
  font-size: 0.86rem;
  text-align: center;
}

.manifesto,
.digital-systems,
.brand-atlas,
.ritual,
.material-proof,
.cooperation {
  padding: 96px 0;
}

.manifesto {
  background: var(--paper);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: end;
}

.manifesto h2,
.section-kicker h2,
.engine-copy h2,
.proof-copy h2,
.cooperation-copy h2 {
  font-size: 3.05rem;
  line-height: 1.12;
}

.manifesto p:last-child,
.section-kicker > p:last-child,
.engine-copy p,
.proof-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.section-kicker {
  max-width: 760px;
}

.section-kicker > p:last-child {
  margin-top: 20px;
}

.digital-systems {
  color: var(--bone);
  background:
    radial-gradient(circle at 12% 18%, rgba(209, 167, 91, 0.16), transparent 28%),
    linear-gradient(135deg, #101612, #1a261f);
}

.digital-systems .section-kicker > p:last-child {
  color: rgba(246, 242, 232, 0.68);
}

.systems-layout {
  display: grid;
  gap: 42px;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.system-card {
  position: relative;
  overflow: hidden;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px;
  border: 1px solid rgba(246, 242, 232, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(246, 242, 232, 0.08), rgba(246, 242, 232, 0.03)),
    rgba(17, 22, 18, 0.44);
}

.system-card::before {
  position: absolute;
  inset: auto 18px 18px auto;
  width: 68px;
  height: 68px;
  border: 1px solid rgba(209, 167, 91, 0.25);
  border-radius: 50%;
  background:
    radial-gradient(circle at 64% 28%, rgba(209, 167, 91, 0.7), transparent 14%),
    linear-gradient(145deg, rgba(67, 93, 69, 0.65), rgba(17, 22, 18, 0.1));
  content: "";
}

.system-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  color: var(--brass);
  font-weight: 900;
}

.system-top em {
  color: rgba(246, 242, 232, 0.64);
  font-size: 0.82rem;
  font-style: normal;
}

.system-card h3 {
  margin: 14px 0 0;
  font-size: 1.42rem;
  line-height: 1.2;
}

.system-card p,
.system-role span {
  margin: 0;
  color: rgba(246, 242, 232, 0.68);
}

.system-role {
  min-height: 116px;
  padding: 14px;
  border-left: 2px solid rgba(209, 167, 91, 0.55);
  background: rgba(246, 242, 232, 0.06);
}

.system-role strong,
.system-role span {
  display: block;
}

.system-role strong {
  margin-bottom: 6px;
  color: var(--bone);
}

.system-card .platform-tags span {
  border-color: rgba(246, 242, 232, 0.13);
  color: var(--bone);
  background: rgba(246, 242, 232, 0.08);
}

.system-card-bottom {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin-top: auto;
  padding-top: 2px;
}

.system-card-bottom .platform-tags {
  min-height: 62px;
  align-content: flex-start;
  margin-top: 0;
}

.system-card a {
  position: relative;
  z-index: 1;
  width: min(100%, 190px);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 12px;
  border: 1px solid rgba(246, 242, 232, 0.18);
  border-radius: 8px;
  color: var(--bone);
  font-weight: 900;
  white-space: nowrap;
}

.brand-atlas {
  background:
    linear-gradient(180deg, #ede5d3, #f6f2e8),
    var(--paper-2);
}

.brand-files {
  display: grid;
  gap: 18px;
  margin-top: 42px;
}

.brand-file {
  display: grid;
  grid-template-columns: 70px 240px minmax(0, 1fr) minmax(250px, 0.42fr);
  gap: 22px;
  align-items: stretch;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.42)),
    rgba(251, 250, 245, 0.72);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.brand-file:hover {
  transform: translateY(-4px);
  border-color: rgba(183, 122, 76, 0.42);
  box-shadow: 0 24px 70px rgba(17, 22, 18, 0.12);
}

.file-index {
  color: var(--copper);
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1;
}

.brand-namecard {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 240px;
  height: 148px;
  align-self: center;
  display: grid;
  align-content: space-between;
  gap: 14px;
  padding: 16px;
  border: 1px solid rgba(17, 22, 18, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(67, 93, 69, 0.94), rgba(17, 22, 18, 0.94)),
    var(--ink);
  color: var(--bone);
  box-shadow: inset 0 0 0 1px rgba(246, 242, 232, 0.06);
}

.brand-namecard::before {
  content: "";
  position: absolute;
  inset: auto -32px -48px 52px;
  z-index: -1;
  height: 104px;
  border: 1px solid rgba(209, 167, 91, 0.34);
  border-radius: 999px;
  transform: rotate(-18deg);
}

.brand-namecard::after {
  content: "";
  position: absolute;
  right: 22px;
  top: 20px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(209, 167, 91, 0.9) 0 4px, rgba(209, 167, 91, 0.16) 5px 22px, transparent 23px);
}

.brand-file:nth-child(2n) .brand-namecard {
  background:
    linear-gradient(135deg, rgba(105, 76, 55, 0.92), rgba(17, 22, 18, 0.94)),
    var(--ink);
}

.brand-file:nth-child(3n) .brand-namecard {
  background:
    linear-gradient(135deg, rgba(33, 82, 80, 0.9), rgba(17, 22, 18, 0.94)),
    var(--ink);
}

.namecard-top,
.namecard-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.namecard-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(246, 242, 232, 0.22);
  border-radius: 8px;
  background: rgba(246, 242, 232, 0.08);
  font-family: "Songti SC", "STSong", serif;
  font-size: 1.2rem;
  font-weight: 900;
}

.namecard-code,
.namecard-bottom span,
.namecard-main em {
  color: rgba(246, 242, 232, 0.72);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 800;
}

.namecard-main {
  display: grid;
  gap: 4px;
}

.namecard-main strong {
  font-family: "Songti SC", "STSong", serif;
  font-size: 2rem;
  line-height: 1;
}

.namecard-bottom span {
  max-width: 50%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-file-copy {
  min-width: 0;
  align-self: center;
}

.file-tag {
  color: var(--moss);
  font-weight: 900;
  font-size: 0.84rem;
}

.brand-file h3 {
  margin: 8px 0 0;
  font-family: "Songti SC", "STSong", serif;
  font-size: 2.4rem;
  line-height: 1.05;
}

.brand-file p {
  max-width: 620px;
  margin: 14px 0 0;
  color: var(--muted);
}

.brand-file dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.brand-file dl div {
  padding: 14px;
  border-left: 2px solid rgba(183, 122, 76, 0.48);
  background: rgba(246, 242, 232, 0.68);
}

.brand-file dt,
.brand-file dd {
  margin: 0;
}

.brand-file dt {
  color: var(--muted);
  font-size: 0.82rem;
}

.brand-file dd {
  font-weight: 900;
}

.platform-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.platform-tags span {
  padding: 5px 9px;
  border: 1px solid rgba(67, 93, 69, 0.18);
  border-radius: 999px;
  color: var(--moss);
  background: rgba(246, 242, 232, 0.68);
  font-size: 0.78rem;
  font-weight: 900;
}

.engine {
  padding: 104px 0;
  color: var(--bone);
  background:
    radial-gradient(circle at 88% 12%, rgba(107, 166, 160, 0.18), transparent 26%),
    linear-gradient(135deg, #111612, #1d2a21);
}

.engine-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: 52px;
  align-items: center;
}

.engine-copy p {
  margin-top: 22px;
  color: rgba(246, 242, 232, 0.68);
}

.engine-board {
  border: 1px solid rgba(246, 242, 232, 0.18);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(246, 242, 232, 0.06);
}

.board-row {
  display: grid;
  grid-template-columns: 0.78fr 1fr 90px;
  gap: 18px;
  align-items: center;
  min-height: 82px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(246, 242, 232, 0.14);
}

.board-row:last-child {
  border-bottom: 0;
}

.board-head {
  min-height: 52px;
  color: var(--brass);
  font-size: 0.82rem;
  font-weight: 900;
}

.board-row span {
  color: rgba(246, 242, 232, 0.68);
}

.board-row strong {
  color: var(--bone);
}

.board-row em {
  color: var(--bluegreen);
  font-style: normal;
  font-weight: 900;
}

.engine-lanes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 48px;
}

.lane {
  min-height: 240px;
  padding: 24px;
  border: 1px solid rgba(246, 242, 232, 0.16);
  border-radius: 8px;
  background: rgba(246, 242, 232, 0.05);
}

.lane span {
  display: block;
  color: var(--brass);
  font-weight: 900;
}

.lane h3,
.ritual-wheel h3 {
  margin: 42px 0 0;
  font-size: 1.28rem;
}

.lane p,
.ritual-wheel p {
  margin: 12px 0 0;
  color: rgba(246, 242, 232, 0.66);
}

.lane ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.lane li {
  position: relative;
  padding-left: 14px;
  color: rgba(246, 242, 232, 0.76);
  font-size: 0.9rem;
}

.lane li::before {
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brass);
  content: "";
}

.dashboard-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.34fr) minmax(0, 0.66fr);
  gap: 24px;
  margin-top: 54px;
  padding: 24px;
  border: 1px solid rgba(246, 242, 232, 0.14);
  border-radius: 8px;
  background: rgba(246, 242, 232, 0.05);
}

.dashboard-shell h3 {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.2;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  min-height: 178px;
  padding: 18px;
  border: 1px solid rgba(246, 242, 232, 0.12);
  border-radius: 8px;
  background: rgba(17, 22, 18, 0.34);
}

.metric-card p {
  margin: 16px 0 0;
  color: rgba(246, 242, 232, 0.62);
  font-size: 0.9rem;
}

.ritual {
  background: var(--paper);
}

.ritual-layout {
  display: grid;
  gap: 48px;
}

.ritual-wheel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.ritual-wheel article {
  min-height: 286px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.54);
}

.ritual-wheel span {
  color: var(--copper);
  font-weight: 900;
}

.ritual-wheel p {
  color: var(--muted);
}

.ritual-wheel strong {
  display: block;
  margin-top: 18px;
  color: var(--moss);
}

.case-study {
  padding: 104px 0;
  color: var(--bone);
  background:
    linear-gradient(90deg, rgba(17, 22, 18, 0.96), rgba(17, 22, 18, 0.72)),
    var(--ink);
}

.case-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 44px;
  align-items: center;
}

.case-cover {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(246, 242, 232, 0.16);
  border-radius: 8px;
  background: rgba(246, 242, 232, 0.06);
}

.case-cover img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.case-cover span {
  position: absolute;
  left: 18px;
  top: 18px;
  padding: 7px 10px;
  border: 1px solid rgba(246, 242, 232, 0.22);
  border-radius: 999px;
  background: rgba(17, 22, 18, 0.72);
  font-size: 0.82rem;
  font-weight: 900;
}

.case-panel h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: 3rem;
  line-height: 1.12;
}

.case-panel > p {
  color: rgba(246, 242, 232, 0.72);
}

.case-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.case-columns div,
.case-next {
  padding: 18px;
  border: 1px solid rgba(246, 242, 232, 0.13);
  border-radius: 8px;
  background: rgba(246, 242, 232, 0.05);
}

.case-columns h3 {
  margin: 0 0 12px;
  color: var(--brass);
}

.case-columns ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  color: rgba(246, 242, 232, 0.72);
}

.case-metrics,
.case-timeline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.case-metrics span,
.case-timeline span {
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 900;
}

.case-metrics span {
  color: var(--ink);
  background: var(--brass);
}

.case-timeline span {
  border: 1px solid rgba(246, 242, 232, 0.15);
  color: rgba(246, 242, 232, 0.76);
}

.case-next {
  margin: 20px 0 0;
  color: rgba(246, 242, 232, 0.72);
}

.material-proof {
  color: var(--bone);
  background: var(--ink);
}

.proof-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 44px;
  align-items: center;
}

.proof-image {
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(246, 242, 232, 0.14);
}

.proof-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.proof-copy p {
  margin-top: 22px;
  color: rgba(246, 242, 232, 0.68);
}

.asset-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.asset-card {
  overflow: hidden;
  border: 1px solid rgba(246, 242, 232, 0.13);
  border-radius: 8px;
  background: rgba(246, 242, 232, 0.06);
}

.asset-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.asset-card div {
  padding: 16px;
}

.asset-card span {
  color: var(--brass);
  font-size: 0.8rem;
  font-weight: 900;
}

.asset-card h3 {
  margin: 6px 0 0;
}

.asset-card p {
  margin: 8px 0 0;
  color: rgba(246, 242, 232, 0.64);
}

.cooperation {
  background:
    radial-gradient(circle at 16% 20%, rgba(183, 122, 76, 0.14), transparent 28%),
    var(--paper);
}

.cooperation-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 52px;
  align-items: start;
}

.cooperation-copy p:last-child {
  max-width: 560px;
  margin: 22px 0 0;
  color: var(--muted);
}

.cooperation-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.cooperation-card {
  display: grid;
  gap: 14px;
  min-height: 310px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
  transition:
    transform 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.cooperation-card:hover {
  transform: translateY(-3px);
  background: var(--bone);
  box-shadow: 0 22px 60px rgba(17, 22, 18, 0.1);
}

.cooperation-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--bone);
  background: var(--ink);
  font-weight: 900;
}

.cooperation-card h3,
.contact-form h3 {
  margin: 0;
  font-size: 1.26rem;
}

.cooperation-card p,
.cooperation-card dd,
.contact-form span,
.form-note {
  color: var(--muted);
}

.cooperation-card dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.cooperation-card dt,
.cooperation-card dd {
  margin: 0;
}

.cooperation-card dt {
  color: var(--copper);
  font-size: 0.8rem;
  font-weight: 900;
}

.cooperation-card .cooperation-pick {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0 14px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  color: var(--bone);
  background: var(--ink);
  font-weight: 900;
}

.cooperation-actions a {
  min-height: 150px;
  display: grid;
  align-content: end;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
  font-weight: 900;
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.cooperation-actions a:hover {
  transform: translateY(-3px);
  background: var(--bone);
}

.contact-form {
  display: grid;
  gap: 12px;
  margin-top: 30px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.contact-form label {
  display: grid;
  gap: 6px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(17, 22, 18, 0.18);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--ink);
  background: var(--bone);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.form-note,
.form-status {
  margin: 0;
  font-size: 0.9rem;
}

.form-status {
  color: var(--moss);
  font-weight: 900;
}

.site-footer {
  padding: 28px 0;
  color: rgba(246, 242, 232, 0.7);
  background: var(--ink);
}

.footer-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 20px;
}

.footer-layout strong {
  color: var(--bone);
}

.footer-layout p {
  margin: 8px 0 0;
}

.footer-meta {
  display: grid;
  justify-items: end;
  gap: 6px;
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 560ms ease,
    transform 560ms ease;
}

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

@media (max-width: 1020px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .site-nav {
    position: fixed;
    top: 78px;
    left: 16px;
    right: 16px;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(246, 242, 232, 0.98);
    color: var(--ink);
    box-shadow: var(--shadow);
  }

  .site-header.nav-active .site-nav {
    display: grid;
  }

  .site-nav a {
    padding: 13px 8px;
  }

  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
    justify-self: end;
  }

  .hero-grid,
  .manifesto-grid,
  .system-grid,
  .engine-grid,
  .dashboard-shell,
  .case-grid,
  .proof-grid,
  .cooperation-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 4rem;
  }

  .star-console {
    min-height: 500px;
  }

  .brand-file {
    grid-template-columns: 70px 240px minmax(0, 1fr);
  }

  .brand-file dl {
    grid-column: 2 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .engine-lanes,
  .metric-grid,
  .system-grid,
  .asset-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .site-header {
    top: 10px;
    width: calc(100% - 20px);
    height: 58px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-copy span {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 102px 0 34px;
  }

  .hero-grid {
    gap: 30px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero-lede {
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .star-console {
    min-height: 430px;
    padding: 16px;
  }

  .orbit-map {
    height: 276px;
  }

  .ring-1 {
    width: 122px;
    height: 122px;
  }

  .ring-2 {
    width: 200px;
    height: 200px;
  }

  .ring-3 {
    width: 254px;
    height: 254px;
  }

  .orbit-node {
    width: 76px;
    height: 76px;
    font-size: 0.9rem;
  }

  .node-core {
    width: 86px;
    height: 86px;
    left: calc(50% - 43px);
    top: calc(50% - 43px);
  }

  .node-3 {
    right: 7%;
    bottom: 0;
  }

  .node-4 {
    left: 6%;
    bottom: 0;
  }

  .hero-strip {
    position: relative;
    left: auto;
    bottom: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(calc(100% - 28px), var(--max));
    margin: 24px auto 0;
    transform: none;
  }

  .hero-strip span {
    text-align: left;
  }

  .manifesto,
  .digital-systems,
  .brand-atlas,
  .engine,
  .ritual,
  .material-proof,
  .cooperation {
    padding: 62px 0;
  }

  .manifesto h2,
  .section-kicker h2,
  .engine-copy h2,
  .proof-copy h2,
  .cooperation-copy h2 {
    font-size: 2.15rem;
  }

  .brand-file {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .brand-namecard {
    width: min(240px, 100%);
  }

  .brand-file dl {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .engine-lanes,
  .metric-grid,
  .system-grid,
  .case-columns,
  .asset-wall,
  .ritual-wheel,
  .cooperation-actions {
    grid-template-columns: 1fr;
  }

  .board-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .case-panel h2 {
    font-size: 2.15rem;
  }

  .footer-layout {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    justify-items: start;
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

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