:root {
  --obsidian: #090806;
  --black: #050505;
  --ink: #071321;
  --ink-soft: #0d2031;
  --ivory: #f4f0e7;
  --ivory-deep: #e9e1d3;
  --paper: #fbf8f1;
  --gold: #c8962f;
  --gold-bright: #e9bd57;
  --gold-pale: #f1d98a;
  --red: #8d1519;
  --muted: #6d685f;
  --line: rgba(133, 104, 43, 0.24);
  --light-line: rgba(255, 255, 255, 0.16);
  --text: #181612;
  --text-inverse: #f7f2e8;
  --header-height: 76px;
  --container: 1180px;
  --radius: 18px;
  --shadow: 0 28px 80px rgba(25, 17, 4, 0.12);
  --font-sans: "Helvetica Neue", "Avenir Next", Avenir, Arial, sans-serif;
  --font-display: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
}

html[lang="zh-CN"] {
  --font-sans: "CGU Han Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --font-display: "CGU Han Serif SC", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "STSong", serif;
}

html[lang="zh-Hant"],
html[lang="zh-HK"] {
  --font-sans: "CGU Han Sans HK", "Source Han Sans HK", "Noto Sans CJK HK", "PingFang HK", "Microsoft JhengHei", Arial, sans-serif;
  --font-display: "CGU Han Serif HK", "Source Han Serif HK", "Noto Serif CJK HK", "Songti TC", "PMingLiU", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  background: var(--obsidian);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--ivory);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.96rem + 0.16vw, 1.08rem);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
p,
figure,
ol,
ul,
dl,
dd {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 650;
  line-height: 1.12;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.25rem;
  font-size: clamp(3.25rem, 7.4vw, 7.2rem);
  letter-spacing: -0.045em;
  text-wrap: balance;
}

html:not([lang="en"]) h1 {
  max-width: 9ch;
  letter-spacing: 0.03em;
}

h2 {
  font-size: clamp(2rem, 3.7vw, 4rem);
  letter-spacing: -0.025em;
  text-wrap: balance;
}

html:not([lang="en"]) h2 {
  letter-spacing: 0.02em;
}

h3 {
  font-size: clamp(1.08rem, 1rem + 0.45vw, 1.4rem);
}

html:not([lang="en"]) h1,
html:not([lang="en"]) h2,
html:not([lang="en"]) h3 {
  font-weight: 600;
}

:focus-visible {
  outline: 3px solid var(--gold-bright);
  outline-offset: 4px;
}

::selection {
  background: var(--gold-bright);
  color: var(--black);
}

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

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 0.7rem 1rem;
  transform: translateY(-160%);
  border-radius: 999px;
  background: var(--gold-bright);
  color: var(--black);
  font-weight: 700;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.scroll-progress {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-pale));
  box-shadow: 0 0 18px rgba(233, 189, 87, 0.5);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  color: var(--text-inverse);
  transition: background 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(216, 170, 67, 0.22);
  background: rgba(6, 6, 5, 0.86);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--gold-pale);
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

html:not([lang="en"]) .brand {
  font-size: 1.05rem;
  letter-spacing: 0.16em;
  text-transform: none;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 9px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.7vw, 1.4rem);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html:not([lang="en"]) .site-nav {
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: none;
}

.site-nav > a:not(.button) {
  position: relative;
  color: rgba(255, 255, 255, 0.74);
  transition: color 180ms ease;
}

.site-nav > a:not(.button)::after {
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--gold-bright);
  content: "";
  transition: transform 180ms ease;
}

.site-nav > a:hover,
.site-nav > a[aria-current="true"] {
  color: var(--gold-pale);
}

.site-nav > a:hover::after,
.site-nav > a[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(233, 189, 87, 0.35);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.28);
  letter-spacing: 0;
  text-transform: none;
}

.language-switcher a {
  display: inline-flex;
  min-width: 34px;
  height: 30px;
  align-items: center;
  justify-content: center;
  padding: 0 0.55rem;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  transition: background 180ms ease, color 180ms ease;
}

html[lang="en"] .language-switcher a[lang^="zh"] {
  font-family: "CGU Han Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.language-switcher a:hover,
.language-switcher a[aria-current="page"] {
  background: var(--gold-bright);
  color: var(--black);
}

.menu-button {
  display: none;
  width: 48px;
  height: 48px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.22);
  color: white;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 100%;
  height: 1px;
  margin: 5px 0;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-button[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-button[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.3rem;
  border: 1px solid var(--gold-bright);
  border-radius: 999px;
  background: linear-gradient(135deg, #e8bd56, #a9781f);
  color: var(--black);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 14px 36px rgba(150, 101, 22, 0.2);
  transition: transform 180ms ease, filter 180ms ease;
}

html:not([lang="en"]) .button {
  letter-spacing: 0.12em;
  text-transform: none;
}

.button:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.button--small {
  min-height: 40px;
  padding: 0.55rem 1rem;
  font-size: 0.72rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.4rem;
  margin-top: 2rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--gold-pale);
  font-size: 0.85rem;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.text-link span {
  transition: transform 180ms ease;
}

.text-link:hover span {
  transform: translateX(5px);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  align-content: center;
  padding: calc(var(--header-height) + 70px) 0 34px;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 22%, rgba(212, 160, 48, 0.19), transparent 29%),
    radial-gradient(circle at 20% 90%, rgba(115, 18, 22, 0.17), transparent 32%),
    linear-gradient(135deg, #030303 0%, #0c0a07 58%, #1d1307 100%);
  color: var(--text-inverse);
}

.hero::before,
.hero::after {
  position: absolute;
  pointer-events: none;
  content: "";
}

.hero::before {
  top: 12%;
  right: -9vw;
  width: min(48vw, 720px);
  aspect-ratio: 1;
  transform: rotate(45deg);
  border: 1px solid rgba(216, 170, 67, 0.18);
  box-shadow: inset 0 0 0 46px rgba(216, 170, 67, 0.025), inset 0 0 0 100px rgba(216, 170, 67, 0.02);
}

.hero::after {
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  align-items: center;
  gap: clamp(2.4rem, 7vw, 7rem);
}

.hero-copy {
  padding-block: 2rem;
}

.eyebrow,
.section-label {
  margin-bottom: 1rem;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

html:not([lang="en"]) .eyebrow,
html:not([lang="en"]) .section-label {
  letter-spacing: 0.14em;
  text-transform: none;
}

.hero-tagline {
  margin-bottom: 1rem;
  color: var(--gold-bright);
  font-size: clamp(0.82rem, 0.72rem + 0.4vw, 1.05rem);
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

html:not([lang="en"]) .hero-tagline {
  letter-spacing: 0.2em;
  text-transform: none;
}

.hero-intro {
  max-width: 58ch;
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(1.05rem, 0.98rem + 0.35vw, 1.28rem);
}

.proof-strip {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 2rem;
  justify-content: space-between;
  margin-top: clamp(2rem, 6vh, 5rem);
  padding-top: 1.1rem;
  border-top: 1px solid rgba(216, 170, 67, 0.25);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

html:not([lang="en"]) .proof-strip {
  letter-spacing: 0.08em;
  text-transform: none;
}

.section {
  position: relative;
  padding: clamp(5rem, 9vw, 8.5rem) 0;
}

.section--ivory {
  background: var(--ivory);
  color: var(--text);
}

.section--bordered {
  border-top: 1px solid var(--line);
}

.section--obsidian {
  background:
    radial-gradient(circle at 86% 8%, rgba(207, 157, 52, 0.12), transparent 25%),
    linear-gradient(145deg, #060605, #14100b 68%, #0a0806);
  color: var(--text-inverse);
}

.section--ink {
  background:
    radial-gradient(circle at 87% 52%, rgba(27, 115, 168, 0.15), transparent 32%),
    linear-gradient(150deg, #05101a, #071728 60%, #0a0d12);
  color: var(--text-inverse);
}

.section--heritage {
  background:
    radial-gradient(circle at 15% 15%, rgba(205, 151, 48, 0.13), transparent 28%),
    radial-gradient(circle at 88% 86%, rgba(126, 77, 20, 0.25), transparent 32%),
    linear-gradient(145deg, #151008, #2a1d0c 55%, #0d0b08);
  color: var(--text-inverse);
}

.section-head {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 1rem;
  align-items: end;
  margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section-number {
  color: var(--gold);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 300;
  line-height: 1;
}

.section-label {
  margin: 0 0 0.7rem;
}

.gold-rule {
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent 92%);
}

.chapter-band {
  position: relative;
  overflow: hidden;
  background: var(--red);
  color: white;
}

.chapter-band::after {
  position: absolute;
  top: -120%;
  right: 8%;
  width: 320px;
  aspect-ratio: 1;
  transform: rotate(45deg);
  border: 50px solid rgba(255, 212, 117, 0.08);
  content: "";
}

.chapter-band__inner {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 190px;
  align-items: center;
  gap: 2rem;
}

.chapter-band span {
  color: var(--gold-pale);
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 300;
}

.chapter-band h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.5rem);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(280px, 1fr);
  gap: clamp(2rem, 8vw, 8rem);
  align-items: start;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.intro-grid h2,
.intro-grid p {
  margin-bottom: 0;
}

.intro-grid > p {
  color: var(--muted);
  font-size: clamp(1.08rem, 0.98rem + 0.4vw, 1.28rem);
}

.section--obsidian .intro-grid > p,
.section--ink .intro-grid > p {
  color: rgba(255, 255, 255, 0.64);
}

.intro-grid--headline {
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.8fr);
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
}

.toc-group {
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.toc-group h3 {
  min-height: 2.7em;
  margin-bottom: 1rem;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

html:not([lang="en"]) .toc-group h3 {
  letter-spacing: 0.1em;
  text-transform: none;
}

.toc-group ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-group li + li {
  border-top: 1px solid rgba(133, 104, 43, 0.12);
}

.toc-group a {
  display: grid;
  grid-template-columns: 2.3rem 1fr;
  gap: 0.45rem;
  align-items: baseline;
  padding: 0.72rem 0;
  font-size: 0.86rem;
  line-height: 1.35;
  transition: color 160ms ease, transform 160ms ease;
}

.toc-group a span {
  color: var(--gold);
  font-family: var(--font-display);
}

.toc-group a:hover {
  transform: translateX(4px);
  color: #8a5f10;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
}

.split--manifesto {
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1.1fr);
}

.split--wide-media {
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
}

.split--capabilities {
  grid-template-columns: minmax(300px, 0.75fr) minmax(0, 1.25fr);
  align-items: start;
}

.manifesto-copy h2 {
  margin-bottom: 2rem;
  font-size: clamp(2.2rem, 4.4vw, 4.8rem);
}

.manifesto-copy h2 span {
  display: block;
}

.manifesto-copy h2 span:last-child {
  color: var(--gold-bright);
}

.manifesto-copy > p:not(.signoff) {
  max-width: 55ch;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.08rem;
}

.signoff {
  margin-top: 2.8rem;
  margin-bottom: 0;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(216, 170, 67, 0.35);
  color: var(--gold-bright);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

html:not([lang="en"]) .signoff {
  letter-spacing: 0.16em;
  text-transform: none;
}

.signoff--center {
  text-align: center;
}

.media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(216, 170, 67, 0.25);
  border-radius: var(--radius);
  background: #0b0906;
  box-shadow: var(--shadow);
}

.media-frame img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.media-frame:hover img {
  transform: scale(1.018);
}

.media-frame figcaption {
  position: absolute;
  right: 0.8rem;
  bottom: 0.8rem;
  left: 0.8rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(5, 5, 5, 0.72);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.7rem;
  line-height: 1.4;
  backdrop-filter: blur(8px);
}

.media-frame--hero {
  transform: rotate(1.5deg);
  border-radius: 28px 8px 28px 8px;
  box-shadow: 0 50px 120px rgba(0, 0, 0, 0.45);
}

.media-frame--hero img {
  aspect-ratio: 4 / 5;
}

.lead-copy {
  color: var(--muted);
  font-size: clamp(1.03rem, 0.96rem + 0.3vw, 1.22rem);
}

.section--ink .lead-copy,
.section--obsidian .lead-copy,
.section--heritage .lead-copy {
  color: rgba(255, 255, 255, 0.68);
}

.subheading {
  margin: 3rem 0 1.5rem;
  font-size: 1rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

html:not([lang="en"]) .subheading {
  letter-spacing: 0.12em;
  text-transform: none;
}

.subheading--gold {
  color: var(--gold);
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.fact {
  min-height: 130px;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.38);
}

.section--ink .fact {
  background: rgba(1, 8, 14, 0.66);
}

.fact span,
.credential-record span,
.verify-row span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

html:not([lang="en"]) .fact span,
html:not([lang="en"]) .credential-record span,
html:not([lang="en"]) .verify-row span {
  letter-spacing: 0.08em;
  text-transform: none;
}

.fact strong {
  display: block;
  font-size: 1rem;
  line-height: 1.45;
}

.fact-grid--stack {
  grid-template-columns: 1fr;
}

.fact-grid--stack .fact {
  min-height: 0;
  padding: 1rem 1.2rem;
}

.code-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1rem;
}

.code-mark {
  text-align: center;
}

.code-mark span {
  display: grid;
  width: 72px;
  aspect-ratio: 1;
  place-items: center;
  margin: 0 auto 0.8rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-bright), #9a691b);
  color: #161006;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
}

.code-mark strong {
  display: block;
  font-size: 0.82rem;
  line-height: 1.35;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline::before {
  position: absolute;
  top: 23px;
  right: 10%;
  left: 10%;
  height: 1px;
  background: var(--gold);
  content: "";
}

.timeline li {
  position: relative;
  z-index: 1;
  text-align: center;
}

.timeline span {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin: 0 auto 0.8rem;
  border-radius: 50%;
  background: var(--obsidian);
  color: var(--ivory);
  font-size: 0.72rem;
}

.timeline strong {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

html:not([lang="en"]) .timeline strong {
  letter-spacing: 0.08em;
  text-transform: none;
}

.culture-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
}

.dark-panel {
  margin-top: 1.25rem;
  padding: 1.5rem;
  border: 1px solid rgba(216, 170, 67, 0.16);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.42);
}

.dark-panel h3 {
  margin-bottom: 0.6rem;
  color: var(--gold-bright);
}

.dark-panel p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
}

.principle-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 3rem 0 0;
  padding: 0;
  list-style: none;
}

.principle-strip li {
  padding-top: 1rem;
  border-top: 1px solid var(--gold);
  color: var(--gold-pale);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html:not([lang="en"]) .principle-strip li {
  letter-spacing: 0.12em;
  text-transform: none;
}

.wide-headline {
  max-width: 21ch;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

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

.value-row {
  display: grid;
  grid-template-columns: 78px minmax(180px, 0.6fr) minmax(0, 1.4fr);
  gap: 2rem;
  align-items: start;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

.value-row > span {
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
}

.value-row h3,
.value-row p {
  margin-bottom: 0;
}

.value-row p {
  color: var(--muted);
}

.motto-band {
  margin: 2.2rem 0 0;
  padding: 1.1rem 1.5rem;
  border-radius: 8px;
  background: var(--obsidian);
  color: var(--gold-pale);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-align: center;
  text-transform: uppercase;
}

html:not([lang="en"]) .motto-band {
  letter-spacing: 0.18em;
  text-transform: none;
}

.numbered-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(216, 170, 67, 0.16);
  border-radius: var(--radius);
  background: rgba(216, 170, 67, 0.16);
}

.numbered-card {
  min-height: 190px;
  padding: 1.7rem;
  background: rgba(8, 7, 5, 0.8);
}

.section--ivory .numbered-grid {
  border-color: var(--line);
  background: var(--line);
}

.section--ivory .numbered-card {
  background: rgba(255, 255, 255, 0.42);
}

.numbered-card__index {
  display: block;
  margin-bottom: 1rem;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.numbered-card h3 {
  margin-bottom: 0.65rem;
}

.numbered-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.62);
}

.section--ivory .numbered-card p {
  color: var(--muted);
}

.media-headline {
  margin-top: 1.4rem;
  color: var(--gold);
  font-size: clamp(1.5rem, 2.8vw, 2.7rem);
}

.location-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.location-card {
  min-height: 150px;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.32);
}

.location-card:first-child {
  background: var(--obsidian);
  color: var(--text-inverse);
}

.location-card h3 {
  color: var(--gold);
}

.location-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.location-card:first-child p {
  color: rgba(255, 255, 255, 0.65);
}

.credential-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.5fr);
  gap: 2rem;
  align-items: stretch;
}

.credential-panel {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: var(--radius);
  background: var(--obsidian);
  color: var(--text-inverse);
}

.credential-panel h2 {
  color: var(--gold-bright);
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.credential-panel > p {
  color: rgba(255, 255, 255, 0.66);
}

.credential-record {
  padding: 1rem 0;
  border-top: 1px solid rgba(216, 170, 67, 0.25);
}

.credential-record strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.035em;
}

.document-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.media-frame--document img {
  aspect-ratio: 3 / 4;
}

.legal-note {
  margin: 2rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--gold);
  color: var(--muted);
  font-size: 0.84rem;
}

.process-hero {
  position: relative;
  margin-bottom: 3rem;
}

.media-frame--process img {
  aspect-ratio: 12 / 4;
}

.process-hero > div {
  position: absolute;
  top: 50%;
  left: clamp(1.5rem, 5vw, 4.5rem);
  width: min(560px, calc(100% - 3rem));
  transform: translateY(-50%);
  color: white;
}

.process-hero h2 {
  margin-bottom: 0.7rem;
  color: var(--gold-pale);
}

.process-hero p {
  margin-bottom: 0;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html:not([lang="en"]) .process-hero p {
  letter-spacing: 0.12em;
  text-transform: none;
}

.process-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-steps::before {
  position: absolute;
  top: 27px;
  left: 5%;
  width: 90%;
  height: 1px;
  background: var(--gold);
  content: "";
}

.process-steps li {
  position: relative;
  z-index: 1;
  text-align: center;
}

.process-steps span {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin: 0 auto 0.8rem;
  border-radius: 50%;
  background: var(--obsidian);
  color: white;
}

.process-steps strong {
  display: block;
  font-size: 0.7rem;
  line-height: 1.35;
  text-transform: uppercase;
}

html:not([lang="en"]) .process-steps strong {
  font-size: 0.82rem;
  text-transform: none;
}

.closing-panel {
  margin-top: 3rem;
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.38);
}

.closing-panel h3 {
  margin-bottom: 0.6rem;
}

.closing-panel p {
  margin-bottom: 0;
  color: var(--muted);
}

.family-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.3rem;
}

.family-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.42);
  box-shadow: 0 18px 48px rgba(49, 34, 9, 0.07);
}

.media-frame--card {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.media-frame--card img {
  aspect-ratio: 4 / 3;
}

.family-card__body {
  padding: 1.4rem;
}

.family-card__body h3 {
  margin-bottom: 0.6rem;
}

.family-card__body p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.value-matrix {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.35);
  font-size: 0.84rem;
}

.value-matrix th,
.value-matrix td {
  padding: 1.2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.value-matrix thead th {
  background: var(--obsidian);
  color: var(--gold-pale);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html:not([lang="en"]) .value-matrix thead th {
  letter-spacing: 0.08em;
  text-transform: none;
}

.value-matrix tbody th {
  color: #8a5f10;
}

.split--product {
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
}

.split--product-reverse > .media-frame {
  order: 2;
}

.product-panel {
  align-self: stretch;
  padding: clamp(1.8rem, 4vw, 3.5rem);
  border-radius: var(--radius);
}

.product-panel--dark {
  background: var(--obsidian);
  color: var(--text-inverse);
}

.product-panel h2 {
  font-size: clamp(1.7rem, 3vw, 3rem);
}

.diamond-list,
.bullet-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.diamond-list li,
.bullet-list li {
  position: relative;
  padding: 0.8rem 0 0.8rem 1.8rem;
  border-bottom: 1px solid rgba(216, 170, 67, 0.17);
}

.diamond-list li::before {
  position: absolute;
  top: 1.27rem;
  left: 0.2rem;
  width: 9px;
  aspect-ratio: 1;
  transform: rotate(45deg);
  background: var(--gold-bright);
  content: "";
}

.bullet-list li::before {
  position: absolute;
  top: 1.25rem;
  left: 0.25rem;
  width: 8px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--gold);
  content: "";
}

.product-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.product-notes > p,
.product-notes aside {
  margin: 0;
  padding: 1.3rem;
  border-left: 2px solid var(--gold);
  color: var(--muted);
}

.product-notes aside {
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  border-radius: 0 12px 12px 0;
}

.product-notes aside h3 {
  color: var(--gold);
}

.product-notes aside p {
  margin-bottom: 0;
}

.product-copy h2 {
  font-size: clamp(1.8rem, 3vw, 3.2rem);
}

.feature-media {
  position: relative;
  margin-bottom: 3rem;
}

.media-frame--feature img {
  aspect-ratio: 16 / 7;
}

.feature-media > span {
  position: absolute;
  bottom: 1.4rem;
  left: 1.4rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.74);
  color: var(--gold-pale);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html:not([lang="en"]) .feature-media > span {
  letter-spacing: 0.1em;
  text-transform: none;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.service-card {
  min-height: 150px;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.36);
}

.service-card h3 {
  color: #81590f;
}

.service-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.flow-bar {
  display: flex;
  margin: 2rem 0 0;
  padding: 1.2rem 1.4rem;
  border-radius: 10px;
  background: linear-gradient(90deg, #a97722, #d0a03f, #a97722);
  color: var(--black);
  list-style: none;
}

.flow-bar li {
  position: relative;
  flex: 1;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-align: center;
  text-transform: uppercase;
}

html:not([lang="en"]) .flow-bar li {
  letter-spacing: 0.1em;
  text-transform: none;
}

.flow-bar li:not(:last-child)::after {
  position: absolute;
  right: -0.25rem;
  content: "→";
}

.partnership-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.partnership-card {
  padding: 1.2rem 0;
  border-top: 1px solid var(--gold);
}

.partnership-card span {
  display: block;
  margin-bottom: 1.4rem;
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.partnership-card h3 {
  margin-bottom: 0;
  font-size: 1rem;
}

.retail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.media-frame--retail img {
  aspect-ratio: 4 / 3;
}

.retail-title {
  margin: 0.8rem 0 0;
  font-size: 0.88rem;
  text-align: center;
}

.identity-panel {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 2rem;
  align-items: center;
  margin-top: 3rem;
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--obsidian);
  color: var(--text-inverse);
}

.identity-panel img {
  width: 180px;
  border-radius: 18px;
}

.identity-panel h3 {
  color: var(--gold-bright);
}

.identity-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.identity-panel li {
  padding: 0.7rem 0 0.7rem 1.5rem;
  border-bottom: 1px solid rgba(216, 170, 67, 0.16);
}

.identity-panel li::before {
  margin-left: -1.5rem;
  margin-right: 0.8rem;
  color: var(--gold-bright);
  content: "●";
}

.section--contact {
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 30%, rgba(12, 116, 173, 0.18), transparent 28%),
    linear-gradient(145deg, #02080e, #061625 60%, #07101b);
  color: var(--text-inverse);
}

.contact-headline {
  max-width: 19ch;
  margin-bottom: 3rem;
  color: var(--gold-bright);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 1.5rem;
}

.contact-card,
.verify-card {
  padding: clamp(1.5rem, 3vw, 2.6rem);
  border: 1px solid rgba(216, 170, 67, 0.18);
  border-radius: var(--radius);
  background: rgba(2, 6, 10, 0.72);
  backdrop-filter: blur(10px);
}

.contact-card h3,
.verify-card h3 {
  margin-bottom: 1.6rem;
  color: var(--gold-bright);
}

.contact-card dl {
  margin: 0;
}

.contact-card dl > div {
  padding: 1rem 0;
  border-top: 1px solid rgba(216, 170, 67, 0.16);
}

.contact-card dt {
  color: var(--gold);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

html:not([lang="en"]) .contact-card dt {
  letter-spacing: 0.08em;
  text-transform: none;
}

.contact-card dd {
  margin: 0.35rem 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.contact-card a {
  color: var(--gold-pale);
  overflow-wrap: anywhere;
}

.verify-card {
  background: rgba(8, 7, 5, 0.82);
}

.verify-card > img {
  width: 112px;
  margin-bottom: 1.5rem;
  border-radius: 14px;
}

.verify-row {
  padding: 1rem 0;
  border-top: 1px solid rgba(216, 170, 67, 0.22);
}

.verify-row strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.3vw, 1.65rem);
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
}

.verify-card > p {
  margin: 1.3rem 0 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.74rem;
}

.site-footer {
  position: relative;
  overflow: hidden;
  padding: clamp(5rem, 10vw, 9rem) 0 2rem;
  background:
    radial-gradient(circle at 50% 100%, rgba(232, 179, 61, 0.28), transparent 40%),
    linear-gradient(#151008, #2c1d0a 65%, #6e450c);
  color: var(--text-inverse);
  text-align: center;
}

.site-footer::after {
  position: absolute;
  right: -8vw;
  bottom: -30vw;
  width: 55vw;
  aspect-ratio: 1;
  transform: rotate(45deg);
  border: 7vw solid rgba(246, 199, 96, 0.09);
  content: "";
}

.footer-inner {
  position: relative;
  z-index: 1;
}

.footer-inner > img {
  width: 92px;
  margin: 0 auto 1.5rem;
  border-radius: 16px;
}

.footer-brand {
  margin-bottom: 0.5rem;
  color: var(--gold-pale);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html:not([lang="en"]) .footer-brand {
  letter-spacing: 0.18em;
  text-transform: none;
}

.footer-tagline,
.footer-statement {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

html:not([lang="en"]) .footer-tagline,
html:not([lang="en"]) .footer-statement {
  letter-spacing: 0.16em;
  text-transform: none;
}

.footer-tagline {
  color: var(--gold-bright);
}

.footer-rule {
  display: block;
  width: min(520px, 72%);
  height: 1px;
  margin: 2.2rem auto;
  background: var(--gold);
}

.footer-copyright {
  margin: 5rem 0 0;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Chinese interface copy remains deliberately regular; hierarchy comes from
   scale, spacing and colour while headings use Source Han Serif SemiBold. */
html:not([lang="en"]) .site-nav,
html:not([lang="en"]) .language-switcher a,
html:not([lang="en"]) .button {
  font-weight: 400;
}

@media (max-width: 1040px) {
  .menu-button {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 20px;
    left: 20px;
    display: grid;
    gap: 0;
    padding: 1rem;
    transform: translateY(-18px);
    border: 1px solid rgba(216, 170, 67, 0.22);
    border-radius: 18px;
    background: #060605;
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.48);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav > a:not(.button) {
    padding: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav > a:not(.button)::after {
    display: none;
  }

  .site-nav .button {
    margin-top: 0.8rem;
  }

  .language-switcher {
    width: 100%;
    margin: 0.85rem 0 0.25rem;
  }

  .language-switcher a {
    flex: 1;
    min-height: 38px;
  }

  .hero-grid {
    grid-template-columns: 1fr 0.8fr;
    gap: 3rem;
  }

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

  .code-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem 1rem;
  }

  .process-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.7rem 0.8rem;
  }

  .process-steps::before {
    display: none;
  }
}

@media (max-width: 820px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(calc(100% - 30px), var(--container));
  }

  .brand span {
    display: none;
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 48px);
  }

  .hero-grid,
  .intro-grid,
  .intro-grid--headline,
  .split,
  .split--manifesto,
  .split--wide-media,
  .split--capabilities,
  .split--product,
  .culture-grid,
  .credential-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 2rem;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  .media-frame--hero {
    width: min(100%, 560px);
    margin-inline: auto;
    transform: none;
  }

  .media-frame--hero img {
    aspect-ratio: 16 / 10;
  }

  .proof-strip {
    justify-content: flex-start;
  }

  .split--product-reverse > .media-frame {
    order: 0;
  }

  .document-grid,
  .family-grid,
  .retail-grid {
    grid-template-columns: 1fr;
  }

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

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

  .process-hero > div {
    position: static;
    width: auto;
    margin-top: 1rem;
    transform: none;
    color: var(--text);
  }

  .process-hero h2 {
    color: #7b5410;
  }

  .process-hero p {
    color: var(--muted);
  }

  .process-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-notes {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 1rem;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 4.7rem);
  }

  h2 {
    font-size: clamp(1.8rem, 9vw, 2.8rem);
  }

  .section {
    padding: 4.6rem 0;
  }

  .section-head {
    grid-template-columns: 52px 1fr;
    margin-bottom: 2.8rem;
  }

  .chapter-band__inner {
    min-height: 140px;
  }

  .toc-grid,
  .fact-grid,
  .numbered-grid,
  .service-grid,
  .document-grid,
  .location-grid,
  .principle-strip,
  .partnership-grid {
    grid-template-columns: 1fr;
  }

  .toc-group h3 {
    min-height: 0;
  }

  .fact {
    min-height: 100px;
  }

  .timeline {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1rem;
  }

  .timeline::before {
    display: none;
  }

  .value-row {
    grid-template-columns: 50px 1fr;
    gap: 0.7rem 1rem;
  }

  .value-row p {
    grid-column: 2;
  }

  .numbered-card {
    min-height: 0;
  }

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

  .flow-bar {
    display: grid;
    gap: 0.7rem;
  }

  .flow-bar li:not(:last-child)::after {
    right: 0;
    bottom: -0.75rem;
    left: 0;
    content: "↓";
  }

  .identity-panel {
    grid-template-columns: 1fr;
  }

  .identity-panel img {
    width: 120px;
  }

  .media-frame figcaption {
    font-size: 0.62rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .scroll-progress,
  .button-row,
  .skip-link {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .section,
  .chapter-band {
    break-inside: avoid;
  }
}