/* ==========================================================================
   China Development Foundation Ltd.
   Visual system: deep navy, champagne gold, ivory paper, editorial serif
   ========================================================================== */

:root {
  --navy-950: #06121F;
  --navy-900: #071528;
  --navy-800: #0A1E36;
  --navy-700: #102A47;
  --ink: #14202E;
  --ink-soft: #3E4A57;
  --muted: #5C6A78;
  --gold: #C6A15B;
  --gold-light: #E3C88F;
  --gold-pale: #F1E3C4;
  --gold-deep: #8F6C28;
  --ivory: #FBF9F4;
  --ivory-deep: #F5F1E8;
  --line: #E4DFD4;
  --line-strong: #D6CEBE;
  --white: #FFFFFF;
  --serif: "Source Serif 4", "Noto Serif TC", "Songti TC", Georgia, "Times New Roman", serif;
  --sans: "Inter", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1320px;
  --header-h: 88px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
address { font-style: normal; }

p, li { text-wrap: pretty; }
h1, h3, h4, blockquote { text-wrap: balance; }

::selection { background: rgba(198, 161, 91, 0.28); color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(20px, 4.5vw, 56px);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 300;
  padding: 12px 20px;
  background: var(--navy-900);
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.04em;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* --------------------------------------------------------------------------
   Type helpers
   -------------------------------------------------------------------------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.24em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
  flex: none;
}
.eyebrow--light { color: var(--gold-light); }

h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 3.7vw, 3.15rem);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--ink);
  max-width: 760px;
  text-wrap: balance;
}

.lead {
  margin-top: 22px;
  max-width: 62ch;
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  font-weight: 300;
  line-height: 1.75;
  color: var(--muted);
}

.section {
  padding-block: clamp(76px, 9vw, 124px);
  position: relative;
}

.section-head { margin-bottom: clamp(40px, 5vw, 64px); }
.section-head h2 { margin-top: 20px; }
.section-head .lead { margin-top: 20px; }
.section-head--dark h2 { color: var(--white); }
.section-head--dark .lead { color: rgba(255, 255, 255, 0.62); }

.accent {
  font-style: italic;
  color: var(--gold-light);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 50px;
  padding: 14px 26px;
  border: 1px solid transparent;
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
  transition: background 0.35s var(--ease), color 0.35s var(--ease),
    border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.btn svg { width: 17px; height: 17px; flex: none; transition: transform 0.35s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn--gold {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy-950);
}
.btn--gold:hover { background: var(--gold-light); border-color: var(--gold-light); }

.btn--ghost {
  border-color: rgba(255, 255, 255, 0.34);
  color: var(--white);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-light); }

.btn--wide { width: 100%; margin-top: 34px; }

.textlink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
  transition: color 0.3s var(--ease), gap 0.3s var(--ease);
}
.textlink svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.textlink:hover { color: var(--navy-900); }
.textlink:hover svg { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.4s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 14px 34px -22px rgba(6, 18, 31, 0.28); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex: none;
}
.brand-mark {
  width: 46px;
  height: 46px;
  flex: none;
  transition: transform 0.5s var(--ease);
}
.brand:hover .brand-mark { transform: scale(1.04); }
.brand-text { display: flex; flex-direction: column; gap: 5px; }
.brand-name {
  font-family: var(--serif);
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: 0.005em;
  color: var(--ink);
}
.brand-sub {
  font-size: 8.5px;
  font-weight: 500;
  letter-spacing: 0.2em;
  line-height: 1.4;
  text-transform: uppercase;
  color: var(--muted);
}

.nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: clamp(22px, 2.6vw, 40px); }
.nav-list a {
  position: relative;
  display: inline-block;
  padding: 10px 0;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.055em;
  color: var(--ink);
  transition: color 0.3s var(--ease);
}
.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.nav-list a:hover { color: var(--gold-deep); }
.nav-list a:hover::after,
.nav-list a.is-active::after { transform: scaleX(1); }
.nav-list a.is-active { color: var(--gold-deep); }

.nav-mobile-foot { display: none; }

.header-actions { display: flex; align-items: center; gap: 14px; flex: none; }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease),
    background 0.3s var(--ease);
}
.lang-toggle svg { width: 14px; height: 14px; opacity: 0.75; }
.lang-toggle:hover { border-color: var(--gold); color: var(--ink); background: var(--ivory); }
.lang-opt { transition: color 0.3s var(--ease); }
.lang-opt.is-active { color: var(--gold-deep); font-weight: 600; }
.lang-sep { opacity: 0.35; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 9px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.35s var(--ease), opacity 0.25s ease;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(58% 62% at 76% 22%, rgba(198, 161, 91, 0.16) 0%, rgba(198, 161, 91, 0) 62%),
    linear-gradient(158deg, #0C2440 0%, #081A2F 46%, #06121F 100%);
  color: var(--white);
  padding-top: clamp(48px, 6vw, 80px);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 25%);
  opacity: 0.7;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 78%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(36px, 4.4vw, 58px);
}

.hero-copy { padding-top: 8px; }
.hero-copy .eyebrow { margin-bottom: 26px; }

.hero h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.8rem, 5.05vw, 4.35rem);
  line-height: 1.07;
  letter-spacing: -0.018em;
  max-width: 15.5ch;
  color: #FCFAF5;
}
.hero h1 .accent { color: var(--gold-light); }

.hero-lead {
  margin-top: 26px;
  max-width: 54ch;
  font-size: clamp(0.95rem, 1.15vw, 1.06rem);
  font-weight: 300;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.7);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-art { justify-self: end; width: 100%; max-width: 452px; position: relative; }
.monument { width: 100%; height: auto; filter: drop-shadow(0 26px 60px rgba(0, 0, 0, 0.35)); }
.hero-art-caption {
  margin-top: 4px;
  text-align: right;
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.32);
}

.monument .bar {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: barRise 1.35s var(--ease) both;
}
.monument .bar:nth-child(1) { animation-delay: 0.32s; }
.monument .bar:nth-child(2) { animation-delay: 0.25s; }
.monument .bar:nth-child(3) { animation-delay: 0.18s; }
.monument .bar:nth-child(4) { animation-delay: 0.11s; }
.monument .bar:nth-child(5) { animation-delay: 0.04s; }
.monument .bar:nth-child(6) { animation-delay: 0.11s; }
.monument .bar:nth-child(7) { animation-delay: 0.18s; }
.monument .bar:nth-child(8) { animation-delay: 0.25s; }
.monument .bar:nth-child(9) { animation-delay: 0.32s; }

@keyframes barRise {
  from { transform: scaleY(0.06); opacity: 0.25; }
  to { transform: scaleY(1); opacity: 1; }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.stat { padding: 24px 0 32px; padding-right: 24px; }
.stat + .stat { border-left: 1px solid rgba(255, 255, 255, 0.1); padding-left: clamp(18px, 2.6vw, 36px); }
.stat-value {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.4vw, 2.05rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--gold-light);
}
.stat-label {
  margin-top: 7px;
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.48);
}

/* --------------------------------------------------------------------------
   About
   -------------------------------------------------------------------------- */

.about { background: var(--white); }

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(40px, 6vw, 84px);
  align-items: start;
}

.about-body p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 66ch;
}
.about-body > p + p { margin-top: 20px; }

.pillars {
  margin-top: 44px;
  border-top: 1px solid var(--line);
}
.pillar {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.pillar-no {
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
  padding-top: 3px;
}
.pillar h3 {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.pillar p { margin-top: 7px; font-size: 14px; line-height: 1.7; color: var(--muted); }

.pullquote {
  margin-top: 48px;
  padding-left: 26px;
  border-left: 2px solid var(--gold);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.3rem, 1.9vw, 1.55rem);
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink);
  max-width: 34ch;
}

.factsheet {
  position: sticky;
  top: calc(var(--header-h) + 32px);
  background: var(--ivory);
  border-top: 2px solid var(--gold);
  padding: 34px 32px 32px;
}
.factsheet-title {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 8px;
}
.fact { padding: 14px 0; border-bottom: 1px solid rgba(20, 32, 46, 0.09); }
.fact dt {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.fact dd {
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}
.fact:first-of-type dd { font-family: var(--serif); font-size: 16px; }
.factsheet .textlink { margin-top: 24px; }

/* --------------------------------------------------------------------------
   Business
   -------------------------------------------------------------------------- */

.business { background: var(--ivory); }

.platform + .platform { margin-top: clamp(56px, 7vw, 84px); }
.platform-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  padding-top: 30px;
  border-top: 1px solid var(--line-strong);
}
.platform-kicker {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.platform-head h3 {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 2.8vw, 2.45rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.platform-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  padding-bottom: 4px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 26px;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
  background: var(--white);
}
.card {
  position: relative;
  padding: 38px clamp(26px, 3vw, 40px) 42px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--white);
  transition: background 0.45s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.55s var(--ease);
}
.card:hover { background: #FDFBF6; }
.card:hover::before { transform: scaleX(1); }
.card-no {
  font-family: var(--serif);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
}
.card h4 {
  margin: 16px 0 12px;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.7vw, 1.5rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--ink);
  max-width: 22ch;
}
.card p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 46ch;
}
.card-arrow {
  position: absolute;
  top: 30px;
  right: 30px;
  width: 20px;
  height: 20px;
  color: var(--gold-deep);
  opacity: 0.35;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.card:hover .card-arrow { opacity: 1; transform: translate(2px, -2px); }

.process {
  margin-top: clamp(56px, 7vw, 84px);
  padding: clamp(32px, 4vw, 48px);
  background: var(--white);
  border: 1px solid var(--line-strong);
}
.process-head { display: block; }
.process-head h3 {
  margin-top: 12px;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.2vw, 1.85rem);
  font-weight: 400;
  line-height: 1.25;
  color: var(--ink);
  max-width: 30ch;
}
.process-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
  margin-top: 40px;
}
.process-list li {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}
.process-list li::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}
.step-no {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-deep);
}
.process-list h4 {
  margin: 7px 0 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}
.process-list p { font-size: 13px; line-height: 1.65; color: var(--muted); }

/* --------------------------------------------------------------------------
   Philosophy
   -------------------------------------------------------------------------- */

.philosophy {
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(48% 55% at 88% 28%, rgba(198, 161, 91, 0.13) 0%, rgba(198, 161, 91, 0) 65%),
    linear-gradient(150deg, #0B2240 0%, #071528 55%, #06121F 100%);
}
.philosophy > .container { position: relative; z-index: 2; }
.phil-art {
  position: absolute;
  top: 50%;
  right: -180px;
  width: 780px;
  height: 780px;
  transform: translateY(-50%);
  opacity: 0.6;
  pointer-events: none;
}

.phil-quote {
  margin: 52px 0 clamp(48px, 6vw, 64px);
  padding-left: 30px;
  border-left: 1px solid var(--gold);
  max-width: 880px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.65rem, 2.9vw, 2.35rem);
  line-height: 1.42;
  color: #EFE4CE;
}

.mv {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.025);
}
.mv-item { padding: clamp(26px, 3.5vw, 38px); }
.mv-item + .mv-item { border-left: 1px solid rgba(255, 255, 255, 0.14); }
.mv-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-light);
}
.mv-text {
  margin-top: 14px;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  font-weight: 300;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.87);
  max-width: 44ch;
}

.values-head { margin-top: clamp(52px, 6vw, 68px); }
.values-title {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-light);
}
.values {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 36px);
  margin-top: 28px;
}
.value { padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, 0.16); }
.value-no {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
  opacity: 0.8;
}
.value h3 {
  margin: 9px 0 10px;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.3;
  color: var(--white);
}
.value p { font-size: 13px; line-height: 1.72; color: rgba(255, 255, 255, 0.55); }

.responsibility {
  margin-top: clamp(44px, 5vw, 56px);
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  max-width: 82ch;
  font-size: 12px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.4);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.contact { background: var(--ivory); }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.contact-copy h2 { margin-top: 20px; max-width: 19ch; }
.contact-copy .lead { max-width: 46ch; }

.include {
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
  max-width: 460px;
}
.include-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.include-list { margin-top: 8px; }
.include-list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(20, 32, 46, 0.08);
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
  counter-increment: inc;
}
.include-list { counter-reset: inc; }
.include-list li::before {
  content: "0" counter(inc);
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold-deep);
  padding-top: 2px;
}

.contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 3.6vw, 46px);
  background: linear-gradient(155deg, #0C2440 0%, #071528 100%);
  color: var(--white);
  box-shadow: 0 34px 70px -40px rgba(7, 21, 40, 0.55);
}
.contact-art {
  position: absolute;
  right: -130px;
  bottom: -150px;
  width: 430px;
  height: 430px;
  pointer-events: none;
  opacity: 0.85;
}
.contact-card > *:not(.contact-art) { position: relative; z-index: 1; }
.card-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-light);
}
.contact-address {
  margin: 18px 0 10px;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.7vw, 1.5rem);
  font-weight: 300;
  line-height: 1.6;
  color: #F4EBD9;
  max-width: 100%;
}
.contact-loc { font-size: 12px; letter-spacing: 0.02em; color: rgba(255, 255, 255, 0.48); }
.contact-divider { height: 1px; margin: 28px 0; background: rgba(255, 255, 255, 0.14); }
.contact-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.contact-meta-email { grid-column: 1 / -1; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, 0.12); }
.meta-link {
  display: inline-block;
  margin-top: 4px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 161, 91, 0.5);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.meta-link:hover { color: var(--gold-light); border-color: var(--gold-light); }
.meta-label {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}
.meta-value { margin-top: 4px; font-size: 13px; color: rgba(255, 255, 255, 0.8); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--navy-950);
  color: rgba(255, 255, 255, 0.6);
  padding-top: clamp(56px, 6vw, 76px);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.6fr 0.7fr 1fr;
  gap: clamp(28px, 4vw, 52px);
}
.footer-lockup { display: flex; align-items: center; gap: 16px; }
.footer-lockup img {
  width: 52px;
  height: 52px;
  padding: 6px;
  background: var(--white);
  border-radius: 50%;
  flex: none;
}
.footer-name {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--white);
}
.footer-cn {
  margin-top: 12px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.45);
}
.footer-tagline {
  margin-top: 18px;
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.52);
}
.footer-heading {
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.footer-col ul li + li { margin-top: 9px; }
.footer-col a { font-size: 13.5px; color: rgba(255, 255, 255, 0.62); transition: color 0.3s var(--ease); }
.footer-col a:hover { color: var(--gold-light); }
.footer-address { font-size: 13px; line-height: 1.9; color: rgba(255, 255, 255, 0.58); }
.footer-map {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-light);
}
.footer-map svg { width: 14px; height: 14px; }
.footer-map:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  margin-top: clamp(40px, 5vw, 60px);
  padding: 24px 0 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-legal { max-width: 76ch; font-size: 10.5px; line-height: 1.85; color: rgba(255, 255, 255, 0.55); }
.footer-copyright { font-size: 11px; color: rgba(255, 255, 255, 0.52); white-space: nowrap; }

/* --------------------------------------------------------------------------
   Reveal animation
   -------------------------------------------------------------------------- */

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}
.js .reveal.is-visible { opacity: 1; transform: none; }

.hero-copy > .reveal:nth-child(2) { transition-delay: 0.08s; }
.hero-copy > .reveal:nth-child(3) { transition-delay: 0.16s; }
.hero-copy > .reveal:nth-child(4) { transition-delay: 0.24s; }
.hero-art.reveal { transition-delay: 0.18s; }
.hero-stats.reveal { transition-delay: 0.1s; }

/* --------------------------------------------------------------------------
   Traditional Chinese typesetting
   -------------------------------------------------------------------------- */

body[data-lang="zh"] {
  letter-spacing: 0.015em;
}
body[data-lang="zh"] h1,
body[data-lang="zh"] h2,
body[data-lang="zh"] h3,
body[data-lang="zh"] h4,
body[data-lang="zh"] .stat-value,
body[data-lang="zh"] .mv-text,
body[data-lang="zh"] .card h4 {
  font-family: var(--serif);
  letter-spacing: 0.03em;
  line-height: 1.35;
}
body[data-lang="zh"] .hero h1 {
  font-size: clamp(2.3rem, 4.4vw, 3.9rem);
  line-height: 1.3;
  max-width: 20ch;
  letter-spacing: 0.04em;
}
body[data-lang="zh"] .hero h1 .accent { font-style: normal; white-space: nowrap; }
body[data-lang="zh"] .nb { white-space: nowrap; }
body[data-lang="zh"] h2 { max-width: 100%; }
body[data-lang="zh"] .lead { line-height: 1.95; font-weight: 300; }
body[data-lang="zh"] .eyebrow {
  letter-spacing: 0.24em;
  text-transform: none;
}
body[data-lang="zh"] .about-body p,
body[data-lang="zh"] .hero-lead,
body[data-lang="zh"] .platform-desc,
body[data-lang="zh"] .card p,
body[data-lang="zh"] .value p,
body[data-lang="zh"] .process-list p,
body[data-lang="zh"] .include-list li,
body[data-lang="zh"] .footer-legal {
  line-height: 1.95;
  letter-spacing: 0.02em;
}
body[data-lang="zh"] .pullquote,
body[data-lang="zh"] .phil-quote { font-style: normal; line-height: 1.7; letter-spacing: 0.03em; }
body[data-lang="zh"] .pullquote { max-width: 100%; font-size: clamp(1.2rem, 1.7vw, 1.45rem); }
body[data-lang="zh"] .phil-quote { max-width: 100%; }
body[data-lang="zh"] .contact-copy h2 { font-size: clamp(1.95rem, 2.9vw, 2.5rem); }
body[data-lang="zh"] .contact-address { line-height: 1.85; letter-spacing: 0.02em; }
body[data-lang="zh"] .brand-sub { letter-spacing: 0.14em; text-transform: none; font-size: 9px; }
body[data-lang="zh"] .btn { letter-spacing: 0.1em; }
body[data-lang="zh"] .stat-label { letter-spacing: 0.14em; text-transform: none; font-size: 10px; }
body[data-lang="zh"] .fact dt,
body[data-lang="zh"] .meta-label,
body[data-lang="zh"] .card-label,
body[data-lang="zh"] .mv-label,
body[data-lang="zh"] .values-title,
body[data-lang="zh"] .footer-heading,
body[data-lang="zh"] .include-title,
body[data-lang="zh"] .platform-kicker {
  letter-spacing: 0.14em;
  text-transform: none;
}
body[data-lang="zh"] .card h4 { max-width: 18ch; font-weight: 500; }
body[data-lang="zh"] .value-no { letter-spacing: 0.06em; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1100px) {
  .about-grid { gap: 44px; }
  .contact-grid { gap: 44px; }
  .hero-art { max-width: 430px; }
  .values { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; }
  .footer-grid { grid-template-columns: 1.4fr 0.7fr 0.7fr; }
  .footer-col--office { grid-column: 1 / -1; }
  .footer-col--office .footer-address { max-width: 44ch; }
}

@media (max-width: 900px) {
  :root { --header-h: 76px; }

  .site-header {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: #FFFFFF;
  }
  .header-inner { gap: 12px; }
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    margin: 0;
    padding: 32px clamp(24px, 7vw, 48px) 40px;
    background: linear-gradient(165deg, #0B2240 0%, #071528 100%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), visibility 0.4s;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; margin: 0; }
  .nav-list li { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
  .nav-list a {
    display: block;
    padding: 20px 0;
    font-family: var(--serif);
    font-size: 1.7rem;
    font-weight: 300;
    letter-spacing: 0.01em;
    color: rgba(255, 255, 255, 0.9);
  }
  .nav-list a::after { display: none; }
  .nav-list a.is-active { color: var(--gold-light); }
  .nav-mobile-foot { display: block; margin-top: auto; padding-top: 40px; }
  .nav-mobile-label {
    font-size: 9.5px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 10px;
  }
  .nav-mobile-address { font-size: 13px; line-height: 1.9; color: rgba(255, 255, 255, 0.55); }
  .menu-toggle { display: flex; }
  .header-actions { margin-left: auto; }
  .lang-toggle { z-index: 95; }

  .hero-inner { grid-template-columns: minmax(0, 1fr); }
  .hero-art { display: none; }
  .hero h1 { max-width: 18ch; }
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat { border-left: none !important; padding-left: 0 !important; padding-right: 0; }
  .stat:nth-child(even) { border-left: 1px solid rgba(255, 255, 255, 0.1) !important; padding-left: 28px !important; }
  .stat:nth-child(n + 3) { border-top: 1px solid rgba(255, 255, 255, 0.1); }

  .about-grid { grid-template-columns: minmax(0, 1fr); }
  .factsheet { position: static; }
  .platform-head { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .process-list { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 30px; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
  .contact-card { max-width: 560px; }
  .footer-bottom { flex-direction: column; gap: 14px; }
  .footer-copyright { white-space: normal; }
}

@media (max-width: 680px) {
  :root { --header-h: 68px; }
  .brand-mark { width: 40px; height: 40px; }
  .brand-name { font-size: 14px; }
  .brand-sub { font-size: 7.5px; letter-spacing: 0.16em; }
  .brand { gap: 10px; }
  .lang-toggle { height: 34px; padding: 0 11px; font-size: 10px; gap: 5px; }
  .lang-toggle svg { width: 12px; height: 12px; }
  .menu-toggle { width: 36px; height: 36px; }
  .header-actions { gap: 8px; }

  .section { padding-block: 68px; }
  .hero { padding-top: 40px; }
  .hero h1 { font-size: clamp(2.3rem, 9vw, 3rem); }
  body[data-lang="zh"] .hero h1 { font-size: clamp(1.95rem, 7.6vw, 2.5rem); }
  .hero-cta .btn { flex: 1 1 auto; }
  .eyebrow-brand { display: none; }
  .stat { padding-block: 20px 26px; }
  .stat-value { font-size: 1.35rem; }
  .stat-label { font-size: 9px; }
  .stat:nth-child(even) { padding-left: 20px !important; }

  .cards { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 30px 24px 34px; }
  .card-arrow { top: 24px; right: 24px; }
  .process { padding: 26px 22px; }
  .process-list { grid-template-columns: minmax(0, 1fr); }
  .values { grid-template-columns: minmax(0, 1fr); }
  .mv { grid-template-columns: minmax(0, 1fr); }
  .mv-item + .mv-item { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.14); }
  .phil-quote { padding-left: 20px; }
  .factsheet { padding: 28px 24px; }
  .pullquote { padding-left: 20px; }

  .contact-card { padding: 30px 24px; }
  .contact-address { font-size: 1.2rem; }
  .contact-meta { gap: 14px; }
  .include-list li { font-size: 13.5px; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .footer-col--office { grid-column: auto; }
  .footer-legal { font-size: 10px; }
  .footer-name { font-size: 17px; }
}

@media (max-width: 380px) {
  .header-inner { gap: 8px; padding-left: 16px; padding-right: 16px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand-name { font-size: 13px; }
  .brand-sub { display: none; }
  .header-actions { gap: 8px; }
  .lang-toggle { height: 32px; padding: 0 9px; font-size: 9.5px; gap: 4px; }
  .lang-toggle svg { width: 12px; height: 12px; }
  .menu-toggle { width: 34px; height: 34px; }
  .container { padding-left: 16px; padding-right: 16px; }
}

/* --------------------------------------------------------------------------
   Reduced motion / print
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .monument .bar { animation: none; }
}

@media print {
  .site-header, .hero-art, .menu-toggle, .lang-toggle, .phil-art, .contact-art { display: none; }
  body { color: #000; background: #fff; }
  .hero, .philosophy, .contact-card { background: #fff !important; color: #000 !important; }
  .hero h1, .hero-lead, .philosophy h2, .phil-quote, .mv-text, .value p, .value h3 { color: #000 !important; }
}