/* =========================================================
   XCD · 旭城达 — brand website
   VI: 朱砂红 #C63A28 / 深赭石 #7A4A2B / 炭灰 #3A3D44
       米白 #FFF5E6 / 旭日橙 #E8491D (interaction only)
   Type: 思源黑体 SC / Futura / Helvetica Neue
   ========================================================= */

:root {
  --red: #c63a28;
  --red-deep: #a52d1e;
  --brown: #7a4a2b;
  --ink: #3a3d44;
  --cream: #fff5e6;
  --orange: #e8491d;
  --bg: #fff5e6;
  --paper: #fffdf8;
  --muted: #6f665f;
  --line: rgba(58, 61, 68, 0.17);
  --line-strong: rgba(58, 61, 68, 0.34);
  --dark: #3a3d44;
  --font-cn: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-en: "Futura", "Futura Medium", "Century Gothic", "Jost", sans-serif;
  --font-aux: "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --container: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.78;
  font-weight: 400;
  letter-spacing: 0.01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

[lang="en"] body {
  font-family: var(--font-aux);
  letter-spacing: 0.005em;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
::selection { background: var(--red); color: var(--cream); }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--cream);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

/* ---------- layout ---------- */
.container {
  width: min(100%, var(--container));
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: clamp(72px, 9vw, 138px);
}

.section--tight { padding-block: clamp(56px, 6.5vw, 94px); }
.section--paper { background: var(--paper); }
.section--cream { background: var(--cream); }
.section--dark { background: var(--dark); color: var(--cream); }
.section--line { border-top: 1px solid var(--line); }

.section--dark .lead,
.section--dark .muted { color: rgba(255, 245, 230, 0.72); }
.section--dark .eyebrow { color: rgba(255, 245, 230, 0.62); }
.section--dark .eyebrow::before { background: var(--orange); }

.grid { display: grid; gap: clamp(24px, 3.4vw, 48px); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- type ---------- */
.display {
  margin: 0;
  font-weight: 700;
  font-size: clamp(48px, 7vw, 102px);
  line-height: 1.02;
  letter-spacing: -0.015em;
}

.display--en {
  font-family: var(--font-en);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.02;
  font-size: clamp(44px, 6.2vw, 92px);
}

h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { font-weight: 700; }

.h2 {
  margin: 0;
  font-size: clamp(32px, 3.8vw, 56px);
  line-height: 1.2;
  letter-spacing: -0.012em;
}
[lang="en"] .h2 {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(30px, 3.4vw, 48px);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.h3 {
  margin: 0;
  font-size: clamp(22px, 2.1vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.h4 {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
}

.lead {
  margin: 0;
  max-width: 46em;
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.8;
  color: var(--ink);
  font-weight: 400;
}

.muted { color: var(--muted); }
.small { font-size: 13px; line-height: 1.7; }
.tiny { font-size: 11px; line-height: 1.6; letter-spacing: 0.06em; }
.serif { font-family: var(--font-en); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--brown);
  font-family: var(--font-en);
  font-size: 11px;
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  flex: none;
  background: var(--orange);
}

.eyebrow-no {
  color: var(--red);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.section-head {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 6vw, 90px);
  align-items: end;
  margin-bottom: clamp(40px, 5vw, 68px);
}

.section-head .lead { max-width: 38em; }
.section-head--center {
  display: block;
  max-width: 850px;
  margin-inline: auto;
  text-align: center;
}
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .lead { margin-inline: auto; }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- links & buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 54px;
  padding: 14px 20px 14px 24px;
  border: 1px solid var(--red);
  background: var(--red);
  color: #fffaf2;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.4;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn svg { width: 18px; height: 18px; flex: none; transition: transform 0.25s var(--ease); }
.btn:hover { background: var(--orange); border-color: var(--orange); }
.btn:hover svg { transform: translateX(4px); }

.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--cream); }

.btn--light {
  background: var(--cream);
  border-color: var(--cream);
  color: var(--ink);
}
.btn--light:hover { background: var(--orange); border-color: var(--orange); color: #fff; }

.btn--sm { min-height: 44px; padding: 10px 16px 10px 18px; font-size: 12px; gap: 16px; }
.btn--sm svg { width: 15px; height: 15px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  color: var(--brown);
  font-size: 13px;
  letter-spacing: 0.08em;
  transition: color 0.2s ease;
}
.text-link svg { width: 15px; height: 15px; transition: transform 0.2s ease; }
.text-link:hover { color: var(--orange); }
.text-link:hover svg { transform: translateX(3px); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 250, 242, 0.94);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 250, 242, 0.985);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  flex: none;
}
.brand img { width: 100px; height: auto; }
.brand-text {
  padding-left: 16px;
  border-left: 1px solid var(--line);
  color: var(--brown);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.brand-text small {
  display: block;
  color: var(--muted);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.02em;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.55vw, 24px);
  margin-left: auto;
}
.nav-link {
  position: relative;
  padding: 8px 0;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 1px;
  width: 100%;
  height: 1px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav-link:hover { color: var(--red); }
.nav-link:hover::after,
.nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--red); }

.header-actions { display: flex; align-items: center; gap: 14px; flex: none; }
.page-home .header-actions .btn--sm { display: none; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 0;
  color: var(--muted);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.lang-switch span { color: var(--red); }
.lang-switch:hover { color: var(--orange); }

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  background: transparent;
  align-items: center;
  justify-content: center;
}
.mobile-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--ink);
  position: relative;
}
.mobile-toggle span::before,
.mobile-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transition: transform 0.25s ease, top 0.25s ease;
}
.mobile-toggle span::before { top: -6px; }
.mobile-toggle span::after { top: 6px; }
.menu-open .mobile-toggle span { background: transparent; }
.menu-open .mobile-toggle span::before { top: 0; transform: rotate(45deg); }
.menu-open .mobile-toggle span::after { top: 0; transform: rotate(-45deg); }

/* ---------- home hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  height: 900px;
  min-height: 0;
  max-height: 900px;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(56px, 7vw, 100px) var(--gutter) clamp(40px, 5vw, 64px);
  padding-left: max(var(--gutter), calc((100vw - var(--container)) / 2 + var(--gutter)));
  position: relative;
  z-index: 2;
}
.hero-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(22px, 3vw, 38px);
  color: var(--brown);
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.hero-kicker::before { content: ""; width: 42px; height: 1px; background: var(--orange); }

.hero h1 {
  margin: 0 0 26px;
  color: var(--brown);
  font-size: clamp(58px, 8.2vw, 118px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: 0.01em;
}
.hero h1 span { display: block; }
.hero h1 .accent { color: var(--red); }
[lang="en"] .hero h1 {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(40px, 4.6vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.hero-lead {
  max-width: 33em;
  margin: 0 0 16px;
  color: var(--ink);
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.7;
}
.hero-body {
  max-width: 35em;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(28px, 3.4vw, 42px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: auto;
  padding-top: clamp(38px, 5vw, 64px);
}
.hero-stat {
  padding: 16px 18px 0 0;
  border-top: 1px solid var(--line-strong);
}
.hero-stat + .hero-stat { padding-left: 22px; border-left: 1px solid var(--line); }
.hero-stat strong {
  display: block;
  color: var(--red);
  font-family: var(--font-en);
  font-size: clamp(30px, 3.2vw, 46px);
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.03em;
}
.hero-stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
  letter-spacing: 0.04em;
}

.hero-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  background: var(--ink);
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.15s var(--ease), visibility 1.15s;
}
.hero-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.04);
  transform: scale(1.045);
  transition: transform 7s linear;
}
.hero-slide.is-active img { transform: scale(1); }
.hero-slide:nth-child(2) img { object-position: center 56%; }
.hero-slide:nth-child(3) img { object-position: 52% 52%; }
.hero-slide:nth-child(4) img { object-position: 70% 50%; }
.hero-slide:nth-child(5) img { object-position: center 52%; }
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(52, 54, 60, 0.04) 36%, rgba(52, 54, 60, 0.8) 100%),
    linear-gradient(90deg, rgba(198, 58, 40, 0.15), transparent 45%);
  pointer-events: none;
}
.hero-vert {
  position: absolute;
  z-index: 2;
  top: 30px;
  right: 22px;
  writing-mode: vertical-rl;
  color: rgba(255, 245, 230, 0.72);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}
.hero-caption {
  position: absolute;
  z-index: 3;
  left: clamp(22px, 3vw, 42px);
  right: clamp(22px, 3vw, 42px);
  bottom: clamp(22px, 3vw, 40px);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  color: var(--cream);
}
.hero-caption-text {
  max-width: 28em;
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.62);
}
.hero-slider-controls {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: none;
}
.hero-arrow {
  width: 34px;
  height: 34px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 245, 230, 0.38);
  background: rgba(58, 61, 68, 0.24);
  color: var(--cream);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.hero-arrow svg { width: 14px; height: 14px; display: block; }
.hero-arrow:hover { background: var(--red); border-color: var(--red); }
.hero-toggle .icon-play { display: none; }
.is-user-paused .hero-toggle .icon-pause { display: none; }
.is-user-paused .hero-toggle .icon-play { display: block; }
.hero-caption .caption-index {
  flex: none;
  min-width: 52px;
  color: rgba(255, 245, 230, 0.72);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-align: center;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}
.hero-progress {
  position: absolute;
  z-index: 4;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(255, 245, 230, 0.18);
}
.hero-progress span { display: block; width: 0; height: 100%; background: var(--orange); }
.hero-slider.is-playing .hero-progress span { animation: heroProgress 6.2s linear forwards; }
.hero-slider:hover .hero-progress span,
.hero-slider:focus-within .hero-progress span,
.hero-slider.is-paused .hero-progress span { animation-play-state: paused; }
html:not(.js) .hero-slider-controls,
html:not(.js) .hero-progress,
html:not(.js) .field-progress { display: none; }

@keyframes heroProgress {
  from { width: 0; }
  to { width: 100%; }
}

/* ---------- field gallery (Track Record) ---------- */
.field-section { overflow: hidden; }
.field-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  max-height: 720px;
  overflow: hidden;
  background: var(--ink);
  border: 1px solid rgba(255, 245, 230, 0.18);
}
.field-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.05s var(--ease), visibility 1.05s;
}
.field-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
.field-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #202228;
  filter: saturate(0.92) contrast(1.03);
  transform: scale(1.025);
  transition: transform 7s linear;
}
.field-slide.is-active img { transform: scale(1); }
.field-overlay {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(22px, 3vw, 40px);
  color: var(--cream);
  background: linear-gradient(180deg, rgba(58, 61, 68, 0) 0%, rgba(58, 61, 68, 0.88) 100%);
  pointer-events: none;
}
.field-overlay .hero-caption-text { max-width: 42em; font-size: 13px; pointer-events: auto; }
.field-overlay .hero-slider-controls { pointer-events: auto; }
.field-overlay .caption-index { min-width: 58px; }
.field-progress {
  position: absolute;
  z-index: 4;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(255, 245, 230, 0.18);
}
.field-progress span { display: block; width: 0; height: 100%; background: var(--orange); }
.field-slider.is-playing .field-progress span { animation: heroProgress 6.2s linear forwards; }
.field-slider:hover .field-progress span,
.field-slider:focus-within .field-progress span,
.field-slider.is-paused .field-progress span { animation-play-state: paused; }

/* ---------- full-bleed homepage hero ---------- */
.hero--full {
  background: var(--ink);
  border-bottom: 0;
}
.hero--full .hero-grid {
  position: relative;
  display: block;
  height: 900px;
  min-height: 680px;
  max-height: 900px;
}
.hero--full .hero-visual {
  position: absolute;
  inset: 0;
  min-height: 0;
  height: 100%;
  max-height: none;
}
.hero--full .hero-visual::after {
  background:
    linear-gradient(180deg, rgba(28, 30, 34, 0.28) 0%, rgba(28, 30, 34, 0.42) 42%, rgba(28, 30, 34, 0.9) 100%),
    linear-gradient(90deg, rgba(28, 30, 34, 0.5) 0%, rgba(28, 30, 34, 0.12) 48%, rgba(28, 30, 34, 0.5) 100%);
}
.hero--full .hero-copy {
  position: relative;
  z-index: 3;
  width: min(100%, 1120px);
  height: 100%;
  min-height: 0;
  margin: 0 auto;
  padding: clamp(70px, 8vw, 110px) var(--gutter) 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.hero--full .hero-kicker {
  justify-content: center;
  margin-bottom: 20px;
  color: rgba(255, 245, 230, 0.82);
}
.hero--full .hero-kicker::before { width: 34px; }
.hero--full h1 {
  margin-bottom: 24px;
  color: var(--cream);
  font-size: clamp(52px, 7.4vw, 108px);
  line-height: 1.02;
}
.hero--full h1 .accent { color: var(--cream); }
[lang="zh-CN"] .hero--full h1 {
  white-space: nowrap;
  font-size: clamp(44px, 7.4vw, 104px);
}
[lang="zh-CN"] .hero--full h1 span { display: inline-block; }
[lang="zh-CN"] .hero--full h1 span + span { margin-left: 0.16em; }
.hero--full h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 2px;
  margin: 26px auto 0;
  background: var(--orange);
}
[lang="en"] .hero--full h1 {
  color: var(--cream);
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1.03;
}
.hero--full .hero-lead {
  max-width: 40em;
  margin: 0 auto 12px;
  color: var(--cream);
  font-size: clamp(17px, 1.55vw, 22px);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.45);
}
.hero--full .hero-body {
  max-width: 42em;
  margin: 0 auto;
  color: rgba(255, 245, 230, 0.78);
  font-size: 13px;
}
.hero--full .hero-actions {
  justify-content: center;
  margin-top: 28px;
}
.hero--full .hero-actions .btn { min-width: 154px; justify-content: center; }
.hero--full .hero-actions .btn--ghost {
  background: rgba(255, 250, 242, 0.06);
  border-color: rgba(255, 245, 230, 0.55);
  color: var(--cream);
  backdrop-filter: blur(4px);
}
.hero--full .hero-actions .btn--ghost:hover {
  background: var(--cream);
  border-color: var(--cream);
  color: var(--ink);
}
.hero--full .hero-stats {
  position: absolute;
  left: 50%;
  bottom: 38px;
  width: min(720px, calc(100% - 2 * var(--gutter)));
  margin: 0;
  padding: 0;
  transform: translateX(-50%);
  border-top: 1px solid rgba(255, 245, 230, 0.38);
}
.hero--full .hero-stat {
  padding: 16px 12px 0;
  border-top: 0;
  text-align: center;
}
.hero--full .hero-stat + .hero-stat { border-left: 1px solid rgba(255, 245, 230, 0.24); }
.hero--full .hero-stat strong { color: var(--red); }
.hero--full .hero-stat span { color: rgba(255, 245, 230, 0.65); }
.hero--full .hero-vert { display: none; }
.hero--full .hero-caption {
  left: auto;
  right: clamp(20px, 4vw, 56px);
  bottom: clamp(26px, 4vw, 48px);
  display: block;
  z-index: 4;
}
.hero--full .hero-caption-text { display: none; }
.hero--full .hero-slider-controls { justify-content: flex-end; }
.hero--full .hero-arrow {
  background: rgba(28, 30, 34, 0.3);
  border-color: rgba(255, 245, 230, 0.5);
}
.hero--full .hero-arrow:hover { background: var(--red); border-color: var(--red); }
.hero--full .hero-progress { background: rgba(255, 245, 230, 0.22); }

@media (max-height: 900px) and (min-width: 981px) {
  .hero--full .hero-grid {
    height: calc(100svh - 87px);
    min-height: 680px;
    max-height: 900px;
  }
}

@media (max-width: 980px) {
  .hero--full .hero-grid {
    height: 760px;
    min-height: 680px;
    max-height: 760px;
  }
  .hero--full .hero-copy {
    padding: 92px var(--gutter) 130px;
  }
  .hero--full .hero-stats {
    width: calc(100% - 2 * var(--gutter));
    max-width: 620px;
  }
  .hero--full .hero-caption {
    right: var(--gutter);
    bottom: 24px;
  }
}

@media (max-width: 760px) {
  .hero--full .hero-grid {
    height: auto;
    min-height: 100svh;
    max-height: none;
  }
  .hero--full .hero-copy {
    min-height: 100svh;
    padding: 92px var(--gutter) 96px;
  }
  .hero--full h1 { font-size: clamp(44px, 13vw, 68px); }
  [lang="zh-CN"] .hero--full h1 { font-size: clamp(32px, 8.2vw, 54px); }
  [lang="en"] .hero--full h1 { font-size: clamp(36px, 9vw, 50px); }
  .hero--full .hero-lead { font-size: 16px; }
  .hero--full .hero-body { font-size: 12px; }
  .hero--full .hero-actions { width: 100%; flex-direction: column; align-items: stretch; }
  .hero--full .hero-actions .btn { width: 100%; }
  .hero--full .hero-stats {
    position: static;
    width: 100%;
    margin-top: 36px;
    transform: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .hero--full .hero-stat {
    padding: 12px 8px 0;
    text-align: center;
  }
  .hero--full .hero-stat + .hero-stat {
    padding-left: 8px;
    border-left: 1px solid rgba(255, 245, 230, 0.2);
  }
  .hero--full .hero-stat strong { font-size: 26px; }
  .hero--full .hero-stat span { font-size: 10px; }
  .hero--full .hero-caption {
    top: 18px;
    right: var(--gutter);
    bottom: auto;
  }
  .hero--full .hero-caption .caption-index { min-width: 42px; }
  .hero--full .hero-arrow { width: 32px; height: 32px; }
}

/* ---------- partners bar ---------- */
.partners {
  background: var(--dark);
  color: rgba(255, 245, 230, 0.7);
  padding-block: 24px;
}
.partners-inner {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 64px);
}
.partners-label {
  flex: none;
  max-width: 220px;
  color: rgba(255, 245, 230, 0.55);
  font-family: var(--font-en);
  font-size: 8px;
  line-height: 1.7;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.partner-logos {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(22px, 4vw, 62px);
  flex: 1;
  min-width: 0;
}
.partner-logos span {
  color: rgba(255, 245, 230, 0.78);
  font-family: var(--font-en);
  font-size: clamp(14px, 1.6vw, 21px);
  line-height: 1;
  font-weight: 500;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.partner-logos .partner-cn {
  font-family: var(--font-cn);
  font-size: clamp(14px, 1.6vw, 21px);
  letter-spacing: 0.04em;
}

/* ---------- engine cards ---------- */
.engine-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 30px);
}
.engine-card {
  position: relative;
  padding: clamp(26px, 3vw, 42px);
  background: var(--paper);
  border: 1px solid var(--line);
  min-height: 330px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease, transform 0.3s var(--ease);
}
.engine-card:hover { border-color: var(--red); transform: translateY(-4px); }
.engine-card--dark { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.engine-card--dark .muted { color: rgba(255, 245, 230, 0.72); }
.engine-card--dark p { color: rgba(255, 245, 230, 0.72); }
.engine-card--dark .card-kicker { color: rgba(255, 245, 230, 0.55); }
.engine-card--dark .card-num { color: var(--orange); }
.card-num {
  color: var(--red);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.14em;
  margin-bottom: 34px;
}
.card-kicker {
  color: var(--brown);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.engine-card h3 { margin-bottom: 16px; font-size: clamp(25px, 2.5vw, 36px); }
.engine-card p { margin-bottom: 24px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.engine-card.engine-card--dark p { color: rgba(255, 245, 230, 0.72); }
.engine-card .tag-row { margin-top: auto; }

.tag-row { display: flex; flex-wrap: wrap; gap: 7px; }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.05em;
}
.engine-card--dark .tag { border-color: rgba(255, 245, 230, 0.22); color: rgba(255, 245, 230, 0.72); }

.brand-equation {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.brand-equation .plus {
  color: var(--red);
  font-family: var(--font-en);
  font-size: 20px;
  line-height: 1;
}

/* ---------- services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.service-card {
  position: relative;
  padding: clamp(24px, 2.7vw, 38px);
  min-height: 270px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
  display: flex;
  flex-direction: column;
  transition: background 0.25s ease;
}
.service-card:hover { background: var(--cream); }
.icon-box { display: block; flex: none; }
.icon-box svg { width: 100%; height: 100%; }
.service-card .icon-box {
  width: 34px;
  height: 34px;
  margin-bottom: 28px;
  color: var(--red);
}
.service-card .icon-box svg { width: 100%; height: 100%; }
.service-card h3 { font-size: clamp(19px, 1.7vw, 23px); margin-bottom: 12px; }
.service-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.service-card .card-index {
  position: absolute;
  top: 24px;
  right: 24px;
  color: var(--line-strong);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.12em;
}

/* ---------- insight band ---------- */
.insight-band {
  position: relative;
  overflow: hidden;
  background: var(--red);
  color: var(--cream);
}
.insight-band::before {
  content: "80%";
  position: absolute;
  right: -0.02em;
  bottom: -0.32em;
  color: rgba(255, 245, 230, 0.08);
  font-family: var(--font-en);
  font-size: clamp(180px, 31vw, 520px);
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.06em;
  pointer-events: none;
}
.insight-band-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(36px, 7vw, 110px);
  align-items: end;
}
.insight-band .big-number {
  margin: 0;
  color: var(--cream);
  font-family: var(--font-en);
  font-size: clamp(108px, 17vw, 250px);
  line-height: 0.78;
  font-weight: 500;
  letter-spacing: -0.06em;
}
.insight-band .big-number small { font-size: 0.26em; letter-spacing: -0.02em; }
.insight-band h2 { max-width: 13em; margin-bottom: 22px; color: var(--cream); }
.insight-band p { max-width: 43em; color: rgba(255, 245, 230, 0.8); }
.insight-band .text-link { color: var(--cream); margin-top: 26px; }
.insight-band .text-link:hover { color: #fff; }

/* ---------- sectors ---------- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.sector {
  position: relative;
  min-height: 156px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background 0.25s ease, color 0.25s ease;
}
.sector:hover { background: var(--ink); color: var(--cream); }
.sector:hover .sector-en,
.sector:hover .sector-index { color: rgba(255, 245, 230, 0.55); }
.sector:hover .sector-icon { color: var(--orange); }
.sector-icon { width: 28px; height: 28px; color: var(--red); margin-bottom: 18px; }
.sector-icon svg { width: 100%; height: 100%; }
.sector h3 { font-size: 18px; margin: 0 0 3px; font-weight: 500; }
.sector-en {
  color: var(--muted);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.25s ease;
}
.sector-index {
  position: absolute;
  top: 22px;
  right: 22px;
  color: var(--line-strong);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.1em;
  transition: color 0.25s ease;
}

/* ---------- cases ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
}
.case-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: border-color 0.25s ease, transform 0.3s var(--ease);
}
.case-card:hover { border-color: var(--red); transform: translateY(-4px); }
.case-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink);
}
.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85);
  transition: transform 0.7s var(--ease);
}
.case-card:hover .case-media img { transform: scale(1.04); }
.case-media .case-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 9px;
  background: var(--cream);
  color: var(--brown);
  font-size: 9px;
  letter-spacing: 0.1em;
}
.case-body { display: flex; flex-direction: column; flex: 1; padding: 24px; }
.case-body h3 { margin-bottom: 12px; font-size: 20px; line-height: 1.45; }
.case-body p { margin: 0 0 20px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.case-metric {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--red);
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.5;
}
[lang="zh-CN"] .case-metric { font-family: var(--font-cn); font-size: 13px; }

/* ---------- regions / clients ---------- */
.clients-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 90px);
  align-items: center;
}
.client-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin-top: 24px;
}
.client-logos span {
  color: var(--cream);
  font-family: var(--font-en);
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1;
  opacity: 0.82;
}
.region-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 245, 230, 0.22);
  border-left: 1px solid rgba(255, 245, 230, 0.22);
}
.region {
  padding: 22px;
  border-right: 1px solid rgba(255, 245, 230, 0.22);
  border-bottom: 1px solid rgba(255, 245, 230, 0.22);
}
.region strong { display: block; font-size: 16px; font-weight: 500; margin-bottom: 4px; }
.region span {
  display: block;
  color: rgba(255, 245, 230, 0.55);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--cream);
  border-top: 1px solid var(--line);
}
.cta-band::after {
  content: "XCD";
  position: absolute;
  right: -0.02em;
  bottom: -0.28em;
  color: rgba(198, 58, 40, 0.045);
  font-family: var(--font-en);
  font-size: clamp(190px, 35vw, 560px);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 1;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(34px, 7vw, 100px);
  align-items: end;
}
.cta-inner h2 { max-width: 12em; margin-bottom: 18px; }
.cta-inner p { max-width: 36em; margin: 0; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }

/* ---------- page hero ---------- */
.page-hero { position: relative; background: var(--cream); border-bottom: 1px solid var(--line); overflow: hidden; }
.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(32px, 5.5vw, 90px);
  align-items: stretch;
  min-height: 560px;
}
.page-hero-copy {
  padding-block: clamp(52px, 6.5vw, 96px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.page-hero h1 {
  margin: 0 0 24px;
  color: var(--brown);
  font-size: clamp(40px, 4.3vw, 64px);
  line-height: 1.14;
  letter-spacing: -0.01em;
}
[lang="en"] .page-hero h1 {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(36px, 4.1vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.025em;
}
.page-hero .lead { max-width: 37em; font-size: clamp(16px, 1.3vw, 19px); }
.page-hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
  min-height: 420px;
}
.page-hero-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.82) contrast(1.03); }
.page-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(58, 61, 68, 0.02) 38%, rgba(58, 61, 68, 0.74) 100%);
  pointer-events: none;
}
.page-hero-caption {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 20px;
  color: rgba(255, 245, 230, 0.9);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}
.page-hero-index {
  position: absolute;
  top: 20px;
  right: 22px;
  z-index: 2;
  color: rgba(255, 245, 230, 0.8);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

/* ---------- split / editorial ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(32px, 7vw, 110px);
  align-items: start;
}
.split--reverse { grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr); }
.split-head { position: sticky; top: 124px; }
.split-head h2 { max-width: 10em; }
.split-body > * + * { margin-top: 24px; }
.split-body p { max-width: 44em; }

.pull-quote {
  margin: 0;
  padding: 26px 0 0;
  border-top: 1px solid var(--line-strong);
}
.pull-quote p {
  margin: 0 0 14px;
  color: var(--brown);
  font-size: clamp(21px, 2.3vw, 32px);
  line-height: 1.5;
  font-weight: 500;
}
.pull-quote cite { color: var(--muted); font-size: 11px; font-style: normal; letter-spacing: 0.06em; }

.mission-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(18px, 2.4vw, 34px); }
.mission-card {
  position: relative;
  padding: clamp(26px, 3vw, 40px);
  border: 1px solid var(--line);
  background: var(--paper);
  min-height: 280px;
}
.mission-card--dark { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.mission-card .mission-label {
  margin-bottom: 30px;
  color: var(--brown);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.2em;
}
.mission-card--dark .mission-label { color: rgba(255, 245, 230, 0.5); }
.mission-card blockquote {
  margin: 0 0 18px;
  color: var(--red);
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.mission-card--dark blockquote { color: var(--cream); }
.mission-card p { margin: 0; color: var(--muted); font-size: 14px; }
.mission-card--dark p { color: rgba(255, 245, 230, 0.68); }

.value-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.value-card { padding: 28px 24px 30px 0; border-right: 1px solid var(--line); }
.value-card + .value-card { padding-left: 24px; }
.value-card:last-child { border-right: 0; }
.value-card .value-en {
  color: var(--red);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.value-card h3 { font-size: 22px; margin-bottom: 10px; }
.value-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.team-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(30px, 6vw, 90px);
  align-items: center;
}
.team-media { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--ink); }
.team-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.8); }
.team-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(58, 61, 68, 0.62)); }
.team-caption {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 22px;
  color: var(--cream);
  font-size: 13px;
  line-height: 1.6;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 36px;
  border-top: 1px solid var(--line-strong);
}
.stats-row .stat-item { padding: 18px 18px 0 0; }
.stats-row .stat-item + .stat-item { padding-left: 20px; border-left: 1px solid var(--line); }
.stats-row strong {
  display: block;
  color: var(--red);
  font-family: var(--font-en);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1;
  font-weight: 500;
}
.stats-row span { display: block; margin-top: 8px; color: var(--muted); font-size: 11px; line-height: 1.55; }

.row-list { border-top: 1px solid var(--line); }
.row-list .row {
  display: grid;
  grid-template-columns: minmax(150px, 0.34fr) minmax(0, 0.66fr);
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.row-list .row strong { font-size: 16px; font-weight: 500; }
.row-list .row p { margin: 0; color: var(--muted); font-size: 14px; }
.row-list .row .row-en {
  display: block;
  margin-top: 4px;
  color: var(--red);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.serve-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.serve-card {
  min-height: 190px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.serve-card .serve-en { color: var(--red); font-family: var(--font-en); font-size: 26px; line-height: 1; letter-spacing: 0.02em; }
.serve-card h3 { font-size: 17px; margin: 18px 0 4px; font-weight: 500; }
.serve-card p { margin: 0; color: var(--muted); font-size: 11px; }

.footprint {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}
.footprint-list { border-top: 1px solid rgba(255, 245, 230, 0.25); }
.footprint-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 0.4fr) minmax(0, 0.6fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 245, 230, 0.18);
  align-items: baseline;
}
.footprint-item .fp-index { color: var(--orange); font-family: var(--font-en); font-size: 10px; letter-spacing: 0.1em; }
.footprint-item strong { font-size: 17px; font-weight: 500; }
.footprint-item span { color: rgba(255, 245, 230, 0.62); font-size: 12px; line-height: 1.7; }

/* ---------- insights ---------- */
.characteristic-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.characteristic {
  padding: 28px 26px 30px 0;
  border-right: 1px solid var(--line);
}
.characteristic + .characteristic { padding-left: 26px; }
.characteristic:last-child { border-right: 0; }
.characteristic .char-num { color: var(--red); font-family: var(--font-en); font-size: 11px; letter-spacing: 0.14em; margin-bottom: 28px; }
.characteristic h3 { font-size: clamp(20px, 1.9vw, 25px); margin-bottom: 12px; }
.characteristic p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.pain-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.pain-card {
  position: relative;
  padding: clamp(24px, 3vw, 38px);
  min-height: 260px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pain-card .pain-stage {
  display: inline-flex;
  margin-bottom: 26px;
  padding: 4px 9px;
  background: var(--cream);
  color: var(--brown);
  font-size: 10px;
  letter-spacing: 0.08em;
}
.pain-card h3 { font-size: clamp(20px, 2vw, 26px); margin-bottom: 12px; }
.pain-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.pain-card .pain-index {
  position: absolute;
  top: 24px;
  right: 24px;
  color: var(--line-strong);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.stat-80 {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: center;
}
.stat-80 .stat-80-number {
  margin: 0;
  color: var(--red);
  font-family: var(--font-en);
  font-size: clamp(130px, 20vw, 300px);
  line-height: 0.72;
  letter-spacing: -0.07em;
  font-weight: 500;
}
.stat-80 .stat-80-number small { font-size: 0.25em; letter-spacing: -0.02em; }
.stat-80 h2 { max-width: 12em; margin-bottom: 20px; }
.stat-80 p { max-width: 38em; margin-bottom: 16px; }
.stat-80 .quote-line {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
  color: var(--brown);
  font-size: 15px;
  line-height: 1.8;
}

.trap-list { border-top: 1px solid var(--line); }
.trap {
  display: grid;
  grid-template-columns: 50px minmax(170px, 0.34fr) minmax(0, 0.66fr);
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.trap-index { color: var(--red); font-family: var(--font-en); font-size: 11px; letter-spacing: 0.12em; }
.trap h3 { margin: 0; font-size: 18px; font-weight: 500; line-height: 1.5; }
.trap .trap-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.trap .trap-pair p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.trap .trap-pair p + p { color: var(--brown); border-left: 1px solid var(--line); padding-left: 18px; }

.global-compare { border-top: 1px solid var(--line); }
.global-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}
.global-row .challenge,
.global-row .response { padding: 24px 26px; }
.global-row .challenge { background: rgba(255, 245, 230, 0.65); border-right: 1px solid var(--line); }
.global-row .response { background: var(--paper); }
.global-row .row-label {
  display: block;
  margin-bottom: 8px;
  color: var(--brown);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.global-row .response .row-label { color: var(--red); }
.global-row p { margin: 0; font-size: 14px; line-height: 1.75; }
.global-row .response p { color: var(--brown); }

.compare-table { border-top: 1px solid var(--line); }
.compare-row {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) 36px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.compare-row .cmp-index { color: var(--red); font-family: var(--font-en); font-size: 10px; letter-spacing: 0.1em; }
.compare-row .old { color: var(--muted); font-size: 14px; text-decoration: line-through; text-decoration-color: rgba(198, 58, 40, 0.35); }
.compare-row .arrow { color: var(--orange); }
.compare-row .arrow svg { width: 18px; height: 18px; }
.compare-row .new { color: var(--brown); font-size: 15px; font-weight: 500; }

/* ---------- service architecture ---------- */
.architecture {
  display: grid;
  gap: 10px;
  padding: clamp(26px, 4vw, 48px);
  background: var(--ink);
  color: var(--cream);
}
.arch-layer {
  display: grid;
  grid-template-columns: minmax(0, 0.45fr) minmax(0, 0.55fr);
  gap: 24px;
  padding: 22px 24px;
  border: 1px solid rgba(255, 245, 230, 0.2);
  align-items: center;
}
.arch-layer--red { background: var(--red); border-color: var(--red); }
.arch-layer--cream { background: var(--cream); color: var(--ink); border-color: var(--cream); }
.arch-layer .arch-label { font-family: var(--font-en); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; opacity: 0.62; margin-bottom: 4px; }
.arch-layer strong { font-size: clamp(19px, 2vw, 25px); font-weight: 500; }
.arch-layer p { margin: 0; color: rgba(255, 245, 230, 0.68); font-size: 13px; line-height: 1.75; }
.arch-layer--cream p { color: var(--muted); }

.module-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 2.2vw, 30px); }
.module-group { border-top: 2px solid var(--red); padding-top: 20px; }
.module-group .module-stage {
  color: var(--brown);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.module-group h3 { font-size: clamp(19px, 1.8vw, 23px); margin-bottom: 18px; }
.module-group ul { list-style: none; margin: 0; padding: 0; }
.module-group li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.module-group li::before { content: "—"; color: var(--red); flex: none; }

.pillar-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 2.4vw, 32px); }
.pillar {
  padding: clamp(24px, 2.6vw, 34px);
  border: 1px solid var(--line);
  background: var(--paper);
  min-height: 330px;
}
.pillar-index { color: var(--red); font-family: var(--font-en); font-size: 10px; letter-spacing: 0.14em; margin-bottom: 22px; }
.pillar h3 { font-size: clamp(22px, 2.1vw, 28px); margin-bottom: 18px; }
.pillar ul { list-style: none; padding: 0; margin: 0; }
.pillar li { padding: 9px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 1.7; }
.pillar li strong { color: var(--brown); font-weight: 500; }

.avl-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.avl-step {
  position: relative;
  padding: 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  min-height: 250px;
}
.avl-step .step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 24px;
  background: var(--red);
  color: var(--cream);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.05em;
}
.avl-step h3 { font-size: 19px; margin-bottom: 10px; }
.avl-step p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.rfx-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.rfx-card { padding: 26px; border: 1px solid var(--line); background: var(--paper); }
.rfx-card .rfx-code { color: var(--red); font-family: var(--font-en); font-size: clamp(30px, 3.4vw, 46px); line-height: 1; font-weight: 500; letter-spacing: -0.03em; }
.rfx-card h3 { margin: 14px 0 8px; font-size: 17px; }
.rfx-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }

.steps-7 { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); }
.step-7 { padding: 20px 14px 0 0; border-right: 1px solid var(--line); }
.step-7:last-child { border-right: 0; }
.step-7 .s7-num { color: var(--red); font-family: var(--font-en); font-size: 24px; line-height: 1; margin-bottom: 14px; }
.step-7 h3 { font-size: 13px; line-height: 1.5; margin-bottom: 8px; }
.step-7 p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.phase-row { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.phase-pill {
  padding: 5px 10px;
  border: 1px solid var(--line);
  color: var(--brown);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.pdca-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.pdca-card { padding: 24px; background: var(--ink); color: var(--cream); min-height: 260px; }
.pdca-card:nth-child(2) { background: #44464d; }
.pdca-card:nth-child(3) { background: var(--brown); }
.pdca-card:nth-child(4) { background: var(--red); }
.pdca-card .pdca-letter { font-family: var(--font-en); font-size: 54px; line-height: 0.9; font-weight: 500; margin-bottom: 18px; opacity: 0.92; }
.pdca-card h3 { font-size: 17px; margin-bottom: 8px; }
.pdca-card p { margin: 0; color: rgba(255, 245, 230, 0.72); font-size: 12px; line-height: 1.8; }

.chart-wrap { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 70px); align-items: center; }
.chart-wrap .h2 { font-size: clamp(30px, 3.2vw, 46px); }
.chart { border-bottom: 1px solid var(--line-strong); padding-bottom: 8px; }
.chart-row { display: grid; grid-template-columns: 110px minmax(0, 1fr) 46px; gap: 14px; align-items: center; padding: 7px 0; }
.chart-row .chart-label { color: var(--ink); font-size: 12px; }
.chart-row .chart-bar { height: 10px; background: rgba(58, 61, 68, 0.08); position: relative; overflow: hidden; }
.chart-row .chart-bar span { display: block; height: 100%; background: var(--red); width: var(--w); }
.chart-row:nth-child(2) .chart-bar span { background: var(--brown); }
.chart-row:nth-child(3) .chart-bar span { background: #9a5d3a; }
.chart-row:nth-child(4) .chart-bar span { background: #b37a52; }
.chart-row:nth-child(5) .chart-bar span { background: #c99777; }
.chart-row:nth-child(6) .chart-bar span { background: #ddb79f; }
.chart-row .chart-value { color: var(--red); font-family: var(--font-en); font-size: 12px; text-align: right; }
.chart-note { margin-top: 16px; color: var(--muted); font-size: 10px; line-height: 1.7; }

.matrix-wrap { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 12px; align-items: stretch; }
.matrix-y {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.12em;
}
.matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}
.matrix-cell {
  min-height: 190px;
  padding: 22px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: var(--paper);
}
.matrix-cell:nth-child(2) { background: var(--cream); }
.matrix-cell:nth-child(3) { background: rgba(255, 245, 230, 0.5); }
.matrix-cell:nth-child(4) { background: var(--paper); }
.matrix-cell .matrix-tag { color: var(--red); font-family: var(--font-en); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; }
.matrix-cell h3 { font-size: 19px; margin: 8px 0 6px; }
.matrix-cell p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.matrix-x { text-align: right; color: var(--muted); font-family: var(--font-en); font-size: 9px; letter-spacing: 0.12em; padding-top: 8px; }

.category-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.category { padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.category .cat-label { color: var(--red); font-family: var(--font-en); font-size: 9px; letter-spacing: 0.14em; margin-bottom: 10px; }
.category h3 { font-size: 20px; margin-bottom: 8px; }
.category p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

.process-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; counter-reset: proc; }
.process-step { padding: 26px; border: 1px solid var(--line); background: var(--paper); }
.process-step .proc-no { color: var(--red); font-family: var(--font-en); font-size: 36px; line-height: 1; margin-bottom: 18px; font-weight: 500; }
.process-step h3 { font-size: 20px; margin-bottom: 8px; }
.process-step .proc-flow { color: var(--brown); font-size: 11px; letter-spacing: 0.04em; margin-bottom: 12px; }
.process-step p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

/* ---------- why ---------- */
.compare-panels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.compare-panel { padding: clamp(26px, 3vw, 40px); border: 1px solid var(--line); background: var(--paper); min-height: 350px; }
.compare-panel--dark { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.compare-panel .panel-label { color: var(--muted); font-family: var(--font-en); font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 28px; }
.compare-panel--dark .panel-label { color: rgba(255, 245, 230, 0.5); }
.compare-panel h3 { font-size: clamp(24px, 2.4vw, 32px); margin-bottom: 18px; }
.compare-panel ul { list-style: none; margin: 0 0 28px; padding: 0; }
.compare-panel li { padding: 9px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.compare-panel--dark li { border-color: rgba(255, 245, 230, 0.18); color: rgba(255, 245, 230, 0.74); }
.compare-panel .deliverable { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line-strong); color: var(--brown); font-size: 12px; }
.compare-panel--dark .deliverable { border-color: rgba(255, 245, 230, 0.24); color: var(--orange); }

.tech-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.tech-card { padding: clamp(24px, 2.8vw, 36px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tech-card .tech-no { color: var(--red); font-family: var(--font-en); font-size: 10px; letter-spacing: 0.12em; margin-bottom: 18px; }
.tech-card h3 { font-size: 21px; margin-bottom: 14px; }
.tech-card .tech-pain { color: var(--muted); font-size: 12px; line-height: 1.75; margin-bottom: 10px; }
.tech-card .tech-pain span { color: var(--red); font-family: var(--font-en); font-size: 9px; letter-spacing: 0.1em; margin-right: 8px; }
.tech-card .tech-edge { color: var(--brown); font-size: 13px; line-height: 1.8; margin: 0; }

.principle-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.principle { padding: 26px 24px 0 0; border-right: 1px solid var(--line); }
.principle + .principle { padding-left: 24px; }
.principle:last-child { border-right: 0; }
.principle .pr-no { color: var(--red); font-family: var(--font-en); font-size: 10px; letter-spacing: 0.12em; margin-bottom: 24px; }
.principle h3 { font-size: 20px; margin-bottom: 10px; }
.principle p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

.tco { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line-strong); }
.tco-step { position: relative; padding: 28px 28px 0 0; border-right: 1px solid var(--line); }
.tco-step + .tco-step { padding-left: 28px; }
.tco-step:last-child { border-right: 0; }
.tco-step .tco-stage { color: var(--red); font-family: var(--font-en); font-size: 9px; letter-spacing: 0.14em; margin-bottom: 18px; }
.tco-step h3 { font-size: 21px; margin-bottom: 8px; }
.tco-step p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.tco-step .tco-arrow { position: absolute; top: 24px; right: -9px; z-index: 2; width: 18px; height: 18px; color: var(--orange); background: var(--bg); }
.tco-step:last-child .tco-arrow { display: none; }

.quote-panel { position: relative; padding: clamp(32px, 5vw, 70px); background: var(--cream); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quote-panel::before { content: "“"; position: absolute; top: -0.2em; left: clamp(16px, 3vw, 40px); color: rgba(198, 58, 40, 0.14); font-family: Georgia, serif; font-size: clamp(150px, 18vw, 260px); line-height: 1; }
.quote-panel blockquote { position: relative; z-index: 1; max-width: 24em; margin: 0 auto; color: var(--brown); font-size: clamp(23px, 3vw, 40px); line-height: 1.55; font-weight: 500; text-align: center; }
.quote-panel cite { display: block; margin-top: 22px; color: var(--muted); font-size: 11px; font-style: normal; letter-spacing: 0.06em; text-align: center; }

/* ---------- case studies ---------- */
.cases-title { font-size: clamp(26px, 3.3vw, 48px); line-height: 1.28; }
.cases-title span { white-space: nowrap; }
.case-study {
  scroll-margin-top: 110px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 74px);
  padding-block: clamp(44px, 5.5vw, 76px);
  border-top: 1px solid var(--line);
}
.case-study:first-of-type { border-top: 0; padding-top: 0; }
.case-study:nth-child(even) .case-study-media { order: 2; }
.case-study:nth-child(even) .case-study-copy { order: 1; }
.case-study-media { position: relative; min-height: 320px; }
.case-study-media .media-frame { position: absolute; inset: 0; overflow: hidden; background: var(--paper); border: 1px solid var(--line); }
.case-study-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.84); }
.case-study-media .media-frame--contain { background: #fff; display: flex; align-items: center; justify-content: center; padding: 12px; }
.case-study-media .media-frame--contain img { width: 100%; height: 100%; object-fit: contain; filter: none; }
.case-study-media figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 10px 12px 9px;
  background: linear-gradient(180deg, rgba(255, 253, 248, 0) 0%, rgba(255, 253, 248, 0.94) 40%);
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
  pointer-events: none;
}
.case-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--red);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.case-label::before { content: ""; width: 24px; height: 1px; background: var(--orange); }
.case-study h2 { margin: 0 0 16px; color: var(--brown); font-size: clamp(26px, 3vw, 40px); line-height: 1.35; }
.case-study .case-intro { margin-bottom: 26px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.case-facts { display: grid; gap: 0; border-top: 1px solid var(--line); }
.case-fact { display: grid; grid-template-columns: 118px minmax(0, 1fr); gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.case-fact dt { color: var(--red); font-size: 11px; letter-spacing: 0.06em; }
.case-fact dd { margin: 0; color: var(--ink); font-size: 13px; line-height: 1.8; }
.case-results { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.case-result {
  min-width: 120px;
  padding: 12px 14px;
  background: var(--cream);
  border-top: 2px solid var(--red);
}
.case-result strong { display: block; color: var(--red); font-family: var(--font-en); font-size: 22px; line-height: 1.1; }
.case-result span { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; line-height: 1.5; }

.capability-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.capability { padding: 26px; border: 1px solid var(--line); background: var(--paper); min-height: 240px; }
.capability .cap-no { color: var(--red); font-family: var(--font-en); font-size: 11px; letter-spacing: 0.12em; margin-bottom: 30px; }
.capability h3 { font-size: 20px; margin-bottom: 10px; }
.capability p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

/* ---------- contact ---------- */
.engage-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.engage-card { padding: clamp(24px, 2.7vw, 34px); border: 1px solid var(--line); background: var(--paper); min-height: 280px; }
.engage-card .eng-no { color: var(--red); font-family: var(--font-en); font-size: 10px; letter-spacing: 0.14em; margin-bottom: 28px; }
.engage-card h3 { font-size: 22px; margin-bottom: 10px; }
.engage-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.pricing-card { padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pricing-card .price-type { color: var(--red); font-family: var(--font-en); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 10px; }
.pricing-card h3 { font-size: 20px; margin-bottom: 10px; }
.pricing-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

.hybrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line-strong); }
.hybrid-step { padding: 24px 24px 0 0; border-right: 1px solid var(--line); position: relative; }
.hybrid-step + .hybrid-step { padding-left: 24px; }
.hybrid-step:last-child { border-right: 0; }
.hybrid-step .hy-no { color: var(--red); font-family: var(--font-en); font-size: 11px; letter-spacing: 0.12em; margin-bottom: 16px; }
.hybrid-step h3 { font-size: 19px; margin-bottom: 8px; }
.hybrid-step p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

.global-pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.global-pillar { padding: 26px; background: var(--ink); color: var(--cream); min-height: 230px; }
.global-pillar:nth-child(2) { background: var(--brown); }
.global-pillar:nth-child(3) { background: var(--red); }
.global-pillar .gp-label { color: rgba(255, 245, 230, 0.55); font-family: var(--font-en); font-size: 9px; letter-spacing: 0.14em; margin-bottom: 28px; }
.global-pillar h3 { font-size: 20px; margin-bottom: 8px; }
.global-pillar p { margin: 0; color: rgba(255, 245, 230, 0.72); font-size: 12px; line-height: 1.8; }

.next-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.next-step { position: relative; padding: 24px; border: 1px solid var(--line); background: var(--paper); }
.next-step .ns-no { color: var(--red); font-family: var(--font-en); font-size: 36px; line-height: 1; margin-bottom: 18px; }
.next-step h3 { font-size: 17px; margin-bottom: 6px; }
.next-step p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.next-step .ns-arrow { position: absolute; top: 24px; right: 18px; width: 16px; height: 16px; color: var(--orange); }
.next-step:last-child .ns-arrow { display: none; }

.contact-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(30px, 6vw, 90px); align-items: start; }
.contact-card { padding: clamp(28px, 3vw, 42px); background: var(--ink); color: var(--cream); }
.contact-card h2 { margin: 0 0 18px; color: var(--cream); font-size: clamp(28px, 3vw, 42px); }
.contact-card p { color: rgba(255, 245, 230, 0.68); font-size: 13px; line-height: 1.8; }
.contact-list { margin-top: 28px; border-top: 1px solid rgba(255, 245, 230, 0.2); }
.contact-item { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 18px; padding: 15px 0; border-bottom: 1px solid rgba(255, 245, 230, 0.16); }
.contact-item dt { color: rgba(255, 245, 230, 0.48); font-size: 10px; letter-spacing: 0.06em; }
.contact-item dd { margin: 0; color: var(--cream); font-size: 13px; line-height: 1.7; }
.contact-item a { border-bottom: 1px solid rgba(255, 245, 230, 0.3); }
.contact-item a:hover { color: var(--orange); }
.copy-btn { margin-top: 22px; background: transparent; border-color: rgba(255, 245, 230, 0.32); color: var(--cream); }
.copy-btn:hover { background: var(--cream); color: var(--ink); border-color: var(--cream); }

.prepare-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.prepare-list li { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.prepare-list .prep-no { color: var(--red); font-family: var(--font-en); font-size: 10px; letter-spacing: 0.08em; }
.prepare-list strong { display: block; font-size: 14px; font-weight: 500; margin-bottom: 3px; }
.prepare-list span { color: var(--muted); font-size: 12px; line-height: 1.7; }

/* ---------- WeChat QR modal ---------- */
.wechat-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.wechat-modal.is-open { display: flex; }
.wechat-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(24, 26, 30, 0.74);
  backdrop-filter: blur(4px);
}
.wechat-card {
  position: relative;
  width: min(92vw, 360px);
  padding: 30px 28px 24px;
  background: var(--paper);
  color: var(--ink);
  text-align: center;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.3);
}
.wechat-close {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 24px/1 var(--font-en);
  cursor: pointer;
}
.wechat-close:hover { color: var(--red); }
.wechat-kicker {
  color: var(--red);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.wechat-card h3 {
  margin: 8px 0 0;
  color: var(--brown);
  font-size: 20px;
  line-height: 1.4;
}
.wechat-card img {
  display: block;
  width: min(100%, 240px);
  height: auto;
  margin: 18px auto 14px;
  border: 1px solid var(--line);
  background: #fff;
}
.wechat-card p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}
body.wechat-open { overflow: hidden; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: var(--cream); padding: clamp(48px, 6vw, 82px) 0 24px; }
.footer-top { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(36px, 6vw, 90px); padding-bottom: 46px; border-bottom: 1px solid rgba(255, 245, 230, 0.18); }
.footer-brand img { width: 104px; height: auto; margin-bottom: 22px; }
.footer-brand p { max-width: 24em; margin: 0 0 10px; color: rgba(255, 245, 230, 0.68); font-size: 13px; line-height: 1.8; }
.footer-brand .footer-cn { color: var(--cream); font-size: 12px; letter-spacing: 0.06em; }
.footer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 36px; }
.footer-col h3 { margin: 0 0 12px; color: rgba(255, 245, 230, 0.44); font-family: var(--font-en); font-size: 9px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; }
.footer-col a { display: block; padding: 5px 0; color: rgba(255, 245, 230, 0.78); font-size: 12px; line-height: 1.5; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; padding-top: 22px; color: rgba(255, 245, 230, 0.44); font-size: 10px; line-height: 1.6; }
.footer-bottom a { color: rgba(255, 245, 230, 0.62); }
.footer-bottom a:hover { color: var(--orange); }
.palette { display: inline-flex; align-items: center; gap: 5px; margin-left: 12px; vertical-align: middle; }
.palette i { width: 9px; height: 9px; display: block; }

/* ---------- reveal ---------- */
.reveal { opacity: 1; transform: none; transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .reveal:not(.is-in) { opacity: 0; transform: translateY(22px); }
.js .reveal.is-in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

/* ---------- responsive ---------- */
@media (max-height: 900px) and (min-width: 981px) {
  .hero-grid { height: calc(100svh - 87px); min-height: 680px; max-height: 900px; }
}

@media (max-width: 1360px) {
  .brand-text { display: none; }
}

@media (max-width: 1180px) {
  .nav { gap: 18px; }
  .header-actions .btn { display: none; }
  .hero-grid { min-height: auto; }
  .hero-copy { padding-bottom: 46px; }
  .hero-stats { margin-top: 42px; }
}

@media (max-width: 980px) {
  .nav {
    position: fixed;
    inset: 86px 0 auto;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px var(--gutter) 30px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(58, 61, 68, 0.06);
    max-height: calc(100svh - 86px);
    overflow-y: auto;
  }
  .menu-open .nav { display: flex; }
  .nav-link { width: 100%; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .nav-link::after { display: none; }
  .nav-link.is-active { color: var(--red); }
  .mobile-toggle { display: inline-flex; }
  html:not(.js) .nav {
    position: static;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
    padding: 8px 0 14px;
    background: transparent;
    border-bottom: 0;
    box-shadow: none;
    max-height: none;
    overflow: visible;
  }
  html:not(.js) .nav-link { width: 100%; padding: 9px 0; border-bottom: 1px solid var(--line); }
  html:not(.js) .mobile-toggle { display: none; }
  html:not(.js) .header-inner { flex-wrap: wrap; }
  .header-actions { gap: 12px; }

  .hero-grid { grid-template-columns: 1fr; height: auto; min-height: 0; max-height: none; }
  .hero-copy { padding-left: var(--gutter); padding-right: var(--gutter); min-height: auto; }
  .hero-visual { min-height: 58vw; max-height: 560px; }
  .hero-vert { display: none; }
  .hero-stats { margin-top: 48px; }

  .section-head { grid-template-columns: 1fr; gap: 22px; align-items: start; }
  .section-head .lead { max-width: 46em; }

  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .sectors-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .value-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .value-card:nth-child(2) { border-right: 0; }
  .value-card:nth-child(3) { padding-left: 0; border-top: 1px solid var(--line); }
  .value-card:nth-child(4) { border-top: 1px solid var(--line); }
  .serve-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero h1 { font-size: clamp(56px, 10vw, 100px); }
  [lang="en"] .hero h1 { font-size: clamp(44px, 6.4vw, 64px); }

  .page-hero-grid { grid-template-columns: 1fr; min-height: 0; }
  .page-hero-copy { padding-block: 56px 40px; }
  .page-hero-media { min-height: 46vw; max-height: 540px; }

  .split,
  .split--reverse { grid-template-columns: 1fr; gap: 28px; }
  .split-head { position: static; }
  .split-head h2 { max-width: 18em; }

  .stat-80 { grid-template-columns: 1fr; gap: 24px; }
  .stat-80 .stat-80-number { font-size: clamp(120px, 28vw, 220px); }
  .chart-wrap { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .team-media { aspect-ratio: 4 / 3; }
  .clients-band { grid-template-columns: 1fr; }
  .footprint { grid-template-columns: 1fr; }
  .steps-7 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .step-7:nth-child(4) { border-right: 0; }
  .step-7:nth-child(n+5) { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 22px; }
  .case-study { grid-template-columns: 1fr; gap: 24px; }
  .case-study:nth-child(even) .case-study-media { order: 0; }
  .case-study:nth-child(even) .case-study-copy { order: 0; }
  .case-study-media { max-width: 680px; aspect-ratio: 4 / 3; min-height: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; }
  .cta-actions { justify-content: flex-start; margin-top: 10px; }
  .footer-top { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .header-inner { min-height: 74px; }
  .brand img { width: 84px; }
  .nav { inset-block-start: 74px; max-height: calc(100svh - 74px); }
  .header-actions .lang-switch { font-size: 10px; }

  .hero-copy { padding-block: 50px 34px; }
  .hero h1 { font-size: clamp(48px, 14vw, 78px); margin-bottom: 20px; }
  [lang="en"] .hero h1 { font-size: clamp(42px, 11vw, 64px); }
  .hero-lead { font-size: 16px; }
  .hero-body { font-size: 13px; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { grid-template-columns: 1fr; gap: 0; margin-top: 38px; }
  .hero-stat { padding: 14px 0; border-left: 0 !important; }
  .hero-stat + .hero-stat { border-top: 1px solid var(--line); }
  .hero-stat strong { font-size: 32px; }
  .hero-visual { min-height: 78vw; }
  .hero-caption { display: block; }
  .hero-slider-controls { margin-top: 13px; justify-content: flex-start; }
  .hero-toggle { margin-left: auto; }
  .hero-caption-text { max-width: 30em; }
  .field-stage { aspect-ratio: 4 / 5; max-height: none; }
  .field-overlay { display: block; padding: 18px 18px 22px; }
  .field-overlay .hero-caption-text { max-width: 32em; margin-bottom: 11px; font-size: 11px; }
  .field-overlay .hero-slider-controls { justify-content: flex-start; }
  .field-overlay .hero-toggle { margin-left: auto; }

  .partners-inner { display: block; }
  .partners-label { max-width: none; margin-bottom: 16px; }
  .partner-logos { flex-wrap: wrap; justify-content: flex-start; gap: 16px 24px; }
  .partner-logos span { font-size: 14px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .engine-grid { grid-template-columns: 1fr; }
  .engine-card { min-height: 0; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; }
  .sectors-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sector { min-height: 130px; padding: 18px; }
  .sector-icon { width: 24px; height: 24px; margin-bottom: 12px; }
  .sector h3 { font-size: 16px; }
  .sector-index { top: 16px; right: 16px; }

  .case-grid { grid-template-columns: 1fr; }
  .case-media { aspect-ratio: 16 / 10; }
  .case-body { padding: 20px; }

  .insight-band-inner { grid-template-columns: 1fr; gap: 24px; }
  .insight-band .big-number { font-size: 120px; }
  .insight-band h2 { font-size: 34px; }

  .page-hero h1 { font-size: clamp(38px, 10.5vw, 58px); }
  [lang="en"] .page-hero h1 { font-size: clamp(34px, 8.5vw, 52px); }
  .page-hero-media { min-height: 64vw; }
  .page-hero-caption { font-size: 9px; }

  .mission-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .value-card { padding: 20px 0 !important; border-right: 0; border-top: 1px solid var(--line); }
  .value-card:first-child { border-top: 0; }
  .stats-row { grid-template-columns: 1fr; gap: 0; }
  .stats-row .stat-item { padding: 14px 0; border-left: 0 !important; border-top: 1px solid var(--line); }

  .row-list .row { grid-template-columns: 1fr; gap: 6px; }
  .serve-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .serve-card { min-height: 160px; padding: 16px; }
  .serve-card .serve-en { font-size: 20px; }

  .characteristic-grid { grid-template-columns: 1fr; border-top: 0; }
  .characteristic { border-right: 0; border-top: 1px solid var(--line); padding: 20px 0 !important; }
  .pain-grid { grid-template-columns: 1fr; }
  .pain-card { min-height: 0; }
  .trap { grid-template-columns: 36px minmax(0, 1fr); gap: 14px; }
  .trap .trap-pair { grid-column: 2; grid-template-columns: 1fr; gap: 8px; }
  .trap .trap-pair p + p { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 8px; }
  .global-row { grid-template-columns: 1fr; }
  .global-row .challenge { border-right: 0; border-bottom: 1px solid var(--line); }
  .compare-row { grid-template-columns: 30px minmax(0, 1fr); gap: 10px; }
  .compare-row .arrow { display: none; }
  .compare-row .new { grid-column: 2; }

  .architecture { padding: 16px; }
  .arch-layer { grid-template-columns: 1fr; gap: 6px; padding: 16px; }
  .module-groups { grid-template-columns: 1fr; }
  .pillar-grid { grid-template-columns: 1fr; }
  .pillar { min-height: 0; }
  .avl-steps { grid-template-columns: 1fr; }
  .avl-step { min-height: 0; }
  .rfx-grid { grid-template-columns: 1fr; }
  .steps-7 { grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 0; }
  .step-7 { border-top: 1px solid var(--line); padding: 16px 12px 0 0; }
  .step-7:nth-child(2n) { border-right: 0; }
  .step-7:nth-child(4) { border-right: 0; }
  .pdca-grid { grid-template-columns: 1fr 1fr; }
  .pdca-card { min-height: 230px; padding: 20px; }
  .chart-row { grid-template-columns: 86px minmax(0, 1fr) 38px; gap: 8px; }
  .matrix-cell { min-height: 160px; padding: 16px; }
  .category-grid { grid-template-columns: 1fr; }
  .process-3 { grid-template-columns: 1fr; }

  .compare-panels { grid-template-columns: 1fr; }
  .compare-panel { min-height: 0; }
  .tech-grid { grid-template-columns: 1fr; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle { padding: 18px 0 !important; border-right: 0; border-top: 1px solid var(--line); }
  .principle:first-child { border-top: 0; }
  .tco { grid-template-columns: 1fr; border-top: 0; }
  .tco-step { padding: 20px 0 !important; border-right: 0; border-top: 1px solid var(--line); }
  .tco-step .tco-arrow { display: none; }

  .case-study { padding-block: 36px; }
  .case-fact { grid-template-columns: 1fr; gap: 2px; }
  .case-results { gap: 8px; }
  .case-result { flex: 1 1 100px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability { min-height: 0; }

  .engage-grid { grid-template-columns: 1fr; }
  .engage-card { min-height: 0; }
  .pricing-grid { grid-template-columns: 1fr; }
  .hybrid { grid-template-columns: 1fr; border-top: 0; }
  .hybrid-step { padding: 18px 0 !important; border-right: 0; border-top: 1px solid var(--line); }
  .global-pillars { grid-template-columns: 1fr; }
  .global-pillar { min-height: 0; }
  .next-steps { grid-template-columns: 1fr 1fr; }
  .next-step .ns-arrow { display: none; }
  .contact-item { grid-template-columns: 70px minmax(0, 1fr); }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .footer-bottom { display: block; }
  .footer-bottom > span { display: block; margin-bottom: 6px; }
  .palette { margin-left: 0; margin-top: 10px; }
}

@media (max-width: 460px) {
  .sectors-grid { grid-template-columns: 1fr; }
  .serve-grid { grid-template-columns: 1fr; }
  .next-steps { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: 1fr; }
  .hero h1 { font-size: 46px; }
  [lang="en"] .hero h1 { font-size: 40px; }
  .insight-band .big-number { font-size: 98px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-visual img { transition: none; }
  .hero-slider.is-playing .hero-progress span { animation: none; }
  .field-slider.is-playing .field-progress span { animation: none; }
  .hero-toggle { display: none; }
}