/* ===========================================================
   Dongpai Metal 東排金屬
   Architectural Metalworks Atelier — Editorial Identity
   Light editorial — warm paper, deep ink, bronze accent
   =========================================================== */

/* Source Serif 4 (EN 正式 serif, 思源宋体英文同源 — Adobe 出品)
   · Source Sans 3 (EN sans body, 同家族无衬线)
   · JetBrains Mono (mono labels)
   Noto Serif TC/SC (繁/简 思源宋体, 正式印刷字体, 与 Source Serif 4 同设计语言) */
@import url("https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,300;8..60,400;8..60,500;8..60,600;8..60,700&family=Source+Sans+3:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Noto+Serif+TC:wght@300;400;500;600;700;900&family=Noto+Serif+SC:wght@300;400;500;600;700;900&family=Noto+Sans+TC:wght@300;400;500;600;700&display=swap");

:root {
  /* Ink — deep warm charcoals for text */
  --ink: #1a1612;
  --ink-2: #2c2722;
  --ink-3: #4a4439;
  --ink-line: #d4cdb8;

  /* Paper — warm off-white spectrum (page → cards) */
  --paper: #f6f1e3;
  --paper-2: #efe9d8;
  --paper-3: #e6dfc9;

  /* Bronze — primary accent, calibrated for contrast on paper */
  --bronze: #8a6b41;
  --bronze-1: #6f5230;
  --bronze-2: #a3825a;
  --bronze-deep: #4a3621;
  --bronze-glow: rgba(138, 107, 65, 0.14);

  /* Text rolls */
  --text: #1a1612;
  --text-dim: #6b6660;
  --text-faint: #9a9285;

  /* Rules */
  --rule: rgba(26, 22, 18, 0.10);
  --rule-strong: rgba(26, 22, 18, 0.20);
  --rule-bronze: rgba(138, 107, 65, 0.32);

  /* Typography — 正式印刷字体 (EN + 中文 同一设计语言)
     EN: Source Serif 4 (display, 思源宋体英文同源 Adobe), Source Sans 3 (sans body)
     中文: Noto Serif TC/SC (思源宋体, 正式印刷字体)
     不用楷书 — 楷书笔画歪扭, 不符合 B2B 工业品牌的正式调性 */
  --font-display: "Source Serif 4", "Noto Serif TC", "Noto Serif SC", "Songti TC", "Songti SC", "Source Han Serif TC", Georgia, serif;
  --font-sans: "Source Sans 3", "Noto Sans TC", "PingFang TC", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-chinese-display: "Noto Serif TC", "Noto Serif SC", "Source Han Serif TC", "Songti TC", "PingFang TC", serif;

  /* Layout */
  --gutter: clamp(22px, 4.4vw, 64px);
  --gutter-half: clamp(14px, 2.6vw, 36px);
  --max: 1520px;
  --easing: cubic-bezier(0.22, 1, 0.36, 1);
  --easing-2: cubic-bezier(0.65, 0, 0.35, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  position: relative;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

/* Paper grain — barely perceptible texture, like Risograph or letterpress */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.55;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.10  0 0 0 0 0.085  0 0 0 0 0.07  0 0 0 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 220ms var(--easing);
}

button {
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--bronze);
  color: var(--text);
}

/* Reveal animation — progressive enhancement.
   Default: visible (so screenshots / no-JS / SEO crawlers see content).
   When JS boots, the .js class on <html> activates the hidden-then-reveal pattern. */
[data-reveal] {
  opacity: 1;
  transform: none;
  transition:
    opacity 1100ms var(--easing),
    transform 1100ms var(--easing);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

[data-reveal][data-stagger]:nth-child(2) { transition-delay: 80ms; }
[data-reveal][data-stagger]:nth-child(3) { transition-delay: 160ms; }
[data-reveal][data-stagger]:nth-child(4) { transition-delay: 240ms; }
[data-reveal][data-stagger]:nth-child(5) { transition-delay: 320ms; }
[data-reveal][data-stagger]:nth-child(6) { transition-delay: 400ms; }

/* ─────────────────────────────────────────────────────────
   Typography primitives
   ───────────────────────────────────────────────────────── */

.display {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 0.96;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

.mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--bronze);
}

.kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--bronze);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.lead {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--text);
  font-variation-settings: "opsz" 30, "SOFT" 30;
}

.chinese-display {
  font-family: var(--font-chinese-display);
  font-weight: 400;
  letter-spacing: 0.04em;
}

/* ─────────────────────────────────────────────────────────
   Buttons
   ───────────────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 26px 15px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  cursor: pointer;
  transition:
    background 320ms var(--easing),
    color 320ms var(--easing),
    border-color 320ms var(--easing),
    transform 320ms var(--easing);
}

.btn:hover {
  border-color: var(--bronze);
  color: var(--bronze-1);
}

.btn-primary {
  background: var(--bronze);
  color: var(--ink);
  border-color: var(--bronze);
}

.btn-primary:hover {
  background: var(--bronze-1);
  border-color: var(--bronze-1);
  color: var(--ink);
}

.btn .arrow {
  display: inline-block;
  transition: transform 320ms var(--easing);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* ─────────────────────────────────────────────────────────
   Site header — sticky, top
   ───────────────────────────────────────────────────────── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(20px, 4vw, 60px);
  padding: 22px var(--gutter);
  background: linear-gradient(180deg, rgba(246, 241, 227, 0.86) 0%, rgba(246, 241, 227, 0) 100%);
  transition:
    background 280ms var(--easing),
    padding 280ms var(--easing),
    border-color 280ms var(--easing);
  border-bottom: 1px solid transparent;
}

.site-header[data-elevated="true"] {
  background: rgba(246, 241, 227, 0.92);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  padding-top: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  color: var(--text);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: 0.04em;
  font-variation-settings: "opsz" 32, "SOFT" 30;
}

.brand-meta {
  display: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

@media (min-width: 900px) {
  .brand-meta { display: inline; }
}

.brand-meta::before {
  content: "/";
  margin-right: 10px;
  color: var(--bronze);
}

.desktop-nav {
  display: none;
  justify-content: center;
  gap: 36px;
}

@media (min-width: 1024px) {
  .desktop-nav { display: flex; }
}

.desktop-nav a {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
  font-weight: 400;
  position: relative;
  padding: 6px 0;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--bronze);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 320ms var(--easing);
}

.desktop-nav a:hover { color: var(--bronze-1); }
.desktop-nav a:hover::after { transform: scaleX(1); }

.header-tools {
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-switch {
  display: flex;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
}

.lang-switch button {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--text-dim);
  transition:
    background 220ms var(--easing),
    color 220ms var(--easing);
}

.lang-switch button[aria-pressed="true"] {
  background: var(--paper);
  color: var(--ink);
}

.lang-switch button:hover:not([aria-pressed="true"]) {
  color: var(--text);
}

.header-cta {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--bronze);
  padding: 10px 18px;
  border-radius: 999px;
  transition: background 220ms var(--easing);
}

@media (min-width: 720px) {
  .header-cta { display: inline-flex; align-items: center; gap: 8px; }
}

.header-cta:hover {
  background: var(--bronze-1);
}

/* ─────────────────────────────────────────────────────────
   Hero
   ───────────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: clamp(640px, 100vh, 1080px);
  max-height: 1200px;
  padding: 140px var(--gutter) 80px;
  display: grid;
  grid-template-columns: 1fr;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: brightness(0.55) contrast(1.05) saturate(0.85);
  transform: scale(1.04);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(26, 22, 18, 0.42) 0%, rgba(246, 241, 227, 0.1) 30%, rgba(246, 241, 227, 0.65) 75%, rgba(246, 241, 227, 0.95) 100%),
    linear-gradient(90deg, rgba(246, 241, 227, 0.86) 0%, rgba(246, 241, 227, 0) 60%);
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 6vw, 80px);
  padding-top: clamp(28px, 5vh, 64px);
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bronze);
  box-shadow: 0 0 0 4px var(--bronze-glow);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(176, 139, 90, 0.18); }
  50% { box-shadow: 0 0 0 8px rgba(176, 139, 90, 0.06); }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(54px, 10vw, 156px);
  line-height: 0.92;
  letter-spacing: -0.025em;
  color: var(--text);
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--bronze-1);
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

.hero-title .line { display: block; }
.hero-title .indent { display: block; padding-left: 0.6em; }

.hero-copy {
  margin-top: 32px;
  max-width: 540px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  font-weight: 300;
}

.hero-actions {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-aside {
  display: flex;
  flex-direction: column;
  gap: 40px;
  justify-content: flex-end;
  padding-bottom: 4px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 30px;
  padding-top: 30px;
  border-top: 1px solid var(--rule-strong);
}

.hero-metric .v {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(36px, 4.4vw, 56px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--text);
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

.hero-metric .v em {
  font-style: normal;
  color: var(--bronze-1);
  font-size: 0.55em;
  vertical-align: 0.4em;
  margin-left: 4px;
  font-weight: 400;
}

.hero-metric .l {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  line-height: 1.4;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero-scroll .pipe {
  width: 1px;
  height: 56px;
  background: linear-gradient(180deg, var(--bronze) 0%, transparent 100%);
  position: relative;
  overflow: hidden;
}

.hero-scroll .pipe::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: var(--bronze-2);
  animation: drip 2.2s ease-in-out infinite;
}

@keyframes drip {
  0% { transform: translateY(-100%); opacity: 0; }
  35% { opacity: 1; }
  100% { transform: translateY(360%); opacity: 0; }
}

/* ─────────────────────────────────────────────────────────
   Section primitives
   ───────────────────────────────────────────────────────── */

section {
  position: relative;
  padding: clamp(48px, 8vh, 100px) var(--gutter);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-head {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
  margin-bottom: clamp(56px, 8vw, 110px);
}

@media (min-width: 900px) {
  .section-head {
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: end;
  }
}

.section-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 5.6vw, 76px);
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--text);
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

.section-title em {
  font-style: italic;
  color: var(--bronze-1);
  font-weight: 300;
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
  display: inline-block;
  margin-bottom: 14px;
}

/* ─────────────────────────────────────────────────────────
   Manifesto
   ───────────────────────────────────────────────────────── */

.manifesto {
  padding-top: clamp(48px, 8vh, 88px);
  padding-bottom: clamp(48px, 8vh, 88px);
  border-top: 1px solid var(--rule);
}

.manifesto-text {
  max-width: 1100px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.22;
  letter-spacing: -0.012em;
  color: var(--text);
  font-variation-settings: "opsz" 80, "SOFT" 50;
}

.manifesto-text em {
  font-style: italic;
  color: var(--bronze-1);
  font-variation-settings: "opsz" 80, "SOFT" 100;
}

.manifesto-meta {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 60px;
  padding-top: 36px;
  border-top: 1px solid var(--rule);
  max-width: 800px;
}

@media (min-width: 720px) {
  .manifesto-meta { grid-template-columns: repeat(4, 1fr); }
}

.manifesto-meta div .k {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.manifesto-meta div .v {
  display: block;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
  letter-spacing: 0.01em;
}

/* ─────────────────────────────────────────────────────────
   Capabilities — five horizontal lanes
   ───────────────────────────────────────────────────────── */

.capabilities {
  background: transparent;
  border-top: 1px solid var(--rule);
}

.cap-list {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--rule);
}

.cap-row {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 36px 0;
  border-bottom: 1px solid var(--rule);
  transition: background 360ms var(--easing);
  position: relative;
  overflow: hidden;
}

@media (min-width: 900px) {
  .cap-row {
    grid-template-columns: 80px 1.6fr 1fr 2fr;
    gap: clamp(20px, 3vw, 60px);
    padding: 48px 0;
    align-items: start;
  }
}

.cap-row::before {
  content: "";
  position: absolute;
  left: -20%;
  top: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--bronze-glow) 0%, transparent 100%);
  transition: width 600ms var(--easing);
  pointer-events: none;
  z-index: -1;
}

.cap-row:hover::before { width: 140%; }

.cap-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--bronze);
  padding-top: 6px;
}

.cap-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--text);
  font-variation-settings: "opsz" 80, "SOFT" 50;
}

.cap-title .zh {
  display: block;
  font-family: var(--font-chinese-display);
  font-size: 0.5em;
  font-weight: 400;
  color: var(--text-dim);
  margin-top: 10px;
  letter-spacing: 0.06em;
}

.cap-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  line-height: 1.7;
}

.cap-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  font-weight: 300;
}

/* ─────────────────────────────────────────────────────────
   Selected Work — editorial spreads
   ───────────────────────────────────────────────────────── */

.work {
  padding-top: clamp(72px, 10vh, 120px);
  padding-bottom: clamp(40px, 6vh, 72px);
  border-top: 1px solid var(--rule);
}

.work-spread {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;  /* was: center — caused big vertical gap when img and info heights differ */
  padding: clamp(40px, 6vh, 80px) 0;
  border-top: 1px solid var(--rule);
}

@media (min-width: 900px) {
  .work-spread {
    grid-template-columns: 7fr 5fr;
    gap: clamp(40px, 6vw, 100px);
  }
  .work-spread.flip { grid-template-columns: 5fr 7fr; }
  .work-spread.flip .work-img { order: 2; }
  .work-spread.flip .work-info { order: 1; }
}

.work-img {
  position: relative;
  overflow: hidden;
  background: transparent;
  /* was 4/5 (tall portrait) — but source images are 2.46:1 wide, causing
     extreme top/bottom crop and 883px-tall figures. 16/10 matches better
     and keeps work-spread heights tight (~440px instead of ~880px). */
  aspect-ratio: 16 / 10;
}

.work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  transition: transform 1400ms var(--easing);
}

.work-spread:hover .work-img img { transform: scale(1.07); }

/* .work-img::after gradient removed — was covering bottom of project photos */

.work-img-tag {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(246, 241, 227, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 8px 12px;
  border: 1px solid var(--rule-strong);
}

.work-info .num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--bronze);
  margin-bottom: 24px;
  display: inline-block;
}

.work-info h3 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 4.4vw, 64px);
  line-height: 1;
  letter-spacing: -0.022em;
  color: var(--text);
  margin-bottom: 12px;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

.work-info .h3-zh {
  display: block;
  font-family: var(--font-chinese-display);
  font-weight: 400;
  font-size: 0.45em;
  color: var(--bronze-1);
  margin-top: 14px;
  letter-spacing: 0.08em;
}

.work-info .copy {
  margin: 28px 0 36px;
  font-size: 15px;
  line-height: 1.74;
  color: var(--text);
  font-weight: 300;
  max-width: 540px;
}

.work-info .copy em {
  color: var(--bronze-1);
  font-style: italic;
  font-family: var(--font-display);
  font-variation-settings: "opsz" 30, "SOFT" 100;
}

.work-spec {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 30px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  max-width: 540px;
}

.work-spec dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.work-spec dd {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* ─────────────────────────────────────────────────────────
   Archive — project log
   ───────────────────────────────────────────────────────── */

.archive {
  background: transparent;
  border-top: 1px solid var(--rule);
}

.archive-list {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--rule);
}

.archive-row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  position: relative;
  transition: padding 360ms var(--easing);
}

@media (min-width: 900px) {
  .archive-row {
    grid-template-columns: 84px minmax(280px, 1.6fr) minmax(180px, 1fr) minmax(180px, 1fr) minmax(200px, 1.2fr);
    gap: clamp(20px, 3vw, 50px);
  }
}

.archive-row::before {
  content: "";
  position: absolute;
  left: -2vw;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--bronze);
  transition: width 320ms var(--easing);
}

.archive-row:hover::before { width: 3px; }
.archive-row:hover { padding-left: 12px; }
.archive-row:hover .arc-name { color: var(--bronze-1); }

.arc-year {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--bronze);
}

.arc-name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 22px;
  letter-spacing: -0.012em;
  color: var(--text);
  line-height: 1.15;
  transition: color 320ms var(--easing);
  font-variation-settings: "opsz" 40, "SOFT" 50;
}

.arc-name .zh {
  display: block;
  font-family: var(--font-chinese-display);
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
  letter-spacing: 0.06em;
}

.arc-cell {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.01em;
}

.arc-cell .label {
  display: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 4px;
}

@media (max-width: 899px) {
  .arc-cell .label { display: block; }
}

.archive-foot {
  margin-top: clamp(40px, 6vh, 64px);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 28px;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
}

.archive-foot p {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--text);
  font-variation-settings: "opsz" 30, "SOFT" 50;
}

.archive-foot p em {
  color: var(--bronze-1);
  font-style: italic;
}

/* ─────────────────────────────────────────────────────────
   The Studio — about + equipment
   ───────────────────────────────────────────────────────── */

.studio {
  border-top: 1px solid var(--rule);
}

.studio-lead {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: clamp(40px, 5vh, 64px);
}

@media (min-width: 900px) {
  .studio-lead {
    grid-template-columns: 1fr 1.3fr;
    gap: clamp(40px, 6vw, 100px);
  }
}

.studio-lead h2,
.studio-lead .studio-h3 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.022em;
  color: var(--text);
  font-variation-settings: "opsz" 144, "SOFT" 50;
  margin: 0;
}

.studio-lead h2 em,
.studio-lead .studio-h3 em {
  font-style: italic;
  color: var(--bronze-1);
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

.studio-lead p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  font-weight: 300;
  max-width: 600px;
}

.studio-lead p + p { margin-top: 22px; }

.studio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
}

@media (min-width: 720px) {
  .studio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .studio-grid { grid-template-columns: repeat(4, 1fr); }
}

.equip {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.equip-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: transparent;
  position: relative;
}

.equip-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
  transition: transform 1200ms var(--easing), filter 600ms var(--easing);
}

.equip:hover .equip-img img {
  transform: scale(1.05);
  filter: brightness(1);
}

.equip h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: -0.005em;
  color: var(--text);
  font-variation-settings: "opsz" 30, "SOFT" 50;
}

.equip-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--bronze);
  margin-bottom: -8px;
}

.equip dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 14px;
  margin-top: 4px;
}

.equip dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.equip dd {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text);
  font-weight: 400;
}

/* ─────────────────────────────────────────────────────────
   Process — 4-step
   ───────────────────────────────────────────────────────── */

.process {
  background: transparent;
  border-top: 1px solid var(--rule);
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  border-top: 1px solid var(--rule);
}

@media (min-width: 720px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1100px) {
  .process-grid { grid-template-columns: repeat(4, 1fr); gap: 0; }
}

.process-step {
  padding: 36px 24px 44px;
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: background 400ms var(--easing);
}

@media (min-width: 1100px) {
  .process-step:last-child { border-right: 0; }
}

.process-step:hover { background: transparent; }

.process-step .step-n {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 84px;
  line-height: 0.9;
  color: var(--bronze);
  margin-bottom: 32px;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  display: block;
}

.process-step h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  color: var(--text);
  margin-bottom: 14px;
  font-variation-settings: "opsz" 40, "SOFT" 50;
}

.process-step .zh {
  display: block;
  font-family: var(--font-chinese-display);
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 22px;
  letter-spacing: 0.06em;
}

.process-step p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  font-weight: 300;
}

/* ─────────────────────────────────────────────────────────
   Clients — names as type
   ───────────────────────────────────────────────────────── */

.clients {
  background: transparent;
  border-top: 1px solid var(--rule);
}

.clients-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}

@media (min-width: 900px) {
  .clients-grid {
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 100px);
  }
}

.clients-col h3 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}

.clients-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.clients-col li {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: -0.012em;
  color: var(--text);
  line-height: 1.4;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 320ms var(--easing), border-color 320ms var(--easing);
  cursor: default;
  font-variation-settings: "opsz" 60, "SOFT" 50;
}

.clients-col li:hover {
  color: var(--bronze-1);
  border-bottom-color: var(--rule);
}

/* ─────────────────────────────────────────────────────────
   Contact
   ───────────────────────────────────────────────────────── */

.contact {
  border-top: 1px solid var(--rule);
  background: transparent;
}

.contact-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 6vw, 100px);
}

@media (min-width: 1024px) {
  .contact-inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.contact-copy h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(42px, 6vw, 84px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 32px;
  font-variation-settings: "opsz" 144, "SOFT" 50;
}

.contact-copy h2 em {
  font-style: italic;
  color: var(--bronze-1);
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

.contact-copy p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  font-weight: 300;
  max-width: 540px;
}

.contact-blocks {
  margin-top: 44px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 720px) {
  .contact-blocks { grid-template-columns: 1fr 1fr; }
}

.contact-block .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 14px;
}

.contact-block .name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 18px;
  color: var(--text);
  margin-bottom: 10px;
  font-variation-settings: "opsz" 30, "SOFT" 50;
}

.contact-block .lines {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  font-weight: 300;
}

.contact-block .lines a {
  color: var(--bronze-1);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
  transition: color 220ms var(--easing), border-color 220ms var(--easing);
}

.contact-block .lines a:hover {
  color: var(--bronze-2);
  border-bottom-color: var(--bronze);
}

/* Form */
.enquiry {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 3vw, 32px) 0 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--rule);
  position: relative;
}

.enquiry-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}

.enquiry-head h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  color: var(--text);
  letter-spacing: -0.01em;
  font-variation-settings: "opsz" 30, "SOFT" 50;
}

.enquiry-head span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.enquiry label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.enquiry label span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.enquiry input,
.enquiry select,
.enquiry textarea {
  font-family: var(--font-sans);
  /* iOS / 微信内置浏览器 < 16px 输入会自动 zoom 放大整页 — 用 16px 防触发 */
  font-size: 16px;
  color: var(--text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-strong);
  padding: 12px 0 14px;
  outline: none;
  transition: border-color 220ms var(--easing);
  letter-spacing: 0.01em;
}

.enquiry input:focus,
.enquiry select:focus,
.enquiry textarea:focus {
  border-bottom-color: var(--bronze);
}

.enquiry textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.55;
  font-family: var(--font-sans);
}

.enquiry select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%23b08b5a' stroke-width='1' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 6px center;
  padding-right: 26px;
  cursor: pointer;
}

.enquiry select option {
  background: var(--paper);
  color: var(--ink);
}

.enquiry .submit {
  width: 100%;
  background: var(--bronze);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 18px 28px;
  border: 0;
  cursor: pointer;
  transition: background 280ms var(--easing);
  margin-top: 8px;
}

.enquiry .submit:hover { background: var(--bronze-1); }

/* ─────────────────────────────────────────────────────────
   Footer
   ───────────────────────────────────────────────────────── */

.site-footer {
  padding: clamp(48px, 6vh, 80px) var(--gutter) 36px;
  border-top: 1px solid var(--rule-strong);
  background: var(--paper);
  color: var(--text);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 720px) {
  .footer-inner {
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: clamp(30px, 4vw, 80px);
  }
}

.footer-brand .name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 2.4vw, 38px);
  letter-spacing: -0.01em;
  color: var(--ink);
  font-variation-settings: "opsz" 96, "SOFT" 30;
}

.footer-brand .sub {
  display: block;
  margin-top: 14px;
  font-family: var(--font-chinese-display);
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

.footer-brand .tagline {
  margin-top: 22px;
  max-width: 380px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  font-weight: 300;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col li {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--text);
  font-weight: 300;
}

.footer-col li a:hover { color: var(--bronze-1); }

.footer-bottom {
  max-width: var(--max);
  margin: 30px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.footer-bottom .legal {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

/* ─────────────────────────────────────────────────────────
   Mobile nav fallback (hamburger)
   ───────────────────────────────────────────────────────── */

.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  color: var(--text);
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
}

@media (max-width: 1023px) {
  .menu-toggle { display: inline-flex; }
}

.menu-toggle svg { width: 16px; height: 16px; }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--paper);
  padding: 100px var(--gutter) 40px;
  display: none;
  flex-direction: column;
  gap: 6px;
}

.mobile-nav[data-open="true"] { display: flex; }

.mobile-nav a {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 28px;
  letter-spacing: -0.01em;
  color: var(--ink);  /* was var(--paper) — same as bg = invisible text */
  padding: 16px 0;
  min-height: 56px;  /* WCAG touch target */
  border-bottom: 1px solid var(--rule);
  font-variation-settings: "opsz" 80;
}

.mobile-nav a:hover { color: var(--bronze-1); }

.mobile-nav .close {
  position: absolute;
  top: 22px;
  right: var(--gutter);
  width: 48px;  /* was 38px — below WCAG 44px target */
  height: 48px;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  color: var(--ink);  /* was var(--paper) — invisible */
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ─────────────────────────────────────────────────────────
   Marquee — running banner of clients
   ───────────────────────────────────────────────────────── */

.marquee {
  margin-top: clamp(40px, 6vh, 80px);
  overflow: hidden;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
  position: relative;
  background: rgba(246, 241, 227, 0.86);
}

.marquee-track {
  display: inline-flex;
  gap: 60px;
  white-space: nowrap;
  animation: marquee 42s linear infinite;
  padding-right: 60px;
  align-items: center;
}

.marquee-item {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 22px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 60px;
  font-variation-settings: "opsz" 40, "SOFT" 50;
}

.marquee-item::after {
  content: "✦";
  color: var(--bronze);
  font-size: 14px;
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* Reduce-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ═════════════════════════════════════════════════════════════
   Section lead — sub-paragraph under section title
   ═════════════════════════════════════════════════════════════ */
.section-lead {
  max-width: 720px;
  margin-top: 24px;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.65;
  color: var(--text-dim);
}
.section-lead em,
.section-lead strong {
  font-style: normal;
  font-weight: 500;
  color: var(--text);
}

/* ═════════════════════════════════════════════════════════════
   STUDIO FLOOR — large factory floor photo with paper frame
   ═════════════════════════════════════════════════════════════ */
.studio-floor {
  margin: clamp(80px, 10vh, 140px) calc(var(--gutter) * -0.4) clamp(40px, 6vh, 80px);
  position: relative;
}
.studio-floor img {
  display: block;
  width: 100%;
  height: auto;
  background: transparent;
  padding: 0;
  border: 0;
  box-shadow: none;
}
.studio-floor figcaption {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 4px;
}
.studio-floor figcaption .kicker {
  margin-bottom: 4px;
}
.studio-floor figcaption :not(.kicker) {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(16px, 1.4vw, 19px);
  font-style: italic;
  color: var(--text);
  font-variation-settings: "opsz" 30, "SOFT" 50;
}

/* ═════════════════════════════════════════════════════════════
   LOGISTIC — Dongguan → HK map + side stats
   ═════════════════════════════════════════════════════════════ */
.logistic {
  padding: clamp(40px, 6vh, 80px) var(--gutter);
  background: transparent;
  border-top: 1px solid var(--rule);
}
.logistic .section-inner { max-width: var(--max); margin: 0 auto; }

.logistic-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
  margin-top: clamp(50px, 7vh, 90px);
}
@media (max-width: 880px) {
  .logistic-grid { grid-template-columns: 1fr; }
}

.logistic-map {
  background: transparent;
  padding: 0;
  border: 0;
  box-shadow: none;
}
.logistic-map img {
  display: block;
  width: 100%;
  height: auto;
}

.logistic-side p {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--text);
  font-variation-settings: "opsz" 32, "SOFT" 40;
}
.logistic-side p em {
  font-style: italic;
  color: var(--bronze-1);
}

.logistic-stats {
  margin-top: clamp(30px, 4vh, 50px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  border-top: 1px solid var(--rule);
}
.logistic-stats > div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}
.logistic-stats dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.logistic-stats dd {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: var(--text);
}
.logistic-stats .km {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 3.4vw, 52px);
  letter-spacing: -0.02em;
  color: var(--bronze-1);
  font-variation-settings: "opsz" 80, "SOFT" 50;
}
.logistic-stats .u {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-right: 12px;
}
.logistic-stats .t {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
}

/* ═════════════════════════════════════════════════════════════
   PROCESS — phase label + step owner pill
   ═════════════════════════════════════════════════════════════ */
.process-phase {
  margin: clamp(50px, 7vh, 80px) 0 28px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}
.process-phase:first-of-type {
  margin-top: clamp(40px, 5vh, 60px);
}
.phase-label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 18px;
}
.phase-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
}
.phase-name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 1.9vw, 28px);
  font-style: italic;
  color: var(--text);
  font-variation-settings: "opsz" 40, "SOFT" 50;
}
.phase-zh {
  font-family: var(--font-chinese-display);
  font-weight: 400;
  font-size: clamp(15px, 1.2vw, 18px);
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.step-owner {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  padding: 4px 9px;
  border: 1px solid var(--rule-bronze);
  border-radius: 2px;
}

/* ═════════════════════════════════════════════════════════════
   CERTIFICATION — EN 1090-2 EXC3
   ═════════════════════════════════════════════════════════════ */
.certification {
  padding: clamp(54px, 7vh, 100px) var(--gutter);
  border-top: 1px solid var(--rule);
}
.certification .section-inner { max-width: var(--max); margin: 0 auto; }

.cert-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
  margin-top: clamp(50px, 7vh, 90px);
}
@media (max-width: 880px) {
  .cert-grid { grid-template-columns: 1fr; }
}

.cert-doc {
  background: transparent;
  padding: clamp(18px, 2vw, 30px) clamp(18px, 2vw, 30px) clamp(14px, 1.4vw, 22px);
  border: 0;
  border-bottom: 1px solid var(--rule);
  box-shadow: none;
}
.cert-doc img {
  display: block;
  width: 100%;
  height: auto;
}
.cert-doc figcaption {
  margin-top: 14px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.cert-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}
.cert-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 28px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}
.cert-list .cert-k {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 2.2vw, 32px);
  letter-spacing: -0.02em;
  color: var(--bronze-1);
  font-style: italic;
  font-variation-settings: "opsz" 60, "SOFT" 50;
}
.cert-list .cert-v {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(14px, 1vw, 16px);
  line-height: 1.6;
  color: var(--text);
}
.cert-list .cert-v em {
  font-style: italic;
  color: var(--bronze-1);
}

/* ═════════════════════════════════════════════════════════════
   PRODUCTS — card grid (Guanyi-style B2B product showcase)
   ═════════════════════════════════════════════════════════════ */
.products {
  background: transparent;
  border-top: 1px solid var(--rule);
  padding: clamp(40px, 6vh, 80px) var(--gutter);
}
.products .section-inner { max-width: var(--max); margin: 0 auto; }

.products-grid {
  display: grid;
  /* 5 capabilities → 5 columns on wide screens, no orphaned right-edge gap.
     On medium screens fall back to 3 cols (last row 2 items centered).
     On narrow screens 1 col. */
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(20px, 2vw, 32px);
  margin-top: clamp(32px, 4vh, 56px);
  justify-content: center;
}
@media (min-width: 1280px) {
  .products-grid { grid-template-columns: repeat(5, 1fr); }
}

.product-card {
  display: flex;
  flex-direction: column;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  overflow: hidden;
  transition:
    transform 380ms var(--easing),
    box-shadow 380ms var(--easing),
    border-color 380ms var(--easing);
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--rule-bronze);
  box-shadow: none;
}

.product-img {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: transparent;
}
.product-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--easing);
}
.product-card:hover .product-img img {
  transform: scale(1.05);
}
.product-num {
  position: absolute;
  top: 16px;
  left: 18px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--paper);
  background: rgba(26, 22, 18, 0.78);
  backdrop-filter: blur(8px);
  padding: 6px 11px;
  border-radius: 0;
}

.product-info {
  padding: 16px 0 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.product-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-variation-settings: "opsz" 60, "SOFT" 50;
}
.product-title .zh {
  display: block;
  font-family: var(--font-chinese-display);
  font-size: clamp(15px, 1.1vw, 17px);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-top: 4px;
}
.product-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.product-desc {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--text-dim);
  flex: 1;
}
.product-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  transition: color 220ms var(--easing);
  align-self: flex-start;
}
.product-cta .arrow {
  transition: transform 320ms var(--easing);
}
.product-cta:hover {
  color: var(--bronze);
}
.product-cta:hover .arrow {
  transform: translateX(5px);
}

/* ═════════════════════════════════════════════════════════════
   ABOUT STATS — premium 6-stat ribbon under section head
   ═════════════════════════════════════════════════════════════ */
.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  margin: clamp(50px, 7vh, 80px) 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
.about-stat {
  padding: clamp(28px, 3.5vh, 44px) clamp(20px, 2vw, 32px);
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-stat:last-child { border-right: 0; }
@media (max-width: 880px) {
  .about-stat:nth-child(3n) { border-right: 0; }
  .about-stat:not(:last-child) { border-bottom: 1px solid var(--rule); }
}

.about-stat .v {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 4.5vw, 64px);
  letter-spacing: -0.03em;
  line-height: 0.92;
  color: var(--ink);
  font-variation-settings: "opsz" 144, "SOFT" 50;
}
.about-stat .v em {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  font-style: normal;
  color: var(--bronze);
  margin-left: 4px;
  vertical-align: super;
  font-weight: 500;
}
.about-stat .l {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ═════════════════════════════════════════════════════════════
   NEWS — atelier updates grid
   ═════════════════════════════════════════════════════════════ */
.news {
  padding: clamp(54px, 7vh, 100px) var(--gutter);
  background: var(--paper);
  border-top: 1px solid var(--rule);
}
.news .section-inner { max-width: var(--max); margin: 0 auto; }

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: clamp(28px, 3vw, 48px);
  margin-top: clamp(50px, 7vh, 90px);
}

.news-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2vw, 28px) 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--rule);
  border-radius: 0;
  transition:
    border-color 320ms var(--easing),
    transform 320ms var(--easing);
}
.news-item:hover {
  border-color: var(--rule-bronze);
  transform: translateY(-3px);
}

.news-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
  padding: 5px 10px;
  border: 1px solid var(--rule-bronze);
  border-radius: 2px;
}
.news-item time {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.news-item h3 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(20px, 1.8vw, 24px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  font-variation-settings: "opsz" 60, "SOFT" 50;
}
.news-item p {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.62;
  color: var(--text-dim);
  flex: 1;
}

.news-foot {
  margin-top: clamp(40px, 6vh, 70px);
  text-align: center;
}

/* ═════════════════════════════════════════════════════════════
   FLOATING CONTACT RAIL — right-side fixed (Guanyi-style)
   ═════════════════════════════════════════════════════════════ */
.contact-rail {
  position: fixed;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.rail-btn {
  pointer-events: auto;
  width: 48px;
  height: 48px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: rgba(26, 22, 18, 0.88);
  border: 0;
  border-radius: 50%;
  color: var(--paper);
  cursor: pointer;
  box-shadow: none;
  backdrop-filter: blur(8px);
  transition:
    transform 240ms var(--easing),
    background 240ms var(--easing),
    color 240ms var(--easing),
    border-color 240ms var(--easing),
    border-radius 240ms var(--easing),
    width 240ms var(--easing);
  position: relative;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.rail-btn svg {
  width: 18px;
  height: 18px;
  display: block;
  transition: transform 240ms var(--easing);
}
.rail-label {
  display: none;
}
.rail-btn:hover {
  background: var(--bronze);
  border-color: var(--bronze);
  color: var(--ink);
  transform: scale(1.06);
}
.rail-btn:hover svg {
  transform: scale(1.1);
}

/* WeChat popover — QR placeholder */
.rail-btn-wechat .rail-popover {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  width: 168px;
  background: var(--paper);
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  padding: 14px;
  box-shadow: none;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 240ms var(--easing),
    transform 240ms var(--easing);
}
.rail-btn-wechat:hover .rail-popover {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
  pointer-events: auto;
}
.rail-popover::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--paper);
  border-right: 1px solid var(--rule-strong);
  border-top: 1px solid var(--rule-strong);
}
.popover-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 12px;
  text-align: center;
}
.popover-qr-placeholder {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-linear-gradient(
    45deg,
    var(--paper-3),
    var(--paper-3) 4px,
    var(--paper-2) 4px,
    var(--paper-2) 8px
  );
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink);
  text-align: center;
  line-height: 1.4;
}

@media (max-width: 720px) {
  .contact-rail { right: 12px; gap: 8px; }
  .rail-btn { width: 42px; height: 42px; }
  .rail-btn svg { width: 15px; height: 15px; }
  .rail-btn-wechat .rail-popover { display: none; }
}

/* (Arabic / RTL support removed — site is now EN + 繁 only) */

/* ═════════════════════════════════════════════════════════════
   Cross-language subtitle suppression
   Each language renders cleanly — never mix EN and 繁 in same heading.
   The .zh / .h3-zh subtitles were a pre-i18n bilingual pattern.

   Default (EN): hide all .zh / .h3-zh subtitles.
   In 繁/简 mode (body.lang-zh-hant / lang-zh-hans / lang-zh):
     - Show the .zh subtitle
     - Hide the surrounding EN text in archive arc-name (using ::first-child or
       wrapping the EN text in .arc-name-en)
   ═════════════════════════════════════════════════════════════ */
.product-title .zh,
.adv-head h3 .zh,
.group-card h3 .zh,
.work-info h3 .h3-zh,
.archive-row .arc-name .zh {
  display: none;
}

/* 繁/简 mode: archive project name shows .zh, hides EN sibling text */
body.lang-zh-hant .archive-row .arc-name .zh,
body.lang-zh-hans .archive-row .arc-name .zh,
body.lang-zh .archive-row .arc-name .zh {
  display: inline;
  font-family: "Noto Serif TC", "Noto Serif SC", "Source Han Serif TC", serif;
  font-weight: 500;
  color: var(--ink);
}

/* Hide the EN portion of arc-name h4 in zh mode.
   Pattern: <h4 class="arc-name">English Name <span class="zh">繁體名</span></h4>
   We use font-size:0 on h4 then restore font-size on .zh (a common a11y-safe trick). */
body.lang-zh-hant .archive-row .arc-name,
body.lang-zh-hans .archive-row .arc-name,
body.lang-zh .archive-row .arc-name {
  font-size: 0;
}
body.lang-zh-hant .archive-row .arc-name .zh,
body.lang-zh-hans .archive-row .arc-name .zh,
body.lang-zh .archive-row .arc-name .zh {
  font-size: 17px;
}

/* Work-img wrapper anchor — hover signals clickability */
.work-img-link {
  display: block;
  position: relative;
  cursor: pointer;
}
.work-img-link::after {
  content: "View project ↗";
  position: absolute;
  right: 24px;
  bottom: 24px;
  z-index: 3;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(26, 22, 18, 0.78);
  backdrop-filter: blur(8px);
  border-radius: 2px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 320ms var(--easing), transform 320ms var(--easing);
  pointer-events: none;
}
.work-spread:hover .work-img-link::after {
  opacity: 1;
  transform: translateY(0);
}
html[lang*="zh"] .work-img-link::after {
  content: "查看項目 ↗";
}

/* ═════════════════════════════════════════════════════════════
   PROJECT DETAIL PAGE — /work/<slug>.html
   ═════════════════════════════════════════════════════════════ */
.project-page {
  background: var(--paper);
}
.proj-header {
  background: rgba(246, 241, 227, 0.92) !important;
  backdrop-filter: blur(18px);
}
.proj-main {
  padding-top: 90px;
}

.proj-hero {
  position: relative;
  min-height: 70vh;
  padding: 0 var(--gutter) clamp(40px, 5vh, 64px);
  display: grid;
  align-items: end;
  isolation: isolate;
  margin-top: -90px;
}
.proj-hero-img {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}
.proj-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(0.85) brightness(0.95);
}
.proj-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(246,241,227,0.25) 0%, rgba(246,241,227,0.65) 60%, rgba(246,241,227,0.92) 100%);
  z-index: 2;
}
.proj-hero-text {
  position: relative;
  z-index: 3;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  padding-top: 180px;
}
.proj-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(56px, 8vw, 144px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--ink);
  font-variation-settings: "opsz" 144, "SOFT" 20;
  margin-top: 24px;
}
.proj-subtitle {
  margin-top: 18px;
  font-family: var(--font-chinese-display);
  font-size: clamp(22px, 2vw, 32px);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.proj-facts {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(40px, 5vh, 64px) var(--gutter);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
.proj-fact {
  padding: 28px 24px;
  border-right: 1px solid var(--rule);
}
.proj-fact:last-child { border-right: 0; }
.proj-fact dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 10px;
}
.proj-fact dd {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
}
.proj-fact .zh-meta {
  display: block;
  font-family: var(--font-chinese-display);
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

.proj-narrative {
  padding: clamp(48px, 8vh, 100px) var(--gutter);
}
.proj-narrative .section-inner {
  max-width: 880px;
  margin: 0 auto;
}
.proj-copy {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--ink);
  font-variation-settings: "opsz" 60, "SOFT" 40;
}
.proj-copy em {
  font-style: italic;
  color: var(--bronze);
}
.proj-copy-en { margin-bottom: 36px; }
.proj-copy-zh {
  font-family: var(--font-chinese-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.78;
  padding-top: 36px;
  border-top: 1px solid var(--rule);
  color: var(--text-dim);
}

.proj-gallery {
  padding: 0 var(--gutter) clamp(40px, 6vh, 72px);
  background: transparent;
}
.proj-gallery .section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding-top: clamp(48px, 8vh, 100px);
}
.proj-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 24px;
  margin-top: clamp(40px, 6vh, 80px);
}
.proj-gallery-item {
  overflow: hidden;
  background: transparent;
  border: 0;
  aspect-ratio: 16 / 10;  /* equal heights across all gallery items */
}
.proj-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 700ms var(--easing);
}
.proj-gallery-item:hover img {
  transform: scale(1.02);
}

.proj-cta {
  padding: clamp(40px, 6vh, 72px) var(--gutter);
  background: transparent;
  text-align: left;
}
.proj-cta .section-inner {
  max-width: var(--max);
  margin: 0 auto;
}
.proj-cta .section-title { margin-bottom: 24px; }
.proj-cta .section-lead { max-width: 540px; margin-bottom: 48px; }

.proj-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
.proj-nav-link {
  padding: clamp(36px, 5vh, 60px) var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 320ms var(--easing);
}
.proj-nav-link:hover {
  background: transparent;
}
.proj-nav-next { text-align: right; border-left: 1px solid var(--rule); }
.proj-nav-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
}
.proj-nav-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 2vw, 30px);
  color: var(--ink);
  font-variation-settings: "opsz" 60, "SOFT" 30;
}

/* ═════════════════════════════════════════════════════════════
   GROUP STRUCTURE — 3 plants (Huizhou flagship / Dongguan partner / HK sales)
   ═════════════════════════════════════════════════════════════ */
.group-structure {
  margin: clamp(60px, 8vh, 110px) 0 clamp(40px, 6vh, 80px);
}
.group-structure .kicker {
  margin-bottom: clamp(20px, 3vh, 32px);
  display: inline-flex;
}

.group-motto {
  margin-bottom: clamp(36px, 5vh, 60px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 3px solid var(--bronze);
  padding: 10px 0 10px 24px;
}
.group-motto em {
  font-family: var(--font-chinese-display);
  font-weight: 500;
  font-style: normal;
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: 0.08em;
  color: var(--ink);
  line-height: 1.2;
}
.group-motto span {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(13px, 1.1vw, 15px);
  letter-spacing: 0.04em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.group-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 2.5vw, 36px);
}
@media (max-width: 880px) {
  .group-grid { grid-template-columns: 1fr; }
}

.group-card {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  padding: clamp(28px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition:
    border-color 320ms var(--easing),
    transform 320ms var(--easing),
    box-shadow 320ms var(--easing);
}
.group-card:hover {
  border-color: var(--rule-bronze);
  transform: translateY(-4px);
  box-shadow: none;
}

.group-card.group-primary {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-left: 3px solid var(--bronze);
  padding-left: 18px;
  box-shadow: none;
}

.group-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
  padding: 5px 10px;
  border: 1px solid var(--rule-bronze);
  border-radius: 2px;
}

.group-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.group-card h3 .zh {
  display: block;
  font-family: var(--font-chinese-display);
  font-size: clamp(14px, 1.1vw, 16px);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-top: 6px;
}

.group-card dl {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 4px;
}
.group-card dl > div {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 14px;
  align-items: baseline;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}
.group-card dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.group-card dd {
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--text);
}
.group-card dd em {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: normal;
  font-size: clamp(18px, 1.5vw, 22px);
  letter-spacing: -0.01em;
  color: var(--bronze);
}
.group-card dd strong {
  font-weight: 600;
  color: var(--ink);
}

/* Brand timeline */
.group-timeline {
  list-style: none;
  margin: clamp(50px, 6vh, 80px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
}
.group-timeline li {
  padding: clamp(22px, 3vh, 36px) clamp(16px, 1.6vw, 24px);
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}
.group-timeline li:last-child { border-right: 0; }
.group-timeline li:last-child::before {
  content: "★";
  position: absolute;
  top: 12px;
  right: 14px;
  color: var(--bronze);
  font-size: 12px;
}
@media (max-width: 880px) {
  .group-timeline { grid-template-columns: 1fr; }
  .group-timeline li { border-right: 0; border-bottom: 1px solid var(--rule); }
  .group-timeline li:last-child { border-bottom: 0; }
}
.t-year {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 2vw, 28px);
  letter-spacing: -0.01em;
  color: var(--bronze);
}
.t-event {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
}

/* Footer entities column gets slightly more breathing room */
.footer-entities ul li { margin-bottom: 14px; line-height: 1.5; }
.footer-entities ul li strong { font-weight: 500; color: var(--paper); }
.footer-entities .muted { color: rgba(236, 230, 216, 0.55); font-size: 12px; }

/* ═════════════════════════════════════════════════════════════
   HERO CINEMATIC — Permasteelisa / Foster + Partners style
   Full-bleed image · paper veil for text legibility · giant serif title
   ═════════════════════════════════════════════════════════════ */
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}
.hero-media .hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: contrast(1.08) saturate(0.78) brightness(0.94);
  opacity: 0;
  animation: heroRotate 32s infinite cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
/* Stagger 4 images by 8s each so one is always fading in over the next */
.hero-media .hero-img:nth-child(1) { animation-delay: 0s; }
.hero-media .hero-img:nth-child(2) { animation-delay: 8s; }
.hero-media .hero-img:nth-child(3) { animation-delay: 16s; }
.hero-media .hero-img:nth-child(4) { animation-delay: 24s; }

/* Each image: fade in (10%), hold + slow Ken Burns zoom (15%), fade out (5%), invisible rest */
@keyframes heroRotate {
  0%   { opacity: 0; transform: scale(1.0); }
  4%   { opacity: 1; }
  25%  { opacity: 1; transform: scale(1.08); }
  29%  { opacity: 0; transform: scale(1.10); }
  100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-media .hero-img { animation: none; opacity: 1; transform: none; }
  .hero-media .hero-img:not(:first-child) { display: none; }
}

/* Ghost button — for tertiary CTA (PDF download) */
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--rule);
}
.btn-ghost:hover {
  color: var(--bronze);
  border-color: var(--bronze);
}
.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(180deg, rgba(246, 241, 227, 0.20) 0%, rgba(246, 241, 227, 0.55) 65%, rgba(246, 241, 227, 0.92) 100%),
    linear-gradient(90deg, rgba(246, 241, 227, 0.62) 0%, rgba(246, 241, 227, 0.18) 60%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 3; }

/* HERO — full-screen cinematic, oversized type (Permasteelisa scale) */
.hero {
  min-height: 620px !important;
  height: 92vh;
  max-height: 1000px !important;
  padding: clamp(66px, 9vh, 100px) var(--gutter) clamp(50px, 7vh, 90px) !important;
}
.hero-inner {
  padding-top: 0 !important;
  gap: clamp(50px, 8vh, 100px) !important;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(56px, 8vw, 132px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variation-settings: "opsz" 60;
  margin-top: clamp(40px, 6vh, 80px);
  max-width: 16ch;
}
.hero-title .line { display: block; }
.hero-title em {
  /* 不再 italic — 大字 italic 在 Source Serif 4 下显得歪斜不正式
     改成同字体 + weight 加重 + bronze 重点色 */
  font-style: normal;
  font-weight: 600;
  color: var(--bronze);
  font-variation-settings: "opsz" 60;
}

/* Chinese hero — Noto Serif TC, weight 700 for 端正 feel */
:lang(zh) .hero-title,
[lang="zh-Hans"] .hero-title,
[lang="zh-Hant"] .hero-title,
html[lang*="zh"] .hero-title {
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.06;
  font-size: clamp(52px, 8vw, 128px);
  max-width: 10ch;
}

.hero-eyebrow {
  margin-bottom: clamp(28px, 4vh, 50px) !important;
}
.hero-eyebrow .eyebrow {
  font-size: 13px;
  letter-spacing: 0.28em;
}

.hero-copy {
  margin-top: clamp(36px, 5vh, 60px) !important;
  font-size: clamp(16px, 1.25vw, 19px) !important;
  line-height: 1.75 !important;
  max-width: 36em;
  font-weight: 300;
  color: var(--ink);
  letter-spacing: 0.01em;
}
:lang(zh) .hero-copy,
html[lang*="zh"] .hero-copy {
  font-size: clamp(15px, 1.15vw, 18px) !important;
  line-height: 1.85 !important;
  max-width: 24em;
  letter-spacing: 0.02em;
}

/* Chinese paragraph readability — apply to all long-form copy */
:lang(zh) .section-lead,
:lang(zh) .product-desc,
:lang(zh) .news-item p,
:lang(zh) .group-card dd,
:lang(zh) .work-info .copy,
:lang(zh) .adv-points li,
html[lang*="zh"] .section-lead,
html[lang*="zh"] .product-desc,
html[lang*="zh"] .news-item p,
html[lang*="zh"] .group-card dd,
html[lang*="zh"] .work-info .copy,
html[lang*="zh"] .adv-points li,
html[lang*="zh"] .process-step p,
html[lang*="zh"] .contact-copy p {
  line-height: 1.78 !important;
  letter-spacing: 0.02em;
}

:lang(zh) .section-lead,
html[lang*="zh"] .section-lead {
  max-width: 30em;
  font-size: clamp(15px, 1.1vw, 17px);
}

.hero-actions {
  margin-top: clamp(40px, 6vh, 64px) !important;
}
.hero-actions .btn {
  padding: 20px 32px 19px;
  font-size: 13px;
  letter-spacing: 0.18em;
}

/* Hero metrics — oversized numbers (Foster + Partners style) */
.hero-metric .v {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(48px, 5vw, 88px) !important;
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
.hero-metric .v em {
  font-size: 13px;
  letter-spacing: 0.16em;
}
.hero-metric .l {
  font-size: 11px;
  letter-spacing: 0.24em;
}

/* Section titles — bigger, more presence */
.section-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(48px, 6.4vw, 124px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-variation-settings: "opsz" 144, "SOFT" 25;
}
.section-title em {
  font-style: italic;
  color: var(--bronze);
  font-variation-settings: "opsz" 144, "SOFT" 70;
}

/* Section number — bigger kicker */
.section-num {
  font-size: 12px !important;
  letter-spacing: 0.30em !important;
  margin-bottom: clamp(20px, 3vh, 32px);
}

/* Header — brand & nav scale up */
.brand-name {
  font-size: clamp(20px, 1.6vw, 24px) !important;
  letter-spacing: -0.005em !important;
  font-variation-settings: "opsz" 60, "SOFT" 30;
}
.brand-meta {
  font-size: 11px !important;
  letter-spacing: 0.18em !important;
}
.desktop-nav a {
  font-size: 14px !important;
  letter-spacing: 0.04em !important;
  font-weight: 400;
}

/* Section padding — more breathing room */
.products,
.advantages,
.work,
.archive,
.studio,
.logistic,
.process,
.certification,
.clients,
.contact {
  padding-top: clamp(40px, 6vh, 72px) !important;
  padding-bottom: clamp(40px, 6vh, 72px) !important;
}

/* Section-head — keep some breathing room but cut the editorial whitespace */
.section-head {
  margin-bottom: clamp(32px, 4vh, 60px);
}
.product-title,
.group-card h3,
.news-item h3,
.adv-head h3,
.work-info h3 {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 60, "SOFT" 40;
}

/* Image hover desaturate — architect portfolio style */
.product-img img,
.work-img img {
  filter: grayscale(0.18) contrast(1.04);
  transition: filter 600ms var(--easing), transform 700ms var(--easing);
}
.product-card:hover .product-img img,
.work-spread:hover .work-img img {
  filter: grayscale(0) contrast(1.06);
}

/* ═════════════════════════════════════════════════════════════
   DARK INTERSTITIAL — cinematic brand quote (Bottega Veneta / NYT Magazine style)
   ═════════════════════════════════════════════════════════════ */
.dark-quote {
  position: relative;
  padding: clamp(72px, 11vh, 130px) var(--gutter);
  background:
    radial-gradient(ellipse at 30% 20%, rgba(138, 107, 65, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(138, 107, 65, 0.08) 0%, transparent 55%),
    var(--ink);
  color: var(--paper);
  text-align: left;
  overflow: hidden;
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
}
.dark-quote::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 0.9  0 0 0 0 0.78  0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.55;
  mix-blend-mode: screen;
}
.dark-quote-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.dark-quote-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bronze-2);
  margin-bottom: clamp(40px, 6vh, 70px);
}
.dark-quote-text {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 5vw, 80px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--paper);
  font-variation-settings: "opsz" 120, "SOFT" 30;
  margin: 0;
  max-width: 1000px;
}
.dark-quote-text em {
  font-style: italic;
  color: var(--bronze-2);
  font-variation-settings: "opsz" 120, "SOFT" 70;
}
.dark-quote-motto {
  margin-top: clamp(50px, 7vh, 90px);
  padding-top: 26px;
  border-top: 1px solid rgba(236, 230, 216, 0.18);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.dark-quote-motto em {
  font-family: var(--font-chinese-display);
  font-weight: 500;
  font-style: normal;
  font-size: clamp(22px, 2vw, 30px);
  letter-spacing: 0.08em;
  color: var(--paper);
}
.dark-quote-motto span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze-2);
}

/* ═════════════════════════════════════════════════════════════
   CONTACT — minimalised single-contact (group info lives in Studio)
   ═════════════════════════════════════════════════════════════ */
.contact-single {
  margin-top: clamp(40px, 5vh, 60px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(32px, 4vh, 50px) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.contact-key {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(20px, 1.8vw, 26px);
  color: var(--text-dim);
  letter-spacing: -0.005em;
  font-variation-settings: "opsz" 40, "SOFT" 50;
}
.contact-phone {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variation-settings: "opsz" 96, "SOFT" 30;
}
.contact-phone a { color: inherit; }
.contact-phone a:hover { color: var(--bronze); }
.contact-email {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--text);
}
.contact-email a { color: var(--ink); border-bottom: 1px solid var(--rule-bronze); padding-bottom: 1px; }
.contact-email a:hover { color: var(--bronze); }
.contact-note {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-faint);
  margin-top: 4px;
}
.contact-note a {
  color: var(--bronze);
  border-bottom: 1px solid var(--rule-bronze);
}

/* Footer minimal — drop the legal-entities column, switch to paper */
.footer-minimal {
  grid-template-columns: minmax(0, 1.5fr) repeat(2, minmax(0, 1fr)) !important;
}
.tagline-minimal {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
  margin-top: 18px;
  max-width: 480px;
  font-weight: 300;
}

/* ═════════════════════════════════════════════════════════════
   CORE ADVANTAGES — 6 cards from PDF P-05
   ═════════════════════════════════════════════════════════════ */
.advantages {
  background: transparent;
  border-top: 1px solid var(--rule);
  padding: clamp(40px, 6vh, 80px) var(--gutter);
}
.advantages .section-inner { max-width: var(--max); margin: 0 auto; }

.adv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(20px, 2.4vw, 36px);
  margin-top: clamp(50px, 7vh, 90px);
}

.adv-card {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  padding: clamp(20px, 2vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition:
    border-color 320ms var(--easing),
    transform 320ms var(--easing),
    box-shadow 320ms var(--easing);
}
.adv-card:hover {
  border-color: var(--rule-bronze);
  transform: translateY(-4px);
  box-shadow: none;
}

.adv-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}
.adv-num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(36px, 3.6vw, 52px);
  letter-spacing: -0.03em;
  color: var(--bronze);
  line-height: 0.9;
  flex-shrink: 0;
}
.adv-head h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.2;
  color: var(--ink);
}
.adv-head h3 .zh {
  display: block;
  font-family: var(--font-chinese-display);
  font-size: clamp(13px, 1vw, 15px);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-top: 5px;
}

.adv-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 0;
  margin: 0;
}
.adv-points li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
}
.adv-points li strong {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(22px, 2vw, 28px);
  letter-spacing: -0.01em;
  color: var(--bronze);
  min-width: 78px;
  line-height: 1;
}
.adv-points li span {
  color: var(--text-dim);
}

/* Motto line in footer brand */
.motto-line {
  margin: 14px 0 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 2px solid var(--bronze);
  padding-left: 14px;
}
.motto-line em {
  font-family: var(--font-chinese-display);
  font-weight: 500;
  font-style: normal;
  font-size: 17px;
  letter-spacing: 0.08em;
  color: var(--paper);
  line-height: 1.4;
}

/* Contact-flagship card — bronze left border to highlight Dongpai Huizhou */
.contact-block.contact-flagship {
  border-left: 3px solid var(--bronze);
  padding-left: 22px;
  margin-left: -22px;
}
.contact-block.contact-flagship .label {
  color: var(--bronze);
}
.contact-block .lines em {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: normal;
  color: var(--bronze);
  letter-spacing: -0.01em;
}

/* ═════════════════════════════════════════════════════════════
   PROJECT PAGE — language toggle (single-language at a time)
   ═════════════════════════════════════════════════════════════ */
.project-page .proj-copy-en,
.project-page .proj-copy-zh {
  transition: opacity 240ms ease;
}
body.lang-en .proj-copy-zh,
body.lang-en .zh-meta,
body.lang-en .proj-subtitle {
  display: none;
}
body.lang-zh .proj-copy-en,
body.lang-zh-hant .proj-copy-en,
body.lang-zh-hans .proj-copy-en {
  display: none;
}
body.lang-zh .proj-fact dd,
body.lang-zh-hant .proj-fact dd,
body.lang-zh-hans .proj-fact dd { font-family: var(--font-chinese-display); font-weight: 400; }

/* Hide quick-fact value English version when zh and the value has a zh-meta sibling */
body.lang-zh .proj-fact dd > br + .zh-meta {
  display: block;
  font-family: var(--font-chinese-display);
  font-size: 15px;
  color: var(--ink);
  margin-top: 0;
}
body.lang-zh .proj-fact dd > br {
  display: none;
}

/* Stack EN line then make it visually hidden when zh active — keep for screen-reader */
body.lang-zh .proj-fact dd { font-size: 0; }
body.lang-zh .proj-fact dd .zh-meta { font-size: 15px; }
body.lang-zh .proj-fact dd::before {
  content: attr(data-zh-fallback);
  font-size: 15px;
}

/* Cleaner: just hide the EN part of the dd, show the .zh-meta */
body.lang-zh .proj-fact dd:not(:has(.zh-meta)) { font-size: 15px; }

/* Project page nav bar — small EN/繁 toggle (top-right) */
.proj-lang-switch {
  position: fixed;
  top: 28px;
  right: 28px;
  z-index: 60;
  display: inline-flex;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: rgba(246, 241, 227, 0.92);
  backdrop-filter: blur(12px);
  padding: 4px;
}
.proj-lang-switch button {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 200ms ease;
}
.proj-lang-switch button.active {
  background: var(--ink);
  color: var(--paper);
}
.proj-lang-switch button:hover:not(.active) { color: var(--ink); }
@media (max-width: 720px) {
  .proj-lang-switch { top: 14px; right: 14px; padding: 3px; }
  .proj-lang-switch button { font-size: 10px; padding: 5px 10px; }
}

/* ═════════════════════════════════════════════════════════════
   Archive table inline EN/繁 swap
   --------------------------------------------------------------
   Default (EN): show .en-inline values, hide .zh-meta.
   When body.lang-zh-hant active: hide .en-inline, show .zh-meta.
   ═════════════════════════════════════════════════════════════ */
.archive-row .arc-cell .zh-meta { display: none; }
.archive-row .arc-cell .en-inline { display: inline; }

body.lang-zh-hant .archive-row .arc-cell .en-inline { display: none; }
body.lang-zh-hant .archive-row .arc-cell .zh-meta {
  display: inline;
  font-family: var(--font-chinese-display, var(--font-display));
}

/* ═════════════════════════════════════════════════════════════
   EN mode: hide the small Chinese subtitle of the group-motto
   (zh-hant / zh-hans display both; EN only needs the main line).
   ═════════════════════════════════════════════════════════════ */
body.lang-en .group-motto > span { display: none; }

/* ═════════════════════════════════════════════════════════════
   中文模式 · 正式印刷宋体 (Noto Serif TC/SC 思源宋体)
   ----------------------------------------------------------------
   不使用手写楷书 — 楷体笔画歪扭，不符合 B2B 工业品牌的正式调性。
   思源宋体是端正的印刷宋体，与英文版 Fraunces 衬线匹配，
   大标题用 600/700 weight 让字体厚重端正。
   ═════════════════════════════════════════════════════════════ */
body.lang-zh-hant,
body.lang-zh-hans,
body.lang-zh,
body.lang-zh-hant *:not(.font-mono):not([class*="mono"]):not(code):not(pre),
body.lang-zh-hans *:not(.font-mono):not([class*="mono"]):not(code):not(pre),
body.lang-zh *:not(.font-mono):not([class*="mono"]):not(code):not(pre) {
  font-family: "Noto Serif TC", "Noto Serif SC", "Source Han Serif TC", "Songti TC", "PingFang TC", serif;
}

/* 大标题加重 weight 让中文字看起来更端正、更有分量 */
body.lang-zh-hant h1,
body.lang-zh-hant h2,
body.lang-zh-hant h3,
body.lang-zh-hant .hero-title,
body.lang-zh-hant .section-title,
body.lang-zh-hant .proj-title,
body.lang-zh-hant .display,
body.lang-zh-hans h1,
body.lang-zh-hans h2,
body.lang-zh-hans h3,
body.lang-zh-hans .hero-title,
body.lang-zh-hans .section-title,
body.lang-zh-hans .proj-title,
body.lang-zh-hans .display {
  font-family: "Noto Serif TC", "Noto Serif SC", "Source Han Serif TC", "Songti TC", serif;
  font-weight: 600;
  font-variation-settings: normal;
  letter-spacing: 0.02em;
}

/* H1 hero — 大点儿、再厚一点儿 */
body.lang-zh-hant .hero-title,
body.lang-zh-hans .hero-title {
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.1;
}

/* em (强调) 在中文模式不再用 italic — 中文没有斜体, italic 反而歪斜 */
body.lang-zh-hant em,
body.lang-zh-hans em,
body.lang-zh em {
  font-style: normal;
  color: var(--bronze-1);
  font-weight: inherit;
}

/* keep numeric / mono labels in their original mono font even in 繁/简 mode */
body.lang-zh-hant .section-num,
body.lang-zh-hant .kicker,
body.lang-zh-hant .brand-meta,
body.lang-zh-hant .hero-eyebrow,
body.lang-zh-hant .num,
body.lang-zh-hant .work-img-tag,
body.lang-zh-hant .group-tag,
body.lang-zh-hant .arc-year,
body.lang-zh-hant .footer-bottom,
body.lang-zh-hans .section-num,
body.lang-zh-hans .kicker,
body.lang-zh-hans .brand-meta,
body.lang-zh-hans .hero-eyebrow,
body.lang-zh-hans .num,
body.lang-zh-hans .work-img-tag,
body.lang-zh-hans .group-tag,
body.lang-zh-hans .arc-year,
body.lang-zh-hans .footer-bottom {
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

/* ═════════════════════════════════════════════════════════════
   Contact section · 4-entity address cards
   ═════════════════════════════════════════════════════════════ */
.contact-entities {
  list-style: none;
  padding: 0;
  margin: clamp(28px, 4vh, 44px) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 1.4vw, 22px);
}

.contact-entity {
  padding: 18px 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--rule);
  border-radius: 0;
  transition: none;
}
.contact-entities .contact-entity:nth-last-child(-n+2) {
  border-bottom: 1px solid var(--rule);
}

.ce-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 12px;
}

.ce-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.35;
  color: var(--ink);
  margin: 0 0 8px;
  letter-spacing: -0.005em;
}

.ce-addr {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

@media (max-width: 900px) {
  .contact-entities { grid-template-columns: 1fr; }
}

/* ═════════════════════════════════════════════════════════════
   EN mode global · hide all .zh suffix spans (universal cleanup)
   Catches any inline <span class="zh">…</span> we might use as a
   bilingual subtitle anywhere on the page (e.g. footer copyright,
   group card titles, process phase names, etc.)
   ═════════════════════════════════════════════════════════════ */
body.lang-en .zh,
body.lang-en .phase-zh,
body.lang-en .h3-zh {
  display: none !important;
}

/* studio-floor-intro — replaces the removed 6-up factory-layout collage figure.
   Just a clean kicker + one-line lead sitting above the 4 equipment cards. */
.studio-floor-intro {
  margin: clamp(20px, 3vh, 36px) 0 clamp(16px, 2vh, 28px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.studio-floor-lead {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.45;
  color: var(--text);
  max-width: 60ch;
}

/* ═════════════════════════════════════════════════════════════
   Compat: work detail pages set body.lang-zh-hant (matches main site),
   but older proj-fact CSS rules were written with body.lang-zh only.
   Mirror those rules to lang-zh-hant so detail pages render zh correctly.
   ═════════════════════════════════════════════════════════════ */
body.lang-zh-hant .proj-fact dd > br + .zh-meta,
body.lang-zh-hans .proj-fact dd > br + .zh-meta {
  display: block;
  font-family: var(--font-chinese-display);
  font-size: 15px;
  color: var(--ink);
  margin-top: 0;
}
body.lang-zh-hant .proj-fact dd > br,
body.lang-zh-hans .proj-fact dd > br {
  display: none;
}
body.lang-zh-hant .proj-fact dd,
body.lang-zh-hans .proj-fact dd { font-size: 0; }
body.lang-zh-hant .proj-fact dd .zh-meta,
body.lang-zh-hans .proj-fact dd .zh-meta { font-size: 15px; }
body.lang-zh-hant .proj-fact dd:not(:has(.zh-meta)),
body.lang-zh-hans .proj-fact dd:not(:has(.zh-meta)) { font-size: 15px; }

/* ═════════════════════════════════════════════════════════════
   繁/简模式 · 额外抑制 italic (中文不该有斜体)
   ═════════════════════════════════════════════════════════════ */
body.lang-zh-hant .contact-key,
body.lang-zh-hans .contact-key,
body.lang-zh .contact-key {
  font-style: normal;
  font-weight: 500;
}
body.lang-zh-hant .phase-name,
body.lang-zh-hans .phase-name,
body.lang-zh .phase-name {
  font-style: normal;
  font-weight: 500;
  color: var(--bronze-1);
}
/* groupMottoEn 在繁/简模式应隐藏 (避免 motto 中英两条重复) */
body.lang-zh-hant .group-motto > span,
body.lang-zh-hans .group-motto > span,
body.lang-zh .group-motto > span {
  display: none;
}

/* ═════════════════════════════════════════════════════════════
   Editorial layout rev (visual-designer pass) — 5 sections
   ═════════════════════════════════════════════════════════════ */

/* ── HERO: 100svh full screen, veil bottom-only ──────────────── */
.hero {
  height: 100svh;
  min-height: 700px !important;
  max-height: 1200px !important;
  padding: clamp(80px, 10vh, 120px) var(--gutter) clamp(60px, 8vh, 100px) !important;
}
.hero-media .hero-img {
  object-position: center 20%;
  filter: contrast(1.10) saturate(0.72) brightness(0.90);
}
.hero-veil {
  background:
    linear-gradient(180deg,
      rgba(246, 241, 227, 0.04) 0%,
      rgba(246, 241, 227, 0.08) 40%,
      rgba(246, 241, 227, 0.60) 72%,
      rgba(246, 241, 227, 0.96) 100%),
    linear-gradient(90deg,
      rgba(246, 241, 227, 0.72) 0%,
      rgba(246, 241, 227, 0.10) 55%);
}

/* ── CAPABILITIES: 5 equal cards, one single photo per module ── */
.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 2.4vw, 36px);
  margin-top: clamp(32px, 4vh, 56px);
}
@media (min-width: 700px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .products-grid { grid-template-columns: repeat(5, 1fr) !important; }
}
/* (removed compound layout — single img per module) */
/* (removed compound layout — single img per module) */
/* (removed compound layout — single img per module) */
.product-img {
  position: relative;
  overflow: hidden;
  background: transparent;
  aspect-ratio: 4 / 5;
  border-radius: 0;
}
.product-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.15) contrast(1.04);
  transition: transform 700ms var(--easing), filter 600ms var(--easing);
}
.product-card:hover .product-img img {
  transform: scale(1.04);
  filter: grayscale(0) contrast(1.06);
}
/* removed */
@media (min-width: 1200px) {
  /* removed */
}
/* removed */
/* removed */
/* removed */
@media (min-width: 1400px) {
  /* removed */
}
@media (max-width: 899px) {
  /* removed */
  /* removed */
}
@media (max-width: 600px) {
  /* removed */
  /* removed */
}

/* ── SELECTED WORK: portrait variant for 002/004 ───────────────── */
/* removed portrait variant */
@media (min-width: 900px) {
  /* removed portrait variant */
  .work-spread:not(/* removed portrait variant */
}
.work-img img {
  filter: grayscale(0.12) contrast(1.05);
  transition: transform 1400ms var(--easing), filter 600ms var(--easing);
}
.work-spread:hover .work-img img {
  transform: scale(1.04);
  filter: grayscale(0) contrast(1.06);
}

/* ── STUDIO EQUIPMENT: 2 large + 2 small asymmetric ───────────── */
.studio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 2.5vw, 36px);
}
@media (min-width: 700px) {
  .studio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
  .studio-grid { grid-template-columns: repeat(4, 1fr); }
}
/* removed */
/* removed */
.equip:not(/* removed */
.equip-img {
  overflow: hidden;
  background: transparent;
  position: relative;
}
.equip-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.82) contrast(1.08);
  transition: transform 1200ms var(--easing), filter 600ms var(--easing);
}
.equip:hover .equip-img img {
  transform: scale(1.03);
  filter: brightness(1) contrast(1.04);
}
@media (max-width: 899px) {
  /* removed */
  /* removed */
}

/* ── CONTACT BANNER: full-width closing facade shot ─────────── */
.contact {
  padding-top: 0 !important;
  overflow: hidden;
}
.contact-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 5 / 2;
  overflow: hidden;
  max-height: 520px;
}
.contact-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(0.80) contrast(1.08) saturate(0.75);
}
.contact-banner-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    transparent 40%,
    rgba(246, 241, 227, 0.70) 75%,
    var(--paper) 100%
  );
}
.contact-inner {
  padding: clamp(48px, 7vh, 80px) var(--gutter) clamp(60px, 8vh, 100px);
}

/* ═════════════════════════════════════════════════════════════
   Selected Work · 2×2 mosaic of 4 real photos per project
   (replaces the single big collage img that read as "拼图")
   ═════════════════════════════════════════════════════════════ */
/* removed mosaic */
/* removed mosaic */
.work-spread:hover /* removed mosaic */
/* Override scale-on-hover from .work-img img (would zoom 4 imgs separately, looks janky) */
/* removed mosaic */

/* Mosaic container takes the parent aspect-ratio set on .work-img */
.work-img:has(/* removed mosaic */

/* ═════════════════════════════════════════════════════════════
   Luxury small-image philosophy (Hermès / Bottega Veneta style)
   不放大, 不 cover, 让原图按自己的尺寸小小呈现, 周围大留白
   ═════════════════════════════════════════════════════════════ */

/* Capabilities 5 cards — 图按原比例小图显示, 不撑容器 */
.product-img {
  aspect-ratio: unset !important;
  background: transparent !important;
  text-align: center;
  padding: 24px 16px !important;
  min-height: unset !important;
  overflow: visible !important;
}
.product-img img {
  position: static !important;
  inset: unset !important;
  width: auto !important;
  height: auto !important;
  max-width: 100% !important;
  max-height: 280px !important;  /* 不放大, 小图精致 */
  object-fit: contain !important;
  margin: 0 auto;
  display: block;
}
.product-num {
  position: absolute;
  top: 12px;
  left: 12px;
}

/* Selected Work 5 项 — 图小巧居左, 大量留白 */
.work-img {
  aspect-ratio: unset !important;
  background: transparent !important;
  overflow: visible !important;
  padding: 16px 0 !important;
}
.work-img img {
  width: auto !important;
  height: auto !important;
  max-width: 100%;
  max-height: 480px;  /* 小一些, 不撑高 */
  object-fit: contain !important;
  display: block;
}

/* Studio Equipment 4 卡 — 同样小图 */
.equip-img {
  aspect-ratio: unset !important;
  background: transparent !important;
  overflow: visible !important;
  padding: 12px !important;
}
.equip-img img {
  width: auto !important;
  height: auto !important;
  max-width: 100%;
  max-height: 220px !important;
  object-fit: contain !important;
  margin: 0 auto;
  display: block;
}

/* logistic-map / certificate img 同样小图 */
.logistic-map img,
.cert-doc img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain !important;
  width: auto !important;
  height: auto !important;
}

/* Contact banner 也小一些, 不全宽撑天 */
.contact-banner {
  aspect-ratio: unset !important;
  max-height: 320px !important;
}
.contact-banner img {
  width: auto !important;
  max-width: 100%;
  max-height: 320px;
  margin: 0 auto;
  object-fit: contain !important;
  filter: none !important;  /* 不再 desaturate, 让原图自然 */
}

/* Hero 也不要那么饱满 (但 hero 是 background-img 风格, 这里保留) */

/* ═════════════════════════════════════════════════════════════
   Material Inspiration — horizontal strip of CC0 mood photos
   Small images, generous gaps, clearly labeled as references
   ═════════════════════════════════════════════════════════════ */
.inspiration {
  padding: clamp(40px, 6vh, 80px) var(--gutter);
  background: transparent;
  border-top: 1px solid var(--rule);
}
.inspiration-head {
  margin-bottom: clamp(24px, 3vh, 40px);
  max-width: 60ch;
}
.inspiration-lead {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.35;
  color: var(--text-dim);
  font-style: italic;
  margin-top: 8px;
}
.inspiration-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(10px, 1.2vw, 18px);
}
@media (min-width: 900px) {
  .inspiration-strip { grid-template-columns: repeat(6, 1fr); }
}
.inspiration-strip figure {
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.inspiration-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(0.18);
  transition: filter 600ms var(--easing), transform 800ms var(--easing);
}
.inspiration-strip figure:hover img {
  filter: grayscale(0);
  transform: scale(1.03);
}

/* ═════════════════════════════════════════════════════════════
   Empty image placeholders — user will upload real images.
   Just clean paper-toned spaces, no text, no border, no dashed line.
   ═════════════════════════════════════════════════════════════ */
.img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--paper-3);
  min-height: 220px;
  aspect-ratio: 4 / 3;
  display: block;
}
.product-img .img-placeholder { aspect-ratio: 4 / 5; }
.work-img .img-placeholder { aspect-ratio: 16 / 10; min-height: 280px; }
.equip-img .img-placeholder { aspect-ratio: 4 / 3; min-height: 180px; }

/* Override prior aggressive max-height / object-fit:contain rules — they're
   irrelevant now since there are no <img> elements in cap/work/equip. */
.product-img,
.work-img,
.equip-img {
  background: transparent !important;
  padding: 0 !important;
  aspect-ratio: unset !important;
}
