:root {
  --bg: #fbfbfd;
  --bg-warm: #f5f5f7;
  --paper: #ffffff;
  --paper-dim: #f5f5f7;
  --vermilion: #c1352b;
  --vermilion-glow: #d4453a;
  --gold: #9c7028;
  --gold-dim: #806020;
  --gold-bright: #b88a35;
  --ink: #1d1d1f;
  --ink-soft: #424245;
  --ink-mute: #6e6e73;
  --tile: #ffffff;
  --tile-light: #d2d2d7;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0 }
html { scroll-behavior: smooth }
body {
  font-family: "Spectral", "Noto Serif SC", Georgia, serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  font-size: 18px;
  line-height: 1.6;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden }
main { position: relative; z-index: 1 }
a { color: inherit }
[hidden] { display: none !important }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px;
  padding: 20px 48px;
  background: rgba(251,251,253,.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.06);
}
.logo {
  display: flex; align-items: center; gap: 16px;
  text-decoration: none;
  flex: 0 0 auto;
}
.seal {
  width: 38px; height: 38px;
  background: var(--vermilion);
  display: grid; place-items: center;
  font-family: "Noto Serif SC", serif;
  font-weight: 600; font-size: 22px;
  color: #ffffff;
  transform: rotate(-1.5deg);
  box-shadow: inset 0 0 0 2px var(--vermilion), inset 0 0 0 3.5px rgba(255,255,255,.4), inset 0 0 0 5px var(--vermilion);
  position: relative;
}
.seal::after {
  content: ""; position: absolute; inset: -1px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='80'><filter id='r'><feTurbulence baseFrequency='1.2' numOctaves='2'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.4 0'/></filter><rect width='100%' height='100%' filter='url(%23r)'/></svg>");
  mix-blend-mode: multiply; opacity: .35; pointer-events: none;
}
.logo-text {
  font-size: 13px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-soft); font-weight: 500;
  white-space: nowrap;
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink-mute);
}
.site-nav a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .3s, border-color .3s;
  white-space: nowrap;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--vermilion);
  border-bottom-color: var(--vermilion);
}
.site-nav .nav-contact {
  color: var(--ink-soft);
}

.hero {
  min-height: 92vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 180px 32px 120px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.hero-photo {
  position: absolute; inset: 0; z-index: 0;
  background-image: image-set(
    url("images/01-taihe-rooftop-dawn.webp") type("image/webp"),
    url("images/01-taihe-rooftop-dawn.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/01-taihe-rooftop-dawn.webp") type("image/webp"),
    url("images/01-taihe-rooftop-dawn.jpg") type("image/jpeg")
  );
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
}
.hero-photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(251,251,253,.05) 0%, rgba(251,251,253,.15) 60%, rgba(251,251,253,.45) 100%);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  opacity: .15;
  pointer-events: none;
}
.hero-bg svg { width: 90vmin; height: 90vmin; max-width: 720px; max-height: 720px }
.hero > *:not(.hero-bg):not(.hero-photo):not(.scroll-line) { position: relative; z-index: 2 }
.hero h1 {
  font-weight: 400;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--ink);
  max-width: 18ch;
  margin-bottom: 36px;
  text-shadow: 0 2px 8px rgba(0,0,0,.35), 0 1px 2px rgba(255,255,255,.7);
}
.hero h1 em { font-style: italic; color: var(--vermilion); font-weight: 500 }
.hero-sub {
  font-size: 19px; line-height: 1.75;
  color: var(--ink); max-width: 52ch;
  font-weight: 400;
  overflow-wrap: break-word;
  text-shadow: 0 2px 8px rgba(0,0,0,.3), 0 1px 2px rgba(255,255,255,.7);
}
.hero-sub strong { font-weight: 600; color: var(--ink) }
.hero-eyebrow {
  font-family: "Noto Serif SC", serif;
  font-size: 14px; letter-spacing: .8em; text-indent: .8em;
  color: var(--vermilion); font-weight: 600;
  margin-bottom: 48px;
  text-shadow: 0 2px 6px rgba(0,0,0,.25), 0 1px 2px rgba(255,255,255,.95);
}
.scroll-line {
  position: absolute; bottom: 48px; left: 50%;
  width: 1px; height: 56px;
  background: linear-gradient(to bottom, var(--ink-mute), transparent);
  transform: translateX(-50%);
  opacity: .4;
  z-index: 2;
}

.cta-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.cta-row--start { justify-content: flex-start }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.14);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--ink);
  background: rgba(255,255,255,.76);
  transition: transform .3s, box-shadow .3s, color .3s, border-color .3s, background .3s;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
  border-color: rgba(193,53,43,.45);
  color: var(--vermilion);
}
.btn--primary {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: #ffffff;
}
.btn--primary:hover {
  color: #ffffff;
  background: var(--vermilion-glow);
  border-color: var(--vermilion-glow);
}

.wall-divider {
  height: 1px;
  background: rgba(0,0,0,.08);
  margin: 0 auto;
  max-width: 1100px;
}
.service-divider {
  height: 86px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg);
}
.service-divider--toward-band {
  background: linear-gradient(180deg, var(--bg) 0 50%, var(--bg-warm) 50% 100%);
}
.service-divider--from-band {
  background: linear-gradient(180deg, var(--bg-warm) 0 50%, var(--bg) 50% 100%);
}
.service-divider::before {
  content: "";
  width: min(1100px, calc(100% - 64px));
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,.12) 16%, rgba(0,0,0,.12) 84%, transparent);
}
.service-divider::after {
  content: "道";
  position: absolute;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--vermilion);
  color: #ffffff;
  font-family: "Noto Serif SC", serif;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  transform: rotate(-1.5deg);
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.45), 0 8px 24px rgba(193,53,43,.16);
}

.philosophy {
  padding: 160px 32px;
  text-align: center;
  position: relative;
  background: var(--bg-warm);
  overflow: hidden;
}
.philosophy::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background-image: image-set(
    url("images/02-tiantan-zaojing-ceiling.webp") type("image/webp"),
    url("images/02-tiantan-zaojing-ceiling.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/02-tiantan-zaojing-ceiling.webp") type("image/webp"),
    url("images/02-tiantan-zaojing-ceiling.jpg") type("image/jpeg")
  );
  background-size: cover;
  background-position: center;
  opacity: .85;
}
.philosophy::after {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse at center, rgba(251,251,253,.15) 0%, rgba(251,251,253,.55) 80%);
}
.philosophy > * { position: relative; z-index: 1 }
.philosophy .cn-quote {
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  font-size: clamp(28px, 4.5vw, 52px);
  color: var(--ink);
  letter-spacing: .5em; text-indent: .5em;
  margin-bottom: 32px;
  line-height: 1.5;
  text-shadow: 0 1px 2px rgba(255,255,255,.95), 0 2px 16px rgba(255,255,255,.85);
}
.philosophy .en-quote {
  font-style: italic; font-weight: 400;
  font-size: 19px; line-height: 1.7;
  color: var(--ink);
  max-width: 36ch; margin: 0 auto;
  text-shadow: 0 1px 2px rgba(255,255,255,.95), 0 1px 10px rgba(255,255,255,.8);
}

.products,
.section {
  padding: 140px 32px 160px;
  max-width: 1100px;
  margin: 0 auto;
}
.section--wide { max-width: 1180px }
.section--compact { padding-top: 100px; padding-bottom: 110px }
.section-band {
  padding: 140px 32px;
  background: var(--bg-warm);
}
.section-band > .section-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.section-band--method {
  position: relative;
  overflow: hidden;
}
.section-band--method::before {
  content: "";
  position: absolute;
  top: 76px;
  right: max(30px, calc((100vw - 1100px) / 2));
  z-index: 0;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background-image: image-set(
    url("images/05-zaojing-detail-macro.webp") type("image/webp"),
    url("images/05-zaojing-detail-macro.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/05-zaojing-detail-macro.webp") type("image/webp"),
    url("images/05-zaojing-detail-macro.jpg") type("image/jpeg")
  );
  background-size: cover;
  background-position: center;
  opacity: .22;
  filter: saturate(.95);
  box-shadow: 0 18px 52px rgba(0,0,0,.12), inset 0 0 0 1px rgba(255,255,255,.38);
}
.section-band--method > .section-inner {
  position: relative;
  z-index: 1;
}
.products-header,
.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.products-header .label,
.section-header .label,
.page-eyebrow,
.card-kicker {
  font-size: 13px; letter-spacing: .3em; text-transform: uppercase;
  color: var(--vermilion); margin-bottom: 18px; font-weight: 500;
}
.products-header h2,
.section-header h2 {
  font-weight: 400; font-size: clamp(32px, 4vw, 48px);
  color: var(--ink); line-height: 1.2;
  letter-spacing: -.015em;
}
.section-header p {
  max-width: 58ch;
  margin: 24px auto 0;
  color: var(--ink-soft);
  font-size: 18px;
}
.product-grid,
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  background: transparent;
  border: none;
}
.product-item,
.info-card,
.pricing-card,
.article-card,
.faq-item {
  background: var(--paper);
  border: 1px solid var(--tile-light);
  border-radius: 18px;
  overflow: hidden;
  transition: box-shadow .3s, transform .3s;
}
.product-item:hover,
.info-card:hover,
.pricing-card:hover,
.article-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,.08);
  transform: translateY(-2px);
}
.product-photo {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
  filter: saturate(.95);
}
.product-photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.06) 100%);
}
.product-photo--bazi {
  background-image: image-set(
    url("images/04-red-wall-glazed-tile.webp") type("image/webp"),
    url("images/04-red-wall-glazed-tile.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/04-red-wall-glazed-tile.webp") type("image/webp"),
    url("images/04-red-wall-glazed-tile.jpg") type("image/jpeg")
  );
}
.product-photo--qimen {
  background-image: image-set(
    url("images/08-eaves-tile-detail.webp") type("image/webp"),
    url("images/08-eaves-tile-detail.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/08-eaves-tile-detail.webp") type("image/webp"),
    url("images/08-eaves-tile-detail.jpg") type("image/jpeg")
  );
}
.product-photo--fengshui {
  background-image: image-set(
    url("images/06-tiantan-baishi-morning.webp") type("image/webp"),
    url("images/06-tiantan-baishi-morning.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/06-tiantan-baishi-morning.webp") type("image/webp"),
    url("images/06-tiantan-baishi-morning.jpg") type("image/jpeg")
  );
}
.product-content {
  padding: 48px 44px;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 44px;
  align-items: start;
}
.product-icon {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.product-icon svg { width: 72px; height: 72px; opacity: .9 }
.product-icon .ch {
  font-family: "Noto Serif SC", serif;
  font-weight: 500; font-size: 22px;
  color: var(--ink-soft); letter-spacing: .1em;
}
.product-body h3 {
  font-weight: 500; font-size: 14px;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--vermilion); margin-bottom: 14px;
}
.product-body p {
  font-size: 18px; line-height: 1.85;
  color: var(--ink-soft); font-weight: 400;
  max-width: 52ch;
  margin-top: 4px;
}
.product-body p em { font-style: italic; color: var(--ink) }
.product-body .offering {
  margin-top: 22px;
  font-size: 13px; letter-spacing: .06em;
  color: var(--ink-mute);
  border-left: 2px solid var(--vermilion);
  padding-left: 14px;
  font-weight: 400;
}

.calibration {
  padding: 130px 32px;
  background: var(--bg-warm);
}
.calibration-panel,
.feature-panel {
  max-width: 1100px;
  margin: 0 auto;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 22px;
  padding: 72px;
  box-shadow: 0 20px 70px rgba(0,0,0,.06);
}
.calibration-panel {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
}
.calibration-copy h2,
.feature-panel h2 {
  font-weight: 400;
  font-size: clamp(38px, 5.5vw, 64px);
  line-height: 1.2;
  letter-spacing: -.015em;
  margin-bottom: 32px;
}
.calibration-copy p,
.feature-panel p {
  color: var(--ink-soft);
  max-width: 58ch;
  line-height: 1.8;
  margin-top: 8px;
}
.method-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.method-strip span {
  min-height: 76px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(156,112,40,.28);
  border-radius: 14px;
  background: rgba(251,251,253,.74);
  color: var(--ink-soft);
  font-size: 14px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.zaojing-divider {
  padding: 80px 32px 100px;
  display: flex; justify-content: center;
  background: var(--bg);
}
.zaojing-divider .zaojing-photo {
  width: 320px; height: 320px;
  border-radius: 50%;
  background-image: image-set(
    url("images/05-zaojing-detail-macro.webp") type("image/webp"),
    url("images/05-zaojing-detail-macro.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/05-zaojing-detail-macro.webp") type("image/webp"),
    url("images/05-zaojing-detail-macro.jpg") type("image/jpeg")
  );
  background-size: cover;
  background-position: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.12), inset 0 0 0 1px rgba(0,0,0,.06);
}

.closing {
  padding: 170px 32px;
  text-align: center;
  position: relative;
  background: var(--bg-warm);
  overflow: hidden;
}
.closing::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background-image: image-set(
    url("images/07-palace-lantern-night.webp") type("image/webp"),
    url("images/07-palace-lantern-night.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/07-palace-lantern-night.webp") type("image/webp"),
    url("images/07-palace-lantern-night.jpg") type("image/jpeg")
  );
  background-size: cover;
  background-position: center;
  opacity: .8;
}
.closing::after {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse at center, rgba(251,251,253,.2) 0%, rgba(251,251,253,.64) 80%);
}
.closing > * { position: relative; z-index: 1 }
.closing .quiet {
  font-weight: 400; font-style: italic;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.4;
  color: var(--ink);
  max-width: 24ch; margin: 0 auto 28px;
  text-shadow: 0 1px 2px rgba(255,255,255,.95), 0 2px 16px rgba(255,255,255,.85);
}
.closing-copy {
  color: var(--ink-soft);
  max-width: 48ch;
  margin: 0 auto;
  line-height: 1.85;
  text-shadow: 0 1px 2px rgba(255,255,255,.9);
}

.page-hero {
  min-height: 72vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 180px 32px 96px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background-size: cover;
  background-position: center;
  opacity: .84;
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 25% 50%, rgba(251,251,253,.96) 0%, rgba(251,251,253,.82) 34%, rgba(251,251,253,.34) 62%, rgba(251,251,253,0) 82%),
    linear-gradient(90deg, rgba(251,251,253,.72) 0%, rgba(251,251,253,.36) 48%, rgba(251,251,253,.08) 100%),
    linear-gradient(180deg, rgba(251,251,253,.06) 0%, rgba(251,251,253,.22) 100%);
}
.page-hero--about::before {
  background-image: image-set(
    url("images/03-jiaolou-dusk.webp") type("image/webp"),
    url("images/03-jiaolou-dusk.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/03-jiaolou-dusk.webp") type("image/webp"),
    url("images/03-jiaolou-dusk.jpg") type("image/jpeg")
  );
}
.page-hero--services::before {
  background-image: image-set(
    url("images/06-tiantan-baishi-morning.webp") type("image/webp"),
    url("images/06-tiantan-baishi-morning.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/06-tiantan-baishi-morning.webp") type("image/webp"),
    url("images/06-tiantan-baishi-morning.jpg") type("image/jpeg")
  );
}
.page-hero--faq::before {
  background-image: image-set(
    url("images/04-red-wall-glazed-tile.webp") type("image/webp"),
    url("images/04-red-wall-glazed-tile.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/04-red-wall-glazed-tile.webp") type("image/webp"),
    url("images/04-red-wall-glazed-tile.jpg") type("image/jpeg")
  );
}
.page-hero--faq {
  min-height: 58vh;
}
.page-hero--blog::before {
  background-image: image-set(
    url("images/08-eaves-tile-detail.webp") type("image/webp"),
    url("images/08-eaves-tile-detail.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/08-eaves-tile-detail.webp") type("image/webp"),
    url("images/08-eaves-tile-detail.jpg") type("image/jpeg")
  );
}
.page-hero--self-test {
  min-height: 66vh;
}
.page-hero--self-test::before {
  background-image: image-set(
    url("images/02-tiantan-zaojing-ceiling.webp") type("image/webp"),
    url("images/02-tiantan-zaojing-ceiling.jpg") type("image/jpeg")
  );
  background-image: -webkit-image-set(
    url("images/02-tiantan-zaojing-ceiling.webp") type("image/webp"),
    url("images/02-tiantan-zaojing-ceiling.jpg") type("image/jpeg")
  );
  background-position: center;
}
.page-hero--self-test::after {
  background:
    radial-gradient(ellipse at 28% 50%, rgba(251,251,253,.97) 0%, rgba(251,251,253,.84) 34%, rgba(251,251,253,.38) 62%, rgba(251,251,253,.06) 82%),
    linear-gradient(90deg, rgba(251,251,253,.72) 0%, rgba(251,251,253,.38) 52%, rgba(251,251,253,.08) 100%);
}
.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.page-hero .hero-eyebrow {
  margin-bottom: 24px;
  text-indent: 0;
  letter-spacing: .62em;
}
.page-hero h1 {
  font-weight: 400;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.08;
  letter-spacing: -.015em;
  margin-bottom: 28px;
  text-shadow: 0 1px 2px rgba(255,255,255,.78);
}
.page-hero p {
  color: var(--ink-soft);
  font-size: 20px;
  line-height: 1.65;
  max-width: 54ch;
  text-shadow: 0 1px 2px rgba(255,255,255,.78);
}

.split {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 64px;
  align-items: start;
}
.split h2 {
  font-weight: 400;
  font-size: clamp(30px, 3.5vw, 44px);
  line-height: 1.2;
  letter-spacing: -.015em;
}
.split-copy p + p { margin-top: 18px }
.split-copy p { color: var(--ink-soft) }

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.method-card,
.info-card,
.pricing-card,
.article-card,
.faq-item {
  padding: 34px;
}
.method-number {
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--gold);
  margin-bottom: 18px;
}
.method-card h3,
.info-card h3,
.pricing-card h3,
.article-card h2,
.faq-item h2 {
  font-weight: 500;
  font-size: 22px;
  line-height: 1.25;
  margin-bottom: 14px;
}
.method-card p,
.info-card p,
.pricing-card p,
.article-card p,
.faq-item p {
  color: var(--ink-soft);
}
.two-column {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.list-clean {
  list-style: none;
  display: grid;
  gap: 14px;
}
.list-clean li {
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
}
.list-clean li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--vermilion);
}
.quiet-note {
  color: var(--ink-mute);
  font-size: 15px;
  margin-top: 18px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.pricing-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.pricing-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}
.price {
  font-size: 32px;
  color: var(--vermilion);
  line-height: 1.1;
  margin: 8px 0 6px;
}
.price span {
  display: block;
  color: var(--ink-mute);
  font-size: 14px;
  letter-spacing: .05em;
  margin-top: 6px;
}
.pricing-card dl {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}
.pricing-card dt {
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}
.pricing-card dd {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.55;
}
.pricing-card .btn {
  margin-top: auto;
  align-self: flex-start;
}
.feature-panel {
  padding: 58px;
}

.faq-list {
  display: grid;
  gap: 18px;
}
.faq-item h2 {
  color: var(--ink);
}

.article-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.article-card {
  display: block;
  text-decoration: none;
  min-height: 100%;
}
.article-card:hover {
  box-shadow: 0 16px 46px rgba(0,0,0,.09);
  transform: translateY(-3px);
}
.article-meta {
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}
.article-card h2 {
  font-size: 25px;
  margin-bottom: 16px;
}
.article-card p + p { margin-top: 10px }

.language-switch {
  position: fixed;
  top: 88px;
  right: 28px;
  z-index: 101;
  display: grid;
  padding: 4px;
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 999px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 12px 34px rgba(0,0,0,.08);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
}
.language-switch::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--vermilion);
  border-bottom: 1px solid var(--vermilion);
  transform: translateY(-65%) rotate(45deg);
  pointer-events: none;
}
.language-switch:focus-within {
  border-color: rgba(193,53,43,.45);
  box-shadow: 0 12px 34px rgba(0,0,0,.08), 0 0 0 3px rgba(193,53,43,.08);
}
.language-select {
  width: 100%;
  max-width: 172px;
  min-height: 32px;
  padding: 0 30px 0 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font: inherit;
  font-size: 13px;
  letter-spacing: .08em;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}
.language-select:focus {
  outline: none;
}
.language-select option {
  color: var(--ink);
  background: #ffffff;
}

.self-test-page .page-hero-content {
  max-width: 820px;
}
.self-test-page .page-hero h1 {
  max-width: 16ch;
}
.self-test-section {
  padding-top: 112px;
  max-width: none;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.self-test-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-radial-gradient(circle at 50% 4%, rgba(156,112,40,.028) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(135deg, rgba(156,112,40,.018) 0 1px, transparent 1px 22px);
}
.self-test-section::after {
  content: "";
  display: block;
  width: min(780px, calc(100% - 64px));
  height: 1px;
  margin: 74px auto 0;
  background: linear-gradient(90deg, transparent, rgba(156,112,40,.28), rgba(193,53,43,.22), rgba(156,112,40,.28), transparent);
}
.self-test-wrap {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.self-test-intro {
  margin-bottom: 38px;
}
.self-test-saved {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto 18px;
  padding: 14px 18px;
  border: 1px solid rgba(156,112,40,.24);
  border-radius: 16px;
  background: rgba(255,255,255,.72);
  color: var(--ink-soft);
  font-size: 15px;
}
.text-button {
  border: 0;
  background: transparent;
  color: var(--vermilion);
  font: inherit;
  font-size: 14px;
  letter-spacing: .06em;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.quiz-card,
.result-card {
  background:
    radial-gradient(circle at 50% -12%, rgba(156,112,40,.03), transparent 48%),
    repeating-linear-gradient(135deg, rgba(156,112,40,.022) 0 1px, transparent 1px 18px),
    var(--paper);
  border: 1px solid rgba(156,112,40,.15);
  border-radius: 22px;
  box-shadow: 0 22px 70px rgba(29,29,31,.07);
}
.quiz-card {
  padding: 42px;
}
.self-test-section .btn {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: #ffffff;
}
.self-test-section .btn:hover {
  background: var(--vermilion-glow);
  border-color: var(--vermilion-glow);
  color: #ffffff;
}
.quiz-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--ink-mute);
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.quiz-progress {
  height: 8px;
  margin: 18px 0 36px;
  border-radius: 999px;
  background: rgba(156,112,40,.1);
  overflow: hidden;
}
.quiz-progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--vermilion);
  transition: width .35s cubic-bezier(.22,.6,.36,1);
}
.question-panel {
  touch-action: pan-y;
}
.question-panel::before {
  content: "道";
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  background: var(--vermilion);
  color: #ffffff;
  font-family: "Noto Serif SC", serif;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  transform: rotate(-1.5deg);
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.45), 0 8px 22px rgba(193,53,43,.14);
}
.question-kicker {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.question-panel h3 {
  font-weight: 400;
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.35;
  letter-spacing: -.01em;
  max-width: 24ch;
}
.question-panel p {
  color: var(--ink-soft);
  margin-top: 16px;
  max-width: 58ch;
  line-height: 1.7;
}
.option-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 34px;
}
@media (max-width: 680px) {
  .option-grid {
    grid-template-columns: 1fr;
  }
}
.option-button {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  width: 100%;
  min-height: 116px;
  padding: 18px;
  border: 1px solid rgba(0,0,0,.12);
  border-left: 4px solid rgba(156,112,40,.18);
  border-radius: 16px;
  background: rgba(245,245,247,.72);
  color: var(--ink-soft);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: transform .25s, border-color .25s, background .25s, box-shadow .25s;
}
.option-button:hover {
  transform: translateY(-1px);
  border-color: rgba(156,112,40,.32);
  border-left-color: rgba(156,112,40,.46);
  background: #ffffff;
  box-shadow: 0 12px 30px rgba(156,112,40,.1);
}
.option-button.is-selected {
  border-color: rgba(193,53,43,.32);
  border-left-color: var(--vermilion);
  background: rgba(255,255,255,.98);
  box-shadow: 0 14px 34px rgba(156,112,40,.1);
}
.option-button span {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(156,112,40,.45);
  background: rgba(255,255,255,.78);
  color: var(--gold-dim);
  font-size: 13px;
  letter-spacing: .05em;
}
.option-button.is-selected span {
  border-color: var(--gold);
  background: var(--gold);
  color: #ffffff;
}
.option-button strong {
  align-self: center;
  font-weight: 400;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.quiz-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}
.btn:disabled {
  opacity: .42;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.self-test-section .btn:disabled,
.self-test-section .btn:disabled:hover {
  background: var(--ink-mute);
  border-color: var(--ink-mute);
  color: #ffffff;
  opacity: .5;
}
.quiz-note {
  margin-top: 20px;
  color: var(--ink-mute);
  font-size: 13px;
  line-height: 1.45;
}
.result-shell {
  padding-top: 18px;
}
.result-card {
  position: relative;
  padding: 54px;
  overflow: hidden;
  border-top: 3px solid var(--gold);
  background:
    radial-gradient(circle at 50% -12%, rgba(156,112,40,.035), transparent 46%),
    repeating-linear-gradient(135deg, rgba(156,112,40,.022) 0 1px, transparent 1px 18px),
    var(--bg-warm);
}
.result-card::before {
  content: "";
  position: absolute;
  right: 26px;
  top: 24px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  border: 1px solid rgba(156,112,40,.2);
  background: rgba(156,112,40,.06);
}
.result-card > * {
  position: relative;
  z-index: 1;
}
.result-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  background: var(--vermilion);
  color: #ffffff;
  font-family: "Noto Serif SC", serif;
  font-size: 28px;
  font-weight: 600;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.42), 0 14px 34px rgba(193,53,43,.18);
}
.result-card h2 {
  font-weight: 400;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: -.015em;
  max-width: 15ch;
  color: var(--vermilion);
}
.type-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 28px;
}
.type-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(156,112,40,.1);
  color: var(--gold-dim);
  font-size: 14px;
}
.result-copy {
  display: grid;
  gap: 12px;
  max-width: 64ch;
  color: var(--ink-soft);
}
.next-step-panel {
  margin-top: 30px;
  padding: 22px;
  border-left: 3px solid var(--vermilion);
  background: var(--paper-dim);
}
.next-step-panel h3 {
  font-weight: 500;
  font-size: 16px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--vermilion);
  margin-bottom: 8px;
}
.next-step-panel p {
  color: var(--ink-soft);
}
.result-cta {
  justify-content: flex-start;
}
.result-reset {
  margin-top: 22px;
}

footer {
  padding: 40px 48px;
  border-top: 1px solid rgba(0,0,0,.08);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  font-size: 12px; letter-spacing: .06em; color: var(--ink-mute);
  background: var(--bg);
}
footer .seal-sm {
  width: 16px; height: 16px; background: var(--vermilion);
  display: inline-grid; place-items: center;
  font-family: "Noto Serif SC", serif; font-size: 9px;
  color: #ffffff; transform: rotate(-1.5deg);
  margin-right: 10px; vertical-align: middle;
}
.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.footer-links a {
  text-decoration: none;
  color: var(--ink-mute);
}
.footer-links a:hover { color: var(--vermilion) }

@media (max-width: 980px) {
  .site-header {
    padding: 16px 24px;
    align-items: flex-start;
  }
  .site-nav {
    gap: 14px;
    flex-wrap: wrap;
    max-width: 520px;
  }
  .calibration-panel,
  .split,
  .two-column {
    grid-template-columns: 1fr;
  }
  .method-grid,
  .pricing-grid,
  .article-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .language-switch {
    top: 96px;
    right: 24px;
  }
  .option-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  body { font-size: 17px }
  .site-header {
    position: sticky;
    top: 0;
    padding: 14px 20px;
    flex-direction: column;
    gap: 12px;
  }
  .seal { width: 34px; height: 34px; font-size: 19px }
  .logo-text { font-size: 11px }
  .site-nav {
    justify-content: flex-start;
    width: 100%;
    gap: 10px 16px;
    font-size: 12px;
  }
  .hero { padding: 118px 24px 96px; min-height: 84vh }
  .hero-sub { font-size: 17px }
  .hero-eyebrow { letter-spacing: .5em; text-indent: .5em }
  .cta-row { margin-top: 28px }
  .btn { width: 100%; max-width: 320px }
  .philosophy { padding: 100px 24px }
  .philosophy .cn-quote { font-size: 24px; letter-spacing: .3em; text-indent: .3em }
  .products,
  .section,
  .section-band {
    padding: 82px 20px 104px;
  }
  .products-header,
  .section-header { margin-bottom: 48px }
  .product-photo { height: 180px }
  .product-content { grid-template-columns: 1fr; gap: 24px; padding: 32px 28px }
  .product-icon { flex-direction: row; gap: 16px }
  .product-icon svg { width: 48px; height: 48px }
  .product-body p { font-size: 17px }
  .calibration { padding: 82px 20px }
  .calibration-panel,
  .feature-panel {
    padding: 34px 26px;
    border-radius: 18px;
  }
  .method-strip,
  .method-grid,
  .pricing-grid,
  .article-list {
    grid-template-columns: 1fr;
  }
  .method-strip span { min-height: 56px }
  .zaojing-divider { padding: 60px 24px 80px }
  .zaojing-divider .zaojing-photo { width: 220px; height: 220px }
  .service-divider { height: 64px }
  .service-divider::before { width: calc(100% - 48px) }
  .service-divider::after { width: 24px; height: 24px; font-size: 12px }
  .closing { padding: 112px 24px }
  .page-hero {
    min-height: auto;
    padding: 92px 24px 74px;
  }
  .page-hero-content {
    width: 100%;
    max-width: 342px;
  }
  .page-hero::after {
    background:
      radial-gradient(ellipse at 50% 46%, rgba(251,251,253,.94) 0%, rgba(251,251,253,.78) 54%, rgba(251,251,253,.46) 100%),
      linear-gradient(180deg, rgba(251,251,253,.7) 0%, rgba(251,251,253,.46) 100%);
  }
  .page-hero .hero-eyebrow { letter-spacing: .46em }
  .page-hero h1 {
    max-width: 10.5ch;
    font-size: 38px;
    line-height: 1.12;
    overflow-wrap: break-word;
  }
  .page-hero p { font-size: 18px }
  .page-hero p,
  .feature-panel h2 {
    overflow-wrap: break-word;
  }
  .page-hero--self-test {
    min-height: auto;
  }
  .self-test-page .page-hero h1 {
    max-width: 12ch;
  }
  .language-switch {
    top: 126px;
    right: 20px;
    padding: 3px;
  }
  .language-select {
    max-width: 154px;
    min-height: 30px;
    font-size: 12px;
  }
  .self-test-section {
    padding-top: 76px;
  }
  .self-test-saved {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    border-radius: 14px;
  }
  .quiz-card,
  .result-card {
    border-radius: 18px;
  }
  .quiz-card {
    padding: 28px 22px;
  }
  .quiz-progress-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
  .question-panel h3 {
    max-width: 100%;
    font-size: 28px;
  }
  .option-button {
    min-height: auto;
    padding: 16px;
    border-radius: 14px;
  }
  .quiz-actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }
  .quiz-actions .btn {
    max-width: none;
  }
  .result-card {
    padding: 34px 24px;
  }
  .result-card h2 {
    max-width: 100%;
  }
  .next-step-panel {
    padding: 18px;
  }
  .section-band--method::before {
    top: 42px;
    right: -42px;
    width: 150px;
    height: 150px;
    opacity: .18;
  }
  .method-card,
  .info-card,
  .pricing-card,
  .article-card,
  .faq-item { padding: 28px 24px }
  .price { font-size: 28px }
  footer {
    padding: 32px 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .footer-links { justify-content: flex-start }
}

@media (prefers-reduced-motion: no-preference) {
  .hero h1, .hero-eyebrow, .hero-sub, .hero .cta-row,
  .page-hero h1, .page-eyebrow, .page-hero p {
    animation: rise 1s cubic-bezier(.22,.6,.36,1) both;
  }
  .hero-eyebrow, .page-eyebrow { animation-delay: .05s }
  .hero h1, .page-hero h1 { animation-delay: .15s }
  .hero-sub, .page-hero p { animation-delay: .3s }
  .hero .cta-row { animation-delay: .42s }
  @keyframes rise { from { opacity: 0; transform: translateY(16px) } to { opacity: 1; transform: none } }
}

/* Global language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  margin-left: 16px;
}
.lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(156,112,40,0.3);
  border-radius: 6px;
  padding: 4px 24px 4px 10px;
  font-size: 13px;
  color: var(--vermilion, #c0392b);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239c7028'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition: border-color 0.2s;
}
.lang-select:hover,
.lang-select:focus {
  border-color: var(--gold, #9c7028);
  outline: none;
}
.lang-select option {
  background: #1a1a1a;
  color: #f0f0f0;
}

/* Remove old standalone language-switch div if present */
.language-switch { display: none !important; }

/* === Language-specific typography === */

/* CJK languages (zh, zh-TW, ja, ko) — wider titles, tighter letter-spacing */
[data-lang="zh"] .hero h1,
[data-lang="zh-TW"] .hero h1,
[data-lang="ja"] .hero h1,
[data-lang="ko"] .hero h1 {
  max-width: 14ch;
  letter-spacing: .02em;
  line-height: 1.3;
}
[data-lang="zh"] .page-hero h1,
[data-lang="zh-TW"] .page-hero h1,
[data-lang="ja"] .page-hero h1,
[data-lang="ko"] .page-hero h1 {
  max-width: 20ch;
  letter-spacing: 0;
  line-height: 1.25;
}
[data-lang="zh"] .hero-sub,
[data-lang="zh-TW"] .hero-sub,
[data-lang="ja"] .hero-sub,
[data-lang="ko"] .hero-sub {
  font-size: 16px;
  line-height: 1.75;
  max-width: 36ch;
}
[data-lang="zh"] .hero-eyebrow,
[data-lang="zh-TW"] .hero-eyebrow,
[data-lang="ja"] .hero-eyebrow,
[data-lang="ko"] .hero-eyebrow {
  letter-spacing: .5em;
  text-indent: .5em;
}
[data-lang="zh"] .question-panel h3,
[data-lang="zh-TW"] .question-panel h3,
[data-lang="ja"] .question-panel h3,
[data-lang="ko"] .question-panel h3 {
  max-width: 20ch;
  line-height: 1.4;
}
[data-lang="zh"] .option-button span,
[data-lang="zh-TW"] .option-button span,
[data-lang="ja"] .option-button span,
[data-lang="ko"] .option-button span {
  font-size: 14px;
  line-height: 1.6;
}
[data-lang="zh"] .option-button strong,
[data-lang="zh-TW"] .option-button strong,
[data-lang="ja"] .option-button strong,
[data-lang="ko"] .option-button strong {
  font-size: 14px;
  line-height: 1.7;
}
[data-lang="zh"] .question-panel p,
[data-lang="zh-TW"] .question-panel p,
[data-lang="ja"] .question-panel p,
[data-lang="ko"] .question-panel p {
  line-height: 1.75;
  font-size: 14px;
  max-width: 36ch;
}

/* European languages (es, fr, de) — longer words need more width */
[data-lang="es"] .hero h1,
[data-lang="fr"] .hero h1,
[data-lang="de"] .hero h1 {
  max-width: 20ch;
  font-size: clamp(36px, 5vw, 64px);
}
[data-lang="es"] .page-hero h1,
[data-lang="fr"] .page-hero h1,
[data-lang="de"] .page-hero h1 {
  max-width: 22ch;
}
[data-lang="de"] .hero-sub,
[data-lang="fr"] .hero-sub,
[data-lang="es"] .hero-sub {
  max-width: 56ch;
}
[data-lang="de"] .option-button span,
[data-lang="fr"] .option-button span,
[data-lang="es"] .option-button span {
  font-size: 14px;
  line-height: 1.55;
}

/* English — default, no overrides needed */

/* === CJK full-site typography refinement === */

/* Product cards — CJK */
[data-lang="zh"] .product-body h3,
[data-lang="zh-TW"] .product-body h3,
[data-lang="ja"] .product-body h3,
[data-lang="ko"] .product-body h3 {
  letter-spacing: .08em;
  text-transform: none;
  font-size: 15px;
  margin-bottom: 18px;
}
[data-lang="zh"] .product-body p,
[data-lang="zh-TW"] .product-body p,
[data-lang="ja"] .product-body p,
[data-lang="ko"] .product-body p {
  line-height: 1.75;
  font-size: 16px;
  max-width: 38ch;
}
[data-lang="zh"] .product-body .offering,
[data-lang="zh-TW"] .product-body .offering,
[data-lang="ja"] .product-body .offering,
[data-lang="ko"] .product-body .offering {
  margin-top: 32px;
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: .04em;
}

/* Calibration section — CJK */
[data-lang="zh"] .calibration-copy h2,
[data-lang="zh-TW"] .calibration-copy h2,
[data-lang="ja"] .calibration-copy h2,
[data-lang="ko"] .calibration-copy h2 {
  font-size: clamp(28px, 4.5vw, 40px);
  line-height: 1.35;
  letter-spacing: 0;
  max-width: none;
  margin-bottom: 24px;
}
[data-lang="zh"] .calibration-copy p,
[data-lang="zh-TW"] .calibration-copy p,
[data-lang="ja"] .calibration-copy p,
[data-lang="ko"] .calibration-copy p {
  line-height: 1.75;
  font-size: 16px;
  max-width: 40ch;
  margin-top: 16px;
}

/* Method strip labels — CJK */
[data-lang="zh"] .method-strip span,
[data-lang="zh-TW"] .method-strip span,
[data-lang="ja"] .method-strip span,
[data-lang="ko"] .method-strip span {
  text-transform: none;
  letter-spacing: .15em;
  font-size: 15px;
}

/* Closing section — CJK */
[data-lang="zh"] .closing .quiet,
[data-lang="zh-TW"] .closing .quiet,
[data-lang="ja"] .closing .quiet,
[data-lang="ko"] .closing .quiet {
  font-style: normal;
  max-width: 16ch;
  line-height: 1.6;
}
[data-lang="zh"] .closing-copy,
[data-lang="zh-TW"] .closing-copy,
[data-lang="ja"] .closing-copy,
[data-lang="ko"] .closing-copy {
  line-height: 1.75;
  font-size: 16px;
  max-width: 38ch;
}

/* Card kicker — CJK */
[data-lang="zh"] .card-kicker,
[data-lang="zh-TW"] .card-kicker,
[data-lang="ja"] .card-kicker,
[data-lang="ko"] .card-kicker {
  letter-spacing: .12em;
  text-transform: none;
  margin-bottom: 28px;
}

/* Page hero (about/faq/blog) — CJK */
[data-lang="zh"] .page-hero p,
[data-lang="zh-TW"] .page-hero p,
[data-lang="ja"] .page-hero p,
[data-lang="ko"] .page-hero p {
  line-height: 2;
  font-size: 16px;
  max-width: 36ch;
}

/* General body text — CJK */
[data-lang="zh"] .section-body p,
[data-lang="zh-TW"] .section-body p,
[data-lang="ja"] .section-body p,
[data-lang="ko"] .section-body p,
[data-lang="zh"] .content p,
[data-lang="zh-TW"] .content p,
[data-lang="ja"] .content p,
[data-lang="ko"] .content p {
  line-height: 2;
}

/* CTA buttons — CJK */
[data-lang="zh"] .btn,
[data-lang="zh-TW"] .btn,
[data-lang="ja"] .btn,
[data-lang="ko"] .btn {
  letter-spacing: .08em;
  font-size: 14px;
}

/* European languages — product cards */
[data-lang="es"] .product-body p,
[data-lang="fr"] .product-body p,
[data-lang="de"] .product-body p {
  max-width: 56ch;
  line-height: 1.8;
}
[data-lang="es"] .calibration-copy p,
[data-lang="fr"] .calibration-copy p,
[data-lang="de"] .calibration-copy p {
  max-width: 60ch;
  line-height: 1.8;
}
[data-lang="es"] .closing-copy,
[data-lang="fr"] .closing-copy,
[data-lang="de"] .closing-copy {
  max-width: 52ch;
}

/* === CJK: products header, philosophy, labels === */

/* Products header h2 */
[data-lang="zh"] .products-header h2,
[data-lang="zh-TW"] .products-header h2,
[data-lang="ja"] .products-header h2,
[data-lang="ko"] .products-header h2 {
  font-size: clamp(24px, 3vw, 34px);
  max-width: none;
  margin: 0 auto;
  line-height: 1.45;
  letter-spacing: 0;
}

/* Products/section labels */
[data-lang="zh"] .products-header .label,
[data-lang="zh-TW"] .products-header .label,
[data-lang="ja"] .products-header .label,
[data-lang="ko"] .products-header .label,
[data-lang="zh"] .section-header .label,
[data-lang="zh-TW"] .section-header .label,
[data-lang="ja"] .section-header .label,
[data-lang="ko"] .section-header .label {
  text-transform: none;
  letter-spacing: .2em;
  margin-bottom: 24px;
}

/* Philosophy en-quote (used for zh translation) */
[data-lang="zh"] .en-quote,
[data-lang="zh-TW"] .en-quote,
[data-lang="ja"] .en-quote,
[data-lang="ko"] .en-quote {
  line-height: 1.8;
  font-size: 18px;
  max-width: 20ch;
}

/* Closing quiet — wider for Chinese */
[data-lang="zh"] .closing .quiet,
[data-lang="zh-TW"] .closing .quiet,
[data-lang="ja"] .closing .quiet,
[data-lang="ko"] .closing .quiet {
  max-width: 20ch;
}