:root {
  --fire:  #B33A3A;
  --earth: #8B5A3C;
  --metal: #B89968;
  --water: #5A6F73;
  --wood:  #6B7F5C;
}

/* ============ Navigation ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 26px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(245, 237, 224, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  transition: padding 0.4s ease, background 0.4s ease;
  opacity: 0;
  animation: fadeIn 1.2s 0.2s forwards ease-out;
}
.nav.scrolled {
  padding: 16px 60px;
  background: rgba(245, 237, 224, 0.92);
  border-bottom: 0.5px solid rgba(139, 90, 60, 0.15);
}
.nav-menu {
  display: flex;
  gap: 40px;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.nav-menu a {
  color: var(--ink);
  opacity: 0.65;
  transition: opacity 0.3s, color 0.3s;
  padding: 4px 0;
  text-decoration: none;
}
.nav-menu a:hover { opacity: 1; color: var(--terra); }
.nav-item { position: relative; }
.nav-item .nav-main { display: inline-block; padding: 6px 0; }
.nav-item::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  height: 24px;
}
.nav-dropdown {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 180px;
  padding: 14px 0;
  background: rgba(245, 237, 224, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 0.5px solid rgba(139, 90, 60, 0.18);
  box-shadow: 0 16px 40px -16px rgba(62, 39, 35, 0.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 10;
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: 9px 28px;
  font-size: 10.5px;
  letter-spacing: 2.5px;
  color: var(--ink);
  opacity: 0.7;
  text-align: center;
  white-space: nowrap;
  text-transform: uppercase;
}
.nav-dropdown a:hover { opacity: 1; color: var(--terra); }
.nav-actions { display: flex; align-items: center; gap: 28px; }
.ai-btn {
  border: 0.5px solid var(--terra);
  color: var(--terra);
  padding: 11px 24px;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-family: "Cormorant Garamond", serif;
  background: transparent;
  cursor: pointer;
  transition: all 0.4s ease;
  font-weight: 400;
  white-space: nowrap;
}
.ai-btn:hover { background: var(--terra); color: var(--beige); letter-spacing: 4px; }

/* ============ Section common ============ */
.section {
  padding: 120px 80px;
  position: relative;
}
.section-tag {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--terra);
  text-transform: uppercase;
  margin-bottom: 22px;
  text-align: center;
}
.section-tag::before, .section-tag::after {
  content: "—";
  display: inline-block;
  margin: 0 12px;
  opacity: 0.6;
  font-style: normal;
}
.section-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  font-size: 38px;
  letter-spacing: 6px;
  color: var(--terra);
  text-transform: uppercase;
  text-align: center;
  line-height: 1.2;
  margin-bottom: 12px;
}
.section-title-cn {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 12px;
  padding-left: 12px;
  color: var(--ink-soft);
  text-align: center;
  margin-bottom: 60px;
}
body.lang-en .section-title { font-style: italic; text-transform: none; font-size: 36px; letter-spacing: 3px; }
body.lang-en .section-title-cn { display: none !important; }
body.lang-en .section-tag::before, body.lang-en .section-tag::after { content: "·"; }

/* ============ Hero ============ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 60px 100px;
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(196, 164, 124, 0.18), transparent 60%),
    var(--beige);
}
.hero-logo {
  color: var(--terra);
  margin-bottom: 64px;
  opacity: 0;
  animation: fadeUp 1.6s 0.4s forwards cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-logo svg { width: 132px; height: 148px; }
.hero-title-wrap { text-align: center; margin-bottom: 56px; }
.hero-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  font-size: 68px;
  letter-spacing: 14px;
  color: var(--terra);
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 1.6s 0.7s forwards cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-title-cn {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 16px;
  letter-spacing: 28px;
  padding-left: 28px;
  color: var(--ink-soft);
  opacity: 0;
  animation: fadeUp 1.6s 1.0s forwards cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-divider {
  width: 40px; height: 0.5px;
  background: var(--terra);
  margin: 0 auto 36px;
  opacity: 0;
  animation: divider 1.4s 1.3s forwards ease-out;
  transform-origin: center;
}
.hero-tagline {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--ink-soft);
  text-align: center;
  line-height: 2;
  opacity: 0;
  animation: fadeUp 1.6s 1.5s forwards cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-tagline .en {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 16px;
  letter-spacing: 3px;
}
.scroll-hint {
  position: absolute;
  bottom: 48px; left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: var(--ink-faint);
  opacity: 0;
  animation: fadeIn 1.2s 1.8s forwards ease-out;
}
.scroll-hint .label {
  font-family: "Cormorant Garamond", serif;
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
}
.scroll-hint .line-wrap {
  width: 1px; height: 44px;
  margin: 14px auto 0;
  overflow: hidden;
  position: relative;
}
.scroll-hint .line-wrap::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 50%;
  background: var(--terra);
  animation: scrollLine 2.4s ease-in-out infinite;
}
body.lang-en .hero-title { font-size: 60px; letter-spacing: 8px; text-transform: none; font-style: italic; }
body.lang-en .hero-tagline { font-family: "Cormorant Garamond", serif; font-style: italic; font-size: 16px; letter-spacing: 3px; }

/* ============ Story ============ */
.story {
  background: var(--beige-soft);
}
.story-lead {
  max-width: 760px;
  margin: 0 auto 80px;
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 1.5px;
  line-height: 2.4;
  color: var(--ink);
  text-align: center;
}
body.lang-en .story-lead {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-weight: 300;
  font-size: 16px;
  letter-spacing: 0.5px;
}
.name-meaning {
  max-width: 760px;
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: 1fr 0.5px 1fr;
  gap: 60px;
  align-items: start;
}
.name-meaning .divider-v {
  width: 0.5px;
  height: 100%;
  background: var(--terra);
  opacity: 0.3;
}
.name-block { text-align: center; padding: 0 20px; }
.name-block-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 400;
  font-size: 26px;
  letter-spacing: 6px;
  color: var(--terra);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.name-block-cn {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 12.5px;
  letter-spacing: 10px;
  padding-left: 10px;
  color: var(--ink-soft);
  margin-bottom: 22px;
}
.name-block-desc {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 12.5px;
  letter-spacing: 1.5px;
  line-height: 2.2;
  color: var(--ink);
  max-width: 280px;
  margin: 0 auto;
}
body.lang-en .name-block-desc { font-family: "Cormorant Garamond", serif; font-style: italic; font-size: 14px; letter-spacing: 0.5px; }
.story-narrative {
  max-width: 760px;
  margin: 0 auto;
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 1.5px;
  line-height: 2.4;
  color: var(--ink);
  text-align: center;
}
.story-narrative p { margin-bottom: 22px; }
.story-narrative p:last-child { margin-bottom: 0; }
body.lang-en .story-narrative {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0.5px;
}
.narrative-mark {
  display: block;
  width: 24px;
  height: 0.5px;
  background: var(--terra);
  margin: 0 auto 40px;
  opacity: 0.5;
}

/* ============ Five Elements ============ */
.elements {
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(139, 90, 60, 0.06), transparent 70%),
    var(--beige);
}
.elements-intro {
  max-width: 600px;
  margin: 0 auto 70px;
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 1.5px;
  line-height: 2.4;
  color: var(--ink);
  text-align: center;
}
body.lang-en .elements-intro {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0.5px;
}
.elements-symbols {
  max-width: 880px;
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 40px;
}
.symbol-item {
  text-align: center;
  color: var(--terra);
  transition: transform 0.4s ease;
}
.symbol-item:hover { transform: translateY(-4px); }
.symbol-item svg {
  width: 56px; height: 56px;
  margin: 0 auto 20px;
  display: block;
}
.symbol-item .sym-name-en {
  font-family: "Cormorant Garamond", serif;
  font-size: 13px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 4px;
}
.symbol-item .sym-name-cn {
  font-family: "Noto Serif SC", serif;
  font-size: 12px;
  letter-spacing: 6px;
  color: var(--ink-soft);
  padding-left: 6px;
}

/* ============ Blessing ============ */
.blessing {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 64px;
  background: rgba(255, 255, 255, 0.4);
  border: 0.5px solid rgba(139, 90, 60, 0.2);
  text-align: center;
}
.blessing-tag {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--terra);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.blessing-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  font-size: 24px;
  letter-spacing: 5px;
  color: var(--terra);
  text-transform: uppercase;
  margin-bottom: 6px;
}
body.lang-en .blessing-title { font-style: italic; text-transform: none; }
.blessing-title-cn {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 10px;
  padding-left: 10px;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
body.lang-en .blessing-title-cn { display: none; }
.blessing-text {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 1.5px;
  line-height: 2.4;
  color: var(--ink);
}
body.lang-en .blessing-text {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0.5px;
}
.blessing-cert {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 0.5px solid rgba(139, 90, 60, 0.25);
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 11.5px;
  letter-spacing: 2.5px;
  color: var(--terra);
}

/* ============ Collections ============ */
.collections {
  background: var(--beige-soft);
  padding-bottom: 160px;
}
.practice {
  background:
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(196, 164, 124, 0.08), transparent 70%),
    var(--beige);
}
.collections-intro {
  max-width: 720px;
  margin: 0 auto 60px;
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 12.5px;
  letter-spacing: 2px;
  line-height: 2.2;
  color: var(--ink-soft);
  text-align: center;
}
body.lang-en .collections-intro {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.5px;
  margin-top: 32px;
}
.cards {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.card {
  background: var(--beige);
  padding: 56px 28px 44px;
  text-align: center;
  border: 0.5px solid rgba(139, 90, 60, 0.15);
  cursor: pointer;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease, border-color 0.5s ease;
  position: relative;
  overflow: hidden;
  display: block;
  color: inherit;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--card-color, var(--terra));
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 0;
}
.card > * { position: relative; z-index: 1; }
.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px -16px rgba(62, 39, 35, 0.18);
  border-color: var(--card-color, var(--terra));
}
.card-symbol { color: var(--card-color, var(--terra)); margin-bottom: 28px; transition: transform 0.5s ease; }
.card-symbol svg { width: 52px; height: 52px; margin: 0 auto; display: block; }
.card:hover .card-symbol { transform: scale(1.1); }
.card-name-en {
  font-family: "Cormorant Garamond", serif;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--card-color, var(--terra));
  margin-bottom: 6px;
}
.card-name-cn {
  font-family: "Noto Serif SC", serif;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 8px;
  padding-left: 8px;
  color: var(--ink-soft);
  margin-bottom: 24px;
}
body.lang-en .card-name-cn { display: none; }
.card-desc {
  font-family: "Noto Serif SC", serif;
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 2px;
  line-height: 1.8;
  color: var(--ink-soft);
}
body.lang-en .card-desc { font-family: "Cormorant Garamond", serif; font-style: italic; font-size: 13px; letter-spacing: 0.5px; }
.card-link {
  display: block;
  margin-top: 24px;
  font-family: "Cormorant Garamond", serif;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--card-color, var(--terra));
  opacity: 0.7;
  transition: opacity 0.4s ease;
}
.card:hover .card-link { opacity: 1; }

/* ============ Finale ============ */
.finale {
  background: var(--deep);
  color: var(--beige);
  padding: 110px 80px 70px;
}
.finale-services {
  max-width: 1000px;
  margin: 0 auto 90px;
  display: grid;
  grid-template-columns: 1fr 0.5px 1fr;
  gap: 60px;
  align-items: stretch;
}
.finale-services .divider-v {
  width: 0.5px;
  background: rgba(245, 237, 224, 0.2);
}
.service-block { text-align: center; padding: 0 20px; }
.service-tag {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--khaki);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.service-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 300;
  font-size: 24px;
  letter-spacing: 5px;
  color: var(--beige);
  text-transform: uppercase;
  margin-bottom: 6px;
}
body.lang-en .service-title { font-style: italic; text-transform: none; }
.service-title-cn {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 8px;
  padding-left: 8px;
  color: var(--khaki);
  margin-bottom: 26px;
}
body.lang-en .service-title-cn { display: none; }
.service-desc {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 1.5px;
  line-height: 2.4;
  color: rgba(245, 237, 224, 0.85);
  max-width: 380px;
  margin: 0 auto 32px;
}
body.lang-en .service-desc { font-family: "Cormorant Garamond", serif; font-style: italic; font-size: 16px; letter-spacing: 0.5px; }
.service-cta {
  display: inline-block;
  border: 0.5px solid var(--khaki);
  color: var(--khaki);
  padding: 12px 28px;
  font-family: "Cormorant Garamond", serif;
  font-size: 11px;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  transition: all 0.4s ease;
}
.service-cta:hover {
  background: var(--khaki);
  color: var(--deep);
  letter-spacing: 5px;
}

/* ============ Closing ============ */
.closing {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}
.closing-mark {
  width: 30px;
  height: 0.5px;
  background: var(--khaki);
  margin: 0 auto 36px;
  opacity: 0.7;
}
.closing-text {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 1.5px;
  line-height: 2.4;
  color: var(--beige);
}
body.lang-en .closing-text {
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-weight: 300;
  font-size: 16px;
  letter-spacing: 0.5px;
}
.closing-text p { margin-bottom: 0; }

/* ============ Footer ============ */
.footer {
  background: var(--deep-2);
  color: rgba(245, 237, 224, 0.6);
  padding: 70px 80px 40px;
  border-top: 0.5px solid rgba(245, 237, 224, 0.08);
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}
.footer-brand { color: var(--khaki); }
.footer-brand-mark {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
}
.footer-brand-mark svg { width: 26px; height: 30px; color: var(--khaki); }
.footer-brand-name {
  font-family: "Cormorant Garamond", serif;
  font-size: 14px;
  letter-spacing: 4px;
  text-transform: uppercase;
}
.footer-brand-tagline {
  font-family: "Noto Serif SC", serif;
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 2px;
  line-height: 2;
  color: rgba(245, 237, 224, 0.5);
  max-width: 280px;
}
body.lang-en .footer-brand-tagline { font-family: "Cormorant Garamond", serif; font-style: italic; font-size: 14px; letter-spacing: 1px; }
.footer-col h4 {
  font-family: "Cormorant Garamond", serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 3px;
  color: var(--khaki);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li {
  font-family: "Cormorant Garamond", serif;
  font-size: 12px;
  letter-spacing: 2px;
  margin-bottom: 10px;
  color: rgba(245, 237, 224, 0.55);
  transition: color 0.3s;
}
.footer-col ul li a:hover { color: var(--khaki); }
.footer-col ul li.cn { font-family: "Noto Serif SC", serif; font-weight: 300; font-size: 12px; }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 30px;
  border-top: 0.5px solid rgba(245, 237, 224, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "Cormorant Garamond", serif;
  font-size: 11px;
  letter-spacing: 2px;
  color: rgba(245, 237, 224, 0.4);
}
.footer-social {
  display: flex; gap: 18px;
}
.footer-social a {
  width: 28px; height: 28px;
  border: 0.5px solid rgba(245, 237, 224, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s, color 0.3s;
  color: rgba(245, 237, 224, 0.5);
}
.footer-social a:hover { border-color: var(--khaki); color: var(--khaki); }
.footer-social svg { width: 12px; height: 12px; }

/* ============ Back to top ============ */
.to-top {
  position: fixed;
  right: 32px; bottom: 32px;
  width: 44px; height: 44px;
  background: var(--terra);
  color: var(--beige);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 90;
  border: none;
}
.to-top.visible { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); }
.to-top svg { width: 14px; height: 14px; }

/* ============ Scroll line animation ============ */
@keyframes scrollLine {
  0% { transform: translateY(-100%); }
  50% { transform: translateY(100%); }
  100% { transform: translateY(100%); }
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .nav { padding: 20px 28px; }
  .nav.scrolled { padding: 14px 28px; }
  .nav-menu { display: none; }
  .nav-brand-name { display: none; }
  .section { padding: 100px 32px; }
  .section-title { font-size: 36px; letter-spacing: 4px; }
  .section-title-cn { font-size: 13px; letter-spacing: 10px; padding-left: 10px; margin-bottom: 56px; }
  .name-meaning { grid-template-columns: 1fr; gap: 60px; }
  .name-meaning .divider-v { width: 30px; height: 0.5px; margin: 0 auto; }
  .elements-symbols { grid-template-columns: repeat(5, 1fr); gap: 14px; }
  .symbol-item svg { width: 36px; height: 36px; }
  .symbol-item .sym-name-en { font-size: 11px; letter-spacing: 2px; }
  .symbol-item .sym-name-cn { font-size: 10px; letter-spacing: 3px; }
  .blessing { padding: 50px 28px; }
  .cards { grid-template-columns: 1fr; gap: 14px; }
  .finale { padding: 100px 32px 60px; }
  .finale-services { grid-template-columns: 1fr; gap: 60px; }
  .finale-services .divider-v { width: 30px; height: 0.5px; margin: 0 auto; }
  .footer { padding: 50px 32px 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 16px; }
}
@media (max-width: 640px) {
  .hero { padding: 100px 24px 80px; }
  .hero-logo svg { width: 96px; height: 108px; }
  .hero-logo { margin-bottom: 44px; }
  .hero-title { font-size: 36px; letter-spacing: 6px; }
  .hero-title-cn { font-size: 13px; letter-spacing: 16px; padding-left: 16px; }
  .hero-tagline { font-size: 12px; letter-spacing: 3px; }
  body.lang-en .hero-title { font-size: 32px; letter-spacing: 4px; }
  body.lang-en .hero-tagline { font-size: 14px; }
  .ai-btn { padding: 8px 14px; font-size: 10px; letter-spacing: 2px; }
  .nav-actions { gap: 14px; }
  .story-lead { font-size: 17px; letter-spacing: 1px; }
  .name-block-title { font-size: 28px; letter-spacing: 4px; }
  .story-narrative { font-size: 14px; letter-spacing: 1px; }
  .elements-intro, .blessing-text, .service-desc { font-size: 14px; letter-spacing: 1px; }
  .closing-text { font-size: 15px; letter-spacing: 2px; }
  .footer-grid { grid-template-columns: 1fr; }
}