:root {
  --ink: #162029;
  --muted-ink: #5d6972;
  --line: #dce5e7;
  --surface: #ffffff;
  --soft: #eef6f5;
  --soft-2: #f7faf9;
  --deep: #0d4b55;
  --teal: #168b8c;
  --blue: #275c9d;
  --accent: #e1b356;
  --shadow: 0 18px 50px rgba(18, 46, 55, 0.14);
  --font-sans: Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-display: "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-zh: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(247, 250, 249, 0.9), rgba(255, 255, 255, 0) 680px),
    var(--surface);
  line-height: 1.6;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  font-synthesis-weight: none;
}

:lang(zh-CN),
.zh {
  font-family: var(--font-zh);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--accent));
  box-shadow: 0 0 18px rgba(22, 139, 140, 0.42);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(220, 229, 231, 0.9);
  backdrop-filter: blur(16px);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 14px 34px rgba(18, 46, 55, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 260px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--deep), var(--teal));
  border-radius: 6px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-family: var(--font-display);
  letter-spacing: 0;
}

.brand small {
  color: var(--muted-ink);
  font-size: 12px;
  line-height: 1.3;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 14px;
  color: #34434d;
  font-size: 12px;
  font-weight: 750;
}

.nav a {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 8px 0;
  white-space: nowrap;
}

.nav a span {
  color: var(--muted-ink);
  font-size: 11px;
  font-weight: 500;
}

.nav a:hover {
  color: var(--teal);
}

.nav a.active {
  color: var(--deep);
  font-weight: 800;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  font-family: var(--font-display);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(13, 75, 85, 0.2);
}

.header-cta,
.button.primary {
  color: #fff;
  background: var(--deep);
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.14);
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  overflow: hidden;
  color: #fff;
  background: #07161c;
}

.hero img {
  position: absolute;
  inset: 0 auto 0 0;
  width: 108%;
  height: 100%;
  object-fit: cover;
  transform-origin: center;
  transform: translateX(-3%) translateY(var(--scroll-lift, 0px)) scale(1.02);
  transition: transform 0.2s linear;
  filter: saturate(1.08) contrast(1.02);
  animation: factoryScale 18s ease-in-out infinite;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 12, 18, 0.92) 0%, rgba(4, 24, 32, 0.74) 42%, rgba(4, 24, 32, 0.22) 100%),
    linear-gradient(0deg, rgba(1, 8, 12, 0.72), rgba(1, 8, 12, 0.12) 42%, rgba(1, 8, 12, 0.24)),
    radial-gradient(circle at 72% 48%, rgba(75, 226, 232, 0.18), transparent 34%);
}

.hero-tech-grid,
.hero-depth {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-tech-grid {
  opacity: 0.38;
  background:
    linear-gradient(90deg, rgba(98, 234, 239, 0.09) 1px, transparent 1px),
    linear-gradient(0deg, rgba(98, 234, 239, 0.055) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px;
  mask-image: linear-gradient(90deg, transparent 0%, black 28%, black 100%);
  animation: gridDrift 28s linear infinite;
}

.hero-depth {
  opacity: 0.9;
  background:
    radial-gradient(ellipse at 72% 48%, rgba(103, 241, 241, 0.22), transparent 34%),
    linear-gradient(100deg, transparent 0 42%, rgba(108, 240, 238, 0.16) 48%, transparent 56% 100%),
    linear-gradient(90deg, rgba(0, 12, 18, 0.2), transparent 40%, rgba(0, 12, 18, 0.22));
  mix-blend-mode: screen;
  animation: depthGlow 9s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(760px, 100%);
  min-height: calc(100vh - 72px);
  padding: 72px clamp(20px, 6vw, 72px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero .eyebrow {
  color: #79d9d6;
  text-shadow: 0 0 22px rgba(121, 217, 214, 0.45);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.05;
  letter-spacing: 0;
}

.zh-title {
  max-width: 760px;
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-zh);
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.18;
}

h2 {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

.zh-heading {
  margin-bottom: 18px;
  color: var(--deep);
  font-family: var(--font-zh);
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.28;
}

.story-section .zh-heading,
.contact .zh-heading {
  color: rgba(255, 255, 255, 0.9);
}

h3 {
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.28;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
  line-height: 1.62;
}

.hero-copy.zh {
  max-width: 640px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 640px;
}

.hero-stats div {
  min-height: 88px;
  padding: 16px;
  border: 1px solid rgba(121, 217, 214, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.05)),
    rgba(4, 24, 32, 0.44);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.16), 0 18px 34px rgba(0, 14, 20, 0.18);
  backdrop-filter: blur(14px);
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  font-size: 22px;
  color: #dffdfc;
  text-shadow: 0 0 18px rgba(121, 217, 214, 0.42);
}

.hero-stats span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  line-height: 1.45;
}

.hero-dashboard {
  position: absolute;
  right: clamp(20px, 5vw, 72px);
  bottom: clamp(28px, 7vh, 82px);
  z-index: 2;
  width: min(390px, 31vw);
  padding: 22px;
  color: #fff;
  border: 1px solid rgba(121, 217, 214, 0.32);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(6, 30, 38, 0.68), rgba(8, 53, 64, 0.42)),
    rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 70px rgba(0, 10, 16, 0.34), inset 0 1px 0 rgba(255,255,255,0.2);
  backdrop-filter: blur(18px);
}

.hero-dashboard::before,
.hero-dashboard::after {
  content: "";
  position: absolute;
  width: 42px;
  height: 42px;
  border-color: rgba(121, 217, 214, 0.7);
  border-style: solid;
}

.hero-dashboard::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.hero-dashboard::after {
  right: -1px;
  bottom: -1px;
  border-width: 0 1px 1px 0;
}

.dashboard-kicker {
  display: block;
  margin-bottom: 18px;
  color: #79d9d6;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.machine-preview {
  position: relative;
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid rgba(121, 217, 214, 0.28);
  border-radius: 8px;
  background: rgba(0, 12, 18, 0.55);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.16);
}

.machine-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(121, 217, 214, 0.16), transparent 38%),
    linear-gradient(0deg, rgba(0, 8, 12, 0.44), transparent 42%);
  pointer-events: none;
}

.machine-preview video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.08);
}

.machine-preview span {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 1;
  padding: 6px 9px;
  color: #dffdfc;
  font-size: 11px;
  font-weight: 900;
  line-height: 1.35;
  background: rgba(4, 24, 32, 0.78);
  border: 1px solid rgba(121, 217, 214, 0.28);
  border-radius: 5px;
  backdrop-filter: blur(10px);
}

.hero-dashboard h2 {
  margin-bottom: 18px;
  font-size: clamp(24px, 2.2vw, 34px);
  line-height: 1.08;
}

.hero-dashboard h2 span {
  font-size: 0.68em;
  color: rgba(255, 255, 255, 0.74);
}

.dashboard-list {
  display: grid;
  gap: 10px;
}

.dashboard-list span {
  padding: 10px 0 10px 14px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 13px;
  line-height: 1.45;
  border-left: 2px solid rgba(121, 217, 214, 0.72);
  background: linear-gradient(90deg, rgba(121, 217, 214, 0.12), transparent);
}

@keyframes gridDrift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 120px 120px, 120px 120px; }
}

@keyframes depthGlow {
  0%, 100% { transform: translateX(-2%) scale(1); opacity: 0.62; }
  50% { transform: translateX(2%) scale(1.04); opacity: 0.96; }
}

@keyframes factoryScale {
  0%, 100% { transform: translateX(-4%) translateY(var(--scroll-lift, 0px)) scale(1.03); }
  50% { transform: translateX(0%) translateY(var(--scroll-lift, 0px)) scale(1.08); }
}

.craft-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  color: #fff;
  background: #d8e3e4;
}

.craft-strip span {
  display: grid;
  place-items: center;
  min-height: 76px;
  padding: 16px;
  text-align: center;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.45;
  background:
    linear-gradient(135deg, rgba(13, 75, 85, 0.96), rgba(22, 139, 140, 0.9)),
    radial-gradient(circle at 18% 20%, rgba(225, 179, 86, 0.24), transparent 34%);
}

.section {
  padding: 86px clamp(20px, 6vw, 72px);
}

.section > * {
  position: relative;
  z-index: 1;
}

.muted {
  background: var(--soft);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.section-heading p {
  color: var(--muted-ink);
}

.section-heading .zh {
  max-width: 760px;
  color: #68757d;
}

.intro-grid,
.product-grid,
.process-grid,
.trust-grid,
.proof-grid,
.craft-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.craft-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.intro article,
.product-card,
.process-step,
.trust-grid article,
.inquiry-form,
.proof-card,
.craft-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(18, 46, 55, 0.06);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.intro article:hover,
.product-card:hover,
.process-step:hover,
.trust-grid article:hover,
.showcase-panel:hover,
.story-card:hover,
.proof-card:hover,
.craft-card:hover {
  transform: translateY(-5px);
  border-color: rgba(22, 139, 140, 0.38);
  box-shadow: var(--shadow);
}

.intro article p,
.product-card p,
.process-step p,
.trust-grid p,
.contact-copy p,
.timeline span {
  color: var(--muted-ink);
}

.metric-card {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(13, 75, 85, 0.96), rgba(39, 92, 157, 0.92)),
    radial-gradient(circle at 20% 20%, rgba(225, 179, 86, 0.35), transparent 35%) !important;
}

.metric-card span {
  display: inline-block;
  margin-bottom: 18px;
  color: #b6f1ee;
  font-weight: 700;
  line-height: 1.45;
}

.metric-card p {
  color: rgba(255, 255, 255, 0.82) !important;
}

.craft-section {
  background:
    linear-gradient(180deg, #fff, #f8fbfb),
    radial-gradient(circle at 92% 8%, rgba(225, 179, 86, 0.16), transparent 34%);
}

.craft-card {
  min-height: 320px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.9)),
    linear-gradient(135deg, rgba(22, 139, 140, 0.08), rgba(39, 92, 157, 0.08));
}

.craft-card span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 32px;
  color: #fff;
  font-weight: 900;
  background: var(--deep);
  border-radius: 50%;
}

.craft-card p {
  color: var(--muted-ink);
}

.product-card {
  overflow: hidden;
  padding: 0;
}

.product-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #eef4f4;
}

.product-card[hidden] {
  display: none;
}

.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -10px 0 28px;
}

.tab-button {
  min-height: 42px;
  padding: 0 16px;
  color: var(--deep);
  font: inherit;
  font-weight: 800;
  font-family: var(--font-display);
  border: 1px solid rgba(22, 139, 140, 0.28);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.74);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.tab-button:hover {
  transform: translateY(-2px);
}

.tab-button.active {
  color: #fff;
  background: var(--deep);
}

.product-card h3,
.product-card p,
.product-card dl {
  padding-right: 22px;
  padding-left: 22px;
}

.product-card h3 {
  margin-top: 22px;
}

.product-card dl {
  display: grid;
  gap: 8px;
  margin: 20px 0 24px;
}

.product-card dl div {
  display: grid;
  grid-template-columns: minmax(90px, 0.8fr) minmax(0, 1.2fr);
  gap: 16px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.product-card dt {
  color: var(--muted-ink);
}

.product-card dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
  line-height: 1.45;
}

.product-visual {
  min-height: 180px;
  background-color: #e8f3f4;
  background-image:
    linear-gradient(135deg, rgba(22, 139, 140, 0.34), rgba(39, 92, 157, 0.22)),
    radial-gradient(circle at 34% 38%, rgba(255, 255, 255, 0.95) 0 18%, transparent 19%),
    linear-gradient(90deg, transparent 22%, rgba(255, 255, 255, 0.82) 23% 77%, transparent 78%);
}

.story-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(360px, 1.22fr);
  gap: clamp(30px, 6vw, 78px);
  align-items: start;
  padding: 96px clamp(20px, 6vw, 72px);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(12, 39, 47, 0.96), rgba(14, 70, 82, 0.92)),
    radial-gradient(circle at 80% 12%, rgba(225, 179, 86, 0.26), transparent 34%);
}

.story-copy {
  position: sticky;
  top: 112px;
}

.story-copy .eyebrow {
  color: #84e0dd;
}

.story-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.story-rail {
  display: grid;
  gap: 16px;
}

.story-card {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 8px 20px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.story-card span {
  grid-row: span 2;
  color: var(--accent);
  font-size: 26px;
  font-weight: 800;
}

.story-card h3 {
  margin-bottom: 0;
}

.story-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.factory-section {
  overflow: hidden;
  background:
    linear-gradient(180deg, #fff, var(--soft-2)),
    radial-gradient(circle at 16% 20%, rgba(22, 139, 140, 0.12), transparent 32%);
}

.factory-showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.showcase-panel {
  min-height: 300px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.96)),
    linear-gradient(135deg, rgba(22, 139, 140, 0.18), rgba(39, 92, 157, 0.14));
  box-shadow: 0 10px 30px rgba(18, 46, 55, 0.06);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.showcase-panel.image-card {
  overflow: hidden;
  padding: 0;
}

.showcase-panel.image-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.showcase-panel.image-card span,
.showcase-panel.image-card h3,
.showcase-panel.image-card p {
  margin-right: 22px;
  margin-left: 22px;
}

.showcase-panel.image-card span {
  margin-top: 20px;
  margin-bottom: 12px;
}

.showcase-panel span {
  display: inline-block;
  margin-bottom: 120px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.showcase-panel p {
  color: var(--muted-ink);
}

.proof-section {
  background: #fff;
}

.video-section {
  background: var(--soft);
}

.video-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0f2229;
  box-shadow: var(--shadow);
}

.video-frame video {
  display: block;
  width: 100%;
  max-height: 76vh;
  background: #0f2229;
}

.proof-grid {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
}

.proof-card {
  overflow: hidden;
  padding: 0;
}

.proof-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #eef4f4;
}

.proof-card:nth-child(2) img {
  aspect-ratio: 4 / 3;
  object-fit: contain;
  padding: 14px;
  background: #f6faf9;
}

.proof-card h3,
.proof-card p {
  padding-right: 22px;
  padding-left: 22px;
}

.proof-card h3 {
  margin-top: 20px;
}

.proof-card p:last-child {
  margin-bottom: 24px;
}

.visual-gown {
  background-color: #edf1f6;
  background-image:
    linear-gradient(135deg, rgba(39, 92, 157, 0.26), rgba(225, 179, 86, 0.22)),
    radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.95) 0 14%, transparent 15%),
    linear-gradient(110deg, transparent 16%, rgba(255, 255, 255, 0.86) 17% 83%, transparent 84%);
}

.visual-accessory {
  background-color: #f3f5ef;
  background-image:
    linear-gradient(135deg, rgba(13, 75, 85, 0.18), rgba(225, 179, 86, 0.28)),
    radial-gradient(circle at 30% 46%, rgba(255, 255, 255, 0.9) 0 16%, transparent 17%),
    radial-gradient(circle at 68% 55%, rgba(255, 255, 255, 0.84) 0 20%, transparent 21%);
}

.process-step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  color: #fff;
  font-weight: 800;
  background: var(--teal);
  border-radius: 50%;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.split > div {
  max-width: 620px;
}

.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.timeline strong {
  font-family: var(--font-display);
  color: var(--deep);
  line-height: 1.45;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  color: #fff;
  background:
    linear-gradient(135deg, #10232c, #123f49),
    radial-gradient(circle at 88% 20%, rgba(225, 179, 86, 0.24), transparent 30%);
}

.contact .eyebrow {
  color: #79d9d6;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-list {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.contact-list a,
.contact-list span {
  color: #dff8f7;
  font-weight: 700;
}

.qr-card {
  display: flex;
  align-items: center;
  gap: 16px;
  width: min(360px, 100%);
  margin-top: 26px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.qr-placeholder,
.wechat-qr {
  display: grid;
  place-items: center;
  flex: 0 0 116px;
  width: 116px;
  height: 116px;
}

.qr-placeholder {
  color: var(--deep);
  text-align: center;
  font-weight: 900;
  line-height: 1.35;
  background:
    linear-gradient(90deg, rgba(13, 75, 85, 0.09) 1px, transparent 1px),
    linear-gradient(0deg, rgba(13, 75, 85, 0.09) 1px, transparent 1px),
    #fff;
  background-size: 12px 12px;
  border: 8px solid #fff;
  border-radius: 6px;
}

.wechat-qr {
  object-fit: cover;
  padding: 0;
  background: #fff;
  border: 8px solid #fff;
  border-radius: 6px;
}

.qr-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.inquiry-form {
  display: grid;
  gap: 16px;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  font-weight: 700;
  font-family: var(--font-display);
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 11px 12px;
  color: var(--ink);
  border: 1px solid #cbd8dc;
  border-radius: 6px;
  font: inherit;
}

.inquiry-form textarea {
  resize: vertical;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 6vw, 72px);
  color: #5e6c74;
  background: #f6faf9;
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }

  .intro-grid,
  .product-grid,
  .process-grid,
  .trust-grid,
  .proof-grid,
  .craft-grid,
  .factory-showcase,
  .story-section,
  .split,
  .contact {
    grid-template-columns: 1fr;
  }

  .craft-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .story-copy {
    position: static;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero-dashboard {
    position: relative;
    right: auto;
    bottom: auto;
    z-index: 2;
    width: auto;
    margin: -56px 20px 42px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: auto;
  }

  .brand {
    min-width: 0;
  }

  .header-cta {
    width: 100%;
  }

  .nav {
    gap: 6px 16px;
    font-size: 12px;
  }

  .nav a span {
    display: inline;
    font-size: 11px;
  }

  .hero,
  .hero-content {
    min-height: 820px;
  }

  .hero-content {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  h1 {
    font-size: 34px;
  }

  .zh-title {
    font-size: 25px;
  }

  .hero-dashboard {
    margin: -72px 20px 34px;
    padding: 18px;
  }

  .hero-dashboard h2 {
    font-size: 24px;
  }

  .dashboard-list span {
    font-size: 12px;
  }

  .section {
    padding-top: 62px;
    padding-bottom: 62px;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .story-card {
    grid-template-columns: 1fr;
  }

  .showcase-panel {
    min-height: 230px;
  }

  .showcase-panel span {
    margin-bottom: 70px;
  }

  .footer {
    flex-direction: column;
  }

  .craft-strip {
    grid-template-columns: 1fr;
  }

  .qr-card {
    align-items: flex-start;
    flex-direction: column;
  }
}