@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap");

:root {
  --space-950: #030712;
  --space-900: #07111f;
  --navy-900: #0f172a;
  --navy-800: #172033;
  --navy-700: #233049;
  --silver-100: #f8fafc;
  --silver-200: #e5e7eb;
  --silver-300: #cbd5e1;
  --muted: #64748b;
  --gold: #f6c453;
  --gold-strong: #f59e0b;
  --route-blue: #38bdf8;
  --trust-green: #22c55e;
  --action: #f97316;
  --ink: #101827;
  --line: rgba(148, 163, 184, 0.28);
  --line-dark: rgba(255, 255, 255, 0.16);
  --shadow: 0 22px 70px rgba(2, 6, 23, 0.28);
  --radius: 8px;
  --max: 1180px;
  --font-body: "Manrope", "Noto Sans SC", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-display: "Space Grotesk", "Noto Sans SC", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-utility: "Manrope", "Noto Sans SC", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--silver-100);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.62;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

body.menu-open .site-header {
  backdrop-filter: none;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.72);
  outline-offset: 3px;
}

.site-shell {
  min-height: 100vh;
  overflow-x: hidden;
  overflow-x: clip;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: max-content;
}

.brand img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(249, 115, 22, 0.1), 0 12px 28px rgba(15, 23, 42, 0.16);
}

.brand-name {
  display: grid;
  gap: 2px;
  line-height: 1;
}

.brand-name strong {
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-name span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(15, 23, 42, 0.16);
  background: white;
  border-radius: var(--radius);
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.nav-link,
.nav-parent {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 12px;
  border-radius: var(--radius);
  color: #263244;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

.language-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
  min-height: 36px;
  padding: 3px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
}

.lang-button {
  min-height: 28px;
  border: 0;
  border-radius: 6px;
  padding: 0 9px;
  background: transparent;
  color: #334155;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.lang-button.is-active {
  background: var(--navy-900);
  color: white;
}

.nav-link:hover,
.nav-parent:hover,
.nav-link.is-active {
  background: rgba(15, 23, 42, 0.07);
}

.nav-item {
  position: relative;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 310px;
  padding: 10px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  visibility: hidden;
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.dropdown a {
  display: grid;
  gap: 2px;
  padding: 10px;
  border-radius: 6px;
}

.dropdown a:hover {
  background: #f1f5f9;
}

.dropdown strong {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
}

.dropdown span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--action);
  color: white;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(249, 115, 22, 0.25);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.34);
  color: white;
}

.button.light {
  background: white;
  border-color: rgba(15, 23, 42, 0.12);
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 760px;
  color: white;
  background: var(--space-950);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: linear-gradient(90deg, rgba(3, 7, 18, 0.94) 0%, rgba(3, 7, 18, 0.72) 34%, rgba(3, 7, 18, 0.36) 62%, rgba(3, 7, 18, 0.74) 100%);
  background-size: cover;
  background-position: center;
}

.hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.hero-orbits {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.route-line {
  position: absolute;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(246, 196, 83, 0), rgba(246, 196, 83, 0.9), rgba(56, 189, 248, 0.9), rgba(56, 189, 248, 0));
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.45);
  transform-origin: left center;
  animation: routePulse 5s ease-in-out infinite;
}

.route-line.one {
  width: 360px;
  right: 13%;
  top: 35%;
  transform: rotate(-23deg);
}

.route-line.two {
  width: 430px;
  right: 5%;
  top: 56%;
  transform: rotate(12deg);
  animation-delay: 1.1s;
}

.route-line.three {
  width: 320px;
  right: 28%;
  top: 49%;
  transform: rotate(196deg);
  animation-delay: 2s;
}

.gold-node {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 18px var(--gold);
  animation: nodeRise 4s ease-in-out infinite;
}

.gold-node:nth-child(4) {
  right: 36%;
  top: 43%;
}

.gold-node:nth-child(5) {
  right: 42%;
  top: 58%;
  animation-delay: 0.6s;
}

.gold-node:nth-child(6) {
  right: 27%;
  top: 51%;
  animation-delay: 1.2s;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  min-height: 760px;
  padding: 96px 0;
}

.hero-brand-lockup {
  display: inline-grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 18px;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 22px;
  padding: 14px 18px 14px 14px;
  border: 1px solid rgba(246, 196, 83, 0.3);
  border-radius: var(--radius);
  background: rgba(3, 7, 18, 0.52);
  box-shadow: 0 22px 80px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(14px);
}

.hero-brand-lockup img {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(246, 196, 83, 0.13), 0 0 36px rgba(246, 196, 83, 0.28);
}

.hero-brand-text {
  display: grid;
  gap: 5px;
}

.hero-brand-text strong {
  color: white;
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-brand-text span {
  color: #fde68a;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 7px 10px;
  border: 1px solid rgba(246, 196, 83, 0.36);
  border-radius: 999px;
  background: rgba(246, 196, 83, 0.08);
  color: #fde68a;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 16px var(--gold);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0;
  text-wrap: balance;
}

p {
  margin-top: 0;
  text-wrap: pretty;
}

.hero h1 {
  max-width: 760px;
  margin: 24px 0 22px;
  font-size: clamp(50px, 7.2vw, 96px);
  line-height: 0.98;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 28px;
  color: #d8e2ef;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 500;
  line-height: 1.68;
}

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

.hero-quick {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: min(780px, 100%);
  margin-top: 54px;
}

.quick-card {
  min-height: 118px;
  padding: 16px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.66);
  backdrop-filter: blur(12px);
}

.quick-card strong {
  display: block;
  margin-bottom: 8px;
  color: white;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.2;
}

.quick-card span {
  color: #b7c5d6;
  font-size: 13px;
  line-height: 1.5;
}

.section {
  padding: 92px 0;
}

.section.dark {
  background: var(--navy-900);
  color: white;
}

.section.soft {
  background: #eef2f7;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 34px;
}

.section-kicker {
  color: var(--action);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.section h2 {
  max-width: 760px;
  margin: 10px 0 0;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.04;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-lede {
  max-width: 590px;
  color: var(--muted);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.68;
}

.dark .section-lede {
  color: #b8c4d4;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.category-card,
.panel,
.process-step,
.rfq-panel,
.contact-card {
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.category-card {
  display: grid;
  min-height: 260px;
  padding: 24px;
  overflow: hidden;
  position: relative;
}

.category-card.priority {
  border-color: rgba(249, 115, 22, 0.28);
  background:
    linear-gradient(145deg, rgba(249, 115, 22, 0.08), rgba(255, 255, 255, 0) 38%),
    white;
}

.category-card::after {
  content: "";
  position: absolute;
  right: -38px;
  bottom: -42px;
  width: 138px;
  height: 138px;
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.12), rgba(56, 189, 248, 0));
}

.category-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

.category-card,
.panel,
.process-step,
.contact-card {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.product-modules {
  display: grid;
  gap: 16px;
}

.product-module {
  overflow: clip;
  scroll-margin-top: 132px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.07);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.product-module.priority {
  border-color: rgba(249, 115, 22, 0.3);
  background:
    linear-gradient(135deg, rgba(249, 115, 22, 0.07), rgba(255, 255, 255, 0) 34%),
    white;
}

.product-module[open],
.product-module:hover {
  border-color: rgba(56, 189, 248, 0.34);
  box-shadow: 0 24px 62px rgba(15, 23, 42, 0.13);
}

.product-module:hover {
  transform: translateY(-2px);
}

.product-module summary {
  display: grid;
  grid-template-columns: minmax(220px, 32%) minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
  min-height: 250px;
  padding: 18px;
  cursor: pointer;
  list-style: none;
}

.product-module summary::-webkit-details-marker {
  display: none;
}

.product-media {
  position: relative;
  display: block;
  overflow: hidden;
  min-height: 214px;
  border-radius: var(--radius);
  background: #0f172a;
}

.product-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0), rgba(15, 23, 42, 0.16));
  pointer-events: none;
}

.product-media img {
  width: 100%;
  height: 100%;
  min-height: 214px;
  object-fit: cover;
  transition: transform 420ms ease;
}

.product-module:hover .product-media img,
.product-module[open] .product-media img {
  transform: scale(1.035);
}

.product-summary {
  display: grid;
  align-content: center;
  gap: 12px;
  min-width: 0;
  padding: 6px 8px 6px 0;
}

.product-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.product-title {
  color: var(--navy-900);
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 700;
  line-height: 1.02;
  text-transform: uppercase;
  text-wrap: balance;
}

.module-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 999px;
  color: #334155;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.module-action::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.14);
  color: #0369a1;
  font-size: 14px;
  line-height: 1;
}

.product-module[open] .module-action::before {
  content: "-";
  background: rgba(249, 115, 22, 0.14);
  color: #c2410c;
}

.product-desc {
  max-width: 720px;
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.65;
  text-wrap: pretty;
}

.product-detail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 0 18px 18px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.product-detail > div {
  min-height: 142px;
  padding: 18px;
  border: 1px solid rgba(15, 23, 42, 0.09);
  border-radius: var(--radius);
  background: #f8fafc;
}

.product-detail strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy-900);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-detail p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.product-actions {
  display: flex;
  align-items: center;
  grid-column: 1 / -1;
  min-height: auto !important;
  padding: 4px 0 0 !important;
  border: 0 !important;
  background: transparent !important;
}

.product-actions .button {
  width: auto;
}

.card-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.category-card h3,
.panel h3,
.process-step h3 {
  margin: 18px 0 12px;
  font-size: 24px;
  line-height: 1.16;
}

.category-card p,
.panel p,
.process-step p,
.contact-card p {
  color: var(--muted);
  line-height: 1.65;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #edf2f7;
  color: #344054;
  font-size: 12px;
  font-weight: 700;
}

.dark .panel,
.dark .process-step {
  border-color: var(--line-dark);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.dark .panel p,
.dark .process-step p {
  color: #bdc8d7;
}

.process-step {
  padding: 22px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(246, 196, 83, 0.14);
  color: var(--gold);
  font-weight: 800;
}

.panel {
  padding: 26px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 34px;
  align-items: center;
}

.proof-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.proof-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px;
  border: 1px solid rgba(15, 23, 42, 0.11);
  border-radius: var(--radius);
  background: white;
}

.proof-list li::before {
  content: "";
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--trust-green);
  box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.13);
}

.cta-band {
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--navy-900), #1d2842);
  color: white;
  padding: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-band h2 {
  margin-bottom: 12px;
}

.page-hero {
  padding: 96px 0 76px;
  background: radial-gradient(circle at 70% 20%, rgba(56, 189, 248, 0.22), transparent 32%), linear-gradient(135deg, var(--space-950), var(--navy-900));
  color: white;
}

.page-hero h1 {
  max-width: 900px;
  margin: 16px 0;
  font-size: clamp(42px, 6.2vw, 78px);
  line-height: 1.02;
  text-transform: uppercase;
}

.page-hero p {
  max-width: 700px;
  color: #cbd5e1;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.66;
}

.table-like {
  display: grid;
  gap: 10px;
}

.table-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  padding: 18px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--radius);
  background: white;
}

.table-row strong {
  color: var(--navy-900);
  font-family: var(--font-display);
  font-weight: 600;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-field {
  display: grid;
  gap: 7px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.hp-field {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

.form-field label {
  color: #273244;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  min-height: 46px;
  border: 1px solid rgba(15, 23, 42, 0.16);
  border-radius: var(--radius);
  background: white;
  color: var(--ink);
  padding: 10px 12px;
  font-weight: 500;
  line-height: 1.45;
}

.form-field textarea {
  min-height: 132px;
  resize: vertical;
}

.form-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
}

.form-status {
  display: none;
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
  font-weight: 700;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-error {
  background: rgba(249, 115, 22, 0.12);
  color: #9a3412;
}

.site-footer {
  padding: 46px 0;
  background: var(--space-950);
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.footer-grid h3 {
  margin-bottom: 12px;
  color: white;
  font-size: 15px;
  font-weight: 600;
}

.footer-grid a,
.footer-grid p {
  color: #aebacc;
  font-size: 14px;
  line-height: 1.55;
}

.footer-links {
  display: grid;
  gap: 8px;
}

body.lang-zh {
  word-break: auto-phrase;
  line-break: strict;
}

body.lang-zh h1,
body.lang-zh h2,
body.lang-zh h3,
body.lang-zh .product-title,
body.lang-zh .quick-card strong,
body.lang-zh .brand-name strong,
body.lang-zh .nav-link,
body.lang-zh .nav-parent,
body.lang-zh .button,
body.lang-zh .nav-cta,
body.lang-zh .module-action,
body.lang-zh .tag-list span,
body.lang-zh .card-label,
body.lang-zh .section-kicker {
  word-break: keep-all;
  overflow-wrap: anywhere;
}

body.lang-zh h1,
body.lang-zh h2,
body.lang-zh h3,
body.lang-zh .product-title,
body.lang-zh .hero h1,
body.lang-zh .section h2,
body.lang-zh .page-hero h1 {
  text-transform: none;
  word-break: normal;
  line-break: strict;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

@supports (word-break: auto-phrase) {
  body.lang-zh h1,
  body.lang-zh h2,
  body.lang-zh h3,
  body.lang-zh .product-title,
  body.lang-zh .hero h1,
  body.lang-zh .section h2,
  body.lang-zh .page-hero h1 {
    word-break: auto-phrase;
    overflow-wrap: normal;
  }
}

body.lang-zh p,
body.lang-zh .product-desc,
body.lang-zh .dropdown span,
body.lang-zh .quick-card span {
  word-break: normal;
  line-break: strict;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

body.lang-zh .page-hero h1 {
  max-width: 1120px;
  font-size: clamp(40px, 5.2vw, 64px);
  line-height: 1.12;
}

body.lang-zh .hero h1 {
  font-size: clamp(44px, 6.2vw, 82px);
  line-height: 1.08;
}

@keyframes routePulse {
  0% {
    opacity: 0;
    clip-path: inset(0 100% 0 0);
  }
  48% {
    opacity: 1;
    clip-path: inset(0 0 0 0);
  }
  100% {
    opacity: 0.24;
    clip-path: inset(0 0 0 100%);
  }
}

@keyframes nodeRise {
  0%,
  100% {
    opacity: 0.32;
    transform: translateY(18px) scale(0.9);
  }
  52% {
    opacity: 1;
    transform: translateY(-10px) scale(1.18);
  }
}




@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 960px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: 72px 14px auto 14px;
    display: none;
    max-height: calc(100vh - 96px);
    overflow: auto;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-link,
  .nav-parent,
  .nav-cta,
  .language-switch {
    width: 100%;
    justify-content: flex-start;
  }

  .language-switch {
    grid-template-columns: repeat(2, 1fr);
  }

  .dropdown {
    position: static;
    width: 100%;
    margin: 4px 0 8px;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: #f8fafc;
  }

  .hero,
  .hero-content {
    min-height: 720px;
  }

  .hero-quick,
  .grid.three,
  .grid.two,
  .product-detail,
  .footer-grid,
  .split-layout {
    grid-template-columns: 1fr;
  }

  .section-head,
  .cta-band {
    align-items: start;
    flex-direction: column;
  }

  .table-row,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .product-module summary {
    grid-template-columns: minmax(180px, 36%) minmax(0, 1fr);
    gap: 18px;
    min-height: 220px;
  }

  .product-media,
  .product-media img {
    min-height: 190px;
  }
}

@media (max-width: 640px) {
  .brand-name span {
    display: none;
  }

  .brand img {
    width: 46px;
    height: 46px;
  }

  .brand-name strong {
    font-size: 19px;
  }

  .hero-brand-lockup {
    grid-template-columns: auto 1fr;
    gap: 14px;
    padding: 12px;
  }

  .hero-brand-lockup img {
    width: 58px;
    height: 58px;
  }

  .hero,
  .hero-content {
    min-height: 680px;
  }

  .hero h1 {
    font-size: clamp(42px, 13.5vw, 62px);
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-quick {
    grid-template-columns: 1fr;
    margin-top: 36px;
  }

  .product-module summary {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .product-media,
  .product-media img {
    min-height: 220px;
  }

  .product-summary {
    padding: 4px 4px 8px;
  }

  .product-title-row {
    align-items: start;
    flex-direction: column;
    gap: 10px;
  }

  .product-title {
    font-size: clamp(28px, 9vw, 38px);
  }

  .product-detail {
    padding: 0 12px 12px;
  }

  .section {
    padding: 68px 0;
  }

  .cta-band {
    padding: 26px;
  }
}

/* ─── News section: tech-feel redesign ─── */

/* Breadcrumbs — compact pill style */
.news-breadcrumbs {
  margin-bottom: 28px;
  font-size: 13px;
  font-weight: 600;
}
.news-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.news-breadcrumbs li {
  display: inline-flex;
  align-items: center;
}
.news-breadcrumbs li::after {
  content: "›";
  margin: 0 8px;
  color: var(--silver-300);
  font-weight: 400;
}
.news-breadcrumbs li:last-child::after { content: ""; }
.news-breadcrumbs a {
  color: var(--action);
  text-decoration: none;
  padding: 3px 10px;
  border-radius: 6px;
  transition: background 0.2s, color 0.2s;
}
.news-breadcrumbs a:hover {
  background: rgba(249, 115, 22, 0.08);
  color: var(--action);
}
.news-breadcrumbs span[aria-current="page"] {
  color: var(--muted);
  padding: 3px 10px;
}

/* Hero — animated gradient mesh */
.compact-hero {
  position: relative;
  padding-block: clamp(64px, 9vw, 108px) clamp(42px, 6vw, 72px);
  overflow: hidden;
}
.compact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 40%, rgba(56, 189, 248, 0.18), transparent),
    radial-gradient(ellipse 40% 60% at 80% 30%, rgba(249, 115, 22, 0.12), transparent),
    radial-gradient(ellipse 50% 50% at 50% 80%, rgba(34, 197, 94, 0.08), transparent);
  animation: heroPulse 8s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes heroPulse {
  0%   { opacity: 0.6; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}
.compact-hero .eyebrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid rgba(249, 115, 22, 0.3);
  background: rgba(249, 115, 22, 0.08);
  color: var(--action);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.compact-hero .eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--action);
  animation: dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.5); }
  50%      { opacity: 0.7; box-shadow: 0 0 0 6px rgba(249, 115, 22, 0); }
}
.compact-hero h1 {
  position: relative;
  max-width: 900px;
  margin: 20px 0;
  font-size: clamp(28px, 4.5vw, 54px);
  line-height: 1.08;
  text-transform: uppercase;
}
.compact-hero p {
  position: relative;
  max-width: 700px;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.66;
}

/* Updated line — tech style */
.news-updated {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 28px;
}

/* News grid — masonry-like staggered reveal */
@keyframes cardReveal {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.server-news-grid {
  display: grid;
  gap: 20px;
}

.server-news-grid .news-card {
  position: relative;
  display: grid;
  gap: 14px;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(2, 6, 23, 0.04);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  animation: cardReveal 0.5s ease-out both;
}
.server-news-grid .news-card:nth-child(1)  { animation-delay: 0.0s; }
.server-news-grid .news-card:nth-child(2)  { animation-delay: 0.06s; }
.server-news-grid .news-card:nth-child(3)  { animation-delay: 0.12s; }
.server-news-grid .news-card:nth-child(4)  { animation-delay: 0.18s; }
.server-news-grid .news-card:nth-child(5)  { animation-delay: 0.24s; }
.server-news-grid .news-card:nth-child(6)  { animation-delay: 0.30s; }
.server-news-grid .news-card:nth-child(7)  { animation-delay: 0.36s; }
.server-news-grid .news-card:nth-child(8)  { animation-delay: 0.42s; }
.server-news-grid .news-card:nth-child(n+9) { animation-delay: 0.48s; }

.server-news-grid .news-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 12px 12px 0 0;
  background: linear-gradient(90deg, var(--action), var(--route-blue));
  opacity: 0;
  transition: opacity 0.3s;
}

.server-news-grid .news-card:hover {
  border-color: rgba(249, 115, 22, 0.25);
  box-shadow: 0 8px 40px rgba(2, 6, 23, 0.08), 0 0 0 1px rgba(249, 115, 22, 0.1);
  transform: translateY(-2px);
}
.server-news-grid .news-card:hover::before {
  opacity: 1;
}

.server-news-grid .news-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.25;
  text-transform: none;
}

.server-news-grid .news-card h2 a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
}
.server-news-grid .news-card h2 a:hover {
  color: var(--action);
}

/* Meta — source / date / category tags */
.news-meta,
.news-card-actions,
.article-cta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.news-source {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.04);
  color: var(--navy-700);
  font-size: 12px;
  font-weight: 700;
}
.news-date {
  color: var(--silver-300);
  font-size: 12px;
  font-weight: 500;
}
.news-category {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
/* Category color coding */
.news-card:has(.news-category[data-i18n-en="Fasteners"]) .news-category,
.news-category[data-i18n-en="Fasteners"] {
  background: rgba(249, 115, 22, 0.08);
  color: var(--action);
}
.news-card:has(.news-category[data-i18n-en="Supply Chain"]) .news-category,
.news-category[data-i18n-en="Supply Chain"] {
  background: rgba(56, 189, 248, 0.08);
  color: #0284c7;
}
.news-card:has(.news-category[data-i18n-en="Trade & Tariffs"]) .news-category,
.news-category[data-i18n-en="Trade & Tariffs"] {
  background: rgba(239, 68, 68, 0.08);
  color: #dc2626;
}
.news-card:has(.news-category[data-i18n-en="Manufacturing"]) .news-category,
.news-category[data-i18n-en="Manufacturing"] {
  background: rgba(34, 197, 94, 0.08);
  color: #16a34a;
}

/* Card description */
.news-desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

/* Buyer insight — glowing left border */
.news-insight {
  position: relative;
  padding: 14px 18px 14px 20px;
  border-left: 3px solid var(--action);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.03), rgba(56, 189, 248, 0.02));
  transition: border-color 0.3s, box-shadow 0.3s;
}
.news-card:hover .news-insight {
  border-color: var(--gold);
  box-shadow: -2px 0 12px rgba(249, 115, 22, 0.1);
}
.news-insight p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.news-insight-label {
  display: block;
  margin-bottom: 4px;
  color: var(--action);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Card actions */
.news-card-actions {
  padding-top: 4px;
}
.news-card-actions .related-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s;
  background: var(--action);
  color: #fff;
}
.news-card-actions .related-link:hover {
  background: #e65c00;
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3);
  transform: translateY(-1px);
}
.news-card-actions .related-link.secondary {
  background: transparent;
  color: var(--action);
  border: 1px solid var(--line);
}
.news-card-actions .related-link.secondary:hover {
  background: rgba(249, 115, 22, 0.06);
  border-color: var(--action);
}

/* Pagination — tech pills */
.news-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.news-pagination a {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s;
}
.news-pagination a:hover {
  border-color: var(--action);
  color: var(--action);
  background: rgba(249, 115, 22, 0.04);
}
.news-pagination a[aria-current="page"] {
  border-color: var(--action);
  background: var(--action);
  color: #fff;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

/* Article detail hero */
.container.narrow {
  max-width: 860px;
}
.news-article-hero h1 {
  max-width: 920px;
  margin-top: 18px;
  font-size: clamp(24px, 3.5vw, 40px);
  text-transform: none;
  line-height: 1.15;
}
.article-deck {
  max-width: 780px;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.7;
}

/* Analysis blocks — glass cards */
.news-analysis .narrow {
  display: grid;
  gap: 24px;
}
.analysis-block,
.analysis-method {
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.analysis-block:hover,
.analysis-method:hover {
  border-color: rgba(249, 115, 22, 0.15);
  box-shadow: 0 8px 32px rgba(2, 6, 23, 0.05);
}
.analysis-block h2,
.analysis-method h2 {
  margin-top: 0;
  font-family: var(--font-display);
}
.analysis-block p,
.analysis-block li,
.analysis-method p,
.source-block blockquote {
  color: var(--muted);
  line-height: 1.8;
}
.action-block {
  border-color: rgba(249, 115, 22, 0.2);
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.02), rgba(255, 255, 255, 0.85));
}
.source-block blockquote {
  margin: 16px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--route-blue);
  border-radius: 0 8px 8px 0;
  background: rgba(56, 189, 248, 0.03);
  font-style: normal;
}
.analysis-method {
  background: rgba(248, 250, 252, 0.8);
}
.news-empty {
  padding: 48px 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  text-align: center;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
}

/* Mobile */
@media (max-width: 640px) {
  .news-card-actions,
  .article-cta {
    align-items: stretch;
    flex-direction: column;
  }
  .news-card-actions a,
  .article-cta a {
    text-align: center;
    justify-content: center;
  }
  .server-news-grid .news-card {
    padding: 18px;
  }
}

/* Social links */
.social-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 50%;
  color: #334155;
  transition: background 180ms, color 180ms, transform 180ms;
}

.social-link:hover {
  background: var(--action);
  border-color: var(--action);
  color: white;
  transform: translateY(-2px);
}

.social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.footer-social .social-link {
  width: 34px;
  height: 34px;
  border-color: rgba(255, 255, 255, 0.18);
  color: #aebacc;
}

.footer-social .social-link:hover {
  background: var(--action);
  border-color: var(--action);
  color: white;
}

.contact-info-grid {
  display: grid;
  gap: 12px;
}

.contact-info-item {
  display: grid;
  gap: 4px;
  padding: 18px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--radius);
  background: white;
}

.contact-info-item strong {
  color: var(--navy-900);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-info-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.wechat-qr {
  display: block;
  width: 160px;
  height: 160px;
  object-fit: contain;
  border-radius: var(--radius);
  border: 1px solid rgba(15, 23, 42, 0.1);
  margin-top: 8px;
}

@media (max-width: 960px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .social-row {
    flex-wrap: wrap;
  }
}

/* Premium CTA button */
.button-premium {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 28px;
  border: 1px solid rgba(246, 196, 83, 0.4);
  border-radius: 999px;
  background: linear-gradient(135deg, #f6c453, #f59e0b, #f97316);
  color: #1a1a2e;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 250ms ease, box-shadow 250ms ease;
  box-shadow: 0 4px 20px rgba(246, 196, 83, 0.3), 0 0 40px rgba(249, 115, 22, 0.15);
  text-decoration: none;
}

.button-premium::before {
  content: "→";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  font-size: 16px;
  font-weight: 800;
  transition: transform 250ms ease, background 250ms ease;
}

.button-premium:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(246, 196, 83, 0.45), 0 0 60px rgba(249, 115, 22, 0.2);
}

.button-premium:hover::before {
  transform: translateX(3px);
  background: rgba(255, 255, 255, 0.4);
}

.button-premium:active {
  transform: translateY(0) scale(0.98);
}

.button-premium::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 600ms ease;
}

.button-premium:hover::after {
  transform: translateX(100%);
}

.footer-premium-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid rgba(246, 196, 83, 0.3);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(246, 196, 83, 0.08), rgba(249, 115, 22, 0.08));
  color: var(--gold) !important;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background 200ms, transform 200ms;
  margin-top: 10px;
}

.footer-premium-link::before {
  content: "→";
  transition: transform 200ms;
}

.footer-premium-link:hover {
  background: linear-gradient(135deg, rgba(246, 196, 83, 0.2), rgba(249, 115, 22, 0.2));
  transform: translateX(2px);
}

/* Immersive navigation enhancement. The existing inline navigation remains
   the fallback until the enhancement bundle marks the page ready. */
.immersive-ready [data-header-utility] {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.immersive-ready .site-nav {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  max-height: none;
  align-content: center;
  gap: 12px;
  padding: clamp(96px, 12vw, 168px) max(24px, 8vw);
  color: #d5e0ff;
  background: rgba(2, 10, 25, 0.985);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 320ms ease, transform 320ms ease, visibility 320ms ease;
}

.immersive-ready .site-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.immersive-ready .site-nav > .nav-link,
.immersive-ready .site-nav > .nav-item > .nav-parent {
  font-family: var(--font-display);
  font-size: var(--sm-menu-title-size);
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.immersive-ready .site-nav .dropdown {
  display: none;
}

.immersive-ready .nav-toggle {
  position: relative;
  z-index: 75;
  display: inline-flex;
}

@media (max-width: 767px), (pointer: coarse) {
  .immersive-ready [data-header-utility] {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   SilverMount immersive system
   Signature: a living global supply network held inside a precision frame.
   -------------------------------------------------------------------------- */

:root {
  --sm-space: #020a19;
  --sm-space-soft: #06152a;
  --sm-panel: rgba(9, 25, 48, 0.78);
  --sm-panel-strong: rgba(5, 17, 35, 0.96);
  --sm-silver: #d5e0ff;
  --sm-silver-bright: #f1f5ff;
  --sm-text-secondary: #c3cee4;
  --sm-text-tertiary: #a8b8d2;
  --sm-silver-dim: var(--sm-text-secondary);
  --sm-line: rgba(213, 224, 255, 0.14);
  --sm-line-strong: rgba(213, 224, 255, 0.28);
  --sm-gold: #f6c453;
  --sm-gold-soft: rgba(246, 196, 83, 0.16);
  --sm-success: #60d394;
  --sm-danger: #ff8a65;
  --sm-bevel: 18px;
  --sm-max: 1440px;
  --sm-hero-title-size: clamp(52px, min(7.6vw, 11.5vh), 118px);
  --sm-hero-title-size-zh: clamp(46px, min(6.9vw, 10.4vh), 106px);
  --sm-section-title-size: clamp(40px, min(5.6vw, 8.5vh), 82px);
  --sm-menu-title-size: clamp(30px, min(3.8vw, 5.8vh), 58px);
  --sm-globe-glow: rgba(39, 119, 216, 0.28);
  --sm-pointer-x: 50%;
  --sm-pointer-y: 42%;
  --sm-page-progress: 0;
  --sm-scroll-y: 0px;
  --font-mono: ui-monospace, "SFMono-Regular", "Roboto Mono", Consolas, monospace;
}

html.sm-preflight {
  min-height: 100%;
  background: var(--sm-space);
}

html.sm-preflight body {
  min-height: 100vh;
  overflow: hidden;
  background: var(--sm-space);
}

html.sm-preflight .site-shell {
  opacity: 0;
}

html.sm-preflight body::before {
  content: "";
  position: fixed;
  inset: 16px;
  z-index: 118;
  border: 1px solid rgba(213, 224, 255, 0.16);
  background:
    linear-gradient(rgba(213, 224, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(213, 224, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 72% 46%, rgba(39, 119, 216, 0.22), transparent 34%);
  background-size: 64px 64px, 64px 64px, auto;
  pointer-events: none;
}

html.sm-preflight body::after {
  content: "SILVERMOUNT / GLOBAL SYSTEM";
  position: fixed;
  left: 50%;
  top: 50%;
  z-index: 119;
  color: var(--sm-text-secondary);
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.22em;
  transform: translate(-50%, -50%);
  animation: preflightSignal 1.1s ease-in-out infinite alternate;
  pointer-events: none;
}

.immersive-ready .site-shell {
  opacity: 1;
  transition: opacity 360ms ease;
}

.immersive-ready body::before,
body[data-immersive-page="home"]::before {
  content: "";
  position: fixed;
  inset: 16px;
  z-index: 95;
  border: 1px solid var(--sm-line);
  pointer-events: none;
}

.immersive-ready .site-header {
  position: fixed;
  top: 16px;
  left: 16px;
  right: 16px;
  width: auto;
  z-index: 90;
  color: var(--sm-silver);
  border-bottom: 1px solid var(--sm-line);
  background: linear-gradient(180deg, rgba(2, 10, 25, 0.92), rgba(2, 10, 25, 0.54));
  backdrop-filter: blur(18px);
}

.immersive-ready .site-header::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 16px;
  background: var(--sm-space);
}

.immersive-ready .header-inner {
  width: 100%;
  max-width: none;
  min-height: 74px;
  padding-inline: clamp(18px, 2.4vw, 38px);
}

.immersive-ready .brand img {
  width: 40px;
  height: 40px;
  border-radius: 0;
  box-shadow: none;
}

.immersive-ready .brand-name strong {
  color: var(--sm-silver-bright);
  font-size: 19px;
  letter-spacing: 0.08em;
}

.immersive-ready .brand-name span {
  color: var(--sm-text-tertiary);
}

.immersive-ready [data-header-utility] a {
  color: var(--sm-text-secondary);
  transition: color 180ms ease;
}

.immersive-ready [data-header-utility] a:hover {
  color: var(--sm-gold);
}

.immersive-ready .nav-toggle {
  width: 46px;
  height: 46px;
  color: var(--sm-space);
  border: 0;
  border-radius: 0;
  background: var(--sm-silver);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.immersive-ready .nav-toggle::after {
  content: "MENU";
  position: absolute;
  right: calc(100% + 14px);
  color: var(--sm-text-tertiary);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.16em;
}

.immersive-ready .site-nav {
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.35fr);
  align-content: end;
  gap: 0 8vw;
  row-gap: clamp(6px, 1.1vh, 12px);
  padding: 132px clamp(30px, 8vw, 128px) 72px;
  background:
    linear-gradient(var(--sm-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--sm-line) 1px, transparent 1px),
    var(--sm-space);
  background-size: 80px 80px;
}

.immersive-ready .site-nav::before {
  content: "GLOBAL SOURCING / HANDAN, CHINA";
  position: absolute;
  left: clamp(30px, 8vw, 128px);
  top: 118px;
  color: var(--sm-gold);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.17em;
}

.immersive-ready .site-nav > .nav-link,
.immersive-ready .site-nav > .nav-item,
.immersive-ready .site-nav > .nav-cta {
  grid-column: 1;
  width: fit-content;
  color: var(--sm-silver);
}

.immersive-ready .site-nav > .nav-link,
.immersive-ready .site-nav > .nav-item > .nav-parent {
  position: relative;
  font-size: var(--sm-menu-title-size);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.035em;
  transition: color 220ms ease, transform 220ms ease;
}

.immersive-ready .site-nav [data-menu-index] {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 16px;
  row-gap: 3px;
  align-items: center;
  min-height: 0;
  padding: 5px 0;
  background: transparent;
}

.immersive-ready .site-nav [data-menu-index]::before {
  content: attr(data-menu-index);
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 0.8em;
  color: var(--sm-gold);
  font: 700 9px/1 var(--font-mono);
  letter-spacing: 0.1em;
  border-top: 1px solid var(--sm-line-strong);
}

.immersive-ready .site-nav .menu-label {
  grid-column: 2;
  color: inherit;
  font-family: var(--font-display);
  font-size: var(--sm-menu-title-size);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.immersive-ready .site-nav .menu-meta {
  grid-column: 2;
  color: var(--sm-text-tertiary);
  font-family: var(--font-mono);
  font-size: clamp(9px, 0.72vw, 11px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.immersive-ready .site-nav .is-active .menu-label {
  color: var(--sm-gold);
}

.immersive-ready .site-nav > .nav-item > .nav-parent {
  color: var(--sm-silver);
}

.immersive-ready .site-nav > .nav-link:hover,
.immersive-ready .site-nav > .nav-item > .nav-parent:hover {
  color: var(--sm-gold);
  transform: translateX(12px);
}

.immersive-ready .site-nav > .nav-cta {
  grid-column: 2;
  grid-row: 1 / span 4;
  align-self: end;
  min-width: 250px;
  padding: 24px;
  color: var(--sm-space);
  background: var(--sm-gold);
  border: 0;
  border-radius: 0;
  font: 800 12px/1 var(--font-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  clip-path: polygon(0 16px, 16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.immersive-ready .site-nav .language-switch {
  grid-column: 2;
  grid-row: 5;
  align-self: end;
  justify-self: start;
  margin: 20px 0 0;
}

.brand-loader {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  color: var(--sm-silver);
  background:
    radial-gradient(circle at center, rgba(19, 66, 119, 0.22), transparent 38%),
    var(--sm-space);
}

.brand-loader[hidden] {
  display: none;
}

.brand-loader__lockup {
  display: grid;
  justify-items: center;
  gap: 18px;
  font-family: var(--font-display);
  font-size: clamp(25px, 4vw, 54px);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-loader__lockup img {
  width: clamp(66px, 8vw, 112px);
  filter: drop-shadow(0 0 34px rgba(246, 196, 83, 0.24));
}

.brand-loader__lockup i {
  display: block;
  width: min(52vw, 420px);
  height: 1px;
  background: var(--sm-gold);
  transform-origin: left;
}

.page-transition {
  position: fixed;
  inset: 0;
  z-index: 110;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  background:
    linear-gradient(var(--sm-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--sm-line) 1px, transparent 1px),
    var(--sm-space);
  background-size: 80px 80px;
}

body[data-immersive-page="home"] {
  color: var(--sm-silver);
  background: var(--sm-space);
}

body[data-immersive-page="home"] .site-shell {
  position: relative;
  background:
    linear-gradient(var(--sm-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--sm-line) 1px, transparent 1px),
    var(--sm-space);
  background-size: 80px 80px;
}

body[data-immersive-page="home"] .container {
  width: min(var(--sm-max), calc(100% - clamp(44px, 8vw, 128px)));
}

body[data-immersive-page="home"] .hero {
  position: relative;
  min-height: 100svh;
  overflow: clip;
  background: transparent;
}

body[data-immersive-page="home"] .hero-media,
body[data-immersive-page="home"] .hero-orbits {
  display: none;
}

.hero-scene,
.hero-scene__fallback {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-scene canvas,
.hero-globe-static {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-scene__fallback {
  visibility: hidden;
  opacity: 0;
  transition: opacity 280ms ease, visibility 0s linear 280ms;
  will-change: opacity;
}

.motion-static .hero-scene {
  display: none;
}

.scene-fallback .hero-scene__fallback,
.motion-static .hero-scene__fallback {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.hero-globe-static__body {
  transform: translate(340px, -12px) scale(1.1);
  transform-origin: center;
}

.hero-globe-static__stars {
  opacity: 0.42;
}

.hero-globe-static__mesh {
  opacity: 0.38;
}

.hero-globe-static__routes {
  stroke: #78a9e8;
  stroke-width: 2.2;
  opacity: 0.7;
}

@media (max-aspect-ratio: 3 / 2) {
  .hero-globe-static__body {
    transform: translate(185px, -10px) scale(1.02);
  }
}

@media (max-aspect-ratio: 11 / 10) {
  .hero-globe-static__body {
    transform: translate(0, -70px) scale(0.92);
  }
}

body[data-immersive-page="home"] .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 72% 43%, var(--sm-globe-glow), transparent 38%),
    linear-gradient(90deg, rgba(2, 10, 25, 0.94) 0%, rgba(2, 10, 25, 0.72) 34%, rgba(2, 10, 25, 0.36) 66%, rgba(2, 10, 25, 0.42) 100%),
    linear-gradient(0deg, rgba(2, 10, 25, 0.7), transparent 42%);
  pointer-events: none;
}

body[data-immersive-page="home"] .hero-content {
  position: relative;
  z-index: 2;
  min-height: 100svh;
  display: grid;
  align-content: end;
  padding-block: 154px 54px;
}

body[data-immersive-page="home"] .story-index {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  margin-bottom: clamp(26px, 4vh, 52px);
  color: var(--sm-gold);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

body[data-immersive-page="home"] .story-index::before {
  content: "";
  width: 42px;
  height: 1px;
  background: currentColor;
}

body[data-immersive-page="home"] .hero-brand-lockup {
  display: none;
}

body[data-immersive-page="home"] .hero .eyebrow {
  width: fit-content;
  padding: 8px 11px;
  color: var(--sm-silver);
  border: 1px solid var(--sm-line-strong);
  border-radius: 0;
  background: rgba(2, 10, 25, 0.5);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

body[data-immersive-page="home"] .hero h1 {
  max-width: 980px;
  margin: 22px 0 22px;
  color: var(--sm-silver-bright);
  font-size: var(--sm-hero-title-size);
  font-weight: 600;
  line-height: 0.88;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

body.lang-zh[data-immersive-page="home"] .hero h1 {
  font-size: var(--sm-hero-title-size-zh);
  line-height: 0.94;
  letter-spacing: -0.035em;
}

body[data-immersive-page="home"] .hero-copy {
  max-width: 680px;
  color: var(--sm-text-secondary);
  font-size: clamp(15px, 1.35vw, 19px);
  line-height: 1.55;
  text-shadow: 0 2px 22px rgba(2, 10, 25, 0.92);
}

body[data-immersive-page="home"] .button {
  min-height: 50px;
  padding: 0 24px;
  color: var(--sm-space);
  border: 1px solid var(--sm-gold);
  border-radius: 0;
  background: var(--sm-gold);
  box-shadow: none;
  font: 800 11px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 220ms ease, background 220ms ease, transform 220ms ease;
}

body[data-immersive-page="home"] .button:hover {
  color: var(--sm-gold);
  background: transparent;
  transform: translateY(-2px);
}

body[data-immersive-page="home"] .button.secondary,
body[data-immersive-page="home"] .button.light {
  color: var(--sm-silver);
  border-color: var(--sm-line-strong);
  background: rgba(2, 10, 25, 0.3);
}

body[data-immersive-page="home"] .hero-quick {
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(42px, 7vh, 82px);
  border: 1px solid var(--sm-line);
  background: rgba(2, 10, 25, 0.42);
  backdrop-filter: none;
}

body[data-immersive-page="home"] .quick-card {
  min-height: 116px;
  padding: 20px;
  border: 0;
  border-right: 1px solid var(--sm-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

body[data-immersive-page="home"] .quick-card:last-child {
  border-right: 0;
}

body[data-immersive-page="home"] .quick-card strong {
  color: var(--sm-silver-bright);
  font: 700 12px/1.2 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

body[data-immersive-page="home"] .quick-card span {
  color: var(--sm-text-secondary);
  line-height: 1.45;
}

body[data-immersive-page="home"] .story-section,
body[data-immersive-page="home"] .section.soft,
body[data-immersive-page="home"] .section.dark {
  position: relative;
  z-index: 2;
  isolation: isolate;
  min-height: min(980px, 105svh);
  padding-block: clamp(110px, 14vw, 210px);
  color: var(--sm-silver);
  border-top: 1px solid var(--sm-line);
  background: transparent;
  backdrop-filter: none;
}

body[data-immersive-page="home"] .story-section::before,
body[data-immersive-page="home"] .section.soft::before,
body[data-immersive-page="home"] .section.dark::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 10, 25, 0.8) 0%, rgba(2, 10, 25, 0.62) 28%, rgba(2, 10, 25, 0.18) 56%, rgba(2, 10, 25, 0.34) 76%, rgba(2, 10, 25, 0.72) 100%),
    linear-gradient(180deg, rgba(2, 10, 25, 0.62) 0%, rgba(2, 10, 25, 0.12) 22%, rgba(2, 10, 25, 0.1) 76%, rgba(2, 10, 25, 0.68) 100%);
  pointer-events: none;
}

body[data-immersive-page="home"] .section.soft {
  min-height: auto;
}

body[data-immersive-page="home"] .section.soft::before {
  background:
    radial-gradient(circle at 62% 44%, rgba(36, 129, 255, 0.09), transparent 34%),
    linear-gradient(90deg, rgba(4, 16, 34, 0.82) 0%, rgba(4, 16, 34, 0.58) 30%, rgba(2, 10, 25, 0.18) 57%, rgba(4, 16, 34, 0.4) 78%, rgba(4, 16, 34, 0.78) 100%),
    linear-gradient(180deg, rgba(4, 16, 34, 0.68), rgba(4, 16, 34, 0.12) 24%, rgba(4, 16, 34, 0.14) 76%, rgba(4, 16, 34, 0.72));
}

body[data-immersive-page="home"] .section-head {
  margin-bottom: clamp(50px, 7vw, 96px);
}

body[data-immersive-page="home"] .section-kicker,
body[data-immersive-page="home"] .card-label,
body[data-immersive-page="home"] .step-number,
body[data-immersive-page="home"] .signal-card > span {
  color: var(--sm-gold);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

body[data-immersive-page="home"] .section h2 {
  max-width: 1000px;
  color: var(--sm-silver-bright);
  font-size: var(--sm-section-title-size);
  font-weight: 600;
  line-height: 0.94;
  letter-spacing: -0.055em;
  text-wrap: balance;
  text-shadow: 0 4px 28px rgba(2, 10, 25, 0.78);
}

body[data-immersive-page="home"] .section-lede {
  color: var(--sm-text-secondary);
  font-size: 16px;
  text-shadow: 0 3px 18px rgba(2, 10, 25, 0.92);
}

body[data-immersive-page="home"] .grid.three {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--sm-line);
  background: var(--sm-line);
}

body[data-immersive-page="home"] .category-card,
body[data-immersive-page="home"] .process-step {
  min-height: 270px;
  padding: 26px;
  color: var(--sm-silver);
  border: 0;
  border-radius: 0;
  background: rgba(5, 17, 35, 0.72);
  box-shadow: none;
  transition: color 240ms ease, background 240ms ease, transform 240ms ease;
}

body[data-immersive-page="home"] .category-card:hover {
  color: var(--sm-space);
  background: var(--sm-silver);
  transform: translateY(-6px);
}

body[data-immersive-page="home"] .category-card h3,
body[data-immersive-page="home"] .process-step h3 {
  color: inherit;
  font-size: clamp(22px, 2vw, 31px);
  line-height: 1.05;
}

body[data-immersive-page="home"] .category-card p,
body[data-immersive-page="home"] .process-step p,
body[data-immersive-page="home"] .proof-list,
body[data-immersive-page="home"] .cta-band p {
  color: var(--sm-text-secondary);
}

body[data-immersive-page="home"] .category-card:hover p,
body[data-immersive-page="home"] .category-card:hover .card-label {
  color: #26344b;
}

body[data-immersive-page="home"] .tag-list span {
  color: var(--sm-text-tertiary);
  border-color: var(--sm-line-strong);
  background: transparent;
}

body[data-immersive-page="home"] .four-process.grid.three {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

body[data-immersive-page="home"] .process-step {
  min-height: 330px;
}

body[data-immersive-page="home"] .step-number {
  width: auto;
  height: auto;
  color: var(--sm-gold);
  background: transparent;
}

body[data-immersive-page="home"] .proof-list li {
  color: var(--sm-text-secondary);
  border-color: var(--sm-line-strong);
  background: var(--sm-panel-strong);
}

.intelligence-section {
  overflow: hidden;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 32px;
  border: 1px solid var(--sm-line);
  background: var(--sm-line);
}

.signal-card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  background: rgba(5, 17, 35, 0.72);
}

.signal-card h3 {
  max-width: 340px;
  margin: 0;
  color: var(--sm-silver-bright);
  font-size: clamp(24px, 2.4vw, 38px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

body[data-immersive-page="home"] .cta-band {
  min-height: 360px;
  padding: clamp(30px, 5vw, 72px);
  color: var(--sm-space);
  border: 0;
  border-radius: 0;
  background: var(--sm-silver);
  box-shadow: none;
  clip-path: polygon(0 28px, 28px 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

body[data-immersive-page="home"] .cta-band h2,
body[data-immersive-page="home"] .cta-band p {
  color: var(--sm-space);
}

body[data-immersive-page="home"] .cta-band .button {
  color: var(--sm-silver);
  border-color: var(--sm-space);
  background: var(--sm-space);
}

body[data-immersive-page="home"] .site-footer {
  position: relative;
  z-index: 3;
  border-top: 1px solid var(--sm-line);
  background: var(--sm-space);
}

body[data-immersive-page="home"] .site-footer .footer-grid a,
body[data-immersive-page="home"] .site-footer .footer-grid p {
  color: var(--sm-text-secondary);
}

/* Sitewide network atmosphere: lightweight on inner pages, layered under the
   WebGL globe on the homepage. */
.site-atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at var(--sm-pointer-x) var(--sm-pointer-y), rgba(35, 105, 188, 0.2), transparent 25%),
    linear-gradient(145deg, #020a19, #06152a 56%, #020a19);
  pointer-events: none;
}

.site-shell {
  position: relative;
  z-index: 1;
}

.site-atmosphere__grid,
.site-atmosphere__scanner,
.site-atmosphere__cursor,
.site-atmosphere__rail,
.site-atmosphere__node,
.site-atmosphere__progress {
  position: absolute;
  display: block;
}

.site-atmosphere__grid {
  inset: -12%;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(143, 191, 255, 0.085) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 191, 255, 0.085) 1px, transparent 1px);
  background-size: 72px 72px;
  transform: translate3d(0, calc(var(--sm-scroll-y) * -0.035), 0) rotate(-1deg);
  will-change: transform;
}

.site-atmosphere__scanner {
  left: 0;
  right: 0;
  height: 26vh;
  background: linear-gradient(180deg, transparent, rgba(81, 157, 243, 0.08), rgba(246, 196, 83, 0.035), transparent);
  animation: atmosphereScan 9s linear infinite;
}

.site-atmosphere__cursor {
  left: var(--sm-pointer-x);
  top: var(--sm-pointer-y);
  width: min(48vw, 680px);
  aspect-ratio: 1;
  border: 1px solid rgba(120, 169, 232, 0.07);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 143, 245, 0.08), transparent 64%);
  transform: translate(-50%, -50%);
  transition: left 220ms ease-out, top 220ms ease-out;
}

.site-atmosphere__rail {
  width: 68vw;
  height: 28vw;
  border: 1px solid rgba(120, 169, 232, 0.14);
  border-radius: 50%;
  transform: rotate(-18deg);
}

.site-atmosphere__rail--one { right: -16vw; top: 18vh; }
.site-atmosphere__rail--two { left: -28vw; bottom: -7vh; transform: rotate(24deg); }

.site-atmosphere__node {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sm-gold);
  box-shadow: 0 0 0 8px rgba(246, 196, 83, 0.06), 0 0 26px rgba(246, 196, 83, 0.72);
  animation: atmosphereNode 3.6s ease-in-out infinite;
}

.site-atmosphere__node--one { left: 12%; top: 28%; }
.site-atmosphere__node--two { right: 18%; top: 20%; animation-delay: -0.9s; }
.site-atmosphere__node--three { left: 34%; bottom: 16%; animation-delay: -1.8s; }
.site-atmosphere__node--four { right: 7%; bottom: 31%; animation-delay: -2.7s; }

.site-atmosphere__progress {
  right: 16px;
  top: 16px;
  width: 2px;
  height: calc(100% - 32px);
  background: linear-gradient(180deg, var(--sm-gold), #4f9df3);
  box-shadow: 0 0 14px rgba(79, 157, 243, 0.48);
  transform: scaleY(var(--sm-page-progress));
  transform-origin: top;
}

body[data-immersive-page="home"] > .site-atmosphere {
  opacity: 0.44;
}

.tech-atmosphere-ready body:not([data-immersive-page="home"]) .page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: min(620px, 72svh);
  display: grid;
  align-items: center;
  padding-top: clamp(136px, 13vw, 196px);
  background:
    linear-gradient(90deg, rgba(2, 10, 25, 0.94), rgba(2, 10, 25, 0.5) 62%, rgba(2, 10, 25, 0.86)),
    radial-gradient(circle at var(--sm-pointer-x) var(--sm-pointer-y), rgba(47, 143, 245, 0.3), transparent 32%);
}

.tech-atmosphere-ready body:not([data-immersive-page="home"]) .page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(213, 224, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(213, 224, 255, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 38%, #000);
  mask-image: linear-gradient(90deg, transparent, #000 38%, #000);
  transform: translateY(calc(var(--sm-scroll-y) * -0.045));
}

.tech-atmosphere-ready body:not([data-immersive-page="home"]) .section:not(.dark) {
  position: relative;
  background-color: rgba(248, 250, 252, 0.965);
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.028) 1px, transparent 1px);
  background-size: 56px 56px;
}

.tech-atmosphere-ready .product-module,
.tech-atmosphere-ready .table-row,
.tech-atmosphere-ready .panel,
.tech-atmosphere-ready .contact-card,
.tech-atmosphere-ready .news-card,
.tech-atmosphere-ready .analysis-block {
  transition: transform 280ms ease, border-color 280ms ease, box-shadow 280ms ease;
}

.tech-atmosphere-ready .product-module:hover,
.tech-atmosphere-ready .table-row:hover,
.tech-atmosphere-ready .panel:hover,
.tech-atmosphere-ready .contact-card:hover,
.tech-atmosphere-ready .news-card:hover,
.tech-atmosphere-ready .analysis-block:hover {
  border-color: rgba(56, 142, 232, 0.32);
  box-shadow: 0 18px 54px rgba(5, 26, 57, 0.13), 0 0 0 1px rgba(79, 157, 243, 0.06);
  transform: translateY(-4px);
}

.immersive-ready [data-tech-reveal] {
  opacity: 0;
  transform: translateY(34px);
}

.immersive-ready [data-tech-reveal].is-revealed,
.motion-static [data-tech-reveal] {
  opacity: 1;
  transform: none;
}

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

[data-reveal].is-revealed,
.motion-static [data-reveal] {
  opacity: 1;
  transform: none;
}

@supports (clip-path: polygon(0 0)) {
  body[data-immersive-page="home"] .quick-card,
  body[data-immersive-page="home"] .category-card,
  body[data-immersive-page="home"] .signal-card,
  body[data-immersive-page="home"] .button {
    clip-path: polygon(0 var(--sm-bevel), var(--sm-bevel) 0, 100% 0, 100% calc(100% - var(--sm-bevel)), calc(100% - var(--sm-bevel)) 100%, 0 100%);
  }
}

@keyframes preflightSignal {
  from { opacity: 0.38; letter-spacing: 0.18em; }
  to { opacity: 1; letter-spacing: 0.24em; }
}

@keyframes atmosphereScan {
  from { transform: translateY(-30vh); }
  to { transform: translateY(120vh); }
}

@keyframes atmosphereNode {
  0%, 100% { opacity: 0.38; transform: scale(0.82); }
  50% { opacity: 1; transform: scale(1.24); }
}

@media (max-height: 760px) and (min-width: 768px) {
  :root {
    --sm-hero-title-size: clamp(50px, min(6.8vw, 10vh), 82px);
    --sm-hero-title-size-zh: clamp(45px, min(6.1vw, 9vh), 74px);
    --sm-menu-title-size: clamp(36px, min(5vw, 8.2vh), 64px);
  }

  body[data-immersive-page="home"] .hero-content {
    padding-block: 118px 28px;
  }

  body[data-immersive-page="home"] .story-index {
    margin-bottom: 18px;
  }

  body[data-immersive-page="home"] .hero h1 {
    margin-block: 16px;
  }

  body[data-immersive-page="home"] .hero-quick {
    margin-top: 26px;
  }
}

@media (max-width: 1023px) {
  .immersive-ready .site-nav {
    grid-template-columns: 1fr;
    align-content: center;
    padding: 112px 32px 48px;
  }

  .immersive-ready .site-nav::before {
    top: 82px;
  }

  .immersive-ready .site-nav > .nav-cta,
  .immersive-ready .site-nav .language-switch {
    grid-column: 1;
    grid-row: auto;
    margin-top: 18px;
  }

  body[data-immersive-page="home"] .hero-quick,
  body[data-immersive-page="home"] .grid.three,
  body[data-immersive-page="home"] .four-process.grid.three,
  .signal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-immersive-page="home"] .quick-card:nth-child(2) {
    border-right: 0;
  }
}

@media (max-width: 767px), (pointer: coarse) {
  :root {
    --sm-hero-title-size: clamp(42px, min(13vw, 8.5vh), 68px);
    --sm-hero-title-size-zh: clamp(40px, min(11.7vw, 7.8vh), 61px);
    --sm-section-title-size: clamp(38px, min(11vw, 7.5vh), 58px);
    --sm-menu-title-size: clamp(34px, min(10.5vw, 6.8vh), 54px);
  }

  .immersive-ready body::before,
  body[data-immersive-page="home"]::before {
    inset: 8px;
  }

  .immersive-ready .site-header {
    top: 8px;
    left: 8px;
    right: 8px;
  }

  .immersive-ready .site-header::before {
    height: 8px;
  }

  .immersive-ready .header-inner {
    min-height: 64px;
    gap: 10px;
    padding-inline: 14px;
  }

  .immersive-ready .brand {
    min-width: 0;
    gap: 10px;
  }

  .immersive-ready .brand img {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
  }

  .immersive-ready .brand-name {
    min-width: 0;
  }

  .immersive-ready .brand-name strong {
    font-size: clamp(15px, 4.5vw, 18px);
    letter-spacing: 0.05em;
    white-space: nowrap;
  }

  .immersive-ready .nav-toggle {
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
  }

  .immersive-ready .brand-name span,
  .immersive-ready .nav-toggle::after {
    display: none;
  }

  .immersive-ready .site-nav {
    inset: 8px;
    padding: 96px 24px 34px;
    background-size: 48px 48px;
    align-content: start;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .immersive-ready .site-nav::before {
    top: 82px;
    left: 24px;
  }

  .immersive-ready .site-nav > .nav-link,
  .immersive-ready .site-nav > .nav-item > .nav-parent {
    font-size: var(--sm-menu-title-size);
  }

  .container {
    width: calc(100% - 32px);
    min-width: 0;
  }

  .tech-atmosphere-ready body:not([data-immersive-page="home"]) .page-hero {
    min-height: auto;
    align-items: end;
    padding: 116px 0 52px;
  }

  .page-hero .container,
  .page-hero .container > * {
    min-width: 0;
    max-width: 100%;
  }

  .page-hero h1,
  .compact-hero h1,
  body.lang-zh .page-hero h1 {
    max-width: 100%;
    margin: 18px 0 16px;
    font-size: clamp(34px, 10.2vw, 44px);
    line-height: 1.12;
    letter-spacing: -0.025em;
  }

  .page-hero p,
  .compact-hero p {
    max-width: 100%;
    margin-bottom: 0;
    font-size: 15px;
    line-height: 1.72;
  }

  .compact-hero .eyebrow {
    max-width: 100%;
    padding: 6px 12px;
    font-size: 11px;
    letter-spacing: 0.06em;
  }

  .immersive-ready [data-tech-reveal] {
    opacity: 1;
    transform: none;
  }

  body[data-immersive-page="home"] .container {
    width: calc(100% - 40px);
  }

  body[data-immersive-page="home"] .hero-content {
    padding-block: 118px 24px;
  }

  body[data-immersive-page="home"] .hero h1 {
    max-width: 10ch;
    font-size: var(--sm-hero-title-size);
  }

  body[data-immersive-page="home"] .hero-copy {
    max-width: 94%;
    font-size: 15px;
  }

  body[data-immersive-page="home"] .hero-quick,
  body[data-immersive-page="home"] .grid.three,
  body[data-immersive-page="home"] .four-process.grid.three,
  .signal-grid {
    grid-template-columns: 1fr;
  }

  body[data-immersive-page="home"] .quick-card {
    min-height: 90px;
    border-right: 0;
    border-bottom: 1px solid var(--sm-line);
  }

  body[data-immersive-page="home"] .quick-card:last-child {
    border-bottom: 0;
  }

  body[data-immersive-page="home"] .story-section,
  body[data-immersive-page="home"] .section.soft,
  body[data-immersive-page="home"] .section.dark {
    min-height: auto;
    padding-block: 100px;
  }

  body[data-immersive-page="home"] .section-head {
    display: grid;
    gap: 24px;
    margin-bottom: 46px;
  }

  body[data-immersive-page="home"] .section h2 {
    font-size: var(--sm-section-title-size);
  }

  body[data-immersive-page="home"] .category-card,
  body[data-immersive-page="home"] .process-step,
  .signal-card {
    min-height: 220px;
  }

  body[data-immersive-page="home"] .cta-band {
    min-height: 430px;
    align-items: end;
  }
}

@media (max-height: 700px) and (pointer: coarse) {
  :root {
    --sm-menu-title-size: clamp(27px, min(8.5vw, 5.6vh), 36px);
  }

  .immersive-ready .site-nav {
    align-content: start;
    row-gap: 2px;
    padding: 72px 20px 18px;
    overflow-y: auto;
  }

  .immersive-ready .site-nav::before {
    top: 54px;
    left: 20px;
    font-size: 8px;
    letter-spacing: 0.12em;
  }

  .immersive-ready .site-nav [data-menu-index] {
    grid-template-columns: 28px minmax(0, 1fr);
    grid-template-rows: auto;
    column-gap: 10px;
    padding: 2px 0;
  }

  .immersive-ready .site-nav [data-menu-index]::before {
    padding-top: 0.55em;
    font-size: 8px;
  }

  .immersive-ready .site-nav .menu-meta {
    display: none;
  }

  .immersive-ready .site-nav .language-switch {
    min-height: 34px;
    margin-top: 8px;
  }

  .immersive-ready .site-nav > .nav-cta {
    min-width: 0;
    margin-top: 8px;
    padding: 16px 18px;
  }
}

@media (max-width: 360px) and (max-height: 640px) {
  body[data-immersive-page="home"] .hero-content {
    align-content: start;
    padding-block: 112px 20px;
  }

  body[data-immersive-page="home"] .story-index {
    margin-bottom: 14px;
  }

  body[data-immersive-page="home"] .hero h1 {
    margin-block: 12px;
  }

  body[data-immersive-page="home"] .hero-actions {
    order: 1;
    flex-wrap: nowrap;
    gap: 8px;
  }

  body[data-immersive-page="home"] .hero-actions .button {
    flex: 1 1 0;
    min-width: 0;
    padding-inline: 12px;
    font-size: 9px;
    letter-spacing: 0.08em;
  }

  body[data-immersive-page="home"] .hero-copy {
    order: 2;
    margin: 18px 0 0;
    font-size: 14px;
    line-height: 1.5;
  }

  body[data-immersive-page="home"] .hero-quick {
    order: 3;
    margin-top: 24px;
  }
}

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

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

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-scene {
    display: none;
  }

  .hero-scene__fallback {
    visibility: visible;
    opacity: 1;
  }
}