:root {
  --ink: #081522;
  --ink-soft: #334256;
  --muted: #6a788c;
  --line: #d9e3ee;
  --panel: #ffffff;
  --panel-muted: #f5f8fb;
  --blue: #156fb7;
  --blue-deep: #062d5d;
  --cyan: #6fd5ff;
  --orange: #f36b2a;
  --hero: #06111e;
  --radius: 8px;
  --shadow: 0 24px 60px rgba(8, 21, 34, 0.13);
  --shadow-soft: 0 12px 34px rgba(8, 21, 34, 0.08);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fbfdff;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

p {
  color: var(--ink-soft);
}

::selection {
  color: #fff;
  background: var(--blue);
}

:focus-visible {
  outline: 3px solid rgba(243, 107, 42, 0.42);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: #fff;
  border-radius: var(--radius);
  background: var(--blue-deep);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 clamp(24px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(220, 228, 238, 0.86);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(8, 21, 34, 0.04);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  min-width: 176px;
  height: 54px;
}

.brand img {
  width: 124px;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.brand span {
  color: var(--ink);
  font-size: 16px;
  font-weight: 850;
  line-height: 1;
  white-space: nowrap;
  transform: translateY(4px);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.site-nav a,
.nav-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 15px;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
  border: 0;
  background: transparent;
  font-family: inherit;
  appearance: none;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease;
}

.site-nav a::after,
.nav-trigger::after {
  position: absolute;
  right: 15px;
  bottom: 7px;
  left: 15px;
  height: 2px;
  content: "";
  background: var(--orange);
  opacity: 0;
  transform: scaleX(0.45);
  transform-origin: center;
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-nav a:hover,
.site-nav a.is-active,
.nav-trigger:hover,
.nav-trigger.is-active {
  color: var(--ink);
  background: rgba(21, 111, 183, 0.05);
}

.site-nav a:hover::after,
.site-nav a.is-active::after,
.nav-trigger:hover::after,
.nav-trigger.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-nav .language-link {
  min-height: 36px;
  margin-left: 8px;
  padding: 0 13px;
  color: var(--blue-deep);
  border: 1px solid rgba(21, 111, 183, 0.22);
  background: #f6fbff;
  font-size: 13px;
}

.site-nav .language-link::after {
  display: none;
}

.site-nav .language-link:hover {
  color: #fff;
  background: var(--blue-deep);
}

.product-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 60;
  display: grid;
  min-width: 210px;
  padding: 8px;
  border: 1px solid rgba(220, 228, 238, 0.92);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 44px rgba(8, 21, 34, 0.14);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.product-dropdown::before {
  position: absolute;
  top: -10px;
  right: 0;
  left: 0;
  height: 10px;
  content: "";
}

.nav-item:hover .product-dropdown,
.nav-item:focus-within .product-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-nav .product-dropdown a {
  min-height: 42px;
  padding: 0 12px;
  color: var(--ink-soft);
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;
}

.site-nav .product-dropdown a::after {
  display: none;
}

.site-nav .product-dropdown a:hover {
  color: var(--ink);
  background: rgba(21, 111, 183, 0.07);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 160ms ease, opacity 160ms ease;
}

body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-backdrop {
  position: fixed;
  inset: 76px 0 0;
  z-index: 35;
  background: rgba(8, 21, 34, 0.34);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

body.nav-open .nav-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.hero {
  position: relative;
  min-height: calc(100vh - 76px);
  overflow: hidden;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(236, 248, 255, 0.98) 0%, rgba(218, 239, 252, 0.94) 48%, rgba(198, 229, 248, 0.9) 100%),
    radial-gradient(circle at 80% 18%, rgba(111, 213, 255, 0.34), transparent 28%),
    radial-gradient(circle at 16% 78%, rgba(21, 111, 183, 0.14), transparent 34%),
    linear-gradient(135deg, rgba(21, 111, 183, 0.045) 0 1px, transparent 1px 58px),
    linear-gradient(45deg, rgba(111, 213, 255, 0.08) 0 1px, transparent 1px 72px),
    #dff2fd;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 96px;
  content: "";
  background: linear-gradient(to bottom, transparent, rgba(239, 248, 255, 0.88));
  pointer-events: none;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.38;
  mix-blend-mode: multiply;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
  gap: clamp(32px, 7vw, 94px);
  align-items: center;
  min-height: min(820px, calc(100vh - 76px));
  padding: 70px 0 92px;
}

.hero-copy {
  max-width: 760px;
}

.hero-title {
  white-space: nowrap;
  font-size: 56px;
}

.hero-title-en {
  white-space: normal;
  font-size: 40px;
  line-height: 1.18;
}

.hero-title-en span {
  display: block;
  white-space: nowrap;
}

h1 {
  margin-bottom: 20px;
  color: inherit;
  font-size: 68px;
  line-height: 1.08;
  font-weight: 850;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 42px;
  line-height: 1.18;
  font-weight: 820;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.3;
}

.hero-slogan {
  margin-bottom: 18px;
  color: var(--blue-deep);
  font-size: 34px;
  font-weight: 700;
}

.hero-text {
  max-width: 680px;
  margin-bottom: 32px;
  color: var(--ink-soft);
  font-size: 18px;
}

.hero-text-nowrap {
  max-width: none;
  white-space: nowrap;
}

.hero-text.narrow {
  max-width: 760px;
}

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

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
}

.hero-proof span {
  min-height: 78px;
  padding: 15px 16px;
  border: 1px solid rgba(21, 111, 183, 0.14);
  border-radius: var(--radius);
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(12px);
  box-shadow: 0 14px 34px rgba(8, 21, 34, 0.08);
}

.hero-proof strong {
  display: block;
  margin-bottom: 4px;
  color: var(--blue-deep);
  font-size: 17px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 750;
  box-shadow: 0 14px 32px rgba(8, 21, 34, 0.08);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 38px rgba(8, 21, 34, 0.14);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--orange), #df5420);
}

.button-secondary {
  color: var(--blue-deep);
  border-color: rgba(21, 111, 183, 0.22);
  background: rgba(255, 255, 255, 0.72);
}

.button-dark {
  color: #fff;
  background: linear-gradient(135deg, var(--ink), var(--blue-deep));
}

.hero-visual {
  position: relative;
  margin: 0;
  align-self: end;
}

.hero-products-visual {
  display: grid;
  align-self: center;
  justify-items: center;
  transform: translate(-24px, 18px);
}

.hero-visual::before {
  display: none;
}

.hero-visual img {
  position: relative;
  z-index: 1;
  width: min(100%, 520px);
  margin-left: auto;
  filter: drop-shadow(0 28px 42px rgba(8, 39, 66, 0.24));
}

.hero-products-visual img {
  width: min(114%, 585px);
  max-width: none;
  margin: 0;
}

.section {
  padding: clamp(72px, 9vw, 118px) 0;
}

.section-tight {
  padding: 44px 0;
}

.section-muted {
  background:
    linear-gradient(180deg, rgba(245, 248, 251, 0.95), rgba(245, 248, 251, 1)),
    radial-gradient(circle at 12% 8%, rgba(111, 213, 255, 0.12), transparent 30%);
}

.application-card,
.info-card,
.contact-aside,
.contact-main {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.72) inset;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 1.05fr);
  gap: clamp(32px, 6vw, 78px);
  align-items: center;
}

.split-reverse {
  grid-template-columns: minmax(340px, 1.05fr) minmax(0, 0.95fr);
}

.lead {
  color: var(--ink-soft);
  font-size: 18px;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin: 26px 0 30px;
}

.feature-list p {
  position: relative;
  margin: 0;
  padding-left: 24px;
}

.feature-list p::before {
  position: absolute;
  top: 11px;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  border-radius: 2px;
  background: var(--orange);
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  color: var(--blue-deep);
  font-weight: 800;
}

.text-link::after {
  content: "→";
  margin-left: 8px;
  color: var(--orange);
}

.image-panel {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #edf3f8;
  box-shadow: var(--shadow);
  isolation: isolate;
}

.image-panel img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  transition: transform 420ms ease, filter 420ms ease;
}

.image-panel:hover img {
  filter: saturate(1.03) contrast(1.02);
  transform: scale(1.018);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.application-card {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 38px);
  box-shadow: var(--shadow-soft);
}

.application-card::before,
.info-card::before,
.contact-main::before,
.contact-aside::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--blue), var(--orange));
}

.application-card,
.info-card,
.contact-main,
.contact-aside {
  position: relative;
  overflow: hidden;
}

.application-card p {
  margin-bottom: 22px;
}

.application-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.application-card li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-soft);
}

.application-card li::before {
  position: absolute;
  top: 11px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  border: 1px solid var(--blue);
  border-radius: 50%;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(60px, 7vw, 76px) 0 clamp(60px, 8vw, 92px);
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(236, 248, 255, 0.98) 0%, rgba(219, 240, 253, 0.95) 52%, rgba(201, 231, 249, 0.9) 100%),
    radial-gradient(circle at 84% 18%, rgba(111, 213, 255, 0.3), transparent 32%),
    radial-gradient(circle at 18% 72%, rgba(21, 111, 183, 0.12), transparent 30%),
    linear-gradient(135deg, rgba(21, 111, 183, 0.05) 0 1px, transparent 1px 56px),
    linear-gradient(45deg, rgba(111, 213, 255, 0.08) 0 1px, transparent 1px 70px),
    #dff2fd;
}

.page-hero::before {
  display: none;
}

.page-hero > .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  max-width: 860px;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.7fr);
  gap: clamp(26px, 6vw, 72px);
  align-items: center;
}

.page-product-image {
  margin: 0;
}

.page-product-image img {
  width: min(100%, 430px);
  margin-left: auto;
  filter: drop-shadow(0 28px 42px rgba(8, 39, 66, 0.22));
}

.product-feature {
  position: relative;
  overflow: hidden;
  padding: clamp(60px, 7vw, 76px) 0 clamp(60px, 8vw, 92px);
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(236, 248, 255, 0.98) 0%, rgba(219, 240, 253, 0.95) 50%, rgba(201, 231, 249, 0.91) 100%),
    radial-gradient(circle at 76% 18%, rgba(111, 213, 255, 0.3), transparent 34%),
    radial-gradient(circle at 16% 80%, rgba(21, 111, 183, 0.12), transparent 32%),
    linear-gradient(135deg, rgba(21, 111, 183, 0.05) 0 1px, transparent 1px 56px),
    linear-gradient(45deg, rgba(111, 213, 255, 0.08) 0 1px, transparent 1px 70px),
    #dff2fd;
}

.product-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
}

.product-feature h1,
.product-feature h2 {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 42px;
  line-height: 1.18;
  font-weight: 820;
  letter-spacing: 0;
}

.product-feature-copy {
  max-width: 780px;
}

.product-feature-copy p {
  color: var(--ink-soft);
}

.product-subtitle {
  margin-bottom: 18px;
  color: var(--blue-deep);
  font-size: 28px;
  font-weight: 780;
  line-height: 1.25;
}

.product-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.product-metrics article {
  min-height: 116px;
  padding: 18px;
  border: 1px solid rgba(21, 111, 183, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 16px 34px rgba(8, 21, 34, 0.08);
}

.product-metrics span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.product-metrics strong {
  display: block;
  color: var(--blue-deep);
  font-size: 23px;
  line-height: 1.18;
}

.product-feature-image {
  margin: 0;
}

.product-feature-image img {
  width: min(100%, 380px);
  margin-left: auto;
  filter: drop-shadow(0 28px 42px rgba(8, 39, 66, 0.24));
}

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

.product-cases-grid .application-card {
  padding: 26px;
}

.product-media-stack {
  display: grid;
  gap: 18px;
}

.image-panel-contain img {
  min-height: 0;
  padding: 26px;
  background: #fff;
  object-fit: contain;
}

.image-panel-small img {
  min-height: 210px;
}

.tech-stack {
  display: grid;
  gap: 14px;
}

.tech-stack article {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  align-items: center;
  min-height: 82px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 160ms ease, border-color 160ms ease;
}

.tech-stack article:hover {
  border-color: rgba(21, 111, 183, 0.28);
  transform: translateX(4px);
}

.tech-stack strong {
  color: var(--blue-deep);
  font-size: 24px;
}

.tech-stack span {
  color: var(--ink-soft);
}

.module-grid,
.industry-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.module-grid {
  margin: 28px 0;
}

.module-grid span,
.industry-cloud span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-soft);
  background: #fff;
  font-weight: 650;
  box-shadow: 0 8px 20px rgba(8, 21, 34, 0.04);
}

.parameter-board {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.parameter-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background:
    radial-gradient(circle at 18% 20%, rgba(111, 213, 255, 0.16), transparent 32%),
    linear-gradient(135deg, var(--blue-deep), #0d4e86);
}

.parameter-highlights article {
  padding: 18px 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.parameter-highlights article:last-child {
  border-right: 0;
}

.parameter-highlights span {
  display: block;
  margin-bottom: 6px;
  color: rgba(235, 245, 255, 0.7);
  font-size: 12px;
  font-weight: 700;
}

.parameter-highlights strong {
  color: #fff;
  font-size: 24px;
  line-height: 1.12;
}

.parameter-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.parameter-group {
  padding: clamp(16px, 2.4vw, 22px);
  background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
}

.parameter-group-wide {
  grid-column: 1 / -1;
}

.parameter-group h3 {
  margin-bottom: 12px;
  color: var(--blue-deep);
  font-size: 17px;
}

.parameter-group dl {
  display: grid;
  gap: 0;
  margin: 0;
}

.parameter-group dl div {
  display: grid;
  grid-template-columns: minmax(118px, 0.58fr) minmax(0, 1fr);
  gap: 14px;
  padding: 9px 0;
  border-top: 1px solid #e7edf5;
}

.parameter-group dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.parameter-group dd {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.advantage-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.advantage-card {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 16px 42px rgba(11, 23, 36, 0.08);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.advantage-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 4px;
  content: "";
  background: var(--orange);
}

.advantage-card-strong {
  border-color: rgba(21, 111, 183, 0.34);
  background: linear-gradient(180deg, #ffffff 0%, #f2f8fd 100%);
}

.advantage-card:hover {
  border-color: rgba(21, 111, 183, 0.28);
  box-shadow: 0 22px 54px rgba(8, 21, 34, 0.12);
  transform: translateY(-3px);
}

.advantage-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  border: 1px solid rgba(21, 111, 183, 0.2);
  border-radius: var(--radius);
  color: var(--blue-deep);
  background: #f4f9fd;
  font-weight: 850;
}

.advantage-card h3 {
  margin-bottom: 18px;
}

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

.advantage-card li {
  position: relative;
  padding-left: 22px;
  color: var(--ink-soft);
}

.advantage-card li::before {
  position: absolute;
  top: 11px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 2px;
  background: var(--blue);
}

.three-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.info-card {
  position: relative;
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.info-card p {
  margin-bottom: 0;
}

.about-section {
  padding-top: clamp(54px, 7vw, 84px);
}

.about-profile {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.72fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
}

.about-profile-copy {
  max-width: 720px;
}

.about-intro-title {
  margin-bottom: 32px;
  font-size: clamp(28px, 3vw, 34px);
}

.about-copy-block {
  display: grid;
  gap: 18px;
}

.about-copy-block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.about-campus {
  aspect-ratio: 16 / 11;
}

.about-campus img {
  min-height: 0;
}

.about-process {
  margin-top: clamp(34px, 5vw, 56px);
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.about-process h3 {
  margin-bottom: 22px;
}

.about-process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.about-process article {
  min-height: 150px;
  padding: 20px;
  border-radius: var(--radius);
  background: #f6f9fc;
}

.about-process span {
  display: block;
  margin-bottom: 18px;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.about-process strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 17px;
}

.about-process p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.industry-cloud {
  margin-top: 28px;
}

.contact-section {
  min-height: calc(100vh - 76px);
  background: #fff;
}

.contact-section::before {
  display: none;
}

.contact-section::after {
  display: none;
}

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

.contact-page-head {
  max-width: none;
  margin-bottom: 34px;
}

.contact-page-head h1 {
  margin-bottom: 18px;
  color: var(--ink);
  font-size: clamp(28px, 3vw, 34px);
}

.contact-page-head p {
  max-width: none;
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.contact-page-subtitle {
  width: 100%;
  font-size: clamp(15px, 1.52vw, 18px);
  white-space: nowrap;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  align-items: stretch;
}

.contact-main {
  padding: clamp(28px, 5vw, 44px);
  box-shadow: var(--shadow-soft);
}

.contact-main h2 {
  max-width: 680px;
  font-size: clamp(28px, 3.4vw, 38px);
}

.contact-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.contact-list article {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.contact-list span {
  color: var(--muted);
  font-weight: 800;
}

.contact-list p,
.contact-list a {
  margin: 0;
  color: var(--ink);
  font-weight: 750;
}

.contact-list a {
  color: var(--blue-deep);
}

.contact-aside {
  height: 100%;
  padding: 24px;
  color: var(--ink);
  background: #f7fbff;
  box-shadow: var(--shadow-soft);
}

.contact-aside h2 {
  font-size: 25px;
}

.qr-card {
  display: grid;
  height: 100%;
  min-height: 0;
  align-content: center;
  justify-items: center;
  gap: 14px;
  text-align: center;
}

.qr-card img {
  width: min(210px, 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 14px 32px rgba(8, 21, 34, 0.08);
}

.qr-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 750;
}

.contact-support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.contact-support-grid article {
  min-height: 128px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 252, 255, 0.92));
  box-shadow: 0 10px 28px rgba(8, 21, 34, 0.06);
}

.contact-support-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--blue-deep);
  font-weight: 850;
}

.contact-support-grid p {
  margin: 0;
}

.site-footer {
  padding: 10px 0;
  color: rgba(205, 211, 228, 0.68);
  background: #070b5a;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 3vw, 36px);
  min-height: 28px;
  text-align: center;
}

.site-footer p {
  margin: 0;
  color: rgba(205, 211, 228, 0.68);
  font-size: clamp(13px, 1.1vw, 15px);
  font-weight: 400;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(14px, 2.4vw, 32px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer a {
  color: rgba(205, 211, 228, 0.68);
  font-size: clamp(13px, 1.1vw, 15px);
  font-weight: 400;
}

.site-footer a:hover {
  color: rgba(240, 244, 255, 0.9);
}

.legal-section {
  background: #fff;
}

.legal-wrap {
  max-width: 880px;
}

.legal-wrap h1 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 54px);
}

.legal-updated {
  margin-bottom: 34px;
  color: var(--muted);
}

.legal-card {
  display: grid;
  gap: 28px;
  padding: clamp(26px, 5vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.legal-card section {
  display: grid;
  gap: 10px;
}

.legal-card h2 {
  font-size: clamp(22px, 3vw, 30px);
}

.legal-card p,
.legal-card li {
  margin: 0;
  color: var(--ink-soft);
}

.legal-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    right: 0;
    left: 0;
    z-index: 45;
    display: grid;
    gap: 0;
    padding: 10px 24px 24px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(11, 23, 36, 0.12);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .nav-item {
    display: grid;
  }

  body.nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    min-height: 52px;
    border-bottom: 1px solid var(--line);
  }

  .nav-trigger {
    min-height: 52px;
    justify-content: flex-start;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .product-dropdown {
    position: static;
    min-width: 0;
    padding: 0 0 8px 18px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .product-dropdown::before {
    display: none;
  }

  .site-nav .product-dropdown a {
    min-height: 44px;
    color: var(--muted);
    border-bottom: 0;
    font-size: 14px;
  }

  .site-nav .language-link {
    justify-content: center;
    min-height: 46px;
    margin: 16px 0 0;
    border-bottom: 1px solid rgba(21, 111, 183, 0.22);
  }

  .hero-grid,
  .page-hero-grid,
  .product-feature-grid,
  .about-profile,
  .split,
  .split-reverse,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding-top: 70px;
  }

  .hero {
    min-height: auto;
  }

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

  h1 {
    font-size: 50px;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-title-en {
    font-size: 32px;
  }

  h2 {
    font-size: 34px;
  }

  .product-feature h1 {
    font-size: 34px;
  }

  .hero-slogan {
    font-size: 28px;
  }

  .parameter-highlights strong {
    font-size: 24px;
  }

  .hero-visual img {
    width: min(100%, 380px);
    margin: 0 auto;
  }

  .hero-products-visual {
    transform: none;
  }

  .hero-products-visual img {
    width: min(100%, 500px);
    max-width: 100%;
  }

  .contact-page-head {
    grid-template-columns: 1fr;
  }

  .contact-page-subtitle {
    white-space: normal;
  }

  .page-product-image img {
    width: min(100%, 420px);
    margin: 0 auto;
  }

  .product-feature-image img {
    width: min(100%, 360px);
    margin: 0 auto;
  }

  .about-profile {
    gap: 28px;
  }

  .about-campus {
    aspect-ratio: 16 / 9;
  }

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

  .application-grid,
  .parameter-highlights,
  .parameter-groups,
  .advantage-board,
  .three-grid,
  .contact-support-grid {
    grid-template-columns: 1fr;
  }

  .parameter-group-wide {
    grid-column: auto;
  }

  .image-panel img {
    min-height: 280px;
  }

  .footer-grid {
    flex-direction: column;
    gap: 6px;
  }

  .site-footer p,
  .site-footer a {
    font-size: 13px;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 32px, var(--max));
  }

  .site-header {
    min-height: 68px;
    padding: 0 16px;
  }

  .brand {
    min-width: 148px;
    height: 46px;
  }

  .brand img {
    width: 100px;
  }

  .brand span {
    font-size: 14px;
    transform: translateY(3px);
  }

  .site-nav {
    top: 68px;
  }

  .nav-backdrop {
    inset: 68px 0 0;
  }

  h1 {
    font-size: 36px;
  }

  .hero-title {
    white-space: normal;
    font-size: 30px;
  }

  .hero-title-en {
    font-size: 31px;
  }

  .hero-title-en span {
    white-space: normal;
  }

  h2 {
    font-size: 28px;
  }

  .product-feature h1 {
    font-size: 28px;
  }

  .hero-slogan {
    font-size: 23px;
  }

  .parameter-highlights strong {
    font-size: 21px;
  }

  .hero-grid {
    padding: 52px 0 74px;
  }

  .hero-proof span {
    min-height: auto;
  }

  .hero-text,
  .lead {
    font-size: 16px;
  }

  .hero-text-nowrap {
    max-width: 320px;
    font-size: 15px;
    white-space: normal;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    min-height: 48px;
  }

  .section {
    padding: 64px 0;
  }

  .page-hero {
    padding: 66px 0 58px;
  }

  .tech-stack article,
  .contact-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .parameter-highlights article {
    padding: 16px 18px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .parameter-highlights article:last-child {
    border-bottom: 0;
  }

  .parameter-group dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .contact-main,
  .contact-aside,
  .application-card,
  .advantage-card,
  .info-card,
  .advantage-card {
    padding: 22px;
  }

  .about-copy-block p {
    font-size: 14px;
  }

  .about-process {
    padding: 22px;
  }

  .about-process-grid {
    grid-template-columns: 1fr;
  }

  .product-subtitle {
    font-size: 22px;
  }

  .product-metrics {
    grid-template-columns: 1fr;
  }

  .product-metrics article {
    min-height: auto;
  }

  .product-metrics strong {
    font-size: 21px;
  }

  .image-panel-contain img {
    padding: 18px;
  }

}