:root {
  --ink: #12181d;
  --ink-2: #1a2228;
  --muted: #66717a;
  --muted-2: #8a949b;
  --paper: #f4f6f2;
  --paper-2: #e9ede7;
  --white: #ffffff;
  --line: #d8ddd8;
  --line-dark: #39434a;
  --orange: #ef6c2f;
  --orange-dark: #d55218;
  --orange-soft: #fff0e7;
  --green: #62864d;
  --green-soft: #e7f1e6;
  --cyan: #397f90;
  --cyan-soft: #e4f2f3;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(18, 24, 29, 0.12);
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(240, 90, 40, 0.42);
  outline-offset: 3px;
}

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

.section {
  padding: 104px 0;
}

.section-sm {
  padding: 72px 0;
}

.section-paper {
  background: var(--paper);
}

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

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 46px;
}

.section-head-copy {
  max-width: 680px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
}

.eyebrow::before {
  width: 26px;
  height: 2px;
  content: "";
  background: currentColor;
}

.section-dark .eyebrow {
  color: #ff875e;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  line-height: 1.15;
}

h1 {
  margin-bottom: 24px;
  font-size: 58px;
  font-weight: 750;
}

h2 {
  margin-bottom: 18px;
  font-size: 42px;
  font-weight: 740;
}

h3 {
  margin-bottom: 14px;
  font-size: 23px;
  font-weight: 700;
}

h4 {
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
}

p {
  color: var(--muted);
}

.section-dark p {
  color: #b8c1c6;
}

.lead {
  max-width: 740px;
  margin-bottom: 0;
  font-size: 19px;
  line-height: 1.8;
}

.muted {
  color: var(--muted);
}

.icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-sm {
  width: 17px;
  height: 17px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.2;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

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

.button-primary {
  color: var(--white);
  background: var(--orange);
}

.button-primary:hover {
  background: var(--orange-dark);
}

.button-dark {
  color: var(--white);
  background: var(--ink);
}

.button-dark:hover {
  background: #2b353c;
}

.button-light {
  color: var(--ink);
  background: var(--white);
}

.button-outline {
  color: var(--white);
  border-color: #566169;
  background: transparent;
}

.button-outline:hover {
  border-color: #9aa5ab;
  background: rgba(255, 255, 255, 0.06);
}

.button-line {
  color: var(--ink);
  border-color: var(--line);
  background: transparent;
}

.button-line:hover {
  border-color: var(--ink);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 700;
}

.text-link:hover {
  color: var(--orange);
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(216, 221, 216, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.site-header-home {
  position: fixed;
  right: 0;
  left: 0;
  border-bottom-color: transparent;
  background: transparent;
  backdrop-filter: none;
  transition: background-color 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
}

.site-header-home.is-scrolled {
  border-bottom-color: rgba(216, 221, 216, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.site-header-home:not(.is-scrolled) .brand-copy strong,
.site-header-home:not(.is-scrolled) .site-nav a,
.site-header-home:not(.is-scrolled) .nav-toggle {
  color: var(--white);
}

.site-header-home:not(.is-scrolled) .brand-copy small {
  color: #ff9b6c;
}

.site-header-home:not(.is-scrolled) .site-nav a:hover,
.site-header-home:not(.is-scrolled) .site-nav a[aria-current="page"] {
  color: var(--white);
  background: transparent;
}

.site-header-home:not(.is-scrolled) .site-nav a[aria-current="page"] {
  color: #ff9b6c;
}

.site-header-home:not(.is-scrolled) .nav-toggle {
  border-color: rgba(255, 255, 255, 0.46);
  background: rgba(5, 10, 13, 0.22);
}

.header-inner {
  display: flex;
  width: min(calc(100% - 40px), 1080px);
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

@media (min-width: 1081px) {
  /* Keep the 100% browser view visually aligned with the approved 90% composition. */
  html {
    zoom: 0.9;
  }

  .header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
  }

  .header-inner .brand {
    position: absolute;
    top: 50%;
    left: 24px;
    transform: translateY(-50%);
  }

  .site-nav {
    grid-column: 2;
    justify-self: center;
  }

  .header-action {
    grid-column: 3;
    justify-self: end;
  }
}

.brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  gap: 1px;
  line-height: 1.05;
}

.brand-copy strong {
  color: var(--ink);
  font-size: 17px;
  font-weight: 750;
}

.brand-copy small {
  color: var(--orange);
  font-family: Arial, sans-serif;
  font-size: 9px;
  font-weight: 700;
}

.site-footer .brand-copy strong {
  color: var(--white);
}

.brand-light {
  display: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-nav a {
  padding: 7px 11px;
  border-radius: 5px;
  color: #4b565e;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  background: var(--paper);
}

.header-action {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 8px 16px;
  border-color: transparent;
  color: var(--white);
  background: var(--orange);
  font-size: 14px;
  font-weight: 600;
}

.header-action:hover {
  border-color: transparent;
  color: var(--white);
  background: var(--orange-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--white);
  cursor: pointer;
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--ink);
  background: var(--white);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(239, 108, 47, 0.075) 1px, transparent 1px),
    linear-gradient(90deg, rgba(239, 108, 47, 0.075) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 94%);
}

.hero-inner {
  position: relative;
  display: grid;
  min-height: 660px;
  align-items: center;
  grid-template-columns: minmax(0, 0.92fr) minmax(470px, 1.08fr);
  gap: 64px;
  padding: 86px 0 78px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero h1 {
  max-width: 720px;
  font-size: 60px;
}

.hero .lead {
  max-width: 650px;
  color: var(--muted);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 700;
}

.hero-kicker::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  content: "";
  background: var(--orange);
  box-shadow: 0 0 0 6px rgba(239, 108, 47, 0.14);
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-product-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.product-shot {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid #e5ddd6;
  border-radius: 8px;
  background: #faf8f5;
}

.product-shot-main {
  grid-column: 1 / -1;
}

.product-shot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-shot-main img {
  aspect-ratio: 16 / 9;
}

.product-shot:not(.product-shot-main) img {
  aspect-ratio: 4 / 3;
}

.product-shot figcaption {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 7px 10px;
  border: 1px solid rgba(239, 108, 47, 0.24);
  border-radius: 5px;
  color: #a94617;
  background: rgba(255, 255, 255, 0.92);
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.capability-strip {
  position: relative;
  z-index: 3;
  border-top: 1px solid #303a41;
  border-bottom: 1px solid #303a41;
  background: #171f24;
}

.capability-strip-inner {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.capability-strip span {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: center;
  padding: 14px 10px;
  border-right: 1px solid #303a41;
  color: #b9c2c7;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.capability-strip span:first-child {
  border-left: 1px solid #303a41;
}

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

.business-card {
  position: relative;
  display: flex;
  min-height: 430px;
  flex-direction: column;
  overflow: hidden;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.business-card:hover {
  transform: translateY(-6px);
  border-color: #bcc5c0;
  box-shadow: var(--shadow);
}

.business-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 5px;
  content: "";
  background: var(--orange);
}

.business-card.agri::before {
  background: var(--green);
}

.business-card.trace::before {
  background: var(--cyan);
}

.business-icon {
  display: inline-flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border-radius: 7px;
  color: var(--orange);
  background: var(--orange-soft);
}

.agri .business-icon {
  color: var(--green);
  background: var(--green-soft);
}

.trace .business-icon {
  color: var(--cyan);
  background: var(--cyan-soft);
}

.business-icon .icon {
  width: 29px;
  height: 29px;
}

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

.check-list {
  display: grid;
  gap: 11px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #49545c;
  font-size: 14px;
}

.check-list .icon {
  width: 17px;
  height: 17px;
  margin-top: 4px;
  color: var(--green);
}

.business-card .text-link {
  margin-top: auto;
}

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

.product-tile {
  padding: 28px;
  border-top: 3px solid var(--ink);
  background: var(--white);
  box-shadow: 0 12px 36px rgba(18, 24, 29, 0.06);
}

.product-tile:nth-child(2) {
  border-color: var(--orange);
}

.product-tile:nth-child(3) {
  border-color: var(--cyan);
}

.product-tile:nth-child(4) {
  border-color: var(--green);
}

.product-tile .icon {
  width: 30px;
  height: 30px;
  margin-bottom: 24px;
  color: var(--orange);
}

.product-tile-media {
  height: 174px;
  margin: -28px -28px 24px;
  overflow: hidden;
  border-bottom: 1px solid #eadfd8;
  background: #faf8f5;
}

.product-tile-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-tile p {
  margin-bottom: 0;
  font-size: 14px;
}

.system-band {
  position: relative;
  overflow: hidden;
  background: var(--ink);
}

.system-band::after {
  position: absolute;
  right: -130px;
  bottom: -190px;
  width: 520px;
  height: 520px;
  border: 1px solid #303b42;
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 74px rgba(255, 255, 255, 0.018), 0 0 0 148px rgba(255, 255, 255, 0.012);
}

.system-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 82px;
}

.flow-list {
  display: grid;
  gap: 1px;
  border: 1px solid #364148;
  background: #364148;
}

.flow-item {
  display: grid;
  min-height: 102px;
  align-items: center;
  padding: 20px 24px;
  background: #171f24;
  grid-template-columns: 54px 1fr auto;
  gap: 18px;
}

.flow-number {
  color: #ff8b63;
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.flow-item h4 {
  margin-bottom: 4px;
  color: var(--white);
}

.flow-item p {
  margin-bottom: 0;
  font-size: 13px;
}

.flow-item .icon {
  color: #7f8c94;
}

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

.value-item {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.value-item .icon {
  width: 30px;
  height: 30px;
  margin-bottom: 20px;
  color: var(--orange);
}

.value-item p {
  margin-bottom: 0;
}

.cta-band {
  color: var(--white);
  background: var(--orange);
}

.cta-inner {
  display: flex;
  min-height: 260px;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 54px 0;
}

.cta-copy {
  max-width: 730px;
}

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

.cta-copy p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.84);
}

.page-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.page-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-hero-inner {
  position: relative;
  display: grid;
  min-height: 390px;
  align-items: center;
  padding: 70px 0;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.55fr);
  gap: 80px;
}

.page-hero h1 {
  font-size: 50px;
}

.page-hero .lead {
  color: #b9c3c8;
}

.page-index {
  display: grid;
  align-content: center;
  gap: 14px;
}

.page-index span {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #8f9ba2;
  font-size: 14px;
}

.page-index span::after {
  height: 1px;
  flex: 1;
  content: "";
  background: #3d484f;
}

.page-index strong {
  color: var(--white);
  font-size: 15px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 74px;
}

.sticky-copy {
  position: sticky;
  top: 124px;
  align-self: start;
}

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

.feature-card {
  display: grid;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  grid-template-columns: 58px 1fr;
  gap: 20px;
}

.feature-card.accent-orange {
  border-left: 4px solid var(--orange);
}

.feature-card.accent-green {
  border-left: 4px solid var(--green);
}

.feature-card.accent-cyan {
  border-left: 4px solid var(--cyan);
}

.feature-card .icon {
  width: 30px;
  height: 30px;
  color: var(--orange);
}

.accent-green .icon {
  color: var(--green);
}

.accent-cyan .icon {
  color: var(--cyan);
}

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

.feature-card-media {
  overflow: hidden;
  padding: 0;
  grid-template-columns: minmax(210px, 0.8fr) minmax(0, 1.2fr);
}

.feature-card-media img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
  background: #faf8f5;
}

.feature-card-media-copy {
  padding: 30px;
}

.feature-card-media-copy h3 small {
  display: block;
  margin-top: 6px;
  color: #78838a;
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.feature-card-media-copy p {
  margin-bottom: 0;
}

.architecture {
  display: grid;
  gap: 12px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.architecture-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
}

.architecture-label {
  padding-top: 15px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.architecture-items {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.architecture-item {
  min-height: 64px;
  padding: 14px;
  border: 1px solid #d5dbd6;
  border-radius: 5px;
  background: var(--white);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.scenario-card {
  position: relative;
  min-height: 220px;
  overflow: hidden;
  padding: 26px;
  border-radius: var(--radius);
  color: var(--white);
  background: #263038;
}

.scenario-card:nth-child(2) {
  background: #2d5642;
}

.scenario-card:nth-child(3) {
  background: #17636a;
}

.scenario-card:nth-child(4) {
  background: #69432e;
}

.scenario-card::before {
  position: absolute;
  right: -40px;
  bottom: -62px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 28px rgba(255, 255, 255, 0.035);
}

.scenario-card .icon {
  width: 28px;
  height: 28px;
  margin-bottom: 48px;
  color: #ff906a;
}

.scenario-card:nth-child(2) .icon {
  color: #9be0a5;
}

.scenario-card:nth-child(3) .icon {
  color: #80d9df;
}

.scenario-card:nth-child(4) .icon {
  color: #f0b17c;
}

.scenario-card h3 {
  position: relative;
  z-index: 1;
  font-size: 20px;
}

.scenario-card p {
  position: relative;
  z-index: 1;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.process-item {
  position: relative;
  padding: 28px 18px 0 0;
}

.process-item::before {
  position: absolute;
  top: -6px;
  left: 0;
  width: 11px;
  height: 11px;
  border: 3px solid var(--white);
  border-radius: 50%;
  content: "";
  background: var(--orange);
  box-shadow: 0 0 0 1px var(--orange);
}

.process-item p {
  margin-bottom: 0;
  font-size: 14px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.service-card .icon {
  width: 32px;
  height: 32px;
  margin-bottom: 28px;
  color: var(--green);
}

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

.trace-board {
  display: grid;
  min-height: 420px;
  align-items: center;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  grid-template-columns: minmax(0, 0.8fr) 96px minmax(0, 1.2fr);
  gap: 24px;
}

.trace-source,
.trace-result {
  display: grid;
  gap: 12px;
}

.trace-node {
  padding: 17px 18px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  font-size: 14px;
  font-weight: 700;
}

.trace-result .trace-node {
  border-color: #c7dedf;
  background: var(--cyan-soft);
}

.trace-line {
  position: relative;
  height: 2px;
  background: var(--cyan);
}

.trace-line::before,
.trace-line::after {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  content: "";
  background: var(--cyan);
  transform: translateY(-50%);
}

.trace-line::before {
  left: 0;
}

.trace-line::after {
  right: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 74px;
}

.about-copy {
  display: grid;
  gap: 24px;
}

.about-statement {
  padding-left: 24px;
  border-left: 3px solid var(--orange);
  color: var(--ink);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.6;
}

.matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
}

.matrix-item {
  min-height: 230px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.matrix-item:last-child {
  border-right: 0;
}

.matrix-item span {
  color: var(--orange);
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.matrix-item h3 {
  margin-top: 52px;
}

.matrix-item p {
  margin-bottom: 0;
  font-size: 14px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 70px;
}

.contact-list {
  display: grid;
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--line);
  list-style: none;
}

.contact-list li {
  display: grid;
  min-height: 84px;
  align-items: center;
  padding: 18px 20px;
  background: var(--white);
  grid-template-columns: 28px 1fr;
  gap: 14px;
}

.contact-list .icon {
  color: var(--orange);
}

.contact-list strong {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
}

.contact-list span {
  color: var(--muted);
  font-size: 14px;
}

.inquiry-form {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
}

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

.form-field label {
  color: #435058;
  font-size: 13px;
  font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid #cfd6d1;
  border-radius: 5px;
  color: var(--ink);
  background: var(--white);
}

.form-field input,
.form-field select {
  height: 48px;
  padding: 0 14px;
}

.form-field textarea {
  min-height: 132px;
  padding: 13px 14px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--orange);
  outline: none;
  box-shadow: 0 0 0 3px rgba(240, 90, 40, 0.12);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 24px;
}

.form-status {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.form-status.success {
  color: var(--green);
}

.form-status.error {
  color: #c23f2c;
}

.placeholder {
  color: #a37b33;
  background: #fff8e8;
  box-shadow: inset 0 -1px 0 #e6cf9e;
}

.site-footer {
  color: #aeb8bd;
  background: #0d1317;
}

.footer-main {
  display: grid;
  padding: 72px 0 58px;
  grid-template-columns: minmax(250px, 1.2fr) repeat(3, minmax(150px, 0.6fr));
  gap: 54px;
}

.footer-brand .brand {
  margin-bottom: 22px;
}

.footer-brand p {
  max-width: 420px;
  margin-bottom: 0;
  color: #879198;
  font-size: 14px;
}

.footer-column h4 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: 14px;
}

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

.footer-column a,
.footer-column span {
  color: #879198;
  font-size: 14px;
}

.footer-column a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0 26px;
  border-top: 1px solid #222c31;
  color: #737e85;
  font-size: 12px;
}

.footer-filing {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 18px;
}

.footer-bottom a:hover {
  color: var(--white);
}

/* Scale the whole composition proportionally on 2K+ displays. */
@media (min-width: 1920px) {
  html {
    zoom: calc(100vw / 2133.333px);
  }
}

@media (max-width: 1080px) {
  .header-action {
    display: none;
  }

  .hero-inner {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
    gap: 30px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .business-card {
    min-height: 460px;
  }

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

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

  .footer-main {
    grid-template-columns: minmax(240px, 1.1fr) repeat(3, minmax(130px, 0.6fr));
    gap: 34px;
  }
}

@media (max-width: 880px) {
  .section {
    padding: 76px 0;
  }

  h2 {
    font-size: 36px;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
    gap: 20px;
  }

  .site-nav {
    position: fixed;
    top: 77px;
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 4px;
    padding: 22px 20px 40px;
    background: var(--white);
  }

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

  .site-nav a {
    padding: 15px 14px;
    font-size: 16px;
  }

  .nav-toggle {
    display: inline-flex;
    width: 40px;
    height: 40px;
  }

  .header-inner {
    min-height: 60px;
  }

  .site-nav {
    top: 61px;
  }

  .hero-inner,
  .page-hero-inner,
  .system-grid,
  .content-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding: 70px 0 54px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero-visual {
    max-width: 680px;
  }

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

  .capability-strip span:nth-child(4) {
    border-left: 1px solid #303a41;
  }

  .capability-strip span:nth-child(-n + 3) {
    border-bottom: 1px solid #303a41;
  }

  .business-grid,
  .value-grid {
    grid-template-columns: 1fr;
  }

  .business-card {
    min-height: auto;
  }

  .system-grid,
  .content-grid,
  .about-grid,
  .contact-grid {
    gap: 48px;
  }

  .sticky-copy {
    position: static;
  }

  .process-grid {
    grid-template-columns: 1fr;
    border-top: 0;
  }

  .process-item {
    padding: 0 0 28px 28px;
    border-left: 1px solid var(--line);
  }

  .process-item::before {
    top: 5px;
    left: -6px;
  }

  .trace-board {
    grid-template-columns: 1fr;
  }

  .trace-line {
    width: 2px;
    height: 70px;
    margin-left: 24px;
  }

  .trace-line::before,
  .trace-line::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .trace-line::before {
    top: 0;
  }

  .trace-line::after {
    top: auto;
    right: auto;
    bottom: 0;
  }

  .matrix {
    grid-template-columns: 1fr;
  }

  .matrix-item {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .matrix-item:last-child {
    border-bottom: 0;
  }

  .matrix-item h3 {
    margin-top: 26px;
  }

  .cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }

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

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 62px 0;
  }

  .section-sm {
    padding: 50px 0;
  }

  h1,
  .hero h1,
  .page-hero h1 {
    font-size: 36px;
    line-height: 1.18;
  }

  h2 {
    font-size: 31px;
  }

  h3 {
    font-size: 21px;
  }

  .lead {
    font-size: 17px;
  }

  .brand {
    gap: 8px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand-copy strong {
    font-size: 15px;
  }

  .brand-copy small {
    font-size: 8px;
  }

  .hero-inner {
    gap: 34px;
    padding-top: 56px;
  }

  .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .button-row .button {
    width: 100%;
  }

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

  .capability-strip span:nth-child(3),
  .capability-strip span:nth-child(5) {
    border-left: 1px solid #303a41;
  }

  .capability-strip span:nth-child(4) {
    border-left: 0;
  }

  .capability-strip span:nth-child(-n + 4) {
    border-bottom: 1px solid #303a41;
  }

  .business-card,
  .feature-card,
  .service-card,
  .inquiry-form {
    padding: 24px;
  }

  .product-grid,
  .scenario-grid,
  .service-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card-media {
    padding: 0;
  }

  .feature-card-media img {
    min-height: 210px;
  }

  .feature-card-media-copy {
    padding: 24px;
  }

  .architecture {
    padding: 20px;
  }

  .architecture-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .architecture-label {
    padding-top: 0;
  }

  .architecture-items {
    grid-template-columns: 1fr;
  }

  .scenario-card {
    min-height: 190px;
  }

  .trace-board {
    min-height: auto;
    padding: 22px;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .form-actions .button {
    width: 100%;
  }

  .footer-main {
    grid-template-columns: 1fr;
    padding: 56px 0 42px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .footer-filing {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}

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

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