:root {
  --ink: #172129;
  --muted: #5f6b73;
  --line: #d9e2e6;
  --bg: #f6f8f7;
  --panel: #ffffff;
  --green: #116b5f;
  --blue: #265f8d;
  --gold: #b7842c;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 16px 40px rgba(23, 33, 41, 0.08);
  --shadow-soft: 0 8px 24px rgba(23, 33, 41, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(17, 107, 95, 0.08), transparent 30%),
    var(--bg);
  line-height: 1.65;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes softPulse {
  0%,
  100% {
    box-shadow: var(--shadow-soft);
  }

  50% {
    box-shadow: 0 14px 34px rgba(17, 107, 95, 0.16);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroDrift {
  from {
    transform: scale(1.02);
  }

  to {
    transform: scale(1.08);
  }
}

@keyframes shine {
  from {
    transform: translateX(-130%) skewX(-18deg);
  }

  to {
    transform: translateX(180%) skewX(-18deg);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(34px) scale(0.98);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin: 14px clamp(14px, 3vw, 34px) 0;
  padding: 14px clamp(18px, 4vw, 44px);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(217, 226, 230, 0.8);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  animation: slideDown 0.55s ease both;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: var(--green);
  font-size: 15px;
  border-radius: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 36px);
  color: var(--muted);
  font-size: 15px;
}

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

.nav > a,
.nav-link {
  position: relative;
}

.nav > a::after,
.nav-link::after {
  content: none;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--green);
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav > a:hover::after,
.nav-link:hover::after {
  transform: scaleX(0);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  z-index: 1001;
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  gap: 4px;
  min-width: 360px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 14px) scale(0.96);
  transform-origin: top center;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.dropdown-menu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -16px;
  height: 16px;
}

.dropdown:hover .dropdown-menu,
.nav-item:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0) scale(1);
}

.dropdown-menu a {
  display: block;
  padding: 10px 12px;
  color: var(--ink);
  border-radius: 12px;
  white-space: nowrap;
}

.dropdown-menu a:hover {
  color: var(--green);
  background: #f2f7f5;
}

.hero {
  position: relative;
  min-height: 84vh;
  display: grid;
  align-items: center;
  padding: 150px clamp(22px, 7vw, 92px) 72px;
  overflow: hidden;
  color: #fff;
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 28, 35, 0.9), rgba(10, 28, 35, 0.54), rgba(10, 28, 35, 0.2)),
    url("images/hero.jpg") center/cover;
  transform: scale(1.02);
  animation: heroDrift 12s ease-in-out infinite alternate;
}

.hero-content {
  position: relative;
  width: min(780px, 100%);
  animation: fadeUp 0.8s ease 0.15s both;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.08;
  font-weight: 700;
}

.hero-copy {
  width: min(680px, 100%);
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2vw, 21px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  font-weight: 700;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.button::after {
  content: "";
  position: absolute;
  top: -30%;
  bottom: -30%;
  left: 0;
  width: 42px;
  background: rgba(255, 255, 255, 0.42);
  transform: translateX(-130%) skewX(-18deg);
}

.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(23, 33, 41, 0.14);
}

.button:hover::after {
  animation: shine 0.72s ease;
}

.button.primary {
  background: #fff;
  color: var(--ink);
}

.button.secondary {
  color: #fff;
}

.section {
  padding: 86px clamp(22px, 7vw, 92px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.6fr) minmax(0, 1.4fr);
  gap: 36px;
  align-items: start;
  margin-bottom: 42px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.14;
}

.products {
  background: #f2f5f3;
}

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

.product-card {
  display: grid;
  grid-template-rows: 210px 1fr;
  min-height: 420px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-card:hover {
  transform: translateY(-10px);
  border-color: rgba(17, 107, 95, 0.2);
  box-shadow: 0 24px 52px rgba(23, 33, 41, 0.14);
}

.product-card.featured {
  grid-column: span 2;
}

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #f7faf9;
  filter: saturate(0.98) contrast(1.02);
  transition: transform 0.28s ease;
}

.product-card:hover img {
  transform: scale(1.07);
}

.product-copy {
  padding: 26px;
}

.product-tag {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.product-card h3 {
  margin-bottom: 12px;
  font-size: 23px;
  line-height: 1.28;
}

.product-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.intro {
  background: #fff;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  color: var(--muted);
  font-size: 18px;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.business-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 0 30px 30px;
  background: #fff;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: transform 0.2s ease, background 0.2s ease;
}

.business-card:hover {
  transform: translateY(-8px);
  background: #fbfdfc;
}

.business-image {
  width: calc(100% + 60px);
  aspect-ratio: 16 / 9;
  height: auto;
  margin: 0 -30px 28px;
  object-fit: cover;
  background: #f7faf9;
  filter: saturate(0.98) contrast(1.02);
}

.card-index {
  display: block;
  margin-bottom: 22px;
  color: var(--blue);
  font-weight: 800;
}

.business-card h3,
.solution-list h3 {
  margin-bottom: 14px;
  font-size: 22px;
  line-height: 1.3;
}

.business-card p,
.solution-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.branches {
  background: #fff;
}

.overview {
  background: #fff;
}

.product-detail {
  display: grid;
  gap: 22px;
  background: #fff;
}

.detail-block {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  animation: fadeUp 0.45s ease both;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.detail-block:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 52px rgba(23, 33, 41, 0.14);
}

.detail-block.reverse {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.detail-block.reverse .detail-media {
  order: 2;
}

.detail-media {
  min-height: 320px;
}

.detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #f7faf9;
}

.detail-copy {
  padding: 34px 36px;
}

.detail-index {
  margin-bottom: 12px;
  color: var(--blue);
  font-weight: 800;
}

.detail-copy h2 {
  font-size: clamp(28px, 3vw, 40px);
  margin-bottom: 14px;
}

.detail-text {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 18px;
}

.detail-list {
  margin: 0;
  padding: 0 0 0 18px;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.7;
}

.sub-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.sub-product-card {
  color: inherit;
  text-decoration: none;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 12px;
  background: #f8faf9;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.sub-product-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(38, 95, 141, 0.28);
  background: #fff;
  box-shadow: 0 14px 32px rgba(23, 33, 41, 0.12);
}

.detail-anchors {
  background: #f6f8f7;
}

.anchor-panel {
  margin-bottom: 16px;
  padding: 24px 28px;
  background: #fff;
  border: 1px solid var(--line);
  scroll-margin-top: 110px;
}

.anchor-panel h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.anchor-panel p {
  margin-bottom: 0;
  color: var(--muted);
}

.product-page-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.8fr);
  min-height: 100vh;
  padding: 118px clamp(22px, 7vw, 92px) 70px;
  gap: 42px;
  align-items: center;
  background: #fff;
}

.page-hero {
  position: relative;
  padding: 136px clamp(22px, 7vw, 92px) 44px;
  background: #fff;
}

.compact-hero {
  padding-bottom: 26px;
}

.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
  gap: 28px;
  align-items: end;
  max-width: none;
}

.hero-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 18px;
}

.page-hero h1 {
  margin-bottom: 0;
  color: var(--ink);
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-chips a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  color: var(--ink);
  background: #f8faf9;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.hero-chips a:hover {
  color: var(--green);
  border-color: rgba(17, 107, 95, 0.25);
  background: #eef6f4;
  transform: translateY(-2px);
}

.product-detail-image {
  min-height: 460px;
  background: #f7faf9;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  animation: softPulse 3.2s ease-in-out infinite;
}

.product-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-detail-content h1 {
  margin-bottom: 18px;
  color: var(--ink);
}

.product-detail-content p {
  color: var(--muted);
  font-size: 18px;
}

.detail-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 28px 0;
}

.detail-specs div {
  padding: 18px;
  background: #f8faf9;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.detail-specs span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
}

.detail-specs strong {
  color: var(--ink);
  font-size: 18px;
}

.detail-back {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

.sub-product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #eef3f1;
  border-radius: 10px;
}

.sub-product-card h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.sub-product-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.overview-list {
  display: grid;
  gap: 18px;
}

.overview-item {
  padding: 28px 30px;
  background: #f8faf9;
  border: 1px solid var(--line);
}

.overview-head {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  margin-bottom: 18px;
}

.overview-index {
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0;
}

.overview-head h2 {
  font-size: clamp(24px, 3vw, 34px);
}

.overview-body {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 17px;
}

.branch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.branch-card {
  padding: 24px;
  background: #f8faf9;
  border: 1px solid var(--line);
}

.branch-card h3 {
  margin-bottom: 14px;
  font-size: 20px;
}

.branch-card p {
  margin-bottom: 8px;
  color: var(--muted);
}

.branch-card p:last-child {
  margin-bottom: 0;
}

.solutions {
  background: #eaf0ee;
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.solution-list > div {
  min-height: 220px;
  padding: 32px;
  background: #fff;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.35fr);
  gap: 42px;
  align-items: center;
  padding: 72px clamp(22px, 7vw, 92px);
  color: #fff;
  background: var(--green);
}

.contact-section .eyebrow {
  color: #d6b36b;
}

.contact-section h2 {
  color: #fff;
}

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

.contact-methods div {
  display: grid;
  gap: 8px;
  min-height: 120px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.contact-methods span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.contact-methods strong {
  color: #fff;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px clamp(22px, 7vw, 92px);
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

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

.icp-link:hover {
  color: var(--green);
}

@media (max-width: 980px) {
  .site-header {
    position: sticky;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: 82vh;
    padding-top: 88px;
  }

  .section-heading,
  .intro-grid,
  .contact-section,
  .page-hero-inner,
  .catalog-layout,
  .catalog-row,
  .business-stack article,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero-chips {
    justify-content: flex-start;
  }

  .product-showcase,
  .business-grid,
  .solution-list,
  .profile-grid,
  .contact-guide,
  .solution-scenarios,
  .process-flow,
  .profile-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-card.featured {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .brand {
    font-size: 15px;
  }

  .nav {
    gap: 18px;
    font-size: 14px;
  }

  .hero {
    min-height: 78vh;
    padding-bottom: 48px;
  }

  h1 {
    font-size: 36px;
  }

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

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

  .product-showcase,
  .contact-methods,
  .business-grid,
  .solution-list,
  .profile-grid,
  .contact-guide,
  .solution-scenarios,
  .process-flow,
  .profile-band {
    grid-template-columns: 1fr;
  }

  .product-card,
  .business-card,
  .solution-list > div {
    min-height: auto;
  }

  .product-card,
  .product-card.featured {
    grid-column: auto;
  }

  .product-card {
    grid-template-rows: 190px 1fr;
  }

  .card-index {
    margin-bottom: 28px;
  }

  .site-footer {
    flex-direction: column;
  }
}

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

/* Alternate visual direction: clean industrial, straighter and calmer. */
:root {
  --radius: 6px;
  --radius-sm: 4px;
  --shadow: 0 10px 28px rgba(23, 33, 41, 0.08);
  --shadow-soft: 0 4px 14px rgba(23, 33, 41, 0.05);
}

body {
  background: #f4f6f7;
}

.site-header {
  margin: 0;
  padding: 16px clamp(22px, 5vw, 72px);
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  box-shadow: none;
  background: rgba(255, 255, 255, 0.96);
  animation: none;
}

.brand-mark {
  border-radius: 4px;
}

.button,
.hero-chips a {
  border-radius: 4px;
}

.button::after {
  display: none;
}

.hero-media {
  animation: none;
  transform: scale(1.02);
}

.product-card,
.business-grid,
.detail-block,
.sub-product-card,
.product-detail-image,
.detail-specs div,
.overview-item,
.anchor-panel {
  border-radius: 6px;
  box-shadow: none;
}

.product-card:hover,
.business-card:hover,
.detail-block:hover,
.sub-product-card:hover,
.button:hover,
.hero-chips a:hover {
  transform: none;
}

.product-card:hover,
.detail-block:hover,
.sub-product-card:hover {
  border-color: rgba(38, 95, 141, 0.35);
  box-shadow: 0 8px 22px rgba(23, 33, 41, 0.08);
}

.product-card:hover img {
  transform: scale(1.02);
}

.detail-block {
  animation: none;
}

.product-detail-image {
  animation: none;
}

.reveal,
.reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: none;
}

.products,
.solutions,
.page-hero,
.product-detail {
  background: #f4f6f7;
}

.section-heading {
  border-left: 4px solid var(--green);
  padding-left: 18px;
}

.product-tag,
.detail-index,
.card-index {
  color: var(--green);
}

.dropdown-menu {
  border-radius: 6px;
  box-shadow: 0 14px 32px rgba(23, 33, 41, 0.1);
}

.dropdown-menu a {
  border-radius: 4px;
}

.contact-methods div {
  border-radius: 6px;
}

.catalog-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 28px;
}

.catalog-aside {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 8px;
  align-self: start;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.catalog-aside span {
  color: var(--green);
  font-weight: 800;
}

.catalog-aside a {
  padding: 8px 0;
  color: var(--muted);
}

.catalog-aside a:hover {
  color: var(--green);
}

.catalog-list {
  display: grid;
  gap: 18px;
}

.catalog-row {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.catalog-row img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--green);
  font-weight: 800;
}

.profile-lead {
  max-width: 900px;
  margin-bottom: 28px;
}

.profile-lead p {
  color: var(--muted);
  font-size: 18px;
}

.profile-grid,
.contact-guide,
.solution-scenarios {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.profile-grid article,
.contact-guide article,
.solution-scenarios article,
.process-flow div {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.profile-grid span,
.process-flow span {
  display: block;
  margin-bottom: 12px;
  color: var(--green);
  font-weight: 800;
}

.profile-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 24px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--line);
}

.profile-band div {
  padding: 24px;
  background: #fff;
}

.profile-band strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 28px;
}

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

.business-stack article {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.business-stack img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.business-stack span {
  color: var(--green);
  font-weight: 800;
}

.process-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.process-flow strong {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.75fr);
  gap: 28px;
  align-items: center;
  padding: 34px;
  color: #fff;
  background: linear-gradient(135deg, #0c1920, #0b7669);
  border-radius: var(--radius);
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.75);
}

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

.contact-lines div {
  padding: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
}

.contact-lines span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.68);
}

.contact-lines strong {
  color: #fff;
  font-size: 26px;
}

/* Restore original light corporate palette. */
:root {
  --ink: #172129;
  --muted: #5f6b73;
  --line: #d9e2e6;
  --bg: #f6f8f7;
  --panel: #ffffff;
  --green: #116b5f;
  --blue: #265f8d;
  --gold: #b7842c;
  --radius: 10px;
  --radius-sm: 8px;
  --shadow: 0 14px 34px rgba(23, 33, 41, 0.1);
  --shadow-soft: 0 8px 22px rgba(23, 33, 41, 0.06);
}

body {
  background: var(--bg);
}

.site-header {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(217, 226, 230, 0.8);
  box-shadow: var(--shadow-soft);
}

.brand,
.nav {
  color: var(--ink);
}

.brand-mark {
  background: var(--green);
  box-shadow: none;
}

.nav a,
.nav-link {
  color: var(--muted);
}

.nav a:hover,
.nav-link:hover {
  color: var(--green);
}

.dropdown-menu {
  background: rgba(255, 255, 255, 0.98);
  border-color: var(--line);
  box-shadow: var(--shadow);
}

.dropdown-menu a {
  color: var(--ink);
}

.dropdown-menu a:hover {
  color: var(--green);
  background: #f2f7f5;
}

.button.primary {
  background: #fff;
  color: var(--ink);
  border-color: rgba(255, 255, 255, 0.42);
}

.button.secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.42);
}

.products,
.solutions,
.page-hero,
.product-detail,
.catalog-page,
.profile-page,
.business-page,
.solution-page,
.contact-page {
  background: var(--bg);
}

.product-card,
.detail-block,
.sub-product-card,
.business-grid,
.product-detail-image,
.catalog-aside,
.catalog-row,
.profile-grid article,
.contact-guide article,
.solution-scenarios article,
.process-flow div,
.business-stack article {
  border-color: var(--line);
  box-shadow: var(--shadow-soft);
}

.product-card:hover,
.detail-block:hover,
.sub-product-card:hover {
  border-color: rgba(17, 107, 95, 0.26);
  box-shadow: var(--shadow);
}

.hero-chips a {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
  box-shadow: none;
}

.hero-chips a:hover {
  color: var(--green);
  background: #eef6f4;
  border-color: rgba(17, 107, 95, 0.25);
}

.contact-section,
.contact-panel {
  background: var(--green);
}

/* Alternate visual direction: high-contrast industrial tech. */
:root {
  --ink: #111a21;
  --muted: #60707b;
  --line: #d4dee3;
  --bg: #eef3f5;
  --green: #0b7669;
  --blue: #1f6f9f;
  --gold: #bd872c;
  --radius: 10px;
  --radius-sm: 8px;
  --shadow: 0 26px 60px rgba(10, 24, 32, 0.18);
  --shadow-soft: 0 12px 28px rgba(10, 24, 32, 0.1);
}

body {
  background:
    linear-gradient(180deg, #e9f0f2 0, #f7f9f9 420px),
    #f7f9f9;
}

.site-header {
  margin: 16px clamp(16px, 4vw, 54px) 0;
  padding: 12px clamp(18px, 4vw, 36px);
  color: #dbe8ec;
  background: rgba(12, 25, 32, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  box-shadow: 0 20px 44px rgba(10, 24, 32, 0.2);
  animation: slideDown 0.55s ease both;
}

.brand {
  color: #fff;
}

.brand-mark {
  background: #1aa391;
  border-radius: 8px;
  box-shadow: 0 0 0 4px rgba(26, 163, 145, 0.12);
}

.nav {
  color: rgba(255, 255, 255, 0.72);
}

.nav a:hover,
.nav-link:hover {
  color: #fff;
}

.dropdown-menu {
  background: rgba(12, 25, 32, 0.96);
  border-color: rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 24px 54px rgba(10, 24, 32, 0.28);
}

.dropdown-menu a {
  color: rgba(255, 255, 255, 0.82);
  border-radius: 8px;
}

.dropdown-menu a:hover {
  color: #fff;
  background: rgba(26, 163, 145, 0.22);
}

.button.primary {
  background: #1aa391;
  color: #fff;
  border-color: #1aa391;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.38);
}

.product-card,
.detail-block,
.sub-product-card,
.business-grid,
.product-detail-image {
  border-radius: 10px;
  box-shadow: var(--shadow-soft);
}

.product-card,
.sub-product-card,
.detail-block {
  border-color: rgba(31, 111, 159, 0.18);
}

.product-card:hover,
.detail-block:hover {
  transform: translateY(-12px);
  border-color: rgba(26, 163, 145, 0.45);
  box-shadow: var(--shadow);
}

.sub-product-card:hover {
  transform: translateY(-8px) scale(1.025);
  border-color: rgba(26, 163, 145, 0.45);
  box-shadow: 0 20px 44px rgba(10, 24, 32, 0.16);
}

.business-card:hover {
  transform: translateY(-8px);
  background: #f4faf8;
}

.section-heading {
  border-left-color: #1aa391;
}

.hero-chips a {
  background: #fff;
  border-color: rgba(31, 111, 159, 0.18);
  box-shadow: var(--shadow-soft);
}

.hero-chips a:hover {
  color: #fff;
  background: #0b7669;
  border-color: #0b7669;
  transform: translateY(-4px);
}

.detail-index,
.card-index,
.product-tag {
  color: #0b7669;
}

.product-detail-image {
  animation: softPulse 2.6s ease-in-out infinite;
}

.contact-section {
  background: linear-gradient(135deg, #0c1920, #0b7669);
}

/* Final palette override: light corporate style. */
:root {
  --ink: #172129;
  --muted: #5f6b73;
  --line: #d9e2e6;
  --bg: #f6f8f7;
  --panel: #ffffff;
  --green: #116b5f;
  --blue: #265f8d;
  --gold: #b7842c;
  --radius: 10px;
  --radius-sm: 8px;
  --shadow: 0 14px 34px rgba(23, 33, 41, 0.1);
  --shadow-soft: 0 8px 22px rgba(23, 33, 41, 0.06);
}

body {
  background: var(--bg);
}

.site-header {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(217, 226, 230, 0.8);
  box-shadow: var(--shadow-soft);
}

.brand,
.nav {
  color: var(--ink);
}

.brand-mark {
  background: var(--green);
  box-shadow: none;
}

.nav a,
.nav-link {
  color: var(--muted);
}

.nav a:hover,
.nav-link:hover {
  color: var(--green);
}

.dropdown-menu {
  background: rgba(255, 255, 255, 0.98);
  border-color: var(--line);
  box-shadow: var(--shadow);
}

.dropdown-menu a {
  color: var(--ink);
}

.dropdown-menu a:hover {
  color: var(--green);
  background: #f2f7f5;
}

.products,
.solutions,
.page-hero,
.product-detail,
.catalog-page,
.profile-page,
.business-page,
.solution-page,
.contact-page {
  background: var(--bg);
}

.button.primary {
  background: #fff;
  color: var(--ink);
  border-color: rgba(255, 255, 255, 0.42);
}

.button.secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.42);
}

.hero-chips a {
  color: var(--ink);
  background: #fff;
  border-color: var(--line);
  box-shadow: none;
}

.hero-chips a:hover {
  color: var(--green);
  background: #eef6f4;
  border-color: rgba(17, 107, 95, 0.25);
}

.contact-section,
.contact-panel {
  background: var(--green);
}