:root {
  --ink: #101820;
  --ink-soft: #17232e;
  --steel: #1f5f8b;
  --steel-dark: #163f5e;
  --teal: #24a99a;
  --amber: #d99a2b;
  --cloud: #f5f7fa;
  --line: #dbe3ea;
  --muted: #617080;
  --white: #ffffff;
  --radius: 8px;
  --shadow: 0 18px 45px rgba(16, 24, 32, 0.12);
  --deep-shadow: 0 28px 80px rgba(16, 24, 32, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(31, 95, 139, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(31, 95, 139, 0.03) 1px, transparent 1px),
    var(--white);
  background-size: 56px 56px;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
}

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

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



.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #344454;
  font-size: 15px;
}

.site-nav a {
  padding: 10px 13px;
  border-radius: 6px;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--steel-dark);
  background: linear-gradient(135deg, #eaf3f7, #f4faf9);
}

.nav-toggle {
  display: none;
  padding: 9px 12px;
  color: var(--steel-dark);
  background: var(--cloud);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.hero {
  position: relative;
  min-height: min(820px, calc(100vh - 76px));
  display: grid;
  align-items: end;
  padding: 7vw 5vw 5vw;
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(16, 24, 32, 0.96), rgba(16, 24, 32, 0.74) 42%, rgba(16, 24, 32, 0.22)),
    linear-gradient(0deg, rgba(16, 24, 32, 0.88), transparent 40%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.carousel {
  align-items: stretch;
  padding: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: center;
  padding: 6vw 5vw;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.hero-slide::before {
  content: "";
  position: absolute;
  inset: 76px 0 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(320px, 780px) minmax(260px, 360px);
  gap: clamp(32px, 7vw, 120px);
  align-items: end;
  width: 100%;
  max-width: 1420px;
  margin: 0 auto;
}

.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.carousel-dots {
  position: absolute;
  z-index: 3;
  right: 5vw;
  bottom: 42px;
  display: flex;
  gap: 10px;
}

.carousel-dots button {
  width: 34px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
  cursor: pointer;
}

.carousel-dots button.active {
  background: var(--amber);
}

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

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: currentColor;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(42px, 5.5vw, 78px);
  line-height: 1.1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.35;
}

.lead {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.hero-panel {
  position: relative;
  padding: 30px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.04)),
    rgba(16, 24, 32, 0.58);
  box-shadow: var(--deep-shadow);
  backdrop-filter: blur(16px);
}

.hero-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 30px;
  width: 78px;
  height: 4px;
  background: var(--amber);
}

.panel-kicker {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  text-transform: uppercase;
}

.hero-panel strong {
  display: block;
  margin-top: 16px;
  color: var(--amber);
  font-size: 72px;
  line-height: 1;
}

.hero-panel p {
  color: rgba(255, 255, 255, 0.78);
}

.panel-meter {
  height: 6px;
  margin: 28px 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 999px;
}

.panel-meter span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--amber));
}

.hero-panel dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 0;
}

.hero-panel dl div {
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-panel dt {
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
}

.hero-panel dd {
  margin: 0;
  color: var(--white);
  font-weight: 800;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
}

.button.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--amber), #b97818);
  box-shadow: 0 12px 28px rgba(217, 154, 43, 0.24);
}

.button.ghost {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.button.outline {
  color: var(--steel-dark);
  border-color: var(--steel);
  background: transparent;
}

.section {
  padding: 92px 5vw;
}

.section-heading.refined {
  max-width: 1420px;
  margin-right: auto;
  margin-left: auto;
}

.section-heading.refined h2 {
  max-width: 720px;
}

.company-section {
  background: linear-gradient(180deg, #f7fafb, var(--white));
}

.company-showcase {
  display: grid;
  grid-template-columns: minmax(320px, 1.05fr) minmax(300px, 0.95fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
  max-width: 1420px;
  margin: 0 auto;
}

.company-visual {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--deep-shadow);
}

.company-visual img {
  width: 100%;
}

.visual-caption {
  position: absolute;
  right: 24px;
  bottom: 24px;
  min-width: 220px;
  padding: 18px;
  color: var(--white);
  background: rgba(16, 24, 32, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}

.visual-caption span,
.visual-caption strong {
  display: block;
}

.visual-caption span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.company-copy {
  padding: 34px 0;
}

.company-copy p {
  color: #405160;
  font-size: 18px;
}

.company-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: var(--line);
  border: 1px solid var(--line);
}

.company-metrics div {
  padding: 24px 18px;
  background: var(--white);
}

.company-metrics strong {
  display: block;
  color: var(--steel);
  font-size: 38px;
  line-height: 1;
}

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

.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding-top: 0;
  padding-bottom: 0;
  background: var(--line);
}

.stats-band div {
  padding: 34px 24px;
  background: var(--white);
}

.stats-band strong {
  display: block;
  color: var(--steel);
  font-size: 42px;
  line-height: 1;
}

.stats-band span {
  color: var(--muted);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-heading a {
  color: var(--steel);
  font-weight: 700;
}

.card-grid {
  display: grid;
  gap: 24px;
}

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

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

.card,
.solution-card,
.news-list article,
.contact-form,
.contact-info,
.filter-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.product-section {
  background: var(--white);
}

.product-showcase {
  display: grid;
  grid-template-columns: minmax(340px, 1.35fr) minmax(280px, 0.65fr);
  gap: 24px;
  max-width: 1420px;
  margin: 0 auto;
}

.product-feature,
.product-list article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 42px rgba(16, 24, 32, 0.08);
}

.product-feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: stretch;
  min-height: 430px;
}

.product-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-feature div {
  display: flex;
  flex-direction: column;
  justify-content: end;
  padding: 38px;
  background:
    linear-gradient(135deg, rgba(31, 95, 139, 0.12), rgba(36, 169, 154, 0.08)),
    var(--white);
}

.product-feature span {
  margin-bottom: auto;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-feature p,
.product-list p {
  color: var(--muted);
}

.product-list {
  display: grid;
  gap: 24px;
}

.product-list article {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
}

.product-list img {
  width: 150px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 6px;
}

.card {
  overflow: hidden;
}

.card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.card h3,
.card p {
  padding-right: 24px;
  padding-left: 24px;
}

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

.card p {
  padding-bottom: 24px;
  color: var(--muted);
}

.split-panel {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 0.9fr);
  gap: 48px;
  align-items: center;
  background: #eef4f6;
}

.split-panel p {
  color: #405160;
}

.process-list {
  display: grid;
  gap: 12px;
}

.process-list span {
  display: block;
  padding: 18px 20px;
  color: var(--white);
  background: var(--steel-dark);
  border-left: 4px solid var(--teal);
  border-radius: 6px;
}

.case-grid,
.case-list {
  display: grid;
  gap: 24px;
}

.case-card {
  display: grid;
  grid-template-columns: minmax(220px, 36%) 1fr;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.case-card img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
}

.case-card div {
  padding: 34px;
}

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

.page-map {
  background: var(--ink);
  color: var(--white);
}

.map-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.map-grid div {
  min-height: 144px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.map-grid strong,
.map-grid span {
  display: block;
}

.map-grid span {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.72);
}

.subhero {
  padding: 96px 5vw 70px;
  color: var(--white);
  background: linear-gradient(120deg, var(--ink), var(--steel-dark));
}

.subhero h1 {
  font-size: clamp(34px, 4.4vw, 58px);
}

.subhero p:last-child {
  max-width: 820px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.wide-visual {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  padding: 22px;
  border-bottom: 1px solid var(--line);
}

.timeline strong {
  color: var(--steel);
  font-size: 28px;
}

.product-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  align-items: start;
}

.filter-panel {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 8px;
  padding: 22px;
}

.filter-panel a {
  padding: 12px 14px;
  color: #344454;
  background: var(--cloud);
  border-radius: 6px;
}

.product-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(260px, 380px);
  gap: clamp(28px, 6vw, 96px);
  align-items: end;
  min-height: 520px;
  padding: 110px 5vw 76px;
  color: var(--white);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 78% 24%, rgba(36, 169, 154, 0.26), transparent 28%),
    linear-gradient(135deg, #101820, #15334b 52%, #0d1319);
  background-size: 64px 64px, 64px 64px, auto, auto;
}

.product-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -180px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
}

.product-hero-copy,
.product-hero-panel {
  position: relative;
  z-index: 1;
}

.product-hero-copy p:not(.eyebrow) {
  max-width: 740px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
}

.product-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.product-hero-actions span {
  padding: 9px 14px;
  color: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.product-hero-panel {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--deep-shadow);
  backdrop-filter: blur(16px);
}

.product-hero-panel span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
}

.product-hero-panel strong {
  display: block;
  margin: 18px 0 8px;
  color: var(--amber);
  font-size: 88px;
  line-height: 1;
}

.product-hero-panel p {
  color: rgba(255, 255, 255, 0.76);
}

.product-catalog {
  background:
    linear-gradient(135deg, rgba(31, 95, 139, 0.06), transparent 42%),
    var(--white);
}

.catalog-lead {
  max-width: 680px;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  max-width: 1420px;
  margin: 0 auto;
}

.product-card {
  position: relative;
  display: grid;
  gap: 0;
  min-height: 300px;
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  text-align: left;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 32px rgba(16, 24, 32, 0.06);
  cursor: pointer;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.product-card:hover,
.product-card:focus-visible {
  border-color: rgba(36, 169, 154, 0.78);
  box-shadow: 0 24px 56px rgba(16, 24, 32, 0.14);
  transform: translateY(-4px);
}

.product-card:focus-visible {
  outline: 3px solid rgba(36, 169, 154, 0.22);
  outline-offset: 3px;
}

.product-chip {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 1;
  padding: 6px 10px;
  color: var(--steel-dark);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(31, 95, 139, 0.16);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.product-card img {
  width: 100%;
  Height:90%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #edf4f6;
}

.product-card-body {
  display: grid;
  gap: 12px;
  padding: 24px;
}

.product-card-body strong {
  font-size: 22px;
  line-height: 1.28;
}

.product-card-body small {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.card-inline-meta {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 6px 10px;
  color: var(--steel-dark);
  background: #eef6f8;
  border: 1px solid rgba(31, 95, 139, 0.1);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.product-dialog {
  width: min(980px, calc(100vw - 32px));
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  border: 1px solid rgba(219, 227, 234, 0.9);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--deep-shadow);
}

.product-dialog::backdrop {
  background: rgba(13, 19, 25, 0.64);
  backdrop-filter: blur(6px);
}

.dialog-close {
      all:unset;
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.dialog-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1.1fr);
}

.dialog-visual {
    
      display: flex;
  justify-content: center;   /* 水平居中 */
  align-items: center;       /* 垂直居中 */
  min-height: 300px;
  background:
    linear-gradient(90deg, rgba(31, 95, 139, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(31, 95, 139, 0.08) 1px, transparent 1px),
    #eef4f6;
  background-size: 36px 36px;

  
}

.dialog-visual img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;

}

.dialog-content {
  padding: clamp(30px, 4vw, 48px);
}

.dialog-content p {
  color: #405160;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.spec-grid div {
  padding: 16px;
  background: var(--white);
}

.spec-grid dt {
  color: var(--muted);
  font-size: 13px;
}

.spec-grid dd {
  margin: 4px 0 0;
  color: var(--steel-dark);
  font-weight: 800;
}

.detail-block {
  margin: 10px 10px 10px;
  padding-top: 4px;
  margin-bottom: 28px;
}

.solution-card {
  padding: 30px;
}

.solution-card span {
  color: var(--amber);
  font-size: 32px;
  font-weight: 800;
}

.solution-card p,
.news-list p {
  color: var(--muted);
}

.advantages {
  background:
    linear-gradient(135deg, rgba(31, 95, 139, 0.08), transparent 48%),
    var(--cloud);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  max-width: 1420px;
  margin: 0 auto;
  background: transparent;
  border: 0;
}

.advantage-grid div {
  min-height: 230px;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 34px rgba(16, 24, 32, 0.06);
}

.advantage-grid strong {
  display: block;
  margin-bottom: 34px;
  color: var(--amber);
  font-size: 34px;
  line-height: 1;
}

.advantage-grid p {
  color: var(--muted);
}

.patents {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(135deg, var(--ink), #142838);
  background-size: 64px 64px, 64px 64px, auto;
  color: var(--white);
}

.patent-wall {
  display: grid;
  grid-template-columns: 1.15fr repeat(3, 0.95fr);
  gap: 18px;
  max-width: 1420px;
  margin: 0 auto;
}

.certificate {
  position: relative;
  min-height: 300px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03)),
    rgba(255, 255, 255, 0.05);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

.certificate::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(217, 154, 43, 0.28);
  pointer-events: none;
}

.certificate.large {
  background:
    linear-gradient(145deg, rgba(217, 154, 43, 0.18), rgba(36, 169, 154, 0.08)),
    rgba(255, 255, 255, 0.06);
}

.certificate span {
  display: block;
  margin-bottom: 96px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

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

.business-section {
  background: linear-gradient(180deg, var(--white), #edf4f6);
}

.business-card {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(300px, 1.1fr);
  gap: 56px;
  max-width: 1420px;
  margin: 0 auto;
  padding: clamp(34px, 5vw, 62px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(31, 95, 139, 0.96), rgba(16, 24, 32, 0.98)),
    var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--deep-shadow);
}

.business-card p {
  color: rgba(255, 255, 255, 0.76);
}

.business-track {
  display: grid;
  gap: 14px;
}

.business-track span {
  position: relative;
  padding: 20px 22px 20px 54px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
}

.business-track span::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 50%;
  width: 12px;
  height: 12px;
  background: var(--amber);
  border-radius: 50%;
  transform: translateY(-50%);
}

.news-section {
  background: var(--white);
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(280px, 0.85fr);
  gap: 24px;
  max-width: 1420px;
  margin: 0 auto;
}

.news-feature,
.news-stack article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 14px 34px rgba(16, 24, 32, 0.06);
}

.news-feature {
  min-height: 360px;
  padding: 42px;
  background:
    linear-gradient(135deg, rgba(31, 95, 139, 0.14), rgba(36, 169, 154, 0.07)),
    var(--white);
}

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

.news-stack article {
  padding: 26px;
}

.news-feature time,
.news-stack time {
  display: block;
  margin-bottom: 18px;
  color: var(--teal);
  font-weight: 700;
}

.news-feature h3 {
  max-width: 620px;
  font-size: clamp(26px, 3vw, 40px);
}

.news-feature p,
.news-stack p {
  color: var(--muted);
}



.news-list {
  display: grid;
  gap: 16px;
}

.news-list article {
  padding: 26px;
}

.news-list time {
  color: var(--teal);
  font-weight: 700;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(280px, 1fr);
  gap: 28px;
}

.contact-form,
.contact-info {
  padding: 28px;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #344454;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.map-placeholder {
  display: grid;
  place-items: center;
  min-height: 240px;
  margin-top: 24px;
  color: #405160;
  background:
    linear-gradient(90deg, rgba(31, 95, 139, 0.12) 1px, transparent 1px),
    linear-gradient(rgba(31, 95, 139, 0.12) 1px, transparent 1px),
    #eef4f6;
  background-size: 32px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}




.product-hero-getter {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    radial-gradient(circle at 82% 22%, rgba(36, 169, 154, 0.2), transparent 24%),
    linear-gradient(135deg, #101820, #18324a 55%, #0d1319);
}

.getter-grid .product-card img {
  padding: 20px 20px 0;
  object-fit: contain;
  background: linear-gradient(180deg, #f6fafc, #edf3f7);
  transition: transform 0.24s ease;
}

.getter-grid .product-card:hover img,
.getter-grid .product-card:focus-visible img {
  transform: scale(1.02);
}

.product-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  max-width: 1420px;
  margin: 0 auto 24px;
}

.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.category-button {
  min-height: 40px;
  padding: 0 16px;
  color: var(--steel-dark);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.category-button:hover,
.category-button:focus-visible {
  border-color: rgba(36, 169, 154, 0.7);
  transform: translateY(-2px);
}

.category-button.active {
  color: var(--white);
  background: linear-gradient(135deg, var(--steel), var(--teal));
  border-color: transparent;
}

.empty-state {
  max-width: 1420px;
  margin: 0 auto;
  padding: 28px;
  color: var(--muted);
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.empty-state.error {
  color: #8a3b23;
  background: #fff7f3;
  border-color: #f0c9b8;
}

.table-section {
  background: linear-gradient(180deg, #f8fbfc, #ffffff);
}

.table-shell {
  max-width: 1420px;
  margin: 0 auto;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 42px rgba(16, 24, 32, 0.08);
  -webkit-overflow-scrolling: touch;
}

.product-table {
  width: 100%;
  border-collapse: collapse;
}

.product-table th,
.product-table td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.product-table thead th {
  color: var(--steel-dark);
  font-size: 14px;
  background: #f3f7fa;
}

.product-table tbody tr {
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.product-table tbody tr:hover,
.product-table tbody tr:focus-visible {
  background: #f7fbfd;
}

.product-table tbody tr:focus-visible {
  outline: 2px solid rgba(36, 169, 154, 0.28);
  outline-offset: -2px;
}

.product-table tbody tr:last-child th,
.product-table tbody tr:last-child td {
  border-bottom: 0;
}

.product-table strong {
  color: var(--ink);
}

.getter-dialog .dialog-content {
  padding-top: 40px;
}

.detail-table-wrap {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
}

.detail-table th,
.detail-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.detail-table th {
  width: 30%;
  color: var(--muted);
  background: #f7fafb;
  font-weight: 700;
}

.detail-table tr:last-child th,
.detail-table tr:last-child td {
  border-bottom: 0;
}

.product-dialog .detail-block p {
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 5vw;
    left: 5vw;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

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

  .intro-grid,
  .split-panel,
  .product-layout,
  .contact-layout,
  .site-footer,
  .hero-inner,
  .company-showcase,
  .product-showcase,
  .product-feature,
  .product-hero,
  .business-card,
  .news-layout,
  .dialog-grid {
    grid-template-columns: 1fr;
  }

  .card-grid.three,
  .card-grid.two,
  .map-grid,
  .stats-band,
  .advantage-grid,
  .patent-wall,
  .home-news {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .dialog-visual {
    min-height: 320px;
  }

  .hero-panel {
    max-width: 420px;
  }

  .filter-panel {
    position: static;
  }

  .product-table {
    min-width: 860px;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 68px;
  }

  .site-nav {
    top: 68px;
  }

  .hero {
    min-height: 760px;
    padding-top: 120px;
  }

  .hero-slide {
    padding: 120px 6vw 88px;
    align-items: end;
  }

  .carousel-dots {
    right: auto;
    left: 6vw;
    bottom: 48px;
  }

  .hero::after {
    background: linear-gradient(180deg, rgba(16, 24, 32, 0.86), rgba(16, 24, 32, 0.92));
  }

  .section {
    padding: 58px 6vw;
  }

  .section-heading,
  .case-card {
    display: block;
  }

  .card-grid.three,
  .card-grid.two,
  .map-grid,
  .stats-band,
  .advantage-grid,
  .patent-wall,
  .home-news,
  .company-metrics,
  .product-list article,
  .product-grid,
  .spec-grid {
    grid-template-columns: 1fr;
  }

  .product-hero {
    min-height: 560px;
    padding: 92px 6vw 58px;
  }

  .product-hero-panel {
    display: none;
  }

  .product-card {
    min-height: 0;
  }

  .product-dialog {
    width: calc(100vw - 20px);
    max-height: calc(100vh - 20px);
  }

  .dialog-content {
    padding: 24px;
  }

  .detail-table th,
  .detail-table td,
  .product-table th,
  .product-table td {
    padding: 12px 14px;
  }

  .hero-panel {
    display: none;
  }

  .visual-caption {
    position: static;
    min-width: 0;
    border-radius: 0;
  }

  .case-card img {
    height: auto;
    min-height: 0;
  }

  .timeline div {
    grid-template-columns: 1fr;
  }
}