:root {
  --ink: #17212b;
  --muted: #617080;
  --line: #dfe5eb;
  --paper: #f7f9fb;
  --white: #ffffff;
  --yellow: #f4b423;
  --yellow-dark: #c47a00;
  --blue: #246d9f;
  --green: #2f7d5b;
  --graphite: #2d3742;
  --shadow: 0 18px 45px rgba(23, 33, 43, 0.13);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  align-items: center;
  gap: 18px;
  padding: 16px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(223, 229, 235, 0.82);
  background: rgba(247, 249, 251, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: clamp(150px, 15vw, 220px);
  max-height: 56px;
  object-fit: contain;
  object-position: left center;
}

.brand-mark {
  display: inline-grid;
  width: 56px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--yellow);
  color: var(--ink);
  font-weight: 950;
  font-size: 0.95rem;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 34px);
  color: var(--muted);
  font-weight: 750;
  font-size: 0.94rem;
}

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

.nav a.active {
  color: var(--ink);
}

.nav a.active::after {
  display: block;
  width: 100%;
  height: 3px;
  margin-top: 6px;
  border-radius: 999px;
  background: var(--yellow);
  content: "";
}

.header-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 850;
  line-height: 1;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.header-action {
  padding: 0 18px;
  color: var(--white);
  background: var(--ink);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 850;
  font-size: 0.84rem;
}

.language-switcher select {
  width: auto;
  min-height: 38px;
  padding: 0 32px 0 12px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  font-weight: 900;
  cursor: pointer;
}

.button {
  padding: 0 22px;
  border: 1px solid transparent;
  cursor: pointer;
}

.button:hover,
.header-action:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--ink);
  background: var(--yellow);
  box-shadow: 0 12px 26px rgba(196, 122, 0, 0.22);
}

.button.secondary {
  color: var(--ink);
  border-color: rgba(23, 33, 43, 0.18);
  background: var(--white);
}

.button.full {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: max(660px, calc(100vh - 150px));
  overflow: hidden;
  padding: clamp(42px, 7vw, 92px) clamp(18px, 4vw, 56px) 44px;
  color: var(--white);
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 48%;
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, rgba(12, 18, 24, 0.86) 0%, rgba(12, 18, 24, 0.58) 46%, rgba(12, 18, 24, 0.08) 100%),
    linear-gradient(0deg, rgba(12, 18, 24, 0.42), rgba(12, 18, 24, 0.06));
}

.hero-copy {
  align-self: center;
  width: min(760px, 100%);
  padding-bottom: 5vh;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--yellow);
  font-weight: 950;
  letter-spacing: 0;
  text-transform: uppercase;
  font-size: 0.82rem;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.55rem, 5.4vw, 5.25rem);
  line-height: 0.98;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.mobile-title {
  display: none;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 3.3vw, 3.7rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
  line-height: 1.25;
}

.hero-copy > p:not(.eyebrow),
.section-heading p,
.contact-copy p {
  font-size: 1.06rem;
  line-height: 1.68;
}

.hero-copy > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.82);
}

.hero-copy h2 {
  max-width: 720px;
  margin-top: -8px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.35rem, 2.4vw, 2.65rem);
  line-height: 1.14;
}

.section-heading p,
.contact-copy p {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 32px 0;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 620px;
  margin: 0;
}

.hero-metrics div {
  border-left: 4px solid var(--yellow);
  padding: 8px 10px 8px 14px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.hero-metrics dt {
  font-weight: 950;
  font-size: 1.35rem;
}

.hero-metrics dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.9rem;
}

.section {
  padding: clamp(54px, 7vw, 96px) clamp(18px, 4vw, 56px);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 28px;
}

.section-heading.compact {
  max-width: 520px;
}

.section-action {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

.intro-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 28px;
  padding-bottom: 28px;
  color: var(--white);
  background: var(--graphite);
}

.intro-band p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.55;
}

.text-link {
  flex: 0 0 auto;
  color: var(--yellow);
  font-weight: 900;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: #d9e1e8;
}

.trust-strip span {
  min-height: 74px;
  display: grid;
  place-items: center;
  padding: 14px;
  color: #17212b;
  background: #ffffff;
  font-weight: 900;
  text-align: center;
}

.trust-list {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.trust-list span {
  padding: 11px 13px;
  border-left: 4px solid var(--yellow);
  background: #f7f9fb;
  color: #263442;
  font-weight: 850;
}

.trust-list.compact {
  margin-top: 18px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-button {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--white);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.filter-button.active {
  color: var(--ink);
  border-color: var(--yellow);
  background: #fff6dc;
}

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

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 26px rgba(23, 33, 43, 0.06);
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: var(--white);
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.product-body p {
  color: var(--muted);
  line-height: 1.58;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 18px;
}

.tag-row span {
  padding: 6px 9px;
  border-radius: 6px;
  color: #375064;
  background: #edf3f7;
  font-weight: 800;
  font-size: 0.76rem;
}

.card-specs {
  display: grid;
  gap: 8px;
  margin: 2px 0 14px;
}

.card-specs div {
  display: grid;
  grid-template-columns: minmax(94px, 0.42fr) 1fr;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid #edf1f4;
}

.card-specs dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.card-specs dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 900;
}

.spare-parts-card {
  min-height: 320px;
  border-color: rgba(244, 180, 35, 0.42);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 800;
  font-size: 0.9rem;
}

.product-footer button,
.product-footer a {
  border: 0;
  color: var(--blue);
  background: transparent;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.home-products {
  background: var(--paper);
}

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

.family-card {
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 26px rgba(23, 33, 43, 0.06);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.family-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(23, 33, 43, 0.11);
}

.family-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #e7edf2;
}

.family-body {
  padding: 20px;
}

.family-body span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 9px;
  border-radius: 6px;
  color: #375064;
  background: #edf3f7;
  font-size: 0.76rem;
  font-weight: 850;
}

.family-body p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.58;
}

.home-about {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  background: var(--white);
}

.home-about-copy p {
  color: var(--muted);
  line-height: 1.68;
}

.mini-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.mini-stats div {
  display: grid;
  gap: 4px;
}

.mini-stats strong {
  color: #164f7d;
  font-size: 1.35rem;
  font-weight: 950;
}

.mini-stats span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.home-about-image,
.about-image {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.home-about-image img,
.about-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(26px, 5vw, 64px);
  background: var(--white);
}

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

.service-list article,
.application-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--paper);
}

.service-list span {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--green);
  font-weight: 950;
}

.service-list p,
.application-grid p,
.timeline p,
.site-footer p,
.form-note {
  color: var(--muted);
  line-height: 1.58;
}

.applications {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.2)),
    var(--paper);
}

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

.application-grid article {
  background: var(--white);
}

.process {
  background: #eef3f6;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  min-height: 220px;
  padding: 24px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 22px rgba(23, 33, 43, 0.06);
}

.timeline span {
  display: grid;
  width: 38px;
  height: 38px;
  margin-bottom: 28px;
  place-items: center;
  border-radius: 8px;
  color: var(--ink);
  background: var(--yellow);
  font-weight: 950;
}

.timeline strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 0.7fr);
  gap: clamp(26px, 5vw, 62px);
  padding: clamp(54px, 7vw, 96px) clamp(18px, 4vw, 56px);
  color: var(--white);
  background: linear-gradient(135deg, #17212b 0%, #2d3742 62%, #334d60 100%);
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.74);
}

.contact-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.contact-methods a {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: var(--yellow);
  font-weight: 850;
}

.inquiry-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  color: #3e4b57;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fbfdff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(244, 180, 35, 0.22);
  border-color: var(--yellow);
}

.form-note {
  margin: 0;
  font-size: 0.88rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  background: var(--white);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--blue);
  font-weight: 900;
}

.product-type {
  margin: 0 0 8px;
  color: var(--yellow-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.product-image-link {
  display: block;
  background: var(--white);
}

.catalog-hero {
  padding: clamp(48px, 8vw, 110px) clamp(18px, 4vw, 56px) clamp(34px, 5vw, 64px);
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(23, 33, 43, 0.92), rgba(45, 55, 66, 0.72)),
    url("assets/products/hero-lineup.jpg") center / cover;
}

.catalog-hero h1 {
  max-width: 940px;
  margin-bottom: 18px;
}

.catalog-hero p:not(.eyebrow) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
  line-height: 1.65;
}

.catalog-section {
  padding-top: 36px;
}

.catalog-tools {
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.search-box {
  margin: 0;
}

.catalog-filter {
  margin: 0;
}

.catalog-count {
  margin: 0 0 20px;
  color: var(--muted);
  font-weight: 850;
}

.catalog-card .product-body p:not(.product-type) {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.page-hero {
  padding: clamp(70px, 10vw, 150px) clamp(18px, 7vw, 96px);
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(21, 73, 112, 0.94), rgba(88, 125, 151, 0.82)),
    url("assets/products/hero-lineup.jpg") center / cover;
}

.page-hero h1 {
  max-width: 820px;
  margin-bottom: 14px;
}

.page-hero p:not(.eyebrow) {
  max-width: 560px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.08rem;
  line-height: 1.65;
}

.about-overview {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
  background: var(--white);
}

.about-copy p {
  color: var(--muted);
  line-height: 1.68;
}

.about-image {
  margin: 0;
}

.about-image figcaption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 11px 14px;
  border-radius: 6px;
  color: var(--white);
  background: var(--yellow-dark);
  font-weight: 900;
}

.section-heading.center {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.milestones-section,
.values-section {
  background: #eef3f6;
}

.milestone-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.milestone-grid article {
  min-height: 116px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 22px rgba(23, 33, 43, 0.05);
}

.milestone-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--yellow-dark);
  font-weight: 950;
}

.milestone-grid strong {
  display: block;
  color: #24313d;
  font-size: 0.92rem;
  line-height: 1.42;
}

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

.global-banner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin: 34px 0 28px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.16);
  color: var(--white);
  background-color: #164f7d;
}

.global-banner div {
  display: grid;
  place-items: center;
  min-height: 120px;
  padding: 18px;
  text-align: center;
}

.global-banner strong {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  font-weight: 950;
}

.global-banner span {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 750;
}

.global-card-grid,
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

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

.global-card-grid article,
.value-grid article {
  min-height: 170px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.global-card-grid p,
.value-grid p {
  color: var(--muted);
  line-height: 1.58;
}

.cta-band {
  padding: clamp(54px, 7vw, 86px) clamp(18px, 4vw, 56px);
  color: var(--white);
  background: #104a75;
  text-align: center;
}

.cta-band h2 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.cta-band p {
  max-width: 560px;
  margin: 0 auto 24px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
}

.cta-band div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.button.secondary.dark {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
}

.contact-page-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(320px, 0.75fr);
  gap: clamp(26px, 5vw, 62px);
  align-items: start;
  background: var(--white);
}

.contact-simple-layout {
  display: flex;
  justify-content: center;
}

.contact-simple-layout .contact-card-panel {
  width: min(100%, 680px);
}

.contact-card-panel {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.contact-info-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.contact-info-list a,
.contact-info-list div {
  display: grid;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.contact-info-list a {
  color: inherit;
  text-decoration: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.contact-info-list a:hover {
  border-color: rgba(244, 180, 35, 0.7);
  box-shadow: 0 10px 24px rgba(23, 33, 43, 0.08);
  transform: translateY(-1px);
}

.contact-info-list span {
  color: var(--muted);
  font-weight: 850;
  font-size: 0.84rem;
}

.contact-info-list strong {
  color: var(--ink);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.contact-form {
  box-shadow: 0 8px 26px rgba(23, 33, 43, 0.06);
}

.simple-contact-layout {
  align-items: stretch;
}

.inquiry-panel {
  display: flex;
  flex-direction: column;
}

.inquiry-panel p {
  color: var(--muted);
  line-height: 1.6;
}

.inquiry-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 28px;
  padding: 0;
  list-style: none;
}

.inquiry-list li {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: #2f3d49;
  font-weight: 800;
}

.inquiry-panel .button {
  margin-top: auto;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
  max-width: 100vw;
  overflow: hidden;
  padding: clamp(44px, 7vw, 92px) clamp(18px, 4vw, 56px);
  background: linear-gradient(135deg, #ffffff 0%, #f7f9fb 55%, #edf3f7 100%);
}

.detail-copy {
  min-width: 0;
  max-width: 780px;
}

.detail-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.68;
}

.back-link {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--blue);
  font-weight: 900;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.detail-image {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.detail-image img {
  width: 100%;
  aspect-ratio: 1.45 / 1;
  object-fit: contain;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 22px;
  align-items: start;
  max-width: 100vw;
}

.detail-panel,
.detail-side {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 26px rgba(23, 33, 43, 0.06);
}

.detail-panel {
  min-width: 0;
  padding: 24px;
}

.detail-panel .section-heading {
  margin-bottom: 22px;
}

.detail-panel .section-heading h2 {
  font-size: clamp(1.75rem, 2.4vw, 2.45rem);
  line-height: 1.08;
}

.detail-side {
  min-width: 0;
  position: sticky;
  top: 92px;
  padding: 22px;
}

.detail-side dl {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
}

.detail-side dl div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.detail-side dt {
  color: var(--muted);
  font-weight: 850;
}

.detail-side dd {
  margin: 0;
  font-weight: 900;
}

.spec-table-wrap {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  max-height: 780px;
  overflow: auto;
  border: 1px solid #cfd7df;
  border-radius: 8px;
  background: var(--white);
}

.spec-table {
  width: 100%;
  min-width: 760px;
  border-collapse: separate;
  border-spacing: 0;
  color: #27333f;
  font-size: 0.84rem;
  line-height: 1.35;
}

.spec-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 11px 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--white);
  background: #2d3742;
  text-align: left;
  font-weight: 900;
}

.spec-table th:nth-child(2),
.spec-table th:nth-child(4) {
  width: 28%;
}

.spec-table-single {
  min-width: 560px;
}

.spec-table-single th:first-child,
.spec-table-single td.spec-item {
  width: 34%;
}

.spec-table-single th:nth-child(2),
.spec-table-single td.spec-value {
  width: 66%;
}

.spec-table td {
  padding: 10px 14px;
  border-top: 1px solid #dfe5eb;
  border-right: 1px solid #dfe5eb;
  vertical-align: top;
  background: #fbfdff;
}

.spec-table tbody tr:nth-child(even) td:not(.spec-section-row) {
  background: #f3f6f8;
}

.spec-table th:last-child,
.spec-table td:last-child {
  border-right: 0;
}

.spec-item {
  width: 22%;
  color: #394754;
  font-weight: 850;
}

.spec-value {
  color: #17212b;
}

.spec-section-row {
  color: var(--white);
  background: #687684 !important;
  font-weight: 950;
  text-transform: uppercase;
}

.spec-pre {
  max-height: 760px;
  overflow: auto;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #27333f;
  background: #fbfdff;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

.related-section {
  padding-top: 18px;
}

.authorization-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: 24px;
  align-items: stretch;
}

.authorization-copy,
.certificate-placeholder,
.contact-card-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 26px rgba(23, 33, 43, 0.06);
}

.authorization-copy {
  padding: clamp(24px, 4vw, 42px);
}

.certificate-placeholder {
  display: grid;
  min-height: 320px;
  place-items: center;
  padding: 28px;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(244, 180, 35, 0.12), rgba(255, 255, 255, 0.92)),
    repeating-linear-gradient(135deg, #ffffff 0, #ffffff 12px, #f6f8fa 12px, #f6f8fa 24px);
}

.certificate-placeholder span {
  color: var(--ink);
  font-size: clamp(1.35rem, 2.3vw, 2.1rem);
  font-weight: 950;
}

.certificate-placeholder p,
.certificate-placeholder small {
  max-width: 360px;
  color: var(--muted);
  line-height: 1.6;
}

.certificate-large {
  min-height: 460px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.form-grid label {
  display: grid;
  gap: 7px;
  color: #324252;
  font-weight: 850;
  font-size: 0.88rem;
}

.form-grid input,
.form-grid textarea,
.language-switcher select {
  border: 1px solid var(--line);
  font: inherit;
}

.form-grid input,
.form-grid textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fbfdff;
  color: var(--ink);
}

.form-grid textarea {
  resize: vertical;
}

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

.form-note,
.form-status {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.form-status {
  padding: 11px 13px;
  border-left: 4px solid var(--yellow);
  background: #fff8e6;
  color: #47330a;
  font-weight: 850;
}

.yjx-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1.4fr) repeat(2, minmax(180px, 0.8fr));
  gap: 28px;
  align-items: start;
}

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

.yjx-footer strong {
  color: var(--white);
  font-size: 1rem;
}

.yjx-footer p,
.yjx-footer a {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.5;
}

@media (max-width: 1040px) {
  .site-header {
    gap: 12px;
  }

  .language-switcher span {
    display: none;
  }

  .split-section,
  .contact-section,
  .home-about,
  .about-overview,
  .authorization-layout,
  .contact-page-layout,
  .detail-hero,
  .detail-layout,
  .catalog-tools {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 680px;
  }

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

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

  .detail-side {
    position: static;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: sticky;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
    padding: 10px 10px 10px 14px;
  }

  .brand {
    gap: 9px;
  }

  .brand-logo {
    width: 132px;
    max-height: 44px;
  }

  .brand-mark {
    width: 50px;
    height: 40px;
  }

  .brand strong {
    max-width: 146px;
    overflow: hidden;
    font-size: 0.94rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .brand small {
    display: none;
  }

  .nav,
  .header-action {
    display: none;
  }

  .menu-toggle {
    display: block;
    position: absolute;
    top: 10px;
    right: max(10px, calc(100vw - 380px));
  }

  .language-switcher {
    position: absolute;
    top: 10px;
    right: max(60px, calc(100vw - 330px));
    justify-self: end;
  }

  .language-switcher select {
    min-height: 42px;
    max-width: 72px;
    padding-left: 10px;
    padding-right: 24px;
  }

  .site-header.menu-open .nav {
    display: grid;
    grid-column: 1 / -1;
    justify-content: stretch;
    gap: 0;
    padding-top: 10px;
  }

  .site-header.menu-open .nav a {
    padding: 13px 0;
    border-top: 1px solid var(--line);
  }

  .nav a.active::after {
    width: 42px;
    margin-top: 8px;
  }

  h1 {
    font-size: clamp(2.1rem, 9vw, 2.65rem);
    line-height: 1.03;
  }

  html[lang="zh-CN"] .hero h1 {
    font-size: clamp(1.85rem, 8vw, 2.15rem);
    line-height: 1.08;
  }

  .desktop-title {
    display: none;
  }

  .mobile-title {
    display: inline;
  }

  .hero {
    min-height: 660px;
    padding: 34px 20px 34px;
  }

  .hero-copy {
    width: min(calc(100vw - 40px), 350px);
    max-width: 350px;
  }

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

  .hero-actions .button {
    width: 100%;
    min-width: 0;
    padding: 0 10px;
    white-space: nowrap;
  }

  .hero::after {
    background:
      linear-gradient(180deg, rgba(12, 18, 24, 0.9) 0%, rgba(12, 18, 24, 0.56) 58%, rgba(12, 18, 24, 0.14) 100%);
  }

  .hero-media img {
    object-position: 58% bottom;
  }

  .hero-metrics,
  .product-grid,
  .family-grid,
  .trust-strip,
  .service-list,
  .application-grid,
  .timeline,
  .milestone-grid,
  .global-banner,
  .global-card-grid,
  .value-grid,
  .mini-stats {
    grid-template-columns: 1fr;
  }

  .intro-band,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .yjx-footer,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .intro-band > div,
  .intro-band .text-link {
    max-width: 350px;
  }

  .contact-methods {
    flex-direction: column;
  }

  .page-hero {
    max-width: 100vw;
    overflow: hidden;
    padding: 58px 20px;
  }

  .page-hero h1 {
    font-size: clamp(2.25rem, 11vw, 3rem);
  }

  .home-about,
  .about-overview,
  .authorization-layout,
  .contact-page-layout,
  .contact-card-panel,
  .about-copy,
  .home-about-copy,
  .authorization-copy,
  .certificate-placeholder,
  .about-image,
  .home-about-image {
    width: 100%;
    max-width: calc(100vw - 40px);
    min-width: 0;
  }

  .home-about,
  .about-overview,
  .authorization-layout,
  .contact-page-layout {
    max-width: 100vw;
    overflow: hidden;
  }

  .about-copy h2,
  .home-about-copy h2,
  .contact-card-panel h2,
  .about-copy p,
  .home-about-copy p,
  .contact-card-panel p {
    max-width: 100%;
    overflow-wrap: break-word;
  }

  .global-banner div {
    min-height: 92px;
  }

  .cta-band div {
    display: grid;
  }

  .cta-band .button {
    width: 100%;
  }

  .catalog-hero h1,
  .detail-copy h1 {
    font-size: clamp(2.25rem, 11vw, 3rem);
  }

  .detail-hero {
    gap: 22px;
    padding: 26px 20px 30px;
  }

  .back-link {
    margin-bottom: 14px;
  }

  .detail-copy p:not(.eyebrow) {
    font-size: 0.98rem;
    line-height: 1.58;
  }

  .detail-actions {
    display: grid;
    width: calc(100vw - 40px);
    max-width: 100%;
    margin-top: 20px;
  }

  .detail-actions .button,
  .detail-copy,
  .detail-image {
    width: 100%;
    max-width: calc(100vw - 40px);
  }

  .detail-layout,
  .detail-panel,
  .detail-side,
  .spec-table-wrap {
    width: 100%;
    max-width: calc(100vw - 40px);
  }

  .detail-layout {
    gap: 16px;
    padding: 24px 12px 36px;
  }

  .detail-panel,
  .detail-side,
  .spec-table-wrap {
    max-width: calc(100vw - 24px);
  }

  .detail-copy p:not(.eyebrow) {
    overflow-wrap: break-word;
  }

  .detail-panel {
    padding: 12px;
  }

  .spec-table-wrap {
    max-height: none;
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .spec-table {
    display: block;
    min-width: 0;
    border-collapse: collapse;
    font-size: 0.92rem;
  }

  .spec-table thead {
    display: none;
  }

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

  .spec-table tr,
  .spec-table td {
    display: block;
  }

  .spec-table tr.spec-section {
    overflow: hidden;
    border-radius: 8px;
  }

  .spec-table tr.spec-pair {
    overflow: hidden;
    border: 1px solid #dfe5eb;
    border-radius: 8px;
    background: var(--white);
  }

  .spec-table td {
    border: 0;
  }

  .spec-table tbody tr:nth-child(even) td:not(.spec-section-row) {
    background: transparent;
  }

  .spec-table-single th:first-child,
  .spec-table-single td.spec-item,
  .spec-table-single th:nth-child(2),
  .spec-table-single td.spec-value,
  .spec-item {
    width: auto;
  }

  .spec-section-row {
    padding: 12px 14px;
    font-size: 1.02rem;
    line-height: 1.25;
  }

  .spec-item {
    padding: 11px 14px 5px;
    color: #586876;
    background: #f6f9fb !important;
    font-size: 0.78rem;
    line-height: 1.35;
  }

  .spec-value {
    padding: 0 14px 12px;
    color: #17212b;
    background: #f6f9fb !important;
    font-size: 1.02rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
  }

  .spec-pre {
    font-size: 0.74rem;
  }
}

@media (max-width: 560px) {
  .brand > span:not(.brand-mark) {
    display: none;
  }
}