:root {
  --ink: #132032;
  --muted: #617083;
  --navy: #174363;
  --navy-2: #0c2c44;
  --gold: #f4ae24;
  --cyan: #46b7c8;
  --green: #5b8f72;
  --line: #d9e0e7;
  --panel: #f4f7fa;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(12, 44, 68, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  background: var(--white);
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 28px;
  padding: 18px clamp(20px, 4vw, 64px);
  color: var(--white);
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-header[data-elevated="true"],
.site-header.menu-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 30px rgba(19, 32, 50, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.brand-mark {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark span {
  color: var(--gold);
}

.brand-mark strong {
  color: currentColor;
}

.brand-sub {
  font-size: 11px;
  color: currentColor;
  opacity: 0.74;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 1.7vw, 24px);
  font-size: 14px;
  font-weight: 600;
}

.nav a {
  opacity: 0.88;
}

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

.header-cta,
.primary-button,
.secondary-button,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0 18px;
  font-weight: 700;
  cursor: pointer;
}

.header-cta {
  color: var(--ink);
  background: var(--gold);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 6px;
  padding: 4px;
  color: currentColor;
  font-size: 12px;
  font-weight: 800;
}

.site-header[data-elevated="true"] .language-switch,
.site-header.menu-open .language-switch {
  border-color: var(--line);
}

.language-switch a {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 4px;
  padding: 0 8px;
  opacity: 0.78;
}

.language-switch a.active {
  color: var(--ink);
  background: var(--gold);
  opacity: 1;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 6px;
  color: inherit;
  background: transparent;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-2);
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.06);
}

.hero-overlay {
  background:
    linear-gradient(
      90deg,
      rgba(8, 26, 42, 0.9) 0%,
      rgba(8, 26, 42, 0.72) 42%,
      rgba(8, 26, 42, 0.25) 100%
    ),
    linear-gradient(180deg, rgba(8, 26, 42, 0.35) 0%, rgba(8, 26, 42, 0.88) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 920px;
  padding: 160px clamp(22px, 6vw, 86px) 220px;
}

.eyebrow,
.section-kicker,
.label {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6.2vw, 82px);
  line-height: 1.04;
  letter-spacing: 0;
}

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

h3 {
  font-size: 24px;
  line-height: 1.22;
}

.hero-copy {
  max-width: 780px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

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

.secondary-button {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

.hero-proof {
  position: absolute;
  left: clamp(22px, 6vw, 86px);
  right: clamp(22px, 6vw, 86px);
  bottom: 32px;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-proof div {
  padding: 24px 24px 8px 0;
}

.hero-proof strong {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: clamp(24px, 3.4vw, 42px);
}

.hero-proof span {
  color: rgba(255, 255, 255, 0.76);
}

.section {
  padding: clamp(72px, 9vw, 132px) clamp(22px, 6vw, 86px);
}

.intro {
  background: linear-gradient(180deg, #ffffff 0%, #f3f7fa 100%);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(32px, 7vw, 96px);
  align-items: start;
}

.intro-grid p,
.section-heading p,
.intelligence-copy p,
.contact p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 6vw, 86px);
  align-items: end;
  margin-bottom: 44px;
}

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

.capability-grid article,
.capability-grid a {
  min-height: 310px;
  padding: 30px;
  background: var(--white);
}

.capability-grid span,
.process-rail span {
  color: var(--gold);
  font-weight: 900;
}

.capability-grid p,
.process-rail p,
.network-grid p,
.product-copy p {
  color: var(--muted);
  line-height: 1.72;
}

.heritage {
  background: #ffffff;
}

.heritage-layout {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(30px, 6vw, 78px);
  align-items: stretch;
}

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

.history-list article {
  border-left: 4px solid var(--gold);
  padding: 22px 0 22px 24px;
  background: linear-gradient(90deg, rgba(244, 174, 36, 0.08), transparent);
}

.history-list span {
  color: var(--navy);
  font-weight: 900;
}

.history-list h3 {
  margin: 10px 0;
}

.history-list p {
  color: var(--muted);
  line-height: 1.72;
}

.heritage-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
}

.heritage-photos img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 18px 42px rgba(12, 44, 68, 0.12);
}

.heritage-photos img:first-child {
  grid-row: span 2;
}

.tech-reserve {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 34px;
  background: var(--line);
  border: 1px solid var(--line);
}

.tech-reserve div {
  padding: 26px;
  background: var(--panel);
}

.tech-reserve strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 30px;
}

.tech-reserve span {
  color: var(--muted);
  line-height: 1.5;
}

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

.equipment-nav {
  position: sticky;
  top: 78px;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 40px rgba(12, 44, 68, 0.08);
  backdrop-filter: blur(14px);
}

.equipment-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 14px;
  color: var(--navy);
  background: var(--white);
  font-size: 14px;
  font-weight: 900;
}

.equipment-nav a:hover {
  border-color: var(--gold);
  background: #fff8e8;
}

.equipment-list {
  display: grid;
  gap: 26px;
}

.equipment-card {
  display: grid;
  grid-template-columns: 0.42fr 0.58fr;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 22px 54px rgba(12, 44, 68, 0.1);
}

.equipment-visual {
  display: grid;
  place-items: center;
  min-height: 460px;
  padding: 34px;
  background: linear-gradient(180deg, #ffffff, #eef4f7);
}

.equipment-visual img {
  max-height: 380px;
  object-fit: contain;
}

.equipment-body {
  padding: clamp(28px, 4vw, 46px);
}

.equipment-lead {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.76;
}

.equipment-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.equipment-tabs span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  border-radius: 6px;
  padding: 0 12px;
  color: var(--white);
  background: var(--navy);
  font-size: 13px;
  font-weight: 900;
}

.equipment-columns {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
}

.equipment-columns h4 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 16px;
}

.equipment-columns ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.62;
}

.equipment-columns table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.equipment-columns th,
.equipment-columns td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.equipment-columns th {
  width: 34%;
  color: var(--navy);
  background: #eef4f7;
  font-weight: 900;
}

.equipment-columns td {
  color: var(--muted);
  background: var(--white);
}

.equipment-app {
  margin-top: 24px;
  border-left: 4px solid var(--gold);
  padding: 18px 20px;
  background: #fff8e8;
}

.equipment-app strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
}

.equipment-app p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.product-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 28px;
}

.product-tabs {
  display: grid;
  gap: 10px;
  align-content: start;
}

.tab {
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 18px;
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  text-align: left;
  background: var(--white);
  cursor: pointer;
}

.tab.active {
  color: var(--white);
  background: var(--navy);
  border-color: var(--navy);
}

.product-stage {
  position: relative;
  min-height: 620px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.product-panel {
  display: none;
  min-height: 620px;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 24px;
  align-items: center;
  padding: clamp(28px, 5vw, 64px);
}

.product-panel.active {
  display: grid;
}

.product-panel img {
  justify-self: center;
  max-height: 480px;
  object-fit: contain;
}

.product-copy dl {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
}

.product-copy dl div {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

dt {
  color: var(--navy);
  font-weight: 900;
}

dd {
  margin: 0;
  color: var(--muted);
}

.application-box {
  margin-top: 26px;
  padding: 20px;
  border: 1px solid rgba(23, 67, 99, 0.16);
  border-radius: 8px;
  background: #f7fafc;
}

.application-box strong {
  display: block;
  margin-bottom: 12px;
  color: var(--navy);
  font-size: 16px;
}

.application-box ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.62;
}

.series-400 {
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(19, 32, 50, 0.98), rgba(23, 67, 99, 0.94)),
    radial-gradient(circle at 18% 24%, rgba(244, 174, 36, 0.2), transparent 30%);
}

.series-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(34px, 7vw, 92px);
  align-items: center;
}

.series-copy h2,
.series-copy p {
  color: var(--white);
}

.series-copy p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  line-height: 1.84;
}

.series-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.series-tags span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  padding: 0 14px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px;
  font-weight: 800;
}

.series-machine {
  min-height: 460px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.28);
}

.series-machine img {
  max-height: 430px;
  object-fit: contain;
}

.series-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.series-detail-grid article {
  min-height: 310px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
}

.series-detail-grid h3 {
  color: var(--gold);
}

.series-detail-grid p,
.series-detail-grid li {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.68;
}

.series-detail-grid ul {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding-left: 18px;
}

.machining-map {
  background: linear-gradient(180deg, #ffffff 0%, #eef4f7 100%);
}

.match-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.match-grid article {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(12, 44, 68, 0.08);
}

.match-grid h3 {
  margin-bottom: 16px;
}

.match-grid p {
  color: var(--muted);
  line-height: 1.72;
}

.match-grid span {
  display: block;
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: var(--navy);
  font-weight: 900;
  line-height: 1.5;
}

.intelligence {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(34px, 7vw, 92px);
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(12, 44, 68, 0.96), rgba(23, 67, 99, 0.94)),
    radial-gradient(circle at 84% 18%, rgba(70, 183, 200, 0.28), transparent 32%);
}

.intelligence h2,
.intelligence p {
  color: var(--white);
}

.intelligence-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.intelligence-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 34px;
}

.intelligence-list div {
  border-left: 3px solid var(--gold);
  padding-left: 16px;
}

.intelligence-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 24px;
}

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

.intelligence-modules {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.intelligence-modules article {
  min-height: 360px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
}

.intelligence-modules span {
  color: var(--gold);
  font-weight: 900;
}

.intelligence-modules p,
.intelligence-modules li {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.68;
}

.intelligence-modules ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding-left: 18px;
}

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

.dashboard-stack img {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

.dash-sub {
  width: 74% !important;
  justify-self: end;
}

.network-grid {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, 1fr);
  gap: 18px;
}

.base-map {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 22px;
  margin-bottom: 26px;
}

.map-canvas {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at 62% 42%, rgba(23, 67, 99, 0.22) 0 2px, transparent 3px),
    linear-gradient(135deg, #eef4f7, #ffffff);
}

.map-canvas::before {
  content: "";
  position: absolute;
  inset: 54px 54px 66px 46px;
  border-radius: 44% 50% 42% 46%;
  background: #d8e5ec;
  box-shadow:
    78px 38px 0 8px #c7d9e2,
    36px 112px 0 20px #e2ebef,
    150px 142px 0 12px #c4d6df,
    214px 190px 0 9px #d8e5ec;
  clip-path: polygon(
    10% 44%,
    20% 21%,
    42% 12%,
    68% 18%,
    85% 35%,
    92% 57%,
    75% 74%,
    56% 88%,
    35% 80%,
    18% 68%
  );
}

.map-canvas::after {
  content: "";
  position: absolute;
  left: 61%;
  top: 62%;
  width: 70px;
  height: 128px;
  border-radius: 42% 54% 44% 50%;
  background: #d1e0e8;
  transform: rotate(18deg);
}

.pin {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border-radius: 999px;
  padding: 0 12px 0 28px;
  color: var(--white);
  background: var(--navy);
  box-shadow: 0 14px 28px rgba(12, 44, 68, 0.24);
  font-size: 13px;
}

.pin::before {
  content: "";
  position: absolute;
  left: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
}

.pin-quanzhou {
  left: 66%;
  top: 50%;
}

.pin-jiangxi {
  left: 54%;
  top: 48%;
}

.pin-vietnam {
  left: 63%;
  top: 75%;
}

.map-label {
  position: absolute;
  z-index: 2;
  color: rgba(23, 67, 99, 0.42);
  font-size: 48px;
  font-weight: 900;
}

.label-china {
  left: 16%;
  top: 20%;
}

.label-vn {
  right: 8%;
  bottom: 12%;
  font-size: 30px;
}

.base-summary {
  display: grid;
  gap: 14px;
}

.base-summary article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: var(--white);
}

.base-summary span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.base-summary h3 {
  margin: 8px 0 10px;
}

.base-summary p {
  color: var(--muted);
  line-height: 1.66;
}

.base-summary strong {
  display: block;
  color: var(--navy);
}

.network-grid article {
  min-height: 280px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.network-grid article:not(.network-photo) {
  display: flex;
  flex-direction: column;
  justify-content: end;
}

.network-grid span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.network-photo {
  grid-row: span 2;
  padding: 0 !important;
  overflow: hidden;
}

.network-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.process {
  background: #f7f2e8;
}

.process-rail {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: rgba(19, 32, 50, 0.18);
  border: 1px solid rgba(19, 32, 50, 0.18);
}

.process-rail div {
  min-height: 260px;
  padding: 28px;
  background: #fffaf0;
}

.process-rail strong {
  display: block;
  margin: 18px 0 12px;
  font-size: 22px;
}

.industry-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.industry-strip span {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 18px;
  color: var(--navy);
  background: var(--panel);
  font-weight: 800;
}

.contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 6vw, 82px);
  padding: clamp(72px, 9vw, 120px) clamp(22px, 6vw, 86px);
  color: var(--white);
  background: var(--navy-2);
}

.contact h2 {
  color: var(--white);
}

.contact p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 700;
}

.contact-form label:first-child,
.contact-form label:nth-child(4),
.contact-form button {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  padding: 14px 14px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
}

.contact-form select option {
  color: var(--ink);
}

.contact-form textarea {
  min-height: 118px;
  resize: vertical;
}

.contact-form button {
  color: var(--ink);
  background: var(--gold);
  font: inherit;
  font-weight: 900;
}

.contact-form button:disabled {
  cursor: default;
  opacity: 0.78;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(22px, 6vw, 86px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--white);
}

.footer .brand-mark strong {
  color: var(--navy);
}

.footer p {
  margin: 0;
  align-self: center;
}

.page-hero {
  min-height: 520px;
  display: grid;
  align-items: end;
  padding: 150px clamp(22px, 6vw, 86px) 80px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(8, 26, 42, 0.9), rgba(8, 26, 42, 0.58)),
    url("assets/optimized/factory-wide.webp") center / cover;
}

.page-hero h1 {
  max-width: 900px;
  margin-bottom: 20px;
}

.page-hero p {
  max-width: 820px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  line-height: 1.75;
}

.page-section {
  padding: clamp(64px, 8vw, 110px) clamp(22px, 6vw, 86px);
}

.two-col {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

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

.info-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  background: var(--white);
  box-shadow: 0 16px 38px rgba(12, 44, 68, 0.08);
}

.info-card h3 {
  margin-bottom: 12px;
}

.info-card p,
.info-card li {
  color: var(--muted);
  line-height: 1.68;
}

.info-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
}

.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.catalog-toolbar a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 14px;
  color: var(--navy);
  background: var(--white);
  font-size: 14px;
  font-weight: 900;
}

.catalog-group {
  margin-top: 42px;
}

.catalog-group h2 {
  margin-bottom: 18px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.product-card {
  display: grid;
  grid-template-rows: 220px auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  background: #f5f8fa;
}

.product-card div {
  padding: 18px;
}

.product-card h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.product-card p {
  margin-bottom: 12px;
  color: var(--muted);
  line-height: 1.55;
}

.product-card span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

.spec-table th,
.spec-table td {
  border: 1px solid var(--line);
  padding: 14px;
  text-align: left;
}

.spec-table th {
  color: var(--navy);
  background: #eef4f7;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.flow-grid article {
  min-height: 220px;
  padding: 24px;
  background: var(--white);
}

.flow-grid span {
  color: var(--gold);
  font-weight: 900;
}

@media (max-width: 1100px) {
  .info-grid,
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col,
  .flow-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .info-grid,
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .page-hero {
    min-height: 460px;
    padding-top: 130px;
  }
}

@media (max-width: 1100px) {
  .capability-grid,
  .process-rail,
  .match-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .product-panel,
  .equipment-card,
  .intelligence,
  .contact,
  .section-heading,
  .intro-grid,
  .series-grid,
  .heritage-layout,
  .base-map,
  .category-feature {
    grid-template-columns: 1fr;
  }

  .series-detail-grid,
  .intelligence-modules {
    grid-template-columns: 1fr;
  }

  .tech-reserve {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav,
  .header-cta,
  .language-switch {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .site-header.menu-open .nav {
    position: absolute;
    top: 74px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-header.menu-open .nav a {
    padding: 16px 18px;
    border-bottom: 1px solid var(--line);
  }

  .site-header.menu-open .language-switch {
    position: absolute;
    top: 76px;
    right: 26px;
    display: inline-flex;
    color: var(--ink);
    background: var(--white);
    box-shadow: 0 12px 30px rgba(19, 32, 50, 0.1);
  }

  .hero {
    min-height: 860px;
  }

  .hero-content {
    padding: 128px 22px 320px;
  }

  .hero-proof {
    grid-template-columns: 1fr 1fr;
    left: 22px;
    right: 22px;
  }

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

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

  .product-stage,
  .product-panel {
    min-height: 0;
  }

  .equipment-nav {
    position: static;
  }

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

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

  .product-panel {
    padding: 26px;
  }

  .intelligence-list,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .dash-sub {
    width: 100% !important;
  }

  .series-machine {
    min-height: 330px;
  }

  .heritage-photos {
    grid-template-columns: 1fr;
  }

  .heritage-photos img:first-child {
    grid-row: auto;
  }
}

@media (max-width: 620px) {
  .brand-mark {
    font-size: 27px;
  }

  .capability-grid,
  .process-rail,
  .network-grid,
  .match-grid,
  .tech-reserve {
    grid-template-columns: 1fr;
  }

  .map-canvas {
    min-height: 360px;
  }

  .map-label {
    font-size: 34px;
  }

  .pin {
    font-size: 12px;
  }

  .network-photo {
    grid-row: auto;
  }

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

  .hero-proof div {
    padding: 14px 0;
  }

  .footer {
    display: grid;
  }
}

/* Enhancement pass: conversion modules, hover polish, and mobile density. */
.primary-button,
.header-cta {
  box-shadow: 0 10px 22px rgba(244, 174, 36, 0.24);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.primary-button:hover,
.header-cta:hover {
  background: #ffc247;
  box-shadow: 0 14px 30px rgba(244, 174, 36, 0.32);
  transform: translateY(-1px);
}

.secondary-button:hover {
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.16);
}

.hero-badges,
.intro-proof,
.guide-steps,
.checklist-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-badges {
  margin-top: 26px;
}

.intro-proof {
  margin-top: 28px;
}

.hero-badges span,
.intro-proof span,
.guide-steps span,
.checklist-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  padding: 0 12px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.1);
  font-size: 13px;
  font-weight: 800;
}

.intro-proof span,
.guide-steps span,
.checklist-grid span {
  border-color: rgba(23, 67, 99, 0.14);
  color: var(--navy);
  background: var(--white);
}

.solution-cta,
.catalog-inquiry,
.product-guide {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  border: 1px solid rgba(23, 67, 99, 0.12);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 42px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(238, 244, 247, 0.96)),
    radial-gradient(circle at 94% 12%, rgba(244, 174, 36, 0.16), transparent 32%);
  box-shadow: 0 20px 52px rgba(12, 44, 68, 0.08);
}

.solution-cta {
  margin-top: 26px;
}

.product-guide {
  align-items: end;
  margin-bottom: 24px;
}

.catalog-inquiry {
  margin-top: 36px;
}

.solution-cta h3,
.catalog-inquiry h2,
.product-guide h2 {
  margin-bottom: 12px;
}

.solution-cta p,
.catalog-inquiry p,
.product-guide p,
.service-band p {
  color: var(--muted);
  line-height: 1.76;
}

.guide-steps {
  justify-content: flex-end;
  max-width: 420px;
}

.product-card {
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.product-card:hover {
  border-color: rgba(244, 174, 36, 0.72);
  box-shadow: 0 22px 54px rgba(12, 44, 68, 0.12);
  transform: translateY(-2px);
}

.service-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.service-proof article,
.service-band-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--white);
}

.service-proof strong,
.service-band-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 20px;
}

.service-proof span,
.service-band-grid span {
  color: var(--muted);
  line-height: 1.65;
}

.service-band {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(19, 32, 50, 0.96), rgba(23, 67, 99, 0.94)),
    url("assets/optimized/factory-wide.webp") center / cover;
  background-blend-mode: multiply;
}

.service-band h2,
.service-band p {
  color: var(--white);
}

.service-band-grid {
  display: grid;
  gap: 14px;
}

.service-band-grid article {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.1);
}

.service-band-grid strong {
  color: var(--gold);
}

.service-band-grid span {
  color: rgba(255, 255, 255, 0.78);
}

.inquiry-checklist {
  background: linear-gradient(180deg, #ffffff, #eef4f7);
}

.checklist-grid {
  margin-top: 24px;
}

.category-feature {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  margin-bottom: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(28px, 5vw, 54px);
  background:
    linear-gradient(135deg, rgba(19, 32, 50, 0.96), rgba(23, 67, 99, 0.92)),
    radial-gradient(circle at 88% 16%, rgba(244, 174, 36, 0.18), transparent 30%);
  color: var(--white);
  overflow: hidden;
}

.category-feature h2,
.category-feature p {
  color: var(--white);
}

.category-feature p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.78;
}

.category-feature img {
  justify-self: center;
  max-height: 360px;
  object-fit: contain;
}

.product-hero {
  min-height: 86vh;
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: clamp(30px, 6vw, 86px);
  align-items: center;
  overflow: hidden;
  padding: 140px clamp(22px, 6vw, 86px) clamp(70px, 9vw, 120px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(12, 44, 68, 0.98), rgba(19, 32, 50, 0.94)),
    radial-gradient(circle at 82% 18%, rgba(244, 174, 36, 0.18), transparent 28%);
}

.product-hero h1 {
  max-width: 820px;
}

.product-hero-copy p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  line-height: 1.8;
}

.product-hero-machine {
  min-height: 470px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: clamp(24px, 4vw, 48px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05)),
    radial-gradient(circle at 50% 62%, rgba(70, 183, 200, 0.18), transparent 36%);
  box-shadow: 0 34px 92px rgba(0, 0, 0, 0.28);
}

.product-hero-machine img {
  max-height: 430px;
  object-fit: contain;
}

.value-grid,
.material-grid {
  display: grid;
  gap: 18px;
}

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

.value-grid article,
.material-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(12, 44, 68, 0.08);
}

.value-grid span {
  color: var(--gold);
  font-weight: 900;
}

.value-grid p,
.material-grid p,
.spec-copy p {
  color: var(--muted);
  line-height: 1.72;
}

.material-section {
  background: linear-gradient(180deg, #ffffff, #eef4f7);
}

.material-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 30px;
}

.material-grid strong {
  display: block;
  margin-top: 22px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  color: var(--navy);
  line-height: 1.5;
}

.workpiece-section {
  margin-top: 52px;
}

.workpiece-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.workpiece-card {
  display: grid;
  grid-template-columns: 0.46fr 0.54fr;
  gap: 22px;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 46px rgba(12, 44, 68, 0.08);
}

.workpiece-card img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}

.photo-needed {
  min-height: 240px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 26px;
  color: var(--navy);
  background:
    linear-gradient(135deg, #f4f7fa, #ffffff),
    repeating-linear-gradient(135deg, transparent 0 12px, rgba(23, 67, 99, 0.06) 12px 24px);
  font-weight: 900;
}

.photo-needed span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
}

.workpiece-copy {
  padding: 24px 24px 24px 0;
}

.workpiece-copy .label {
  margin-bottom: 10px;
}

.workpiece-copy h3 {
  margin-bottom: 10px;
}

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

.workpiece-copy ul {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding-left: 18px;
}

.source-note {
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.product-proof {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.process-rail.compact div {
  min-height: 210px;
}

.product-detail-contact {
  background:
    linear-gradient(135deg, rgba(12, 44, 68, 0.94), rgba(19, 32, 50, 0.94)),
    url("assets/optimized/factory-floor.webp") center / cover;
  background-blend-mode: multiply;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin-top: 18px;
  border-bottom: 2px solid var(--gold);
  color: var(--gold);
  font-weight: 900;
}

@media (max-width: 1100px) {
  .solution-cta,
  .catalog-inquiry,
  .product-guide,
  .service-band,
  .product-hero,
  .product-proof {
    grid-template-columns: 1fr;
  }

  .guide-steps {
    justify-content: flex-start;
  }

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

  .value-grid,
  .material-grid,
  .workpiece-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .product-hero {
    min-height: 0;
    padding-top: 128px;
  }

  .product-hero-machine {
    min-height: 300px;
  }

  .value-grid,
  .material-grid,
  .workpiece-grid,
  .workpiece-card {
    grid-template-columns: 1fr;
  }

  .workpiece-copy {
    padding: 0 22px 24px;
  }
}