:root {
  --ink: #111314;
  --graphite: #262a2d;
  --steel: #6f777c;
  --line: #d9dddf;
  --mist: #f4f6f5;
  --porcelain: #fbfbf8;
  --oxide: #1f6b5f;
  --clay: #b35f42;
  --sand: #d4c6ae;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(17, 19, 20, 0.14);
  --max: 1180px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--porcelain);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

::selection {
  background: var(--oxide);
  color: var(--white);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 50;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(217, 221, 223, 0.8);
  background: rgba(251, 251, 248, 0.92);
  backdrop-filter: blur(18px);
  transition: box-shadow 0.2s ease, background 0.2s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 12px 28px rgba(17, 19, 20, 0.08);
  background: rgba(251, 251, 248, 0.98);
}

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

.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-name {
  display: block;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-line {
  display: block;
  margin-top: -3px;
  color: var(--steel);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.nav-links a {
  position: relative;
  padding: 26px 10px;
  color: var(--graphite);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 20px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--oxide);
  transition: transform 0.18s ease;
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.nav-toggle.is-open span {
  opacity: 0;
}

.nav-toggle.is-open::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open::after {
  transform: translateY(-6px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.15;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: var(--oxide);
  border-color: var(--oxide);
}

.btn-light {
  border-color: rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
}

.btn-light:hover {
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
}

.btn-outline:hover {
  color: var(--white);
}

.btn-outline.btn-light {
  border-color: rgba(255, 255, 255, 0.62);
  background: transparent;
  color: var(--white);
}

.btn-outline.btn-light:hover {
  background: var(--white);
  border-color: var(--white);
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: end;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.hero img,
.page-hero img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after,
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(17, 19, 20, 0.82), rgba(17, 19, 20, 0.38) 46%, rgba(17, 19, 20, 0.1)),
    linear-gradient(0deg, rgba(17, 19, 20, 0.76), rgba(17, 19, 20, 0.06) 42%);
}

.hero-content {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 150px 0 76px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--sand);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 890px;
  margin-bottom: 22px;
  font-size: clamp(46px, 7vw, 104px);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-content h1 {
  max-width: 820px;
  font-size: clamp(38px, 5.6vw, 78px);
  line-height: 1.02;
  letter-spacing: 0.04em;
}

.hero-lead {
  max-width: 690px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.28);
}

.metric {
  padding: 22px;
  background: rgba(17, 19, 20, 0.74);
  backdrop-filter: blur(10px);
}

.metric strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  line-height: 1.35;
}

.section {
  padding: 92px 0;
}

.section-tight {
  padding: 64px 0;
}

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

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

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.35fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: start;
}

.section-grid.reverse {
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.95fr);
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--oxide);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-dark .section-kicker,
.section-dark .eyebrow {
  color: var(--sand);
}

.section-title {
  margin-bottom: 20px;
  font-size: clamp(34px, 4vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
}

.section-lead {
  max-width: 760px;
  color: var(--graphite);
  font-size: 19px;
  line-height: 1.65;
}

.section-dark .section-lead,
.section-dark .muted {
  color: rgba(255, 255, 255, 0.74);
}

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

.text-block p {
  color: var(--graphite);
}

.text-block p:last-child,
.card p:last-child,
.feature p:last-child {
  margin-bottom: 0;
}

.intro-centered {
  padding: 88px 0 96px;
  background: #eceff3;
  text-align: center;
}

.intro-centered .section-kicker {
  margin-bottom: 20px;
  color: var(--oxide);
  font-size: 13px;
  letter-spacing: 0.24em;
}

.intro-centered .section-title {
  max-width: 1080px;
  margin: 0 auto 28px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(27px, 2.7vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.intro-copy {
  max-width: 1320px;
  margin: 0 auto 30px;
}

.intro-copy p {
  margin: 0 auto 18px;
  color: var(--ink);
  font-size: clamp(18px, 1.7vw, 25px);
  line-height: 1.45;
}

.intro-copy p:last-child {
  max-width: 1120px;
  margin-bottom: 0;
  font-size: clamp(17px, 1.45vw, 21px);
}

.intro-centered .section-actions {
  justify-content: center;
}

.intro-centered .split-media {
  width: min(100%, 980px);
  margin: 34px auto 0;
}

.intro-centered .split-media img {
  min-height: 360px;
}

.intro-centered .two-column-list {
  width: min(100%, 920px);
  margin: 30px auto 0;
  text-align: left;
}

.intro-centered .card-grid,
.intro-centered .product-grid,
.intro-centered .download-grid {
  margin-top: 34px;
  text-align: left;
}

.intro-centered .filter-bar {
  justify-content: center;
  margin: 28px 0 32px;
}

.intro-centered .process {
  margin-top: 34px;
  text-align: left;
}

.intro-centered .accordion {
  width: min(100%, 980px);
  margin: 34px auto 0;
  text-align: left;
}

.intro-centered .section-lead,
.intro-centered .muted {
  color: var(--ink);
}

.factory-strength {
  background:
    radial-gradient(circle at top right, rgba(31, 107, 95, 0.08), transparent 30%),
    linear-gradient(180deg, #f7f8f5, #edf1ef);
}

.factory-strength-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 36px;
}

.factory-strength-head .section-title {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(26px, 3vw, 42px);
}

.factory-strength-head .section-lead {
  max-width: 520px;
  margin: 0 0 4px auto;
}

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

.factory-strength-card {
  overflow: hidden;
  border: 1px solid rgba(38, 42, 45, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 22px 54px rgba(17, 19, 20, 0.08);
}

.factory-strength-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--graphite);
}

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

.factory-strength-body {
  padding: 24px 24px 26px;
}

.factory-strength-body strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: clamp(30px, 3.6vw, 42px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.01em;
}

.factory-strength-body h3 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.08;
}

.factory-strength-body p {
  margin: 0;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.58;
}

.capability-showcase {
  background: linear-gradient(180deg, var(--porcelain), #eef1f3);
}

.capability-head {
  max-width: 940px;
  margin: 0 auto 42px;
  text-align: center;
}

.capability-head .section-kicker {
  margin-bottom: 16px;
}

.capability-head .section-title {
  max-width: 780px;
  margin: 0 auto 20px;
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.02;
}

.capability-head .section-lead {
  max-width: 780px;
  margin: 0 auto;
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  gap: 28px;
  align-items: stretch;
}

.capability-visual {
  position: relative;
  min-height: 620px;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--graphite);
  box-shadow: var(--shadow);
}

.capability-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.capability-carousel {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 620px;
}

.capability-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.015);
  transition: opacity 0.7s ease, transform 1.2s ease;
}

.capability-slide.is-active {
  opacity: 1;
  transform: scale(1);
}

.capability-carousel-controls {
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
  display: flex;
  gap: 8px;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(17, 19, 20, 0.42);
  backdrop-filter: blur(14px);
}

.capability-carousel-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  background: transparent;
}

.capability-carousel-dot.is-active {
  background: var(--white);
  border-color: var(--white);
}

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

.capability-card {
  min-width: 0;
  min-height: 300px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.capability-card span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  margin-bottom: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--oxide);
  font-size: 12px;
  font-weight: 850;
}

.capability-card h3 {
  margin: 30px 0 12px;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.08;
}

.capability-card p {
  margin: 0;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.55;
}

.split-media {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--graphite);
  box-shadow: var(--shadow);
}

.split-media img {
  width: 100%;
  height: 100%;
  min-height: 470px;
  object-fit: cover;
}

.feature-grid,
.card-grid,
.product-grid,
.download-grid,
.insight-grid {
  display: grid;
  gap: 20px;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

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

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

.feature,
.card,
.product-card,
.download-card,
.insight-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.feature,
.card,
.download-card,
.insight-card {
  padding: 26px;
}

.section-dark .feature,
.section-dark .card {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
}

.feature-number,
.card-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  margin-bottom: 22px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--oxide);
  font-size: 12px;
  font-weight: 850;
}

.feature h3,
.card h3,
.product-card h3,
.download-card h3,
.insight-card h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: 0;
}

.feature p,
.card p,
.product-card p,
.download-card p,
.insight-card p {
  color: var(--steel);
}

.section-dark .feature p,
.section-dark .card p {
  color: rgba(255, 255, 255, 0.72);
}

.product-card {
  overflow: hidden;
}

.product-card .product-media {
  min-height: 220px;
  background: linear-gradient(135deg, #f7f7f2, #dde1de);
}

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

/* 产品卡内轮播（复用 capability-carousel，覆盖首页大图高度） */
.product-card .capability-carousel {
  min-height: 0;
  height: 240px;
}

.product-card .capability-slide {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: calc(100% - 240px);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--graphite);
  font-size: 12px;
  font-weight: 750;
}

.product-moq {
  display: grid;
  gap: 4px;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(31, 107, 95, 0.14);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(31, 107, 95, 0.07), rgba(31, 107, 95, 0.02));
}

.product-moq-label {
  color: var(--oxide);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.product-moq strong {
  font-size: clamp(30px, 3.2vw, 42px);
  line-height: 0.96;
  letter-spacing: 0.01em;
}

.product-specs {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(217, 221, 223, 0.9);
}

.product-specs-title {
  margin: 0 0 12px;
  color: var(--graphite);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

.product-specs th,
.product-specs td {
  padding: 10px 0;
  border-bottom: 1px solid rgba(217, 221, 223, 0.72);
  vertical-align: top;
  text-align: left;
}

.product-specs th {
  width: 42%;
  padding-right: 18px;
  color: var(--graphite);
  font-size: 13px;
  font-weight: 760;
  line-height: 1.45;
}

.product-specs td {
  color: var(--steel);
  font-size: 13px;
  line-height: 1.45;
}

.product-cta {
  width: 100%;
  margin-top: auto;
}

.product-note {
  max-width: 820px;
  margin: 26px auto 0;
  color: var(--steel);
  font-size: 15px;
  text-align: center;
}

.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

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

.logo-strip span {
  min-height: 96px;
  display: grid;
  place-items: center;
  padding: 18px;
  background: var(--porcelain);
  color: var(--steel);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.page-hero {
  position: relative;
  min-height: 460px;
  display: grid;
  align-items: end;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.page-hero-content {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 140px 0 66px;
}

.page-hero h1 {
  max-width: 840px;
  margin-bottom: 18px;
  font-size: clamp(42px, 5.6vw, 78px);
}

.page-hero p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 20px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.breadcrumb a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.two-column-list {
  columns: 2;
  column-gap: 48px;
  padding-left: 18px;
  color: var(--graphite);
}

.two-column-list li {
  break-inside: avoid;
  margin-bottom: 10px;
}

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

.process-step {
  padding: 24px;
  background: var(--white);
}

.process-step strong {
  display: block;
  margin-bottom: 10px;
  color: var(--oxide);
  font-size: 13px;
}

.process-step h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.section-dark .process {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.16);
}

.section-dark .process-step {
  background: rgba(255, 255, 255, 0.07);
  color: var(--white);
}

.section-dark .process-step strong {
  color: var(--sand);
}

.section-dark .process-step h3 {
  color: var(--white);
}

.section-dark .process-step p {
  color: rgba(255, 255, 255, 0.72);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.stat-box {
  padding: 26px;
  background: var(--white);
}

.stat-box strong {
  display: block;
  font-size: 32px;
  line-height: 1;
}

.stat-box span {
  display: block;
  margin-top: 10px;
  color: var(--steel);
  font-size: 13px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0;
}

.filter-btn {
  min-height: 40px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--graphite);
  font-size: 13px;
  font-weight: 800;
}

.filter-btn.is-active,
.filter-btn:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.accordion {
  border-top: 1px solid var(--line);
}

.accordion-item {
  border-bottom: 1px solid var(--line);
}

.accordion-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-weight: 850;
  text-align: left;
}

.accordion-button::after {
  content: "+";
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--oxide);
}

.accordion-button[aria-expanded="true"]::after {
  content: "-";
}

.accordion-panel {
  display: none;
  padding: 0 0 24px;
  color: var(--steel);
}

.accordion-panel.is-open {
  display: block;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 34px;
  align-items: start;
}

.contact-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.inquiry-card {
  background: #eceff3;
}

.inquiry-card .section-title {
  margin-bottom: 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(25px, 2.5vw, 36px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-list {
  display: grid;
  gap: 18px;
  margin: 24px 0 0;
}

.contact-list a,
.contact-list span {
  display: block;
  color: var(--graphite);
  word-break: break-word;
}

.contact-list small {
  display: block;
  margin-bottom: 4px;
  color: var(--steel);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.form-field {
  display: grid;
  gap: 7px;
}

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

.form-field label {
  color: var(--graphite);
  font-size: 13px;
  font-weight: 850;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--porcelain);
  color: var(--ink);
}

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

.form-note {
  margin: 14px 0 0;
  color: var(--steel);
  font-size: 13px;
}

.inquiry-card .btn {
  margin-top: 22px;
}

.form-status {
  min-height: 24px;
  margin-top: 12px;
  color: var(--oxide);
  font-weight: 800;
}

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

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(31, 107, 95, 0.32), transparent 45%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.cta .container {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  gap: 30px;
  align-items: center;
}

.cta h2 {
  margin-bottom: 12px;
  font-size: clamp(34px, 4.2vw, 62px);
  line-height: 1.03;
}

.cta p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 18px;
}

.site-footer {
  background: #0f1112;
  color: var(--white);
}

.footer-main {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: minmax(240px, 1.2fr) repeat(3, minmax(0, 0.8fr));
  gap: 34px;
}

.footer-brand p {
  max-width: 360px;
  color: rgba(255, 255, 255, 0.68);
}

.footer-col h2,
.footer-col h3 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer-col a,
.footer-col span {
  display: block;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.legal-text {
  max-width: 860px;
}

.legal-text h2 {
  margin-top: 38px;
  font-size: 28px;
}

.legal-text p,
.legal-text li {
  color: var(--graphite);
}

.download-card a,
.insight-card a,
.text-link {
  color: var(--oxide);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 1080px) {
  .nav-links {
    position: fixed;
    inset: 76px 0 auto 0;
    display: none;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
    padding: 12px 20px 24px;
    border-bottom: 1px solid var(--line);
    background: var(--porcelain);
    box-shadow: 0 20px 40px rgba(17, 19, 20, 0.12);
  }

  .nav-links.is-open {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 10px;
  }

  .nav-links a {
    padding: 14px 10px;
    border-bottom: 1px solid rgba(217, 221, 223, 0.7);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero-metrics,
  .feature-grid,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid,
  .product-grid,
  .download-grid,
  .insight-grid,
  .factory-strength-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .factory-strength-head {
    grid-template-columns: 1fr;
    margin-bottom: 30px;
  }

  .factory-strength-head .section-lead {
    max-width: 720px;
    margin-left: 0;
  }

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

  .capability-visual {
    min-height: 480px;
  }

  .capability-carousel {
    min-height: 480px;
  }

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

@media (max-width: 760px) {
  .nav-shell,
  .container,
  .hero-content,
  .hero-metrics,
  .page-hero-content,
  .footer-main {
    width: min(100% - 28px, var(--max));
  }

  .brand-line {
    display: none;
  }

  .nav-actions .btn {
    display: none;
  }

  .nav-links.is-open {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    padding: 118px 0 46px;
  }

  .hero::after,
  .page-hero::after {
    background:
      linear-gradient(90deg, rgba(17, 19, 20, 0.86), rgba(17, 19, 20, 0.42)),
      linear-gradient(0deg, rgba(17, 19, 20, 0.82), rgba(17, 19, 20, 0.16) 56%);
  }

  h1 {
    font-size: clamp(42px, 14vw, 64px);
  }

  .hero-lead,
  .page-hero p,
  .section-lead {
    font-size: 17px;
  }

  .hero-metrics,
  .feature-grid,
  .card-grid,
  .factory-strength-grid,
  .capability-card-grid,
  .product-grid,
  .download-grid,
  .insight-grid,
  .stats-grid,
  .process,
  .section-grid,
  .section-grid.reverse,
  .contact-panel,
  .cta .container,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .metric,
  .feature,
  .card,
  .download-card,
  .insight-card,
  .product-body,
  .contact-card,
  .process-step,
  .stat-box {
    padding: 22px;
  }

  .section {
    padding: 66px 0;
  }

  .intro-centered {
    padding: 62px 0 68px;
  }

  .intro-centered .section-title {
    font-size: clamp(24px, 7vw, 32px);
    letter-spacing: 0.07em;
  }

  .intro-copy p,
  .intro-copy p:last-child {
    font-size: 17px;
    line-height: 1.55;
  }

  .section-tight {
    padding: 48px 0;
  }

  .split-media img {
    min-height: 320px;
  }

  .capability-head {
    margin-bottom: 30px;
  }

  .factory-strength-body {
    padding: 22px;
  }

  .factory-strength-body strong {
    font-size: clamp(28px, 9vw, 38px);
  }

  .capability-head .section-title {
    font-size: clamp(32px, 10vw, 48px);
  }

  .capability-visual {
    min-height: 340px;
  }

  .capability-carousel {
    min-height: 340px;
  }

  .capability-carousel-controls {
    left: 18px;
    bottom: 18px;
  }

  .capability-card {
    min-height: 0;
    padding: 24px;
  }

  .two-column-list {
    columns: 1;
  }

  .logo-strip {
    grid-template-columns: 1fr 1fr;
  }

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

  .footer-bottom .container {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .brand-name {
    font-size: 16px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

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

  .btn {
    width: 100%;
  }

  .hero-metrics,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .logo-strip {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .capability-slide {
    transition: none;
    transform: none;
  }
}

/* ===== Product detail page (pd- prefix, scoped to product-detail.html) ===== */

.pd-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.pd-gallery .split-media img {
  min-height: 420px;
}

/* Thumbnail strip */
.pd-thumbs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.pd-thumb {
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.18s ease, opacity 0.18s ease;
}

.pd-thumb img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.pd-thumb:hover {
  border-color: var(--oxide);
  opacity: 0.88;
}

.pd-thumb.is-active {
  border-color: var(--ink);
}

/* Lightbox */
.pd-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: rgba(15, 17, 18, 0.92);
  backdrop-filter: blur(8px);
}

.pd-lightbox.is-hidden {
  display: none;
}

.pd-lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  animation: pd-zoom-in 0.25s ease;
}

@keyframes pd-zoom-in {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.pd-lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.18s ease;
}

.pd-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
}

.pd-main-image {
  cursor: zoom-in;
}

.pd-summary {
  position: sticky;
  top: 96px;
}

.pd-title {
  margin-bottom: 14px;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.05;
}

.pd-summary .product-moq {
  margin-top: 24px;
}

.pd-summary .product-specs {
  margin-top: 22px;
}

.pd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.pd-actions .btn {
  flex: 1 1 auto;
}

.pd-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.pd-spec-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.pd-spec-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--oxide);
  font-size: 12px;
  font-weight: 850;
}

.pd-spec-card h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.15;
}

.pd-spec-card p {
  margin: 0;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.55;
}

.pd-lead-time-head {
  max-width: 760px;
  margin-bottom: 32px;
}

.pd-lead-time-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.pd-lead-time-card {
  padding: 32px;
  border: 1px solid rgba(31, 107, 95, 0.16);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(31, 107, 95, 0.06), rgba(31, 107, 95, 0.01));
}

.pd-lead-time-label {
  display: block;
  margin-bottom: 12px;
  color: var(--oxide);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.pd-lead-time-card strong {
  display: block;
  margin-bottom: 12px;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1;
}

.pd-lead-time-card p {
  margin: 0;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.55;
}

.pd-applications {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.pd-applications .tag {
  min-height: 36px;
  padding: 8px 14px;
  font-size: 13px;
}

.pd-custom-note {
  max-width: 760px;
  margin: 30px 0 0;
  padding: 20px 24px;
  border-left: 3px solid var(--oxide);
  border-radius: 0 6px 6px 0;
  background: rgba(31, 107, 95, 0.05);
  color: var(--graphite);
  font-size: 16px;
  line-height: 1.6;
}

@media (max-width: 1080px) {
  .pd-overview {
    grid-template-columns: 1fr;
  }

  .pd-summary {
    position: static;
  }

  .pd-gallery .split-media img {
    min-height: 340px;
  }

  .pd-thumbs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
  }

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

@media (max-width: 760px) {
  .pd-specs-grid,
  .pd-lead-time-grid {
    grid-template-columns: 1fr;
  }

  .pd-spec-card,
  .pd-lead-time-card {
    padding: 24px;
  }

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

  .pd-gallery .split-media img {
    min-height: 280px;
  }

  .pd-thumbs {
    gap: 6px;
  }

  .pd-lightbox {
    padding: 20px;
  }
}

/* Product card view-details link (products.html) */
.product-view-link {
  display: block;
  margin-top: 18px;
  margin-bottom: 10px;
  color: var(--oxide);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Product detail: centered section headings */
.pd-center .section-kicker,
.pd-center .section-title,
.pd-center .section-lead {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.pd-center .section-title {
  font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: 0.08em;
}

.pd-center .section-lead {
  font-size: 16px;
  letter-spacing: 0.03em;
}

.pd-center .pd-lead-time-head {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- News ---------- */
.news-index-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 36px;
  align-items: end;
  margin-bottom: 28px;
}

.news-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.news-filter-row span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--graphite);
  font-size: 12px;
  font-weight: 800;
}

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

.news-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}

.news-card-media {
  display: block;
  aspect-ratio: 4 / 3;
  background: var(--mist);
  overflow: hidden;
}

.news-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.24s ease;
}

.news-card:hover .news-card-media img {
  transform: scale(1.035);
}

.news-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
}

.news-meta,
.news-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--steel);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.news-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.25;
}

.news-card p {
  margin: 0;
  color: var(--steel);
  font-size: 14px;
}

.news-empty {
  padding: 42px 20px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--steel);
  text-align: center;
}

.news-detail {
  padding-bottom: 76px;
}

.news-detail-hero {
  padding: 56px 0 28px;
  background: var(--mist);
}

.news-detail-hero h1 {
  max-width: 900px;
  margin: 10px 0 16px;
  font-size: clamp(36px, 6vw, 72px);
  line-height: 0.98;
  letter-spacing: 0;
}

.news-detail-lead {
  max-width: 780px;
  color: var(--graphite);
  font-size: 20px;
}

.news-detail-cover {
  width: 100%;
  max-height: 560px;
  margin: 34px 0;
  border-radius: var(--radius);
  object-fit: cover;
}

.news-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 280px;
  gap: 56px;
  align-items: start;
}

.news-content {
  color: var(--graphite);
  font-size: 18px;
  line-height: 1.78;
}

.news-content h2,
.news-content h3 {
  margin: 1.8em 0 0.6em;
  color: var(--ink);
  line-height: 1.18;
}

.news-content p,
.news-content ul,
.news-content ol {
  margin: 0 0 1.1em;
}

.news-content img {
  margin: 28px 0;
  border-radius: var(--radius);
}

.news-aside {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.news-aside div {
  display: grid;
  gap: 2px;
}

.news-aside strong {
  color: var(--steel);
  font-size: 11px;
  text-transform: uppercase;
}

.news-aside span {
  color: var(--ink);
  font-weight: 760;
}

@media (max-width: 900px) {
  .news-index-head,
  .news-detail-layout {
    grid-template-columns: 1fr;
  }

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

  .news-aside {
    position: static;
  }
}

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

  .news-detail-hero h1 {
    font-size: 38px;
  }
}