:root {
  --navy: #052747;
  --navy-2: #07345f;
  --navy-3: #0b3c69;
  --ink: #12243d;
  --muted: #607086;
  --line: #dbe4ef;
  --soft: #f4f7fb;
  --white: #ffffff;
  --orange: #ff8a00;
  --orange-2: #ff9f1c;
  --green: #18a45b;
  --shadow: 0 18px 42px rgba(5, 39, 71, 0.12);
  --radius: 8px;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.container {
  width: min(1320px, calc(100% - 48px));
  margin: 0 auto;
}

.container-wide {
  width: min(1480px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  background: #041d35;
  color: rgba(255, 255, 255, 0.92);
  font-size: 14px;
}

.topbar-inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar-list,
.nav-links,
.footer-list,
.inline-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.topbar-list {
  display: flex;
  align-items: center;
  gap: 34px;
  flex-wrap: wrap;
}

.topbar-item,
.contact-mini,
.meta-line,
.feature-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mini-icon,
.round-icon,
.square-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.icon-svg {
  width: 1em;
  height: 1em;
  display: block;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.mini-icon {
  width: 18px;
  height: 18px;
  color: var(--orange);
  font-size: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 18px rgba(5, 39, 71, 0.05);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

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

.brand-mark {
  width: 46px;
  height: 46px;
  border: 3px solid var(--navy);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  font-weight: 900;
  font-size: 24px;
  position: relative;
  background: #fff;
}

.brand-mark::after {
  content: "";
  width: 16px;
  height: 16px;
  border-top: 5px solid var(--orange);
  border-right: 5px solid var(--orange);
  position: absolute;
  right: -4px;
  bottom: 8px;
  transform: rotate(42deg);
}

.brand-text {
  display: grid;
  gap: 2px;
}

.brand-name {
  color: var(--navy);
  font-size: 24px;
  line-height: 1;
  font-weight: 800;
}

.brand-tagline {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  padding: 0 11px;
  color: #182a43;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--orange);
  border-color: var(--orange);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  background: var(--orange);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  box-shadow: 0 10px 20px rgba(255, 138, 0, 0.22);
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 6px;
  color: var(--navy);
  align-items: center;
  justify-content: center;
}

.hero {
  min-height: 650px;
  position: relative;
  color: #fff;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before,
.page-hero::before,
.cta-image::before,
.catalogue-cta::before,
.global-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3, 22, 40, 0.88), rgba(5, 39, 71, 0.58) 45%, rgba(5, 39, 71, 0.16));
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: 650px;
  display: flex;
  align-items: center;
}

.hero-copy {
  width: min(690px, 100%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--orange-2);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 13px;
}

.eyebrow::before {
  content: "";
  width: 42px;
  height: 3px;
  background: var(--orange);
}

.hero h1,
.page-hero h1 {
  margin: 18px 0 18px;
  font-size: clamp(42px, 5vw, 78px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: 0;
}

.hero p,
.page-hero p {
  margin: 0;
  width: min(720px, 100%);
  font-size: 21px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions,
.section-actions,
.card-actions,
.product-actions,
.form-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 34px;
}

.page-hero-actions {
  padding: 0 8px;
  gap: 18px;
  margin-bottom: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  cursor: pointer;
  transition: 0.18s ease;
  white-space: nowrap;
}

.btn-primary {
  color: #fff;
  background: var(--orange);
}

.btn-primary:hover,
.nav-cta:hover {
  background: #f07800;
}

.btn-outline {
  color: var(--navy);
  border-color: #9eb0c5;
  background: #fff;
}

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

.btn-dark-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.05);
}

.btn-dark-outline:hover {
  border-color: var(--orange);
  color: var(--orange-2);
}

.stats-ribbon {
  background: linear-gradient(90deg, #052747, #0a3a67);
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 18px 14px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.stat-item:last-child {
  border-right: 0;
}

.round-icon {
  width: 52px;
  height: 52px;
  border: 2px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  color: var(--orange-2);
  font-size: 24px;
  background: rgba(255, 255, 255, 0.04);
}

.stat-number {
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}

.stat-label {
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
}

.search-band {
  background: var(--soft);
  padding: 24px 0;
}

.search-panel {
  background: var(--navy);
  border-radius: 8px;
  padding: 18px;
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr auto;
  gap: 14px;
  box-shadow: var(--shadow);
}

.field,
.select-field,
.textarea-field {
  width: 100%;
  min-height: 48px;
  border: 1px solid #cbd8e6;
  border-radius: 5px;
  background: #fff;
  color: var(--ink);
  padding: 0 14px;
  outline: none;
}

.textarea-field {
  min-height: 110px;
  padding-top: 12px;
  resize: vertical;
}

.field:focus,
.select-field:focus,
.textarea-field:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.13);
}

.section {
  padding: 62px 0;
}

.section-tight {
  padding: 42px 0;
}

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

.section-title {
  margin: 0 0 24px;
  color: var(--navy);
  font-size: 30px;
  line-height: 1.16;
  text-align: center;
  font-weight: 900;
  letter-spacing: 0;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 54px;
  height: 3px;
  margin: 10px auto 0;
  background: var(--orange);
  border-radius: 999px;
}

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

.section-head h2 {
  margin: 0;
  color: var(--navy);
  font-size: 32px;
  line-height: 1.12;
}

.section-head p {
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 760px;
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 10px 28px rgba(5, 39, 71, 0.05);
}

.panel h3 {
  margin: 0 0 18px;
  color: var(--navy);
  font-size: 22px;
}

.brand-mini-grid,
.system-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.brand-mini-grid + .section-actions,
.system-mini-grid + .section-actions {
  margin-top: 26px;
}

.brand-mini,
.system-mini {
  min-height: 78px;
  border: 1px solid var(--line);
  border-radius: 6px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 12px;
  background: #fff;
  color: var(--navy);
  font-weight: 800;
}

.brand-mini span,
.system-mini span {
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
  display: block;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--navy);
  font-weight: 800;
}

.link-more:hover {
  color: var(--orange);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.category-card,
.product-card,
.review-card,
.blog-card,
.detail-card,
.operation-card,
.why-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(5, 39, 71, 0.05);
}

.category-card {
  text-align: center;
}

.category-card img {
  width: 100%;
  aspect-ratio: 1.22 / 1;
  object-fit: cover;
}

.category-card h3 {
  margin: 16px 12px 6px;
  color: var(--navy);
  font-size: 17px;
}

.category-card p {
  margin: 0 14px 16px;
  color: var(--muted);
  font-size: 13px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.product-grid.six {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-card img {
  width: 100%;
  aspect-ratio: 1.12 / 1;
  object-fit: cover;
  background: #f8fafc;
}

.product-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.product-card h3 {
  margin: 0;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.28;
}

.product-meta {
  color: var(--muted);
  font-size: 14px;
  display: grid;
  gap: 6px;
}

.product-desc {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.product-actions {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  width: 100%;
}

.product-actions .btn {
  min-height: 38px;
  padding: 0 14px;
  font-size: 14px;
  width: 100%;
}

.capability-band {
  background: linear-gradient(90deg, #052747, #0c3e6e);
  color: #fff;
  border-radius: 8px;
  padding: 30px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.capability-item {
  text-align: center;
  padding: 18px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.capability-item:last-child {
  border-right: 0;
}

.capability-item h3 {
  margin: 12px 0 6px;
  font-size: 20px;
}

.capability-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.review-card {
  padding: 24px;
}

.review-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--orange));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.review-card h3 {
  margin: 0;
  color: var(--navy);
  font-size: 18px;
}

.review-card small {
  color: var(--muted);
}

.review-card p {
  color: var(--muted);
  margin: 12px 0 0;
}

.catalogue-cta,
.cta-image,
.global-band {
  position: relative;
  overflow: hidden;
  color: #fff;
  background-size: cover;
  background-position: center;
}

.catalogue-cta {
  border-radius: 8px;
  min-height: 220px;
}

.cta-content {
  position: relative;
  z-index: 1;
  padding: 42px;
  width: min(680px, 100%);
}

.cta-content h2,
.cta-image h2 {
  margin: 0 0 10px;
  font-size: 34px;
  line-height: 1.12;
}

.cta-content p,
.cta-image p {
  margin: 0 0 22px;
  color: rgba(255, 255, 255, 0.86);
}

.about-preview {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  align-items: center;
}

.about-copy h2,
.form-panel h2 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: 32px;
  line-height: 1.15;
}

.about-copy p,
.form-panel p {
  color: var(--muted);
  margin: 0 0 18px;
}

.mini-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.mini-stat {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

.mini-stat strong {
  display: block;
  color: var(--navy);
  font-size: 18px;
}

.photo-mosaic {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.photo-mosaic img {
  width: 100%;
  height: 100%;
  min-height: 135px;
  object-fit: cover;
  border-radius: 7px;
}

.photo-mosaic img:first-child {
  grid-column: span 4;
  grid-row: span 2;
  min-height: 292px;
}

.photo-mosaic img:not(:first-child) {
  grid-column: span 2;
}

.inquiry-band {
  background: #06375f;
  color: #fff;
  padding: 42px 0;
}

.inquiry-panel {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 22px;
  align-items: stretch;
}

.inquiry-panel-simple {
  grid-template-columns: 1fr;
  max-width: 980px;
}

.inquiry-panel-simple .form-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

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

.form-grid .span-2 {
  grid-column: span 2;
}

.form-grid .span-3 {
  grid-column: span 3;
}

.upload-box {
  min-height: 180px;
  border: 2px dashed rgba(255, 255, 255, 0.55);
  border-radius: 8px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
  color: rgba(255, 255, 255, 0.9);
}

.upload-box.light {
  color: var(--muted);
  border-color: #cbd8e6;
  background: #fbfdff;
}

.upload-icon {
  font-size: 42px;
  line-height: 1;
  color: var(--orange);
  font-weight: 900;
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.page-hero {
  position: relative;
  min-height: 390px;
  color: #fff;
  background-size: cover;
  background-position: center;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  min-height: 390px;
  display: flex;
  align-items: center;
}

.page-hero h1 {
  font-size: clamp(40px, 5vw, 72px);
}

.catalog-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
}

.filter-sidebar {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 16px;
}

.filter-group {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.filter-group h3 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: 17px;
  display: flex;
  justify-content: space-between;
}

.check-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  margin: 10px 0;
}

.check-row label {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.view-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-btn {
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.tool-btn.active {
  color: #fff;
  background: var(--navy);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 34px;
}

.page-num {
  min-width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-weight: 800;
}

.page-num.active {
  color: #fff;
  background: var(--navy);
}

.breadcrumb {
  padding: 20px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 0.86fr 1fr;
  gap: 34px;
  align-items: start;
}

.gallery-main {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.gallery-main img {
  width: 100%;
  aspect-ratio: 1.1 / 1;
  object-fit: cover;
}

.thumb-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.thumb {
  border: 2px solid var(--line);
  border-radius: 7px;
  background: #fff;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
}

.thumb.active {
  border-color: var(--orange);
}

.thumb img {
  width: 100%;
  aspect-ratio: 1.15 / 1;
  object-fit: cover;
}

.product-info h1 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 38px;
  line-height: 1.1;
}

.product-info .lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 17px;
}

.highlight-box {
  border: 1px solid #ffd19b;
  background: #fff6eb;
  border-radius: 7px;
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.highlight-box strong {
  color: var(--orange);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.spec-table th,
.spec-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}

.spec-table th {
  width: 38%;
  background: #f7f9fc;
  color: var(--navy);
}

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

.quick-rfq {
  margin-top: 34px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 10px 28px rgba(5, 39, 71, 0.05);
}

.quick-rfq h2 {
  margin: 0 0 18px;
  color: var(--navy);
}

.tabs {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background: #fff;
}

.tab-btn {
  min-height: 52px;
  padding: 0 22px;
  border: 0;
  border-right: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
}

.tab-btn.active {
  background: var(--navy);
  color: #fff;
}

.tab-panel {
  display: none;
  border: 1px solid var(--line);
  border-radius: 0 0 8px 8px;
  padding: 24px;
  background: #fff;
}

.tab-panel.active {
  display: block;
}

.tab-content-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
}

.feature-list {
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.feature-list li::before {
  content: "✓";
  color: var(--green);
  font-weight: 900;
  margin-right: 8px;
}

.detail-image-grid,
.operation-grid,
.gallery-grid,
.why-grid {
  display: grid;
  gap: 22px;
}

.detail-image-grid {
  grid-template-columns: repeat(4, 1fr);
}

.detail-card img,
.operation-card img,
.gallery-item img {
  width: 100%;
  aspect-ratio: 1.42 / 1;
  object-fit: cover;
}

.detail-card h3,
.operation-card h3,
.gallery-item h3,
.why-card h3 {
  margin: 14px 16px 6px;
  color: var(--navy);
  font-size: 18px;
}

.detail-card p,
.operation-card p,
.gallery-item p,
.why-card p {
  margin: 0 16px 18px;
  color: var(--muted);
  font-size: 14px;
}

.support-strip {
  background: linear-gradient(90deg, #052747, #0a3a67);
  color: #fff;
  border-radius: 8px;
  padding: 26px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.support-strip h2 {
  margin: 0 0 4px;
}

.support-strip p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.faq-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.faq-item + .faq-item {
  border-top: 1px solid var(--line);
}

.faq-question {
  width: 100%;
  min-height: 54px;
  border: 0;
  background: #fff;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  cursor: pointer;
  font-weight: 800;
  text-align: left;
}

.faq-answer {
  display: none;
  padding: 0 20px 18px;
  color: var(--muted);
  background: #fff;
}

.faq-item.open .faq-answer {
  display: block;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--muted);
  background: #fff;
  font-size: 13px;
}

.prev-next {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 28px;
  color: var(--navy);
  font-weight: 800;
}

.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  align-items: start;
}

.featured-article {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 28px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.featured-article img {
  width: 100%;
  aspect-ratio: 1.25 / 1;
  object-fit: cover;
  border-radius: 7px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 4px;
  background: var(--navy);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.featured-article h2 {
  margin: 14px 0 10px;
  color: var(--navy);
  font-size: 34px;
  line-height: 1.12;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.blog-card img {
  width: 100%;
  aspect-ratio: 1.36 / 1;
  object-fit: cover;
}

.blog-card-body {
  padding: 16px;
}

.blog-card h3 {
  margin: 10px 0;
  color: var(--navy);
  font-size: 19px;
  line-height: 1.28;
}

.blog-card p,
.featured-article p {
  color: var(--muted);
  margin: 0 0 14px;
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.sidebar {
  display: grid;
  gap: 22px;
  position: sticky;
  top: 104px;
}

.sidebar-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.sidebar-title {
  margin: 0;
  padding: 18px;
  color: #fff;
  background: var(--navy);
  font-size: 20px;
}

.sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-list li {
  border-bottom: 1px solid var(--line);
}

.sidebar-list li:last-child {
  border-bottom: 0;
}

.sidebar-list a,
.sidebar-list span {
  min-height: 52px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
}

.sidebar-list a:hover {
  color: var(--orange);
}

.sidebar-dark {
  background: var(--navy);
  color: #fff;
  padding: 24px;
  border-radius: 8px;
}

.sidebar-dark h3 {
  margin: 0 0 16px;
  font-size: 24px;
}

.orange-checks {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.orange-checks li::before {
  content: "✓";
  color: var(--orange);
  font-weight: 900;
  margin-right: 8px;
}

.about-hero-copy {
  width: min(670px, 100%);
}

.intro-split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 34px;
  align-items: center;
}

.strength-icons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 24px;
}

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

.strength-icon {
  text-align: left;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 78px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(5, 39, 71, 0.05);
}

.strength-icon .square-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  margin: 0;
  color: var(--orange);
  background: #fff7ed;
}

.strength-icon strong {
  display: block;
  color: var(--navy);
  font-size: 14px;
  line-height: 1.2;
}

.strength-icon small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.25;
}

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

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-number {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  margin: 0 auto 12px;
  background: var(--navy);
  color: var(--orange);
  border: 4px solid #eef3f9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.process-step h3 {
  margin: 0 0 6px;
  color: var(--navy);
  font-size: 16px;
}

.process-step p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.global-band {
  min-height: 360px;
  background-position: center;
}

.global-inner {
  position: relative;
  z-index: 1;
  min-height: 360px;
  display: grid;
  grid-template-columns: 0.42fr 0.58fr;
  gap: 32px;
  align-items: center;
}

.global-inner h2 {
  margin: 0 0 12px;
  font-size: 34px;
}

.global-inner p {
  color: rgba(255, 255, 255, 0.84);
  margin: 0 0 24px;
}

.market-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: end;
}

.market-tag {
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 800;
}

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

.gallery-item {
  background: #fff;
}

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

.why-card {
  padding-top: 22px;
}

.why-card .square-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin-left: 18px;
  background: linear-gradient(135deg, var(--navy), var(--navy-3));
  color: var(--orange);
  font-size: 32px;
  box-shadow: 0 12px 24px rgba(5, 39, 71, 0.18);
}

.why-card .square-icon .icon-svg {
  width: 34px;
  height: 34px;
  stroke-width: 2.1;
}

.cta-row {
  background: linear-gradient(90deg, #052747, #0a3a67);
  color: #fff;
  padding: 42px 0;
}

.cta-row-inner {
  display: grid;
  grid-template-columns: 0.48fr 0.52fr;
  gap: 28px;
  align-items: center;
}

.cta-row h2 {
  margin: 0 0 10px;
  font-size: 34px;
}

.cta-row p {
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
}

.float-rail {
  position: fixed;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 35;
  display: grid;
  overflow: hidden;
  border-radius: 14px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.float-rail a {
  width: 58px;
  min-height: 58px;
  display: grid;
  place-items: center;
  gap: 3px;
  color: #fff;
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 10.5px;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  transition: transform 0.18s ease, filter 0.18s ease;
}

.float-rail a:hover {
  filter: brightness(1.08);
}

.float-rail .icon-svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.2;
}

.float-rail a:nth-child(2) {
  background: #0b8f4c;
}

.float-rail a:nth-child(3) {
  background: #0d7851;
}

.float-rail a:last-child {
  background: var(--orange);
  border-bottom: 0;
}

.back-to-top {
  position: fixed;
  right: 12px;
  bottom: 22px;
  z-index: 35;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 14px;
  background: var(--navy);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--orange);
}

.back-to-top .icon-svg {
  width: 22px;
  height: 22px;
  stroke-width: 2.4;
}

.site-footer {
  color: #dbe9f7;
  background: #041d35;
}

.footer-main {
  padding: 46px 0 34px;
  display: grid;
  grid-template-columns: 1.45fr repeat(4, 1fr) 1.35fr;
  gap: 28px;
}

.footer-brand p,
.footer-col p {
  color: #a9bdd1;
}

.footer-col h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 17px;
}

.footer-list {
  display: grid;
  gap: 8px;
  color: #a9bdd1;
  font-size: 14px;
}

.footer-list a:hover {
  color: var(--orange);
}

.footer-icons {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.footer-icons span {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #a9bdd1;
  font-size: 14px;
}

.footer-bottom-links {
  display: flex;
  gap: 18px;
}

.form-status {
  min-height: 22px;
  color: var(--orange-2);
  font-weight: 800;
  margin: 10px 0 0;
}

@media (min-width: 941px) and (max-width: 1520px) {
  main .container,
  .site-footer .container {
    width: min(1320px, calc(100% - 160px));
  }

  main .container-wide {
    width: min(1480px, calc(100% - 160px));
  }
}

@media (max-width: 1180px) {
  .nav-links a {
    padding: 0 7px;
    font-size: 13px;
  }

  .nav-wrap {
    gap: 12px;
  }

  .brand-name {
    font-size: 21px;
  }

  .nav-cta {
    padding: 0 14px;
  }

  .product-grid,
  .detail-image-grid,
  .operation-grid,
  .gallery-grid,
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

@media (max-width: 940px) {
  .container,
  .container-wide {
    width: min(100% - 32px, 760px);
  }

  .topbar-inner {
    justify-content: center;
  }

  .topbar-list {
    justify-content: center;
    gap: 16px;
  }

  .mobile-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    inset: 120px 0 auto 0;
    background: #fff;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border-top: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 8px 16px 18px;
  }

  body.menu-open .nav-links {
    display: flex;
  }

  .nav-links a {
    min-height: 48px;
    justify-content: flex-start;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    display: none;
  }

  .hero,
  .hero-inner {
    min-height: 560px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 44px;
  }

  .hero p,
  .page-hero p {
    font-size: 18px;
  }

  .search-panel,
  .split-grid,
  .about-preview,
  .inquiry-panel,
  .catalog-layout,
  .detail-layout,
  .tab-content-grid,
  .blog-layout,
  .featured-article,
  .intro-split,
  .global-inner,
  .cta-row-inner {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .capability-grid,
  .review-grid,
  .form-grid,
  .form-grid.two,
  .mini-stats,
  .strength-icons,
  .process {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-grid .span-2,
  .form-grid .span-3 {
    grid-column: span 1;
  }

  .filter-sidebar,
  .sidebar {
    position: static;
  }

  .blog-grid,
  .product-grid,
  .product-grid.six,
  .detail-image-grid,
  .operation-grid,
  .gallery-grid,
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .market-tags {
    justify-content: start;
  }

  .float-rail {
    display: none;
  }

  .back-to-top {
    display: none;
  }

  .support-strip,
  .catalog-toolbar,
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .brand-name {
    font-size: 19px;
  }

  .brand-tagline {
    display: none;
  }

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

  .hero,
  .hero-inner {
    min-height: 520px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 36px;
  }

  .section {
    padding: 44px 0;
  }

  .stats-grid,
  .category-grid,
  .product-grid,
  .product-grid.six,
  .capability-grid,
  .review-grid,
  .blog-grid,
  .detail-image-grid,
  .operation-grid,
  .gallery-grid,
  .why-grid,
  .stats-grid,
  .mini-stats,
  .strength-icons,
  .process,
  .brand-mini-grid,
  .system-mini-grid {
    grid-template-columns: 1fr;
  }

  .stat-item,
  .capability-item {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  }

  .highlight-box,
  .thumb-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .photo-mosaic {
    grid-template-columns: 1fr;
  }

  .photo-mosaic img,
  .photo-mosaic img:first-child,
  .photo-mosaic img:not(:first-child) {
    grid-column: auto;
    grid-row: auto;
    min-height: 190px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .cta-content {
    padding: 30px 22px;
  }

  .form-actions .btn,
  .hero-actions .btn,
  .product-actions .btn {
    width: 100%;
  }
}