:root {
  --ink: #111216;
  --muted: #666b78;
  --line: #e6e8ee;
  --paper: #ffffff;
  --soft: #f5f6f9;
  --dark: #08090c;
  --blue: #3246d3;
  --cyan: #10bfd6;
  --amber: #ffb43b;
  --magenta: #e3489b;
  --green: #34c77b;
  --shadow: 0 18px 45px rgba(12, 16, 28, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
  background: var(--paper);
  line-height: 1.55;
}
.coverbgimg {
  position: absolute;
  inset: 0 0 0 0;
  z-index: -1;
}
.coverbgimg img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.coverbgimg::after{
  content: '';
  position: absolute;
  inset: 0 0 0 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 1;
}

main{padding-top: 76px;}
a {
  color: inherit;
  text-decoration: none;
}

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

.container,.container-xl {
  max-width: 1440px;
}

.container-narrow {
  max-width: 1040px;
}

.flow-nav {
  min-height: 76px;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(17, 18, 22, .08);
  backdrop-filter: blur(14px);
  transition: box-shadow .2s ease, min-height .2s ease;
}

.flow-nav.is-scrolled {
  min-height: 66px;
  box-shadow: 0 10px 30px rgba(14, 20, 35, .08);
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--ink);
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--ink);
  border-radius: 8px;
  box-shadow: inset 0 -4px 0 rgba(255, 255, 255, .12);
}

.navbar-nav .nav-link {
  color: #363a44;
  font-size: .95rem;
  font-weight: 650;
  padding: 10px 14px;
}

.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover {
  color: var(--blue);
}

.btn {
  border-radius: 6px;
  font-weight: 700;
  letter-spacing: 0;
}

.btn-primary {
  background: linear-gradient(120deg, #ff9f43, #ffb463);
  border-color:  #ffb463;
   box-shadow: 0 10px 28px rgba(255, 159, 67, 0.35);
   color: #2c1700;
   transition: transform 180ms ease, box-shadow 180ms ease;
   border-radius: 999px;
}


.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(120deg, #ff9f43, #ffb463);
  border-color: #ffb463;
      transform: translateY(-2px);
      color: #2c1700;
}

.btn-outline-light,
.btn-outline-dark {
  border-width: 1px;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.section-pad {
  padding: 92px 0;
}

.section-pad-sm {
  padding: 64px 0;
}

.section-title {
  margin-bottom: 34px;
}

.section-title .kicker,
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 13px;
  color: var(--blue);
  font-weight: 800;
  font-size: .76rem;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--blue);
}

.kicker.text-white::before {
  background: currentColor;
}

.section-title h2,
.section-heading {
  font-size: 2.25rem;
  line-height: 1.12;
  font-weight: 850;
  margin: 0;
}

.lead-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.03rem;
}

.hero-section{position: relative;min-height:600px;height: 70vh;overflow: hidden;display: flex;align-items: center;justify-content: center;text-align: center;}
.hero-bg{position: absolute;top:0;left:0;right:0;bottom:0;z-index:0;}
.hero-bg::after{position: absolute;top:0;left:0;right:0;bottom:0;z-index:0;background-color: rgba(0,0,0,0.4);content: '';width: 100%;height: 100%;transition: all 0.5s ease-in-out;}
.hero-bg img{width: 100%;height: 100%;object-fit: cover;}
.hero-content{position: relative;z-index:1;color: #fff;}
.hero-content h1{font-size: 4rem;font-weight: 700;margin-bottom: 2rem;}
.hero-content .hero-content-desc{opacity: .9;max-width: 60%;margin: auto;}

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

.dark-band {
  color: #fff;
  background: var(--dark);
}

.category-mosaic {
  display: grid;
  grid-template-columns: 1.15fr .85fr .85fr;
  gap: 18px;
}

.category-tile {
  position: relative;
  display: block;
  min-height: 230px;
  overflow: hidden;
  color: #fff;
  border-radius: 8px;
  background: #101219;
}

.category-tile.large {
  grid-row: span 2;
  min-height: 480px;
}

.category-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .82;
  transition: transform .5s ease;
}

.category-tile:hover img {
  transform: scale(1.04);
}

.tile-copy {
  position: absolute;
  inset: auto 0 0 0;
  padding: 24px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, .78));
}

.tile-copy h3 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  font-weight: 850;
}

.tile-copy p {
  margin: 0;
  color: rgba(255, 255, 255, .78);
}

.feature-card,
.product-card,
.case-card,
.blog-card,
.capability-card,
.factory-card,
.info-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  display:block;
}

.feature-card,
.capability-card,
.info-card {
  padding: 28px;
}

.feature-card i,
.capability-card i,
.info-card i {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: #fff;
  background: var(--ink);
  border-radius: 8px;
}

.feature-card h3,
.capability-card h3,
.info-card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 850;
}

.feature-card p,
.capability-card p,
.info-card p {
  margin: 0;
  color: var(--muted);
}

.product-card {
  height: 100%;
  transition: box-shadow .2s ease, transform .2s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.product-img {
  display: block;
  aspect-ratio: 4 / 3;
  background: #08090c;
}

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

.product-body {
  padding: 18px;
}

.product-body h3,
.product-body h4 {
  min-height: 42px;
  margin: 0 0 12px;
  font-size: 1rem;
  line-height: 1.25;
  font-weight: 500;
}

.spec-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 14px;
}

.spec-pills span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 8px;
  color: #606878;
  font-size: .76rem;
  background: #f2f4f8;
  border-radius: 6px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-weight: 800;
}

.text-link:hover {
  color: #1f2ca0;
}

.factory-strip {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  color: #fff;
}


.factory-strip .coverbgimg::after{
  background:linear-gradient(90deg, rgb(5 6 10 / 72%), rgb(5 6 9 / 2%));
}

.factory-strip h2 {
  max-width: 520px;
  font-size: 2.35rem;
  font-weight: 850;
}

.factory-strip p {
  max-width: 540px;
  color: rgba(255, 255, 255, .83);
}

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

.case-card {
  display: block;
  color: #fff;
  background: #050506;
  border-color: #18191f;
}



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

.case-card h3 {
  margin: 0;
  padding: 14px 14px 16px;
  font-size: .95rem;
  font-weight: 800;
}

.case-card:hover h3 {
  color: #b9f6ff;
}

.blog-card .blog-img {
  aspect-ratio: 4 / 2.6;
  background: #e9ecf3;
}

.blog-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.blog-date {
  color: #737a88;
  font-size: .84rem;
  margin-bottom: 8px;
}

.blog-card h3 {
  font-size: .98rem;
  line-height: 1.35;
  margin: 0;
  font-weight: 800;
}

.site-footer {
  color: rgba(255, 255, 255, .78);
  background: #07080b;
  padding: 64px 0 28px;
}

.site-footer h3,
.site-footer h4 {
  color: #fff;
  font-weight: 850;
}

.site-footer a {
  color: rgba(255, 255, 255, .72);
}

.site-footer a:hover {
  color: #fff;
}

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

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

.social-list a {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 8px;
}

.footer-bottom {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: .88rem;
}

.catalog-layout {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.catalog-sidebar {
  position: sticky;
  top: 92px;
  align-self: start;
  max-height: calc(100vh - 116px);
  border-radius: 0;
  -ms-overflow-style: none;
  scrollbar-width: none;
  overflow-x: hidden;
  overflow-y: auto;
}

.catalog-sidebar::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.catalog-sidebar:hover {
  scrollbar-width: thin;
}

.catalog-sidebar:hover::-webkit-scrollbar {
  width: 6px;
}

.catalog-sidebar:hover::-webkit-scrollbar-thumb {
  background: rgba(17, 18, 22, .28);
  border-radius: 999px;
}

.catalog-sidebar:hover::-webkit-scrollbar-track {
  background: transparent;
}

.catalog-group {
  border: 1px solid #d9d9d9;
  margin-bottom: 12px;
}

.catalog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  color: #191919;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-align: left;
  background: #f3f3f3;
  transition: background-color .2s ease;
}

.catalog-head:hover {
  background: #ececec;
}

.catalog-head i {
  color: #111;
  font-size: .85rem;
  transition: transform .2s ease;
}

.catalog-body {
  padding: 14px 18px 18px;
  background: #fff;
}

.catalog-body-categories {
  padding: 0;
  background: transparent;
}

.catalog-tree {
  display: grid;
  gap: 0;
}

.catalog-category-item {
  border-bottom: 1px solid #d9d9d9;
  background: #f3f3f3;
  transition: background-color .2s ease;
}

.catalog-category-item.is-open {
  background: #efefef;
}

.catalog-category-item:last-child {
  border-bottom: 0;
}

.catalog-category-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
}

.category-button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 0;
  color: #303641;
  border: 0;
  background: transparent;
  font-weight: 700;
  text-align: left;
}

.category-button-parent {
  flex: 1;
  min-width: 0;
  padding: 0 0 0 8px;
  color: #191919;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  transition: color .2s ease, background-color .2s ease;
  height: 48px;
}

.category-button-icon {
  width: 16px;
  display: inline-flex;
  justify-content: center;
  color: #1c1c1c;
  font-size: .9rem;
}

.catalog-category-item.is-open .category-button-parent,
.category-button-parent:hover {
  color: #111;
  background: #ececec;
}

.category-toggle {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #111;
  border: 0;
  border-radius: 0;
  background: transparent;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}

.category-toggle:hover {
  color: #111;
  background: #e9e9e9;
}

.category-toggle i {
  font-size: .85rem;
  transition: transform .2s ease;
}

.catalog-category-item.is-open .category-toggle i,
.category-toggle.is-open i {
  transform: rotate(180deg);
}

.catalog-sub {
  display: grid;
  gap: 0;
  margin: 0 10px 12px 0;
  padding: 6px 0 6px 14px;
  border-left: 2px solid #1293bf;
  background: #fff;
}

.category-button-child {
  position: relative;
  padding: 8px 0;
  color: #2e2e2e;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.35;
  border-radius: 0;
  transition: color .2s ease, background-color .2s ease;
}

.category-button-child::before {
  display: none;
}

.category-button-child:hover {
  color: #0a6f96;
  background: transparent;
}

.category-button-child.is-current {
  color: #0a6f96;
  font-weight: 600;
}

.category-button.active,
.category-button:hover {
  color: inherit;
}

.catalog-head.is-collapsed i {
  transform: rotate(-90deg);
}

.catalog-group .catalog-body:not(.catalog-body-categories) {
  padding: 14px 18px 18px;
  background: #fff;
}

.catalog-card {
  display: block;
}

.product-section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin: 44px 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.product-section-title:first-child {
  margin-top: 0;
}

.product-section-title h2 {
  font-size: 1.55rem;
  margin: 0;
  font-weight: 600;
}

.prodspectable table {
  font-size: 13px;
}
.prodspectable table thead th {
  color: #fff;
  vertical-align: middle;
  background: #d49a3a;
  border: 1px solid var(--line);
}

.prodspectable table td {
  padding: 12px 18px;
  vertical-align: middle;
  font-weight: 400;
  border: 1px solid var(--line);
}

.detail-visual {
  background: #101116;
}

.productbanner {
  height:400px;
}
.productbannerimg {
  height: 100%;
  object-fit: cover;
}



.detail-visual img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
}

.detail-summary {
  padding: 52px 0;
}

.detail-summary h1 {
  font-size: 2rem;
  font-weight: 850;
  margin-bottom: 18px;
}

.icon-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.icon-spec {
  min-width: 92px;
  padding: 13px 12px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.icon-spec i {
  display: block;
  margin-bottom: 7px;
  color: var(--blue);
  font-size: 1.25rem;
}

.spec-table {
  min-width: 980px;
  margin-bottom: 0;
  font-size: .82rem;
}

.spec-table thead th {
  color: #fff;
  background: #d49a3a;
  border-color: #c78e31;
}

.gallery-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.gallery-row img,
.thumb-row img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
}

.thumb-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.thumb-row button {
  padding: 0;
  border: 2px solid transparent;
  background: transparent;
  border-radius: 8px;
}

.thumb-row button.active {
  border-color: var(--blue);
}

.about-intro {
  max-width: 980px;
}

.factory-card {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 28px;
  align-items: center;
  padding: 0;
  border: 0;
  background: transparent;
}

.factory-card + .factory-card {
  margin-top: 64px;
}

.factory-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.factory-copy h2 {
  font-size: 1.7rem;
  line-height: 1.25;
  font-weight: 850;
}

.factory-meta {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  color: var(--muted);
  font-size: .94rem;
}

.equipment-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 8px;
}

.equipment-card h3 {
  margin-top: 16px;
  font-size: 1.1rem;
  text-align: center;
  font-weight: 850;
}

.contact-panel {
  padding: 42px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.form-control,
.form-select {
  min-height: 48px;
  border-radius: 0;
}

textarea.form-control {
  min-height: 170px;
}

.join-box {
  padding: 42px;
  color: #fff;
  background: var(--ink);
  border-radius: 8px;
}

.join-box .form-control {
  border: 0;
}

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

.contact-list li {
  display: flex;
  gap: 12px;
  color: rgba(255, 255, 255, .78);
}

.contact-list i {
  margin-top: 4px;
  color: var(--cyan);
}

.map-panel {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(6, 7, 11, .78), rgba(6, 7, 11, .38)),
    url("../img/factory-exterior.jpg");
  background-position: center;
  background-size: cover;
  border-radius: 8px;
}

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 20;
  width: 46px;
  height: 46px;
  line-height: 46px;
  display: none;
  text-align: center;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: #fff;
  border: 1px solid rgba(50, 70, 211, .28);
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(16, 20, 36, .14);
}

.back-to-top:hover {
  color: #fff;
  background: var(--blue);
}

.empty-filter {
  display: none;
  padding: 36px;
  color: var(--muted);
  text-align: center;
  border: 1px dashed #c8ced9;
  border-radius: 8px;
  background: #fff;
}

.accordion-button {
  font-weight: 800;
}

.accordion-button:not(.collapsed) {
  color: var(--ink);
  background: #eef7fb;
  box-shadow: none;
}

@media (max-width: 1199.98px) {
  .case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 991.98px) {
  .flow-nav {
    min-height: 68px;
  }

  .navbar-collapse {
    padding: 18px 0 8px;
  }

  .hero {
    min-height: 640px;
  }

  .hero h1 {
    font-size: 3.2rem;
  }

  .page-hero h1 {
    font-size: 2.7rem;
  }

  .page-title-area h1 {
    font-size: 2.8rem;
  }

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

  .category-tile.large {
    grid-column: 1 / -1;
    min-height: 360px;
  }

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

  .catalog-sidebar {
    position: static;
    max-height: none;
    -ms-overflow-style: auto;
    scrollbar-width: auto;
    overflow: visible;
  }

  .catalog-sidebar {
    top: 0;
  }

  .factory-card {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 767.98px) {
  .section-pad {
    padding: 68px 0;
  }

  .hero {
    min-height: 610px;
  }

  .hero h1 {
    font-size: 2.42rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .page-title-area {
    padding: 118px 0 42px;
  }

  .page-title-area h1 {
    font-size: 2.35rem;
  }

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

  .section-title h2,
  .section-heading {
    font-size: 1.85rem;
  }

  .category-mosaic,
  .case-grid,
  .gallery-row,
  .thumb-row {
    grid-template-columns: 1fr;
  }

  .category-tile,
  .category-tile.large {
    min-height: 280px;
  }

  .contact-panel,
  .join-box {
    padding: 26px;
  }

  .catalog-category-row {
    gap: 8px;
  }

  .category-button-parent {
    padding: 10px;
  }

  .category-toggle {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .back-to-top {
    right: 18px;
    bottom: 18px;
  }
}


  .application-page {
    --la-primary: #000000;
    --la-secondary: #00687a;
    --la-secondary-light: #57dffe;
    --la-background: #f7f9fb;
    --la-surface: #ffffff;
    --la-surface-low: #f2f4f6;
    --la-surface-border: #c6c6cd;
    --la-text: #191c1e;
    --la-text-muted: #45464d;
    --la-footer-bg: #102000;
  }

  .application-page .application-list {
    row-gap: 2em;
  }
  .application-page .application-item {
    margin-bottom: 2rem;
    border: 1px solid rgb(198 198 205 / 0.3);
    transition: all 0.5s ease-in-out;
    height: 100%;
  }

  .application-page .application-item:hover {
    box-shadow: 0 0 #0000, 0 0 #0000, 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  }

  .application-page .application-item .itemlist-img {
    overflow: hidden;
  }

  .application-page .application-item .itemlist-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease-in-out;
  }

  .application-page .application-item:hover .itemlist-img img {
    transform: scale(1.05);
  }

  .application-page .application-item .itemlist-content {
    padding: 1em;
  }

  .application-page .application-item .itemlist-content-desc {
    font-size: .9em;
    font-weight: 400;
    color: #45464d;
  }

  .application-page .btn-brand {
    background-color: var(--la-secondary);
    border-color: var(--la-secondary);
    color: #ffffff;
  }

  .application-page .btn-brand:hover,
  .application-page .btn-brand:focus {
    background-color: #005665;
    border-color: #005665;
    color: #ffffff;
    box-shadow: 0 0 1rem rgba(87, 223, 254, 0.25);
  }

  .application-page .btn-outline-brand {
    border: 2px solid var(--la-secondary);
    color: var(--la-secondary);
  }

  .application-page .btn-outline-brand:hover,
  .application-page .btn-outline-brand:focus {
    background-color: rgba(0, 104, 122, 0.08);
    border-color: var(--la-secondary);
    color: var(--la-secondary);
  }

  .application-page .cta-section {
    background-color: var(--la-surface-low);
    border-top: 1px solid rgba(198, 198, 205, 0.55);
    border-bottom: 1px solid rgba(198, 198, 205, 0.55);
    padding: 6rem 0;
  }

  .application-page .section-title {
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.01em;
  }


  .application-page .section-copy {
    color: var(--la-text-muted);
  }