:root {
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --panel: rgba(14, 27, 44, 0.84);
  --line: rgba(12, 31, 58, 0.08);
  --text: #0f1726;
  --muted: #6c7c92;
  --brand: #21b7ff;
  --brand-deep: #1362ff;
  --accent: #7bffd9;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --container: min(1400px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  background:
    radial-gradient(circle at 14% 0%, rgba(33, 183, 255, 0.12), transparent 22%),
    radial-gradient(circle at 88% 10%, rgba(19, 98, 255, 0.08), transparent 20%),
    linear-gradient(180deg, #ffffff 0%, #f7fafe 38%, #ffffff 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.76), transparent 86%);
}

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

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

button {
  font: inherit;
}

.shell,
.site-footer {
  width: var(--container);
  margin: 0 auto;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid rgba(12, 31, 58, 0.06);
  transition: opacity 220ms ease, transform 220ms ease;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 42px;
  color: var(--muted);
  font-size: 0.83rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  transition: background 220ms ease, box-shadow 220ms ease;
  overflow: visible;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 44px;
  position: relative;
  width: min(calc(100vw - 56px), 1660px);
  margin: 0 auto;
  min-height: 74px;
  padding: 2px 0;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 40px rgba(14, 27, 44, 0.08);
}

.site-header.is-scrolled + main .hero {
  padding-top: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: flex-start;
  margin-right: 0;
}

.brand-logo {
  display: block;
  width: clamp(220px, 21vw, 360px);
  height: auto;
  object-fit: contain;
  transform-origin: left center;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(19, 98, 255, 0.9), rgba(33, 183, 255, 0.8));
  color: #fff;
  font-family: "Segoe UI", sans-serif;
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  transition: width 220ms ease, height 220ms ease, font-size 220ms ease;
}

.site-header.is-scrolled .brand-mark {
  width: 52px;
  height: 52px;
  font-size: 1rem;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-copy strong {
  font-size: 1.26rem;
  font-weight: 700;
  transition: font-size 220ms ease;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  transition: font-size 220ms ease;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: 220px;
}

.site-nav a,
.nav-dropdown-toggle {
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 600;
  transition: font-size 220ms ease, color 220ms ease;
}

.site-nav a:hover,
.site-nav a.is-active,
.nav-dropdown-toggle:hover,
.nav-dropdown.is-open .nav-dropdown-toggle {
  color: #111827;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
}

.nav-dropdown-menu {
  position: absolute;
  top: var(--dropdown-top-offset, calc(100% + 18px));
  left: 50%;
  width: min(1180px, calc(100vw - 80px));
  border-top: 1px solid rgba(12, 31, 58, 0.06);
  background: #f7f9fc;
  box-shadow: 0 18px 40px rgba(14, 27, 44, 0.08);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-34%) translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.nav-dropdown.is-open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-34%) translateY(0);
}

.product-directory {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 520px;
}

.product-directory-sidebar {
  position: relative;
  padding: 46px 0 46px;
  background:
    radial-gradient(circle at 12% 92%, rgba(203, 216, 233, 0.24), transparent 28%),
    linear-gradient(180deg, #f4f7fb 0%, #f7f9fc 100%);
}

.product-directory-sidebar::after {
  content: "";
  position: absolute;
  top: 46px;
  right: 0;
  width: 1px;
  height: calc(100% - 92px);
  background: rgba(12, 31, 58, 0.08);
}

.product-directory-sidebar::before {
  content: "";
  position: absolute;
  top: 46px;
  right: -2px;
  width: 4px;
  height: 22px;
  background: #1d56ea;
  border-radius: 999px;
}

.directory-category {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: 64px;
  padding: 0 28px 0 118px;
  border: 0;
  background: transparent;
  color: #26374d;
  font-size: 1.08rem;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
}

.directory-category.is-active::after {
  content: ">";
  margin-left: 18px;
  color: #2b63ff;
  font-size: 1.25rem;
  line-height: 1;
}

.directory-category.is-active {
  color: #2b63ff;
  font-weight: 700;
}

.product-directory-content {
  padding: 34px 72px 42px;
  background: #f7f9fc;
}

.directory-panel {
  display: none;
}

.directory-panel.is-active {
  display: block;
}

.directory-panel h3 {
  margin: 0;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(12, 31, 58, 0.12);
  color: #1f1f1f;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 1.62rem;
  font-weight: 500;
}

.directory-panel-body {
  display: block;
}

.directory-groups {
  display: grid;
  gap: 64px;
  padding-top: 42px;
}

.directory-groups-1col {
  grid-template-columns: 1fr;
}

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

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

.directory-group h4 {
  margin: 0 0 20px;
  color: #111827;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 1rem;
  font-weight: 600;
}

.directory-group h4:not(:first-child) {
  margin-top: 26px;
}

.directory-group a {
  display: block;
  margin-bottom: 16px;
  color: #273547;
  font-size: 0.88rem;
  font-weight: 400;
  line-height: 1.55;
}

.directory-group a:hover {
  color: #2b63ff;
}

.category-page {
  padding: 48px 0 72px;
}

.category-page-shell {
  width: var(--container);
  margin: 0 auto;
}

.category-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 32px;
}

.category-hero-copy,
.category-hero-media,
.category-card {
  border: 1px solid rgba(12, 31, 58, 0.08);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 18px 40px rgba(14, 27, 44, 0.08);
}

.category-hero-copy {
  padding: 42px 44px;
}

.category-hero-copy span {
  display: inline-block;
  margin-bottom: 16px;
  color: #2b63ff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.category-hero-copy h1 {
  margin: 0 0 18px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2rem, 3.2vw, 3.2rem);
  line-height: 1.06;
}

.category-hero-copy p {
  margin: 0;
  color: #5f7189;
  font-size: 1rem;
  line-height: 1.85;
}

.category-hero-media {
  overflow: hidden;
  min-height: 360px;
}

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

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

.category-card {
  overflow: hidden;
}

.category-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.category-card-body {
  padding: 24px 26px 26px;
}

.category-card-body h2 {
  margin: 0 0 16px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 1.5rem;
}

.category-card-body ul {
  margin: 0;
  padding-left: 18px;
  color: #334155;
  line-height: 1.9;
}

.category-card-body li + li {
  margin-top: 2px;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

.header-search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #111827;
}

.header-search-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.header-lang {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #6b7280;
  font-size: 1rem;
}

.header-lang-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1rem;
  font-weight: 500;
}

.header-lang-button.is-active {
  color: #111827;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 6px auto;
  background: #fff;
}

.hero,
.section {
  padding-top: 88px;
}

.hero {
  padding-top: 0;
  padding-bottom: 0;
  width: 100%;
  max-width: none;
  transition: padding-top 220ms ease;
}

.panel,
.intro-main,
.metric {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.hero-carousel {
  position: relative;
  overflow: hidden;
  height: calc(100vh - 110px);
  min-height: 790px;
  width: 100%;
  border-radius: 0 0 52px 0;
  background: #06080d;
  transition: min-height 220ms ease, height 220ms ease;
}

.site-header.is-scrolled + main .hero-carousel {
  height: calc(100vh - 84px);
  min-height: 730px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 480ms ease;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-slide-bg,
.hero-slide-content {
  position: relative;
  z-index: 1;
}

.hero-slide-bg {
  grid-column: 1 / -1;
  grid-row: 1;
  height: 100%;
}

.hero-slide-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 8, 13, 0.92) 0%, rgba(5, 8, 13, 0.84) 30%, rgba(5, 8, 13, 0.22) 58%, rgba(5, 8, 13, 0.6) 100%),
    radial-gradient(circle at 70% 52%, rgba(70, 92, 255, 0.26), transparent 30%);
}

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

.hero-slide-content {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  text-align: left;
  width: min(920px, 60vw);
  max-width: none;
  min-height: 100%;
  padding: 34px 0 196px max(40px, calc((100vw - 1240px) / 2 + 40px));
  gap: 22px;
}

.hero-kicker,
.product-copy span,
.news-card span,
.eyebrow {
  display: block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.hero-slide-content h1,
.intro-main h2,
.about-copy h3,
.product-copy h3,
.service-card h3,
.news-card h3,
.contact-copy h2 {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

.hero-slide-content h1 {
  margin: 0;
  color: #fff;
  max-width: 780px;
  font-size: clamp(2.6rem, 4vw, 4.2rem);
  line-height: 1.08;
  transition: none;
}

.hero-slide-compact .hero-slide-content {
  width: min(860px, 56vw);
  padding-top: 30px;
  padding-bottom: 196px;
}

.hero-slide-compact .hero-slide-content h1 {
  max-width: 780px;
  font-size: clamp(2.6rem, 4vw, 4.2rem);
  line-height: 1.08;
}

.hero-desc,
.intro-main p,
.metric span,
.about-copy p,
.product-copy p,
.service-card p,
.section-note,
.news-card p,
.contact-copy p,
.contact-side li,
.site-footer p {
  color: var(--muted);
  line-height: 1.82;
}

.hero-desc {
  max-width: 680px;
  margin: 0;
  font-size: 1.06rem;
  color: rgba(255, 255, 255, 0.82);
  transition: font-size 220ms ease, margin 220ms ease;
}

.site-header.is-scrolled + main .hero-desc {
  margin-top: 18px;
  font-size: 0.98rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 12px;
}

.site-header.is-scrolled + main .hero-actions {
  margin-top: 22px;
}

.hero-carousel-ui {
  position: absolute;
  bottom: 58px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-header.is-scrolled + main .hero-carousel-ui {
  bottom: 46px;
}

.hero-arrow {
  border: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 2rem;
  background: transparent;
}

.hero-dots {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  background: transparent;
}

.hero-dot.is-active {
  width: 34px;
  background: #fff;
  border-color: #fff;
}

.hero-side-mark {
  position: absolute;
  right: 34px;
  bottom: 22px;
  z-index: 2;
  width: 2px;
  height: 150px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.9), transparent);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
  width: var(--container);
  margin-left: auto;
  margin-right: auto;
  transition: margin-top 220ms ease;
}

.site-header.is-scrolled + main .hero-metrics {
  margin-top: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--brand-deep), var(--brand));
  color: #fff;
  box-shadow: 0 18px 40px rgba(19, 98, 255, 0.34);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
}

.intro-ref {
  padding-top: 48px;
  padding-bottom: 40px;
}

.intro-ref-head {
  text-align: center;
}

.intro-ref-head h2 {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  line-height: 1.16;
  color: #05070b;
}

.intro-ref-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr 1fr;
  gap: 44px;
  align-items: center;
  margin-top: 78px;
}

.intro-ref-side h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.7;
}

.intro-ref-side p,
.intro-ref-copy p {
  margin: 18px 0 0;
  color: #111827;
  font-size: 1.02rem;
  line-height: 1.8;
}

.intro-ref-side a {
  display: inline-flex;
  margin-top: 18px;
  color: #111827;
  font-weight: 700;
}

.intro-ref-media {
  display: flex;
  justify-content: flex-end;
}

.intro-ref-collage {
  display: grid;
  grid-template-columns: 0.78fr 0.78fr 1.06fr;
  gap: 0;
  width: min(500px, 100%);
  overflow: hidden;
  border-radius: 999px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.14);
}

.intro-ref-collage img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.metric {
  padding: 24px;
}

.metric strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.6rem;
}

.section-head {
  margin-bottom: 32px;
}

.section-head.center {
  text-align: center;
}

.section-head h2 {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.section-note {
  max-width: 700px;
  margin: 14px auto 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  gap: 18px;
}

.about-media {
  overflow: hidden;
}

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

.about-copy {
  padding: 30px;
}

.about-copy h3 {
  margin-bottom: 14px;
  font-size: 1.5rem;
}

.about-copy p {
  margin: 0;
}

.about-copy p + p {
  margin-top: 16px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

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

.product-feature {
  padding-top: 24px;
}

.product-feature-head h2 {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(3rem, 5.8vw, 6rem);
  line-height: 1;
  color: #05070b;
}

.product-feature-head p {
  margin: 22px 0 0;
  color: #111827;
  font-size: 1.1rem;
}

.product-feature-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 72px;
  align-items: center;
  margin-top: 72px;
}

.product-feature-media img {
  width: 100%;
  min-height: 560px;
  border-radius: 42px 18px 42px 18px;
  object-fit: cover;
  box-shadow: 0 26px 70px rgba(15, 23, 42, 0.14);
}

.product-feature-copy span {
  display: block;
  margin-bottom: 34px;
  color: #111827;
  font-size: 1rem;
  font-weight: 700;
}

.product-feature-copy h3 {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(3rem, 4.8vw, 5.6rem);
  line-height: 1.05;
  color: #05070b;
}

.product-feature-copy p {
  margin: 34px 0 0;
  color: #111827;
  font-size: 1.12rem;
  line-height: 1.9;
}

.product-feature-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 74px;
  height: 74px;
  margin-top: 42px;
  border: 1px solid rgba(34, 76, 196, 0.4);
  border-radius: 999px;
  color: #4f46e5;
  font-size: 2rem;
}

.product-item {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 24px;
  padding: 22px;
}

.product-image img {
  width: 100%;
  min-height: 220px;
  border-radius: 18px;
  object-fit: cover;
}

.product-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-copy span {
  margin-bottom: 12px;
}

.product-copy h3 {
  margin-bottom: 12px;
  font-size: 1.45rem;
}

.product-copy p {
  margin: 0;
}

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

.service-showcase {
  padding-top: 12px;
}

.service-showcase-head {
  text-align: center;
}

.service-showcase-head h2 {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.6rem, 4vw, 4rem);
  line-height: 1;
  color: #05070b;
}

.service-collage {
  display: grid;
  grid-template-columns: 1.08fr 0.74fr 1.15fr 0.74fr;
  gap: 22px;
  align-items: start;
  margin-top: 40px;
}

.service-column {
  display: grid;
  gap: 18px;
}

.service-tile,
.service-label {
  position: relative;
  overflow: hidden;
  background: #eef3fa;
  box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
}

.service-tile {
  border-radius: 10px;
}

.service-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-tile-small {
  min-height: 190px;
  transform: skewY(-4deg);
}

.service-tile-small img,
.service-tile-large img {
  transform: skewY(4deg) scale(1.06);
}

.service-tile-medium {
  min-height: 220px;
  transform: skewY(4deg);
}

.service-tile-medium img {
  transform: skewY(-4deg) scale(1.06);
}

.service-tile-large {
  min-height: 410px;
}

.service-tile-tall {
  min-height: 396px;
}

.service-tile-hero {
  min-height: 440px;
}

.service-tile-rounded {
  border-bottom-right-radius: 46px;
}

.service-label {
  display: flex;
  align-items: flex-end;
  min-height: 178px;
  padding: 18px 20px;
  border-radius: 0 0 10px 10px;
  transform: skewY(4deg);
}

.service-label span {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  transform: skewY(-4deg);
}

.service-label-blue {
  background: #203892;
}

.service-label-orange {
  background: #ef9800;
}

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

.service-card,
.news-card {
  padding: 24px;
}

.service-card h3,
.news-card h3 {
  margin-bottom: 12px;
  font-size: 1.18rem;
}

.service-card p,
.news-card p {
  margin: 0;
}

.news-card span {
  margin-bottom: 16px;
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 26px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(241, 246, 252, 0.96));
}

.logo-wall img {
  width: 100%;
  height: 88px;
  padding: 18px 22px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  background: #fff;
  object-fit: contain;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.logo-wall img.logo-dark-card {
  border-color: rgba(15, 23, 42, 0.16);
  background: linear-gradient(145deg, #243247, #182233);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.18);
}

.site-contact-footer {
  margin-top: 96px;
  padding: 0 0 42px;
  background: #2c2b2b;
}

.footer-panel {
  padding: 86px 0 54px;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) 1.25fr;
  gap: 44px;
  align-items: start;
}

.footer-column h3,
.footer-contact p,
.footer-phone,
.footer-mail {
  margin: 0;
  color: #fff;
}

.footer-column h3 {
  margin-bottom: 30px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 1.1rem;
}

.footer-column ul {
  margin: 0;
  padding-left: 18px;
}

.footer-column li {
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.footer-phone-label {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
}

.footer-phone {
  display: inline-block;
  margin-top: 12px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 700;
}

.footer-mail {
  display: inline-block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.08rem;
}

.footer-address {
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.9;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.footer-outline {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: transparent;
  color: #fff;
}

.site-footer {
  width: 100%;
  padding: 0 0 34px;
  background: #2c2b2b;
}

.site-footer p {
  margin: 0;
  text-align: center;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.42);
}

@media (max-width: 1120px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .intro-ref-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-top: 48px;
  }

  .intro-ref-media {
    justify-content: flex-start;
  }

  .hero-slide-content {
    width: min(760px, 62vw);
    padding-right: 36px;
  }

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

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

  .product-feature-grid {
    grid-template-columns: 1fr;
    gap: 34px;
    margin-top: 48px;
  }

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

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

@media (max-width: 820px) {
  :root {
    --container: min(100vw - 24px, 100%);
  }

  .topbar {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .header-inner {
    justify-content: space-between;
    gap: 20px;
    width: var(--container);
  }

  .brand {
    margin-right: auto;
  }

  .site-nav {
    margin-left: 0;
  }

  .header-tools {
    margin-left: 0;
    gap: 16px;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 12px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: min(280px, 82vw);
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown-toggle {
    justify-content: space-between;
    width: 100%;
  }

  .nav-dropdown-menu {
    position: static;
    width: 100%;
    margin-top: 10px;
    border-top-width: 2px;
    box-shadow: none;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-dropdown.is-open .nav-dropdown-menu {
    display: block;
  }

  .header-tools {
    width: 100%;
    justify-content: flex-start;
  }

  .product-directory {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .product-directory-sidebar {
    padding: 6px 0;
  }

  .product-directory-sidebar::before,
  .product-directory-sidebar::after {
    display: none;
  }

  .directory-category {
    min-height: 54px;
    padding: 0 14px;
  }

  .directory-category.is-active::after {
    margin-left: auto;
  }

  .product-directory-content {
    padding: 20px 14px 14px;
  }

  .directory-groups-2col,
  .directory-groups-3col {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .logo-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 18px;
  }

  .logo-wall img {
    height: 78px;
    padding: 14px 16px;
  }

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

  .hero-carousel {
    height: calc(100vh - 92px);
    min-height: 660px;
  }

  .site-header.is-scrolled + main .hero-carousel {
    height: calc(100vh - 78px);
    min-height: 600px;
  }

  .hero-slide-content {
    align-self: stretch;
    justify-content: flex-start;
    width: min(100%, 620px);
    padding: 24px 22px 152px;
    gap: 18px;
  }

  .intro-ref {
    padding-top: 38px;
  }

  .intro-ref-head h2 {
    font-size: clamp(2.2rem, 8vw, 3.2rem);
  }

  .intro-ref-collage {
    width: 100%;
  }

  .intro-ref-collage img {
    height: 170px;
  }

  .brand-logo {
    width: min(320px, 52vw);
  }

  .hero-slide-content h1 {
    font-size: clamp(2.5rem, 11vw, 4rem);
  }

  .hero-carousel-ui {
    left: 50%;
    bottom: 28px;
    gap: 18px;
  }

  .hero-side-mark {
    right: 18px;
    height: 110px;
  }

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

  .product-feature-head h2 {
    font-size: clamp(2.8rem, 14vw, 4.2rem);
  }

  .product-feature-media img {
    min-height: 360px;
    border-radius: 34px 18px 34px 18px;
  }

  .product-feature-copy h3 {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .service-tile-hero,
  .service-tile-large,
  .service-tile-tall,
  .service-tile-medium,
  .service-label {
    min-height: 220px;
  }

  .service-tile-small,
  .service-tile-medium,
  .service-label {
    transform: none;
  }

  .service-tile-small img,
  .service-tile-medium img,
  .service-tile-large img,
  .service-label span {
    transform: none;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-panel {
    padding: 56px 0 34px;
  }

  .footer-phone {
    font-size: clamp(1.6rem, 8vw, 2.5rem);
  }
}

.waveplates-page {
  background: #fff;
}

.waveplates-banner {
  position: relative;
  width: 100%;
  height: 374px;
  overflow: hidden;
  border-bottom-right-radius: 86px;
  background: #083866;
}

.waveplates-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.waveplates-banner h1 {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  color: #fff;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.8rem, 4.4vw, 4rem);
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
}

.waveplates-heading {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding-top: 118px;
  padding-bottom: 58px;
}

.waveplates-heading-crumb-only {
  display: flex;
  justify-content: flex-end;
  padding-top: 30px;
  padding-bottom: 34px;
}

.waveplates-heading h2 {
  margin: 0;
  color: #050505;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  line-height: 1;
  font-weight: 800;
}

.waveplates-crumb {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: #555;
  font-size: 0.92rem;
  white-space: nowrap;
}

.waveplates-crumb a {
  color: #777;
}

.waveplates-crumb strong {
  color: #111;
  font-weight: 800;
}

.waveplates-products {
  padding-bottom: 108px;
}

.waveplates-products > h2 {
  margin: 0 0 54px;
  color: #182c91;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(3rem, 5vw, 4.9rem);
  line-height: 1;
  font-weight: 800;
  text-align: center;
}

.waveplates-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 74px 38px;
}

.waveplates-card {
  display: block;
  min-width: 0;
}

.waveplates-card img {
  width: 100%;
  aspect-ratio: 1.34 / 1;
  border-radius: 10px;
  object-fit: cover;
  background: #90cff8;
}

.waveplates-card h3 {
  margin: 24px 0 0;
  color: #151515;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(1.35rem, 1.8vw, 1.9rem);
  line-height: 1.2;
  font-weight: 800;
}

.waveplates-card:hover h3 {
  color: #182c91;
}

.waveplates-page .site-contact-footer {
  margin-top: 0;
}

@media (max-width: 1120px) {
  .waveplates-heading {
    padding-top: 74px;
  }

  .waveplates-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 54px 28px;
  }
}

@media (max-width: 820px) {
  .waveplates-banner {
    height: 250px;
    border-bottom-right-radius: 54px;
  }

  .waveplates-heading {
    grid-template-columns: 1fr;
    padding-top: 54px;
    padding-bottom: 38px;
  }

  .waveplates-crumb {
    flex-wrap: wrap;
    white-space: normal;
  }

  .waveplates-products {
    padding-bottom: 72px;
  }

  .waveplates-products > h2 {
    margin-bottom: 36px;
    text-align: left;
  }

  .waveplates-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.category-page-like {
  background: #fff;
}

.category-main-banner {
  position: relative;
  width: 100%;
  height: 420px;
  overflow: hidden;
  border-bottom-right-radius: 92px;
  background: #101827;
}

.category-main-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.category-main-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.22);
}

.category-main-banner h1 {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  margin: 0;
  color: #fff;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.8rem, 4.2vw, 4.4rem);
  line-height: 1;
  font-weight: 800;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.26);
}

.category-main-heading {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding-top: 118px;
  padding-bottom: 76px;
}

.category-main-heading h2 {
  margin: 0;
  color: #050505;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  line-height: 1;
  font-weight: 800;
}

.category-main-heading nav {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: #555;
  font-size: 0.92rem;
  white-space: nowrap;
}

.category-main-heading nav a {
  color: #777;
}

.category-main-heading nav strong {
  color: #111;
  font-weight: 800;
}

.category-main-products {
  padding-bottom: 108px;
}

.category-main-products > h2 {
  margin: 0 0 68px;
  color: #182c91;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(3rem, 5vw, 4.9rem);
  line-height: 1;
  font-weight: 800;
  text-align: center;
}

.category-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 74px 38px;
}

.category-card-link {
  display: block;
  min-width: 0;
}

.category-card-link img {
  width: 100%;
  aspect-ratio: 1.34 / 1;
  border-radius: 10px;
  object-fit: cover;
  background: #90cff8;
}

.category-card-link h3 {
  margin: 24px 0 0;
  color: #151515;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(1.35rem, 1.8vw, 1.9rem);
  line-height: 1.2;
  font-weight: 800;
}

.category-card-link:hover h3 {
  color: #182c91;
}

.category-page-like .site-contact-footer {
  margin-top: 0;
}

@media (max-width: 1120px) {
  .category-main-banner {
    height: 340px;
  }

  .category-main-heading {
    padding-top: 74px;
  }

  .category-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 54px 28px;
  }
}

@media (max-width: 820px) {
  .category-main-banner {
    height: 250px;
    border-bottom-right-radius: 54px;
  }

  .category-main-heading {
    grid-template-columns: 1fr;
    padding-top: 54px;
    padding-bottom: 38px;
  }

  .category-main-heading nav {
    flex-wrap: wrap;
    white-space: normal;
  }

  .category-main-products {
    padding-bottom: 72px;
  }

  .category-main-products > h2 {
    margin-bottom: 36px;
    text-align: left;
  }

  .category-card-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.precision-page {
  background: #fff;
}

.precision-banner {
  position: relative;
  width: 100%;
  height: 420px;
  overflow: hidden;
  border-bottom-right-radius: 92px;
  background: #101827;
}

.precision-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.precision-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.22);
}

.precision-banner h1 {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  margin: 0;
  color: #fff;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.8rem, 4.2vw, 4.4rem);
  line-height: 1;
  font-weight: 800;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.26);
}

.precision-heading {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding-top: 118px;
  padding-bottom: 76px;
}

.precision-heading h2 {
  margin: 0;
  color: #050505;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  line-height: 1;
  font-weight: 800;
}

.precision-crumb {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: #555;
  font-size: 0.92rem;
  white-space: nowrap;
}

.precision-crumb a {
  color: #777;
}

.precision-crumb strong {
  color: #111;
  font-weight: 800;
}

.precision-products {
  padding-bottom: 108px;
}

.precision-products > h2 {
  margin: 0 0 68px;
  color: #182c91;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(3rem, 5vw, 4.9rem);
  line-height: 1;
  font-weight: 800;
  text-align: center;
}

.precision-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 74px 38px;
}

.precision-card {
  display: block;
  min-width: 0;
}

.precision-card img {
  width: 100%;
  aspect-ratio: 1.34 / 1;
  border-radius: 10px;
  object-fit: cover;
  background: #90cff8;
}

.precision-card h3 {
  margin: 24px 0 0;
  color: #151515;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(1.35rem, 1.8vw, 1.9rem);
  line-height: 1.2;
  font-weight: 800;
}

.precision-card:hover h3 {
  color: #182c91;
}

.precision-page .site-contact-footer {
  margin-top: 0;
}

@media (max-width: 1120px) {
  .precision-banner {
    height: 340px;
  }

  .precision-heading {
    padding-top: 74px;
  }

  .precision-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 54px 28px;
  }
}

@media (max-width: 820px) {
  .precision-banner {
    height: 250px;
    border-bottom-right-radius: 54px;
  }

  .precision-heading {
    grid-template-columns: 1fr;
    padding-top: 54px;
    padding-bottom: 38px;
  }

  .precision-crumb {
    flex-wrap: wrap;
    white-space: normal;
  }

  .precision-products {
    padding-bottom: 72px;
  }

  .precision-products > h2 {
    margin-bottom: 36px;
    text-align: left;
  }

  .precision-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.multi-page {
  background: #fff;
}

.multi-banner {
  position: relative;
  width: 100%;
  height: 374px;
  overflow: hidden;
  border-bottom-right-radius: 86px;
  background: #083866;
}

.multi-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.multi-banner h1 {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  color: #fff;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.8rem, 4.4vw, 4rem);
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
}

.multi-heading {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding-top: 118px;
  padding-bottom: 58px;
}

.multi-heading h2 {
  margin: 0;
  color: #050505;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  line-height: 1;
  font-weight: 800;
}

.multi-crumb {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: #555;
  font-size: 0.92rem;
  white-space: nowrap;
}

.multi-crumb a {
  color: #777;
}

.multi-crumb strong {
  color: #111;
  font-weight: 800;
}

.multi-products {
  padding-bottom: 108px;
}

.multi-products > h2 {
  margin: 0 0 54px;
  color: #182c91;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(3rem, 5vw, 4.9rem);
  line-height: 1;
  font-weight: 800;
  text-align: center;
}

.multi-products-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 74px 38px;
}

.multi-product-card {
  display: block;
  min-width: 0;
}

.multi-product-card img {
  width: 100%;
  aspect-ratio: 1.34 / 1;
  border-radius: 10px;
  object-fit: cover;
  background: #90cff8;
}

.multi-product-card h3 {
  margin: 24px 0 0;
  color: #151515;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(1.35rem, 1.8vw, 1.9rem);
  line-height: 1.2;
  font-weight: 800;
}

.multi-product-card:hover h3 {
  color: #182c91;
}

.multi-page .site-contact-footer {
  margin-top: 0;
}

@media (max-width: 1120px) {
  .multi-heading {
    padding-top: 74px;
  }

  .multi-products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 54px 28px;
  }
}

@media (max-width: 820px) {
  .multi-banner {
    height: 250px;
    border-bottom-right-radius: 54px;
  }

  .multi-heading {
    grid-template-columns: 1fr;
    padding-top: 54px;
    padding-bottom: 38px;
  }

  .multi-crumb {
    flex-wrap: wrap;
    white-space: normal;
  }

  .multi-products {
    padding-bottom: 72px;
  }

  .multi-products > h2 {
    margin-bottom: 36px;
    text-align: left;
  }

  .multi-products-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.reticles-page {
  background: #fff;
}

.reticles-banner {
  position: relative;
  width: 100%;
  height: 374px;
  overflow: hidden;
  border-bottom-right-radius: 86px;
  background: #083866;
}

.reticles-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.reticles-banner h1 {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  color: #fff;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.8rem, 4.4vw, 4rem);
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
}

.reticles-overview {
  padding-top: 76px;
}

.reticles-overview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}

.reticles-overview-head h2 {
  margin: 0;
  color: #111;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 800;
  line-height: 1;
}

.reticles-actions {
  display: flex;
  gap: 16px;
}

.reticles-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid #b9bec8;
  color: #555;
  font-size: 1rem;
  font-weight: 600;
}

.reticles-actions a:first-child {
  width: 52px;
  min-width: 52px;
  padding: 0;
  color: #9aa0a8;
  font-size: 2rem;
  font-weight: 300;
}

.reticles-summary {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(340px, 1fr);
  gap: 86px;
  align-items: center;
  max-width: 1040px;
  margin: 0 auto;
}

.reticles-image-wrap {
  position: relative;
  padding: 14px 0 0 18px;
}

.reticles-image-wrap span {
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 122px;
  background: #1e2d92;
}

.reticles-image-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 1.38 / 1;
  object-fit: cover;
  background: #8bd0fb;
}

.reticles-feature h3 {
  margin: 0 0 18px;
  color: #111;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 1.55rem;
  font-weight: 800;
}

.reticles-feature ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #222;
  font-weight: 700;
}

.reticles-feature li::before {
  content: "▣";
  margin-right: 10px;
  color: #ff8c00;
}

.reticles-contact-button {
  display: inline-flex;
  align-items: center;
  min-height: 70px;
  margin-top: 88px;
  padding: 0 28px;
  background: #f5f5f5;
  color: #888;
  font-weight: 700;
}

.reticles-detail {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 26px;
  max-width: 1180px;
  padding-top: 104px;
}

.reticles-section-title {
  position: relative;
  min-height: 120px;
}

.reticles-section-title span {
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 64px;
  background: #1e2d92;
}

.reticles-section-title h2 {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin: 28px 0 0 48px;
  padding: 18px 18px 22px 42px;
  background: rgba(248, 248, 248, 0.94);
  color: #111;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.42;
  white-space: nowrap;
}

.reticles-copy {
  padding-top: 58px;
}

.reticles-copy p {
  margin: 0;
  color: #111;
  font-size: 1rem;
  line-height: 1.82;
}

.reticles-copy p + p {
  margin-top: 2px;
}

.reticles-copy h3 {
  margin: 18px 0 10px;
  color: #111;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
}

.reticles-spec-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.96rem;
}

.reticles-spec-table th {
  height: 44px;
  background: #1e2d92;
  color: #fff;
  font-weight: 800;
  text-align: center;
}

.reticles-spec-table td {
  height: 46px;
  border: 1px solid #dadde4;
  color: #111;
  font-weight: 700;
  text-align: center;
}

.reticles-message {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 26px;
  max-width: 1180px;
  padding-top: 92px;
  padding-bottom: 90px;
}

.reticles-message > p {
  grid-column: 2;
  margin: 36px 0 26px;
  color: #757575;
  font-weight: 700;
}

.reticles-form {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 36px;
}

.reticles-form label {
  display: grid;
  gap: 16px;
}

.reticles-form label:first-child,
.reticles-form-wide {
  grid-column: 1 / -1;
}

.reticles-form strong {
  color: #111;
  font-size: 1.45rem;
  line-height: 1;
}

.reticles-form b {
  color: #e60012;
}

.reticles-form input,
.reticles-form textarea {
  width: 100%;
  border: 1px solid #d4d8df;
  border-radius: 6px;
  background: #fafafa;
  color: #18358f;
  font: inherit;
  font-weight: 700;
}

.reticles-form input {
  height: 52px;
  padding: 0 24px;
}

.reticles-form textarea {
  min-height: 260px;
  padding: 22px 24px;
  resize: vertical;
}

.reticles-form input::placeholder,
.reticles-form textarea::placeholder {
  color: #c0c4cc;
}

.reticles-form button {
  grid-column: 1 / -1;
  justify-self: center;
  min-width: 280px;
  min-height: 72px;
  margin-top: 36px;
  border: 0;
  border-radius: 999px;
  background: #1e2d92;
  color: #fff;
  font-size: 1.55rem;
  font-weight: 800;
}

.reticles-page .site-contact-footer {
  margin-top: 0;
}

@media (max-width: 1120px) {
  .reticles-summary,
  .reticles-detail,
  .reticles-message {
    grid-template-columns: 1fr;
  }

  .reticles-summary {
    gap: 36px;
  }

  .reticles-copy,
  .reticles-message > p {
    grid-column: 1;
    padding-top: 0;
  }
}

@media (max-width: 820px) {
  .reticles-banner {
    height: 250px;
    border-bottom-right-radius: 54px;
  }

  .reticles-overview {
    padding-top: 48px;
  }

  .reticles-overview-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .reticles-summary {
    grid-template-columns: 1fr;
  }

  .reticles-contact-button {
    margin-top: 34px;
  }

  .reticles-detail,
  .reticles-message {
    padding-top: 64px;
  }

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

  .reticles-form button {
    width: 100%;
    min-width: 0;
  }
}

.window-list-page {
  background: #fff;
}

.windows-banner {
  position: relative;
  width: 100%;
  height: 374px;
  overflow: hidden;
  border-bottom-right-radius: 86px;
  background: #083866;
}

.windows-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.windows-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 44, 96, 0.08);
}

.windows-banner h1 {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  margin: 0;
  color: #fff;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.6rem, 4.2vw, 4rem);
  line-height: 1;
  font-weight: 800;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
}

.windows-heading {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding-top: 118px;
  padding-bottom: 58px;
}

.windows-heading h2 {
  margin: 0;
  color: #050505;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  line-height: 1;
  font-weight: 800;
}

.windows-crumb {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: #555;
  font-size: 0.92rem;
  white-space: nowrap;
}

.windows-crumb a {
  color: #777;
}

.windows-crumb strong {
  color: #111;
  font-weight: 800;
}

.windows-products {
  padding-bottom: 108px;
}

.windows-products > h2 {
  margin: 0 0 54px;
  color: #182c91;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(3rem, 5vw, 4.9rem);
  line-height: 1;
  font-weight: 800;
  text-align: center;
}

.windows-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 74px 38px;
}

.windows-card {
  display: block;
  min-width: 0;
}

.windows-card img {
  width: 100%;
  aspect-ratio: 1.34 / 1;
  border-radius: 10px;
  object-fit: cover;
  background: #90cff8;
}

.windows-card h3 {
  margin: 24px 0 0;
  color: #151515;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(1.35rem, 1.8vw, 1.9rem);
  line-height: 1.2;
  font-weight: 800;
}

.windows-card:hover h3 {
  color: #182c91;
}

.window-list-page .site-contact-footer {
  margin-top: 0;
}

.window-list-page .footer-panel {
  padding-top: 86px;
}

@media (max-width: 1120px) {
  .windows-heading {
    padding-top: 74px;
  }

  .windows-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 54px 28px;
  }
}

@media (max-width: 820px) {
  .windows-banner {
    height: 250px;
    border-bottom-right-radius: 54px;
  }

  .windows-heading {
    grid-template-columns: 1fr;
    padding-top: 54px;
    padding-bottom: 38px;
  }

  .windows-crumb {
    flex-wrap: wrap;
    white-space: normal;
  }

  .windows-products {
    padding-bottom: 72px;
  }

  .windows-products > h2 {
    margin-bottom: 36px;
    text-align: left;
  }

  .windows-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.window-page {
  background: #fff;
}

.window-hero {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  background: #101827;
}

.window-hero img {
  width: 100%;
  height: 390px;
  object-fit: cover;
  object-position: center;
  opacity: 0.74;
}

.window-hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, rgba(7, 13, 24, 0.74), rgba(7, 13, 24, 0.22));
}

.window-hero-overlay p {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.window-hero-overlay h1 {
  margin: 0;
  color: #fff;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1;
}

.window-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 72px;
  color: #7b8798;
  font-size: 0.94rem;
}

.window-breadcrumb a:hover {
  color: #1e5bde;
}

.window-breadcrumb strong {
  color: #1f2937;
  font-weight: 600;
}

.window-content {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 52px;
  align-items: start;
  padding-bottom: 72px;
}

.window-sidebar {
  border-top: 4px solid #1e5bde;
  background: #f5f8fc;
}

.window-sidebar h2 {
  margin: 0;
  padding: 26px 28px;
  color: #fff;
  background: #1e5bde;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 1.4rem;
}

.window-sidebar a {
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 0 28px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  color: #253247;
  font-weight: 600;
}

.window-sidebar a:hover,
.window-sidebar a.is-active {
  color: #1e5bde;
  background: #fff;
}

.window-detail {
  min-width: 0;
}

.window-title-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
}

.window-kicker {
  margin: 0 0 8px;
  color: #1e5bde;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.window-title-row h2 {
  margin: 0;
  color: #111827;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.2rem, 4vw, 3.7rem);
  line-height: 1;
}

.window-contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid #1e5bde;
  color: #1e5bde;
  font-weight: 700;
}

.window-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 38px;
  align-items: center;
  padding: 34px 0;
}

.window-intro-copy p {
  margin: 0;
  color: #4b5a6d;
  font-size: 1.02rem;
  line-height: 1.92;
}

.window-intro-copy p + p {
  margin-top: 16px;
}

.window-intro-media {
  overflow: hidden;
  border-radius: 6px;
  box-shadow: 0 20px 54px rgba(15, 23, 42, 0.12);
}

.window-intro-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.window-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 6px 0 34px;
}

.window-tabs a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 14px;
  border: 1px solid rgba(30, 91, 222, 0.22);
  background: #f8fbff;
  color: #1e355c;
  font-weight: 700;
  text-align: center;
}

.window-tabs a:hover {
  border-color: #1e5bde;
  color: #1e5bde;
  background: #fff;
}

.window-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.window-product-card {
  min-height: 280px;
  padding: 30px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.window-product-card h3,
.window-specs h3,
.window-service-band h2 {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

.window-product-card h3 {
  color: #111827;
  font-size: 1.38rem;
}

.window-product-card p {
  margin: 16px 0 0;
  color: #526274;
  line-height: 1.72;
}

.window-product-card ul {
  margin: 20px 0 0;
  padding-left: 18px;
  color: #243145;
  line-height: 1.9;
}

.window-specs {
  margin-top: 34px;
  padding: 34px;
  border-radius: 6px;
  background: #f3f7fb;
}

.window-specs h3 {
  color: #111827;
  font-size: 1.5rem;
}

.window-spec-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.window-spec-list span {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  background: #fff;
  color: #304258;
  font-weight: 600;
}

.window-service-band {
  padding: 76px 0;
  background: #112033;
}

.window-service-band p {
  margin: 0 0 14px;
  color: #7bffd9;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.window-service-band h2 {
  max-width: 900px;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.16;
}

@media (max-width: 1120px) {
  .window-content {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 30px;
  }

  .window-intro {
    grid-template-columns: 1fr;
  }

  .window-intro-media img {
    height: 320px;
  }

  .window-tabs,
  .window-spec-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .window-hero,
  .window-hero img {
    min-height: 300px;
    height: 300px;
  }

  .window-content {
    grid-template-columns: 1fr;
    padding-bottom: 46px;
  }

  .window-sidebar {
    position: static;
  }

  .window-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .window-tabs,
  .window-card-grid,
  .window-spec-list {
    grid-template-columns: 1fr;
  }

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

/* Synced homepage header and product-menu styling. */
.nav-dropdown::after {
  content: "";
  position: absolute;
  left: -18px;
  right: -620px;
  top: 100%;
  height: var(--dropdown-top-offset, 74px);
  pointer-events: none;
}

.nav-dropdown.is-open::after {
  pointer-events: auto;
}

.nav-dropdown-menu {
  left: 0;
  width: min(1180px, calc(100vw - 80px));
  border-top: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
  transform: translateY(8px);
}

.nav-dropdown.is-open .nav-dropdown-menu {
  transform: translateY(0);
}

.product-directory {
  position: relative;
  display: block;
  width: max-content;
  min-height: 0;
  align-items: start;
  filter: drop-shadow(0 18px 34px rgba(15, 23, 42, 0.16));
}

.product-directory.has-panel,
.product-directory.has-panel .directory-cascade.has-links {
  width: max-content;
}

.product-directory-sidebar,
.product-directory-content,
.directory-subcategories,
.directory-link-column {
  background: #fff;
}

.product-directory-sidebar {
  padding: 0;
  border-top: 4px solid #f28b00;
  width: max-content;
  min-width: 230px;
  background: #fff;
}

.product-directory-sidebar::before,
.product-directory-sidebar::after {
  display: none;
}

.directory-category {
  min-height: 46px;
  padding: 0 16px 0 22px;
  border: 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: transparent;
  color: #4b5563;
  font-size: 0.96rem;
  font-weight: 700;
  width: max-content;
  min-width: 230px;
}

.directory-category::after {
  content: ">";
  margin-left: auto;
  color: #4b5563;
  font-size: 1.25rem;
  line-height: 1;
}

.directory-category.is-active,
.directory-category:hover {
  color: #102a91;
  background: #fff;
}

.directory-category.is-active::after {
  content: ">";
  margin-left: auto;
  color: #102a91;
  font-size: 1.25rem;
}

.product-directory-content {
  display: none;
  position: absolute;
  left: 100%;
  top: var(--panel-top, 0);
  width: max-content;
  min-width: 230px;
  padding: 0;
  border-top: 4px solid #102a91;
  background: #fff;
}

.product-directory.has-panel .product-directory-content {
  display: block;
}

.directory-panel.is-active {
  display: block;
}

.directory-panel > h3 {
  display: none;
}

.directory-cascade {
  display: block;
  align-items: start;
  position: relative;
  width: max-content;
  min-width: 230px;
}

.directory-cascade.has-links {
  width: max-content;
}

.directory-subcategories {
  position: relative;
  border-right: 1px solid rgba(15, 23, 42, 0.08);
  width: max-content;
  min-width: 230px;
}

.directory-subcategories::before,
.directory-link-column::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 46%;
  height: 4px;
  background: #f28b00;
}

.directory-subcategory {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 16px 0 22px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  color: #4b5563;
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.2;
  width: max-content;
  min-width: 230px;
}

.directory-subcategory.has-children::after {
  content: ">";
  margin-left: auto;
  color: #4b5563;
  font-size: 1.25rem;
  line-height: 1;
}

.directory-subcategory.is-active,
.directory-subcategory:hover {
  color: #102a91;
}

.directory-subcategory.is-active.has-children::after {
  color: #102a91;
}

.directory-link-column {
  display: none;
  position: absolute;
  left: 100%;
  top: var(--link-column-top, 0);
  width: max-content;
  min-width: 230px;
}

.directory-cascade.has-links .directory-link-column {
  display: block;
}

.directory-link-panel {
  display: none;
}

.directory-link-panel.is-active {
  display: block;
}

.directory-link-panel a {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  color: #4b5563;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.25;
  width: max-content;
  min-width: 230px;
}

.directory-link-panel a:hover {
  color: #102a91;
}

@media (max-width: 820px) {
  .nav-dropdown::after {
    display: none;
  }

  .nav-dropdown-menu {
    transform: translateY(8px);
  }

  .nav-dropdown.is-open .nav-dropdown-menu {
    transform: translateY(0);
  }

  .product-directory {
    width: 100%;
  }

  .product-directory-sidebar,
  .directory-category,
  .product-directory-content,
  .directory-cascade,
  .directory-subcategories,
  .directory-subcategory,
  .directory-link-column,
  .directory-link-panel a {
    width: 100%;
    min-width: 0;
  }

  .product-directory-content,
  .directory-link-column {
    position: static;
  }

  .product-directory-content {
    padding: 20px 14px 14px;
    border-top-width: 3px;
  }

  .directory-subcategories {
    border-right: 0;
  }

  .directory-link-panel {
    position: static;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  }

  .directory-link-panel:not(.is-active) {
    display: none;
  }
}