:root {
  --brand: #0e6eb8;
  --brand-dark: #064b82;
  --ink: #101927;
  --muted: #657386;
  --line: #dce7f3;
  --paper: #ffffff;
  --wash: #f3f8fc;
  --cyan: #11b8d8;
  --green: #27b889;
  --dark: #061827;
  --nav-height: 76px;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

button {
  font: inherit;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 22px;
  align-items: center;
  min-height: var(--nav-height);
  padding: 0 clamp(18px, 5vw, 70px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(14, 110, 184, 0.12);
  box-shadow: 0 10px 28px rgba(6, 75, 130, 0.08);
  backdrop-filter: blur(16px);
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header::after {
  position: absolute;
  right: clamp(18px, 5vw, 70px);
  bottom: 0;
  left: clamp(18px, 5vw, 70px);
  height: 1px;
  content: "";
  background: rgba(14, 110, 184, 0.08);
}

.brand {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  min-width: 150px;
}

.brand-logo {
  width: auto;
  height: 38px;
  max-width: 180px;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.2;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.main-nav {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: clamp(16px, 2.2vw, 34px);
  min-height: var(--nav-height);
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-parent,
.nav-link {
  display: inline-flex;
  align-items: center;
  height: var(--nav-height);
  padding: 0;
  color: inherit;
  font-size: 15px;
  font-weight: 700;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-parent::after {
  width: 7px;
  height: 7px;
  margin-left: 8px;
  content: "";
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.nav-parent:hover,
.nav-link:hover,
.nav-item:focus-within .nav-parent,
.nav-item:hover .nav-parent {
  color: var(--brand);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% - 6px);
  left: 50%;
  width: 330px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(14, 110, 184, 0.12);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(6, 24, 39, 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-dropdown a {
  display: grid;
  gap: 2px;
  padding: 13px 14px;
  color: var(--ink);
  border-radius: 8px;
}

.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
  background: rgba(14, 110, 184, 0.08);
}

.nav-dropdown span {
  font-size: 15px;
  font-weight: 800;
}

.nav-dropdown small {
  color: var(--muted);
  font-size: 12px;
}

.nav-item.mega {
  position: static;
}

.nav-item.mega .product-mega {
  position: fixed;
  top: var(--nav-height);
  right: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  width: 100vw;
  padding: 22px clamp(18px, 5vw, 70px);
  border-right: 0;
  border-left: 0;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.98);
  transform: translateY(12px);
}

.nav-item.mega:hover .product-mega,
.nav-item.mega:focus-within .product-mega {
  transform: translateY(0);
}

.mega-group {
  min-width: 0;
  padding: 10px;
  background: linear-gradient(180deg, #f8fbff, #fff);
  border: 1px solid rgba(14, 110, 184, 0.1);
  border-radius: 8px;
}

.mega-group h3 {
  margin: 0 0 12px;
  color: var(--brand-dark);
  font-size: 16px;
  line-height: 1.3;
}

.nav-dropdown .mega-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid transparent;
  border-radius: 8px;
}

.nav-dropdown .mega-card + .mega-card {
  margin-top: 8px;
}

.nav-dropdown .mega-card:hover,
.nav-dropdown .mega-card:focus-visible {
  background: #fff;
  border-color: rgba(14, 110, 184, 0.2);
  box-shadow: 0 10px 22px rgba(16, 25, 39, 0.08);
}

.mega-card img {
  display: none;
}

.mega-card span {
  min-width: 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.25;
}

.solution-mega {
  position: fixed;
  top: var(--nav-height);
  right: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  width: 100vw;
  padding: 22px clamp(18px, 5vw, 70px);
  border-right: 0;
  border-left: 0;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.98);
  transform: translateY(12px);
}

.nav-item:hover .solution-mega,
.nav-item:focus-within .solution-mega {
  transform: translateY(0);
}

.solution-menu-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 10px;
  min-width: 0;
  padding: 10px;
  background: linear-gradient(180deg, #f8fbff, #fff);
  border: 1px solid rgba(14, 110, 184, 0.1);
  border-radius: 8px;
}

.solution-menu-group h3 {
  grid-column: 1 / -1;
  margin: 0 0 10px;
  color: var(--brand-dark);
  font-size: 16px;
}

.solution-menu-group a + a {
  margin-top: 0;
}

.header-cta {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  color: #fff;
  font: inherit;
  font-weight: 800;
  background: var(--brand);
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

.mobile-inquiry-link {
  display: none;
}

.nav-toggle {
  position: relative;
  z-index: 3;
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--brand);
  border: 1px solid rgba(14, 110, 184, 0.22);
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
  min-height: 100vh;
  padding: calc(var(--nav-height) + 76px) clamp(20px, 5vw, 70px) 126px;
  overflow: hidden;
  color: #fff;
  background: var(--dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 28%, rgba(255, 255, 255, 0.2), transparent 30%),
    linear-gradient(105deg, rgba(14, 110, 184, 0.92), rgba(20, 139, 210, 0.74) 48%, rgba(255, 255, 255, 0.2)),
    url("assets/oldsite/images_libg2.jpg") center / cover;
}

.hero-bg::after {
  position: absolute;
  inset: auto 0 0;
  height: 32%;
  content: "";
  background: linear-gradient(0deg, var(--paper), transparent);
}

.home-hero {
  grid-template-columns: 1fr;
  place-items: center;
  padding: 0 clamp(20px, 5vw, 70px);
}

.home-hero .hero-bg {
  overflow: hidden;
  background: var(--brand);
  pointer-events: none;
}

.home-hero .hero-bg::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background:
    linear-gradient(180deg, rgba(14, 110, 184, 0.58), rgba(14, 110, 184, 0.34)),
    linear-gradient(90deg, rgba(4, 70, 123, 0.44), rgba(255, 255, 255, 0.08) 52%, rgba(14, 110, 184, 0.2));
}

.home-hero .hero-bg::after {
  z-index: 2;
}

.hero-slider {
  display: flex;
  width: 300%;
  height: 100%;
  transition: transform 620ms ease;
  transform: translate3d(0, 0, 0);
}

.hero-slide {
  flex: 0 0 100vw;
  width: 100vw;
  height: 100%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.slide-a {
  background-image:
    radial-gradient(circle at 72% 52%, rgba(255, 255, 255, 0.16), rgba(14, 110, 184, 0.34) 46%, rgba(6, 75, 130, 0.72) 78%);
}

.slide-b {
  background-image:
    radial-gradient(circle at 70% 50%, rgba(255, 255, 255, 0.16), rgba(20, 139, 210, 0.34) 46%, rgba(6, 75, 130, 0.68) 78%);
}

.slide-c {
  background-image:
    radial-gradient(circle at 70% 50%, rgba(255, 255, 255, 0.16), rgba(14, 110, 184, 0.3) 48%, rgba(5, 68, 121, 0.72) 78%);
}

.home-hero .hero-copy {
  z-index: 3;
  display: grid;
  justify-items: center;
  max-width: 980px;
  text-align: center;
}

.home-hero h1 {
  max-width: 980px;
  margin-bottom: 18px;
}

.home-hero .hero-lead {
  max-width: 720px;
  margin-bottom: 0;
}

.home-hero .hero-actions {
  position: absolute;
  top: calc(100% + 34px);
  left: 50%;
  justify-content: center;
  width: max-content;
  max-width: calc(100vw - 32px);
  transform: translateX(-50%);
}

.hero-carousel-controls {
  position: absolute;
  right: clamp(20px, 5vw, 70px);
  bottom: 34px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: rgba(6, 24, 39, 0.48);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  backdrop-filter: blur(12px);
}

.hero-arrow,
.hero-dots button {
  display: inline-grid;
  place-items: center;
  padding: 0;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
}

.hero-arrow {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
}

.hero-dots {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hero-arrow:hover,
.hero-arrow:focus-visible,
.hero-dots button:hover,
.hero-dots button:focus-visible,
.hero-dots button.is-active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--dark);
}

@media (prefers-reduced-motion: reduce) {
  .hero-slider {
    transition: none;
  }
}

.hero-copy,
.hero-showcase,
.hero-series {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 650px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(16px, 1.5vw, 19px);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  font-weight: 800;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn.primary {
  color: #fff;
  background: var(--brand);
  box-shadow: 0 16px 32px rgba(14, 110, 184, 0.25);
}

.btn.ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.32);
}

.btn.light {
  color: var(--brand);
  background: #fff;
}

.hero-showcase {
  justify-self: center;
  width: min(100%, 620px);
}

.product-orbit {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 50%, rgba(17, 184, 216, 0.18), transparent 42%),
    rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
}

.product-orbit::before,
.product-orbit::after {
  position: absolute;
  width: 72%;
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
}

.product-orbit::after {
  width: 46%;
}

.hero-product {
  position: relative;
  z-index: 1;
  width: min(84%, 520px);
  filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.32));
}

.orbit-dot {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  background: rgba(14, 110, 184, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.dot-a {
  top: 15%;
  right: 18%;
}

.dot-b {
  bottom: 20%;
  left: 12%;
  background: rgba(39, 184, 137, 0.92);
}

.dot-c {
  right: 8%;
  bottom: 18%;
  background: rgba(17, 184, 216, 0.92);
}

.hero-caption {
  display: grid;
  gap: 5px;
  margin-top: 14px;
  padding: 18px;
  background: rgba(6, 24, 39, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  backdrop-filter: blur(12px);
}

.hero-caption span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-caption strong {
  font-size: 28px;
  line-height: 1.1;
}

.hero-caption p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.hero-series {
  position: absolute;
  right: clamp(20px, 5vw, 70px);
  bottom: 36px;
  left: clamp(20px, 5vw, 70px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(14px);
}

.hero-series a {
  min-height: 82px;
  padding: 18px;
  background: rgba(6, 24, 39, 0.72);
}

.hero-series span {
  display: block;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
}

.hero-series strong {
  display: block;
  margin-top: 8px;
  font-size: 17px;
}

.metric-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(20px, 5vw, 70px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  transform: translateY(-24px);
}

.metric-band div {
  padding: 24px;
  background: #fff;
}

.metric-band strong {
  display: block;
  color: var(--brand);
  font-size: 28px;
  line-height: 1.1;
}

.metric-band span {
  color: var(--muted);
}

.partners {
  padding-top: clamp(36px, 5vw, 72px);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.partner-grid img {
  width: 100%;
  height: 110px;
  object-fit: contain;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.partner-grid.partner-marquee {
  grid-auto-flow: column;
  grid-auto-columns: minmax(170px, 1fr);
  grid-template-columns: none;
  grid-template-rows: repeat(3, 110px);
  overflow-x: hidden;
  overflow-y: hidden;
  scroll-behavior: auto;
  scrollbar-width: none;
}

.partner-grid.partner-marquee::-webkit-scrollbar {
  display: none;
}

.section {
  padding: clamp(64px, 8vw, 112px) clamp(20px, 5vw, 70px);
}

.muted {
  background: var(--wash);
}

.section-head {
  max-width: 780px;
  margin-bottom: clamp(30px, 4vw, 52px);
}

.section-head.wide {
  max-width: 960px;
}

.section-head h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.16;
  letter-spacing: 0;
}

.section-head p:last-child,
.about-grid p {
  color: var(--muted);
  font-size: 17px;
}

.section-head.compact {
  margin-bottom: 0;
}

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

.feature-product {
  display: grid;
  grid-template-rows: 240px 1fr;
  min-height: 460px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(14, 110, 184, 0.12);
  border-radius: 8px;
  box-shadow: 0 20px 46px rgba(16, 25, 39, 0.08);
}

.feature-product.large {
  grid-column: span 2;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  grid-template-rows: 1fr;
}

.feature-product img {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: contain;
  padding: 22px;
  background: linear-gradient(135deg, #f7fbff, #e9f4fc);
}

.feature-product.large img {
  min-height: 460px;
}

.feature-product div {
  padding: 26px;
}

.tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 10px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  border: 1px solid rgba(14, 110, 184, 0.22);
  border-radius: 8px;
}

.feature-product h3,
.solution-grid h3,
.advantage-list h3 {
  margin-bottom: 12px;
  font-size: 23px;
  line-height: 1.25;
}

.feature-product p,
.solution-grid p,
.advantage-list p {
  color: var(--muted);
}

.feature-product ul {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.feature-product li {
  position: relative;
  padding-left: 18px;
  color: #34465a;
}

.feature-product li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--brand);
  border-radius: 50%;
}

.product-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.product-strip article {
  display: grid;
  grid-template-rows: 150px auto 1fr;
  min-height: 282px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.product-strip img {
  width: 100%;
  height: 150px;
  object-fit: contain;
}

.product-strip h3 {
  margin: 16px 0 6px;
  font-size: 19px;
}

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

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

.solution-grid article {
  display: grid;
  grid-template-rows: 230px 1fr;
  min-height: 448px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(14, 110, 184, 0.12);
  border-radius: 8px;
}

.solution-grid img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.solution-grid div {
  padding: 24px;
}

.solution-grid span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
}

.text-link {
  display: inline-flex;
  margin-top: 10px;
  color: var(--brand);
  font-weight: 900;
}

.catalog-page {
  background: var(--wash);
}

.catalog-hero {
  min-height: 64vh;
  grid-template-columns: 1fr;
}

.catalog-section {
  display: grid;
  gap: 24px;
}

.catalog-layout {
  display: grid;
  grid-template-columns: minmax(220px, 0.28fr) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
  align-items: start;
}

.catalog-tabs {
  position: sticky;
  top: calc(var(--nav-height) + 18px);
  display: grid;
  gap: 10px;
  padding: 14px;
  background: #fff;
  border: 1px solid rgba(14, 110, 184, 0.13);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(6, 75, 130, 0.08);
}

.catalog-tabs button {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 14px;
  color: var(--ink);
  text-align: left;
  font-weight: 900;
  background: var(--wash);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
}

.catalog-tabs button:hover,
.catalog-tabs button:focus-visible,
.catalog-tabs button.is-active {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
}

.catalog-panels {
  min-width: 0;
}

.catalog-panel {
  padding: clamp(22px, 3vw, 34px);
  background: #fff;
  border: 1px solid rgba(14, 110, 184, 0.13);
  border-radius: 8px;
  box-shadow: 0 16px 38px rgba(6, 75, 130, 0.08);
}

.catalog-panel[hidden] {
  display: none;
}

.catalog-panel h3 {
  margin-bottom: 18px;
  color: var(--brand-dark);
  font-size: clamp(26px, 3vw, 38px);
}

.catalog-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.solution-catalog-layout .catalog-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.catalog-card {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 190px;
  padding: 20px;
  color: var(--ink);
  background: linear-gradient(180deg, #f8fbff, #fff);
  border: 1px solid rgba(14, 110, 184, 0.13);
  border-radius: 8px;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.catalog-card:hover,
.catalog-card:focus-visible {
  border-color: rgba(14, 110, 184, 0.34);
  box-shadow: 0 16px 34px rgba(6, 75, 130, 0.12);
  transform: translateY(-2px);
}

.catalog-card span {
  width: fit-content;
  padding: 4px 9px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  background: #fff;
  border: 1px solid rgba(14, 110, 184, 0.16);
  border-radius: 999px;
}

.catalog-card strong {
  font-size: 20px;
  line-height: 1.28;
}

.catalog-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.solution-list-page {
  background: var(--wash);
}

.solution-page-hero {
  min-height: 64vh;
  grid-template-columns: 1fr;
}

.solution-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.solution-list-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(20px, 4vw, 44px);
  align-items: center;
  padding: 24px;
  overflow: hidden;
  background: linear-gradient(105deg, #fff, rgba(14, 110, 184, 0.06));
  border: 1px solid rgba(14, 110, 184, 0.12);
  border-radius: 8px;
  box-shadow: 0 16px 42px rgba(6, 24, 39, 0.08);
  cursor: pointer;
  scroll-margin-top: calc(var(--nav-height) + 24px);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.solution-list-item:hover,
.solution-list-item:focus-within,
.solution-list-item:focus-visible,
.solution-list-item.is-open {
  border-color: rgba(14, 110, 184, 0.28);
  box-shadow: 0 20px 48px rgba(6, 75, 130, 0.13);
}

.solution-list-item:focus,
.solution-list-item:focus-visible {
  outline: none;
}

.solution-list-item:target {
  border-color: rgba(14, 110, 184, 0.16);
  box-shadow: 0 26px 58px rgba(14, 110, 184, 0.2);
  transform: translateY(-6px);
}

.solution-list-item:first-child {
  padding-top: 24px;
}

.solution-list-item:last-child {
  padding-bottom: 24px;
}

.solution-list-item + .solution-list-item {
  margin-top: 18px;
}

.solution-list-item::before {
  position: absolute;
  top: 24px;
  bottom: 24px;
  left: 0;
  width: 4px;
  content: "";
  background: var(--brand);
  border-radius: 0 999px 999px 0;
}

.solution-list-item > * {
  position: relative;
}

.solution-list-item:nth-child(even) img {
  order: 2;
}

.solution-list-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(6, 24, 39, 0.12);
}

.solution-list-item > div {
  display: grid;
  align-content: center;
  padding: 8px 4px;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.solution-list-item span {
  display: none;
  width: fit-content;
  padding: 4px 8px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  background: var(--wash);
  border-radius: 999px;
}

.solution-list-item h3 {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.18;
}

.solution-list-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.solution-detail-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin-top: 18px;
  padding: 9px 16px;
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  background: var(--brand);
  border: 1px solid rgba(14, 110, 184, 0.2);
  border-radius: 8px;
  box-shadow: 0 12px 24px rgba(14, 110, 184, 0.2);
  cursor: pointer;
}

.solution-detail-toggle:hover,
.solution-detail-toggle:focus-visible {
  background: var(--brand-dark);
}

.solution-detail-page {
  background: var(--wash);
}

.solution-detail-hero {
  min-height: 64vh;
  grid-template-columns: 1fr;
}

.solution-detail-content {
  display: grid;
  gap: 24px;
}

.solution-detail-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(22px, 4vw, 48px);
  align-items: stretch;
}

.solution-detail-visual {
  display: grid;
  place-items: center;
  min-height: 360px;
  padding: clamp(18px, 3vw, 30px);
  background: linear-gradient(135deg, #fff, #eaf6ff);
  border: 1px solid rgba(14, 110, 184, 0.14);
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(6, 75, 130, 0.1);
}

.solution-detail-visual img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
}

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

.solution-detail-card {
  padding: clamp(22px, 3vw, 34px);
  background: #fff;
  border: 1px solid rgba(14, 110, 184, 0.13);
  border-radius: 8px;
  box-shadow: 0 16px 38px rgba(6, 75, 130, 0.08);
}

.solution-detail-card h2 {
  margin-bottom: 14px;
  font-size: clamp(24px, 3vw, 36px);
}

.solution-detail-card p {
  color: var(--muted);
}

.solution-detail-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.solution-detail-list li {
  position: relative;
  padding-left: 18px;
  color: #34465a;
}

.solution-detail-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--brand);
  border-radius: 50%;
}

.solution-product-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.solution-product-links a {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 12px 14px;
  color: var(--brand-dark);
  font-weight: 900;
  background: var(--wash);
  border: 1px solid rgba(14, 110, 184, 0.14);
  border-radius: 8px;
}

.solution-product-links a:hover,
.solution-product-links a:focus-visible {
  color: #fff;
  background: var(--brand);
}

.solution-detail-more {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  padding: 16px 18px;
  background: rgba(14, 110, 184, 0.07);
  border: 1px solid rgba(14, 110, 184, 0.13);
  border-radius: 8px;
}

.solution-detail-more[hidden] {
  display: none;
}

.solution-detail-more p {
  color: #34465a;
  font-size: 14px;
}

.solution-points {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.solution-points b {
  padding: 5px 8px;
  color: var(--brand-dark);
  font-size: 12px;
  background: var(--wash);
  border: 1px solid rgba(14, 110, 184, 0.12);
  border-radius: 999px;
}

.split {
  display: grid;
  grid-template-columns: minmax(300px, 0.76fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 78px);
}

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

.awards-section {
  display: block;
}

.awards-section .section-head {
  max-width: 960px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.awards-section .advantage-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.awards-section .advantage-list article {
  min-height: 160px;
  padding: 22px;
  color: var(--ink);
}

.awards-section .advantage-list h3 {
  color: var(--ink);
  font-size: 20px;
}

.awards-section .advantage-list p {
  font-size: 14px;
}

.advantage-list article {
  min-height: 210px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.strategy-section .advantage-list article:hover,
.awards-section .advantage-list article:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 110, 184, 0.28);
  box-shadow: 0 18px 38px rgba(6, 75, 130, 0.16);
}

.advantage-list span {
  color: var(--brand);
  font-size: 14px;
  font-weight: 900;
}

.about-section {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(14, 110, 184, 0.94), rgba(6, 75, 130, 0.82)),
    url("assets/oldsite/images_libg2.jpg") center / cover;
}

.about-section .section-head h2,
.about-section .section-head p:last-child {
  color: rgba(255, 255, 255, 0.88);
}

.strategy-section .section-head {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.strategy-section .advantage-list article {
  background: linear-gradient(135deg, rgba(14, 110, 184, 0.09), rgba(240, 248, 255, 0.94));
  border-color: rgba(14, 110, 184, 0.16);
}

.about-intro-hero {
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.78fr);
  align-items: center;
  min-height: 100vh;
  padding-bottom: clamp(82px, 8vw, 126px);
}

.about-intro-hero .hero-copy {
  max-width: 780px;
}

.about-intro-hero .hero-lead {
  max-width: 760px;
  margin-bottom: 0;
}

.about-values {
  position: relative;
  z-index: 1;
  grid-template-columns: 1fr;
  margin-top: 0;
}

.mission-grid.about-values {
  grid-template-columns: 1fr;
}

.about-values article {
  min-height: 138px;
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(255, 255, 255, 0.62);
  box-shadow: 0 18px 42px rgba(6, 24, 39, 0.16);
  backdrop-filter: blur(10px);
}

.about-values span {
  color: var(--brand);
}

.about-values p {
  color: var(--muted);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 76px);
  align-items: start;
}

.about-grid h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.16;
}

.about-grid p {
  color: rgba(255, 255, 255, 0.74);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 38px;
}

.mission-grid article {
  min-height: 150px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
}

.mission-grid span {
  display: block;
  margin-bottom: 12px;
  color: #a7ecff;
  font-weight: 900;
}

.mission-grid p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.76);
}

.mission-grid.about-values article {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(255, 255, 255, 0.42);
  box-shadow: 0 18px 42px rgba(6, 24, 39, 0.16);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.mission-grid.about-values article:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.72);
  box-shadow: 0 24px 52px rgba(6, 24, 39, 0.22);
}

.mission-grid.about-values span {
  color: var(--brand);
}

.mission-grid.about-values p {
  color: var(--muted);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.18);
}

.timeline li {
  min-height: 160px;
  padding: 24px;
  background: rgba(14, 110, 184, 0.42);
}

.timeline span {
  display: block;
  margin-bottom: 16px;
  color: #a7ecff;
  font-size: 24px;
  font-weight: 900;
}

.timeline p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.76);
}

.history-shell {
  position: relative;
  margin-top: 34px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.history-controls {
  display: none;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 16px;
}

.history-btn {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(14, 110, 184, 0.22);
  border-radius: 8px;
  background: #fff;
  color: var(--brand);
  font-size: 28px;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(6, 75, 130, 0.12);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.history-btn:hover,
.history-btn:focus-visible {
  color: #fff;
  border-color: var(--brand);
  background: var(--brand);
  transform: translateY(-1px);
}

.timeline.history-track {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px clamp(56px, 8vw, 110px);
  margin-top: 0;
  overflow: visible;
  scroll-behavior: auto;
  scroll-snap-type: none;
  scrollbar-width: none;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.timeline.history-track::before {
  position: absolute;
  top: 8px;
  bottom: 12px;
  left: 50%;
  width: 2px;
  content: "";
  background: linear-gradient(180deg, rgba(167, 236, 255, 0.08), rgba(167, 236, 255, 0.86), rgba(167, 236, 255, 0.08));
  transform: translateX(-50%);
}

.timeline.history-track::-webkit-scrollbar {
  display: none;
}

.timeline.history-track::-webkit-scrollbar-track {
  background: transparent;
}

.timeline.history-track::-webkit-scrollbar-thumb {
  background: transparent;
}

.timeline.history-track li {
  position: relative;
  min-height: 118px;
  padding: 0 0 36px;
  scroll-snap-align: none;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.timeline.history-track li:nth-child(odd) {
  grid-column: 1;
  padding-right: clamp(28px, 4vw, 54px);
  text-align: right;
}

.timeline.history-track li:nth-child(even) {
  grid-column: 2;
  padding-left: clamp(28px, 4vw, 54px);
}

.timeline.history-track li::before {
  content: "";
  position: absolute;
  top: 15px;
  width: clamp(20px, 3vw, 42px);
  height: 1px;
  background: rgba(167, 236, 255, 0.72);
}

.timeline.history-track li:nth-child(odd)::before {
  right: 0;
}

.timeline.history-track li:nth-child(even)::before {
  left: 0;
}

.timeline.history-track li::after {
  position: absolute;
  top: 8px;
  width: 14px;
  height: 14px;
  content: "";
  background: #fff;
  border: 4px solid #a7ecff;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(167, 236, 255, 0.16);
}

.timeline.history-track li:nth-child(odd)::after {
  right: -7px;
  transform: translateX(50%);
}

.timeline.history-track li:nth-child(even)::after {
  left: -7px;
  transform: translateX(-50%);
}

.timeline.history-track span,
.timeline.history-track p {
  position: relative;
  z-index: 1;
}

.timeline.history-track span {
  margin-bottom: 10px;
  color: #a7ecff;
  font-size: clamp(20px, 2.4vw, 28px);
}

.timeline.history-track p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
}

.milestones-section {
  background: #fff;
}

.milestones-section .timeline.history-track::before {
  background: linear-gradient(180deg, rgba(14, 110, 184, 0.08), rgba(14, 110, 184, 0.76), rgba(14, 110, 184, 0.08));
}

.milestones-section .timeline.history-track li::before {
  background: rgba(14, 110, 184, 0.48);
}

.milestones-section .timeline.history-track li::after {
  background: #fff;
  border-color: var(--brand);
  box-shadow: 0 0 0 6px rgba(14, 110, 184, 0.12);
}

.milestones-section .timeline.history-track span {
  color: var(--brand-dark);
}

.milestones-section .timeline.history-track p {
  color: var(--muted);
}

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

.culture-grid figure {
  position: relative;
  min-height: 200px;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--dark);
}

.culture-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  opacity: 0.88;
  transition: transform 180ms ease, opacity 180ms ease;
}

.culture-grid figure:hover img {
  opacity: 1;
  transform: scale(1.04);
}

.culture-grid figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 18px;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(0deg, rgba(6, 24, 39, 0.86), transparent);
}

.culture-shell {
  margin-top: 10px;
}

.culture-grid.culture-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 300px);
  grid-template-columns: none;
  grid-template-rows: repeat(2, 200px);
  gap: 16px;
  overflow-x: hidden;
  overflow-y: hidden;
  scroll-behavior: auto;
  scroll-snap-type: none;
  scrollbar-width: none;
}

.culture-grid.culture-track::-webkit-scrollbar {
  display: none;
}

.culture-grid.culture-track figure {
  scroll-snap-align: none;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: clamp(56px, 7vw, 88px) clamp(20px, 5vw, 70px);
  padding: clamp(30px, 5vw, 56px);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(14, 110, 184, 0.98), rgba(6, 75, 130, 0.94)),
    url("assets/oldsite/images_libg2.jpg") center / cover;
  border-radius: 8px;
}

.contact h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
}

.contact p {
  max-width: 860px;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.78);
}

.contact .eyebrow {
  color: #a7ecff;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 32px clamp(20px, 5vw, 70px);
  color: rgba(255, 255, 255, 0.74);
  background: var(--dark);
}

.site-footer strong {
  display: block;
  margin-bottom: 4px;
  color: #fff;
}

.site-footer p {
  margin-bottom: 0;
}

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

.footer-record {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 14px;
  justify-self: center;
  color: rgba(255, 255, 255, 0.74);
  text-align: center;
}

.footer-record a {
  color: inherit;
}

.footer-links a:hover,
.footer-links a:focus-visible,
.footer-record a:hover,
.footer-record a:focus-visible {
  color: #fff;
}

.product-detail-page {
  background: var(--wash);
}

.product-page-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 clamp(16px, 5vw, 70px);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.product-page-header .brand small {
  color: var(--muted);
}

.product-page-nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-weight: 800;
}

.product-page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: calc(var(--nav-height) + clamp(56px, 8vw, 106px)) clamp(20px, 5vw, 70px) clamp(56px, 8vw, 106px);
  color: #fff;
  background:
    radial-gradient(circle at 80% 28%, rgba(255, 255, 255, 0.22), transparent 32%),
    linear-gradient(105deg, rgba(14, 110, 184, 0.94), rgba(20, 139, 210, 0.78) 50%, rgba(255, 255, 255, 0.22)),
    url("assets/oldsite/images_libg2.jpg") center / cover;
}

.product-page-hero img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
  padding: 24px;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 8px;
}

.series-hero-carousel {
  position: relative;
  width: 100%;
  min-height: 430px;
  overflow: hidden;
  border-radius: 8px;
  background:
    radial-gradient(circle at 78% 24%, rgba(31, 162, 255, 0.28), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(232, 246, 255, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 24px 60px rgba(0, 49, 91, 0.2);
}

.series-hero-track,
.series-hero-slide {
  position: absolute;
  inset: 0;
}

.series-hero-slide {
  display: grid;
  place-items: center;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 520ms ease, transform 520ms ease;
  pointer-events: none;
}

.series-hero-slide.is-active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.product-page-hero .series-hero-slide > img,
.series-hero-video,
.series-hero-video-card {
  width: 100%;
  height: 100%;
  max-height: none;
  border-radius: 8px;
}

.product-page-hero .series-hero-slide > img {
  object-fit: contain;
  padding: 28px;
  background: transparent;
}

.series-hero-video {
  display: block;
  object-fit: cover;
  background: #061827;
}

.series-hero-video-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  overflow: hidden;
  color: #fff;
  text-align: center;
  background: linear-gradient(135deg, #06345f, #0e6eb8);
}

.series-hero-video-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  padding: 34px;
  background: transparent;
  border-radius: 0;
  opacity: 0.36;
}

.series-hero-video-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 28%, rgba(255, 255, 255, 0.2), transparent 26%),
    linear-gradient(180deg, rgba(3, 24, 46, 0.22), rgba(3, 24, 46, 0.56));
}

.series-hero-video-card .series-play-mark,
.series-hero-video-card strong {
  position: relative;
  z-index: 1;
}

.series-hero-video-card strong {
  font-size: 22px;
  line-height: 1.25;
}

.series-hero-dots {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 3;
  display: inline-flex;
  gap: 8px;
}

.series-hero-dots button {
  width: 34px;
  height: 4px;
  padding: 0;
  background: rgba(14, 110, 184, 0.28);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
}

.series-hero-dots button.is-active {
  background: var(--brand);
}

.product-page-hero h1 {
  font-size: clamp(38px, 5.8vw, 72px);
}

.product-page-hero p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
}

body.has-open-modal {
  overflow: hidden;
}

.inquiry-modal[hidden] {
  display: none;
}

.inquiry-modal {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
}

.inquiry-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 20, 34, 0.72);
}

.inquiry-dialog {
  position: relative;
  width: min(720px, 100%);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  padding: 30px;
  background: #fff;
  border: 1px solid rgba(14, 110, 184, 0.18);
  border-radius: 8px;
  box-shadow: 0 28px 70px rgba(3, 20, 34, 0.3);
}

.inquiry-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.inquiry-dialog-head h2 {
  margin-bottom: 6px;
  font-size: 32px;
}

.inquiry-dialog-head p:last-child {
  margin: 0;
  color: var(--muted);
}

.inquiry-close {
  display: grid;
  flex: 0 0 40px;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  color: var(--ink);
  font: inherit;
  font-size: 30px;
  line-height: 1;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
}

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

.inquiry-form label {
  display: grid;
  gap: 8px;
  min-width: 0;
  color: var(--ink);
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--ink);
  font: inherit;
  background: #fff;
  border: 1px solid #cbd9e4;
  border-radius: 6px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.inquiry-form textarea {
  min-height: 130px;
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(14, 110, 184, 0.12);
}

.inquiry-form-wide {
  grid-column: 1 / -1;
}

.inquiry-form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.inquiry-form-actions .btn {
  flex: 0 0 auto;
}

.inquiry-form-actions .btn:disabled {
  cursor: wait;
  opacity: 0.62;
}

.inquiry-form-status {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.inquiry-form-status.is-success {
  color: #167545;
}

.inquiry-form-status.is-error {
  color: #b42318;
}

.inquiry-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.product-content {
  display: grid;
  gap: 24px;
  padding: clamp(42px, 6vw, 78px) clamp(20px, 5vw, 70px);
}

.product-section-card {
  padding: clamp(22px, 4vw, 36px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.product-section-card h2 {
  margin-bottom: 16px;
  font-size: clamp(26px, 3.2vw, 38px);
}

.product-video {
  display: grid;
  place-items: center;
  min-height: 320px;
  color: #fff;
  text-align: center;
  background:
    linear-gradient(135deg, rgba(14, 110, 184, 0.86), rgba(6, 75, 130, 0.72)),
    url("assets/oldsite/images_libg2.jpg") center / cover;
  border-radius: 8px;
}

.product-video strong {
  display: block;
  margin-bottom: 8px;
  font-size: 28px;
}

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

.product-gallery img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  padding: 16px;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 8px;
}

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

.product-video-grid article {
  min-width: 0;
}

.product-video-grid h3 {
  min-height: 52px;
  margin-bottom: 12px;
  color: var(--brand-dark);
  font-size: 18px;
  line-height: 1.45;
}

.product-video-grid video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #07121c;
  border-radius: 8px;
}

.product-highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.product-highlight-grid article {
  min-height: 180px;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(14, 110, 184, 0.1), rgba(255, 255, 255, 0) 60%),
    var(--wash);
  border: 1px solid rgba(14, 110, 184, 0.14);
  border-radius: 8px;
}

.product-highlight-grid.has-media {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-highlight-grid.has-media article {
  display: grid;
  align-content: start;
  gap: 14px;
}

.product-highlight-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #fff;
  border-radius: 6px;
}

.product-highlight-grid.has-media h3 {
  margin-bottom: 0;
}

.product-highlight-grid h3 {
  margin-bottom: 10px;
  color: var(--brand-dark);
  font-size: 20px;
  line-height: 1.3;
}

.product-highlight-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.product-detail-copy > p {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.product-detail-copy ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 22px;
}

.product-detail-copy li {
  color: var(--muted);
  line-height: 1.75;
}

body[data-product="power-forecast-central"] .product-scenarios-section .product-highlight-grid,
body[data-product="power-forecast-station"] .product-advantages-section .product-highlight-grid,
body[data-product="inspection-b5"] .product-scenarios-section .product-highlight-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

body[data-product="power-forecast-central"] .product-gallery-section .product-gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body[data-product="ai-training"] .product-advantages-section .product-highlight-grid,
body[data-product="ai-inference"] .product-advantages-section .product-highlight-grid,
body[data-product="ai-training"] .product-gallery-section .product-gallery,
body[data-product="ai-inference"] .product-gallery-section .product-gallery {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body[data-product="video-allinone"] .product-content > .product-section-card:not(.product-highlight-section) {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

body[data-product="video-allinone"] .product-content > .product-section-card:not(.product-highlight-section):hover {
  transform: translateY(-4px);
  border-color: rgba(14, 110, 184, 0.24);
  box-shadow: 0 18px 38px rgba(6, 75, 130, 0.12);
}

body[data-product="video-allinone"] .product-highlight-grid article {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

body[data-product="video-allinone"] .product-highlight-grid article:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 110, 184, 0.28);
  box-shadow: 0 18px 38px rgba(6, 75, 130, 0.16);
  background:
    linear-gradient(135deg, rgba(14, 110, 184, 0.14), rgba(255, 255, 255, 0) 62%),
    #fff;
}

.product-deployment-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.product-deployment-copy p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.product-deployment-visual {
  margin: 0;
  padding: 18px;
  background:
    radial-gradient(circle at 18% 22%, rgba(14, 110, 184, 0.12), transparent 34%),
    linear-gradient(135deg, #f7fbff, #eaf5fd);
  border: 1px solid rgba(14, 110, 184, 0.12);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(6, 75, 130, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.product-deployment-visual:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 110, 184, 0.28);
  box-shadow: 0 18px 38px rgba(6, 75, 130, 0.16);
}

.product-deployment-visual img {
  display: block;
  width: 100%;
  max-height: 460px;
  object-fit: contain;
  background: #fff;
  border-radius: 6px;
}

.product-deployment-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
  padding: 22px;
  background:
    radial-gradient(circle at 18% 22%, rgba(14, 110, 184, 0.12), transparent 34%),
    linear-gradient(135deg, #f7fbff, #eaf5fd);
  border: 1px solid rgba(14, 110, 184, 0.12);
  border-radius: 8px;
}

.deployment-node {
  position: relative;
  display: grid;
  gap: 12px;
  align-content: center;
  min-height: 128px;
  padding: 18px 16px;
  text-align: center;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(14, 110, 184, 0.16);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(6, 75, 130, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.deployment-node:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -21px;
  width: 20px;
  height: 2px;
  background: rgba(14, 110, 184, 0.46);
  transform: translateY(-50%);
}

.deployment-node:not(:last-child)::before {
  content: "";
  position: absolute;
  top: calc(50% - 5px);
  right: -23px;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid rgba(14, 110, 184, 0.62);
}

.deployment-node span {
  width: fit-content;
  margin-inline: auto;
  padding: 4px 10px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  background: rgba(14, 110, 184, 0.1);
  border-radius: 999px;
}

.deployment-node strong {
  color: var(--ink);
  font-size: 17px;
  line-height: 1.3;
}

.deployment-node.is-core {
  background:
    linear-gradient(135deg, rgba(14, 110, 184, 0.94), rgba(36, 169, 255, 0.78)),
    var(--brand);
  border-color: rgba(255, 255, 255, 0.42);
  box-shadow: 0 16px 34px rgba(6, 75, 130, 0.2);
}

.deployment-node.is-core span {
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
}

.deployment-node.is-core strong {
  color: #fff;
}

.deployment-node:hover {
  transform: translateY(-5px);
  border-color: rgba(14, 110, 184, 0.3);
  box-shadow: 0 18px 38px rgba(6, 75, 130, 0.16);
}

.algorithm-content {
  gap: 28px;
}

.algorithm-hero-points {
  display: grid;
  gap: 8px;
  margin: 18px 0 24px;
  padding: 0;
  list-style: none;
}

.algorithm-hero-points li {
  position: relative;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 700;
}

.algorithm-hero-points li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  background: #fff;
  border-radius: 999px;
  box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.16);
}

.section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-heading-row h2 {
  margin-bottom: 0;
}

.section-heading-row > span {
  flex: 0 0 auto;
  padding: 7px 12px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  background: rgba(14, 110, 184, 0.08);
  border: 1px solid rgba(14, 110, 184, 0.16);
  border-radius: 999px;
}

.algorithm-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.algorithm-card {
  display: grid;
  gap: 10px;
  min-height: 168px;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(14, 110, 184, 0.08), rgba(255, 255, 255, 0) 58%),
    var(--wash);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.algorithm-card:hover {
  transform: translateY(-6px);
  background:
    linear-gradient(135deg, rgba(14, 110, 184, 0.14), rgba(255, 255, 255, 0) 62%),
    #fff;
  border-color: rgba(14, 110, 184, 0.28);
  box-shadow: 0 18px 38px rgba(6, 75, 130, 0.14);
}

.algorithm-index {
  width: fit-content;
  padding: 4px 9px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  background: rgba(14, 110, 184, 0.1);
  border-radius: 999px;
}

.algorithm-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.32;
}

.algorithm-card p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 13px;
}

.algorithm-card strong {
  color: var(--brand-dark);
  font-size: 16px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 8px;
}

.spec-table th,
.spec-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.spec-table th {
  width: 28%;
  color: var(--brand-dark);
  background: var(--wash);
}

.product-back {
  display: inline-flex;
  width: fit-content;
  margin-top: 6px;
  color: var(--brand);
  font-weight: 900;
}

.series-content {
  gap: 28px;
}

.cpe63-series-stack {
  display: grid;
  gap: 24px;
}

.cpe63-lineup-section h2 {
  margin-bottom: 18px;
}

.cpe63-lineup {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.cpe63-lineup.is-five-column {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.cpe63-lineup.is-two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cpe63-lineup.is-single-column {
  grid-template-columns: minmax(260px, 520px);
}

.cpe63-lineup-card {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 100%;
  padding: 12px;
  color: var(--ink);
  text-align: left;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.cpe63-lineup-card img {
  width: 100%;
  height: 138px;
  object-fit: contain;
  padding: 12px;
  background: #fff;
  border-radius: 8px;
}

.cpe63-lineup.is-five-column .cpe63-lineup-card {
  padding: 10px;
}

.cpe63-lineup.is-five-column .cpe63-lineup-card img {
  height: 112px;
  padding: 10px;
}

.cpe63-lineup.is-five-column .cpe63-lineup-card strong {
  font-size: 15px;
}

.cpe63-lineup.is-five-column .cpe63-lineup-card p {
  font-size: 12px;
}

.cpe63-lineup-card strong {
  font-size: 17px;
  line-height: 1.25;
}

.cpe63-lineup-card span {
  width: fit-content;
  padding: 3px 8px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  background: #fff;
  border-radius: 999px;
}

.cpe63-lineup-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.cpe63-lineup-card:hover,
.cpe63-lineup-card:focus-visible,
.cpe63-lineup-card.is-active {
  background: #fff;
  border-color: rgba(14, 110, 184, 0.34);
  box-shadow: 0 14px 30px rgba(6, 24, 39, 0.1);
  transform: translateY(-2px);
}

.series-video-section h2 {
  margin-bottom: 18px;
}

.series-video-frame,
.series-video-placeholder {
  width: 100%;
  height: clamp(240px, 56svh, 600px);
  border-radius: 8px;
}

.series-video-frame {
  display: block;
  object-fit: contain;
  background: #061827;
}

.series-video-placeholder {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
  background:
    radial-gradient(circle at 72% 28%, rgba(36, 169, 255, 0.34), transparent 34%),
    linear-gradient(135deg, #06345f 0%, #0e6eb8 52%, #f7fbff 170%);
}

.series-video-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 34px 10% 34px 48%;
  object-fit: contain;
  opacity: 0.7;
}

.series-video-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(3, 24, 46, 0.88), rgba(3, 24, 46, 0.42) 58%, rgba(3, 24, 46, 0.12));
}

.series-video-placeholder > div {
  position: relative;
  z-index: 1;
  width: min(560px, calc(100% - 48px));
  justify-self: start;
  margin-left: 44px;
  text-align: left;
}

.series-video-placeholder strong {
  display: block;
  max-width: 12em;
  margin-bottom: 12px;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.12;
}

.series-video-placeholder p {
  max-width: 34em;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.82);
}

.series-play-mark {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(10px);
}

.series-play-mark::before {
  content: "";
  width: 0;
  height: 0;
  margin-left: 5px;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  border-left: 20px solid #fff;
}

.cpe63-product-block {
  display: grid;
  gap: 22px;
}

.cpe63-product-head {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.cpe63-product-head > span {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: #fff;
  font-weight: 900;
  background: var(--brand);
  border-radius: 8px;
}

.cpe63-product-head h2 {
  margin-bottom: 10px;
  font-size: clamp(26px, 3vw, 38px);
}

.cpe63-product-head p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.cpe63-product-body {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
}

.cpe63-image-grid {
  display: grid;
  gap: 12px;
}

.cpe63-image-grid img {
  width: 100%;
  height: 190px;
  object-fit: contain;
  padding: 16px;
  background: linear-gradient(135deg, #f7fbff, #e9f4fc);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.cpe63-product-info h3 {
  margin: 0 0 10px;
  color: var(--brand-dark);
  font-size: 20px;
}

.cpe63-product-info h3 + p {
  color: var(--muted);
}

.cpe63-product-info .spec-table {
  margin-top: 12px;
}

.cpe63-series-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
}

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

.series-product-list button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 58px;
  padding: 10px 12px;
  color: var(--ink);
  text-align: left;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.series-product-list button span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  background: var(--brand);
  border-radius: 8px;
}

.series-product-list button:hover,
.series-product-list button:focus-visible,
.series-product-list button.is-active {
  color: var(--brand-dark);
  background: #fff;
  border-color: rgba(14, 110, 184, 0.32);
  box-shadow: 0 12px 26px rgba(6, 24, 39, 0.08);
}

.series-product-detail {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
}

.series-product-detail > img {
  width: 100%;
  height: 360px;
  object-fit: contain;
  padding: 22px;
  background: linear-gradient(135deg, #f7fbff, #e9f4fc);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.series-product-detail h2 {
  margin-bottom: 12px;
  font-size: clamp(26px, 3vw, 38px);
}

.series-product-detail h3 {
  margin: 20px 0 8px;
  color: var(--brand-dark);
  font-size: 18px;
}

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

  .main-nav {
    gap: 18px;
  }

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

  .header-cta {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-bottom: 150px;
  }

  .home-hero {
    padding-bottom: 0;
  }

  .hero-showcase {
    justify-self: stretch;
  }

  .product-orbit {
    min-height: 360px;
  }

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

  .feature-product.large {
    grid-column: span 2;
  }

  .product-strip,
  .solution-grid,
  .timeline,
  .partner-grid,
  .mission-grid,
  .culture-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .about-grid,
  .catalog-layout,
  .product-page-hero,
  .solution-detail-layout,
  .solution-list-item {
    grid-template-columns: 1fr;
  }

  .solution-list-item:nth-child(even) img {
    order: 0;
  }

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

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

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

  body[data-product="power-forecast-central"] .product-scenarios-section .product-highlight-grid,
  body[data-product="power-forecast-station"] .product-advantages-section .product-highlight-grid,
  body[data-product="inspection-b5"] .product-scenarios-section .product-highlight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .solution-detail-grid {
    grid-template-columns: 1fr;
  }

  .catalog-tabs {
    position: static;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-card-grid,
  .solution-catalog-layout .catalog-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .cpe63-series-panel,
  .series-product-detail,
  .cpe63-product-body {
    grid-template-columns: 1fr;
  }

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

  .cpe63-lineup {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cpe63-lineup.is-five-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .awards-section .advantage-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  :root {
    --nav-height: 66px;
  }

  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
    min-height: var(--nav-height);
    padding: 0 16px;
    background: rgba(255, 255, 255, 0.96);
  }

  .site-header::after {
    right: 16px;
    left: 16px;
  }

  .brand {
    min-width: auto;
  }

  .brand-logo {
    width: auto;
    height: 34px;
    max-width: 160px;
  }

  .brand small {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: block;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    height: calc(100dvh - var(--nav-height));
    min-height: 0;
    max-height: calc(100vh - var(--nav-height));
    max-height: calc(100dvh - var(--nav-height));
    padding: 16px 16px calc(16px + env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
    color: var(--ink);
    background: #fff;
    transform: translateX(100%);
    transition: transform 180ms ease;
  }

  body.nav-open .main-nav {
    transform: translateX(0);
  }

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

  .nav-parent,
  .nav-link {
    width: 100%;
    height: auto;
    min-height: 54px;
    justify-content: space-between;
    color: var(--ink);
    font-size: 17px;
  }

  .nav-dropdown {
    position: static;
    inset: auto;
    width: 100%;
    padding: 0 0 12px;
    background: transparent;
    border: 0;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-dropdown a {
    padding: 12px 14px;
    background: var(--wash);
    border-radius: 8px;
  }

  .nav-dropdown a + a {
    margin-top: 8px;
  }

  .solution-mega {
    position: static;
    inset: auto;
    grid-template-columns: 1fr;
    width: 100%;
    gap: 12px;
  }

  .solution-menu-group {
    grid-template-columns: 1fr;
    padding: 12px;
    background: var(--wash);
  }

  .solution-menu-group a + a {
    margin-top: 0;
  }

  .nav-item.mega .product-mega {
    position: static;
    inset: auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    width: 100%;
    padding: 0 0 12px;
    transform: none;
  }

  .mega-group {
    padding: 12px;
    background: var(--wash);
  }

  .mega-group h3 {
    margin-bottom: 10px;
    font-size: 16px;
  }

  .nav-dropdown .mega-card {
    min-height: 62px;
    background: #fff;
  }

  .mobile-inquiry-link {
    display: flex;
    margin-top: 12px;
    padding: 0 16px;
    color: #fff;
    background: var(--brand);
    border-radius: 8px;
  }

  .mega-card img {
    width: 52px;
    height: 46px;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--nav-height) + 44px) 16px 32px;
  }

  .home-hero {
    min-height: 100svh;
    padding-bottom: 92px;
  }

  h1 {
    font-size: 40px;
  }

  .hero-actions,
  .contact {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .home-hero .hero-actions {
    position: static;
    align-items: center;
    flex-direction: row;
    justify-content: center;
    margin-top: 28px;
    transform: none;
  }

  .home-hero .btn {
    width: auto;
  }

  .home-hero .hero-slide {
    background-position: center;
    background-size: cover;
    animation: none;
  }

  .home-hero .hero-lead {
    font-size: 15px;
  }

  .hero-carousel-controls {
    right: 50%;
    bottom: 16px;
    transform: translateX(50%);
  }

  .product-orbit {
    min-height: 300px;
  }

  .orbit-dot {
    width: 46px;
    height: 46px;
  }

  .hero-series {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    grid-template-columns: 1fr;
    margin-top: 20px;
  }

  .hero-series a {
    min-height: 64px;
    padding: 14px;
  }

  .metric-band {
    grid-template-columns: 1fr;
    margin: 0 16px;
    transform: none;
  }

  .section {
    padding: 64px 16px;
  }

  .featured-products,
  .feature-product.large,
  .product-strip,
  .solution-grid,
  .advantage-list,
  .timeline,
  .partner-grid,
  .mission-grid,
  .culture-grid {
    grid-template-columns: 1fr;
  }

  .feature-product,
  .feature-product.large {
    display: grid;
    min-height: auto;
  }

  .feature-product.large {
    grid-column: auto;
  }

  .feature-product img,
  .feature-product.large img {
    height: 230px;
    min-height: 230px;
  }

  .awards-section .advantage-list {
    grid-template-columns: 1fr;
  }

  .solution-grid article {
    min-height: auto;
    grid-template-rows: 200px 1fr;
  }

  .solution-grid img {
    height: 200px;
  }

  .solution-list-item {
    padding: 18px;
  }

  .solution-list-item:first-child {
    padding-top: 18px;
  }

  .solution-list-item:last-child {
    padding-bottom: 18px;
  }

  .solution-list-item::before {
    top: 18px;
    bottom: 18px;
  }

  .solution-list {
    grid-template-columns: 1fr;
  }

  .solution-list-item > div {
    padding: 16px;
  }

  .solution-list-item img {
    height: 200px;
  }

  .partner-grid img {
    height: 96px;
  }

  .partner-grid.partner-marquee {
    grid-auto-columns: minmax(145px, 70vw);
    grid-template-rows: repeat(3, 96px);
  }

  .culture-grid figure,
  .culture-grid img {
    min-height: 160px;
    height: 160px;
  }

  .timeline.history-track {
    grid-template-columns: 1fr;
    gap: 0;
    padding-left: 24px;
  }

  .timeline.history-track::before {
    left: 8px;
    transform: none;
  }

  .timeline.history-track li,
  .timeline.history-track li:nth-child(odd),
  .timeline.history-track li:nth-child(even) {
    grid-column: 1;
    padding-right: 0;
    padding-left: 28px;
    text-align: left;
  }

  .timeline.history-track li::before,
  .timeline.history-track li:nth-child(odd)::before,
  .timeline.history-track li:nth-child(even)::before {
    right: auto;
    left: -16px;
    width: 24px;
  }

  .timeline.history-track li::after,
  .timeline.history-track li:nth-child(odd)::after,
  .timeline.history-track li:nth-child(even)::after {
    right: auto;
    left: -23px;
    transform: none;
  }

  .culture-grid.culture-track {
    grid-auto-columns: minmax(210px, 72vw);
    grid-template-rows: repeat(2, 160px);
  }

  .contact {
    margin: 48px 16px;
  }

  .product-page-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 12px 16px;
  }

  .product-page-nav {
    flex-wrap: wrap;
    gap: 12px;
    font-size: 14px;
  }

  .product-page-hero {
    grid-template-columns: 1fr;
    padding: calc(var(--nav-height) + 44px) 16px 44px;
  }

  .inquiry-modal {
    align-items: end;
    padding: 0;
  }

  .inquiry-dialog {
    width: 100%;
    max-height: 92vh;
    padding: 22px 16px;
    border-radius: 8px 8px 0 0;
  }

  .inquiry-dialog-head h2 {
    font-size: 27px;
  }

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

  .inquiry-form-wide {
    grid-column: auto;
  }

  .inquiry-form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .inquiry-form-actions .btn {
    width: 100%;
  }

  .solution-detail-visual {
    min-height: 240px;
  }

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

  .catalog-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 10px;
  }

  .catalog-tabs button {
    flex: 0 0 auto;
    min-height: 42px;
    white-space: nowrap;
  }

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

  .product-highlight-grid,
  .product-highlight-grid.has-media {
    grid-template-columns: 1fr;
  }

  body[data-product="power-forecast-central"] .product-scenarios-section .product-highlight-grid,
  body[data-product="power-forecast-station"] .product-advantages-section .product-highlight-grid,
  body[data-product="inspection-b5"] .product-scenarios-section .product-highlight-grid,
  body[data-product="power-forecast-central"] .product-gallery-section .product-gallery,
  body[data-product="ai-training"] .product-advantages-section .product-highlight-grid,
  body[data-product="ai-inference"] .product-advantages-section .product-highlight-grid,
  body[data-product="ai-training"] .product-gallery-section .product-gallery,
  body[data-product="ai-inference"] .product-gallery-section .product-gallery {
    grid-template-columns: 1fr;
  }

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

  .product-deployment-flow {
    gap: 18px;
    padding: 16px;
  }

  .product-deployment-visual {
    padding: 12px;
  }

  .product-deployment-visual img {
    max-height: 320px;
  }

  .deployment-node {
    min-height: 104px;
  }

  .deployment-node:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -19px;
    left: 50%;
    width: 2px;
    height: 18px;
    transform: translateX(-50%);
  }

  .deployment-node:not(:last-child)::before {
    top: auto;
    right: auto;
    bottom: -20px;
    left: calc(50% - 5px);
    border-top: 8px solid rgba(14, 110, 184, 0.62);
    border-right: 5px solid transparent;
    border-bottom: 0;
    border-left: 5px solid transparent;
  }

  .section-heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .product-page-hero img {
    max-height: 300px;
  }

  .series-hero-carousel {
    min-height: 300px;
  }

  .product-page-hero .series-hero-slide > img,
  .series-hero-video-card img {
    padding: 20px;
  }

  .series-hero-video-card strong {
    font-size: 18px;
  }

  .product-content {
    padding: 42px 16px;
  }

  .product-video {
    min-height: 220px;
  }

  .series-video-frame,
  .series-video-placeholder {
    height: auto;
    min-height: 0;
    max-height: calc(100svh - 170px);
    aspect-ratio: 16 / 9;
  }

  .series-video-placeholder img {
    padding: 120px 28px 22px;
    opacity: 0.42;
  }

  .series-video-placeholder > div {
    width: calc(100% - 36px);
    justify-self: center;
    margin-left: 0;
    text-align: center;
  }

  .series-video-placeholder strong {
    margin-inline: auto;
  }

  .series-play-mark {
    width: 60px;
    height: 60px;
  }

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

  .product-video-grid h3 {
    min-height: 0;
  }

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

  .cpe63-lineup {
    grid-template-columns: 1fr;
  }

  .cpe63-lineup.is-five-column {
    grid-template-columns: 1fr;
  }

  .cpe63-lineup.is-two-column {
    grid-template-columns: 1fr;
  }

  .cpe63-lineup.is-single-column {
    grid-template-columns: 1fr;
  }

  .series-product-detail > img {
    height: 260px;
  }

  .cpe63-product-head {
    grid-template-columns: 1fr;
  }

  .cpe63-product-head > span {
    width: 44px;
    height: 44px;
  }

  .cpe63-image-grid img {
    height: 160px;
  }

  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }

  .site-footer {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .footer-record {
    justify-self: center;
  }
}

@media (max-width: 430px) {
  .product-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .product-section-card {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  h1 {
    font-size: 34px;
  }

  .brand strong {
    font-size: 16px;
  }

  .hero-lead,
  .section-head p:last-child,
  .about-grid p {
    font-size: 15px;
  }

  .product-orbit {
    min-height: 250px;
  }

  .hero-caption strong {
    font-size: 24px;
  }
}
