:root {
  --brand: #2f73ce;
  --brand-dark: #164c88;
  --brand-light: #e9f2ff;
  --cyan: #1a9cb4;
  --ink: #202832;
  --muted: #667581;
  --line: #e5eaee;
  --surface: #f5f7f9;
  --footer: #202b35;
  --content: 1200px;
  --shadow: 0 16px 42px rgba(25, 55, 86, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font: 16px/1.75 "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.container {
  width: min(var(--content), calc(100% - 48px));
  margin-inline: auto;
}

.eyebrow {
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.site-header {
  position: relative;
  z-index: 30;
  height: 80px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(23, 50, 75, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.brand-mark {
  display: block;
  width: 64px;
  height: 44px;
  overflow: hidden;
  border-radius: 8px;
  background: #ede4f3 url("/1.png") center / cover no-repeat;
  box-shadow: 0 5px 14px rgba(35, 66, 92, 0.12);
}

.brand-mark span {
  display: none;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  color: var(--brand-dark);
  font-size: 19px;
  letter-spacing: 0.04em;
}

.brand-copy small {
  margin-top: 4px;
  color: #77838d;
  font-size: 10px;
  letter-spacing: 0.12em;
}

.main-nav {
  display: flex;
  align-items: center;
  align-self: stretch;
  gap: 32px;
}

.main-nav a {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
  font-size: 16px;
  white-space: nowrap;
}

.main-nav a::after {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--brand);
  content: "";
  transition: left 0.22s ease, width 0.22s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--brand);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  left: 0;
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 9px;
  border: 0;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 6px 0;
  background: var(--ink);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.hero {
  position: relative;
  height: min(620px, calc(100vh - 80px));
  min-height: 500px;
  overflow: hidden;
  color: #fff;
  background: #0f3e70;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

.hero-slide::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 26, 48, 0.9) 0%, rgba(9, 55, 93, 0.72) 48%, rgba(8, 45, 72, 0.28) 100%),
    radial-gradient(circle at 75% 30%, rgba(49, 203, 224, 0.35), transparent 32%);
  content: "";
}

.hero-slide:nth-child(2)::before {
  background:
    linear-gradient(90deg, rgba(6, 33, 57, 0.92), rgba(16, 82, 110, 0.54)),
    radial-gradient(circle at 70% 40%, rgba(52, 137, 216, 0.65), transparent 35%);
}

.hero-slide:nth-child(3)::before {
  background:
    linear-gradient(90deg, rgba(15, 32, 48, 0.94), rgba(33, 68, 90, 0.58)),
    radial-gradient(circle at 72% 42%, rgba(47, 115, 206, 0.55), transparent 36%);
}

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

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.13;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent, #000);
}

.hero-orbit {
  position: absolute;
  top: 50%;
  right: 8%;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(125, 226, 239, 0.38);
  border-radius: 50%;
  transform: translateY(-50%);
}

.hero-orbit::before,
.hero-orbit::after {
  position: absolute;
  border: 1px solid rgba(125, 226, 239, 0.25);
  border-radius: 50%;
  content: "";
}

.hero-orbit::before {
  inset: 48px;
}

.hero-orbit::after {
  inset: 102px;
  background: rgba(62, 179, 201, 0.12);
  box-shadow: 0 0 80px rgba(65, 215, 232, 0.24);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-bottom: 35px;
}

.hero-content h1 {
  margin: 16px 0 18px;
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.18;
}

.hero-content p {
  max-width: 650px;
  margin: 0;
  color: #d7e9f4;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  color: #fff;
  background: var(--brand);
  transition: color 0.25s, background 0.25s, transform 0.25s;
}

.button:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
}

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

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

.button-outline {
  border-color: rgba(255, 255, 255, 0.65);
  background: transparent;
}

.button-outline:hover {
  color: var(--brand-dark);
  background: #fff;
}

.hero-controls {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 4;
  padding: 50px 0 22px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.45));
}

.hero-controls-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-dots {
  display: flex;
  gap: 12px;
}

.hero-dot {
  position: relative;
  width: 54px;
  height: 30px;
  padding: 0;
  border: 0;
  color: rgba(255, 255, 255, 0.6);
  background: transparent;
}

.hero-dot::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.35);
  content: "";
}

.hero-dot span {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: #fff;
  transform: scaleX(0);
  transform-origin: left;
}

.hero-dot.active {
  color: #fff;
}

.hero-dot.active span {
  animation: hero-progress 5s linear;
}

.hero-arrows {
  display: flex;
}

.hero-prev,
.hero-next {
  width: 48px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  color: #fff;
  background: rgba(0, 0, 0, 0.12);
  font-size: 22px;
}

.hero-prev:hover,
.hero-next:hover {
  background: var(--brand);
}

@keyframes hero-progress {
  to {
    transform: scaleX(1);
  }
}

.home-section {
  padding: 82px 0;
}

.home-section.alt {
  background: var(--surface);
}

.section-title {
  margin-bottom: 40px;
  text-align: center;
}

.section-title h2 {
  margin: 8px 0;
  font-size: 34px;
  font-weight: 500;
}

.section-title p {
  margin: 0;
  color: var(--muted);
}

.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 390px;
}

.about-visual {
  position: relative;
  overflow: hidden;
  min-height: 360px;
  background:
    linear-gradient(135deg, rgba(24, 82, 132, 0.92), rgba(26, 156, 180, 0.72)),
    #183e61;
}

.about-visual::before {
  position: absolute;
  inset: 0;
  opacity: 0.25;
  background-image:
    linear-gradient(30deg, transparent 49%, rgba(255, 255, 255, 0.34) 50%, transparent 51%);
  background-size: 48px 48px;
  content: "";
}

.about-visual-copy {
  position: absolute;
  right: 42px;
  bottom: 40px;
  left: 42px;
  color: #fff;
}

.about-visual-copy strong {
  display: block;
  font: 400 54px/1 Georgia, serif;
}

.about-copy {
  padding: 52px 58px;
  border: 1px solid var(--line);
  border-left: 0;
}

.about-copy h2 {
  margin: 8px 0 18px;
  font-size: 34px;
  font-weight: 500;
}

.about-copy p {
  margin: 0 0 26px;
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brand);
  font-weight: 600;
}

.text-link span {
  transition: transform 0.25s ease;
}

.text-link:hover span {
  transform: translateX(6px);
}

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

.product-card {
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 30px rgba(30, 58, 83, 0.07);
  transition: box-shadow 0.35s ease, transform 0.35s ease;
}

.product-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}

.product-image {
  position: relative;
  display: grid;
  height: 230px;
  overflow: hidden;
  color: #667985;
  background: linear-gradient(145deg, #edf2f5, #d9e3e9);
  place-items: center;
}

.product-image::before,
.product-image::after {
  position: absolute;
  border: 1px solid rgba(47, 115, 206, 0.22);
  border-radius: 50%;
  content: "";
  transition: transform 0.55s ease;
}

.product-image::before {
  width: 150px;
  height: 150px;
}

.product-image::after {
  width: 90px;
  height: 90px;
  background: rgba(255, 255, 255, 0.45);
}

.product-card:hover .product-image::before {
  transform: scale(1.1);
}

.product-card:hover .product-image::after {
  transform: scale(1.08);
}

.product-icon {
  position: relative;
  z-index: 1;
  width: 74px;
  color: var(--brand-dark);
}

.product-icon svg {
  width: 100%;
}

.product-photo {
  padding: 22px;
  background:
    radial-gradient(circle at 74% 24%, rgba(47, 115, 206, 0.15), transparent 32%),
    linear-gradient(145deg, #f5f8fb, #e5edf3);
}

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

.product-photo img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.product-card:hover .product-photo img {
  transform: scale(1.035);
}

.product-card-copy {
  padding: 24px;
}

.product-card-copy small {
  color: var(--brand);
}

.product-card-copy h3 {
  margin: 4px 0 10px;
  font-size: 20px;
  font-weight: 500;
}

.product-card-copy p {
  min-height: 56px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.capability-card {
  min-height: 235px;
  padding: 34px 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  transition: color 0.3s, background 0.3s;
}

.capability-card:hover {
  color: #fff;
  background: var(--brand-dark);
}

.capability-number {
  display: block;
  margin-bottom: 28px;
  color: var(--brand);
  font: 400 30px/1 Georgia, serif;
}

.capability-card:hover .capability-number,
.capability-card:hover p {
  color: rgba(255, 255, 255, 0.72);
}

.capability-card h3 {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 500;
}

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

.manual-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 190px;
  padding: 42px 55px;
  color: #fff;
  background:
    linear-gradient(100deg, rgba(14, 64, 110, 0.95), rgba(28, 143, 167, 0.82)),
    var(--brand-dark);
}

.manual-callout h2 {
  margin: 0 0 8px;
  font-size: 30px;
  font-weight: 500;
}

.manual-callout p {
  margin: 0;
  color: #d9edf3;
}

.section-head {
  padding-top: 42px;
  background:
    linear-gradient(90deg, rgba(245, 247, 249, 0.96), rgba(235, 242, 247, 0.82)),
    var(--surface);
  border-top: 1px solid #edf0f3;
}

.section-head h1 {
  margin: 0 0 24px;
  font-size: 38px;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.section-tabs {
  display: flex;
  gap: 42px;
  overflow-x: auto;
}

.section-tabs a,
.section-tabs span {
  flex: none;
  padding-bottom: 15px;
  white-space: nowrap;
}

.section-tabs a.active,
.section-tabs span.active {
  border-bottom: 2px solid var(--brand);
  color: var(--brand);
}

.page-content {
  padding-bottom: 80px;
}

.breadcrumb {
  margin: 18px 0;
  padding-bottom: 16px;
  border-bottom: 1px dotted #d5dbe0;
  color: #88949e;
  font-size: 14px;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.content-list article {
  position: relative;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 30px;
  min-height: 190px;
  padding: 30px 150px 30px 0;
  border-bottom: 1px solid var(--line);
}

.list-visual {
  position: relative;
  display: grid;
  min-height: 130px;
  overflow: hidden;
  color: #71828f;
  background: linear-gradient(145deg, #edf2f5, #dce5ea);
  place-items: center;
}

.list-visual::after {
  position: absolute;
  width: 96px;
  height: 96px;
  border: 1px solid rgba(47, 115, 206, 0.24);
  border-radius: 50%;
  content: "";
  transition: transform 0.45s;
}

.content-list article:hover .list-visual::after {
  transform: scale(1.12);
}

.list-product-photo {
  padding: 16px;
}

.list-product-photo::after {
  display: none;
}

.list-product-photo img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 150px;
  object-fit: contain;
}

.list-copy h2,
.list-copy h3 {
  margin: 4px 0 10px;
  font-size: 21px;
  font-weight: 500;
}

.list-copy h3 .capability-title-link {
  color: inherit;
  text-decoration: none;
}

.list-copy h3 .capability-title-link:hover {
  color: var(--brand);
}

.list-copy p {
  margin: 0;
  color: var(--muted);
}

.list-link {
  display: inline-block;
  margin-top: 14px;
  padding: 3px 8px;
  color: var(--brand);
  font-size: 14px;
  transition: color 0.25s, background 0.25s, padding 0.25s;
}

.content-list article:hover .list-link {
  padding-right: 16px;
  color: #fff;
  background: var(--brand);
}

.list-meta {
  position: absolute;
  top: 30px;
  right: 0;
  display: grid;
  width: 105px;
  height: 110px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  color: #8a97a1;
  font-size: 14px;
  text-align: center;
  place-items: center;
}

.system-badge {
  position: relative;
  z-index: 1;
  color: var(--brand-dark);
  font: 500 22px/1.25 Georgia, "Microsoft YaHei", sans-serif;
  text-align: center;
}

.manual-status {
  display: inline-flex;
  padding: 3px 10px;
  color: #1d68a8;
  background: #eaf4fc;
  font-size: 13px;
}

.content-list article.manual-guide {
  display: block;
  min-height: 0;
  margin-top: 16px;
  padding: 28px;
  border: 1px solid #dce5ec;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(31, 66, 92, 0.06);
}

.manual-guide-head {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
  gap: 30px;
  align-items: center;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.manual-cover {
  display: grid;
  min-height: 220px;
  padding: 20px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 75% 20%, rgba(47, 115, 206, 0.14), transparent 35%),
    linear-gradient(145deg, #f5f8fb, #e5edf3);
  place-items: center;
}

.manual-cover img {
  width: 100%;
  height: 210px;
  object-fit: contain;
}

.manual-summary h3 {
  margin: 12px 0 10px;
  color: var(--ink);
  font-size: 28px;
  font-weight: 500;
}

.manual-summary p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.manual-step-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.manual-step-grid section {
  position: relative;
  min-height: 160px;
  padding: 20px 20px 20px 58px;
  border: 1px solid #e2e9ee;
  border-radius: 12px;
  background: #f9fbfc;
}

.manual-step-grid section > span {
  position: absolute;
  top: 20px;
  left: 18px;
  color: #7aa9cf;
  font: 500 14px/1 Georgia, serif;
}

.manual-step-grid h3 {
  margin: 0 0 9px;
  color: var(--brand-dark);
  font-size: 17px;
  font-weight: 500;
}

.manual-step-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

@media (max-width: 760px) {
  .content-list article.manual-guide {
    padding: 18px;
  }

  .manual-guide-head,
  .manual-step-grid {
    grid-template-columns: 1fr;
  }

  .manual-cover {
    min-height: 180px;
  }

  .manual-cover img {
    height: 170px;
  }
}

.support-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  padding-top: 20px;
}

.support-card,
.contact-card {
  min-height: 210px;
  padding: 34px;
  border: 1px solid var(--line);
  background: #fff;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.support-card:hover,
.contact-card:hover {
  border-color: #b7cde9;
  box-shadow: var(--shadow);
}

.support-card h2,
.support-card h3,
.contact-card h2,
.contact-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 500;
}

.support-card p,
.contact-card p {
  margin: 0;
  color: var(--muted);
}

.about-page {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.32fr);
  gap: 24px;
  align-items: start;
  margin-top: 24px;
}

.about-page-visual {
  min-height: 430px;
}

.about-page-copy {
  padding: 44px 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(31, 66, 92, 0.05);
}

.about-page-copy h2 {
  margin: 0 0 22px;
  font-size: 30px;
  font-weight: 500;
}

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

.company-logo-panel {
  position: sticky;
  top: 24px;
  overflow: hidden;
  border: 1px solid #dce4eb;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(31, 66, 92, 0.08);
}

.company-logo-media {
  display: grid;
  min-height: 390px;
  padding: 30px;
  background:
    radial-gradient(circle at 78% 16%, rgba(175, 126, 194, 0.2), transparent 34%),
    linear-gradient(150deg, #f2eef6, #d9e1ef);
  place-items: center;
}

.company-logo-media img {
  display: block;
  width: 100%;
  height: 330px;
  object-fit: contain;
}

.company-logo-caption {
  display: grid;
  gap: 8px;
  padding: 22px 24px 24px;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(40, 121, 183, 0.2), transparent 48%),
    #11334f;
}

.company-logo-caption span {
  color: #8fc9ed;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.company-logo-caption strong {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.about-page-copy {
  line-height: 1.95;
}

.about-page-copy p {
  margin: 0 0 18px;
}

.product-detail {
  display: grid;
  grid-template-columns: 45% 55%;
  gap: 55px;
  padding: 25px 0 55px;
}

.product-detail-visual {
  position: sticky;
  top: 24px;
  display: grid;
  height: 430px;
  overflow: hidden;
  color: #748591;
  background: linear-gradient(145deg, #edf2f5, #d7e2e8);
  place-items: center;
}

.product-detail-visual::before,
.product-detail-visual::after {
  position: absolute;
  border: 1px solid rgba(47, 115, 206, 0.2);
  border-radius: 50%;
  content: "";
}

.product-detail-visual::before {
  width: 300px;
  height: 300px;
}

.product-detail-visual::after {
  width: 190px;
  height: 190px;
  background: rgba(255, 255, 255, 0.4);
}

.product-detail-visual strong {
  position: relative;
  z-index: 1;
  font-size: 20px;
}

.product-detail-photo {
  padding: 28px;
}

.product-detail-photo::before,
.product-detail-photo::after {
  display: none;
}

.product-detail-photo img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-detail-copy h2 {
  margin: 0 0 14px;
  font-size: 32px;
  font-weight: 500;
}

.product-detail-copy > p {
  color: var(--muted);
}

.system-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
}

.system-tags span {
  padding: 6px 12px;
  border: 1px solid #c8d9ec;
  color: var(--brand-dark);
  background: #f4f8fd;
  font-size: 14px;
}

.detail-section {
  margin-top: 30px;
}

.detail-section h3 {
  margin-bottom: 12px;
  font-size: 20px;
  font-weight: 500;
}

.detail-section > p {
  color: var(--muted);
}

.product-resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.product-resource-links .text-link {
  margin-top: 0;
  border: 1px solid #d8e5ef;
  border-radius: 6px;
  background: #f7fbfe;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 12px 14px;
  background: var(--surface);
}

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

.spec-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.spec-row span:first-child {
  color: var(--muted);
}

.site-footer {
  padding-top: 48px;
  color: #fff;
  background: var(--footer);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr) 1.5fr;
  gap: 0;
  min-height: 220px;
}

.footer-column {
  padding: 0 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-column h2,
.footer-column h3 {
  position: relative;
  margin: 0 0 20px;
  font-size: 16px;
  font-weight: 500;
}

.footer-column h3::before {
  position: absolute;
  top: 3px;
  left: -29px;
  width: 3px;
  height: 18px;
  background: rgba(255, 255, 255, 0.55);
  content: "";
}

.footer-column a,
.footer-column p,
.footer-column span {
  display: block;
  margin: 8px 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 14px;
}

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

.footer-contact strong {
  display: block;
  margin-bottom: 14px;
  font-size: 17px;
}

.copyright {
  margin-top: 26px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
}

.copyright .container {
  display: flex;
  justify-content: space-between;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

:focus-visible {
  outline: 3px solid rgba(47, 115, 206, 0.38);
  outline-offset: 3px;
}

@media (max-width: 1100px) {
  .main-nav {
    gap: 20px;
  }

  .main-nav a {
    font-size: 15px;
  }

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

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

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 35px;
  }
}

@media (max-width: 900px) {
  .container {
    width: min(100% - 32px, var(--content));
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 80px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    height: calc(100vh - 80px);
    padding: 18px 24px 30px;
    overflow-y: auto;
    background: #fff;
    box-shadow: 0 15px 25px rgba(29, 54, 79, 0.12);
  }

  .main-nav.open {
    display: grid;
    align-content: start;
    gap: 0;
  }

  .main-nav a {
    height: auto;
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
    font-size: 17px;
  }

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

  .hero {
    height: 580px;
    min-height: 580px;
  }

  .hero-orbit {
    right: -120px;
    width: 320px;
    height: 320px;
  }

  .hero-content {
    padding-right: 12%;
  }

  .about-split,
  .about-page,
  .product-detail {
    grid-template-columns: 1fr;
  }

  .about-copy {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .company-logo-panel {
    position: relative;
    top: auto;
  }

  .company-logo-media {
    min-height: 320px;
  }

  .company-logo-media img {
    height: 280px;
  }

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

  .content-list article {
    grid-template-columns: 170px 1fr;
    padding-right: 0;
  }

  .list-meta {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    border: 0;
    text-align: left;
  }

  .product-detail-visual {
    position: relative;
    top: auto;
    height: 360px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .brand-copy strong {
    font-size: 17px;
  }

  .brand-copy small {
    display: none;
  }

  .hero {
    height: 550px;
    min-height: 550px;
  }

  .hero-content {
    padding-right: 0;
  }

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

  .hero-content p {
    font-size: 17px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-orbit {
    opacity: 0.55;
  }

  .home-section {
    padding: 58px 0;
  }

  .section-title h2,
  .about-copy h2 {
    font-size: 29px;
  }

  .about-copy {
    padding: 35px 24px;
  }

  .product-grid,
  .capability-grid,
  .support-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .manual-callout {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
    padding: 34px 25px;
  }

  .section-head {
    padding-top: 32px;
  }

  .section-head h1 {
    font-size: 32px;
  }

  .section-tabs {
    gap: 28px;
  }

  .content-list article {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 22px 0;
  }

  .list-visual {
    min-height: 190px;
  }

  .about-page-copy {
    padding: 34px 24px;
  }

  .company-logo-media {
    min-height: 250px;
    padding: 20px;
  }

  .company-logo-media img {
    height: 220px;
  }

  .company-logo-caption {
    padding: 18px 20px 20px;
  }

  .company-logo-caption strong {
    font-size: 13px;
    letter-spacing: 0;
  }

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

  .spec-row {
    grid-template-columns: 110px 1fr;
  }

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

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

  .footer-column h3::before {
    left: -19px;
  }

  .copyright .container {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}