:root {
  --color-primary: #1e3a8a;
  --color-primary-strong: #172d6a;
  --color-secondary: #3b82f6;
  --color-accent: #f97316;
  --color-accent-strong: #ea580c;
  --color-bg: #f9fafb;
  --color-surface: #ffffff;
  --color-surface-muted: #eff4ff;
  --color-text: #111827;
  --color-text-soft: #4b5563;
  --color-text-inverse: #f8fafc;
  --color-border: #dbe3ee;
  --color-border-strong: #c3d0e0;
  --color-success: #0f766e;
  --color-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  --color-shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.06);
  --color-overlay: linear-gradient(135deg, rgba(17, 24, 39, 0.82), rgba(30, 58, 138, 0.7));
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --container: 1180px;
  --container-wide: 1280px;
  --header-height: 84px;
  --transition: 0.25s ease;
  --font-heading: "Inter", "Montserrat", Arial, sans-serif;
  --font-body: "Roboto", "Open Sans", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  min-width: 320px;
}

img {
  display: block;
  max-width: 100%;
  border: 0;
}

svg {
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition:
    color var(--transition),
    background-color var(--transition),
    border-color var(--transition),
    opacity var(--transition),
    transform var(--transition);
}

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

button {
  cursor: pointer;
  border: 0;
  background: none;
}

input,
select,
textarea {
  width: 100%;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

p,
figure,
blockquote {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(2rem, 3.1vw, 3rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  letter-spacing: -0.02em;
}

h4 {
  font-size: 1.1rem;
}

p,
li {
  color: var(--color-text-soft);
  font-size: 1rem;
}

main {
  display: block;
}

section {
  position: relative;
}

/* ===== 全站容器：已优化左右留白 ===== */
.container,
.container-wide {
  width: 100%;
  margin: 0 auto;
}

.container {
  max-width: var(--container);
  padding-left: 32px;
  padding-right: 32px;
}

.container-wide {
  max-width: var(--container-wide);
  padding-left: 32px;
  padding-right: 32px;
}

.section {
  padding: 88px 0;
}

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

.section-lg {
  padding: 112px 0;
}

.section-dark {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark p,
.section-dark li,
.section-dark .section-intro,
.section-dark .eyebrow {
  color: var(--color-text-inverse);
}

.surface {
  background: var(--color-surface);
}

.surface-muted {
  background: linear-gradient(180deg, #f5f8fd 0%, #eef4ff 100%);
}

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

.text-white,
.text-white p,
.text-white li,
.text-white h1,
.text-white h2,
.text-white h3,
.text-white h4 {
  color: var(--color-text-inverse);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--color-secondary);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: currentColor;
  opacity: 0.75;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2 + p,
.section-heading h1 + p {
  margin-top: 16px;
  font-size: 1.06rem;
}

.section-intro {
  max-width: 760px;
  font-size: 1.05rem;
}

.lead {
  font-size: 1.1rem;
}

.stack-xs > * + * {
  margin-top: 10px;
}

.stack-sm > * + * {
  margin-top: 16px;
}

.stack-md > * + * {
  margin-top: 24px;
}

.stack-lg > * + * {
  margin-top: 32px;
}

.grid {
  display: grid;
  gap: 24px;
}

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

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

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

.auto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.split-reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

.flex-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.justify-between {
  justify-content: space-between;
}

.align-start {
  align-items: flex-start;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.92rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background-color var(--transition),
    color var(--transition),
    border-color var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--color-shadow-sm);
}

.btn:focus-visible,
.nav-toggle:focus-visible,
.site-nav a:focus-visible,
.dropdown-toggle:focus-visible,
.faq-question:focus-visible,
.filter-chip:focus-visible,
.tab-button:focus-visible,
.form-control:focus-visible,
textarea:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(59, 130, 246, 0.22);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--color-accent);
  color: #162e63;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-accent-strong);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: rgba(30, 58, 138, 0.22);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(59, 130, 246, 0.08);
}

.btn-light {
  background: #ffffff;
  color: var(--color-primary);
}

.btn-outline-light {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-secondary);
  font-weight: 700;
}

.link-arrow::after {
  content: "→";
  transition: transform var(--transition);
}

.link-arrow:hover::after,
.link-arrow:focus-visible::after {
  transform: translateX(4px);
}

.card,
.card-dark,
.card-light {
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--color-shadow-sm);
  height: 100%;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.card-dark {
  background: linear-gradient(180deg, #173067 0%, #111f45 100%);
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.card-dark h1,
.card-dark h2,
.card-dark h3,
.card-dark h4,
.card-dark p,
.card-dark li {
  color: #ffffff !important;
}

.card-dark p {
  color: rgba(255, 255, 255, 0.85) !important;
}

.card-light {
  background: #f7faff;
  border: 1px solid #d6e4fb;
}

.card-light h3,
.card-light h4 {
  color: var(--color-primary);
}

.card .icon-box,
.card-dark .icon-box,
.card-light .icon-box {
  margin-bottom: 18px;
}

.icon-box {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(59, 130, 246, 0.12);
  color: var(--color-primary);
}

.card-dark .icon-box {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.card-title + p,
.card h3 + p,
.card-dark h3 + p,
.card-light h3 + p {
  margin-top: 12px;
}

.card-meta {
  margin-top: 18px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--color-text-soft);
  font-weight: 600;
  font-size: 0.92rem;
}

.image-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #dde7f6;
  min-height: 280px;
}

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

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(17, 24, 39, 0.05);
  border-radius: inherit;
  pointer-events: none;
}

.hero {
  position: relative;
  min-height: min(88vh, 860px);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0f172a;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.75),
    rgba(30, 58, 138, 0.65)
  );
  z-index: 1;
}

.hero > .hero-bg {
  position: absolute;
  inset: 0;
}

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

.hero .container,
.hero .container-wide {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 700px;
  color: var(--color-text-inverse);
  padding: 110px 0 88px;
}

.hero-content h1,
.hero-content h2,
.hero-content p,
.hero-content li,
.hero-content .eyebrow {
  color: #ffffff !important;
}

.hero-content p {
  font-size: 1.1rem;
  max-width: 640px;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.hero-point {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
}

.hero-point strong {
  display: block;
  color: #ffffff;
  margin-bottom: 6px;
  font-size: 0.98rem;
}

.hero-point span {
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.92rem;
}

.page-hero {
  padding: 144px 0 70px;
  background: linear-gradient(180deg, #eef4ff 0%, #f9fafb 100%);
}

.page-hero .section-heading {
  margin-bottom: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(219, 227, 238, 0.9);
}

.site-header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-text strong {
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1;
  letter-spacing: -0.02em;
}

.brand-text span {
  color: var(--color-text-soft);
  font-size: 0.82rem;
  line-height: 1;
}

.site-nav-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav-item {
  position: relative;
}

.site-nav-link,
.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav-link:hover,
.site-nav-link:focus-visible,
.dropdown-toggle:hover,
.dropdown-toggle:focus-visible {
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-primary);
}

.site-nav-link.active,
.dropdown-toggle.active {
  background: rgba(30, 58, 138, 0.1);
  color: var(--color-primary);
}

.nav-cta {
  margin-left: 8px;
}

.nav-cta .btn-primary {
  background: var(--color-accent);
  color: #111111;
  border-color: var(--color-accent);
}

.nav-cta .btn-primary:hover,
.nav-cta .btn-primary:focus-visible {
  background: var(--color-accent-strong);
  color: #224aab;
  border-color: var(--color-accent-strong);
}

.nav-cta .btn {
  font-weight: 700;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  color: var(--color-primary);
  border: 1px solid rgba(30, 58, 138, 0.15);
  background: #ffffff;
}

.nav-toggle-bar {
  position: relative;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: inherit;
  transition: transform var(--transition), top var(--transition), opacity var(--transition);
}

.nav-toggle-bar::before {
  top: -6px;
}

.nav-toggle-bar::after {
  top: 6px;
}

.nav-open .nav-toggle-bar {
  background: transparent;
}

.nav-open .nav-toggle-bar::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-open .nav-toggle-bar::after {
  top: 0;
  transform: rotate(-45deg);
}

.has-dropdown .dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 220px;
  padding: 10px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu,
.has-dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 11px 14px;
  border-radius: 10px;
  color: var(--color-text-soft);
  font-weight: 600;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus-visible,
.dropdown-menu a.active {
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.08);
}

.topbar {
  background: #0f214d;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.9rem;
}

.topbar-inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.topbar-links a:hover,
.topbar-links a:focus-visible {
  color: #ffffff;
}

.site-footer {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.85);
  padding-top: 72px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3,
.footer-col h4 {
  color: #ffffff;
}

.footer-brand p {
  margin-top: 16px;
  max-width: 360px;
  color: rgba(255, 255, 255, 0.74);
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.footer-col a,
.footer-contact li {
  color: rgba(255, 255, 255, 0.74);
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: #ffffff;
}

.footer-contact {
  list-style: none;
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.footer-contact strong {
  display: block;
  color: #ffffff;
  margin-bottom: 4px;
  font-size: 0.96rem;
}

.footer-bottom {
  padding: 20px 0 30px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
}

.logo-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.logo-chip {
  min-height: 74px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  box-shadow: var(--color-shadow-sm);
  color: var(--color-text-soft);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.metric-card {
  padding: 24px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow-sm);
}

.metric-value {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  color: var(--color-primary);
  line-height: 1;
}

.metric-label {
  display: block;
  margin-top: 10px;
  color: var(--color-text-soft);
  font-weight: 600;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 14px;
  width: 2px;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.28), rgba(30, 58, 138, 0.2));
}

.timeline-item {
  position: relative;
  padding-left: 52px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 6px;
  width: 18px;
  height: 18px;
  background: #ffffff;
  border: 4px solid var(--color-secondary);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.12);
}

.timeline-item strong {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--color-primary);
  font-size: 1.02rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.process-step {
  position: relative;
  padding: 26px 20px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow-sm);
}

.process-step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -12px;
  width: 24px;
  height: 2px;
  background: rgba(59, 130, 246, 0.4);
  transform: translateY(-50%);
}

.process-step:last-child::after {
  display: none;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: rgba(249, 115, 22, 0.12);
  color: var(--color-accent);
  font-weight: 800;
}

.check-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.12);
}

.check-list li::after {
  content: "";
  position: absolute;
  top: 13px;
  left: 5px;
  width: 6px;
  height: 3px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

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

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.feature-item .icon-box {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  margin-bottom: 0;
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--color-shadow-sm);
  border: 1px solid var(--color-border);
  background: #ffffff;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

th {
  background: #eef4ff;
  color: var(--color-primary);
  font-size: 0.95rem;
  font-weight: 800;
}

td {
  color: var(--color-text-soft);
}

tr:last-child td {
  border-bottom: 0;
}

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

.filter-chip {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text);
  font-weight: 700;
}

.filter-chip.active,
.filter-chip:hover,
.filter-chip:focus-visible {
  border-color: rgba(30, 58, 138, 0.25);
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-primary);
}

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

.product-card {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow-sm);
  height: 100%;
}

.product-card .image-frame {
  min-height: 250px;
  border-radius: 0;
}

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

.product-specs {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.product-specs li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.95rem;
}

.product-specs li span:first-child {
  color: var(--color-text);
  font-weight: 700;
}

.tabs {
  display: grid;
  gap: 24px;
}

.tab-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.tab-button {
  padding: 12px 18px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  font-weight: 700;
  color: var(--color-text);
}

.tab-button.active,
.tab-button:hover,
.tab-button:focus-visible {
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-primary);
  border-color: rgba(30, 58, 138, 0.18);
}

.tab-panel {
  display: none;
}

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

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #ffffff;
  box-shadow: var(--color-shadow-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-align: left;
  color: var(--color-text);
  font-weight: 700;
}

.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-secondary);
}

.faq-item.open .faq-question::after {
  content: "–";
}

.faq-answer {
  display: none;
  padding: 0 24px 22px;
}

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

.form-panel {
  padding: 32px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow);
}

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

.form-group {
  display: grid;
  gap: 8px;
}

.form-group.full {
  grid-column: 1 / -1;
}

label {
  color: var(--color-text);
  font-weight: 700;
  font-size: 0.95rem;
}

.form-control,
textarea,
select,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="file"] {
  min-height: 50px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--color-border-strong);
  background: #ffffff;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  font-size: 0.92rem;
  color: var(--color-text-soft);
}

.cta-banner {
  padding: 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #173067 0%, #1e3a8a 52%, #2450b7 100%);
  color: #ffffff;
  box-shadow: var(--color-shadow);
}

.cta-banner h2,
.cta-banner h3,
.cta-banner p {
  color: #ffffff;
}

.cta-banner .btn-row {
  margin-top: 24px;
}

.quote-highlight {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: stretch;
}

.testimonial {
  padding: 30px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow-sm);
}

.testimonial blockquote {
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.7;
}

.testimonial footer {
  margin-top: 18px;
  color: var(--color-text-soft);
  font-weight: 700;
}

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

.cert-badge {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow-sm);
}

.cert-mark {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.blog-card {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow-sm);
}

.blog-card .image-frame {
  min-height: 220px;
  border-radius: 0;
}

.blog-card-body {
  padding: 24px;
}

.blog-meta {
  color: var(--color-secondary);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.case-card {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow-sm);
}

.case-card .image-frame {
  min-height: 220px;
  border-radius: 0;
}

.case-card-body {
  padding: 24px;
}

.callout {
  padding: 22px 24px;
  border-left: 4px solid var(--color-accent);
  background: #fff7ed;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.map-placeholder {
  position: relative;
  min-height: 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(59, 130, 246, 0.18) 1px, transparent 1px),
    linear-gradient(rgba(59, 130, 246, 0.18) 1px, transparent 1px),
    linear-gradient(135deg, #dceafe 0%, #f3f7ff 100%);
  background-size: 44px 44px, 44px 44px, cover;
  border: 1px solid var(--color-border);
  box-shadow: var(--color-shadow-sm);
}

.map-placeholder::before,
.map-placeholder::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.map-placeholder::before {
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  top: 44%;
  left: 54%;
  box-shadow: 0 0 0 12px rgba(249, 115, 22, 0.18);
}

.map-placeholder::after {
  width: 210px;
  height: 210px;
  border: 2px dashed rgba(30, 58, 138, 0.25);
  top: 18%;
  left: 42%;
}

.map-card {
  position: absolute;
  left: 24px;
  bottom: 24px;
  max-width: 320px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--color-shadow);
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 0.92rem;
  color: var(--color-text-soft);
}

.breadcrumbs a {
  color: var(--color-secondary);
}

.breadcrumbs span {
  opacity: 0.7;
}

.empty-state {
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border-strong);
  text-align: center;
  color: var(--color-text-soft);
}

.hide-desktop {
  display: none;
}

@media (max-width: 1180px) {
  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .process-step:nth-child(3)::after {
    display: none;
  }

  .hero-points {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
}

@media (max-width: 980px) {
  :root {
    --header-height: 76px;
  }

  .container,
  .container-wide {
    padding-left: 24px;
    padding-right: 24px;
  }

  .grid-4,
  .grid-3,
  .grid-2,
  .split,
  .split-reverse,
  .quote-highlight,
  .metrics,
  .form-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .site-nav-wrap {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    padding: 18px 16px 22px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  }

  .nav-open .site-nav-wrap {
    display: grid;
    gap: 14px;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav-list {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .site-nav-item {
    width: 100%;
  }

  .site-nav-link,
  .dropdown-toggle {
    width: 100%;
    min-height: 48px;
    justify-content: space-between;
    border-radius: 12px;
    padding: 0 16px;
  }

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

  .nav-cta .btn {
    width: 100%;
  }

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

  .has-dropdown .dropdown-menu {
    position: static;
    min-width: 100%;
    padding: 8px 0 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }

  .has-dropdown.open .dropdown-menu {
    display: block;
  }

  .dropdown-menu a {
    padding: 10px 14px 10px 22px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.06);
    margin-top: 6px;
  }

  .topbar-inner {
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 8px 0;
  }

  .page-hero {
    padding: 132px 0 60px;
  }

  .section,
  .section-lg {
    padding: 78px 0;
  }
}

@media (max-width: 767px) {
  body {
    font-size: 15px;
  }

  .container,
  .container-wide {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section,
  .section-lg {
    padding: 64px 0;
  }

  .section-sm {
    padding: 48px 0;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 98px 0 68px;
  }

  .btn {
    width: 100%;
  }

  .btn-row {
    flex-direction: column;
    align-items: stretch;
  }

  .logo-strip,
  .product-grid,
  .cert-grid,
  .case-grid,
  .blog-grid,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .card,
  .card-dark,
  .card-light,
  .form-panel,
  .cta-banner,
  .testimonial,
  .metric-card {
    padding: 22px;
  }

  .image-frame {
    min-height: 220px;
  }

  .product-card .image-frame,
  .blog-card .image-frame,
  .case-card .image-frame {
    min-height: 210px;
  }

  .page-hero {
    padding: 122px 0 50px;
  }

  .site-footer {
    padding-top: 60px;
  }

  .footer-bottom {
    padding-bottom: 24px;
  }

  .map-card {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
  }

  .hide-mobile {
    display: none;
  }

  .hide-desktop {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}