:root {
  --blue-900: #0c2c63;
  --blue-800: #113a7f;
  --blue-700: #1853a9;
  --blue-600: #2168d8;
  --blue-100: #edf4ff;
  --sky: #56a8ff;
  --text: #1a2a44;
  --muted: #64748b;
  --line: #dbe6f5;
  --white: #ffffff;
  --bg: #f5f8fd;
  --shadow: 0 18px 48px rgba(10, 36, 79, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@keyframes fadeRise {
  from {
    opacity: 0;
    transform: translateY(26px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatDrift {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

@keyframes softPulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(33, 104, 216, 0.18);
  }

  50% {
    box-shadow: 0 0 0 10px rgba(33, 104, 216, 0);
  }
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
}

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

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

.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
}

.site-header.scrolled {
  background: rgba(12, 44, 99, 0.95);
  box-shadow: 0 12px 30px rgba(0, 15, 43, 0.22);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 0;
}

.logo img {
    width: 176px;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1 1 auto;
  gap: 18px;
  color: var(--white);
  font-size: 14px;
}

.site-nav a {
  position: relative;
  transition: color 0.25s ease, transform 0.25s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

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

.nav-cta {
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--white);
  color: var(--blue-900);
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-cta::after {
  display: none;
}

.lang-page-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  margin-left: 4px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.lang-page-switch a {
  padding: 7px 12px;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1;
}

.lang-page-switch a::after {
  display: none;
}

.lang-page-switch a.active {
  background: var(--white);
  color: var(--blue-900);
}

.nav-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 6px;
  transform: none;
}

.nav-badges img {
  display: block;
  width: auto;
  height: 56px;
  padding: 2px 6px;
  border-radius: 999px;
  transition: transform 0.3s ease, filter 0.3s ease;
  animation: floatDrift 4.8s ease-in-out infinite;
}

.nav-badges img:nth-child(2) {
  animation-delay: 0.4s;
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.36);
  background: transparent;
  color: var(--white);
  padding: 10px 14px;
  border-radius: 10px;
  font: inherit;
}

.hero {
  position: relative;
  min-height: 880px;
  padding: 160px 0 90px;
  background:
    linear-gradient(90deg, rgba(6, 24, 55, 0.94) 0%, rgba(10, 44, 96, 0.84) 44%, rgba(12, 54, 116, 0.52) 100%),
    url("./image/22.gif") center/cover no-repeat;
  color: var(--white);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(245, 248, 253, 0.12));
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 38px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: #8ac2ff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow.light {
  color: #91c8ff;
}

.hero h1,
.section-heading h2,
.dark-copy h2,
.support-copy h2 {
  margin: 0;
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.15;
  font-weight: 700;
}

.hero-text,
.section-heading p,
.dark-copy p,
.footer-text {
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
  line-height: 1.9;
}

.hero-text {
  max-width: 720px;
  margin: 24px 0 0;
}

.hero-copy > * {
  opacity: 0;
  animation: fadeRise 0.8s ease forwards;
}

.hero-copy .eyebrow {
  animation-delay: 0.08s;
}

.hero-copy h1 {
  animation-delay: 0.18s;
}

.hero-copy .hero-text {
  animation-delay: 0.3s;
}

.hero-copy .hero-actions {
  animation-delay: 0.42s;
}

.hero-copy .hero-points {
  animation-delay: 0.54s;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-points span {
  padding: 11px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
  transition: transform 0.25s ease, background 0.25s ease;
}

.hero-focus {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.hero-focus span {
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.hero-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.hero-card-head strong {
  font-size: 20px;
}

.hero-card-head span {
  color: #c9e0ff;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-media {
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 16px;
}

.hero-stats article {
  padding: 18px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-stats strong {
  display: block;
  font-size: 28px;
}

.hero-stats span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.section {
  padding: 88px 0;
}

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

.section-dark {
  background:
    linear-gradient(120deg, rgba(8, 31, 69, 0.96), rgba(18, 72, 150, 0.9)),
    var(--blue-900);
  color: var(--white);
}

.intro-strip {
  position: relative;
  margin-top: -68px;
  z-index: 2;
  padding-top: 0;
}

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

.strip-grid article,
.solution-card,
.service-card,
.industry-card,
.about-highlights article,
.timeline-card,
.support-cards article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  transition: transform 0.32s ease, box-shadow 0.32s ease, border-color 0.32s ease;
}

.strip-grid article {
  padding: 26px 24px;
}

.strip-grid strong,
.solution-card h3,
.service-card h3,
.industry-card h3,
.timeline-card h3 {
  font-size: 20px;
}

.strip-grid p,
.solution-card p,
.service-card p,
.industry-card p,
.about-highlights p,
.timeline-list span,
.support-cards p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 36px;
  text-align: center;
}

.section-heading.align-left {
  margin-left: 0;
  text-align: left;
}

.section-heading p {
  margin: 16px 0 0;
  color: var(--muted);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.solution-card {
  padding: 28px;
}

.solution-card.feature {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 20px;
  align-items: center;
  background: linear-gradient(135deg, #0f3d84, #1c5fca);
  color: var(--white);
}

.solution-card.feature p {
  color: rgba(255, 255, 255, 0.84);
}

.solution-card.feature img {
  border-radius: 18px;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.card-tag {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 13px;
  font-weight: 700;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--blue-100);
  color: var(--blue-700);
  font-weight: 800;
}

.services-grid,
.industry-grid,
.about-highlights,
.support-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card,
.industry-card,
.about-highlights article,
.support-cards article {
  padding: 28px 24px;
}

.section-manufacturing {
  background: linear-gradient(180deg, rgba(10, 40, 89, 0.04) 0%, rgba(10, 40, 89, 0.08) 100%);
}

.manufacturing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.manufacturing-card {
  padding: 28px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(24, 83, 169, 0.12);
  box-shadow: var(--shadow);
  transition: transform 0.32s ease, box-shadow 0.32s ease, border-color 0.32s ease;
}

.manufacturing-card strong {
  display: block;
  font-size: 20px;
}

.manufacturing-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

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

.scenario-card {
  padding: 30px 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  box-shadow: var(--shadow);
  transition: transform 0.32s ease, box-shadow 0.32s ease, border-color 0.32s ease;
}

.scenario-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--blue-100);
  color: var(--blue-700);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.scenario-card h3 {
  margin: 18px 0 0;
  font-size: 24px;
  line-height: 1.45;
}

.scenario-card p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.9;
}

.scenario-card p strong {
  color: var(--text);
}

.client-wall {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.client-wall span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 82px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #f8fbff;
  text-align: center;
  line-height: 1.6;
  font-size: 14px;
  color: var(--text);
}

.dark-grid,
.about-grid,
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}

.dark-media {
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

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

.bullet-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.bullet-list li {
  position: relative;
  padding-left: 22px;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.85);
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #8ac2ff;
}

.timeline-card {
  padding: 28px;
}

.timeline-list {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.timeline-list article {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 16px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.timeline-list article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.timeline-list strong {
  color: var(--blue-700);
  font-size: 28px;
}

.site-footer {
  background: #081d45;
  color: var(--white);
  padding: 64px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
  gap: 28px;
}

.footer-logo {
  width: 180px;
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

.footer-badges {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin: 16px 0 18px;
  flex-wrap: wrap;
}

.footer-badges img {
  display: block;
  width: auto;
  height: 70px;
  border-radius: 10px;
}

.site-footer h3 {
  margin: 0 0 18px;
  font-size: 18px;
}

.site-footer a,
.site-footer p {
  display: block;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.9;
}

.footer-contact strong {
  color: var(--white);
}

.footer-btn {
  display: inline-flex;
  margin-top: 12px;
}

.footer-meta {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: right;
}

.beian-link {
  display: inline-flex;
  align-items: center;
  color: #939393;
  font-size: 12px;
}

.floating-dock {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
}

.floating-dock-bar {
  overflow: visible;
  border-radius: 22px 22px 14px 14px;
  background: linear-gradient(180deg, #2d68c4 0%, #1a3f84 52%, #0d2450 100%);
  box-shadow: 0 14px 30px rgba(4, 20, 48, 0.24);
  animation: floatDrift 5.2s ease-in-out infinite;
}

.floating-dock-btn {
  position: relative;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--white);
  transition: background 0.25s ease, transform 0.25s ease;
}

.floating-dock-btn + .floating-dock-btn {
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.floating-dock-btn svg {
  width: 20px;
  height: 20px;
}

.floating-dock-tip {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(8, 27, 63, 0.94);
  color: #fff;
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 12px 24px rgba(4, 20, 48, 0.24);
}

.floating-dock-tip::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -5px;
  width: 10px;
  height: 10px;
  background: rgba(8, 27, 63, 0.94);
  transform: translateY(-50%) rotate(45deg);
}

.floating-dock-btn:hover .floating-dock-tip,
.floating-dock-btn:focus-visible .floating-dock-tip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.btn:hover,
.btn:focus-visible,
.nav-cta:hover,
.nav-cta:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(10, 36, 79, 0.22);
}

.hero-points span:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.14);
}

.hero-focus span:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.24);
}

.strip-grid article:hover,
.solution-card:hover,
.service-card:hover,
.industry-card:hover,
.manufacturing-card:hover,
.scenario-card:hover,
.about-highlights article:hover,
.timeline-card:hover,
.support-cards article:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 56px rgba(10, 36, 79, 0.18);
  border-color: rgba(86, 168, 255, 0.28);
}

.solution-card.feature:hover img {
  transform: scale(1.03);
}

.floating-dock-btn:hover,
.floating-dock-btn:focus-visible {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
}

.nav-badges img:hover {
  transform: translateY(-3px) scale(1.02);
  filter: brightness(1.04);
}

.nav-cta {
  animation: softPulse 2.8s ease-in-out infinite;
}

.reveal-item {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-item.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

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

@media (max-width: 1080px) {
  .hero-inner,
  .dark-grid,
  .about-grid,
  .support-grid,
  .solution-card.feature {
    grid-template-columns: 1fr;
  }

  .strip-grid,
  .services-grid,
  .industry-grid,
  .manufacturing-grid,
  .scenario-grid,
  .about-highlights,
  .support-cards,
  .client-wall,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .solution-card.feature {
    grid-column: span 2;
  }
}

@media (max-width: 1360px) {
  .site-nav {
    gap: 14px;
  }

  .nav-badges {
    display: none;
  }
}

@media (max-width: 1220px) {
  .header-inner {
    gap: 10px;
  }

  .logo img {
    width: 164px;
  }

  .site-nav {
    gap: 12px;
    font-size: 13px;
  }

  .nav-cta {
    padding: 10px 18px;
  }

  .lang-page-switch a {
    padding: 7px 10px;
  }
}

@media (max-width: 760px) {
  .site-header {
    background: rgba(12, 44, 99, 0.96);
    box-shadow: 0 10px 24px rgba(0, 15, 43, 0.22);
  }

  .header-inner {
    padding: 14px 0;
  }

  .logo img {
    width: 152px;
  }

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

  .site-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: calc(100% + 10px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    border-radius: 18px;
    background: #0f326d;
  }

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

  .site-nav a {
    padding: 12px 10px;
  }

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

  .nav-cta {
    text-align: center;
    margin-top: 6px;
  }

  .lang-page-switch {
    width: 100%;
    justify-content: center;
    margin: 8px 0 0;
  }

  .nav-badges {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 124px 0 72px;
  }

  .hero-actions,
  .hero-stats {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .strip-grid,
  .solution-grid,
  .services-grid,
  .industry-grid,
  .manufacturing-grid,
  .scenario-grid,
  .about-highlights,
  .support-cards,
  .client-wall,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .solution-card.feature {
    grid-column: span 1;
  }

  .section {
    padding: 68px 0;
  }

  .intro-strip {
    margin-top: -38px;
  }

  .container {
    width: min(100% - 24px, 1200px);
  }

  .timeline-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .floating-dock {
    right: 12px;
    bottom: 12px;
  }

  .floating-dock-btn {
    width: 44px;
    height: 44px;
  }

  .floating-dock-tip {
    display: none;
  }
}