/* Global */
:root {
  --color-primary: #1f5f8b;
  --color-primary-dark: #123f63;
  --color-primary-soft: #e9f3fa;
  --color-accent: #d8a25e;
  --color-accent-soft: #f8efe4;
  --color-text: #22313f;
  --color-text-light: #5d6b78;
  --color-border: #dbe4ea;
  --color-bg: #f6f9fc;
  --color-white: #ffffff;
  --shadow-card: 0 18px 48px rgba(24, 64, 94, 0.08);
  --shadow-soft: 0 10px 30px rgba(31, 95, 139, 0.08);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1200px;
  --transition: 0.35s ease;
  
}
* {
  box-sizing: border-box;
  
}
html {
  scroll-behavior: smooth;
  
}
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
  
}
a {
  color: inherit;
  text-decoration: none;
  
}
img {
  max-width: 100%;
  display: block;
  
}
button,
input,
select,
textarea {
  font: inherit;
  
}
.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  
}
.section {
  padding: 80px 0;
  
}
.section-muted {
  background: var(--color-bg);
  
}
.products-highlight {
  background: linear-gradient(180deg, #eef6fd 0%, #f7fbff 100%);
  
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
  
}
.section-head h2,
.page-hero h1,
.split-content h2,
.detail-intro h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.2;
  
}
.eyebrow {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  
}
.section-head p,
.page-hero p,
.card p,
.split-content p,
.stat p,
.footer p,
.lead {
  margin: 0;
  color: var(--color-text-light);
  
}
.topbar {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  flex-wrap: wrap;
  
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(219, 228, 234, 0.85);
  
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 18px;
  
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  
}
.brand img {
  width: 56px;
  height: 56px;
  
}
.brand-title {
  font-size: 20px;
  font-weight: 800;
  
}
.brand-subtitle {
  font-size: 12px;
  color: var(--color-text-light);
  
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  
}
.nav-links>a,
.nav-item>a {
  padding: 12px 16px;
  border-radius: 999px;
  transition: var(--transition);
  font-weight: 600;
  
}
.nav-links>a:hover,
.nav-links>a.active,
.nav-item>a:hover,
.nav-item>a.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  
}
.nav-item {
  position: relative;
  
}
.sub-nav {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 210px;
  display: grid;
  gap: 4px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(219, 228, 234, 0.9);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 30;
  
}
.nav-item:hover .sub-nav,
.nav-item:focus-within .sub-nav {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  
}
.sub-nav a {
  display: block;
  padding: 9px 12px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  
}
.sub-nav a:hover,
.sub-nav a.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  
}
/* 三级子菜单 */
.sub-nav-item {
  position: relative;
  
}
.sub-nav-item>a::after {
  content: ' ›';
  opacity: 0.5;
  font-size: 12px;
  
}
.sub-nav-level3 {
  position: absolute;
  left: 100%;
  top: 0;
  min-width: 150px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(6px);
  transition: var(--transition);
  
}
.sub-nav-item:hover .sub-nav-level3,
.sub-nav-item:focus-within .sub-nav-level3 {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(6px);
  
}
/* 移动端三级菜单内嵌 */
@media (max-width: 768px) {
  .sub-nav-level3 {
  position: static;
  transform: none;
  opacity: 1;
  pointer-events: auto;
  padding-left: 16px;
  box-shadow: none;
  border: none;
  background: none;
  
}
.sub-nav-level3 a {
  font-size: 13px;
  padding: 7px 10px;
  
}

}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  
}
.btn,
.btn-outline,
.mobile-toggle {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  
}
.btn,
.btn-outline {
  padding: 12px 22px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  
}
.btn {
  background: linear-gradient(135deg, var(--color-primary), #2b7bb2);
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
  
}
.btn:hover {
  transform: translateY(-2px);
  
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(31, 95, 139, 0.24);
  
}
.btn-outline:hover {
  background: var(--color-primary-soft);
  
}
.mobile-toggle {
  display: none;
  width: 48px;
  height: 48px;
  background: var(--color-primary-soft);
  position: relative;
  
}
.mobile-toggle span,
.mobile-toggle::before,
.mobile-toggle::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  left: 13px;
  transition: var(--transition);
  
}
.mobile-toggle span {
  top: 23px;
  
}
.mobile-toggle::before {
  top: 16px;
  
}
.mobile-toggle::after {
  top: 30px;
  
}
.mobile-toggle.is-open span {
  opacity: 0;
  
}
.mobile-toggle.is-open::before {
  transform: translateY(7px) rotate(45deg);
  
}
.mobile-toggle.is-open::after {
  transform: translateY(-7px) rotate(-45deg);
  
}
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0d3150 0%, #1f5f8b 55%, #163f60 100%);
  
}
.hero-slider {
  position: relative;
  
}
.hero-slide {
  display: none;
  min-height: 660px;
  align-items: center;
  padding: 56px 0 80px;
  
}
.hero-slide.is-active {
  display: flex;
  
}
.hero-grid,
.split-grid,
.contact-grid,
.footer-grid,
.page-grid,
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  align-items: center;
  
}
.hero-copy h1 {
  margin: 18px 0;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.1;
  color: #ffffff;
  
}
.hero-copy h1 em {
  font-style: normal;
  color: #f5b840;
  
}
.hero-copy p {
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  
}
.hero-points {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 26px;
  
}
.hero-points span,
.tag {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: #ffffff;
  font-weight: 600;
  
}
.hero-media {
  position: relative;
  
}
.hero-media-card,
.media-card {
  background: var(--color-white);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  
}
.hero-media-card img,
.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  
}
.floating-panel {
  position: absolute;
  right: -18px;
  bottom: 28px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  min-width: 230px;
  
}
.floating-panel strong {
  display: block;
  font-size: 28px;
  color: var(--color-primary-dark);
  
}
.hero-controls,
.banner-dots {
  display: flex;
  gap: 10px;
  margin-top: 26px;
  
}
.hero-dot,
.banner-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 0;
  background: rgba(31, 95, 139, 0.18);
  cursor: pointer;
  
}
.hero-dot.is-active,
.banner-dot.is-active {
  width: 34px;
  background: var(--color-primary);
  
}
.metrics {
  margin-top: -50px;
  position: relative;
  z-index: 3;
  
}
.metrics-grid,
.card-grid,
.case-grid,
.news-grid,
.product-grid,
.team-grid,
.job-grid,
.icon-grid,
.contact-cards,
.topic-grid {
  display: grid;
  gap: 24px;
  
}
.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  
}
.metric,
.card,
.contact-card,
.form-card,
.info-card,
.job-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(219, 228, 234, 0.75);
  
}
.metric strong,
.stat strong {
  display: block;
  font-size: 34px;
  line-height: 1.1;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  
}
.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  
}
.card {
  height: 100%;
  
}
.card-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--color-primary-soft), #ffffff);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  
}
.card h3,
.case-card h3,
.news-card h3,
.product-card h3,
.job-card h3,
.topic-card h3,
.info-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
  
}
.list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  
}
.list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
  color: var(--color-text-light);
  
}
.list li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--color-accent);
  position: absolute;
  left: 0;
  top: 11px;
  
}
.case-grid,
.news-grid,
.team-grid,
.job-grid,
.contact-cards,
.topic-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  
}
.case-card,
.news-card,
.product-card,
.team-card,
.topic-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(219, 228, 234, 0.75);
  height: 100%;
  
}
.case-card img,
.news-card img,
.topic-card img,
.team-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  
}
.case-card-content,
.news-card-content,
.product-card-content,
.team-card-content,
.topic-card-content {
  padding: 24px;
  
}
.case-meta,
.news-meta {
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
  
}
.middle-banner {
  position: relative;
  overflow: hidden;
  
}
.banner-track {
  position: relative;
  
}
.banner-slide {
  display: none;
  
}
.banner-slide.is-active {
  display: block;
  
}
.banner-panel {
  min-height: 320px;
  border-radius: 30px;
  position: relative;
  overflow: hidden;
  
}
.banner-panel::before {
  content: none;
  
}
.banner-panel>* {
  position: relative;
  z-index: 1;
  
}
.banner-panel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  
}
.banner-panel h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 46px);
  
}
.banner-panel p {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.88);
  
}
.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  
}
.product-card {
  border: 1px solid rgba(31, 95, 139, 0.08);
  display: flex;
  flex-direction: column;
  
}
.product-top {
  padding: 28px 28px 0;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  
}
.product-top img {
  width: 68px;
  height: 68px;
  
}
.product-card-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  
}
.product-card .btn-outline {
  margin-top: auto;
  width: fit-content;
  
}
.contact-band {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: var(--color-white);
  
}
.contact-band .section-head p,
.contact-band .contact-card p,
.contact-band .lead {
  color: rgba(255, 255, 255, 0.82);
  
}
.contact-cards {
  margin-top: 30px;
  
}
.contact-card {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.12);
  
}
.contact-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
  
}
.inquiry {
  position: relative;
  
}
.contact-grid {
  align-items: start;
  
}
.inquiry-single {
  display: block;
  
}
.inquiry-single .form-card {
  max-width: 980px;
  margin: 0 auto;
  
}
.form-card {
  padding: 32px;
  
}
.form-title {
  margin: 0 0 10px;
  font-size: 28px;
  
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  
}
.field,
.field-full {
  display: flex;
  flex-direction: column;
  gap: 8px;
  
}
.field-full {
  grid-column: 1 / -1;
  
}
label {
  font-weight: 700;
  font-size: 14px;
  
}
input,
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  background: #fbfdff;
  color: var(--color-text);
  outline: none;
  transition: var(--transition);
  
}
input:focus,
select:focus,
textarea:focus {
  border-color: rgba(31, 95, 139, 0.55);
  box-shadow: 0 0 0 4px rgba(31, 95, 139, 0.1);
  
}
textarea {
  min-height: 130px;
  resize: vertical;
  
}
.form-actions {
  margin-top: 20px;
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  
}
.form-note {
  color: var(--color-text-light);
  font-size: 14px;
  
}
.page-hero {
  padding: 86px 0 56px;
  background: linear-gradient(180deg, #f5f9fc 0%, #ffffff 100%);
  border-bottom: 1px solid rgba(219, 228, 234, 0.75);
  
}
.breadcrumb {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--color-text-light);
  font-size: 14px;
  margin-bottom: 20px;
  
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  
}
.stat {
  background: var(--color-white);
  padding: 24px;
  border-radius: 22px;
  border: 1px solid rgba(219, 228, 234, 0.75);
  box-shadow: var(--shadow-soft);
  
}
.contact-hero-panel {
  background: var(--color-white);
  border: 1px solid rgba(219, 228, 234, 0.75);
  box-shadow: var(--shadow-soft);
  border-radius: 24px;
  padding: 28px;
  
}
.contact-hero-panel h2 {
  margin: 0 0 16px;
  font-size: 24px;
  
}
.contact-hero-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px dashed rgba(31, 95, 139, 0.18);
  
}
.contact-hero-item:first-of-type {
  border-top: 0;
  padding-top: 0;
  
}
.contact-hero-item strong {
  color: var(--color-primary-dark);
  font-size: 15px;
  
}
.contact-hero-item span {
  color: var(--color-text);
  
}
.split-content .list {
  margin-top: 16px;
  
}
.info-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  
}
.info-card+.info-card {
  margin-top: 24px;
  
}
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  
}
.filter-chip {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--color-white);
  border: 1px solid rgba(31, 95, 139, 0.14);
  color: var(--color-primary);
  font-weight: 700;
  
}
.pagination {
  margin-top: 34px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  
}
.pagination a,
.pagination span,
.pagination select {
  min-width: 42px;
  height: 42px;
  padding: 0 12px;
  border-radius: 12px;
  border: 0px solid rgba(31, 95, 139, 0.18);
  background: var(--color-white);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  
}
.pagination a:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  transform: translateY(-1px);
  
}
.pagination .page-num-current,
.pagination .page-current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 8px 18px rgba(31, 95, 139, 0.2);
  
}
.pagination .page-status {
  color: var(--color-text-light);
  border-color: rgba(93, 107, 120, 0.2);
  font-weight: 600;
  
}
.pagination .page-pre,
.pagination .page-next,
.pagination .page-index,
.pagination .page-last {
  min-width: 68px;
  
}
.pagination .page-select {
  min-width: 120px;
  
}
.footer {
  background: #0f2435;
  color: rgba(255, 255, 255, 0.78);
  padding: 70px 0 20px;
  
}
.footer-grid {
  align-items: start;
  
}
.footer-grid-qrcode {
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) 180px;
  
}
.footer-grid-qrcode > div {
  min-width: 0;
  
}
.footer-qrcode img {
  width: 140px;
  height: 140px;
  object-fit: contain;
  
}
.footer h3,
.footer h4 {
  margin: 0 0 16px;
  color: var(--color-white);
  
}
.footer-nav,
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  
}
.footer-nav li,
.footer-contact li {
  margin-bottom: 10px;
  
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  
}
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
  
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  
}
.skip-link:focus {
  left: 12px;
  top: 12px;
  z-index: 999;
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 10px 14px;
  border-radius: 10px;
  
}
@media (max-width: 1100px) {
  .hero-grid,
    .split-grid,
    .contact-grid,
    .footer-grid,
    .page-grid,
    .detail-grid,
    .info-grid {
  grid-template-columns: 1fr;
  
}
.metrics-grid,
    .card-grid,
    .case-grid,
    .news-grid,
    .product-grid,
    .team-grid,
    .job-grid,
    .contact-cards,
    .topic-grid,
    .stat-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  
}
.floating-panel {
  position: static;
  margin-top: 16px;
  
}
.navbar {
  min-height: 74px;
  
}
.nav-links {
  position: absolute;
  left: 16px;
  right: 16px;
  top: calc(100% + 10px);
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(219, 228, 234, 0.9);
  box-shadow: var(--shadow-soft);
  border-radius: 20px;
  padding: 14px;
  flex-direction: column;
  align-items: stretch;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: var(--transition);
  
}
.nav-item {
  position: static;
  
}
.sub-nav {
  position: static;
  min-width: 0;
  opacity: 1;
  pointer-events: auto;
  transform: none;
  box-shadow: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 0 0 0 14px;
  margin-top: 4px;
  
}
.sub-nav a {
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 500;
  white-space: normal;
  
}
.nav-links.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  
}
.mobile-toggle {
  display: inline-flex;
  
}
.header-actions .btn {
  display: none;
  
}
.footer-grid-qrcode {
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) 160px;
  
}

}
@media (max-width: 720px) {
  .section {
  padding: 64px 0;
  
}
.hero-slide {
  min-height: auto;
  padding-top: 34px;
  
}
.metrics {
  margin-top: 0;
  padding-top: 24px;
  
}
.metrics-grid,
    .card-grid,
    .case-grid,
    .news-grid,
    .product-grid,
    .team-grid,
    .job-grid,
    .contact-cards,
    .topic-grid,
    .stat-grid,
    .form-grid {
  grid-template-columns: 1fr;
  
}
.section-head {
  flex-direction: column;
  align-items: start;
  
}
.banner-panel,
    .metric,
    .card,
    .product-card-content,
    .case-card-content,
    .news-card-content,
    .team-card-content,
    .topic-card-content,
    .form-card,
    .info-card,
    .job-card,
    .contact-card {
  padding: 22px;
  
}
.brand-title {
  font-size: 18px;
  
}
.brand-subtitle {
  display: none;
  
}
.hero-copy h1 {
  font-size: 34px;
  
}
.hero-copy p {
  font-size: 16px;
  
}
.topbar-inner {
  flex-direction: column;
  gap: 6px;
  
}
.footer-grid-qrcode {
  grid-template-columns: 1fr;
  
}
.mobile-hidden {
  display: none;
  
}
.pagination {
  justify-content: flex-start;
  
}
.pagination a,
.pagination span,
.pagination select {
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  
}

}