:root {
  --primary-color: #0086ff;
  --primary-dark: #0066cc;
  --secondary-color: #6c757d;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --text: #333;
  --muted: #6c757d;
  --footer: #0f172a;
  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  padding-top: 80px;
  -webkit-font-smoothing: antialiased;
}

.home-page { padding-top: 0; }

img { max-width: 100%; display: block; }
a { text-decoration: none; color: var(--primary-color); }
a:hover { color: var(--primary-dark); }

.container {
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 15px 0;
  transition: all 0.3s ease;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.home-page .navbar {
  background: transparent;
  border-bottom: none;
}

.navbar.navbar-scrolled {
  background: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(10px);
  padding: 10px 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.navbar-brand {
  display: flex;
  align-items: center;
  min-width: 0;
  color: var(--dark-color);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.brand-text {
  margin-left: 12px;
  font-size: 1.05rem;
  font-weight: 600;
  color: inherit;
  white-space: nowrap;
}

.navbar-collapse {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}

.nav-link {
  display: inline-block;
  font-weight: 500;
  margin: 0 10px;
  padding: 8px 0;
  position: relative;
  color: var(--dark-color);
}

.nav-link.active,
.nav-link:hover { color: var(--primary-color); }

.nav-link.active::after,
.nav-link:hover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-color);
}

.home-page .navbar:not(.navbar-scrolled) .brand-text,
.home-page .navbar:not(.navbar-scrolled) .nav-link {
  color: #fff;
}

.home-page .navbar:not(.navbar-scrolled) .nav-link.active::after,
.home-page .navbar:not(.navbar-scrolled) .nav-link:hover::after {
  background: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 25px;
  border-radius: 30px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  line-height: 1.4;
}

.btn-lg { padding: 12px 28px; font-size: 1.05rem; }

.btn-primary {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.btn-outline-primary {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.85);
  color: #fff;
  background: transparent;
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--primary-color);
}

.btn-consult { margin-left: 12px; white-space: nowrap; }

.navbar-toggler {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.navbar-toggler span,
.navbar-toggler span::before,
.navbar-toggler span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary-color);
  position: relative;
  transition: 0.2s;
}

.navbar-toggler span::before,
.navbar-toggler span::after {
  content: "";
  position: absolute;
  left: 0;
}

.navbar-toggler span::before { top: -7px; }
.navbar-toggler span::after { top: 7px; }

.home-page .navbar:not(.navbar-scrolled) .navbar-toggler span,
.home-page .navbar:not(.navbar-scrolled) .navbar-toggler span::before,
.home-page .navbar:not(.navbar-scrolled) .navbar-toggler span::after {
  background: #fff;
}

.hero-slider {
  position: relative;
  height: 100vh;
  overflow: hidden;
  background: #0a1c3e;
}

.carousel-inner,
.carousel-item {
  height: 100%;
}

.carousel-item {
  display: none;
  position: relative;
  background-size: cover;
  background-position: center;
}

.carousel-item.active { display: block; }

.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  background: #0a1c3e;
}

.slider-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background: rgba(0, 0, 0, 0.42);
  padding: 0 20px;
}

.slider-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.slider-subtitle {
  margin: 18px auto 28px;
  max-width: 720px;
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.92);
}

.slider-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-visual + .slider-content { position: relative; z-index: 1; background: transparent; }

.visual-soft { background:
  radial-gradient(1200px 600px at 20% 20%, rgba(0, 180, 255, 0.28), transparent 50%),
  radial-gradient(900px 500px at 80% 70%, rgba(0, 90, 200, 0.35), transparent 45%),
  linear-gradient(135deg, #071428 0%, #0b2a55 50%, #06101f 100%);
}

.visual-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 180, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 255, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, #000 30%, transparent 80%);
}

.visual-green { background:
  radial-gradient(900px 500px at 70% 30%, rgba(46, 204, 113, 0.22), transparent 50%),
  linear-gradient(135deg, #062418 0%, #0a3a2a 45%, #071428 100%);
}

.visual-cyan { background:
  radial-gradient(800px 480px at 30% 70%, rgba(0, 230, 216, 0.22), transparent 50%),
  linear-gradient(160deg, #041526 0%, #0a3d55 55%, #07101c 100%);
}

.visual-purple { background:
  radial-gradient(800px 480px at 75% 25%, rgba(155, 89, 255, 0.25), transparent 50%),
  linear-gradient(135deg, #14082a 0%, #1c1458 50%, #07101c 100%);
}

.visual-gold { background:
  radial-gradient(800px 480px at 50% 20%, rgba(255, 196, 80, 0.18), transparent 50%),
  linear-gradient(135deg, #1a1408 0%, #2a220e 40%, #07101c 100%);
}

.carousel-indicators {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 72px;
  display: flex;
  justify-content: center;
  gap: 10px;
  z-index: 3;
}

.carousel-indicators button {
  width: 10px;
  height: 10px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
}

.carousel-indicators button.active { background: #fff; }

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 134, 255, 0.35);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  z-index: 3;
}

.carousel-control:hover { background: rgba(0, 134, 255, 0.55); }
.carousel-control.prev { left: 20px; }
.carousel-control.next { right: 20px; }

.section { padding: 72px 0; }
.bg-light { background: var(--light-color); }
.bg-white { background: #fff; }

.section-head { text-align: center; margin-bottom: 36px; }

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--dark-color);
  position: relative;
  display: inline-block;
  margin-bottom: 18px;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 3px;
}

.section-subtitle {
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto;
}

.page-header {
  padding: 72px 0 56px;
  background: linear-gradient(135deg, #f5f7fa 0%, #e4edf9 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle, rgba(0, 134, 255, 0.14) 0%, transparent 70%);
}

.page-header .container { position: relative; z-index: 1; }

.page-title {
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--dark-color);
}

.page-title::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  margin: 16px auto 0;
  border-radius: 2px;
  background: linear-gradient(to right, var(--primary-color), #0066cc);
}

.page-subtitle {
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.1rem;
}

.case-grid,
.card-grid,
.feature-grid,
.blog-grid,
.service-grid {
  display: grid;
  gap: 24px;
}

.case-grid { grid-template-columns: repeat(3, 1fr); }
.feature-grid { grid-template-columns: repeat(2, 1fr); }
.card-grid,
.service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.blog-grid { grid-template-columns: repeat(2, 1fr); }

.case-card,
.feature-card,
.capability-card,
.blog-card,
.service-card,
.info-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  color: inherit;
}

.case-card:hover,
.capability-card:hover,
.blog-card:hover,
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.1);
}

.case-cover,
.blog-cover,
.datav-cover {
  height: 190px;
  position: relative;
  overflow: hidden;
  background: #0b1b3a;
}

.case-cover img,
.blog-cover img,
.datav-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cover-agri { background:
  linear-gradient(160deg, rgba(7, 40, 24, 0.2), rgba(7, 20, 40, 0.35)),
  radial-gradient(circle at 70% 30%, #3dd68c, transparent 40%),
  linear-gradient(135deg, #0b3b2a, #123b55);
}

.cover-scenic { background:
  linear-gradient(160deg, rgba(7, 20, 40, 0.15), rgba(7, 20, 40, 0.4)),
  radial-gradient(circle at 30% 40%, #2ec7ff, transparent 42%),
  linear-gradient(135deg, #0a2748, #12325a);
}

.cover-ai { background:
  linear-gradient(160deg, rgba(20, 8, 40, 0.2), rgba(7, 20, 40, 0.4)),
  radial-gradient(circle at 60% 30%, #7c6bff, transparent 40%),
  linear-gradient(135deg, #1b1450, #12325a);
}

.cover-edu { background: linear-gradient(135deg, #0d3b66, #1a7bb8); }
.cover-shop { background: linear-gradient(135deg, #4b1d6b, #8e44ad); }
.cover-3d { background: linear-gradient(135deg, #0b1b3a, #1f6feb); }
.cover-open { background: linear-gradient(135deg, #1f2937, #374151); }
.cover-gov { background: linear-gradient(135deg, #12355b, #1d6fa3); }
.cover-city { background: linear-gradient(135deg, #0b2a4a, #1482c8); }
.cover-health { background: linear-gradient(135deg, #0f4c5c, #25a18e); }
.cover-finance { background: linear-gradient(135deg, #1b2a4a, #3d5af1); }
.cover-industry { background: linear-gradient(135deg, #2c1810, #c47a2c); }

.cover-panel {
  position: absolute;
  inset: 22px 18px auto;
  height: 118px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(8, 18, 36, 0.45);
  backdrop-filter: blur(6px);
  padding: 12px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 10px;
}

.mini-bar,
.mini-donut,
.mini-map {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.mini-bar {
  background-image: repeating-linear-gradient(
    90deg,
    rgba(0, 200, 255, 0.75) 0 8px,
    transparent 8px 16px
  );
  background-size: 100% 40%;
  background-repeat: no-repeat;
  background-position: bottom;
}

.mini-donut {
  background:
    radial-gradient(circle at center, transparent 42%, rgba(0, 180, 255, 0.9) 43% 62%, transparent 63%),
    rgba(255, 255, 255, 0.05);
}

.case-body,
.blog-body,
.service-card,
.capability-card { padding: 20px 22px 22px; }

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: #e8f3ff;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.case-card h3,
.blog-card h3,
.capability-card h3,
.service-card h3 { font-size: 1.15rem; margin-bottom: 8px; color: #1f2937; }

.case-card p,
.blog-card p,
.capability-card p,
.service-card p,
.feature-card p { color: #667085; font-size: 0.95rem; }

.more-wrap { text-align: center; margin-top: 32px; }

.feature-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  align-items: flex-start;
}

.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  flex: 0 0 48px;
  display: grid;
  place-items: center;
  background: #e8f3ff;
  color: var(--primary-color);
  font-size: 20px;
}

.capability-card .icon-box,
.service-card .icon-box { margin-bottom: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.chip {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #475569;
}

.stats-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: #fff;
  padding: 48px 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
  gap: 16px;
}

.stat-item h2 {
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
}

.stat-item p { color: rgba(255, 255, 255, 0.9); font-size: 1.1rem; }

.footer {
  background: var(--footer);
  color: #94a3b8;
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
}

.footer h3, .footer h4 { color: #fff; margin-bottom: 18px; position: relative; }
.footer h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 30px;
  height: 2px;
  background: var(--primary-color);
}

.footer-desc { margin: 12px 0 16px; line-height: 1.8; }
.footer-links, .contact-info { list-style: none; }
.footer-links li, .contact-info li { margin-bottom: 12px; }
.footer-links a, .contact-info a { color: #94a3b8; }
.footer-links a:hover, .contact-info a:hover { color: #fff; }
.contact-info i { color: var(--primary-color); width: 20px; margin-right: 8px; }

.footer-bottom {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: #64748b;
  font-size: 0.875rem;
  text-align: center;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 28px;
}

.filter-bar button {
  border: 1px solid #dbe4ef;
  background: #fff;
  color: #475569;
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
}

.filter-bar button.active,
.filter-bar button:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}

.is-hidden { display: none !important; }

.timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 28px;
  height: 2px;
  background: #d7e6f7;
}

.time-item { text-align: center; position: relative; padding-top: 8px; }
.time-dot {
  width: 16px;
  height: 16px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--primary-color);
  box-shadow: 0 0 0 6px #e8f3ff;
  position: relative;
  z-index: 1;
}
.time-item h4 { color: var(--primary-color); margin-bottom: 6px; }
.time-item p { color: #667085; font-size: 0.92rem; }

.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.process-item {
  background: #fff;
  border-radius: 14px;
  padding: 22px 16px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.process-no {
  width: 42px;
  height: 42px;
  margin: 0 auto 12px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #e8f3ff;
  color: var(--primary-color);
  font-weight: 700;
}

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

.info-card { padding: 28px; text-align: center; }
.info-card .icon-box { margin: 0 auto 12px; }

.cta-band {
  background: linear-gradient(135deg, #0b2a55, #0086ff);
  color: #fff;
  text-align: center;
  padding: 56px 0;
}

.cta-band h2 { color: #fff; margin-bottom: 10px; }
.cta-band p { color: rgba(255, 255, 255, 0.88); margin-bottom: 22px; }

.article {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border-radius: 18px;
  padding: 36px 40px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
}

.article h2 { margin: 28px 0 12px; font-size: 1.35rem; }
.article p, .article li { color: #475569; margin-bottom: 12px; }
.article ul { padding-left: 20px; margin-bottom: 16px; }

.module-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 24px;
}

.detail-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.kpi {
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.kpi strong { display: block; font-size: 1.8rem; color: var(--primary-color); }

@media (max-width: 992px) {
  .case-grid,
  .blog-grid,
  .card-grid,
  .service-grid,
  .timeline,
  .process,
  .contact-box,
  .stats-row,
  .kpi-row,
  .footer-grid,
  .detail-hero {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  body { padding-top: 70px; }
  .brand-text { font-size: 0.92rem; }
  .navbar-toggler { display: grid; place-items: center; }
  .navbar-collapse {
    display: none;
    position: absolute;
    top: 100%;
    left: 16px;
    right: 16px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
  }
  .navbar-collapse.show { display: flex; }
  .navbar-nav { flex-direction: column; align-items: stretch; }
  .nav-link { margin: 0; padding: 12px 0; border-bottom: 1px solid #f1f5f9; }
  .nav-link::after { display: none !important; }
  .btn-consult { margin: 12px 0 0; width: 100%; }
  .home-page .navbar:not(.navbar-scrolled) .navbar-collapse { background: rgba(0, 0, 0, 0.86); }
  .home-page .navbar:not(.navbar-scrolled) .navbar-collapse .nav-link,
  .home-page .navbar:not(.navbar-scrolled) .navbar-collapse .nav-link.active { color: #fff; }
  .hero-slider { height: 100svh; }
  .carousel-control { display: none; }
  .case-grid,
  .blog-grid,
  .feature-grid,
  .card-grid,
  .service-grid,
  .timeline,
  .process,
  .contact-box,
  .stats-row,
  .kpi-row,
  .footer-grid,
  .detail-hero { grid-template-columns: 1fr; }
  .article { padding: 24px 18px; }
  .stat-item h2 { font-size: 2.2rem; }
}

.beian-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.beian-link:hover {
  color: rgba(246, 241, 232, 0.72);
}