:root {
  --deep-blue: #062a4c;
  --blue-2: #0d4775;
  --pearl: #f8fbfd;
  --ink: #15191f;
  --silver: #d9e2e8;
  --muted: #687683;
  --gold: #d99a2b;
  --card: rgba(255, 255, 255, 0.82);
  --line: rgba(8, 45, 76, 0.13);
  --shadow: 0 18px 46px rgba(8, 32, 54, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #f8fbfd 0%, #eef4f8 45%, #ffffff 100%);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

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

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

.container {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.kjjiaoyu-govcn {
  outline: 1px solid transparent;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 251, 253, 0.88);
  border-bottom: 1px solid rgba(6, 42, 76, 0.08);
  backdrop-filter: blur(16px);
  transition: box-shadow 0.2s ease, background 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(248, 251, 253, 0.96);
  box-shadow: 0 10px 32px rgba(6, 42, 76, 0.12);
}

.nav-wrap {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--deep-blue);
}

.brand img,
.footer-brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.site-nav a {
  padding: 9px 13px;
  border-radius: 8px;
  color: #334556;
  font-size: 0.95rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  background: rgba(6, 42, 76, 0.08);
  color: var(--deep-blue);
}

.nav-action,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.nav-action,
.btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--deep-blue), var(--gold));
  box-shadow: 0 14px 26px rgba(6, 42, 76, 0.18);
}

.btn.secondary {
  color: var(--deep-blue);
  background: #fff;
  border: 1px solid var(--line);
}

.nav-action:hover,
.btn:hover {
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--deep-blue);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 70px;
  background:
    linear-gradient(135deg, rgba(6, 42, 76, 0.96), rgba(13, 71, 117, 0.86)),
    radial-gradient(circle at 80% 20%, rgba(217, 154, 43, 0.18), transparent 34%);
  color: #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0;
  font-size: 0.86rem;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
  line-height: 1.35;
}

.hero-copy p {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.83);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 520px;
}

.hero-metrics div {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics strong {
  display: block;
  font-size: 1.45rem;
}

.hero-metrics span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
}

.hero-panel {
  position: relative;
}

.hero-panel img,
.image-frame img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.panel-stack {
  position: absolute;
  right: 18px;
  bottom: -26px;
  display: grid;
  gap: 10px;
  width: min(280px, 72%);
}

.panel-stack article {
  padding: 13px 16px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--deep-blue);
  box-shadow: 0 12px 28px rgba(6, 42, 76, 0.16);
}

.panel-stack span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.section {
  padding: 78px 0;
}

.section-title {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-title.compact {
  margin-bottom: 20px;
}

.section-note {
  color: var(--muted);
  max-width: 640px;
}

.overview-band {
  background:
    linear-gradient(180deg, #ffffff 0%, #f2f7fa 100%);
}

.overview-grid,
.step-grid,
.news-row,
.news-grid,
.service-mosaic {
  display: grid;
  gap: 18px;
}

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

.content-card,
.feature-card,
.step-card,
.news-card,
.service-card,
.hub-side article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  box-shadow: 0 12px 34px rgba(8, 32, 54, 0.08);
}

.content-card,
.feature-card,
.step-card,
.news-card,
.service-card {
  padding: 24px;
}

.node-mark,
.step-card span,
.service-card span,
.hub-side span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 28px;
  margin-bottom: 14px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--deep-blue);
  background: rgba(217, 154, 43, 0.16);
  font-weight: 800;
  font-size: 0.82rem;
}

.content-card p,
.feature-card p,
.step-card p,
.news-card p,
.service-card p,
.hub-side p {
  color: var(--muted);
  margin-bottom: 0;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1fr);
  gap: 46px;
  align-items: center;
}

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

.content-hub {
  background:
    linear-gradient(135deg, rgba(6, 42, 76, 0.05), rgba(217, 154, 43, 0.08));
}

.hub-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.56fr);
  gap: 18px;
}

.hub-main {
  display: grid;
  grid-template-columns: minmax(260px, 0.88fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.hub-main img {
  border-radius: 8px;
  min-height: 260px;
  object-fit: cover;
}

.text-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--deep-blue);
  font-weight: 800;
}

.hub-side {
  display: grid;
  gap: 14px;
}

.hub-side article {
  padding: 20px;
}

.city-flow {
  color: #fff;
  background:
    linear-gradient(135deg, var(--ink), var(--deep-blue));
}

.city-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1fr);
  gap: 36px;
  align-items: center;
}

.city-flow .section-note {
  color: rgba(255, 255, 255, 0.76);
}

.city-card-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.city-card-wall article {
  min-height: 134px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
}

.city-card-wall span {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.82rem;
}

.city-card-wall strong {
  display: block;
  margin-top: 28px;
  font-size: 1.08rem;
}

.step-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

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

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

.news-card time {
  display: block;
  color: var(--gold);
  font-weight: 800;
  margin-bottom: 12px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  color: var(--deep-blue);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  text-align: left;
}

.faq-answer {
  display: none;
  padding: 0 20px 18px;
  color: var(--muted);
}

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

.page-hero {
  padding: 64px 0 70px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(6, 42, 76, 0.95), rgba(13, 71, 117, 0.86));
}

.page-hero h1 {
  max-width: 780px;
}

.page-hero p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.92rem;
}

.breadcrumb a::after {
  content: "/";
  margin-left: 10px;
  color: rgba(255, 255, 255, 0.42);
}

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

.site-footer {
  padding: 44px 0;
  color: rgba(255, 255, 255, 0.78);
  background: #0c1720;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1.2fr;
  gap: 32px;
  align-items: start;
}

.footer-brand {
  color: #fff;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px 16px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.76);
}

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

.footer-records p {
  margin-bottom: 8px;
}

.police-record {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.police-record img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: var(--deep-blue);
  box-shadow: 0 10px 26px rgba(6, 42, 76, 0.24);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 980px) {
  .nav-wrap {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 18px;
    right: 18px;
    top: 70px;
    display: none;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
  }

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

  .nav-action {
    display: none;
  }

  .hero-grid,
  .split-grid,
  .hub-layout,
  .hub-main,
  .city-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .hero,
  .section,
  .page-hero {
    padding: 54px 0;
  }

  .hero-grid {
    gap: 34px;
  }

  .hero-metrics,
  .overview-grid,
  .step-grid,
  .news-row,
  .news-grid,
  .service-mosaic,
  .city-card-wall {
    grid-template-columns: 1fr;
  }

  .panel-stack {
    position: static;
    width: 100%;
    margin-top: 12px;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}