:root {
  --blue-900: #002a5c;
  --blue-800: #003c8f;
  --blue-600: #0079c3;
  --blue-100: #e8f1ff;
  --gold: #f5b544;
  --text-main: #142133;
  --text-sub: #5a6579;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text-main);
  background-color: #f5f7fb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(140deg, #f5f8ff 0%, #fdfefe 50%, #eef4ff 100%);
}

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

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.container {
  width: min(1180px, 94vw);
  margin: 0 auto;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 42, 92, 0.08);
}

.top-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-mark {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(140deg, var(--blue-900), var(--blue-600));
  color: #fff;
  font-weight: 600;
  font-size: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.logo-text strong {
  display: block;
  font-size: 18px;
}

.logo-text small {
  color: var(--text-sub);
  font-size: 12px;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 28px;
  padding: 0;
  margin: 0;
  font-size: 15px;
}

.nav-list a {
  color: var(--text-main);
  font-weight: 500;
}

.nav-cta {
  border: 1px solid var(--blue-600);
  background: var(--blue-600);
  color: #fff;
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
}

.hero {
  padding: 48px 0 32px;
  background: radial-gradient(circle at 20% 20%, rgba(0, 121, 195, 0.15), transparent 60%),
    #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.eyebrow {
  color: var(--blue-600);
  font-weight: 600;
  letter-spacing: 2px;
  font-size: 13px;
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(32px, 4vw, 48px);
  margin: 0;
  line-height: 1.2;
  color: var(--blue-900);
}

.lead {
  margin: 20px 0 24px;
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.7;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.chip {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(0, 121, 195, 0.08);
  color: var(--blue-600);
  font-size: 13px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 160ms ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(120deg, var(--blue-600), var(--blue-800));
  color: #fff;
}

.btn-ghost {
  border-color: rgba(0, 121, 195, 0.3);
  color: var(--blue-600);
  background: #fff;
}

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

.hero-panel {
  background: linear-gradient(160deg, var(--blue-900), var(--blue-600));
  border-radius: 26px;
  color: #fff;
  padding: 32px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 40px 80px rgba(0, 42, 92, 0.18);
}

.hero-panel h3 {
  margin: 0;
  font-size: 22px;
}

.hero-panel p {
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-top: auto;
}

.stats div {
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
}

.stats strong {
  display: block;
  font-size: 22px;
}

.section-title {
  font-size: 28px;
  margin-bottom: 12px;
  color: var(--blue-900);
}

.section-sub {
  color: var(--text-sub);
  margin-bottom: 28px;
  font-size: 15px;
}

.quick-links {
  padding-bottom: 12px;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
}

.quick-card {
  background: #fff;
  border-radius: 18px;
  padding: 18px;
  border: 1px solid rgba(0, 42, 92, 0.08);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: box-shadow 200ms ease, transform 200ms ease;
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(8, 36, 84, 0.1);
}

.quick-desc {
  color: var(--text-sub);
  font-size: 14px;
}

.quick-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 121, 195, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
  font-weight: 600;
}

.modules {
  padding: 16px 0 12px;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.module-card {
  border-radius: 24px;
  padding: 26px;
  color: #fff;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.module-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='320' height='220' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='280' cy='40' r='110' fill='%23ffffff0f'/%3E%3Ccircle cx='60' cy='200' r='120' fill='%23ffffff0d'/%3E%3C/svg%3E")
    no-repeat bottom right / cover;
  opacity: 0.8;
}

.module-card > * {
  position: relative;
  z-index: 1;
}

.module-title {
  margin: 0;
}

.contact-desc {
  margin: 0;
  color: var(--text-sub);
  line-height: 1.6;
}

.module-type {
  font-size: 14px;
  letter-spacing: 1px;
  opacity: 0.9;
}

.module-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.module-link {
  margin-top: auto;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.module-card:nth-child(1) {
  background: linear-gradient(150deg, #002a5c, #0058a9);
}

.module-card:nth-child(2) {
  background: linear-gradient(150deg, #0b4c91, #1590d8);
}

.module-card:nth-child(3) {
  background: linear-gradient(150deg, #13315c, #4158a6);
}

.module-card:nth-child(4) {
  background: linear-gradient(150deg, #1d3b72, #a44ae4);
}

.module-card:nth-child(5) {
  background: linear-gradient(150deg, #012a4a, #057a55);
}

.module-card.theme-agents {
  background: linear-gradient(150deg, #040812, #281f63 45%, #6b2bda 75%, #19d3c5);
  border: 1px solid rgba(112, 188, 255, 0.2);
  box-shadow: 0 25px 60px rgba(7, 13, 35, 0.6);
}

.module-card.theme-agents::after {
  background: url("data:image/svg+xml,%3Csvg width='320' height='220' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop stop-color='%23ffffff' stop-opacity='0.18'/%3E%3Cstop offset='1' stop-color='%23ffffff' stop-opacity='0'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='320' height='220' fill='url(%23g)'/%3E%3Ccircle cx='280' cy='40' r='110' fill='%23ffffff15'/%3E%3C/svg%3E")
    no-repeat bottom right / cover;
  opacity: 1;
}

.module-card.theme-agents .module-type {
  color: rgba(255, 255, 255, 0.9);
}

.contact {
  padding: 16px 0 48px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.contact-card {
  background: #fff;
  border-radius: 24px;
  padding: 28px;
  border: 1px solid rgba(0, 42, 92, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-address {
  margin-top: 16px;
}

.contact-card strong {
  font-size: 18px;
  color: var(--blue-900);
}

.footer {
  background: #06142a;
  color: rgba(255, 255, 255, 0.8);
  padding: 32px 0 26px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}

.footer .logo-mark {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.footer small {
  color: rgba(255, 255, 255, 0.6);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

.footer-bottom {
  margin-top: 28px;
  font-size: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 18px;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 720px) {
  .nav-list {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    order: -1;
  }
}