:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --ink: #1b2430;
  --muted: #5e6b7a;
  --brand: #0052cc;
  --brand-dark: #003e99;
  --line: #d9e1ec;
  --radius: 14px;
  --shadow: 0 10px 28px rgba(10, 37, 64, 0.08);
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", Arial, "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}

a {
  color: inherit;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.topbar {
  background: #0b1d35;
  color: #d7e0ea;
  font-size: 13px;
}

.topbar .container {
  padding-top: 8px;
  padding-bottom: 8px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

header.site-header {
  background: #10294a;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  text-decoration: none;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand small {
  display: block;
  font-size: 11px;
  color: #b7c7db;
  font-weight: 500;
  margin-top: 2px;
}

nav.main-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav.main-nav a {
  text-decoration: none;
  color: #d8e6f9;
  font-size: 15px;
  padding: 8px 10px;
  border-radius: 8px;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 600;
  font-size: 15px;
}

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

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-outline {
  border: 1px solid #c2d2e8;
  color: #dce8f8;
}

.hero {
  background: linear-gradient(136deg, #0f2544 0%, #193c69 100%);
  color: #fff;
  padding: 68px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 26px;
  align-items: center;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.18;
}

.hero p.lead {
  color: #d8e2f1;
  margin: 0 0 24px;
  max-width: 56ch;
}

.hero-meta {
  margin-bottom: 14px;
  color: #b9cbe2;
  font-size: 14px;
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  padding: 20px;
}

.hero-card h3 {
  margin: 0 0 12px;
  font-size: 19px;
}

.hero-card ul {
  margin: 0;
  padding-left: 18px;
}

main section {
  padding: 56px 0;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0 0 8px;
  font-size: 33px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 21px;
}

.card p,
.card li {
  color: var(--muted);
}

.card ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.kpi {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

.kpi .num {
  font-size: 28px;
  font-weight: 700;
  color: #0f3263;
}

.kpi .label {
  font-size: 13px;
  color: var(--muted);
}

.media-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: center;
}

.media-block img,
.hero-visual img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e9f0fb;
  color: #19406f;
}

.cta-band {
  background: #0f2748;
  color: #fff;
}

.cta-band .inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

footer {
  background: #0a1626;
  color: #b7c4d6;
  padding: 32px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 20px;
}

.footer-grid h4 {
  margin: 0 0 10px;
  color: #fff;
}

.footer-grid ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-grid li {
  margin-bottom: 8px;
}

.footer-grid a {
  text-decoration: none;
  color: #c9d7ea;
}

.copyright {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
}

.page-hero {
  background: #14345f;
  color: #fff;
  padding: 44px 0;
}

.page-hero h1 {
  margin: 0 0 8px;
  font-size: 40px;
}

.page-hero p {
  margin: 0;
  color: #d4e1f0;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.module {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.module .head {
  padding: 16px 18px;
  background: #eef4fc;
  border-bottom: 1px solid var(--line);
}

.module .head h3 {
  margin: 0;
  font-size: 20px;
}

.module .body {
  padding: 18px;
}

.module h4 {
  margin: 14px 0 6px;
  font-size: 14px;
  color: #1f3d66;
  letter-spacing: 0.3px;
}

.module ul {
  margin: 0;
  padding-left: 18px;
}

.module li {
  color: var(--muted);
}

.legal-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.legal-wrap h2 {
  margin-top: 26px;
}

.legal-wrap h2:first-of-type {
  margin-top: 0;
}

.img-caption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}

@media (max-width: 980px) {
  .hero-grid,
  .media-block,
  .cards,
  .module-grid,
  .footer-grid,
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  nav.main-nav ul {
    gap: 8px;
  }
}