:root {
  color-scheme: light;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  color: #1f2937;
  background: #f5f8fc;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; background: #f5f8fc; line-height: 1.75; }
a { color: #155eef; text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar { background: #0b3b91; color: #fff; }
.nav { max-width: 1120px; margin: 0 auto; height: 68px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 700; }
.brand img { width: 38px; height: 38px; border-radius: 10px; background: #fff; }
.navlinks { display: flex; gap: 22px; font-size: 14px; }
.navlinks a { color: #e8f0ff; }
.hero { background: linear-gradient(135deg, #0b3b91, #1769d1); color: #fff; }
.hero-inner { max-width: 1120px; margin: 0 auto; padding: 62px 24px 68px; }
.eyebrow { display: inline-block; padding: 4px 12px; border: 1px solid rgba(255,255,255,.42); border-radius: 999px; font-size: 13px; }
h1 { margin: 18px 0 12px; font-size: clamp(30px, 5vw, 46px); line-height: 1.2; letter-spacing: .01em; }
.hero p { max-width: 720px; margin: 0; color: #e8f0ff; font-size: 17px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-block; padding: 10px 18px; border-radius: 7px; background: #fff; color: #0b3b91; font-weight: 700; }
.button.secondary { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.62); }
.main { max-width: 1120px; margin: 0 auto; padding: 34px 24px 64px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card { padding: 24px; background: #fff; border: 1px solid #e4eaf3; border-radius: 12px; box-shadow: 0 8px 24px rgba(31, 63, 111, .06); }
.card h2 { margin: 0 0 9px; color: #102a56; font-size: 19px; }
.card p { margin: 0; color: #5b687a; font-size: 14px; }
.section { margin-top: 30px; padding: 28px; background: #fff; border: 1px solid #e4eaf3; border-radius: 12px; }
.section h2 { margin: 0 0 12px; color: #102a56; }
.section ul { margin: 0; padding-left: 22px; color: #526173; }
.notice { padding: 14px 16px; border-left: 4px solid #2c7be5; background: #eef5ff; color: #385271; }
.doc { max-width: 860px; margin: 34px auto 64px; padding: 34px; background: #fff; border: 1px solid #e4eaf3; border-radius: 12px; }
.doc h1 { color: #102a56; font-size: 32px; margin-top: 0; }
.doc h2 { color: #163d78; margin-top: 28px; font-size: 20px; }
.doc p, .doc li { color: #526173; }
.footer { max-width: 1120px; margin: 0 auto; padding: 22px 24px 34px; color: #7a8797; font-size: 13px; }
@media (max-width: 760px) { .navlinks { gap: 10px; font-size: 12px; } .grid { grid-template-columns: 1fr; } .hero-inner { padding-top: 42px; } .doc, .section { padding: 22px; } }