:root {
  --blue: #1d4ed8;
  --blue-deep: #1e3a8a;
  --coral: #e11d48;
  --coral-soft: #fb7185;
  --sky: #eff6ff;
  --ink: #111827;
}

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

body {
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--sky);
  color: var(--ink);
  line-height: 1.75;
}

a { color: var(--blue); }

.site-header {
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(29, 78, 216, 0.08);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--blue-deep);
  font-weight: 800;
  font-size: 20px;
}

.nav a {
  text-decoration: none;
  color: #374151;
  margin-left: 18px;
  font-size: 14px;
  font-weight: 600;
}

.nav a.current { color: var(--coral); }

.hero {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue) 60%, #3b82f6);
  color: #fff;
  padding: 72px 20px 56px;
  min-height: 420px;
}

.hero-inner { max-width: 1080px; margin: 0 auto; }

.hero h1 {
  font-size: 36px;
  line-height: 1.3;
  max-width: 760px;
  margin-bottom: 16px;
}

.hero p { max-width: 680px; margin-bottom: 10px; color: #dbeafe; }

.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.btn {
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 16px;
  font-weight: 800;
}

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

.btn-white { background: #fff; color: var(--blue-deep); }

.wrap { max-width: 1080px; margin: 0 auto; padding: 40px 20px 72px; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 16px 0 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 16px 0 28px;
}

.card {
  background: #fff;
  border-radius: 20px;
  padding: 22px 20px;
  box-shadow: 0 10px 30px rgba(30, 58, 138, 0.08);
}

.card h2 {
  font-size: 18px;
  color: var(--blue-deep);
  margin-bottom: 10px;
}

.card p { font-size: 15px; color: #374151; }

.block { margin: 28px 0; }

.block h2 {
  font-size: 26px;
  color: var(--blue-deep);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 4px solid var(--coral);
  display: inline-block;
}

.block p { margin-bottom: 12px; }

.dl-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}

.dl-bar a {
  background: #fff;
  color: var(--blue-deep);
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 14px;
  border: 2px solid #bfdbfe;
  font-weight: 700;
}

.dl-bar a:hover { border-color: var(--coral); color: var(--coral); }

table { width: 100%; border-collapse: collapse; margin: 12px 0 18px; background: #fff; border-radius: 12px; overflow: hidden; }

th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #e5e7eb; }

th { background: #dbeafe; color: var(--blue-deep); }

.faq-item { background: #fff; border-radius: 14px; padding: 14px 16px; margin-bottom: 10px; }

.faq-item h3 { color: var(--coral); font-size: 16px; margin-bottom: 6px; }

.site-footer {
  background: var(--blue-deep);
  color: #bfdbfe;
  padding: 28px 20px 36px;
  font-size: 13px;
  line-height: 1.7;
}

.footer-inner { max-width: 1080px; margin: 0 auto; }

.footer-nav a { color: var(--coral-soft); margin-right: 12px; }

.safe-line { color: #fecdd3; margin: 8px 0; }

@media (max-width: 800px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .hero { min-height: 0; padding: 40px 16px; }
  .hero h1 { font-size: 26px; }
  .header-inner { flex-direction: column; gap: 8px; }
}