:root {
  --ink: #12313a;
  --ink-soft: #305966;
  --bg: #f1f6fb;
  --line: #cfe3f0;
  --accent: #0f7f98;
  --accent-2: #0b5a73;
  --safe: #dff5ea;
  --warning: #fff1cc;
  --content-width: min(1000px, 92vw);
  font-family: "HarmonyOS Sans", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top right, #edf5ff 0%, var(--bg) 40%, #e9f3fb 100%);
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.7; }
.site-header { background: linear-gradient(135deg, #ecf5fb, #dceff8); border-bottom: 1px solid var(--line); }
.container { width: var(--content-width); margin: 0 auto; padding: 1.1rem; }
.brand {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}
.brand img { width: 52px; height: 52px; border-radius: 12px; border: 1px solid #d8ebf4; background: #fff; }
.brand h1 { margin: 0; font-size: 1.45rem; letter-spacing: 0.03em; }
.brand p { margin: 0.2rem 0 0; color: var(--ink-soft); }
.hero {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
  align-items: stretch;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem 1.1rem;
  box-shadow: 0 12px 30px rgba(6, 52, 73, 0.08);
}
.badge {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: var(--safe);
  color: #0f744b;
  font-weight: 600;
  font-size: 0.85rem;
  margin-right: 0.35rem;
}
.kicker { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; }
.section-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1rem 0;
}
.panel {
  border: 1px dashed var(--line);
  background: #f8fcff;
  border-radius: 14px;
  padding: 0.9rem;
}
.panel h3 { margin-top: 0; color: var(--accent-2); }
.site-nav { margin-top: 0.8rem; display: flex; flex-wrap: wrap; gap: 0.45rem; }
.site-nav a {
  text-decoration: none;
  color: #07526d;
  background: #eaf4fa;
  border: 1px solid #d4e8f2;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
}
.main-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}
.content h2, .content h3 { color: #0a4152; }
.content ul { margin-top: 0.35rem; }
.content li + li { margin-top: 0.4rem; }
.ad-slot {
  margin: 1rem 0;
  border: 1px dashed #c3deef;
  border-radius: 12px;
  background: #eff8ff;
  padding: 0.6rem 0.8rem;
  min-height: 52px;
  color: #236f8f;
  width: 100%;
  box-sizing: border-box;
  display: block;
  visibility: visible;
  opacity: 1;
}
.faq-item { border-left: 3px solid var(--accent); padding-left: 0.8rem; margin: 0.9rem 0; }
.note-panel { background: #f8fff8; border-color: #cfead4; }
.footer {
  margin-top: 2rem;
  padding: 1rem 0 1.4rem;
  color: #497386;
  border-top: 1px solid #d8ebf5;
}
.footer nav { display: flex; gap: 0.7rem; flex-wrap: wrap; margin-top: 0.5rem; }
.footer a { color: #0a6682; }
.muted { color: #557785; }
.notice {
  border-radius: 12px;
  border: 1px solid #d9d7b9;
  background: var(--warning);
  padding: 0.8rem;
}
.rail {
  margin: 1rem 0;
  border-radius: 14px;
  border: 1px solid #d3e0ea;
  background: linear-gradient(180deg, #f8fbfe, #f2f8ff);
  padding: 0.9rem;
}
.hero-note img, .rail img { width: 100%; border-radius: 10px; }
@media (max-width: 880px) {
  .hero,
  .main-grid,
  .section-grid {
    grid-template-columns: 1fr;
  }
  .container { padding: .85rem; }
  .site-nav { gap: 0.35rem; }
}