:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #667085;
  --line: #d9dee8;
  --accent: #1f7ae0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.72;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 18px 56px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.brand {
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}

h1 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.25;
}

h2 {
  margin: 28px 0 8px;
  font-size: 19px;
  line-height: 1.35;
}

p,
ul,
ol {
  margin: 10px 0;
}

ul,
ol {
  padding-left: 22px;
}

.meta,
.footer {
  color: var(--muted);
  font-size: 14px;
}

.footer {
  margin-top: 22px;
}

.site-footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 14px;
}

.site-footer a {
  color: var(--muted);
}

.site-footer .public-security-record {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.site-footer .public-security-record img {
  width: 18px;
  height: 20px;
  display: block;
}

.notice {
  margin: 18px 0;
  padding: 12px 14px;
  border-left: 4px solid var(--accent);
  background: #edf5ff;
  color: #1b4f8f;
}

@media (max-width: 640px) {
  .page {
    padding: 20px 12px 40px;
  }

  .card {
    padding: 20px;
  }

  h1 {
    font-size: 25px;
  }
}