*, ::before, ::after {
  box-sizing: border-box;
  border: 0 solid #e5e7eb;
}

html {
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  color-scheme: light;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background-color: #f8fafc;
  color: #334155;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

p, h1, h2, h3, h4, h5, h6, figure, blockquote, hr, pre {
  margin: 0;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.policy-container {
  max-width: 760px;
  margin: 2rem auto;
  background: #ffffff;
  padding: 2.75rem 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
}

h1 {
  color: #1e293b;
  font-size: 1.65rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
}

h2 {
  color: #0f172a;
  font-weight: 600;
  font-size: 1.2rem;
  margin-top: 2rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #f1f5f9;
}

h3 {
  color: #334155;
  font-weight: 600;
  font-size: 1.05rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

.meta-info {
  text-align: center;
  color: #64748b;
  font-size: 0.875rem;
  margin-bottom: 2.25rem;
}

.highlight-box {
  background-color: #f0f9ff;
  border-left: 4px solid #0ea5e9;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  border-radius: 0.375rem;
}

.highlight-box.warn {
  background-color: #fff7ed;
  border-left-color: #f97316;
}

ul {
  list-style-type: disc;
  margin: 0 0 1rem 1.5rem;
  padding: 0;
}

li {
  margin-bottom: 0.45rem;
}

.entry-list {
  margin-top: 1.25rem;
}

.entry {
  display: block;
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  margin-bottom: 0.75rem;
  text-decoration: none;
}

.entry:hover {
  background-color: #f1f5f9;
  text-decoration: none;
}

.entry strong {
  display: block;
  color: #2563eb;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.entry span {
  color: #64748b;
  font-size: 0.875rem;
}

.nav-back {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #f1f5f9;
  text-align: center;
  font-size: 0.9rem;
  color: #64748b;
}

.nav-back a {
  margin: 0 0.5rem;
}

@media (max-width: 640px) {
  .policy-container {
    margin: 0;
    border-radius: 0;
    padding: 2rem 1.25rem;
    box-shadow: none;
  }
}