:root {
  color-scheme: light;
  --page-bg: #f5f6f8;
  --paper: #ffffff;
  --text: #1f2933;
  --muted: #5f6b7a;
  --line: #d9dee7;
  --accent: #175cd3;
  --code-bg: #eef2f7;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page-bg);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--page-bg);
  font-size: 16px;
  line-height: 1.75;
}

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

code {
  padding: 2px 5px;
  background: var(--code-bg);
  border-radius: 5px;
  color: var(--text);
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    monospace;
  font-size: 0.92em;
}

.policy-shell {
  width: min(100% - 32px, 880px);
  margin: 0 auto;
  padding: 48px 0;
}

.policy-page {
  padding: 48px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.policy-header {
  padding-bottom: 28px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.policy-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
  line-height: 1.35;
}

h1 {
  font-size: 34px;
}

h2 {
  margin-top: 34px;
  padding-top: 8px;
  font-size: 22px;
}

h3 {
  margin-top: 22px;
  font-size: 18px;
}

p,
ul,
ol {
  margin: 12px 0 0;
}

p,
li {
  color: var(--muted);
}

ul,
ol {
  padding-left: 1.35em;
}

strong {
  color: var(--text);
}

.policy-meta {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

.contact-box {
  margin-top: 18px;
  padding: 16px;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .policy-shell {
    width: 100%;
    padding: 0;
  }

  .policy-page {
    min-height: 100vh;
    padding: 28px 20px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 20px;
  }
}

@media print {
  html,
  body {
    background: #ffffff;
  }

  .policy-shell {
    width: 100%;
    padding: 0;
  }

  .policy-page {
    padding: 0;
    border: 0;
    box-shadow: none;
  }

  a {
    color: inherit;
    text-decoration: none;
  }
}