:root {
  color-scheme: light;
  --paper: #f7f5f0;
  --paper-deep: #ede7dc;
  --ink: #27231d;
  --muted: #746b5e;
  --line: #ded6c8;
  --cinnabar: #bc3f3c;
  --gold: #b08a2f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(39, 35, 29, 0.025) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(237, 231, 220, 0.7)),
    var(--paper);
  background-size: 40px 40px, auto, auto;
  font-family:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC",
    "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}

.policy-shell {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.policy-hero {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 0 0 32px;
  border-bottom: 1px solid var(--line);
}

.app-icon {
  width: 72px;
  height: 72px;
  border: 1px solid rgba(39, 35, 29, 0.12);
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(39, 35, 29, 0.12);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--cinnabar);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-family:
    "ZhuqueFangsong", "Songti SC", "Noto Serif CJK SC", "STSong", serif;
  font-weight: 500;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.15;
}

.updated {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.policy-section {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.policy-section h2 {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 1.45rem;
  line-height: 1.4;
}

.policy-section p {
  margin: 0 0 14px;
  color: var(--ink);
}

.policy-section p:last-child {
  margin-bottom: 0;
}

ul {
  margin: 0 0 14px;
  padding-left: 1.3em;
}

li {
  margin: 6px 0;
}

a {
  color: var(--cinnabar);
  text-decoration-color: rgba(188, 63, 60, 0.35);
  text-underline-offset: 4px;
}

a:hover {
  text-decoration-color: currentColor;
}

@media (max-width: 640px) {
  .policy-shell {
    width: min(100% - 24px, 880px);
    padding: 28px 0 48px;
  }

  .policy-hero {
    align-items: flex-start;
    gap: 14px;
    padding-bottom: 24px;
  }

  .app-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
  }

  .policy-section {
    padding: 24px 0;
  }
}