body {
  background-color: #111;
  color: #eee;
  font-family: Arial, sans-serif;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  border-bottom: 1px solid #444;
  padding-bottom: 5px;
}

.policy-content {
  background: #111;
  margin: 100px 5vw;
}

.policy-content p {
  font-size: 16px;
  line-height: 1.65; /* 稍高一点，更易读 */
  color: #ddd;
  max-width: 700px; /* 控制行宽，太宽阅读费力 */
  margin: 0 auto 1.2em; /* 段落间距 */
}