/* ===== PurlChat 法律页面样式（隐私政策 / 服务条款，深色风格，支持长页滚动） ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0b0e14;
  --bg-panel: rgba(21,26,35,.72);
  --bg-card: rgba(28,35,48,.6);
  --text: #e8edf5;
  --text-dim: #8b95a7;
  --accent: #6c7ff8;
  --green: #3ddc84;
  --danger: #ff5a5a;
  --glass-border: rgba(255,255,255,.08);
}

html, body { min-height: 100%; }
body {
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(108,127,248,.16) 0%, transparent 60%),
    radial-gradient(700px 500px at 0% 110%, rgba(245,138,169,.10) 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  line-height: 1.75;
}

/* 页面容器：居中窄栏，长文舒适阅读 */
.page {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

/* 顶部导航条 */
.legal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 12px;
  z-index: 10;
  margin-bottom: 28px;
}
.legal-nav .brand { font-weight: 700; letter-spacing: .5px; }
.legal-nav .brand span { color: var(--accent); }
.legal-nav .nav-links { display: flex; align-items: center; gap: 10px; }
.legal-nav a, .legal-nav button {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all .15s ease;
}
.legal-nav a:hover, .legal-nav button:hover { color: #fff; border-color: var(--glass-border); }
.legal-nav button.active { color: #fff; border-color: var(--accent); background: rgba(108,127,248,.14); }

/* 文档主体卡片 */
.document {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 36px 40px;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
@media (max-width: 560px) {
  .document { padding: 24px 18px; }
}

.document h1 {
  font-size: 26px;
  margin-bottom: 6px;
  background: linear-gradient(90deg, #fff, #aeb9ff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.document .doc-meta {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 18px;
}
.document h2 {
  font-size: 17px;
  margin: 26px 0 10px;
  color: #fff;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
}
.document h3 { font-size: 15px; margin: 18px 0 8px; color: #cdd6ff; }
.document p { margin-bottom: 10px; color: #cdd6e6; }
.document ul, .document ol { margin: 0 0 12px 22px; color: #cdd6e6; }
.document li { margin-bottom: 6px; }
.document strong { color: #fff; }
.document a { color: var(--accent); }
.document .note {
  margin: 14px 0;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(108,127,248,.10);
  border: 1px solid rgba(108,127,248,.25);
  font-size: 13.5px;
}

/* 底部版权 */
.legal-foot {
  margin-top: 26px;
  text-align: center;
  color: var(--text-dim);
  font-size: 12.5px;
}

/* 语言切换时隐藏对应区块 */
[data-lang] { display: none; }
body.zh [data-lang="zh"] { display: block; }
body.en [data-lang="en"] { display: block; }