/**
 * Folia 协议页共用样式（隐私政策 / 用户服务协议 / 协议入口页）
 * 部署方式：与 HTML 一起平铺上传至 AGC 云托管站点根目录。
 */
:root {
  color-scheme: light dark;
  --fg: rgba(0, 0, 0, 0.9);
  --fg-secondary: rgba(0, 0, 0, 0.6);
  --bg: #ffffff;
  --accent: #0a59f7;
  --card-bg: #f4f6fb;
  --card-border: rgba(10, 89, 247, 0.12);
  --line: rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: rgba(255, 255, 255, 0.9);
    --fg-secondary: rgba(255, 255, 255, 0.6);
    --bg: #000000;
    --accent: #5291ff;
    --card-bg: #121212;
    --card-border: rgba(82, 145, 255, 0.24);
    --line: rgba(255, 255, 255, 0.12);
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 24px 96px;
  font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--fg);
  background: var(--bg);
  word-break: break-word;
}

/* 页头 */
.doc-header {
  text-align: center;
  margin-bottom: 40px;
}

.doc-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 12px;
}

.doc-title {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
}

.doc-meta {
  margin: 0;
  font-size: 14px;
  color: var(--fg-secondary);
}

/* 正文 */
h2 {
  margin: 40px 0 12px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
}

h3 {
  margin: 24px 0 8px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

p {
  margin: 0 0 12px;
}

ul,
ol {
  padding-left: 1.5em;
  margin: 0 0 12px;
}

li {
  margin-bottom: 6px;
}

b,
strong {
  font-weight: 600;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* 表格（权限说明、第三方服务清单） */
table {
  width: 100%;
  margin: 12px 0 20px;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

th {
  font-weight: 600;
  background: var(--card-bg);
}

/* 协议入口首页卡片 */
.doc-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.doc-card {
  display: block;
  padding: 20px 24px;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  background: var(--card-bg);
  color: var(--fg);
  text-decoration: none;
}

.doc-card:hover {
  text-decoration: none;
  filter: brightness(0.98);
}

.doc-card-title {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 6px;
}

.doc-card-desc {
  display: block;
  font-size: 14px;
  color: var(--fg-secondary);
  margin-bottom: 6px;
}

.doc-card-meta {
  display: block;
  font-size: 13px;
  color: var(--fg-secondary);
}

/* 页脚 */
.doc-footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--fg-secondary);
  text-align: center;
  line-height: 1.9;
}

.doc-footer p {
  margin: 0 0 4px;
}

@media (max-width: 480px) {
  body {
    padding: 28px 18px 72px;
  }

  table {
    font-size: 14px;
  }

  th,
  td {
    padding: 8px 10px;
  }
}