:root {
  color-scheme: light dark;
  --bg: #f6fafe;
  --surface: #ffffff;
  --text: #1a2b3c;
  --text-muted: #5a6b7c;
  --border: #d8e3ef;
  --link: #1b407d;
  --accent: #061b2a;
}

html.theme-light {
  color-scheme: light;
}

html.theme-dark {
  color-scheme: dark;
  --bg: #061b2a;
  --surface: #0b2435;
  --text: #e8f1f8;
  --text-muted: #a8bdd0;
  --border: #1e3a52;
  --link: #7ec8ff;
  --accent: #d3f3ff;
}

@media (prefers-color-scheme: dark) {
  html.theme-system {
    color-scheme: dark;
    --bg: #061b2a;
    --surface: #0b2435;
    --text: #e8f1f8;
    --text-muted: #a8bdd0;
    --border: #1e3a52;
    --link: #7ec8ff;
    --accent: #d3f3ff;
  }
}

@media (prefers-color-scheme: light) {
  html.theme-system {
    color-scheme: light;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

.legal-shell {
  min-height: 100vh;
  padding: 24px 16px 48px;
}

.legal-card {
  max-width: 920px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px 36px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.legal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.legal-brand {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.legal-content h1,
.legal-content h2,
.legal-content h3 {
  color: var(--text);
  line-height: 1.35;
}

.legal-content h1 {
  font-size: 28px;
  text-align: center;
  margin: 0 0 24px;
}

.legal-content h2 {
  font-size: 18px;
  margin: 28px 0 12px;
}

.legal-content h3 {
  font-size: 16px;
  margin: 20px 0 10px;
}

.legal-content p,
.legal-content li {
  margin: 0 0 12px;
  font-size: 15px;
}

.legal-content ul,
.legal-content ol {
  margin: 0 0 16px 20px;
  padding: 0;
}

.legal-content a {
  color: var(--link);
  word-break: break-all;
}

.legal-content strong,
.legal-content b {
  color: var(--text);
}

/* SDK 清单等表格 */
.legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 16px;
  font-size: 14px;
  display: block;
  overflow-x: auto;
}

.legal-content th,
.legal-content td {
  border: 1px solid var(--border, rgba(127, 127, 127, 0.35));
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.legal-content th {
  font-weight: 600;
  white-space: nowrap;
}

/* Legacy Word-export markup compatibility */
.legal-content span,
.legal-content p,
.legal-content div {
  background: transparent !important;
  color: inherit !important;
  font-family: inherit !important;
}

.legal-content > div {
  width: auto !important;
  margin: 0 !important;
  padding: 0 !important;
}

.legal-cta {
  margin: 0 0 28px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(27, 64, 125, 0.08), rgba(46, 196, 214, 0.08));
}

.legal-cta-title {
  margin: 0 0 8px;
  font-size: 18px;
}

.legal-cta-body {
  margin: 0 0 14px;
  color: var(--text-muted);
  font-size: 14px;
}

.legal-cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 10px;
  background: #1b407d;
  color: #fff !important;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.legal-cta-button:hover {
  opacity: 0.92;
}

.legal-footer {
  max-width: 920px;
  margin: 16px auto 0;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .legal-card {
    padding: 20px 16px 28px;
    border-radius: 12px;
  }

  .legal-content h1 {
    font-size: 22px;
  }
}