:root {
  color-scheme: light;
  --ink: #18252d;
  --muted: #61717a;
  --line: #dfe7e8;
  --paper: #ffffff;
  --canvas: #f3f7f6;
  --accent: #0f766e;
  --accent-soft: #e4f2ef;
  --warning: #fff5d9;
}

* { box-sizing: border-box; }

html { background: var(--canvas); }

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

a { color: var(--accent); }

.legal-header {
  border-bottom: 1px solid rgba(223, 231, 232, .9);
  background: rgba(255, 255, 255, .92);
}

.header-inner, .legal-main {
  width: min(100% - 32px, 920px);
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .01em;
  text-decoration: none;
}

.brand span {
  margin-left: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 14px;
}

.legal-nav a { text-decoration: none; }
.legal-nav a[aria-current="page"] { color: var(--ink); font-weight: 700; }

.legal-main { padding: 48px 0 72px; }

.legal-document {
  padding: clamp(26px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 12px 32px rgba(24, 37, 45, .05);
}

.document-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

article h1 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.25;
}

article h2 {
  margin: 42px 0 14px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 24px;
  line-height: 1.35;
}

article h3 {
  margin: 30px 0 10px;
  font-size: 18px;
  line-height: 1.45;
}

article p { margin: 12px 0; }
article ul, article ol { margin: 10px 0 18px; padding-left: 1.5em; }
article li { margin: 4px 0; }
article hr { margin: 30px 0; border: 0; border-top: 1px solid var(--line); }

article table {
  width: 100%;
  margin: 18px 0 24px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.65;
}

.table-scroll { overflow-x: auto; }

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

article th { background: var(--accent-soft); font-weight: 700; }
article blockquote { margin: 18px 0; padding: 10px 16px; border-left: 3px solid var(--accent); background: var(--accent-soft); }

.placeholder {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--warning);
}

.legal-footer {
  padding: 0 16px 32px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 640px) {
  .header-inner { align-items: flex-start; flex-direction: column; justify-content: center; padding: 14px 0; }
  .legal-main { width: min(100% - 20px, 920px); padding-top: 20px; }
  .legal-document { padding: 24px 18px; }
  article h2 { margin-top: 32px; padding-top: 18px; font-size: 21px; }
  article table { display: block; overflow-x: auto; white-space: normal; }
  article th, article td { min-width: 130px; }
}