/* 协议与政策：左文档列表 / 中正文（阅读宽度）/ 右本页目录；文字为主，克制用色，可打印 */
.legal-version {
  display: grid;
  gap: 8px;
  justify-items: end;
  color: var(--muted);
  font-size: 11px;
}

.legal-badge {
  padding: 6px 10px;
  border: 1px solid var(--warning);
  border-radius: 6px;
  color: var(--warning);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.legal-badge[data-status="final"] {
  border-color: var(--success);
  color: var(--success);
}

.legal-incomplete {
  max-width: 1240px;
  margin: 0 auto 16px;
  padding: 9px 14px;
  border: 1px solid var(--warning-line);
  border-radius: 8px;
  color: var(--warning);
  background: var(--warning-soft);
  font-size: 12px;
}

.legal-layout {
  display: grid;
  max-width: 1240px;
  margin: 0 auto;
  align-items: start;
  gap: 22px;
  grid-template-columns: 240px minmax(0, 1fr) 200px;
}

/* ---------- 左：文档列表 ---------- */
.legal-tabs {
  position: sticky;
  top: calc(var(--header-height) + 20px);
  display: grid;
  gap: 4px;
}

.legal-tabs a {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--muted-strong);
}

.legal-tabs strong {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  font-size: 13px;
}

.legal-tabs strong em {
  padding: 1px 6px;
  border-radius: 999px;
  color: var(--accent-text);
  background: var(--accent-soft);
  font-size: 9.5px;
  font-style: normal;
  font-weight: 700;
}

.legal-tabs small {
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.legal-tabs a:hover {
  background: var(--surface-hover);
}

.legal-tabs a.active {
  border-color: var(--line);
  background: var(--surface);
  box-shadow: 0 6px 16px rgba(27, 29, 34, 0.06);
}

.legal-tabs a.active strong {
  color: var(--accent-text);
}

/* ---------- 中：正文 ---------- */
.legal-article {
  max-width: 820px;
  padding: 36px 44px 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  background: var(--surface);
  font-size: 14.5px;
  line-height: 1.9;
}

.legal-head {
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.legal-article .legal-title {
  margin: 0 0 8px;
  font-size: 26px;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.legal-meta {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
}

.legal-article h3 {
  margin: 36px 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 17px;
  letter-spacing: -0.01em;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.legal-article h3:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.legal-article h4 {
  margin: 22px 0 8px;
  font-size: 14.5px;
}

.legal-article p {
  margin: 0 0 12px;
  color: var(--muted-strong);
}

.legal-article blockquote {
  margin: 0 0 20px;
  padding: 12px 16px;
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  color: var(--text);
  background: var(--accent-soft);
  font-weight: 500;
}

.legal-article ul,
.legal-article ol {
  margin: 0 0 16px;
  padding-left: 26px;
  color: var(--muted-strong);
}

.legal-article ol {
  font-variant-numeric: tabular-nums;
}

.legal-article li {
  margin-bottom: 6px;
  padding-left: 2px;
}

.legal-article li::marker {
  color: var(--accent-text);
  font-weight: 700;
}

/* ---------- 右：本页目录 ---------- */
.legal-toc {
  position: sticky;
  top: calc(var(--header-height) + 20px);
  display: grid;
  gap: 10px;
}

.legal-toc[hidden] {
  display: none;
}

.legal-toc-title {
  margin: 0;
  padding: 0 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.legal-toc-list {
  display: grid;
  max-height: calc(100vh - var(--header-height) - 180px);
  gap: 2px;
  overflow: auto;
  border-left: 1px solid var(--line);
}

.legal-toc-list a {
  display: block;
  margin-left: -1px;
  padding: 5px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.legal-toc-list a:hover {
  color: var(--text);
}

.legal-toc-list a[aria-current="true"] {
  border-left-color: var(--accent);
  color: var(--accent-text);
  font-weight: 700;
}

.legal-toc-actions {
  display: grid;
  gap: 6px;
  padding: 0 10px;
}

.legal-toc-actions .secondary-action {
  min-height: 32px;
  font-size: 12px;
}

@media (max-width: 1180px) {
  .legal-layout {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .legal-toc {
    display: none;
  }
}

@media (max-width: 900px) {
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .legal-tabs {
    position: static;
    grid-template-columns: repeat(2, 1fr);
  }

  .legal-article {
    padding: 24px 20px 32px;
    font-size: 14px;
  }

  .legal-version {
    justify-items: start;
  }
}

/* 打印：只留正文 */
@media print {
  .app-header,
  .app-rail,
  .shell-footer,
  .legal-tabs,
  .legal-toc,
  .legal-incomplete,
  .help-fab,
  .toast {
    display: none !important;
  }

  .page-main {
    margin: 0;
    padding: 0;
  }

  .legal-layout {
    display: block;
  }

  .legal-article {
    max-width: none;
    padding: 0;
    border: 0;
    font-size: 12pt;
  }
}