/* =====================================================================
   LUCID Portraits · Legal pages (服务条款 / 隐私政策)
   Shared by terms.html and privacy.html.

   Deliberately narrower and quieter than the landing page: these are read,
   not scanned. One column, no cards, no accent fills — the only colour is
   the hairline under each section number. Tokens come from
   colors_and_type.css so the two surfaces stay the same brand.
   ===================================================================== */

body {
  background: var(--cream-50);
  color: var(--fg-1);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

/* --- Top bar ------------------------------------------------------- */

.legal-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 40px;
  background: rgba(251, 245, 230, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-hair);
}

.legal-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.legal-brand img { height: 30px; display: block; }
.legal-brand span {
  font-family: var(--font-zh);
  font-size: 14px;
  letter-spacing: 0.32em;
  color: var(--ink-900);
}

.legal-back {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--fg-2);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.legal-back:hover { color: var(--spectrum-coral); }

/* --- Document ------------------------------------------------------ */

/* 68ch keeps Chinese body copy near 38–40 characters a line, which is where
   a long legal document stops feeling like a wall. */
.legal-main { padding: 80px 40px 96px; }
.legal-doc { max-width: 68ch; margin: 0 auto; }

.legal-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--fg-3);
}

.legal-doc h1 {
  margin: 0 0 20px;
  font-family: var(--font-zh);
  font-weight: 600;
  font-size: var(--text-2xl);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.legal-updated {
  margin: 0 0 8px;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--fg-3);
}

/* --- Table of contents --------------------------------------------- */

.legal-toc {
  margin: 40px 0 56px;
  padding: 24px 28px;
  background: var(--ivory);
  border: 1px solid var(--border-hair);
  box-shadow: var(--shadow-xs);
}
.legal-toc-h {
  margin: 0 0 12px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--fg-3);
}
.legal-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.legal-toc a {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--fg-2);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.legal-toc a:hover { color: var(--spectrum-coral); }

/* --- Headings and body --------------------------------------------- */

.legal-doc h2 {
  margin: 56px 0 8px;
  padding-top: 20px;
  border-top: 1px solid var(--divider);
  font-family: var(--font-zh);
  font-weight: 600;
  font-size: var(--text-lg);
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--ink-900);
  /* Anchor jumps from the TOC must clear the sticky bar. */
  scroll-margin-top: 84px;
}

.legal-doc h3 {
  margin: 32px 0 6px;
  font-family: var(--font-zh);
  font-weight: 600;
  font-size: var(--text-base);
  letter-spacing: 0.04em;
  color: var(--ink-800);
}

.legal-doc p {
  margin: 0 0 16px;
  font-size: var(--text-base);
  line-height: 1.9;
  color: var(--fg-2);
}

.legal-doc ol {
  margin: 0 0 16px;
  padding-left: 1.6em;
}
.legal-doc li {
  margin-bottom: 8px;
  font-size: var(--text-base);
  line-height: 1.9;
  color: var(--fg-2);
}

.legal-doc strong { font-weight: 600; color: var(--fg-1); }

.legal-doc a { color: var(--ink-800); text-underline-offset: 3px; }
.legal-doc a:hover { color: var(--spectrum-coral); }

/* --- Foot ---------------------------------------------------------- */

.legal-foot {
  padding: 40px;
  background: var(--ink-800);
  color: rgba(251, 245, 230, 0.75);
}
.legal-foot-inner {
  max-width: 68ch;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: var(--text-sm);
}
.legal-foot-links { display: flex; gap: 24px; }
.legal-foot a { color: inherit; text-decoration: none; }
.legal-foot a:hover { color: var(--cream-50); }
.legal-foot-copy { color: rgba(251, 245, 230, 0.5); }

/* --- Narrow screens ------------------------------------------------ */

@media (max-width: 640px) {
  .legal-nav { padding: 14px 20px; }
  .legal-main { padding: 48px 20px 64px; }
  .legal-doc h1 { font-size: var(--text-xl); }
  .legal-toc { padding: 20px; margin: 32px 0 40px; }
  .legal-foot { padding: 32px 20px; }
  .legal-foot-inner { flex-direction: column; align-items: flex-start; }
}