/* ==========================================================================
   PengHong — shared legal stylesheet (privacy + terms)
   Loaded ONLY by legal pages. Scope-isolated under .legal-page.
   ========================================================================== */

:root {
  --legal-bg: #0B0F17;
  --legal-bg-soft: #0F1420;
  --legal-surface: #151C2B;
  --legal-border: #273147;
  --legal-border-soft: #212B3E;
  --legal-ink: #EEF2F8;
  --legal-muted: #9BA7BB;
  --legal-coral: #FF6B57;
  --legal-aqua: #3FD6C4;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

.legal-page {
  background-color: var(--legal-bg);
  color: var(--legal-ink);
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.legal-page a {
  color: inherit;
  text-decoration: none;
}

.legal-page ul {
  list-style: none;
}

/* ==========================================================================
   Header (must be <header>, solid/gradient background, contrasting h1)
   ========================================================================== */

.legal-header {
  background: linear-gradient(160deg, #101a2e 0%, #0B0F17 70%);
  border-bottom: 1px solid var(--legal-border-soft);
}

.legal-nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.legal-brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--legal-ink);
}

.legal-brand .dot {
  color: var(--legal-coral);
}

.legal-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.legal-nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--legal-muted);
  transition: color 0.2s ease;
}

.legal-nav-links a:hover {
  color: var(--legal-aqua);
}

.legal-nav-links a.back-home {
  padding: 9px 18px;
  border-radius: 10px;
  background: var(--legal-coral);
  color: #fff;
  font-weight: 700;
}

.legal-nav-links a.back-home:hover {
  background: #E8553F;
  color: #fff;
}

.legal-hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 24px 64px;
}

.legal-hero h1 {
  font-size: 48px;
  line-height: 1.12;
  letter-spacing: -1px;
  font-weight: 800;
  color: var(--legal-ink);
  margin-bottom: 16px;
}

.legal-hero .updated {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--legal-muted);
  letter-spacing: 0.3px;
}

.legal-hero .updated strong {
  color: var(--legal-aqua);
}

/* ==========================================================================
   Content
   ========================================================================== */

.legal-content {
  padding: 64px 0 48px;
}

/* Scope-isolation: any section inside legal content has a transparent background */
.legal-page .legal-content section {
  background-color: transparent !important;
}

.legal-content .container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Table of contents */
.legal-toc {
  background: var(--legal-surface);
  border: 1px solid var(--legal-border);
  border-radius: 16px;
  padding: 28px 30px;
  margin-bottom: 56px;
}

.legal-toc h2 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--legal-aqua);
  margin-bottom: 18px;
}

.legal-toc ol {
  list-style: none;
  counter-reset: toc;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}

.legal-toc ol li {
  counter-increment: toc;
}

.legal-toc ol li a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  color: var(--legal-muted);
  transition: color 0.2s ease;
}

.legal-toc ol li a::before {
  content: counter(toc, decimal-leading-zero);
  font-size: 12px;
  font-weight: 700;
  color: var(--legal-coral);
}

.legal-toc ol li a:hover {
  color: var(--legal-ink);
}

/* Sections */
.legal-content section {
  margin-bottom: 48px;
}

.legal-content h2 {
  font-size: 26px;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.4px;
  color: var(--legal-ink);
  margin-bottom: 16px;
  padding-top: 8px;
}

.legal-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--legal-ink);
  margin: 22px 0 10px;
}

.legal-content p {
  color: var(--legal-muted);
  margin-bottom: 16px;
}

.legal-content ul {
  margin: 0 0 18px 4px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legal-content ul li {
  position: relative;
  padding-left: 22px;
  color: var(--legal-muted);
}

.legal-content ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--legal-coral);
}

.legal-content strong {
  color: var(--legal-ink);
  font-weight: 700;
}

.legal-content a.inline {
  color: var(--legal-aqua);
  border-bottom: 1px solid var(--legal-aqua);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.legal-content a.inline:hover {
  color: var(--legal-ink);
  border-bottom-color: var(--legal-ink);
}

.legal-back-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--legal-coral);
}

.legal-back-top:hover {
  color: var(--legal-ink);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.legal-footer {
  border-top: 1px solid var(--legal-border-soft);
  background: var(--legal-bg-soft);
  padding: 40px 0 36px;
}

.legal-footer .container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.legal-footer .legal-brand {
  font-size: 18px;
}

.legal-footer-links {
  display: flex;
  gap: 22px;
}

.legal-footer-links a {
  font-size: 14px;
  color: var(--legal-muted);
  transition: color 0.2s ease;
}

.legal-footer-links a:hover {
  color: var(--legal-aqua);
}

.legal-footer small {
  font-size: 13px;
  color: var(--legal-muted);
  width: 100%;
  text-align: center;
  padding-top: 12px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 720px) {
  .legal-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .legal-hero h1 {
    font-size: 34px;
  }

  .legal-toc ol {
    grid-template-columns: 1fr;
  }
}