:root {
  --ink: #0f1e35;
  --muted: #5f6d82;
  --line: #e6e9f2;
  --purple: #5140f7;
  --purple-dark: #3024b8;
  --surface: #f7f8fc;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 4%, rgba(81, 64, 247, .1), transparent 28rem),
    #fff;
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.75;
}

a { color: var(--purple-dark); }

a:hover { color: var(--purple); }

.legal-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(15, 30, 53, .08);
  background: rgba(255, 255, 255, .9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.legal-header__inner,
.legal-main,
.legal-footer__inner {
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
}

.legal-header__inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.legal-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 19px;
  font-weight: 800;
  text-decoration: none;
}

.legal-brand::before {
  width: 11px;
  height: 11px;
  border: 3px solid #dcd8ff;
  border-radius: 50%;
  background: var(--purple);
  content: "";
}

.legal-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.legal-nav a {
  color: #3f4d61;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.legal-nav .legal-contact {
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--purple);
  color: #fff;
}

.legal-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  gap: 64px;
  padding-block: 82px 96px;
}

.legal-article { min-width: 0; }

.legal-eyebrow {
  margin: 0 0 10px;
  color: var(--purple);
  font: 700 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.legal-article h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.12;
  letter-spacing: -.04em;
}

.legal-updated {
  margin: 16px 0 48px;
  color: var(--muted);
  font-size: 14px;
}

.legal-summary {
  margin-bottom: 44px;
  padding: 22px 24px;
  border: 1px solid #dedaff;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(81, 64, 247, .08), rgba(81, 64, 247, .025));
  color: #344156;
}

.legal-section {
  padding-block: 4px 30px;
  scroll-margin-top: 100px;
}

.legal-section h2 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.35;
}

.legal-section p,
.legal-section li { color: #46556a; }

.legal-section ul { padding-left: 1.35em; }

.legal-toc {
  position: sticky;
  top: 104px;
  align-self: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(247, 248, 252, .84);
}

.legal-toc strong {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
}

.legal-toc a {
  display: block;
  padding-block: 5px;
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}

.legal-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.legal-footer__inner {
  display: flex;
  min-height: 96px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 13px;
}

.legal-footer__links { display: flex; gap: 18px; }

.error-main {
  display: grid;
  min-height: calc(100vh - 168px);
  place-items: center;
  padding-block: 70px;
  text-align: center;
}

.error-code {
  margin: 0;
  background: linear-gradient(135deg, var(--purple), #876aff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: clamp(7rem, 24vw, 14rem);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -.08em;
}

.error-main h1 { margin: 24px 0 8px; font-size: clamp(1.7rem, 4vw, 2.6rem); }
.error-main p { margin: 0 0 28px; color: var(--muted); }

.primary-link {
  display: inline-flex;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--purple);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(81, 64, 247, .25);
}

.primary-link:hover { color: #fff; transform: translateY(-1px); }

@media (max-width: 760px) {
  .legal-header__inner,
  .legal-main,
  .legal-footer__inner { width: min(100% - 28px, 1080px); }
  .legal-nav > a:not(.legal-contact) { display: none; }
  .legal-main { display: block; padding-block: 54px 70px; }
  .legal-toc { display: none; }
  .legal-footer__inner { min-height: 120px; flex-direction: column; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: .01ms !important; }
}