:root {
  --paper: #f7f9fd;
  --surface: #fff;
  --ink: #182032;
  --muted: #667085;
  --line: #dde4f0;
  --blue: #4d81ef;
  --max: 900px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
::selection { background: #dce7ff; }

.legal-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(221,228,240,.88);
  background: rgba(247,249,253,.9);
  backdrop-filter: blur(18px);
}
.legal-nav {
  width: min(calc(100% - 40px), 1180px);
  height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.legal-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 19px;
  font-weight: 680;
  letter-spacing: -.02em;
}
.brand-mark {
  width: 29px;
  height: 29px;
  flex: none;
  border-radius: 50%;
  background: conic-gradient(#e95a55 0 25%, #e9bf46 0 50%, #9270d8 0 75%, #65b489 0);
}
.back-link {
  color: var(--muted);
  font-size: 14px;
  font-weight: 620;
  transition: color .2s ease;
}
.back-link:hover, .back-link:focus-visible { color: var(--blue); outline: none; }

.legal-shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 94px 0 120px;
}
.legal-kicker {
  margin-bottom: 16px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: .13em;
}
.legal-document {
  padding: clamp(36px, 6vw, 72px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(39,70,130,.08);
}
.legal-document h1 {
  margin: 0 0 12px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.15;
  letter-spacing: -.05em;
}
.legal-document h2 {
  margin: 58px 0 18px;
  padding-top: 8px;
  font-size: 24px;
  line-height: 1.4;
  letter-spacing: -.025em;
}
.legal-document h3 {
  margin: 32px 0 12px;
  font-size: 18px;
  line-height: 1.5;
}
.legal-document p { margin: 0 0 18px; color: #475467; }
.legal-document h1 + p { color: var(--muted); }
.legal-document ol, .legal-document ul {
  margin: 0 0 22px;
  padding-left: 1.45em;
  color: #475467;
}
.legal-document li { margin: 9px 0; padding-left: .25em; }
.legal-document code {
  padding: 2px 7px;
  border-radius: 6px;
  background: #eef3ff;
  color: #315fbd;
  font: .9em/1.6 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  overflow-wrap: anywhere;
}
.legal-document a { color: #315fbd; text-decoration: underline; text-underline-offset: 3px; }
.legal-document hr { height: 1px; margin: 44px 0; border: 0; background: var(--line); }
.legal-loading { color: var(--muted); }
.legal-switch {
  margin-top: 28px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}
.legal-switch a { transition: color .2s ease; }
.legal-switch a:hover, .legal-switch a:focus-visible { color: var(--blue); outline: none; }
.legal-footer {
  padding: 30px 20px;
  background: var(--blue);
  color: rgba(255,255,255,.82);
  text-align: center;
  font-size: 13px;
}

@media (max-width: 640px) {
  .legal-nav { width: min(calc(100% - 28px), 1180px); height: 64px; }
  .legal-brand { font-size: 17px; }
  .brand-mark { width: 27px; height: 27px; }
  .legal-shell { width: min(calc(100% - 24px), var(--max)); padding: 56px 0 76px; }
  .legal-document { padding: 30px 24px 40px; border-radius: 22px; }
  .legal-document h2 { margin-top: 44px; font-size: 21px; }
  .legal-document h3 { font-size: 17px; }
  .legal-switch { flex-direction: column; }
}