:root {
  --ink: #152033;
  --muted: #5c697d;
  --line: #dce5ef;
  --blue: #1769ff;
  --blue-dark: #0f4fca;
  --panel: #ffffff;
  --soft: #f7fafc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f6f9fc;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(220, 229, 239, 0.9);
  backdrop-filter: blur(14px);
}

.nav-inner,
.legal-inner {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 760;
  font-size: 20px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: block;
  object-fit: cover;
  background: #ffffff;
  border: 1px solid #e5ecf4;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-switch {
  height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7fafc;
}

.language-switch button {
  height: 26px;
  padding: 0 9px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 780;
}

.language-switch button.active {
  color: var(--blue-dark);
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(21, 32, 51, 0.1);
}

.primary-button {
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}

.legal-hero {
  padding: 64px 0 28px;
  background: linear-gradient(180deg, #ffffff 0%, #f6f9fc 100%);
  border-bottom: 1px solid var(--line);
}

.legal-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.08;
}

.legal-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.legal-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
  color: #405067;
  font-size: 13px;
}

.legal-meta span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.legal-main {
  padding: 42px 0 76px;
}

.legal-card {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 18px 48px rgba(21, 32, 51, 0.08);
}

.legal-card section + section {
  margin-top: 34px;
}

.legal-card h2 {
  margin: 0 0 12px;
  font-size: 24px;
}

.legal-card p,
.legal-card li {
  color: #3f4e64;
  font-size: 15px;
  line-height: 1.78;
}

.legal-card p {
  margin: 0 0 12px;
}

.legal-card ul,
.legal-card ol {
  margin: 0;
  padding-left: 22px;
}

.legal-card li + li {
  margin-top: 8px;
}

.lang-panel {
  display: none;
}

html[lang="en"] .lang-panel[data-lang-panel="en"],
html[lang="zh-CN"] .lang-panel[data-lang-panel="zh"] {
  display: block;
}

.company {
  padding: 42px 0;
  color: #ffffff;
  background: #172235;
}

.company-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 34px;
  align-items: end;
}

.company h2 {
  margin: 0 0 10px;
  font-size: 24px;
}

.company p {
  margin: 0;
  color: #bdc8d7;
  line-height: 1.65;
}

.footer-links {
  display: flex;
  gap: 18px;
  color: #d9e4f2;
  font-weight: 720;
  white-space: nowrap;
}

@media (max-width: 820px) {
  .nav-links {
    display: none;
  }

  .company-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .nav-inner,
  .legal-inner {
    width: min(100% - 28px, 1080px);
  }

  .nav-inner {
    height: 64px;
  }

  .primary-button {
    display: none;
  }

  .legal-card {
    padding: 26px 20px;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}