:root {
  --legal-bg: #f7f9fc;
  --legal-surface: #ffffff;
  --legal-text: #172033;
  --legal-muted: #596579;
  --legal-faint: #8a96a8;
  --legal-line: #dfe5ed;
  --legal-accent: #176ee8;
  --legal-accent-soft: #eaf2ff;
  --legal-success: #1f8a62;
  --legal-display: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei UI', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  --legal-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei UI', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  --legal-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  --legal-max: 1120px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--legal-muted);
  background: var(--legal-bg);
  font-family: var(--legal-body);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 9px 14px;
  border-radius: 6px;
  color: #fff;
  background: var(--legal-text);
  transform: translateY(-150%);
  transition: transform .2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.legal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  min-height: 64px;
  padding: 0 clamp(16px, 4vw, 48px);
  border-bottom: 1px solid rgba(223, 229, 237, .9);
  background: rgba(247, 249, 252, .92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.legal-brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
  color: var(--legal-text);
  font-family: var(--legal-display);
  font-size: 20px;
  font-weight: 800;
}

.legal-brand img {
  height: 30px;
  width: auto;
  display: block;
}

.legal-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.legal-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 6px;
  color: var(--legal-muted);
  font-size: 13px;
  font-weight: 600;
  transition: color .15s ease, background .15s ease;
}

.legal-nav a:hover,
.legal-nav a[aria-current="page"] {
  color: var(--legal-accent);
  background: var(--legal-accent-soft);
}

.legal-main {
  width: min(var(--legal-max), calc(100% - 32px));
  margin: 0 auto;
}

.legal-intro {
  position: relative;
  padding: clamp(42px, 6.5vw, 76px) 0 clamp(30px, 4vw, 44px);
  border-bottom: 1px solid var(--legal-line);
}

.legal-intro h1 {
  max-width: 820px;
  margin: 0;
  color: var(--legal-text);
  font-family: var(--legal-display);
  font-size: clamp(36px, 5.5vw, 58px);
  font-weight: 800;
  line-height: 1.15;
}

.legal-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  margin: 16px 0 0;
}

.legal-meta div {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.legal-meta div + div {
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid var(--legal-line);
}

.legal-meta dt {
  color: var(--legal-faint);
  font-size: 12px;
  font-weight: 400;
}

.legal-meta dd {
  margin: 0;
  color: var(--legal-text);
  font-family: var(--legal-mono);
  font-size: 12px;
  font-weight: 600;
}

.legal-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(48px, 7vw, 96px);
  padding: clamp(32px, 4.5vw, 52px) 0 36px;
}

.legal-toc {
  align-self: start;
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 12px;
  scrollbar-color: #c4cedb transparent;
  scrollbar-width: thin;
}

.legal-toc h2 {
  margin: 0 0 14px;
  color: var(--legal-text);
  font-size: 12px;
  font-weight: 700;
}

.legal-toc ol {
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--legal-line);
  list-style: none;
}

.legal-toc li + li {
  margin-top: 3px;
}

.legal-toc a {
  display: block;
  margin-left: -1px;
  padding: 5px 0 5px 16px;
  border-left: 2px solid transparent;
  color: var(--legal-muted);
  font-size: 13px;
  line-height: 1.55;
  transition: color .15s ease, border-color .15s ease;
}

.legal-toc a:hover {
  border-left-color: var(--legal-accent);
  color: var(--legal-accent);
}

.legal-document {
  min-width: 0;
  max-width: 760px;
}

.legal-document > section {
  scroll-margin-top: 94px;
  padding-bottom: 36px;
}

.legal-document > section:last-child {
  padding-bottom: 0;
}

.legal-document > section + section {
  padding-top: 36px;
  border-top: 1px solid var(--legal-line);
}

.legal-section-head {
  margin-bottom: 16px;
}

.legal-section-index {
  display: none;
}

.legal-document h2 {
  margin: 0;
  color: var(--legal-text);
  font-family: var(--legal-display);
  font-size: 25px;
  font-weight: 700;
  line-height: 1.35;
}

.legal-document h3 {
  margin: 24px 0 8px;
  color: var(--legal-text);
  font-size: 16px;
  font-weight: 700;
}

.legal-document p {
  margin: 0;
}

.legal-document p + p {
  margin-top: 14px;
}

.legal-prose > :first-child {
  margin-top: 0;
}

.legal-prose > :last-child {
  margin-bottom: 0;
}

.legal-prose strong {
  color: var(--legal-text);
  font-weight: 700;
}

.legal-document ul,
.legal-document ol {
  display: grid;
  gap: 7px;
  margin: 12px 0 0;
  padding-left: 24px;
}

.legal-document li {
  padding-left: 4px;
}

.legal-document li::marker {
  color: var(--legal-accent);
  font-weight: 700;
}

.legal-document a {
  color: var(--legal-accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(23, 110, 232, .3);
  text-underline-offset: 3px;
}

.legal-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 16px 0 4px;
  border: 1px solid var(--legal-line);
  border-radius: 8px;
  background: var(--legal-surface);
}

.legal-table-wrap table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  color: var(--legal-muted);
  font-size: 13px;
  line-height: 1.65;
}

.legal-table-wrap th,
.legal-table-wrap td {
  padding: 13px 15px;
  border-right: 1px solid var(--legal-line);
  border-bottom: 1px solid var(--legal-line);
  text-align: left;
  vertical-align: top;
}

.legal-table-wrap th {
  color: var(--legal-text);
  background: #f1f5fa;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.legal-table-wrap tr:last-child td {
  border-bottom: 0;
}

.legal-table-wrap th:last-child,
.legal-table-wrap td:last-child {
  border-right: 0;
}

.legal-table-wrap tbody tr:hover {
  background: #fafcff;
}

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

.legal-footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  width: min(var(--legal-max), calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 28px;
  color: var(--legal-faint);
  font-size: 12px;
}

.legal-footer a {
  color: var(--legal-muted);
  font-weight: 600;
}

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

:focus-visible {
  outline: 2px solid var(--legal-accent);
  outline-offset: 3px;
}

@media (max-width: 820px) {
  .legal-header {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 6px 16px;
    padding-top: 12px;
    padding-bottom: 10px;
  }

  .legal-brand {
    min-height: 36px;
  }

  .legal-nav {
    order: 2;
    width: 100%;
    overflow-x: auto;
    margin-left: 0;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .legal-nav::-webkit-scrollbar {
    display: none;
  }

  .legal-nav a {
    flex: 0 0 auto;
  }

  .legal-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .legal-toc {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 20px;
    border: 1px solid var(--legal-line);
    border-radius: 8px;
    background: var(--legal-surface);
  }

  .legal-toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px 16px;
  }

  .legal-document {
    max-width: none;
  }
}

@media (max-width: 560px) {
  .legal-main,
  .legal-footer-inner {
    width: min(100% - 24px, var(--legal-max));
  }

  .legal-intro {
    padding-top: 40px;
    padding-bottom: 30px;
  }

  .legal-layout {
    padding-top: 28px;
    padding-bottom: 36px;
  }

  .legal-meta {
    gap: 8px 0;
  }

  .legal-meta div {
    width: 100%;
  }

  .legal-meta div + div {
    margin-left: 0;
    padding-left: 0;
    border-left: 0;
  }

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

  .legal-document > section {
    padding-bottom: 30px;
  }

  .legal-document > section:last-child {
    padding-bottom: 0;
  }

  .legal-document > section + section {
    padding-top: 30px;
  }

  .legal-document h2 {
    font-size: 22px;
  }

  .legal-table-wrap {
    margin-right: 0;
  }

}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    transition-duration: .01ms !important;
  }
}

@media print {
  body {
    background: #fff;
  }

  .legal-header,
  .legal-toc,
  .legal-footer,
  .skip-link {
    display: none;
  }

  .legal-main {
    width: 100%;
  }

  .legal-intro {
    padding: 0 0 28px;
  }

  .legal-layout {
    display: block;
    padding: 36px 0 0;
  }

  .legal-document {
    max-width: none;
  }
}