:root {
  color-scheme: dark;
  --bg: #050505;
  --surface: #0d0f10;
  --surface-soft: #111416;
  --text: #f5f7f8;
  --muted: #a6aaad;
  --faint: #747a7e;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --accent: #42cfe7;
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: "OpenAI Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: 0;
}

a {
  color: inherit;
}

.legal-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(18px);
}

.legal-header__inner,
.legal-main,
.legal-footer__inner {
  width: min(calc(100% - 48px), var(--content));
  margin-inline: auto;
}

.legal-header__inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.legal-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
}

.legal-brand img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  object-fit: cover;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
  transition: color 180ms ease, transform 180ms ease;
}

.legal-back:hover {
  color: var(--text);
  transform: translateX(-2px);
}

.legal-main {
  padding-block: 76px 100px;
}

.legal-intro {
  max-width: 920px;
  padding-bottom: 54px;
  border-bottom: 1px solid var(--line);
}

.legal-kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
}

.legal-intro h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 560;
  line-height: 1.05;
  letter-spacing: 0;
  text-wrap: balance;
}

.legal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.legal-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 760px);
  justify-content: space-between;
  gap: 72px;
  padding-top: 56px;
}

.legal-toc {
  align-self: start;
  position: sticky;
  top: 112px;
}

.legal-toc strong {
  display: block;
  margin-bottom: 14px;
  color: var(--faint);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
}

.legal-toc nav {
  display: grid;
  gap: 10px;
}

.legal-toc a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.35;
  transition: color 160ms ease;
}

.legal-toc a:hover {
  color: var(--text);
}

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

.legal-section {
  padding: 0 0 46px;
}

.legal-section + .legal-section {
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

.legal-section h2 {
  margin: 0 0 22px;
  color: var(--text);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 560;
  line-height: 1.16;
  text-wrap: balance;
}

.legal-section h3 {
  margin: 30px 0 10px;
  color: var(--text);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
}

.legal-section p,
.legal-section li {
  color: var(--muted);
}

.legal-section p {
  margin: 0 0 16px;
}

.legal-section ul,
.legal-section ol {
  margin: 14px 0 20px;
  padding-left: 24px;
}

.legal-section li + li {
  margin-top: 9px;
}

.legal-section a,
.legal-note a {
  color: var(--text);
  text-decoration-color: rgba(255, 255, 255, 0.55);
  text-underline-offset: 4px;
}

.operator-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.operator-panel div {
  min-height: 112px;
  padding: 22px;
  background: var(--surface);
}

.operator-panel dt {
  margin-bottom: 8px;
  color: var(--faint);
  font-size: 13px;
}

.operator-panel dd {
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.45;
}

.data-table {
  width: 100%;
  margin-top: 24px;
  border-collapse: collapse;
  border-top: 1px solid var(--line-strong);
}

.data-table th,
.data-table td {
  padding: 18px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--faint);
  font-size: 13px;
  font-weight: 600;
}

.data-table td {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

.data-table td:first-child {
  width: 34%;
  color: var(--text);
}

.legal-note {
  margin: 26px 0 0;
  padding: 20px 22px;
  border-left: 2px solid var(--accent);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 15px;
}

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

.legal-footer__inner {
  min-height: 124px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--faint);
  font-size: 14px;
}

.legal-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
}

.legal-footer a {
  color: var(--muted);
  text-underline-offset: 4px;
}

@media (max-width: 900px) {
  .legal-main {
    padding-block: 56px 80px;
  }

  .legal-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .legal-toc {
    position: static;
    padding-bottom: 34px;
    border-bottom: 1px solid var(--line);
  }

  .legal-toc nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 24px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .legal-header__inner,
  .legal-main,
  .legal-footer__inner {
    width: min(calc(100% - 32px), var(--content));
  }

  .legal-header__inner {
    min-height: 68px;
  }

  .legal-brand {
    font-size: 17px;
  }

  .legal-brand img {
    width: 34px;
    height: 34px;
  }

  .legal-back span {
    display: none;
  }

  .legal-main {
    padding-block: 44px 64px;
  }

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

  .legal-intro h1 {
    font-size: clamp(38px, 12vw, 54px);
  }

  .legal-layout {
    padding-top: 40px;
  }

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

  .operator-panel {
    grid-template-columns: 1fr;
  }

  .operator-panel div {
    min-height: auto;
  }

  .data-table,
  .data-table tbody,
  .data-table tr,
  .data-table td {
    display: block;
    width: 100%;
  }

  .data-table thead {
    display: none;
  }

  .data-table tr {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
  }

  .data-table td {
    padding: 0;
    border: 0;
  }

  .data-table td + td {
    margin-top: 8px;
  }

  .legal-footer__inner {
    min-height: 154px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .legal-footer nav {
    display: grid;
    gap: 10px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}