:root {
  color-scheme: light;
  --policy-bg: #f6f5f6;
  --policy-surface: #ffffff;
  --policy-ink: #28242a;
  --policy-muted: #68616b;
  --policy-line: #ded9df;
  --policy-soft: #f3eef1;
  --policy-accent: #8d4968;
  --policy-focus: rgba(141, 73, 104, .24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--policy-ink);
  background: var(--policy-bg);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--policy-accent);
  text-underline-offset: .18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 3px solid var(--policy-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 8px;
  z-index: 3;
  padding: 8px 12px;
  color: var(--policy-surface);
  background: var(--policy-accent);
  transform: translateY(-150%);
}

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

.policy-site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  border-bottom: 1px solid var(--policy-line);
  background: rgba(255, 255, 255, .96);
}

.policy-site-header-inner {
  width: min(100% - 40px, 920px);
  min-height: 58px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}

.policy-brand {
  justify-self: start;
  color: var(--policy-ink);
  font-weight: 700;
  text-decoration: none;
}

.policy-site-header-inner > span {
  font-size: 16px;
  font-weight: 700;
}

.policy-back {
  justify-self: end;
  text-decoration: none;
}

.policy-page {
  width: min(100% - 40px, 920px);
  margin: 0 auto;
  padding: 56px 0 64px;
}

.policy-title {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--policy-line);
  text-align: center;
}

.policy-title h1 {
  margin: 0;
  color: var(--policy-ink);
  font-size: clamp(27px, 4vw, 38px);
  line-height: 1.3;
  letter-spacing: -.02em;
}

.policy-meta {
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  color: var(--policy-muted);
  font-size: 14px;
}

.policy-meta div {
  display: flex;
  gap: 6px;
}

.policy-meta dt,
.policy-meta dd {
  margin: 0;
}

.policy-meta dt::after {
  content: "：";
}

.policy-toc {
  margin: 36px 0 46px;
  padding: 24px 28px;
  border: 1px solid var(--policy-line);
  border-radius: 8px;
  background: var(--policy-surface);
}

.policy-toc h2 {
  margin: 0 0 14px;
  font-size: 18px;
}

.policy-toc ol {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 30px;
  list-style: none;
  counter-reset: policy-toc;
}

.policy-toc li {
  counter-increment: policy-toc;
}

.policy-toc a {
  display: grid;
  grid-template-columns: 2ch minmax(0, 1fr);
  gap: 8px;
  color: var(--policy-ink);
  text-decoration: none;
}

.policy-toc a::before {
  content: counter(policy-toc) ".";
  color: var(--policy-muted);
}

.policy-article {
  padding: 0 8px;
}

.policy-article h2 {
  margin: 54px 0 20px;
  scroll-margin-top: 82px;
  color: var(--policy-ink);
  font-size: 26px;
  line-height: 1.4;
}

.policy-article h2:first-child {
  margin-top: 0;
}

.policy-article h3 {
  margin: 34px 0 14px;
  scroll-margin-top: 82px;
  color: var(--policy-ink);
  font-size: 20px;
  line-height: 1.5;
}

.policy-article p {
  margin: 0 0 18px;
  text-align: justify;
  overflow-wrap: anywhere;
}

.policy-article strong {
  color: #171419;
  font-weight: 750;
}

.policy-article code {
  padding: .08em .34em;
  border: 1px solid var(--policy-line);
  border-radius: 4px;
  background: var(--policy-soft);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: .9em;
}

.policy-table-scroll {
  margin: 22px 0 30px;
  overflow-x: auto;
  border: 1px solid var(--policy-line);
  border-radius: 8px;
  background: var(--policy-surface);
}

.policy-table-scroll:focus-visible {
  outline: 3px solid var(--policy-focus);
  outline-offset: 2px;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.65;
}

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

th {
  color: var(--policy-ink);
  background: var(--policy-soft);
  font-weight: 700;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.policy-list {
  margin: 16px 0 24px;
  padding-left: 1.4em;
}

.policy-list li {
  margin: 8px 0;
}

.policy-end-rule {
  margin: 46px 0 0;
  border: 0;
  border-top: 1px solid var(--policy-line);
}

.back-to-top {
  display: table;
  margin: 44px auto 0;
  font-size: 14px;
  text-decoration: none;
}

.policy-footer {
  padding: 26px 20px 34px;
  border-top: 1px solid var(--policy-line);
  color: var(--policy-muted);
  background: var(--policy-surface);
  text-align: center;
  font-size: 13px;
}

.policy-footer p {
  margin: 3px 0;
}

@media (max-width: 700px) {
  .policy-site-header-inner,
  .policy-page {
    width: min(100% - 28px, 920px);
  }

  .policy-site-header-inner {
    grid-template-columns: 1fr auto;
  }

  .policy-site-header-inner > span {
    display: none;
  }

  .policy-page {
    padding-top: 38px;
  }

  .policy-title {
    padding-bottom: 28px;
  }

  .policy-meta {
    display: grid;
    justify-content: start;
    gap: 4px;
    text-align: left;
  }

  .policy-toc {
    margin: 28px 0 38px;
    padding: 20px;
  }

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

  .policy-article {
    padding: 0;
  }

  .policy-article h2 {
    margin-top: 44px;
    font-size: 23px;
  }

  .policy-article h3 {
    margin-top: 30px;
    font-size: 19px;
  }

  .policy-article p {
    text-align: left;
  }

  th,
  td {
    padding: 12px;
  }
}

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

@media print {
  body {
    background: #fff;
    font-size: 10.5pt;
  }

  .policy-site-header,
  .policy-toc,
  .back-to-top,
  .policy-footer,
  .skip-link {
    display: none;
  }

  .policy-page {
    width: 100%;
    padding: 0;
  }

  .policy-title {
    padding-bottom: 18pt;
  }

  .policy-article h2,
  .policy-article h3 {
    break-after: avoid;
  }

  .policy-table-scroll {
    overflow: visible;
    break-inside: avoid;
  }

  table {
    min-width: 0;
    font-size: 8pt;
  }
}