.page-privacy {
  --privacy-rail-w: 268px;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-block: 20px 64px;
}

.page-privacy .privacy-hero {
  padding: 6px 0 26px;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 6vw, 3.2rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  max-width: 20em;
  color: var(--paper);
}

.page-privacy .privacy-hero .lede {
  max-width: 62ch;
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--paper);
}

.page-privacy .privacy-meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-privacy .privacy-figure {
  margin: 24px 0 0;
  border: 1px solid var(--hair);
  border-radius: 2px;
  background: var(--ink-800);
  overflow: hidden;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

/* layout */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 32px;
}

.page-privacy .privacy-rail {
  border: 1px solid var(--hair);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(14, 39, 64, 0.92), rgba(7, 26, 43, 0.94));
  padding: 16px 16px 18px;
}

.page-privacy .privacy-rail-head {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .privacy-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  font-size: var(--fs-14);
  line-height: 1.45;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.page-privacy .privacy-rail-link:hover {
  background: rgba(47, 224, 208, 0.08);
  border-left-color: var(--cyan);
  color: var(--cyan);
}

.page-privacy .privacy-rail-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .privacy-rail-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--steel);
}

.page-privacy .privacy-rail-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--mist);
}

/* sections */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .policy-section {
  padding-top: 24px;
  border-top: 1px solid var(--hair);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-privacy .policy-section + .policy-section {
  margin-top: 44px;
}

.page-privacy .policy-section:target {
  border-top-color: var(--coral);
}

.page-privacy .policy-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .policy-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-privacy .policy-section:target .policy-num {
  color: var(--coral);
}

.page-privacy .policy-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.28rem, 4.2vw, 1.82rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .policy-section p {
  max-width: 62ch;
  margin: 0 0 14px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper);
}

.page-privacy .policy-section p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 208, 0.4);
  transition: border-color var(--ease), color var(--ease);
}

.page-privacy .policy-section p a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-privacy .policy-section p a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .policy-sub {
  margin: 24px 0 10px;
  padding-left: 10px;
  border-left: 3px solid var(--coral);
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-privacy .policy-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  max-width: 66ch;
  display: grid;
  gap: 10px;
}

.page-privacy .policy-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--paper);
}

.page-privacy .policy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--cyan);
}

.page-privacy .policy-list--tight li strong {
  color: var(--coral);
  font-weight: 700;
}

.page-privacy .policy-list--rows {
  gap: 8px;
  max-width: 68ch;
}

.page-privacy .policy-list--rows li {
  padding: 12px 14px 12px 16px;
  border: 1px solid var(--hair);
  border-left: 3px solid var(--cyan);
  border-radius: 2px;
  background: var(--ink-800);
  transition: transform var(--ease), border-color var(--ease), background var(--ease);
}

.page-privacy .policy-list--rows li::before {
  display: none;
}

.page-privacy .policy-list--rows li:hover {
  transform: translateY(-2px);
  border-left-color: var(--coral);
  background: rgba(14, 39, 64, 0.95);
}

.page-privacy .policy-key {
  display: inline-block;
  min-width: 4.6em;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .policy-note {
  margin: 4px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--hair);
  max-width: 62ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

/* table */
.page-privacy .policy-table-wrap {
  margin: 8px 0 6px;
  border: 1px solid var(--hair);
  border-radius: 2px;
  background: var(--ink-800);
  overflow-x: auto;
}

.page-privacy .policy-table-wrap .data-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-privacy .policy-table-wrap .data-table thead th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: rgba(7, 26, 43, 0.65);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .policy-table-wrap .data-table tbody th,
.page-privacy .policy-table-wrap .data-table tbody td {
  padding: 12px 14px;
  text-align: left;
  color: var(--paper);
  border-bottom: 1px solid var(--hair);
  line-height: 1.5;
  vertical-align: middle;
}

.page-privacy .policy-table-wrap .data-table tbody th {
  font-weight: 600;
}

.page-privacy .policy-table-wrap .data-table tbody tr:last-child th,
.page-privacy .policy-table-wrap .data-table tbody tr:last-child td {
  border-bottom: none;
}

.page-privacy .policy-table-wrap .data-table tbody tr:hover {
  background: rgba(47, 224, 208, 0.06);
}

.page-privacy .limit {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid rgba(245, 196, 81, 0.4);
  border-radius: 2px;
  background: rgba(245, 196, 81, 0.12);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  white-space: nowrap;
}

/* details */
.page-privacy .policy-more {
  margin: 18px 0 0;
  max-width: 66ch;
  border: 1px solid var(--hair);
  border-radius: 2px;
  background: var(--ink-800);
}

.page-privacy .policy-more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--cyan);
}

.page-privacy .policy-more summary::-webkit-details-marker {
  display: none;
}

.page-privacy .policy-more summary::after {
  content: "展开";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 400;
  color: var(--mist);
}

.page-privacy .policy-more[open] summary::after {
  content: "收起";
  color: var(--amber);
}

.page-privacy .policy-more summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .policy-more-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--hair);
}

.page-privacy .policy-more-body p {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--mist);
}

/* responsive */
@media (min-width: 960px) {
  .page-privacy {
    padding-block: 28px 88px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--privacy-rail-w);
    gap: 56px;
    align-items: start;
    margin-top: 40px;
  }

  .page-privacy .privacy-body {
    order: 1;
  }

  .page-privacy .privacy-rail {
    order: 2;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-privacy .policy-section + .policy-section {
    margin-top: 56px;
  }
}

@media (max-width: 719px) {
  .page-privacy .privacy-hero {
    padding-bottom: 20px;
  }

  .page-privacy .privacy-figure {
    margin-top: 18px;
  }

  .page-privacy .privacy-layout {
    gap: 26px;
    margin-top: 24px;
  }

  .page-privacy .policy-head {
    flex-wrap: wrap;
    gap: 8px 10px;
  }

  .page-privacy .policy-num {
    font-size: var(--fs-18);
  }

  .page-privacy .policy-section + .policy-section {
    margin-top: 36px;
  }

  .page-privacy .policy-key {
    display: block;
    min-width: 0;
    margin: 0 0 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail-link,
  .page-privacy .policy-list--rows li,
  .page-privacy .policy-section p a {
    transition: none;
  }

  .page-privacy .policy-list--rows li:hover {
    transform: none;
  }
}