.page-privacy {
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.page-privacy a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-privacy__hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 32px 0 36px;
  border-bottom: 1px solid var(--line);
}

.page-privacy__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-privacy__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 8vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy__lede {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--text);
}

.page-privacy__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-privacy__meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-privacy__meta-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cool);
}

.page-privacy__meta-val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--lime);
}

.page-privacy__hero-art {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 3 / 2;
  background: var(--ink-800);
}

.page-privacy__hero-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 横向索引带 ---------- */
.page-privacy__bands {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.page-privacy__band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no kicker"
    "no desc";
  column-gap: 16px;
  row-gap: 3px;
  padding: 18px 18px;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  box-shadow: inset 2px 0 0 transparent;
  transition: box-shadow 180ms var(--ease), background-color 180ms var(--ease);
}

.page-privacy__band:last-child {
  border-bottom: 0;
}

.page-privacy__band:hover,
.page-privacy__band:focus-visible {
  background: var(--ink-800);
  box-shadow: inset 2px 0 0 var(--lime);
}

.page-privacy__band-no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding-top: 3px;
}

.page-privacy__band-kicker {
  grid-area: kicker;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--paper);
  transition: color 180ms var(--ease);
}

.page-privacy__band-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cool);
}

.page-privacy__band:hover .page-privacy__band-kicker,
.page-privacy__band:focus-visible .page-privacy__band-kicker {
  color: var(--lime);
}

/* ---------- 双栏正文 ---------- */
.page-privacy__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding: 40px 0 64px;
}

/* 目录 */
.page-privacy__toc {
  border-top: 1px solid var(--line-strong);
  padding-top: 18px;
}

.page-privacy__toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cool);
}

.page-privacy__toc-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-privacy__toc-item + .page-privacy__toc-item {
  margin-top: 2px;
}

.page-privacy__toc-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 9px 12px;
  border-left: 2px solid var(--line);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy__toc-link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cool);
  transition: color 160ms var(--ease);
}

.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  border-left-color: var(--lime);
  color: var(--paper);
  background: var(--ink-800);
}

.page-privacy__toc-link:hover .num,
.page-privacy__toc-link:focus-visible .num {
  color: var(--lime);
}

.page-privacy__toc-top {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy__toc-top:hover,
.page-privacy__toc-top:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* 条款正文 */
.page-privacy__section {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-bottom: 36px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.page-privacy__section:last-of-type {
  padding-bottom: 0;
  margin-bottom: 24px;
  border-bottom: 0;
}

.page-privacy__sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-privacy__sec-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
  flex: none;
}

.page-privacy__h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.8vw, 25px);
  font-weight: 500;
  line-height: 1.35;
  color: var(--paper);
}

.page-privacy__doc p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
}

.page-privacy__doc strong {
  color: var(--paper);
  font-weight: 600;
}

.page-privacy__key {
  border-left: 2px solid var(--lime);
  padding: 2px 0 2px 16px;
  color: var(--paper);
}

.page-privacy__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-privacy__list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.85;
}

.page-privacy__list > li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy__li-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding-top: 5px;
}

.page-privacy__doc a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy__doc a:hover,
.page-privacy__doc a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* 折叠细则 */
.page-privacy__details {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  background: var(--ink-850);
}

.page-privacy__details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cool);
  transition: color 160ms var(--ease);
}

.page-privacy__details summary::-webkit-details-marker {
  display: none;
}

.page-privacy__details summary::after {
  content: "+";
  flex: none;
  font-size: 15px;
  color: var(--lime);
}

.page-privacy__details[open] summary::after {
  content: "−";
}

.page-privacy__details summary:hover,
.page-privacy__details summary:focus-visible {
  color: var(--paper);
}

.page-privacy__details > div {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
}

.page-privacy__details > div p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--cool);
}

/* 返回顶部 */
.page-privacy__doc a.page-privacy__totop {
  display: inline-block;
  margin-top: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cool);
  text-decoration: none;
  transition: color 160ms var(--ease), background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy__doc a.page-privacy__totop:hover,
.page-privacy__doc a.page-privacy__totop:focus-visible {
  color: var(--ink-900);
  background: var(--lime);
  border-color: var(--lime);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy__hero {
    padding: 48px 0 44px;
  }

  .page-privacy__bands {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy__band {
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 22px 20px;
  }

  .page-privacy__band:first-child {
    border-left: 0;
  }

  .page-privacy__body {
    padding: 56px 0 88px;
  }
}

@media (min-width: 900px) {
  .page-privacy__hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(28px, 5vw, 64px);
    padding: 64px 0 52px;
  }

  .page-privacy__hero-art {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 960px) {
  .page-privacy__body {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(36px, 6vw, 88px);
  }

  .page-privacy__toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    max-height: calc(100vh - var(--header-h) - 56px);
    overflow-y: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy a,
  .page-privacy__band,
  .page-privacy__band-kicker,
  .page-privacy__toc-link,
  .page-privacy__details summary {
    transition: none;
  }
}

@media print {
  .page-privacy {
    background: var(--paper);
    color: var(--ink-850);
  }

  .page-privacy__band,
  .page-privacy__toc,
  .page-privacy__bands,
  .page-privacy__hero-art,
  .page-privacy__details summary::after {
    display: none;
  }

  .page-privacy__hero,
  .page-privacy__section {
    border-color: var(--cool);
  }

  .page-privacy__title,
  .page-privacy__h2,
  .page-privacy__doc strong,
  .page-privacy__key {
    color: var(--ink-850);
  }

  .page-privacy__lede,
  .page-privacy__doc p,
  .page-privacy__list > li {
    color: var(--ink-850);
  }

  .page-privacy__details {
    border-color: var(--cool);
    background: transparent;
  }

  .page-privacy__doc a.page-privacy__totop {
    display: none;
  }
}