.page-privacy {
  --privacy-rail: 264px;
  --privacy-gap: clamp(24px, 4vw, 56px);
  --privacy-body-width: 720px;
  background: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding: calc(var(--header-h) + 24px) 0 0;
  background:
    radial-gradient(circle at 84% -4%, rgba(139, 92, 246, .18), transparent 56%),
    radial-gradient(circle at 6% 26%, rgba(47, 243, 214, .10), transparent 52%),
    var(--ink);
}

.page-privacy .privacy-hero .eyebrow {
  margin: 26px 0 14px;
  color: var(--cyan);
}

.page-privacy .privacy-hero .display-title {
  margin: 0;
  max-width: 15em;
  font-family: var(--font-display);
  letter-spacing: -.02em;
  line-height: .98;
  color: var(--text);
}

.page-privacy .privacy-hero .lede {
  max-width: 34em;
  margin: 22px 0 0;
  color: var(--text-soft);
  font-size: 15.5px;
  line-height: 1.85;
}

/* ---------- 横幅图 ---------- */
.page-privacy .privacy-banner {
  position: relative;
  margin: var(--privacy-gap) 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.page-privacy .privacy-banner-cap {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: calc(100% - 32px);
  margin: 0;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.4;
  letter-spacing: .16em;
  color: var(--ink);
  background: var(--cyan);
}

/* ---------- 主体 ---------- */
.page-privacy .privacy-body {
  margin-top: var(--privacy-gap);
  padding-bottom: 88px;
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  margin-bottom: 30px;
  padding: 16px 0 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .toc-list li {
  flex: 0 0 auto;
}

.page-privacy .toc-link {
  display: block;
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible,
.page-privacy .toc-link.is-active,
.page-privacy .toc-link[aria-current="true"],
.page-privacy .toc-link[aria-current="location"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(47, 243, 214, .07);
}

.page-privacy .privacy-toc .btn {
  display: none;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-sec:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-sec-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  list-style: none;
  cursor: pointer;
  outline: none;
}

.page-privacy .privacy-sec-head::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-sec-head:focus-visible .privacy-title {
  color: var(--cyan);
}

.page-privacy .privacy-num {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.4vw, 24px);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--muted);
  transition: color 200ms ease;
}

.page-privacy .privacy-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3.2vw, 27px);
  letter-spacing: -.01em;
  line-height: 1.25;
  color: var(--text);
  transition: color 200ms ease;
}

.page-privacy .privacy-sec-head::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 200ms ease, border-color 200ms ease;
}

.page-privacy .privacy-sec[open] .privacy-sec-head::after {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-privacy .privacy-sec[open] .privacy-num {
  color: var(--cyan);
}

.page-privacy .privacy-sec-body {
  padding: 0 0 30px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-privacy .privacy-sec-body p {
  margin: 0 0 16px;
  max-width: var(--privacy-body-width);
}

.page-privacy .privacy-sec-body a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-sec-body a:hover {
  color: var(--cyan);
}

.page-privacy .privacy-lead {
  max-width: var(--privacy-body-width);
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  color: var(--text);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.8;
}

.page-privacy .privacy-list {
  display: grid;
  gap: 12px;
  max-width: var(--privacy-body-width);
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 18px;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .74em;
  width: 5px;
  height: 5px;
  background: var(--blue);
  transform: rotate(45deg);
}

.page-privacy .privacy-list strong {
  color: var(--cyan);
  font-weight: 600;
}

/* ---------- 权利卡 ---------- */
.page-privacy .privacy-rights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 22px 0 22px;
}

.page-privacy .privacy-right {
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(77, 163, 255, .08), rgba(139, 92, 246, .04) 60%, transparent 92%);
}

.page-privacy .privacy-right-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-right p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 联络条目 ---------- */
.page-privacy .contact-list {
  display: grid;
  gap: 10px;
  max-width: var(--privacy-body-width);
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-privacy .contact-item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-privacy .contact-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .contact-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 延伸入口 ---------- */
.page-privacy .privacy-links {
  margin-top: var(--privacy-gap);
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-links .eyebrow {
  margin: 0 0 16px;
  color: var(--orange);
}

.page-privacy .privacy-links-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-links-list li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(22, 34, 63, .9);
}

.page-privacy .privacy-links-list a {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  justify-self: start;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .privacy-links-list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-links-list span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.page-privacy .privacy-back {
  margin: 32px 0 0;
}

/* ---------- 平板起 ---------- */
@media (min-width: 700px) {
  .page-privacy .privacy-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-sec-body {
    padding-left: 42px;
  }

  .page-privacy .privacy-links-list li {
    grid-template-columns: minmax(0, 180px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-hero {
    padding-top: calc(var(--header-h) + 52px);
  }

  .page-privacy .privacy-hero .lede {
    font-size: 16.5px;
  }

  .page-privacy .privacy-banner-cap {
    padding: 9px 16px;
    font-size: 11px;
  }

  .page-privacy .privacy-body {
    display: grid;
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: var(--privacy-gap);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    margin-bottom: 0;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
  }

  .page-privacy .toc-list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-privacy .toc-list li {
    flex: 1 1 auto;
  }

  .page-privacy .toc-link {
    padding: 9px 0 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 13px;
    white-space: normal;
  }

  .page-privacy .toc-link:hover,
  .page-privacy .toc-link:focus-visible,
  .page-privacy .toc-link.is-active,
  .page-privacy .toc-link[aria-current="true"],
  .page-privacy .toc-link[aria-current="location"] {
    background: rgba(47, 243, 214, .06);
  }

  .page-privacy .privacy-toc .btn {
    display: inline-flex;
    margin-top: 20px;
  }

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

  .page-privacy .privacy-sec-head {
    padding: 26px 0;
  }

  .page-privacy .privacy-sec-head:hover .privacy-title {
    color: var(--cyan);
  }
}