.page-privacy {
  --privacy-measure: 720px;
  --privacy-grid: rgba(143, 166, 194, 0.13);
  --privacy-panel: rgba(19, 41, 75, 0.62);
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  padding-bottom: calc(var(--step) * 14);
}

.page-privacy::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 460px;
  background-image:
    linear-gradient(90deg, var(--privacy-grid) 1px, transparent 1px),
    linear-gradient(180deg, var(--privacy-grid) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0) 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0) 100%);
  pointer-events: none;
  z-index: -1;
}

.page-privacy .breadcrumb {
  padding-top: calc(var(--step) * 4);
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  padding: calc(var(--step) * 7) 0 calc(var(--step) * 5);
}

.page-privacy .privacy-hero__in {
  display: grid;
  gap: calc(var(--step) * 2);
}

.page-privacy .privacy-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--amber);
}

.page-privacy h1 {
  margin: 0;
  max-width: 700px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  margin: 0;
  max-width: 640px;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.9;
  color: var(--ice);
}

.page-privacy .privacy-hero__marks {
  list-style: none;
  margin: calc(var(--step)) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}

.page-privacy .privacy-hero__marks li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.page-privacy .privacy-hero__mark-num {
  font-size: 19px;
  color: var(--amber);
}

/* ---------- 顶部视觉 ---------- */

.page-privacy .privacy-visual {
  margin: 0 0 calc(var(--step) * 8);
}

.page-privacy .privacy-visual .figure__media {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(140deg, var(--ink-800) 0%, var(--ink-950) 72%);
}

.page-privacy .privacy-visual .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 小节目录 ---------- */

.page-privacy .privacy-toc {
  max-width: 900px;
  margin: 0 auto calc(var(--step) * 9);
  padding: calc(var(--step) * 4);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: 2px;
  background: linear-gradient(150deg, var(--ink-800) 0%, var(--ink-900) 78%);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 calc(var(--step) * 2);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 11px 10px;
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-left-color: var(--amber);
  background: rgba(242, 169, 59, 0.1);
  color: var(--amber);
  outline: none;
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-privacy .privacy-toc__link:hover .privacy-toc__num,
.page-privacy .privacy-toc__link:focus-visible .privacy-toc__num {
  color: var(--amber);
}

.page-privacy .privacy-toc__name {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

/* ---------- 正文分节 ---------- */

.page-privacy .privacy-articles {
  max-width: var(--privacy-measure);
  margin: 0 auto;
  display: grid;
  gap: calc(var(--step) * 8);
}

.page-privacy .privacy-section {
  scroll-margin-top: 120px;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: calc(var(--step) * 3);
  transition: border-color 180ms ease;
}

.page-privacy .privacy-section:target .privacy-section__head {
  border-bottom-color: var(--amber);
}

.page-privacy .privacy-section__num {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-privacy .privacy-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.32;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-privacy .privacy-section__body {
  display: grid;
  gap: calc(var(--step) * 2);
}

.page-privacy .privacy-section__body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.9;
  color: var(--ice);
}

.page-privacy .privacy-section__body a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-section__body a:hover,
.page-privacy .privacy-section__body a:focus-visible {
  color: var(--paper);
}

.page-privacy .privacy-section__body strong {
  color: var(--paper);
  font-weight: 700;
}

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

.page-privacy .privacy-list > li {
  position: relative;
  padding-left: 26px;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ice);
}

.page-privacy .privacy-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 2px;
  background: var(--celadon);
}

.page-privacy .privacy-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: privacy-step;
}

.page-privacy .privacy-steps > li {
  position: relative;
  counter-increment: privacy-step;
  padding-left: 46px;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ice);
}

.page-privacy .privacy-steps > li::before {
  content: counter(privacy-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.16em;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

.page-privacy .privacy-section__body .privacy-note {
  padding: 14px 16px 14px 18px;
  border-left: 2px solid var(--amber);
  background: linear-gradient(90deg, rgba(242, 169, 59, 0.11) 0%, rgba(242, 169, 59, 0) 92%);
  font-size: 16.5px;
  color: var(--paper);
}

/* ---------- 折叠条款 ---------- */

.page-privacy .privacy-fold {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--privacy-panel);
  overflow: hidden;
}

.page-privacy .privacy-fold > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--paper);
  transition: background-color 160ms ease;
}

.page-privacy .privacy-fold > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-fold > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
}

.page-privacy .privacy-fold[open] > summary::after {
  content: "－";
}

.page-privacy .privacy-fold > summary:hover,
.page-privacy .privacy-fold > summary:focus-visible {
  background: rgba(242, 169, 59, 0.09);
  outline: none;
}

.page-privacy .privacy-fold__body {
  padding: 0 18px 18px;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line-faint);
  padding-top: 14px;
}

.page-privacy .privacy-fold__body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ice);
}

/* ---------- 页尾联系 ---------- */

.page-privacy .privacy-foot {
  margin-top: calc(var(--step) * 3);
  padding-top: calc(var(--step) * 4);
  border-top: 1px solid var(--line);
  display: grid;
  gap: calc(var(--step) * 2);
}

.page-privacy .privacy-foot__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-foot__contact {
  display: grid;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-foot__contact a {
  color: var(--amber);
  text-decoration: none;
}

.page-privacy .privacy-foot__contact a:hover,
.page-privacy .privacy-foot__contact a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-foot__actions {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-privacy .privacy-toc {
    padding: calc(var(--step) * 5);
  }

  .page-privacy .privacy-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }

  .page-privacy .privacy-hero {
    padding: calc(var(--step) * 9) 0 calc(var(--step) * 6);
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-articles {
    gap: calc(var(--step) * 9);
  }

  .page-privacy .privacy-foot {
    margin-top: calc(var(--step) * 5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-fold > summary,
  .page-privacy .privacy-section__head {
    transition: none;
  }
}
</PAGE_CSS>